WO2017214759A1 - Substance thermal separation device for fuel gas, fuel oil and fused salt integrated boiler - Google Patents

Abstract

A substance thermal separation device for a fuel gas, fuel oil and fused salt integrated boiler mainly consists of an expansion tank (1-1), a fused salt tank (1-2, 1-3), a fused salt duct (1-4, 1-5), a thermal insulation layer (1-6), a combustion chamber (2-1), an air preheating recoverer (2-5), a waste heat recycling water tank (3-1), a combustor (2-3),a high-pressure plunger pump (3-3), a steam pipe coil (3-4-5-6-7-8-9), a steam header (3-11), a steam generator main body (4-1), a high-pressure spraying device (4-2, 4-3), a solid substance conveyor (5-2), a liquid substance conveyor (5-3), a substance thermal separation pipe coil (5-4), and a cooling tower (8-1).

Description

Gas fuel molten salt integrated boiler thermal separation material device Technical field

The invention relates to a boiler, a steam generator and a thermal separation device. Specifically, it is a device for thermally separating substances from a gas fuel molten salt integrated boiler.

Background technique

The whole world has been studying how to improve the thermal efficiency of boilers to save natural resources. Generally, research on the materials and fuel entering methods is carried out, and then subcritical, supercritical and ultra-supercritical are gradually produced. The boiler, but did not break through the basic structure of the boiler and the way of steam water supply, is still in the state of steaming mode of boiled bubbles, and fuel combustion, ignition, waste heat recovery is not ideal, and the disposal of emissions is huge. , poor results, etc.

The traditional concentrated drying equipment has a complicated process, a cumbersome machine, high investment cost and high energy consumption. It seriously restricts the development of industrial crystals such as food, seawater desalination, pharmaceutical, sugar, paper, alcohol, chemical, garbage, sewage, minerals and other industrial crystals in the fields of concentration, extraction, decomposition and drying.

Summary of the invention:

The present invention provides a device for thermally separating a gas-fired molten salt integrated boiler in order to overcome the deficiencies of the prior art.

The invention uses a molten salt as a heat transfer medium to transfer heat to the sprayed water mist to control the temperature of the steam, and the increase and decrease of the steam temperature and the molten salt temperature are not necessarily related to the vapor pressure.

The invention solves the backward water supply mode of the traditional boiler in the last hundred years, the backward steam production mode, and the heat carrier furnace straight The heating and heating medium pipeline, the thermal energy loss of the heat conduction medium is large, the amount of the heat conduction medium is large, the waste heat recovery is incomplete, the steam quality is poor, the boiler equipment is bulky, and the consumables are wasted.

The technical solution of the present invention to solve the above technical problem is:

The gas fuel molten salt integrated boiler thermal separation material device comprises an expansion tank, a first molten salt tank, a second molten salt tank, a first molten salt conduit, a second molten salt conduit, an insulation layer, a combustion chamber, a smoke chamber, Burner, first flue gas duct, air preheating recoverer, hot air duct, second flue gas duct, chimney, gas fuel inlet pipe, waste heat recovery water tank, water supply pipe, high pressure piston pump, steam coil, steam coil Import, steam coil outlet, steam pipe, sub-cylinder, make-up pipe, steam generator body, first high-pressure spray device, second high-pressure spray device, material heat separation coil inlet pipe, solid material conveyor, liquid material Conveyor, material heat separation coil, material heat separation coil outlet tube, liquid material separation tower, solid material collection tank, baffle, spoiler, liquid material collection tank, first cooling water layer, solid material separation chamber The separator, the solid waste collection tank, the second cooling water layer, the cooling tower and the circulating water pump are composed.

1. The structure of each component is as follows:

1) The expansion tank is an empty tank body containing a molten salt after expansion.

2) The first molten salt tank is a cylinder body, the cylinder body has a groove therein, the tank is filled with molten salt; and the barrel is provided with a material heat separation coil.

3) The second molten salt tank is a circular cylinder body having a groove in the wall of the annular cylinder, the molten salt is arranged in the groove, and a plurality of first molten salt conduits with elbows are arranged on the wall of the annular cylinder, surrounding Arranged in the ring, a plurality of second molten salt conduits are arranged outside the ring; a steam coil is arranged in the cylinder body.

4) The steam coil is a spiral tube which is formed by spiraling six tubes.

5) The burner is provided with a gas fuel inlet pipe, a blast port, and an air inlet.

6) The cylinder is a cylinder with a steam inlet and a steam outlet.

7) The main body of the steam generator is a cylindrical body, and a first high pressure spraying device and a second high pressure are disposed therein. Spray device.

8) The air preheating recovery device is a tube heat exchanger, and is provided with an air inlet, a hot air outlet, a smoke inlet and a smoke outlet, wherein the tube is smoked, and the outside of the tube is hot air.

9) The waste heat recovery water tank 3-1 is a tube heat exchanger, and is provided with a water supply pipe, a water outlet, a smoke inlet, and a smoke outlet, and the outside of the column is cooling water, and the inside of the column is smoke.

10) The material thermal separation coil, which is a spiral tube, is hovered in a cylinder of the first molten salt bath.

11) The liquid material separation tower, the outer layer is provided with a first cooling water layer, and the inner part is a multi-layer tray structure, each of which is provided with a baffle and a baffle plate, and each layer of the baffle outlet is provided A liquid collection tank is provided with a solids collection tank at the bottom of the tower.

12) The solid material separation chamber is a horizontally-shaped cylindrical body, and the outer layer is provided with a second cooling water layer, which is divided into several spaces by a plurality of partitions, and each space has a pipe leading to the solid separation. Collect cans.

2. The connection of each component is as follows:

1) The first molten salt tank, the second molten salt tank, the first molten salt conduit, the second molten salt conduit, the combustion chamber, the flue gas chamber, the first flue gas pipeline, the steam coil, the steam Generator body, material heat separation coil.

2) The expansion tank communicates with the first molten salt tank through a pipe.

3) There is a material heat separation coil in the first molten salt bath.

4) The inner wall of the second molten salt tank is provided with a plurality of first molten salt conduits with elbows, the two ends of which are respectively inserted into the second molten salt tank and the first molten salt tank; the outer ring of the second molten salt tank is externally mounted There is a second molten salt conduit, and its two ends are respectively inserted into the second molten salt bath and the first molten salt bath.

5) The flue gas chamber is connected to the air inlet of the air preheating recovery device through the first flue gas duct, and the hot flue gas is introduced into the tube to exchange heat with the air outside the column tube, and the hot air outside the tube tube flows in from the hot air outlet. Burner The air inlet.

6) The smoke outlet of the air preheating recovery device is connected to the smoke inlet of the waste heat recovery water tank through the second flue gas duct.

7) The smoke outlet of the waste heat recovery water tank is connected with the chimney, and the cooling water outside the column tube is supplied by the supplementary water pipe, and after the cooling water is exchanged with the hot flue gas in the column pipe, the hot water is connected from the water outlet to the water supply pipe inlet. The water supply outlet is connected to the inlet of the high pressure piston pump, and the high pressure piston pump is respectively connected with the first high pressure spray device and the second high pressure spray device in the main body of the steam generator.

8) The burner port of the burner is inserted into the combustion chamber, and the air inlet is connected to the air outlet of the air preheating collector through the hot air duct.

9) The inlet of the steam coil is connected to the main body of the steam generator and then spiraled into the second molten salt tank, and the outlets are connected in parallel and connected to the inlet of the divided cylinder through the steam pipeline.

10) The material heat separation coil inlet pipe is respectively connected with the cylinder outlet, the solid material conveyor outlet, and the liquid material conveyor outlet, and the material heat separation coil is hovered in the first molten salt tank, and the material heat separation coil outlet The tubes are respectively connected to the inlet of the solid material separation column and the inlet of the liquid material separation chamber through valves.

11) The outlet of the first cooling water layer of the solid material separation column is connected to the inlet of the cooling tower through a pipeline, the outlet of the cooling tower is connected with the inlet of the circulating water pump, and the outlet of the circulating water pump passes through the inlet of the valve and the first cooling water layer connection.

12) The outlet of the second cooling water layer of the liquid material separation chamber is connected to the inlet of the cooling tower through a pipeline, the outlet of the cooling tower is connected to the inlet of the circulating water pump, and the outlet of the circulating water pump passes through the inlet of the valve and the second cooling water layer. connection.

The steam generator body is provided with a first high pressure spray device and a second high pressure spray device.

The steam generator body is disposed in the first molten salt bath.

The beneficial effects of the invention:

1. The invention adopts a high-pressure spray device to generate spray mist water supply, expand heat exchange area, and improve thermal efficiency;

2. The high-pressure spray device of the invention generates steam mist into the steam coil and exchanges heat with the high-temperature molten salt outside the steam coil, so that the steam mist in the steam coil generates steam explosion and rapid expansion, and directly generates superheated steam, and the steam temperature varies with the molten salt temperature. adjustable.

3. The molten salt creates a temperature difference in the first molten salt bath and the second molten salt bath for automatic convection, and no flash point increases safety.

4. The high temperature steam and the solid material/liquid material of the cylinder are reheated and collided with each other in the material decomposition coil, so that the water in the solid material is vaporized, the solid material is puffed and dried, and the water in the liquid material is vaporized. The liquid material enters the cyclone separation tower and is separated by specific gravity, and its action speed is fast and the thermal efficiency is high.

5. The high-pressure spray device of the invention has no scale, which increases the service life of the device and reduces the heat loss.

6. The high pressure spray device of the invention has no boiler waste water, saves a lot of water resources and reduces heat loss.

7. The waste heat recovery and utilization of the high pressure spray device of the present invention is complete.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing the structure of a device for thermally separating a gas-fired molten salt integrated boiler of the present invention.

In the figure: expansion tank 1-1, first molten salt tank 1-2, second molten salt tank 1-3, first molten salt conduit 1-4, second molten salt conduit 1-5, insulation layer 1-6 , combustion chamber 2-1, flue gas chamber 2-2, burner 2-3, first flue gas duct 2-4, air preheat recovery unit 2-5, hot air duct 2-6, second flue gas duct 2 -7, chimney 2-8, gas fuel inlet pipe 2-9, waste heat recovery water tank 3-1, water supply pipe 3-2, high pressure piston pump 3-3, steam coil 3-4-5-6-7- 8-9, the inlet of the steam coil 3-4-5-6-7-8-9-1, the steam coil Port 3-4-5-6-7-8-9-2, steam pipe 3-10, sub-cylinder 3-11, water supply pipe 3-12, steam generator main body 4-1, first high-pressure spray device 4- 2. Second high pressure spray device 4-3, material heat separation coil inlet pipe 5-1, solid material conveyor 5-2, liquid material conveyor 5-3, material heat separation coil 5-4, material thermal separation Coil outlet pipe 5-5, liquid material separation column 6-1, solid matter collection tank 6-2, baffle 6-3, spoiler 6-4, liquid material collection tank 6-5, first cooling water Layer 6-6, solid material separation chamber 7-1, partition 7-2, solid separation collection tank 7-3, second cooling water layer 7-4, cooling tower 8-1, circulating water pump 8-2.

2 is a schematic view showing the structure of a steam coil inside the second salt tank in the apparatus for integrating the hot fuel separation material of the gas fuel molten salt of the present invention.

In the figure: first molten salt tank 1-2, second molten salt tank 1-3, first molten salt conduit 1-4, second molten salt conduit 1-5, steam coil 3-4-5-6- 7-8-9, steam coil inlet 3-4-5-6-7-8-9-1, steam coil outlet 3-4-5-6-7-8-9-2, steam generator body 4-1.

3 is a schematic view showing the structure of the first salt bath internal material decomposition coil in the apparatus for integrating the hot fuel separation material of the gas fuel molten salt of the present invention.

In the figure: the first molten salt tank 1-2, the second molten salt tank 1-3, the first molten salt conduit 1-4, the second molten salt conduit 1-5, the material thermal separation coil inlet tube 5-1, The material heat separation coil 5-4, the heat separation coil outlet tube 5-5, and the steam generator body 4-1.

Fig. 4 is a plan view showing the structure of a molten salt tank in the apparatus for thermally separating substances of the gas fuel molten salt integrated boiler of the present invention.

In the figure: the first molten salt tank 1-2, the second molten salt tank 1-3, the first molten salt conduit 1-4, the second molten salt conduit 1-5, the combustion chamber 2-1, the flue gas chamber 2 2. Steam coil inlet 3-4-5-6-7-8-9-1.

Figure 5 is a schematic view showing the structure of a steam generator in the apparatus for thermally separating substances of the gas fuel molten salt integrated boiler of the present invention.

In the figure: water supply pipe 3-2, steam coil inlet 3-4-5-6-7-8-9-1, steam generator body 4-1, first high pressure spray device 4-2, second high pressure spray Device 4-3.

detailed description

The device for thermally separating substances of the gas fuel molten salt integrated boiler can directly produce superheated steam, and can be high pressure high temperature, high pressure low temperature, low pressure high temperature, high pressure low temperature; using steam decomposition separation technology to treat the substance; the system can be instantly turned on and off ; two-way waste heat recovery of smoke and water. The invention completely changes the structure of the traditional boiler, saves the construction cost and improves the thermal efficiency; the molten salt of the tank body makes the heat transfer of the equipment evenly prolongs the service life and improves the steam quality; the mist spray water supply improves the heat efficiency; the gas explosion expands Gas accelerates steam generation and improves safety.

The present invention is further described below in conjunction with the drawings and specific implementations:

The device structure of the hot fuel separation material of the gas fuel molten salt integrated boiler of the present invention is as shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, and the device for thermally separating the substance of the gas fuel molten salt integrated boiler is composed of the expansion tank 1- 1. The first molten salt tank 1-2, the second molten salt tank 1-3, the first molten salt conduit 1-4, the second molten salt conduit 1-5, the insulating layer 1-6, the combustion chamber 2-1, Flue gas chamber 2-2, burner 2-3, first flue gas duct 2-4, air preheating recoverer 2-5, hot air duct 2-6, second flue gas duct 2-7, chimney 2-8 , gas fuel inlet pipe 2-9, waste heat recovery water tank 3-1, water supply pipe 3-2, high pressure piston pump 3-3, steam coil 3-4-5-6-7-8-9, steam coil Import 3-4-5-6-7-8-9-1, steam coil outlet 3-4-5-6-7-8-9-2, steam pipeline 3-10, sub-cylinder 3-11 , water supply pipe 3-12, steam generator body 4-1, first high pressure spray device 4-2, second high pressure spray device 4-3, material heat separation coil inlet pipe 5-1, solid material conveyor 5- 2. Liquid material conveyor 5-3, material heat separation coil 5-4, material heat separation coil outlet tube 5-5, liquid material separation tower 6-1, solid matter collection tank 6-2, and deflector 6 -3, resistance Board 6-4, Liquid material collection tank 6-5, first cooling water layer 6-6, solid material separation chamber 7-1, partition 7-2, solid separation collection tank 7-3, second cooling water layer 7-4, cooling Tower 8-1 and circulating water pump 8-2 are formed.

1. The structure of each component is as follows:

1) The expansion tank 1-1 is an empty tank body containing a molten salt after expansion.

2) The first molten salt tank 1-2 is a cylinder body having a groove in the wall of the cylinder, the molten salt is contained in the tank; and the material heat separation coil 5-4 is disposed in the cylinder body.

3) The second molten salt tank 1-3 is a circular cylinder body having a groove in the wall of the annular cylinder, the molten salt is contained in the groove, and a plurality of first molten salt conduits with elbows are arranged on the wall of the annular cylinder 1-4, arranged around the ring, a plurality of second molten salt conduits 1-5 are arranged outside the ring; a steam coil 3-4-5-6-7-8-9 is arranged in the cylinder body.

4) The steam coil 3-4-5-6-7-8-9 is a spiral pipe, which is formed by spiraling six pipes.

5) The burner 2-3 is provided with a gas fuel inlet pipe 2-9 and a blast port and an air inlet.

6) The sub-cylinders 3-11 are cylindrical bodies provided with a steam inlet and a steam outlet.

7) The steam generator body 4-1 is a cylindrical body, which is provided with a first high pressure spray device 4-2 and a second high pressure spray device 4-3;

8) The air preheating recovery device 2-5 is a tube heat exchanger, and is provided with an air inlet, a hot air outlet, a smoke inlet, and a smoke outlet. The inside of the tube is smoke, and the outside of the tube is hot air.

9) The waste heat recovery water tank 3-1 is a tube heat exchanger, and is provided with a water supply pipe 3-12, a water outlet, a smoke inlet, and a smoke outlet, and the outside of the column is cooling water, and the inside of the column is smoke.

10) The substance thermal separation coil 5-4 is a spiral tube which is hovered in the cylinder of the first molten salt tank 1-2.

11) The liquid material separation tower 6-1, the outer layer is provided with a first cooling water layer 6-6, the interior is a multi-layer tray structure, and each layer tray is provided with a baffle 6-3 and a spoiler 6-4, a liquid material collecting tank 6-5 is provided at the outlet of each of the baffles 6-3, and a solid matter collecting tank 6-2 is provided at the bottom of the tower.

12) The solid material separation chamber 7-1 is a horizontally-shaped cylindrical body, and the outer layer is provided with a second cooling water layer 7-4, and the interior is divided into a plurality of spaces by a plurality of partitions 7-2, each space There is a conduit leading to the solids separation collection tank 7-3.

2. The connection of each component is as follows:

1) The first molten salt tank 1-2, the second molten salt tank 1-3, the first molten salt conduit 1-4, the second molten salt conduit 1-5, and the combustion chamber 2 are contained in the insulating layer 1-6. -1, flue gas chamber 2-2, first flue gas duct 2-4, steam coil 3-4-5-6-7-8-9, steam generator main body 4-1, material heat separation coil 5 -4.

2) The expansion tank 1-1 is in communication with the first molten salt tank 1-2 through a pipe.

3) There is a material heat separation coil 5-4 in the first molten salt tank 1-2.

4) The inner wall of the second molten salt tank 1-3 is provided with a plurality of first molten salt conduits 1-4 with elbows, and two ends thereof are respectively inserted into the second molten salt tanks 1-3 and the first molten salt tanks 1 The inside of the second molten salt tank 1-3 is provided with a second molten salt conduit 1-5, and its two ends are respectively inserted into the second molten salt bath 1-3 and the first molten salt tank 1-2.

5) The flue gas chamber 2-2 is connected to the air inlet of the air preheating recovery device 2-5 through the first flue gas duct 2-4, and the hot flue gas is introduced into the tube to exchange heat with the air outside the column tube. The hot air outside the tube flows from the hot air outlet into the air inlet of the burner 2-3.

6) The smoke outlet of the air preheating recovery unit 2-5 is connected to the smoke inlet of the waste heat recovery water tank 3-1 through the second flue gas duct 2-7.

7) The outlet of the waste heat recovery water tank 3-1 is connected to the chimney 2-8, and the cooling water outside the column is supplied by the water supply pipe 3-12, and the cooling water is exchanged with the hot flue gas in the column tube, and the heat is exchanged. The water is connected from the water outlet to the inlet of the water supply pipe 3-2, the outlet of the water supply pipe 3-2 is connected to the inlet of the high pressure piston pump 3-3, and the high pressure piston pump 3-3 is respectively connected with the first inside the steam generator main body 4-1. The high pressure spray device 4-2 is connected to the second high pressure spray device 4-3.

8) The blast port of the burner 2-3 is inserted into the combustion chamber 2-1, and the air inlet thereof passes through the hot air pipe 2-6 is connected to the air outlet of the air preheating recovery unit 2-5.

9) The inlet of the steam coil 3-4-5-6-7-8-9-1 is connected with the steam generator main body 4-1 and then spiraled into the second molten salt tank 1-3, and its outlet 3- After 4-5-6-7-8-9-2 is connected in parallel, it is connected to the inlets of sub-cylinders 3-11 through steam pipes 3-10.

10) The material heat separation coil inlet pipe 5-1 is respectively connected to the outlet of the sub-cylinder 3-11, the outlet of the solid material conveyor 5-2, the outlet of the liquid material conveyor 5-3, and the material thermal separation coil 5-4 Circulated in the first molten salt tank 1-2, the material heat separation coil outlet pipe 5-5 is connected to the inlet of the solid material separation column 6-1 and the inlet of the liquid material separation chamber 7-1 through a valve, respectively.

11) The outlet of the first cooling water layer 6-6 of the solid material separation column 6-1 is connected to the inlet of the cooling tower 8-1 through a pipe, and the outlet of the cooling tower 8-1 is connected to the inlet of the circulating water pump 8-2. The outlet of the circulating water pump 8-2 is connected to the inlet of the first cooling water layer 6-6 through a valve.

12) The outlet of the second cooling water layer 7-4 of the liquid material separation chamber 7-1 is connected to the inlet of the cooling tower 8-1 through a pipe, and the outlet of the cooling tower 8-1 is connected to the inlet of the circulating water pump 8-2. The outlet of the circulating water pump 8-2 is connected to the inlet of the second cooling water layer 7-4 through a valve.

The steam generator main body 4-1 is provided with a first high pressure spray device 4-2 and a second high pressure spray device 4-3.

The steam generator main body 4-1 described above is disposed in the first molten salt bath 1-2.

When implementing the invention:

The molten salt is heated to be melted and injected into the expansion tank 1-1, the molten salt is introduced into the first molten salt tank 1-2 through the pipeline, and then passed through the first molten salt conduit 1-4 and the second molten salt conduit 1-5 to enter the second In the molten salt tank 1-3, the molten salt is heated to a set working temperature using a burner 2-3, and the heated molten salt is caused by a temperature difference between the first molten salt tank 1-2 and the second molten salt conduit 1-5. Passing through the first molten salt conduit 1-4 and the second molten salt conduit 1-5 at the first The molten salt tank 1-2 and the second molten salt tank 1-3 are convectively circulated; the gas fuel of the burner 2-3 is burned in the combustion chamber 2-1, and the generated flue gas enters the flue gas chamber 2-2. The heat is exchanged from the first flue gas duct 2-4 into the air preheating recovery unit 2-5 and the air outside the column tube, and part of the heat of the flue gas heats the air outside the tube, and the hot air passes through the hot air duct 2-6. It is sent to the air inlet of the burner 2-3, and the hot air sent out has residual heat recovery and combustion-supporting effect on the combustion chamber.

The flue gas at the outlet of the air preheating recovery unit 2-5 enters the waste heat recovery water tank 3-1 through the second flue gas duct 2-7, and is exhausted by the chimney 2-8 after heat exchange with the cold water outside the column tube in the column tube. After the residual heat of the gas is absorbed by the cold water flowing into the water supply pipe 3-12 outside the pipe, the hot water enters the high pressure piston pump 3-3 through the water supply pipe 3-2.

When the molten salt reaches the set working temperature, the high pressure plunger pump 3-3 is turned on, and the hot water is sent to the first high pressure spray device 4-2 and the second high pressure spray device 4 in the steam generator main body 4-1. In -3, the water is atomized by the high pressure spray device and then enters the steam coil 3-4-5-6-8-9. The steam coil 3-4-5-6-8-9 is at the high temperature of the second molten salt. In tanks 1-3, the water mist is heated in the coil to generate saturated steam at a very high speed, the saturated steam continues to be heated and converted into superheated steam, and finally enters the sub-cylinders 3-11 through the steam pipes 3-10; the superheated steam will need to be separated. The material is carried from the solid material conveyor 5-2 or the liquid material conveyor 5-3 to the inlet 5-1 of the material decomposition coil and enters the material separation coil 5-4, in which the steam is thermally separated from the material. reaction.

Finally, the solid material separation or liquid material separation is selected to enter the liquid material separation column 6-1 or the solid material separation chamber 7-1 for material separation.

1. When the liquid material is separated: the cylinder outlet steam and the liquid material of the liquid material conveyor 5-3 are together from the material heat separation coil inlet pipe 5-1 into the material heat separation coil 5-4, through the first molten salt. After the molten salt is heated in the tank 1-2 to generate the liquid material, the liquid material is separated from the bottom of the liquid material separation tower 6-1 through the valve from the material heat separation coil outlet pipe 5-5 into the liquid material separation tower 6-1, and is in the tower. Bottom up Each layer of the baffle 6-3 exits the liquid collection tank 6-5 to collect liquids of different condensation temperatures, and the solid matter in the liquid material which cannot be thermally separated is collected in the bottom solid collection tank.

2. When solid material separation is selected: the sub-cylinder outlet steam and the solid material of the solid material feeder 5-2 are together with the material heat separation coil inlet pipe 5-1 into the material heat separation coil 5-4, through the first molten salt. After the molten salt is heated in the tank 1-2 to generate a solid material, after the thermal separation, the material is separated from the solid material separation chamber into the solid material separation chamber 7-1 through the material heat separation coil outlet tube 5-5 through the valve, and the cone is small in the separation chamber. Each of the partitions 7-2 of the head-to-cone heads is solid in a solids separation collection tank 7-3 where different condensation temperatures are collected.

The first cooling water layer 6-6 of the liquid material separation column 6-1 and the second cooling water layer 7-4 of the solid material separation chamber 7-1 pass through the pipe and the second circulating water pump 8-2 and the cooling tower 8-1. Perform a cooling cycle.

Claims (3)

The device for thermally separating substances of a gas fuel molten salt integrated boiler is characterized in that: an expansion tank (1-1), a first molten salt tank (1-2), a second molten salt tank (1-3), and a first Molten salt conduit (1-4), second molten salt conduit (1-5), insulation layer (1-6), combustion chamber (2-1), flue gas chamber (2-2), burner (2- 3), the first flue gas pipeline (2-4), the air preheating recoverer (2-5), the hot air duct (2-6), the second flue gas duct (2-7), the chimney (2-8) , gas fuel inlet pipe (2-9), waste heat recovery water tank (3-1), water supply pipe (3-2), high pressure piston pump (3-3), steam coil (3-4-5-6- 7-8-9), the inlet of the steam coil (3-4-5-6-7-8-9-1), the outlet of the steam coil (3-4-5-6-7-8-9- 2), steam pipe (3-10), sub-cylinder (3-11), water supply pipe (3-12), steam generator main body (4-1), first high-pressure spray device (4-2), second High pressure spray device (4-3), material heat separation coil inlet pipe (5-1), solid material conveyor (5-2), liquid material conveyor (5-3), material heat separation coil (5- 4), material thermal separation coil outlet pipe (5-5), liquid material separation tower (6-1), solid matter collection tank (6-2), deflector (6-3), spoiler (6 -4), liquid material collection Tank (6-5), first cooling water layer (6-6), solid material separation chamber (7-1), partition (7-2), solid separation collection tank (7-3), second The cooling water layer (7-4), the cooling tower (8-1) and the circulating water pump (8-2) are composed of: 1) The structure of each component is as follows: 1.1) The expansion tank (1-1) is an empty tank body containing a molten salt after expansion; 1.2) the first molten salt tank (1-2) is a cylinder body, the cylinder body has a groove therein, the tank is filled with molten salt; the cylinder body is provided with a material heat separation coil (5-4); 1.3) The second molten salt tank (1-3) is a circular cylinder body having a groove in the wall of the annular cylinder, the molten salt is contained in the groove, and the first melting of the elbow is provided on the wall of the circular cylinder body. The salt conduits (1-4) are arranged around the ring, and a plurality of second molten salt conduits (1-5) are arranged outside the ring; steam coils are arranged in the cylinder body (3-4-5-6-7-8- 9); 1.4) The steam coil (3-4-5-6-7-8-9) is a spiral pipe, which is formed by spiraling six pipes; 1.5) The burner (2-3) is provided with a gas fuel inlet pipe (2-9), a blast port, and an air inlet; 1.6) the sub-cylinder (3-11) is a cylindrical body, and is provided with a steam inlet and a steam outlet; 1.7) the steam generator body (4-1) is a cylindrical body, which is provided with a first high pressure spray device (4-2) and a second high pressure spray device (4-3); 1.8) The air preheating recovery device (2-5) is a tube heat exchanger, and is provided with an air inlet, a hot air outlet, a smoke inlet and a smoke outlet, wherein the tube is smoked, and the outside of the tube is hot air; 1.9) The waste heat recovery water tank (3-1) is a heat exchanger of a tube, which is provided with a water supply pipe (3-12), a water outlet, a smoke inlet and a smoke outlet, and the outside of the column is cooling water, and the inside of the column is Smoke 1.10) the material thermal separation coil (5-4), which is a spiral pipe, hovering in a cylinder of the first molten salt tank (1-2); 1.11) The liquid material separation tower (6-1), the outer layer is provided with a first cooling water layer (6-6), the inside is a multi-layer tray structure, and each layer tray is provided with a baffle (6- 3), a baffle plate (6-4), a liquid material collecting tank (6-5) is arranged at the outlet of each layer baffle (6-3), and a solid matter collecting tank (6-2) is arranged at the bottom of the tower; 1.12) The solid material separation chamber (7-1) is a horizontally-shaped cylindrical body, and the outer layer is provided with a second cooling water layer (7-4), and the inside is divided into several by a plurality of partitions (7-2). Space, each space has a pipe leading to the solid separation collection tank (7-3); 2) The connection of each component is as follows: 2.1) The first molten salt tank (1-2), the second molten salt tank (1-3), the first molten salt conduit (1-4), and the second molten salt are contained in the heat insulating layer (1-6). Catheter (1-5), combustion chamber (2-1), flue gas chamber (2-2), steam coil (3-4-5-6-7-8-9), steam generator body (4- 1), material thermal separation coil (5-4); 2.2) the expansion tank (1-1) is connected to the first molten salt tank (1-2) through a pipe; 2.3) the first molten salt tank (1-2) has a material thermal separation coil (5-4); 2.4) The inner wall of the second molten salt tank (1-3) is provided with a plurality of first molten salt conduits (1-4) with elbows, and two ends thereof are respectively inserted into the second molten salt tanks (1-3) and The first molten salt tank (1-2) is provided; the second molten salt tank (1-3) is provided with a second molten salt conduit (1-5) outside the ring, and its two ends are respectively inserted into the second molten salt tank (1) -3) and the first molten salt tank (1-2); 2.5) The flue gas chamber (2-2) is connected to the inlet of the air preheating collector (2-5) through the first flue gas duct (2-4), and the hot flue gas is introduced into the tube and outside the tube. Air heat exchange, the hot air outside the tube flows from the hot air outlet into the air inlet of the burner (2-3); 2.6) the outlet of the air preheating recovery device (2-5) is connected to the inlet of the waste heat recovery water tank (3-1) through the second flue gas duct (2-7); 2.7) The outlet of the waste heat recovery water tank (3-1) is connected to the chimney (2-8), and the cooling water outside the column is supplied by the water supply pipe (3-12), and the cooling water and the hot smoke in the column tube After the gas heat exchange, the hot water is connected from the water outlet to the inlet of the water supply pipe (3-2), the outlet of the water supply pipe (3-2) is connected to the inlet of the high pressure piston pump (3-3), and the high pressure piston pump (3-3) ) respectively connected to the first high pressure spray device (4-2) and the second high pressure spray device (4-3) in the steam generator body (4-1); 2.8) The burner port of the burner (2-3) is inserted into the combustion chamber (2-1), and the air inlet is connected to the air outlet of the air preheating collector (2-5) through the hot air duct (2-6). ; 2.9) The inlet of the steam coil (3-4-5-6-7-8-9-1) is connected to the steam generator body (4-1) and then spiraled into the second molten salt tank (1-3) Inside, the outlets (3-4-5-6-7-8-9-2) are connected in parallel and connected to the inlets of the sub-cylinders (3-11) through steam pipes (3-10); 2.10) The material heat separation coil inlet pipe (5-1) is connected to the outlet of the sub-cylinder (3-11), the outlet of the solid material conveyor (5-2), and the outlet of the liquid material conveyor (5-3), respectively. The material thermal separation coil (5-4) is hovered in the first molten salt tank (1-2), and the material thermal separation coil outlet pipe (5-5) is respectively passed through the valve and the solid material separation tower (6-1) Import of imported and liquid material separation chambers (7-1) connection; 2.11) The outlet of the first cooling water layer (6-6) of the solid material separation column (6-1) is connected to the inlet of the cooling tower (8-1) through a pipe, and the outlet of the cooling tower (8-1) is The inlet of the circulating water pump (8-2) is connected, and the outlet of the circulating water pump (8-2) is connected to the inlet of the first cooling water layer (6-6) through a valve; 2.12) The outlet of the second cooling water layer (7-4) of the liquid material separation chamber (7-1) is connected to the inlet of the cooling tower (8-1) through a pipe, and the outlet of the cooling tower (8-1) is The inlet of the circulating water pump (8-2) is connected, and the outlet of the circulating water pump (8-2) is connected to the inlet of the second cooling water layer (7-4) through a valve. The apparatus for thermally separating substances in a gas fuel molten salt integrated boiler according to claim 1, wherein said steam generator body (4-1) is provided with a first high pressure spraying device (4-2) and a second High pressure spray device (4-3). The apparatus for thermally separating a substance in a gas fuel molten salt integrated boiler according to claim 1, wherein the steam generator body (4-1) is disposed in the first molten salt tank (1-2).

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