CN215259899U

CN215259899U - Waste heat recovery device for thermal power plant

Info

Publication number: CN215259899U
Application number: CN202120150756.XU
Authority: CN
Inventors: 刘维月
Original assignee: Yantai Kerui Heat Exchange Technology Co ltd
Current assignee: Yantai Kerui Heat Exchange Technology Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-12-21
Anticipated expiration: 2031-01-20

Abstract

The utility model belongs to the technical field of thermal power plant, especially, relate to a waste heat recovery device for thermal power plant, comprising a base plate, the top of bottom plate is first support of fixedly connected with, second support and third support respectively, the top fixedly connected with waste heat recoverer of first support, the top fixedly connected with water tank of second support, the top fixedly connected with rose box of third support, one side fixedly connected with heat exchanger of first support is kept away from to the bottom plate, the steam outlet intercommunication of heat exchanger has the steam pipe. The utility model discloses a set up waste heat recoverer, collect the processing to the heater, through setting up the water tank, can store the hot water of capacity, improve the utilization effect of waste heat, through setting up the rose box, can purify the gas that discharges to go, reduce the pollution to the environment, solved waste heat utilization insufficient, thermal power's efficiency reduces and be unfavorable for the problem of energy-conserving production.

Description

Waste heat recovery device for thermal power plant

Technical Field

The utility model relates to a technical field of thermal power plant especially relates to a waste heat recovery device for thermal power plant.

Background

Thermal power plants generally refer to thermal power plants, thermal power plants and the like, which are plants for generating electric energy by converting thermal energy generated by burning solid and liquid fuels such as coal, petroleum, natural gas and the like into kinetic energy.

In the thermal power generation process, the discharged flue gas also contains a large amount of waste heat, so that the part of heat is not fully utilized, the efficiency of the thermal power generation is reduced, the energy is greatly wasted, and the energy-saving production is not facilitated.

In order to solve the problem, the application provides a waste heat recovery device for a thermal power plant.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a waste heat recovery device is used to thermal power plant has the characteristics that generating efficiency is high and the heat can obtain make full use of.

(II) technical scheme

For solving the problem, the utility model provides a waste heat recovery device for thermal power plant, comprising a base plate, the top of bottom plate is first support of fixedly connected with, second support and third support respectively, the top fixedly connected with waste heat recovery device of first support, the top fixedly connected with water tank of second support, the top fixedly connected with rose box of third support, one side fixedly connected with heat exchanger of first support is kept away from to the bottom plate, the steam outlet intercommunication of heat exchanger has the steam pipe, the one end of steam pipe and waste heat recovery device's steam air inlet intercommunication, the delivery port of heat exchanger and the water inlet intercommunication of water tank, waste heat recovery device's gas vent intercommunication has the cold air pipe, the one end of cold air pipe and one side intercommunication of rose box.

Preferably, one side of the top of the bottom plate, which is close to the first support, is fixedly connected with a booster pump, the water outlet end of the booster pump is communicated with a water inlet pipe, one end of the water inlet pipe is communicated with the water inlet of the waste heat recoverer, and the water outlet end of the waste heat recoverer is communicated with a hot water pipe.

Preferably, one end of the hot water pipe is communicated with the water inlet end of the heat exchanger, the bottom of the water tank is communicated with a multi-channel connector, and a first valve is arranged on the outer side of the multi-channel connector.

Preferably, a second valve is arranged on the outer side of the water outlet of the heat exchanger, and the top of the heat exchanger is communicated with a flue gas inlet pipe.

Preferably, the inner wall of rose box is fixedly connected with first filter and second filter respectively, the top intercommunication of rose box has the blast pipe.

Preferably, a controller is installed on one side of the first support, and an electrical output end of the controller is electrically connected with electrical input ends of the booster pump, the heat exchanger and the waste heat recoverer respectively.

The above technical scheme of the utility model has following profitable technological effect:

1. the utility model has the advantages that the waste heat recoverer is arranged to collect and treat the heat, the water tank is arranged to store enough hot water, the utilization effect of waste heat is improved, the filter box is arranged to purify the discharged gas, the pollution to the environment is reduced, and the problems of insufficient waste heat utilization, low efficiency of thermal power generation and unfavorable energy-saving production are solved;

2. the utility model discloses a set up booster pump and inlet tube, make cold water can enter into waste heat recoverer more fast in, through setting up the hot-water line, carry hot water in the heat exchanger, through setting up the multichannel connector, can carry the water in the water tank to different fields uses, improve hydrothermal utilization efficiency, through setting up first valve, hot water flow in the controllable water tank, through setting up the second valve, be convenient for control heat exchanger gets into the flow of water tank, through setting up the flue gas intake pipe, make the flue gas easier get into in the heat exchanger, through setting up first filter and second filter, can purify waste heat recoverer exhaust flue gas, reduce the pollution to the environment, through setting up the controller, the person of facilitating the use operates waste heat recovery device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the filter box of FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the multi-channel connector shown in fig. 1 according to the present invention;

fig. 4 is a schematic structural view of the flue gas inlet pipe in fig. 1 of the present invention.

Reference numerals:

1. a base plate; 2. a first bracket; 3. a second bracket; 4. a third support; 5. a waste heat recoverer; 6. a water tank; 7. a filter box; 8. a heat exchanger; 9. a hot gas pipe; 10. a cold air pipe; 11. a booster pump; 12. a water inlet pipe; 13. a hot water pipe; 14. a multi-channel connector; 15. a first valve; 16. a second valve; 17. a flue gas inlet pipe; 18. a first filter plate; 19. a second filter plate; 20. an exhaust pipe; 21. and a controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model provides a waste heat recovery device for thermal power plant, including bottom plate 1, the first support 2 of top difference fixedly connected with of bottom plate 1, second support 3 and third support 4, the top fixedly connected with waste heat recoverer 5 of first support 2, the top fixedly connected with water tank 6 of second support 3, the top fixedly connected with rose box 7 of third support 4, one side fixedly connected with heat exchanger 8 of first support 2 is kept away from to bottom plate 1, the steam outlet intercommunication of heat exchanger 8 has hot-air pipe 9, the one end of hot-air pipe 9 and the steam inlet intercommunication of waste heat recoverer 5, the delivery port of heat exchanger 8 and the water inlet intercommunication of water tank 6, the gas vent intercommunication of waste heat recoverer 5 has cold air pipe 10, the one end of cold air pipe 10 and the one side intercommunication of rose box 7.

As shown in fig. 1, one side fixedly connected with booster pump 11 that the top of bottom plate 1 is close to first support 2, and the play water end intercommunication of booster pump 11 has inlet tube 12, and the one end of inlet tube 12 communicates with the water inlet of waste heat recoverer 5, and the play water end intercommunication of waste heat recoverer 5 has hot-water line 13, through setting up booster pump 11 and inlet tube 12, makes cold water can enter into waste heat recoverer 5 more fast in, through setting up hot-water line 13, carries hot water in the heat exchanger 8.

As shown in fig. 1 and 3, one end of the hot water pipe 13 is communicated with the water inlet end of the heat exchanger 8, the bottom of the water tank 6 is communicated with the multi-channel connector 14, the outer side of the multi-channel connector 14 is provided with the first valve 15, water in the water tank 6 can be conveyed to different fields for use by arranging the multi-channel connector 14, the utilization efficiency of hot water is improved, and the flow of hot water in the water tank 6 can be controlled by arranging the first valve 15.

As shown in fig. 1 and 4, the outside of the water outlet of the heat exchanger 8 is provided with a second valve 16, the top of the heat exchanger 8 is communicated with a flue gas inlet pipe 17, the second valve 16 is arranged, the flow of the heat exchanger 8 entering the water tank 6 is convenient to control, and the flue gas can more easily enter the heat exchanger 8 by arranging the flue gas inlet pipe 17.

As shown in figure 2, the inner wall of the filter box 7 is fixedly connected with a first filter plate 18 and a second filter plate 19 respectively, the top of the filter box 7 is communicated with an exhaust pipe 20, and the exhaust gas of the waste heat recoverer 5 can be purified by arranging the first filter plate 18 and the second filter plate 19, so that the pollution to the environment is reduced.

As shown in fig. 1, a controller 21 is installed at one side of the first bracket 2, an electrical output end of the controller 21 is electrically connected with electrical input ends of the booster pump 11, the heat exchanger 8 and the waste heat recoverer 5, and a user can conveniently operate the waste heat recovery device by arranging the controller 21.

The utility model provides a pair of waste heat recovery device for thermal power plant's theory of operation as follows:

when using, the user is connected flue gas intake pipe 17 and thermoelectricity exhaust port, start waste heat recovery device through controller 21, the flue gas can be through in the effect of heat exchanger 8 carries out heat conduction with the further waste heat recoverer 5 of carrying of heat, booster pump 11 brings water into waste heat recoverer 5, hot water in the waste heat recoverer 5 can enter into heat exchanger 8 through hot-water line 13, the processing hot water through heat exchanger 8 enters into water tank 6, be connected multichannel connector 14 with the water pipeline, exhaust flue gas enters into rose box 7 and handles, discharge out at last, thereby realize waste heat recovery and utilization's effect.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A waste heat recovery device for a thermal power plant comprises a bottom plate (1) and is characterized in that the top of the bottom plate (1) is fixedly connected with a first support (2), a second support (3) and a third support (4) respectively, the top of the first support (2) is fixedly connected with a waste heat recoverer (5), the top of the second support (3) is fixedly connected with a water tank (6), the top of the third support (4) is fixedly connected with a filter box (7), one side, far away from the first support (2), of the bottom plate (1) is fixedly connected with a heat exchanger (8), a hot air outlet of the heat exchanger (8) is communicated with a hot air pipe (9), one end of the hot air pipe (9) is communicated with a hot air inlet of the waste heat recoverer (5), a water outlet of the heat exchanger (8) is communicated with a water inlet of the water tank (6), an air outlet of the waste heat recoverer (5) is communicated with a cold air pipe (10), one end of the cold air pipe (10) is communicated with one side of the filter box (7).

2. The waste heat recovery device for the thermal power plant according to claim 1, wherein a booster pump (11) is fixedly connected to one side of the top of the bottom plate (1) close to the first support (2), a water outlet end of the booster pump (11) is communicated with a water inlet pipe (12), one end of the water inlet pipe (12) is communicated with a water inlet of the waste heat recoverer (5), and a water outlet end of the waste heat recoverer (5) is communicated with a hot water pipe (13).

3. The waste heat recovery device for the thermal power plant according to claim 2, wherein one end of the hot water pipe (13) is communicated with a water inlet end of the heat exchanger (8), the bottom of the water tank (6) is communicated with a multi-channel connector (14), and a first valve (15) is arranged on the outer side of the multi-channel connector (14).

4. The waste heat recovery device for the thermal power plant according to claim 1, wherein a second valve (16) is arranged outside a water outlet of the heat exchanger (8), and a flue gas inlet pipe (17) is communicated with the top of the heat exchanger (8).

5. The waste heat recovery device for the thermal power plant according to claim 1, wherein the inner wall of the filter box (7) is fixedly connected with a first filter plate (18) and a second filter plate (19) respectively, and the top of the filter box (7) is communicated with an exhaust pipe (20).

6. The waste heat recovery device for the thermal power plant according to claim 1, wherein a controller (21) is installed on one side of the first bracket (2), and an electrical output end of the controller (21) is electrically connected with an electrical input end of the booster pump (11), the heat exchanger (8) and the waste heat recoverer (5) respectively.