CN216308553U

CN216308553U - Flash evaporation waste heat utilization device

Info

Publication number: CN216308553U
Application number: CN202121731384.6U
Authority: CN
Inventors: 石善勇; 马军; 许建
Original assignee: LINYI YUWANG VEGETABLE PROTEIN CO Ltd
Current assignee: LINYI YUWANG VEGETABLE PROTEIN CO Ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-04-15
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a flash evaporation waste heat utilization device, which relates to the technical field of flash evaporation waste heat utilization and comprises a base, wherein a flash evaporation tank is welded on one side of the upper surface of the base, a recovery box is installed on one side of the upper surface of the base close to the flash evaporation tank, a waste gas pipe is welded at the gas outlet end of the flash evaporation tank, a pipe type heat exchanger is fixedly connected to the other side of the waste gas pipe, the pipe type heat exchanger is positioned in the recovery box, pipelines at two ends are supported by the recovery box, a vacuum pump is fixedly communicated with the other end of the pipe type heat exchanger, and a support is fixedly installed at the bottom of the vacuum pump. According to the utility model, the existing process is optimized and modified, a set of tubular heat exchanger (the heat exchange area is matched with the air extraction amount of the vacuum pump) is arranged between the flash tank and the vacuum pump, the tubular heat exchanger is placed in the recovery box, hot steam is introduced into the tubular heat exchanger, normal warm water is introduced from the outside, the flash steam is cooled, the normal warm water is heated and reused, the flash cooling process after the process modification can realize the process purpose only by operating one vacuum pump, the operation and maintenance costs of the original complete equipment such as a circulating water pump, a self-sucking pump and a cooling water tower are removed, and the production and operation costs are reduced.

Description

Flash evaporation waste heat utilization device

Technical Field

The utility model relates to the technical field of flash evaporation waste heat utilization, in particular to a flash evaporation waste heat utilization device.

Background

The flash evaporation dryer is characterized in that hot air enters the bottom of the dryer tangentially, and a powerful rotary wind field is formed under the drive of a stirrer. The materials enter the dryer from the spiral feeder, under the strong action of the high-speed rotating stirring paddle, the blocky materials are quickly crushed, fully contacted with hot air, heated and dried, but the waste gas for drying has higher heat.

At present, the production cost of enterprises is higher and higher, on the premise of ensuring the product quality, the reduction of the production cost is a necessary way for the survival and long-term development of the enterprises, the flash evaporation cooling process in the production process of the existing companies adopts a vacuum pump to absorb heat for cooling, auxiliary facilities such as a circulating water pump, a self-sucking pump, a water cooling tower, a heat exchanger and the like are matched, a large amount of heat waste and equipment operation power loss exist, and the production, operation and maintenance costs are high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, in the flash evaporation cooling process of a company, a vacuum pump is adopted to absorb heat for cooling, a circulating water pump, a self-sucking pump, a water cooling tower, a heat exchanger and other auxiliary facilities are matched, a large amount of heat is wasted, the power loss of equipment operation is reduced, and the production operation and maintenance costs are high.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a flash distillation waste heat utilization equipment, includes the base, the welding of base upper surface one side has the flash tank, and the collection box is installed by flash tank one side to the base upper surface, and the flash tank is given vent to anger to hold the welding and is had the exhaust gas pipe, and exhaust gas pipe opposite side fixedly connected with tubular heat exchanger, tubular heat exchanger are in inside the collection box, and both ends pipeline are supported by the collection box, and the fixed intercommunication of the tubular heat exchanger other end has the vacuum pump, and vacuum pump bottom fixed mounting has the support, and the welding of support bottom is on the base.

Optionally, the tubular heat exchanger comprises a heat exchange tube and an air distribution disc, the air distribution disc is fixedly communicated with the heat exchange tube along the vertical direction, the diameter of the heat exchange tube is larger than that of the waste gas tube, and the heat exchange tube is connected with the air distribution disc through a fixing bolt.

Optionally, alternating-current partition plates are uniformly distributed on the recycling bin along the horizontal direction, and gaps exist between the upper ends and the lower ends of the alternating-current partition plates and the recycling bin in a staggered mode.

Optionally, the bottom of the recycling bin is rotatably connected with a horizontal shaft, one end of the horizontal shaft is fixedly provided with a driving motor, the horizontal shaft is uniformly distributed with stirring blades along the horizontal direction, and the stirring blades are located in a gap between the two alternating-current partition plates.

Optionally, a temperature sensor is installed at the position of the exhaust gas pipe, a control module is fixedly installed on one side, close to the temperature sensor, of the recycling box, and a signal wire of the temperature sensor is connected with the control module.

Optionally, the recycling bin has seted up the outlet pipe by vacuum pump top one side, and the recycling bin has seted up the inlet tube in outlet pipe antipodal side bottom, and the inlet tube pipe diameter sets up to be greater than the outlet pipe diameter.

Compared with the prior art, the utility model has the following advantages:

according to the utility model, the existing process is optimized and modified, a set of tubular heat exchanger (the heat exchange area is matched with the air extraction amount of the vacuum pump) is arranged between the flash tank and the vacuum pump, the tubular heat exchanger is placed in the recovery box, hot steam is introduced into the tubular heat exchanger, normal warm water is introduced from the outside, the flash steam is cooled, the normal warm water is heated and reused, the flash cooling process after the process modification can realize the process purpose only by operating one vacuum pump, the operation and maintenance costs of the original complete equipment such as a circulating water pump, a self-sucking pump and a cooling water tower are removed, and the production and operation costs are reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a partial structure of a tube radiator;

fig. 3 is a schematic flow diagram of the cooling medium of the present invention.

In the figure: 1. a flash tank; 2. a temperature sensor; 3. an exhaust gas pipe; 4. a control module; 5. A drive motor; 6. a water inlet pipe; 7. an AC partition plate; 8. a recycling bin; 9. a water outlet pipe; 10. Stirring the blades; 11. a horizontal axis; 12. a vacuum pump; 13. a support; 14. a base; 15. a tubular heat exchanger; 151. a heat exchange pipe; 152. a gas distribution plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to 1-3, a flash evaporation waste heat utilization device comprises a base 14, a flash evaporation tank 1 is welded on one side of the upper surface of the base 14, a recovery tank 8 is installed on one side, close to the flash evaporation tank 1, of the upper surface of the base 14, a waste gas pipe 3 is welded on the gas outlet end of the flash evaporation tank 1, the waste gas in the flash evaporation tank 1 is led out through the waste gas pipe 3, and a tubular heat exchanger 15 is fixedly connected to the other side of the waste gas pipe 3.

As a preferred embodiment, the tubular heat exchanger 15 includes a heat exchange tube 151 and an air distribution disc 152, the air distribution disc 152 is fixedly communicated with the heat exchange tube 151 along the vertical direction, the diameter of the heat exchange tube 151 is larger than the diameter of the waste gas tube 3, so that the waste gas can have a larger contact area with the gas in the recycling bin 8 through the heat exchange tube 151, and the heat exchange efficiency of the heat exchange tube 151 is effectively increased.

As a better implementation mode, the heat exchange tube 151 is connected with the air distribution disc 152 by a fixing bolt, so that the heat exchange tube 151 can be conveniently detached from the air distribution disc 152, the heat exchange tube 151 can be cleaned and the heat exchange tubes 151 with different pipe diameters can be replaced as required, the tube heat exchanger 15 is arranged inside the recovery box 8, pipelines at two ends are supported by the recovery box 8, the other end of the tube heat exchanger 15 is fixedly communicated with a vacuum pump 12, a support 13 is fixedly arranged at the bottom of the vacuum pump 12, and the bottom of the support 13 is welded on the base 14.

As a preferred embodiment, alternating current partition plates 7 are uniformly distributed in the recovery tank 8 along the horizontal direction, gaps are sequentially formed between the upper ends and the lower ends of the alternating current partition plates 7 and the recovery tank 8 in a staggered manner, and the alternating current partition plates 7 block the interior of the recovery tank 8 into an S-shaped flow cavity, so that warm water or a heat exchange medium in the recovery tank 8 can fully flow in the recovery tank 8.

As a preferred embodiment, the bottom of the recycling bin 8 is rotatably connected with a horizontal shaft 11, one end of the horizontal shaft 11 is fixedly provided with a driving motor 5, the horizontal shaft 11 is uniformly distributed with stirring blades 10 along the horizontal direction, and the stirring blades 10 are located in a gap between two alternating current partition plates 7, a temperature sensor 2 is installed at the position of the exhaust gas pipe 3, a control module 4 is fixedly installed at one side of the recycling bin 8 close to the temperature sensor 2, a signal line of the temperature sensor 2 is connected with the control module 4, and when the temperature sensor 2 senses that the temperature in the exhaust gas pipe 3 is high, the control module 4 drives the stirring blades 10 at the output end of the driving motor 5 according to the temperature sensor 2 to accelerate the heat flow in the recycling bin 8.

As a better implementation mode, one side of the recycling box 8 close to the top of the vacuum pump 12 is provided with a water outlet pipe 9, the recycling box 8 is provided with a water inlet pipe 6 at the bottom of the side surface of the water outlet pipe 9, the pipe diameter of the water inlet pipe 6 is larger than that of the water outlet pipe 9, so that the warm water inlet speed in the recycling box 8 is higher, and the hot water outlet speed is lower.

The working principle is as follows:

when the waste gas recovery system works, waste gas generated by the flash tank 1 is introduced into the tubular heat exchanger 15 through the waste gas pipe 3, the waste gas is driven by the vacuum pump 12, the recovery tank 8 passes through sufficient warm water through the water inlet pipe 6 until the top of the tubular heat exchanger 15 is submerged, the redundant warm water is discharged through the water outlet pipe 9 on one side of the top of the recovery tank 8, the waste gas with a certain temperature is subjected to heat exchange with the warm water through the heat exchange pipe 151 of the tubular heat exchanger 15, and when the temperature sensor 2 senses that the temperature in the waste gas pipe 3 is too high, the control module 4 controls the driving motor 5 to drive the stirring blades 10 on the horizontal shaft 11 to accelerate heat flow between the alternating-current partition plates 7 of the recovery tank 8.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a flash distillation waste heat utilization equipment, includes base (14), a serial communication port, base (14) upper surface one side welding has flash tank (1), flash tank (1) one side is leaned on to base (14) upper surface and installs collection box (8), flash tank (1) is given vent to anger the end welding and is had exhaust pipe (3), exhaust pipe (3) opposite side fixedly connected with tubular heat exchanger (15), tubular heat exchanger (15) are in inside collection box (8), and the both ends pipeline is supported by collection box (8), tubular heat exchanger (15) other end fixed intercommunication has vacuum pump (12), vacuum pump (12) bottom fixed mounting has support (13), support (13) bottom welding is on base (14).

2. A flash evaporation waste heat utilization device according to claim 1, wherein the tubular heat exchanger (15) comprises a heat exchange tube (151) and a gas distribution disc (152), the gas distribution disc (152) is fixedly communicated with the heat exchange tube (151) along the vertical direction, the diameter of the heat exchange tube (151) is larger than that of the waste gas tube (3), and the heat exchange tube (151) is connected with the gas distribution disc (152) through a fixing bolt.

3. A flash evaporation waste heat utilization device according to claim 1, wherein the recovery tank (8) is uniformly distributed with alternating current partition plates (7) along the horizontal direction, and the upper end and the lower end of each alternating current partition plate (7) are sequentially staggered with the recovery tank (8) to form gaps.

4. The flash evaporation waste heat utilization device according to claim 1, wherein a horizontal shaft (11) is rotatably connected to the bottom of the recovery tank (8), a driving motor (5) is fixedly mounted at one end of the horizontal shaft (11), stirring blades (10) are uniformly distributed on the horizontal shaft (11) along the horizontal direction, and the stirring blades (10) are located in a gap between the two alternating current partition plates (7).

5. A flash evaporation waste heat utilization device according to claim 1, wherein a temperature sensor (2) is installed at the position of the exhaust pipe (3), a control module (4) is fixedly installed on one side, close to the temperature sensor (2), of the recovery box (8), and a signal line of the temperature sensor (2) is connected with the control module (4).

6. A flash evaporation waste heat utilization device according to claim 1, wherein a water outlet pipe (9) is provided at one side of the recovery tank (8) close to the top of the vacuum pump (12), a water inlet pipe (6) is provided at the bottom of the side surface of the recovery tank (8) opposite to the water outlet pipe (9), and the pipe diameter of the water inlet pipe (6) is larger than that of the water outlet pipe (9).