CN216432600U

CN216432600U - Thermoelectric waste heat recovery device

Info

Publication number: CN216432600U
Application number: CN202122556394.7U
Authority: CN
Inventors: 徐建; 冯加东; 王磊; 刘建斌; 王金武; 张严言
Original assignee: NANJING CHEMICAL CONSTRUCTION CO Ltd
Current assignee: NANJING CHEMICAL CONSTRUCTION CO Ltd
Priority date: 2021-10-23
Filing date: 2021-10-23
Publication date: 2022-05-03
Anticipated expiration: 2031-10-23

Abstract

The utility model discloses a thermoelectric waste heat recovery device, which comprises a bottom plate, wherein a hot gas processing component is arranged at the left end of the top of the bottom plate, a first recovery box is arranged at the right end of the top of the bottom plate, a first circulating air pipe is arranged in the inner cavity of the first recovery box, the hot gas of the utility model enters a second recovery box through an air duct, the second circulating air pipe is a spiral pipeline, the contact area between the second circulating air pipe and water is increased, so that the hot gas heats the water in a connecting pipe more uniformly, when the hot gas discharged by the second circulating air pipe passes through a second air outlet, a temperature sensor senses the temperature value of the hot gas, when the temperature of the hot gas discharged by the second circulating air pipe is higher than a set range, the hot gas is discharged into the inner cavity of the first recovery box through the connecting pipe for recycling again, the first circulating air pipe is an S-shaped pipeline, so that the water in the first recovery box can be heated more uniformly, utilize the device to fully retrieve the heat in the steam, reduce the energy waste.

Description

Thermoelectric waste heat recovery device

Technical Field

The utility model relates to a steam treatment facility technical field specifically is a thermoelectric waste heat recovery device.

Background

Thermal power plant, mean in the electricity generation, still utilize the steam extraction or the steam extraction of steam turbine for the thermal power plant of user's heat supply, the waste heat is meant to receive the limitation of factors such as history, technique, theory, in the industrial enterprise power consumption device that has put into operation, original design is sensible heat and latent heat by rational utilization, energy saving and consumption reduction is the survival of enterprise originally, in recent years, because the tension of the energy, energy saving and consumption reduction work is more and more taken into account in the enterprise, in the electric heat plant, need to use waste heat recovery device usually, but current device still has certain problem, concrete problem is as follows:

when current device is carrying out waste heat recovery, because the area of contact of steam and water is less, lead to water to be heated the uneven efficiency that influences waste heat recovery, the steam in the device of current in addition is the dust impurity who contains certain granule when discharging from the steam power plant, if directly discharges through the pipeline, can cause air pollution, still probably causes the jam of gas transmission pipeline simultaneously, and inconvenient device is used widely for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermoelectric waste heat recovery device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a thermoelectric waste heat recovery device comprises a bottom plate, wherein a hot gas treatment component is installed at the left end of the top of the bottom plate, a first recovery box is installed at the right end of the top of the bottom plate, a first circulating gas pipe is arranged in an inner cavity of the first recovery box, a first water inlet pipe and a first water discharge pipe are respectively arranged on the left side wall and the right side wall of the first recovery box, a first exhaust port is arranged at the left end of the top of the first recovery box, a transition port is arranged at the right end of the top of the first recovery box, support columns are vertically arranged at the left end and the right end of the top of the transition port, a second recovery box is installed at the tops of two groups of the support columns, a second circulating gas pipe is arranged in an inner cavity of the second recovery box, a second water inlet pipe and a second water discharge pipe are respectively arranged at the upper end and the lower end of the left side wall of the second recovery box, a controller is arranged at the center of the left side wall, and an air inlet is arranged at the bottom of the second recovery box, and the air inlet passes through the air duct and is connected with hot gas processing assembly, the top of second collection box is provided with the second gas vent, and the left side wall of second gas vent inner chamber is provided with temperature sensor, the top of second gas vent is provided with the blast pipe, the outer wall of blast pipe is provided with the second control valve, the right-hand member of blast pipe is provided with the connecting pipe, and the connecting pipe is connected with the top of crossing the ferry, the outer wall of connecting pipe is provided with first control valve.

Preferably, the hot gas treatment component includes rose box and filtering component, the rose box is located the left end at bottom plate top, the inner chamber of rose box is provided with filtering component, both ends are provided with coupling assembling about filtering component, the lower extreme of rose box left side wall is provided with the intake pipe, the upper end of rose box right side wall is provided with the air duct, filtering component include the active carbon adsorption net with, filtering component's filter screen is located the lower extreme of rose box inner chamber, the rose box inner chamber of filter screen top is provided with the active carbon adsorption net.

Based on above-mentioned technical characteristic, steam passes through the inner chamber that the intake pipe got into the rose box, blocks through the large granule impurity that the filter screen contains in to steam, and under the effect of gravity, impurity drops in the bottom of rose box inner chamber, and steam continues to rise when adsorbing the net through the active carbon, adsorbs the peculiar smell that contains in the steam for steam is cleaner when discharging.

Preferably, the front of the filter box is hinged with a glass door, and a rubber pad is arranged at the joint of the glass door and the filter box.

Based on above-mentioned technical characteristic, the setting of rubber pad has increased the leakproofness between glass door and the rose box.

Preferably, coupling assembling includes locking bolt, reservation piece and reservation groove, coupling assembling's reservation piece is located both ends about active carbon adsorption net and filter screen, the lateral wall all is provided with the reservation groove about the rose box inner chamber, and is sliding connection between reservation groove and the reservation piece, the equal spiro union in top in reservation groove has locking bolt, and locking bolt's bottom all stretches into the inner chamber of reservation piece.

Based on the technical characteristics, when the filter screen and the activated carbon adsorption net are used for a period of time, the locking bolt is screwed out, so that the reserved block is separated from the inner cavity of the reserved groove, and the filter screen and the activated carbon adsorption net are conveniently detached and replaced.

Preferably, the number of the second circulating air pipes is provided with three groups, the second circulating air pipes are all helical pipelines, and the top and the bottom of each second circulating air pipe are respectively connected with the second air outlet and the air inlet.

Based on the technical characteristics, the contact area of hot air and water is increased through the second circulating air pipe, so that the water is heated more uniformly.

Preferably, the first circulating air pipe is an S-shaped pipeline, and the left end and the right end of the first circulating air pipe are respectively connected with the first exhaust port and the transition port.

Based on the technical characteristics, the hot air passes through the first circulating air pipe to increase the contact area with the water, so that the water is heated more uniformly.

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

(1) hot air enters a second recovery box through an air guide pipe, the second circulation air pipe is a spiral pipeline, the contact area between the second circulation air pipe and water is increased, the hot air transfers heat to the water through the second circulation air pipe, so that the water in the connecting pipe is heated more uniformly by the hot air, when the hot air exhausted by the second circulation air pipe passes through a second air exhaust port, a temperature value of the hot air is sensed by a temperature sensor, when the temperature of the hot air exhausted by the second circulation air pipe is higher than a set range, the hot air is exhausted into an inner cavity of the first recovery box through the connecting pipe to be recovered again, the first circulation air pipe is an S-shaped pipeline, the hot air transfers heat to the water through the first circulation air pipe, the water in the first recovery box is heated more uniformly, the heat in the hot air is fully recovered by using the device, and the energy waste is reduced;

(2) steam passes through the inner chamber that the intake pipe got into the rose box, blocks through the large granule impurity that the filter screen contains in to steam, and under the effect of gravity, impurity falls in the bottom of rose box inner chamber, and steam continues to rise when adsorbing the net through the active carbon, adsorbs the peculiar smell that contains in the steam for steam is cleaner when discharging, avoids causing environmental pollution.

Description of the 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 these drawings without creative efforts.

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

fig. 2 is a schematic structural view of a position a in fig. 1 according to the present invention;

fig. 3 is a schematic front view of the structure of the present invention.

In the figure: 1. an air duct; 2. a filter box; 3. a filter assembly; 301. an activated carbon adsorption net; 302. a filter screen; 4. an air inlet pipe; 5. a base plate; 6. a first water inlet pipe; 7. a first exhaust port; 8. a first circulating gas pipe; 9. a first recovery tank; 10. a transition port; 11. a first drain pipe; 12. a support pillar; 13. an air inlet; 14. a second drain pipe; 15. a second circulating gas pipe; 16. a second recovery tank; 17. a connecting pipe; 18. a second exhaust port; 19. a first control valve; 20. a second control valve; 21. an exhaust pipe; 22. a temperature sensor; 23. a second water inlet pipe; 24. a controller; 25. a connecting assembly; 2501. locking the bolt; 2502. reserving a block; 2503. reserving a groove; 26. a glass door.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a thermoelectric waste heat recovery device comprises a bottom plate 5, a hot gas treatment component is installed at the left end of the top of the bottom plate 5, the hot gas treatment component comprises a filter box 2 and a filter component 3, the filter box 2 is located at the left end of the top of the bottom plate 5, the filter component 3 is arranged in an inner cavity of the filter box 2, connecting components 25 are arranged at the left end and the right end of the filter component 3, an air inlet pipe 4 is arranged at the lower end of the left side wall of the filter box 2, an air guide pipe 1 is arranged at the upper end of the right side wall of the filter box 2, the filter component 3 comprises activated

carbon adsorption nets

301 and 302, a filter screen 302 of the filter component 3 is located at the lower end of the inner cavity of the filter box 2, the inner cavity of the filter box 2 above the filter screen 302 is provided with the activated carbon adsorption net 301, the front face of the filter box 2 is hinged with a glass door 26, a rubber pad is arranged at the joint of the glass door 26 and the filter box 2, the connecting components 25 comprise a locking bolt 2501, a reserved block 2502 and a reserved groove 2503, the reserved block 2502 of the connecting assembly 25 is positioned at the left end and the right end of the activated carbon adsorption net 301 and the filter screen 302, the left side wall and the right side wall of the inner cavity of the filter box 2 are both provided with reserved grooves 2503, the reserved grooves 2503 are in sliding connection with the reserved blocks 2502, the tops of the reserved grooves 2503 are both screwed with locking bolts 2501, the bottoms of the locking bolts 2501 extend into the inner cavity of the reserved blocks 2502, the right end of the top of the bottom plate 5 is provided with a first recovery box 9, the inner cavity of the first recovery box 9 is provided with a first circulating air pipe 8, the left side wall and the right side wall of the first recovery box 9 are respectively provided with a first water inlet pipe 6 and a first water outlet pipe 11, the left end of the top of the first recovery box 9 is provided with a first exhaust port 7, the right end of the top of the first recovery box 9 is provided with a transition port 10, the first circulating air pipe 8 is an 'S' -shaped pipe, and the left end and right end of the first circulating air pipe 8 are respectively connected with the transition port 7 and the transition port 10, the left end and the right end of the top of the transition port 10 are both vertically provided with support columns 12, the tops of the two groups of support columns 12 are provided with a second recovery box 16, the inner cavity of the second recovery box 16 is provided with a second circulating air pipe 15, the upper end and the lower end of the left side wall of the second recovery box 16 are respectively provided with a second water inlet pipe 23 and a second water outlet pipe 14, the center of the left side wall is provided with a controller 24, the bottom of the second recovery box 16 is provided with an air inlet 13, the air inlet 13 is connected with a hot air processing component through an air duct 1, the top of the second recovery box 16 is provided with a second air outlet 18, the left side wall of the inner cavity of the second air outlet 18 is provided with a temperature sensor 22, the number of the second circulating air pipes 15 is provided with three groups, the three groups of second circulating air pipes 15 are helical pipelines, the tops and the bottoms of the three groups of second circulating air pipes 15 are respectively connected with the second air outlet 18 and the air inlet 13, the top of the second air outlet 18 is provided with an exhaust pipe 21, the outer wall of the exhaust pipe 21 is provided with a second control valve 20, the right end of the exhaust pipe 21 is provided with a connecting pipe 17, the connecting pipe 17 is connected with the top of the transition port 10, and the outer wall of the connecting pipe 17 is provided with a first control valve 19.

The working principle is as follows: when the device is used, the external power supply collects hot air to the inner cavity of the filter box 2 through the air inlet pipe 4, large-particle impurities contained in the hot air are blocked through the filter screen 302, the impurities fall at the bottom of the inner cavity of the filter box 2 under the action of gravity, the hot air continuously rises to pass through the activated carbon adsorption net 301 to adsorb peculiar smell contained in the hot air, so that the hot air is cleaner when being discharged, the environmental pollution is avoided, after a period of use, the glass door 26 is opened, the locking bolt 2501 is upwards screwed out until the reserved block 2502 is taken out from the inner cavity of the reserved groove 3 in a sliding manner, the filter screen 301 and the activated carbon adsorption net 302 are convenient to disassemble and replace, the practicability of the device is improved, the hot air enters the inner cavity of the second circulating air pipe 15 through the air guide pipe 1 and the air inlet 13, and cold water is injected into the inner cavity of the second recovery box 16 through the second water inlet pipe 23, because the second circulating air pipe 15 is a spiral pipeline, the contact area between the second circulating air pipe 15 and water is increased, heat is transferred to the water through the second circulating air pipe 15, so that the water in the connecting pipe 17 is heated by the heat more uniformly, after a period of time, hot water is discharged from the second water discharge pipe 14, gas in the second circulating air pipe 15 is directly discharged to the atmosphere through the second air outlet 18, the temperature sensor 22 is arranged in the inner cavity of the second air outlet 18, the temperature sensor 22 senses the temperature value of the heat gas, when the temperature of the heat gas discharged from the second air outlet 18 is lower than a set range, the second control valve 20 is opened, the heat gas is directly discharged through the air discharge pipe 21, when the temperature of the heat gas discharged from the second circulating air pipe 15 is higher than the set range, the second control valve 20 is closed while the first control valve 19 is opened, at this time, the heat gas is discharged into the inner cavity of the first recovery tank 9 through the connecting pipe 17 for recovery again, cold water is poured into again through first inlet tube 6 toward the inner chamber of first collection box 9, because first circulation trachea 8 is S type pipeline, steam passes through first circulation trachea 8 with heat transfer to aquatic, and it is more even to be convenient for heat the water in first collection box 9, and final steam passes through first exhaust port 7 and discharges, and the hot water is discharged through first drain pipe 11, utilizes the device to carry out abundant recovery with the heat in the steam, and it is extravagant to reduce the energy.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. A thermoelectric waste heat recovery device comprises a bottom plate (5), and is characterized in that: the hot air treatment assembly is installed at the left end of the top of the bottom plate (5), the first recovery box (9) is installed at the right end of the top of the bottom plate (5), a first circulating air pipe (8) is arranged in an inner cavity of the first recovery box (9), a first water inlet pipe (6) and a first water drainage pipe (11) are respectively arranged on the left side wall and the right side wall of the first recovery box (9), a first exhaust port (7) is arranged at the left end of the top of the first recovery box (9), a transition port (10) is arranged at the right end of the top of the first recovery box (9), support columns (12) are vertically arranged at the left end and the right end of the top of the transition port (10), a second recovery box (16) is installed at the tops of the two groups of support columns (12), a second circulating air pipe (15) is arranged in an inner cavity of the second recovery box (16), a second water inlet pipe (23) and a second water drainage pipe (14) are respectively arranged at the upper end and the lower end of the left side wall of the second recovery box (16), the center department of left side wall is provided with controller (24), the bottom of second collection box (16) is provided with air inlet (13), and air inlet (13) are connected with hot gas processing component through air duct (1), the top of second collection box (16) is provided with second gas vent (18), and the left side wall of second gas vent (18) inner chamber is provided with temperature sensor (22), the top of second gas vent (18) is provided with blast pipe (21), the outer wall of blast pipe (21) is provided with second control valve (20), the right-hand member of blast pipe (21) is provided with connecting pipe (17), and connecting pipe (17) are connected with the top of crossing ferry (10), the outer wall of connecting pipe (17) is provided with first control valve (19).

2. The thermoelectric waste heat recovery device of claim 1, wherein: the hot gas treatment component comprises a filter box (2) and a filter component (3), the filter box (2) is located at the left end of the top of the bottom plate (5), the inner cavity of the filter box (2) is provided with the filter component (3), the left end and the right end of the filter component (3) are provided with connecting components (25), the lower end of the left side wall of the filter box (2) is provided with an air inlet pipe (4), the upper end of the right side wall of the filter box (2) is provided with an air duct (1), the filter component (3) comprises an activated carbon adsorption net (301) and a filter net (302), the filter net (302) of the filter component (3) is located at the lower end of the inner cavity of the filter box (2), and the inner cavity of the filter box (2) above the filter net (302) is provided with the activated carbon adsorption net (301).

3. The thermoelectric waste heat recovery device of claim 2, wherein: the front of the filter box (2) is hinged with a glass door (26), and a rubber pad is arranged at the joint of the glass door (26) and the filter box (2).

4. The thermoelectric waste heat recovery device of claim 2, wherein: coupling assembling (25) are including locking bolt (2501), reserve piece (2502) and reserve groove (2503), both ends about reserve piece (2502) of coupling assembling (25) are located activated carbon adsorption net (301) and filter screen (302), lateral wall all is provided with reserve groove (2503) about rose box (2) inner chamber, and is sliding connection between reserve groove (2503) and reserve piece (2502), the equal spiro union in top of reserve groove (2503) has locking bolt (2501), and the inner chamber of reserving piece (2502) is all stretched into to the bottom of locking bolt (2501).

5. The thermoelectric waste heat recovery device of claim 1, wherein: the number of the second circulating air pipes (15) is provided with three groups, the second circulating air pipes (15) are all helical pipelines, and the top and the bottom of each second circulating air pipe (15) are respectively connected with a second air outlet (18) and an air inlet (13).

6. The thermoelectric waste heat recovery device of claim 1, wherein: the first circulating air pipe (8) is an S-shaped pipeline, and the left end and the right end of the first circulating air pipe (8) are respectively connected with the first exhaust port (7) and the transition port (10).