CN2793548Y

CN2793548Y - Pressure-bearing and overheat boiler with steaming hot pipe

Info

Publication number: CN2793548Y
Application number: CNU2005200090659U
Authority: CN
Inventors: 曹安民; 李为
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-03-28
Filing date: 2005-03-28
Publication date: 2006-07-05
Anticipated expiration: 2015-03-28

Abstract

The utility model discloses a pressure-bearing and overheat boiler with a steaming hot pipe, which comprises a combustion zone and a superheated steam generating chamber which are connected by a firework collecting filter disc, wherein the combustion zone is composed of a coal combusting chamber, a combustion chamber and a combusting ash chamber, and a pipe-shaped fire grate is arranged between the coal combusting chamber and the combustion chamber; the superheated steam generating chamber is composed of a boiler shell and a fire pipe, the top end of the boiler shell is provided with a superheated steam output pipe for connecting the equipment which need the steam, one end of the fire pipe is connected with the firework collecting filter disc and the other end is connected with a draught fan by a heat radiation pipeline. Because the utility model is provided with the independent combustion zone and the independent superheated steam generating chamber, cyclone combustion and the heat exchange of a heat pipe is thoroughly utilized. The utility model also has a characteristic that high voltage water takes part in the combustion, and the energy is further saved.

Description

Pressure-bearing superheated steam heat pipe boiler

Technical field

The utility model relates to a kind of steam heat pipe boiler, particularly a kind of pressure-bearing superheated steam heat pipe boiler under the pressure-bearing situation.

Background technology

Existing steam boiler is divided into two kinds in high pressure steam boiler and normal pressure overheat steam boiler.Wherein, the method that high pressure steam boiler obtains the higher temperature superheated steam is the pressure that increases boiler, and this causes the increase of coal consumption, and increase along with pressure, unsafe factor also increases thereupon, and this has not only caused, and boiler involves great expense, the operating cost height, and abnormally dangerous.Another normal pressure overheat steam boiler is by structural innovation, make boiler under normal pressure, obtain hyperthermia and superheating steam by heating once more to steam, solved the disadvantage of conventional high-tension steam boiler operation costliness and poor stability, but because boiler internal does not have pressure, the problem that the superheated steam that causes being produced can't be carried at a distance, and on vapor (steam) temperature also limitation to some extent.

Summary of the invention

The purpose of this utility model provides a kind of have independently combustion zone and superheated steam generation chamber, makes full use of cyclone firing and heat pipe heat exchanging, and utilizes the pressure-bearing superheated steam heat pipe boiler of the burning of water participation at high temperature.

The utility model is achieved in that a kind of pressure-bearing superheated steam heat pipe boiler, comprise combustion zone and superheated steam generation chamber, link to each other by the poly-filter disc of fireworks between described combustion zone and the superheated steam generation chamber, the combustion zone is made up of coal-fired chamber, combustion chamber and burning chamber, between coal-fired chamber and combustion chamber, be provided with tubular fire grate, one end of burning chamber links to each other with the fireworks hole of combustion chamber, and its other end links to each other with the poly-filter disc of fireworks, has a truncated cone-shaped macropore in the middle of the poly-filter disc of fireworks; Described superheated steam generation chamber is made up of furnace shell and fire tube, furnace shell be positioned at the combustion zone directly over, its top is provided with the superheated steam efferent duct and steam is mended into pipe, and the superheated steam efferent duct connects the equipment that needs steam, and steam is mended into pipe and then connected tubular fire grate rear end transverse tube; Fire tube is positioned at furnace shell, and an end of fire tube links to each other with the poly-filter disc of fireworks, and its other end links to each other with air-introduced machine by hot channel.Described fire tube is provided with a plurality of heat pipes, and an end of heat pipe is provided with the heat pipe fin, and the other end of heat pipe inserts fire tube inside, and fixes with fire tube.Described tubular fire grate front end transverse tube links to each other with condensation return pipt, tubular fire grate rear end transverse tube is mended into pipe by steam and is fed furnace shell inside, tube furnace comes in the combustion zone to tilt to place, low and the rear end height of its front end, the excursion of the angle α between tubular fire grate and the horizontal plane is between 0 ° to 45 °.Described heat pipe fin and fire tube axially between the excursion of angle β between 0 ° to 90 °.

The utility model possesses following advantage and good effect:

1, the acting in conjunction by the poly-filter disc of burning chamber and fireworks is returned coal-fired chamber to burn and the fireworks of the common formation of combustion chamber second-time burning institute form cyclone firing for the third time in burning chamber, unburnt combustible is fully burnt, improve the temperature of flame, reduced energy consumption simultaneously; 2, by in coal-fired chamber, the liquid (water or other media) in the tubular fire grate that is provided with special angle being heated, make it in the transverse tube of tubular fire grate rear end, produce steam, and mend the top that enters furnace shell inside into pipe by steam; The steam of being assembled in the furnace shell forms certain pressure, and continues heating by the heat pipe that is arranged on top, forms the superheated steam with higher temperature under the pressure-bearing situation;

When 3, making water as the steam media, the steam by spraying into coal-fired chamber, combustion chamber or burning chamber in the auxiliary combustion pipe at high temperature combines with combustible species in the above-mentioned combustion zone, and effectively participates in burning.

Description of drawings

Above-mentioned purpose of the present utility model and other advantages will become clearer in detailed description in conjunction with the accompanying drawings, wherein,

Fig. 1 represents the structural representation of the utility model pressure-bearing superheated steam heat pipe boiler;

The front view of tubular fire grate in Fig. 2 presentation graphs 1;

The side view of tubular fire grate in Fig. 3 presentation graphs 1;

The cutaway view of heat pipe and fire tube structure in Fig. 4 presentation graphs 1;

The vertical view of heat pipe and fire tube structure in Fig. 5 presentation graphs 1.

Specific embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.

Among the figure: 1, coal-fired chamber; 2, tubular fire grate; 3, combustion chamber; 4, lower fire grating; 5, coal ash chamber; 6, fireworks hole; 7, burning chamber; 8, the poly-filter disc of fireworks; 9, fire tube; 10, heat pipe; 11, furnace shell; 12, condensation return pipt; 13, liquid heat medium; 14, hot channel; 15, superheated steam efferent duct; 16, steam is mended into pipe; 17, auxiliary combustion pipe; 18, tubular fire grate front end transverse tube; 19, tubular fire grate rear end transverse tube; 20, heat pipe fin.Shown in figure one, be provided with tubular fire grate 2 between coal-fired chamber 1 and the combustion chamber 3, be provided with lower fire grating 4 between combustion chamber 3 and the coal ash chamber 5, be provided with fireworks hole 6 between combustion chamber 3 and the burning chamber 7, communicate by the poly-filter disc 8 of fireworks between burning chamber 7 and the fire tube 9, fire tube 9 can be a single tube, it also can be the multitube that is interconnected side by side, arranged heat pipe 10 on the fire tube 9, fire tube 9 links to each other with air-introduced machine by hot channel 14, fire tube 9 is positioned at furnace shell 11, furnace shell 11 communicates with condensing plant by condensation return pipt 12, and furnace shell 11 links to each other with the equipment that uses steam by superheated steam efferent duct 15, and furnace shell 11 is mended into tube and tube shape fire grate 2 by steam and communicated, steam is mended into the auxiliary combustion pipe 17 and coal-fired chamber 1 of pipe 16 by the controllable flow amount, combustion chamber 3 or burning chamber 7 links to each other, and liquid hot coal 13 is full of half capacity of furnace shell 11.Consult figure two and figure three, tubular fire grate 2 is by communicating pipe side by side forming, tubular fire grate front end transverse tube 18 links to each other with condensate return equipment, tubular fire grate rear end transverse tube 19 is mended into pipe by steam and is fed furnace shell inside, the laying method of tubular fire grate 2 in the combustion zone is to tilt to place, angle α between tubular fire grate front end transverse tube 18 low and tubular fire grate rear end transverse tube 19 height, itself and horizontal plane can not change between 0 ° (not containing) to 45 ° (containing) according to specific requirement.The modes of emplacement of heat pipe 10 in fire tube 9 be, heat pipe 10 1 ends insert in the fire tube 9 fixing, and the other end stretches out in fire tube 9 outsides, and heat pipe fin 20 is installed on the heat pipe 10, and the axial angle β of heat pipe fin 20 and fire tube 9 is between 0 ° (containing) to 90 ° (containing).

The utility model in use, under the air-introduced machine effect, flame enters the combustion chamber from coal-fired chamber, arrive burning chamber by the fireworks hole, under the acting in conjunction of poly-filter disc of fireworks and burning chamber, the thermal current that strong cyclone firing forms the high temperature cleaning enters fire tube, heat pipe by lower floor's fire tube conducts heat to liquid heat medium makes it to evaporate rapidly steam, meanwhile, liquid heat medium in the tubular fire grate also evaporates steam under the situation of flame heat again, and mend the top that enters furnace shell into pipe by steam, conduct heat to by the heat pipe on the fire tube of upper strata again and make its formation superheated steam that further heats up in the steam, when superheated steam constantly increases, when reaching necessary requirement, pressure enters in the equipment that uses steam.If liquid heat medium is under the situation of water, steam is mended pipe will spray into participation burning in coal-fired chamber, combustion chamber or the burning chamber with steam or hot water by the auxiliary combustion pipe.

Claims

1, a kind of pressure-bearing superheated steam heat pipe boiler, comprise combustion zone and superheated steam generation chamber, it is characterized in that, link to each other by the poly-filter disc of fireworks between described combustion zone and the superheated steam generation chamber, the combustion zone is made up of coal-fired chamber, combustion chamber and burning chamber, is provided with tubular fire grate between coal-fired chamber and combustion chamber, and an end of burning chamber links to each other with the fireworks hole of combustion chamber, its other end links to each other with the poly-filter disc of fireworks, has a truncated cone-shaped macropore in the middle of the poly-filter disc of fireworks; Described superheated steam generation chamber is made up of furnace shell and fire tube, furnace shell be positioned at the combustion zone directly over, its top is provided with the superheated steam efferent duct and steam is mended into pipe, and the superheated steam efferent duct connects the equipment that needs steam, and steam is mended into pipe and then connected tubular fire grate rear end transverse tube; Fire tube is positioned at furnace shell, and an end of fire tube links to each other with the poly-filter disc of fireworks, and its other end links to each other with air-introduced machine by hot channel.

2, pressure-bearing superheated steam heat pipe boiler according to claim 1 is characterized in that described fire tube is provided with a plurality of heat pipes, and an end of heat pipe is provided with the heat pipe fin, and the other end of heat pipe inserts fire tube inside, and fixes with fire tube.

3, pressure-bearing superheated steam heat pipe boiler according to claim 1, it is characterized in that, described tubular fire grate front end transverse tube links to each other with condensation return pipt, tubular fire grate rear end transverse tube is mended into pipe by steam and is fed furnace shell inside, tube furnace comes in the combustion zone to tilt to place, low and the rear end height of its front end, the excursion of the angle α between tubular fire grate and the horizontal plane is between 0 ° to 45 °.

4, pressure-bearing superheated steam heat pipe boiler according to claim 2 is characterized in that, described heat pipe fin and fire tube axially between the excursion of angle β between 0 ° to 90 °.