CN215638685U

CN215638685U - Exhaust steam waste heat recovery device of thermal drying machine

Info

Publication number: CN215638685U
Application number: CN202122223656.8U
Authority: CN
Inventors: 李庆; 唐治国; 张永阁
Original assignee: Nanjing Southeast University Energy Engineering Design Institute Co ltd
Current assignee: Nanjing Southeast University Energy Engineering Design Institute Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-01-25
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a heat drying machine exhaust steam waste heat recovery device, and particularly relates to the technical field of waste heat recovery devices. According to the utility model, the heat of the hot steam can heat the newly introduced air, so that auxiliary heating is carried out to save fuel, waste of waste heat is avoided, and the liquid condensed by the hot steam can be sprayed on the evaporator through the spray head, so that impurities on the surface of the evaporator are removed, and the heat exchange efficiency is improved.

Description

Exhaust steam waste heat recovery device of thermal drying machine

Technical Field

The utility model relates to the technical field of waste heat recovery devices, in particular to a waste heat recovery device for exhaust steam of a thermal drying machine.

Background

Along with the development of industry and the improvement of living standard, more and more domestic sewage and industrial wastewater are generated, sludge is a product after sewage treatment and has high water content, a drier is generally used for treating sewage, moisture in the sludge is removed through sludge drying, the heat of hot steam discharged by the drier in the sludge drying process is high, and if the heat of the hot steam is not utilized, the waste is wasted, so that a heat drier exhaust steam waste heat recovery device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a thermal drying machine exhaust steam waste heat recovery device to solve the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme: a heat drying machine exhaust steam waste heat recovery device comprises a water storage chamber, wherein the top surface of the water storage chamber is fixedly connected with an operation chamber, one surface of the operation chamber, which is far away from the water storage chamber, is fixedly connected with a top plate, one surface of the top plate, which is back to the water storage chamber, is fixedly connected with a pressurizing chamber, and two sides of the pressurizing chamber are respectively provided with a spray head;

the heat exchanger is arranged on one side, facing the water storage chamber, of the top plate, the evaporator is fixedly connected to the side wall of the heat exchanger, the evaporator is inclined, and the fixing cavity is fixedly connected to the other side wall of the heat exchanger.

Preferably, a first water pipe penetrates through the side wall of the pressurizing chamber, and one end, far away from the pressurizing chamber, of the first water pipe is connected with an output port of the water storage chamber.

Preferably, the shower nozzle is located the top of evaporimeter, the input fixedly connected with of shower nozzle goes out the second water pipe, the one end that the shower nozzle was kept away from to the second water pipe is connected with the output port of plenum chamber, the lateral wall of second water pipe is provided with fixed cover, the lateral wall of fixed cover runs through and is provided with fastening screw, fixed cover is connected with the roof through fastening screw.

Preferably, the side wall of the fixed cavity is fixedly connected with a connecting rod, and one end, far away from the fixed cavity, of the connecting rod is fixedly connected with the top plate.

Preferably, a first air inlet pipe penetrates through the side wall of the heat exchanger, a first connecting pipe is fixedly connected to one end, far away from the heat exchanger, of the first air inlet pipe, a first control valve is arranged on the side wall of the first connecting pipe, an air outlet pipe penetrates through the other side wall of the heat exchanger, a second connecting pipe is fixedly connected to one end, far away from the heat exchanger, of the air outlet pipe, and a second control valve is arranged on the side wall of the second connecting pipe.

Preferably, a second air inlet pipe penetrates through the side wall of the working chamber, and a third control valve is arranged on the side wall of the second air inlet pipe.

Preferably, the side wall of the top plate is provided with an air outlet hole in a penetrating manner.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the air introduced from the first air inlet pipe can be heated by the heat of the hot steam through the evaporator and the heat exchanger, and the heated air can enter the drier through the air outlet pipe, so that the auxiliary heating is carried out to save fuel, and the waste of waste heat is avoided;

2. according to the utility model, after the hot steam is contacted with the evaporator, the hot steam can be condensed into liquid, further condensed water is formed and dropped into the water storage chamber, and the recovered condensed water can be sprayed on the evaporator through the spray head, so that impurities on the surface of the evaporator are removed, and the heat exchange efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is another schematic structural diagram of the present invention.

Fig. 3 is a first exploded view of the present invention.

Fig. 4 is a second exploded view of the present invention.

FIG. 5 is an enlarged view of the utility model at A.

In the figure: 1. a water storage chamber; 2. a working chamber; 3. a top plate; 4. a plenum chamber; 5. a first water pipe; 6. a second water pipe; 7. a spray head; 8. fixing a sleeve; 9. a connecting rod; 10. a fixed cavity; 11. a heat exchanger; 12. an evaporator; 13. a first intake pipe; 14. a first connecting pipe; 15. a first control valve; 16. an air outlet pipe; 17. a second connecting pipe; 18. a second control valve; 19. a second intake pipe; 20. a third control valve; 21. and an air outlet.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-5, the utility model provides a waste heat recovery device for exhaust steam of a heat drying machine, which comprises a water storage chamber 1, wherein a top surface of the water storage chamber 1 is fixedly connected with an operation chamber 2, a side wall of the operation chamber 2 is provided with a second air inlet pipe 19 in a penetrating manner, a side wall of the second air inlet pipe 19 is provided with a third control valve 20, the third control valve 20 can control the opening and closing of the second air inlet pipe 19, one side of the operation chamber 2, which is far away from the water storage chamber 1, is fixedly connected with a top plate 3, a side wall of the top plate 3 is provided with an air outlet 21 in a penetrating manner, the air outlet 21 is used for discharging the treated hot steam, one side of the top plate 3, which is far away from the water storage chamber 1, is fixedly connected with a pressurizing chamber 4, a pump body is arranged in the pressurizing chamber 4, the air outlet 21 is positioned at one side of the pressurizing chamber 4, a first water pipe 5 is provided in a penetrating manner, one end, which is far away from the pressurizing chamber 4, is connected with an output port of the water storage chamber 1, the two sides of the pressurizing chamber 4 are respectively provided with a spray head 7, the spray heads 7 can spray liquid onto the evaporator 12, so that impurities on the evaporator 12 are removed, the heat exchange efficiency is improved, the spray heads 7 are positioned above the evaporator 12, the input end of the spray heads 7 is fixedly connected with a second water pipe 6, one end, far away from the spray heads 7, of the second water pipe 6 is connected with the output port of the pressurizing chamber 4, the side wall of the second water pipe 6 is provided with a fixed sleeve 8, the side wall of the fixed sleeve 8 is provided with a fastening screw in a penetrating manner, and the fixed sleeve 8 is connected with the top plate 3 through the fastening screw;

one side of the top plate 3 facing the water storage chamber 1 is provided with a heat exchanger 11, a first air inlet pipe 13 is arranged on the side wall of the heat exchanger 11 in a penetrating mode, a first connecting pipe 14 is fixedly connected to one end, far away from the heat exchanger 11, of the first air inlet pipe 13, the first connecting pipe 14 is used for being connected with an external air pipe, a first control valve 15 is arranged on the side wall of the first connecting pipe 14, the first control valve 15 is used for controlling the opening and closing of the first connecting pipe 14, an air outlet pipe 16 is arranged on the other side wall of the heat exchanger 11 in a penetrating mode, the air outlet pipe 16 is far away from a second connecting pipe 17 fixedly connected to one end, far away from the heat exchanger 11, of the second connecting pipe 17, a second control valve 18 is arranged on the side wall of the heat exchanger 11, an evaporator 12 is fixedly connected to the side wall of the heat exchanger 11, the evaporator 12 is inclined, a fixing chamber 10 is fixedly connected to the other side wall of the heat exchanger 11, a connecting rod 9 is fixedly connected to the connecting rod 9, and one end, far away from the fixing chamber 10, and is fixedly connected to the top plate 3.

The working principle is as follows: when the dryer is used, the third control valve 20 is opened, hot steam exhausted by the dryer is introduced into the second air inlet pipe 19, meanwhile, the first control valve 15 is opened, the first connecting pipe 14 is connected with the external air pipe, the hot steam enters the operation chamber 2 through the second air inlet pipe 19 and contacts the evaporator 12, the hot steam is condensed into liquid and then drops into the water storage chamber 1, meanwhile, the heat of the hot steam heats air filled from the first air inlet pipe 13 under the action of the heat exchanger 11, and the heated air enters the dryer through the air outlet pipe 16, so that auxiliary heating is performed to save fuel;

after using a period, the impurity carried in the hot steam can adhere on evaporator 12, start the pump body in the pumping chamber 4, the liquid in the reservoir chamber 1 can flow to the shower nozzle 7 through first water pipe 5, second water pipe 6 and go out, then, spray liquid on evaporator 12 through shower nozzle 7 to detach the impurity on evaporator 12, improve heat exchange efficiency, the hot steam is after the processing through evaporator 12 and heat exchanger 11, is arranged outside through venthole 21.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a heating power mummification machine exhaust waste heat recovery device, includes reservoir chamber (1), its characterized in that: the top surface of the water storage chamber (1) is fixedly connected with an operation chamber (2), one surface of the operation chamber (2) far away from the water storage chamber (1) is fixedly connected with a top plate (3), one surface of the top plate (3) back to the water storage chamber (1) is fixedly connected with a pressurizing chamber (4), and two sides of the pressurizing chamber (4) are provided with spray heads (7);

one side of the top plate (3) facing the water storage chamber (1) is provided with a heat exchanger (11), the side wall of the heat exchanger (11) is fixedly connected with an evaporator (12), the evaporator (12) is inclined, and the other side wall of the heat exchanger (11) is fixedly connected with a fixed cavity (10).

2. The exhaust waste heat recovery device of the thermal drying machine as claimed in claim 1, wherein a first water pipe (5) is provided through the side wall of the pressurizing chamber (4), and one end of the first water pipe (5) far away from the pressurizing chamber (4) is connected to the output port of the water storage chamber (1).

3. The exhaust steam waste heat recovery device of the thermal drying machine as claimed in claim 1, wherein the spray head (7) is located above the evaporator (12), the input end of the spray head (7) is fixedly connected with a second water pipe (6), one end of the second water pipe (6) far away from the spray head (7) is connected with the output port of the pressurizing chamber (4), the side wall of the second water pipe (6) is provided with a fixing sleeve (8), the side wall of the fixing sleeve (8) is provided with a fastening screw in a penetrating manner, and the fixing sleeve (8) is connected with the top plate (3) through the fastening screw.

4. The exhaust waste heat recovery device of the thermal drying machine as claimed in claim 1, wherein the side wall of the fixing cavity (10) is fixedly connected with a connecting rod (9), and one end of the connecting rod (9) far away from the fixing cavity (10) is fixedly connected with the top plate (3).

5. The exhaust steam waste heat recovery device of the thermal drying machine according to claim 1, wherein a first air inlet pipe (13) is arranged on a side wall of the heat exchanger (11) in a penetrating manner, a first connecting pipe (14) is fixedly connected to one end, far away from the heat exchanger (11), of the first air inlet pipe (13), a first control valve (15) is arranged on a side wall of the first connecting pipe (14), an air outlet pipe (16) is arranged on the other side wall of the heat exchanger (11) in a penetrating manner, a second connecting pipe (17) is fixedly connected to one end, far away from the heat exchanger (11), of the air outlet pipe (16), and a second control valve (18) is arranged on a side wall of the second connecting pipe (17).

6. The exhaust waste heat recovery device of the thermal drying machine as claimed in claim 1, wherein a second air inlet pipe (19) is arranged through the side wall of the working chamber (2), and a third control valve (20) is arranged on the side wall of the second air inlet pipe (19).

7. The exhaust waste heat recovery device of the thermal drying machine as claimed in claim 1, wherein the side wall of the top plate (3) is provided with an air outlet (21) in a penetrating manner.