CN116553665A - An adjustable atomization evaporation tower - Google Patents

Abstract

The invention discloses an adjustable atomization evaporation tower. A hot air distributor is arranged on the top of the atomization evaporation tower. The hot air distributor has a hot air inlet and a hot air outlet. The hot air outlet includes at least The circumferential hot air outlet at the position, multiple sets of rotatable air deflectors are arranged inside the circumferential hot air outlet, and the air deflectors are connected with a driving mechanism for driving the air deflectors to rotate. The advantage of the invention is that the hot air flow field in the evaporation tower can be adjusted, thereby facilitating the dynamic adjustment of the hot air flow field according to the composition of high-salt wastewater, and improving the effect of evaporation and desalination under complicated working conditions.

Description

An adjustable atomization evaporation tower

technical field

The invention relates to the technical field of wastewater treatment, in particular to an adjustable atomization evaporation tower.

Background technique

With the rapid increase of industrial water consumption, the amount of wastewater discharge has also increased rapidly, which has brought great challenges to the current wastewater treatment and recycling technology. Spray evaporation technology is a technology that atomizes liquid materials and quickly contacts them with hot air to achieve drying and desalination. This technology has been widely used in food, pharmaceutical and other industries in the past, but is now creatively applied in the field of high-salt wastewater treatment. The principle of this technology is to atomize the material liquid to increase its specific surface area, and then contact with hot air to realize the process of drying and desalination through phase change. The spray evaporation process is mainly composed of four stages: the rotary atomizer atomizes the material liquid, the material mist contacts and mixes with the evaporation medium (usually hot air) and flows, the material mist evaporates in the hot air, and finally the separation and separation of the product is achieved. Recycle.

In the actual operation process, the hot air distribution in the spray evaporation tower has a crucial influence on the efficiency and effect of the spray evaporation technology. Therefore, it is necessary to reasonably design and optimize the hot air distributor of the spray evaporation tower to ensure that the best hot air distribution state can be achieved in the evaporation tower. However, most of the hot air distributors in the existing spray evaporation towers have fixed structures. For traditional materials (such as milk powder, medicine, etc.) whose composition is relatively stable and the feed concentration is basically unchanged, the distribution of hot air in the tower can still be adjusted in advance according to the properties of the materials. The design is optimized to achieve better evaporation effect. However, for the treatment of high-salt wastewater, due to the relatively complex composition of the wastewater, and the composition ratio of each component and the salt concentration will change with the adjustment of the upstream process, it is difficult for the traditional fixed hot air distributor to provide a good solution under complex working conditions. evaporative desalination effect.

Contents of the invention

The technical problem solved by the present invention is: in order to overcome the existing technical defects, the present invention provides an adjustable atomization evaporation tower, which has the advantage that the hot air flow field in the evaporation tower can be adjusted, thereby facilitating Dynamically adjust the hot air flow field to improve the evaporation and desalination effect in complex working conditions.

The technical solution adopted by the present invention to solve the technical problem is: an adjustable atomization evaporation tower, characterized in that, the top of the atomization evaporation tower is provided with a hot air distributor, and the hot air distributor has a hot air inlet and a hot air outlet , the hot air outlet at least includes a circumferential hot air outlet located at the circumferential position of the atomization evaporation tower, and multiple sets of rotatable air deflectors are arranged in the circumferential hot air outlet, and the air deflectors are connected to drive the air deflectors to rotate Drive mechanism.

Further, the air guide plate is provided with a rotating shaft, and the air guide plate is rotatably arranged in the circumferential hot air outlet through the rotating shaft.

Further, the rotating shaft protrudes from the outside of the hot air distributor and is connected with an adjustment paddle, and the driving mechanism is connected with the adjustment paddle and drives the air deflector to rotate through the adjustment paddle.

Further, the drive mechanism includes an adjustment ring arranged outside the atomization evaporation tower, on which there are a number of levers, the levers correspond to the adjustment paddles and are connected one by one, and the adjustment ring is connected to drive the adjustment ring in the mist. The first motor that rotates outside the evaporation tower.

Further, a rack is provided on the adjusting ring, a bevel gear is connected to the first motor, and the bevel gear meshes with the rack.

Further, an encoder is provided on the first motor.

Further, the adjusting paddle is provided with a chute, one end of the chute is provided with a circular groove, the driving rod passes through the chute, and a stopper is connected to the driving rod.

Further, the adjusting ring is provided with a positioning sheet, and a proximity sensor or a distance sensor facing the positioning sheet is provided on the outside of the atomization evaporation tower on both sides of the positioning sheet.

Further, the hot air outlet of the hot air distributor also includes a central hot air outlet located at the center of the hot air distributor, and a central hot air guide plate is arranged inside the central hot air outlet.

Further, the atomization evaporation tower is provided with a uniform liquid distributor and an atomizing disc, the atomizing disc is located under the uniform liquid distributor, the atomizing disc is connected with a second motor, and the uniform liquid distributor An inlet pipe is provided on the upper side for the introduction of high-salt wastewater. The liquid uniform distributor includes a groove structure and an overflow weir on one side of the groove structure. The downstream of the overflow weir is provided with comb-shaped teeth for The downstream high-salt wastewater is divided and diverted. The atomization plate is provided with a number of diverter plates. The circumference of the atomization plate is provided with a number of guide vanes. The guide vanes around the atomization plate form arc Diversion groove, the high-salt wastewater in the atomization plate is thrown out from the arc-shaped diversion groove when the atomization plate rotates;

The bottom of the atomization evaporation tower has a material outlet, and the bottom of the atomization evaporation tower is inverted conical and tapered to the material outlet. A gas collecting ring is provided at the position below the atomization plate (200) in the atomization evaporation tower. The gas collecting ring is arranged horizontally, and an opening is arranged on the gas collecting ring. It is connected with a hot air outlet extending to the outside of the atomizing evaporation tower.

The beneficial effects of the present invention are: the hot air outlet angle of the hot air distributor can be adjusted, and the outlet angle of the hot air can be adjusted for materials of different concentrations and types, and the distribution of the hot air on the air duct as well as the rotation force and direction can be precisely controlled, so that the hot air and material mist It presents a countercurrent or parallel flow state as required, and at the same time ensures that the hot air can evenly cover the entire drying area, prolonging the residence time of the hot air in the evaporation tower to achieve a better evaporation and drying effect. This hot air distributor has wide applicability and height adjustability, and can meet the needs of many different types of spray evaporation equipment.

Description of drawings

Fig. 1 is the overall structural representation of the present invention;

Fig. 2 is the schematic diagram of hot air distributor in the present invention;

Fig. 3 is the enlarged view of place A in Fig. 2;

Fig. 4 is the schematic diagram of wind deflector in the present invention;

Fig. 5 is a schematic diagram of the hot air inlet of the hot air distributor in the present invention;

Fig. 6 is a schematic diagram of the hot air outlet of the hot air distributor in the present invention;

Fig. 7 is a schematic diagram of a liquid uniform distributor and an atomizing disk in the present invention.

In the figure, 1. Atomization evaporation tower; 2. Hot air distributor; 21. Adjusting ring; 22. Proximity sensor; 23. First motor; 24. Air guide plate; 25. Mounting hole; Rack; 213, driving rod; 231, bevel gear; 241, rotating shaft; 242, adjusting paddle; 100, liquid uniform distributor; 101, groove structure; 102, overflow weir; 103, comb-shaped teeth; 200, Atomization disk; 201, splitter plate; 202, guide blade; 203, arc guide groove.

Implementation

Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

Embodiment: Referring to Figures 1-7, an adjustable atomization evaporation tower, the top of the atomization evaporation tower 1 is provided with a hot air distributor 2, the hot air distributor 2 has a hot air inlet and a hot air outlet, and the hot air inlet is located in the fog The outside of the atomization evaporation tower 1 is used for accessing hot air, and the hot air outlet is located inside the atomization evaporation tower 1 for blowing hot air into the atomization evaporation tower 1 . In the hot-blast distributor 2, the hot-blast inlet and the hot-blast outlet are communicated through an air duct.

The shell of the hot air distributor 2 is designed as a spiral volute, and the inside is hollow and circular; the inlet of the air duct is set as a rectangular opening to ensure sufficient air intake, and it is designed as a tapered air duct, which can make the tapered annular gap The wind speed and dynamic pressure are balanced, and the air intake is uniform.

The hot air outlet includes a circumferential hot air outlet located at the circumference of the atomization evaporation tower 1, and a central hot air outlet located at the center of the hot air distributor 2, and a central hot air guide plate is arranged inside the central hot air outlet.

Multiple sets of rotatable air deflectors 24 are arranged inside the circumferential hot air outlet, and the air deflectors 24 are connected with a driving mechanism for driving the air deflectors 24 to rotate. The air deflector 24 is provided with a rotating shaft 241, and the hot air distributor 2 is provided with a corresponding mounting hole 25 for installing the rotating shaft 241 at the hot air outlet of the circumference. Inside.

The rotating shaft protrudes from the outside of the hot air distributor 2 and is connected with an adjusting paddle 242 . The driving mechanism is connected with the adjusting paddle 242 and drives the air deflector 24 to rotate through the adjusting paddle 242 . The driving mechanism includes an adjustment ring 21 arranged on the outside of the atomization evaporation tower 1. The adjustment ring 21 is provided with a plurality of levers 213, and the levers 213 correspond to and connect with the adjustment paddles 242 one by one. The adjusting ring 21 is a first motor 23 that rotates outside the atomization evaporation tower 1 . The adjusting ring 21 is provided with a rack 212 , the first motor 23 is connected with a bevel gear 231 , and the bevel gear 231 is meshed with the rack 212 .

The adjusting paddle 242 is provided with a chute, and one end of the chute is provided with a circular groove, and the driving rod 213 passes through the chute, and the driving rod 213 is connected with a stopper, which is spherical, and is connected with the driving rod. 213 is integrally formed, or installed on the driving rod 213 by welding or threaded connection. The diameter of the circular groove is larger than the stop.

In order to detect the position of the first motor 23 , an encoder is provided on the first motor 23 , and the position of the adjustment ring 21 can be judged through the data of the encoder, and then the angle of the wind deflector 24 can be obtained.

The adjustment ring 21 is provided with a positioning piece 211, and the outside of the atomization evaporation tower 1 is located on both sides of the positioning piece 211, and a proximity sensor 22 or a distance sensor facing the positioning piece 211 is provided. The data of the sensor can judge the position of the adjustment ring 21, and then obtain the angle of the wind deflector 24. The encoder judges the angle of the wind deflector 24 through the motor side, while the proximity sensor 22 or distance sensor judges the angle of the adjustment ring 21. By comparing the data of the two, it can be judged whether the bevel gear 231 and the rack 212 are in good mesh.

The atomization evaporation tower 1 is provided with a uniform liquid distributor 100 and an atomizing disc 200, the atomizing disc 200 is located under the uniform liquid distributor 100, the atomizing disc 200 is connected with a second motor, and the liquid is uniform An inlet pipe is provided above the distributor 100 for feeding high-salt wastewater. The uniform liquid distributor 100 includes a groove structure 101 and an overflow weir 102 on one side of the groove structure 101. The downstream of the overflow weir 102 Comb-like teeth 103 are provided at the center to divide and divert the downstream high-salt wastewater. The atomizing disc 200 is provided with a number of diverter plates 201, and the circumference of the atomizing disc 200 is provided with a number of guide vanes 202. , an arc-shaped diversion groove 203 is formed between the guide vanes 202 around the atomization disc 200, and the high-salt wastewater in the atomization disc 200 is thrown out from the arc-shaped diversion groove 203 when the atomization disc 200 rotates;

The bottom of the atomization evaporation tower 1 has a material outlet, the bottom of the atomization evaporation tower 1 is inverted conical and tapered to the material outlet, and the atomization evaporation tower 1 is located below the atomization disc 200 (200). Gas ring, the gas collecting ring is arranged horizontally, the gas collecting ring is provided with an opening, the upper opening of the gas collecting ring is arranged at the bottom of the gas collecting ring or obliquely below the inner side, the opening is provided with a metal filter, the A hot air outlet extending to the outside of the atomizing evaporation tower 1 is connected to the gas collecting ring.

The hot air outlet angle of the hot air distributor 2 is adjustable. For different concentrations and types of materials, the hot air outlet angle can be adjusted to precisely control the distribution of the hot air on the air duct, as well as the rotation force and direction, so that the hot air and material mist can flow countercurrently or concurrently as required. flow state. At the same time, ensure that the hot air can evenly cover the entire drying area, prolong the residence time of the hot air in the evaporation tower 1, and achieve a better evaporation and drying effect. This hot air distributor 2 has wide applicability and height adjustability, and can meet the requirements of various types of spray evaporation equipment.

The first motor is controlled by an additional controller. In the present invention, the control scheme of the first motor can be to control the reciprocating rotation of the first motor through a program, and then control the reciprocating swing of the air deflector 24 to realize the outlet of the circumferential hot air outlet. The periodic change makes the hot air and material mist periodically present a countercurrent or cocurrent state, prolongs the residence time of the hot air in the evaporation tower 1, and achieves a better evaporation and drying effect. In addition, data can also be updated to the controller of the first motor in real time according to the obtained wastewater concentration, so as to achieve the purpose of real-time adjustment of the direction of the regulating plate.

The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, without departing from the inventive concept of the present invention, some modifications and improvements can also be made, and these all belong to the present invention. protection scope of the invention.

Claims (10)

1. The utility model provides an adjustable atomizing evaporation tower, its characterized in that, atomizing evaporation tower's top is equipped with hot air distributor (2), and hot air distributor (2) have hot air inlet and hot air outlet, hot air outlet is including being located atomizing evaporation tower circumference position's circumference hot air outlet at least, be equipped with multiunit rotatable aviation baffle (24) in the circumference hot air outlet, aviation baffle (24) are connected with the actuating mechanism who is used for driving aviation baffle (24) to rotate.

2. The adjustable atomizing evaporation tower according to claim 1, wherein the air deflector (24) is provided with a rotating shaft (241), and the air deflector (24) is rotatably arranged in the circumferential hot air outlet through the rotating shaft (241).

3. The adjustable atomizing evaporation tower according to claim 2, wherein the rotating shaft (241) extends out of the hot air distributor (2) and is connected with an adjusting dial (242), and the driving mechanism is connected with the adjusting dial (242) and drives the air deflector (24) to rotate through the adjusting dial (242).

4. An adjustable atomizing evaporation tower according to claim 3, characterized in that the driving mechanism comprises an adjusting ring (21) arranged on the outer side of the atomizing evaporation tower, a plurality of deflector rods (213) are arranged on the adjusting ring (21), the deflector rods (213) are in one-to-one correspondence with the adjusting deflector pieces (242) and are connected, and the adjusting ring (21) is connected with a first motor (23) for driving the adjusting ring (21) to rotate on the outer side of the atomizing evaporation tower.

5. The adjustable atomizing evaporation tower according to claim 4, wherein a rack (212) is provided on the adjusting ring (21), the first motor (23) is connected with a bevel gear (231), and the bevel gear (231) is meshed with the rack (212).

6. An adjustable atomizing evaporation tower as claimed in claim 5, wherein said first motor (23) is provided with an encoder.

7. The adjustable atomizing evaporation tower according to claim 4, wherein the adjusting dial (242) is provided with a chute, one end of the chute is provided with a circular groove, the dial rod (213) passes through the chute, and a stop is connected to the dial rod (213).

8. The adjustable atomizing evaporation tower according to claim 4, wherein the adjusting ring (21) is provided with a positioning plate (211), and proximity sensors (22) or distance sensors facing the positioning plate (211) are arranged at positions on two sides of the positioning plate (211) on the outer side of the atomizing evaporation tower.

9. An adjustable atomizing evaporation tower as claimed in any one of claims 1 to 8, wherein said hot air outlet of said hot air distributor (2) further comprises a central hot air outlet located at the center of said hot air distributor (2), and a central hot air guide plate is provided in said central hot air outlet.

10. The adjustable atomizing evaporation tower according to claim 9, wherein a liquid uniform distributor (100) and an atomizing disk (200) are arranged in the atomizing evaporation tower, the atomizing disk (200) is positioned below the liquid uniform distributor (100), the atomizing disk (200) is connected with a second motor, an inlet pipe is arranged above the liquid uniform distributor (100) and is used for introducing high-salt wastewater, the liquid uniform distributor (100) comprises a groove structure (101) and an overflow weir (102) positioned at one side of the groove structure (101), comb-shaped teeth (103) are arranged at the downstream of the overflow weir (102) and are used for dividing and guiding the high-salt wastewater flowing downwards, a plurality of flow dividing plates (201) are arranged on the atomizing disk (200), a plurality of guide vanes (202) are arranged at the circumference of the atomizing disk (200), arc-shaped guide grooves (203) are formed between the guide vanes (202) around the atomizing disk (200), and the high-salt wastewater in the atomizing disk (200) is thrown out from the arc-shaped guide grooves (203) when the atomizing disk (200) rotates;

the bottom of the atomization evaporation tower is provided with a material outlet, the bottom of the atomization evaporation tower is in an inverted cone shape and gradually reduced to the material outlet, a gas collecting ring is arranged at a position, below an atomization disc (200), in the atomization evaporation tower, the gas collecting ring is horizontally arranged, an opening is arranged on the gas collecting ring, the upper opening of the gas collecting ring is arranged at the bottom or the inner inclined lower part of the gas collecting ring, a metal filter screen is arranged at the opening, and a hot air outlet extending to the outer side of the atomization evaporation tower is connected to the gas collecting ring.