CN218717030U - Exhaust heat recovery device - Google Patents
Exhaust heat recovery device Download PDFInfo
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- CN218717030U CN218717030U CN202223209272.1U CN202223209272U CN218717030U CN 218717030 U CN218717030 U CN 218717030U CN 202223209272 U CN202223209272 U CN 202223209272U CN 218717030 U CN218717030 U CN 218717030U
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Abstract
The utility model relates to a heat recovery technical field discloses an exhaust heat recovery unit, connect through communicating pipe between heat transfer case and the purifying box, the tank tower upper end of purifying box is connected with end cover, the inside heat recovery mechanism that is provided with of tank tower of heat transfer case, the inside of purifying box is provided with gas cleaning mechanism. The utility model discloses a heat exchange coil pipe and the combination of cup jointing of hot-blast section of thick bamboo in the heat recovery mechanism, under the spiral guide of helical structure guide plate, can make steam turbine waste heat and cold water carry out omnidirectional heat transfer heating work, can improve hot-blast heat transfer area with cold water in the aspect of the one of which, on the other hand can improve the continuity of waste heat transfer, and the flue gas through flue gas purification mechanism filters, purify, can be to the smoke and dust in the waste heat, micromolecule materials such as oil gas carry out real-time filtration purification, can improve the purification and drainage cleanliness factor of flue gas in the aspect of the one of which, on the other hand has simple convenient dismouting performance.
Description
Technical Field
The utility model relates to a heat recovery technical field specifically is an exhaust heat recovery unit.
Background
In the process of generating power by burning fuel by a steam turbine, more heat is discharged along with an exhaust system of a power plant, hot gas generated by combustion is directly discharged, and not only is the consumption of energy sources caused by environmental pollution, but also the waste is caused, so that the heat recovery of the steam turbine is particularly important, as shown in the prior art:
through the retrieval, chinese patent network discloses a steam turbine exhaust heat recovery unit (public announcement No. CN 217152049U), this kind of device is through linking to each other the gas vent with the steam turbine with the gas-supply pipe, waste gas discharges in gas-supply pipe and the air-out fill, the heat through waste gas heats the inside cold water of water tank, water after the heating can supply staff daily use, reach resources are saved's purpose, simultaneously through setting up purifying box and filter screen, can carry out purification treatment to the waste gas after utilizing, prevent that waste gas from directly discharging and causing the pollution in the air. However, the heat recovery device adopted in the above-mentioned patent publications and the existing market places has some disadvantages: the mode of conveying and discharging hot air by using the combination of the air conveying pipe and the air outlet hopper has limited heat exchange area with cold water in the water tank, is only limited to heating and heat exchange of the bottom of the water tank, and has low heating efficiency on the cold water. Accordingly, those skilled in the art have provided an exhaust heat recovery apparatus to solve the problems set forth in the above background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an exhaust heat recovery device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: a kind of exhaust steam heat recovery unit, including heat exchange box and purified box, connect through communicating pipe between purified box and the said heat exchange box, the upper end of the box frame of the said purified box connects with the end cap of the seal, there are heat recovery mechanisms in the box frame of the said heat exchange box, there are fume cleaning mechanisms in the said purified box;
the heat recovery mechanism comprises an assembly support arranged in a heat exchange box frame, hot air cylinders are symmetrically arranged on two sides of the frame of the assembly support, the hot air cylinders are communicated in series through guide air cylinders, a heat exchange coil is clamped in the hot air cylinders in a penetrating manner, and a guide plate is arranged between the hot air cylinders and the heat exchange coil;
flue gas purification mechanism puts the support including hanging at the inside hanging of purifying box, the armed lever top of hanging the support is provided with lifts by crane the couple, and hangs the armed lever outside symmetry cover of putting the support and be equipped with three groups and bear the weight of the wire frame, three groups the frame top of bearing the weight of the wire frame has been from last to having placed dustproof straining a section of thick bamboo, purifying and straining a section of thick bamboo, adsorbing and straining a section of thick bamboo down in proper order.
As a further aspect of the present invention: and a heat insulation liner is wrapped between the heat exchange box and the heat recovery mechanism, and the heat insulation liner is a polyurethane component.
As the utility model discloses further scheme again: the bottom end of the cylinder channel of the hot air cylinder is connected with a hot air valve port at the position right opposite to the air inlet end, and the top end of the cylinder channel of the hot air cylinder is connected with a cold air valve port at the position right opposite to the air outlet end.
As the utility model discloses further scheme again: the heat exchange coil is of a U-shaped tube structure, and the guide plate is of a spiral structure.
As a further aspect of the present invention: the liquid inlet end of the heat exchange coil is connected with the water inlet valve port, and the liquid outlet end of the heat exchange coil is connected with the water outlet valve port.
As a further aspect of the present invention: the top end of the box frame of the purification box is connected with an air inlet valve port, and the bottom end of the box frame of the purification box is connected with an exhaust valve port.
As a further aspect of the present invention: the dustproof filter cylinder is made of an HEPA material component, the purification filter cylinder is made of a filter cotton material component, and the adsorption filter cylinder is made of an activated carbon material component.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a heat transfer coil pipe and the combination of cup jointing of hot-blast section of thick bamboo in the heat recovery mechanism, under the spiral guide of helical structure guide plate, can make steam turbine waste heat and cold water carry out omnidirectional heat transfer heating work, can improve the heat transfer area of hot-blast and cold water in the one of which, strengthen heat exchange efficiency, on the other hand can improve the continuity of waste heat transfer, make the work of heating that carries on that cold water lasts.
2. The utility model discloses after utilizing the waste heat to finish cold water heating, through smoke filtration, purification of flue gas purification mechanism, can carry out real-time filtration purification to micromolecular materials such as smoke and dust in the waste heat, oil gas, the clean nature of the purification row that can improve the flue gas in one aspect of it, on the other hand has simple convenient dismouting performance, and the staff of can being convenient for regularly cleans, changes and strains a section of thick bamboo.
Drawings
FIG. 1 is a schematic structural view of an exhaust heat recovery apparatus;
FIG. 2 is a schematic plan view of an exhaust heat recovery device;
FIG. 3 is a schematic structural view of a heat recovery mechanism in the exhaust heat recovery apparatus;
FIG. 4 is a schematic view showing the internal structure of a heat recovery mechanism in the exhaust heat recovery apparatus;
fig. 5 is a schematic structural view of a flue gas purification mechanism in an exhaust heat recovery device.
In the figure: 1. a heat exchange box; 2. a purification box; 3. a communicating pipe; 4. sealing the end cap; 5. a hot gas valve port; 6. an exhaust valve port; 7. a water inlet valve port; 8. a drain valve port; 9. a thermally insulating liner; 10. a hot air cylinder; 11. a heat exchange coil; 12. a cold air valve port; 13. an air inlet valve port; 14. a dust-resistant filter cartridge; 15. a purification cartridge; 16. an adsorption filter cartridge; 17. assembling a bracket; 18. a guide air duct; 19. a baffle; 20. hoisting the bracket; 21. lifting the hook; 22. and bearing the net frame.
Detailed Description
Please refer to fig. 1-5, in the embodiment of the utility model, an exhaust heat recovery device, including heat transfer case 1 and purifying box 2, connect through communicating pipe 3 between heat transfer case 1 and the purifying box 2, the tank tower upper end of purifying box 2 is connected with end cover 4, the inside heat recovery mechanism that is provided with of tank tower of heat transfer case 1, the parcel has thermal-insulated liner 9 between heat transfer case 1 and the heat recovery mechanism, thermal-insulated liner 9 adopts polyurethane material component, when utilizing heat recovery device to steam turbine machinery steam heat to retrieve, when steam circulation to heat recovery mechanism is inside, through thermal-insulated liner 9 of establishing the polyurethane material at its outside parcel cover, can avoid heat to spread outward, make heat and cold water keep efficient heat transfer work.
The heat recovery mechanism comprises an assembly support 17 installed inside a box frame of a heat exchange box 1, hot air cylinders 10 are symmetrically arranged on two sides of a frame of the assembly support 17, the hot air cylinders 10 are communicated with each other through a diversion air cylinder 18, a heat exchange coil 11 is arranged inside the hot air cylinders 10 in a penetrating and clamping mode, a diversion plate 19 is arranged between the hot air cylinders 10 and the heat exchange coil 11, a hot air valve port 5 is connected to the position of an air inlet end just at the bottom end of a cylinder passage of the hot air cylinders 10, a cold air valve port 12 is connected to the position of an air outlet end just at the top end of the cylinder passage of the hot air cylinders 10, the heat exchange coil 11 is of a U-shaped pipe structure, the diversion plate 19 is of a spiral structure, mechanical hot air of the steam turbine is recycled by using a heat recovery device, mechanical hot air is pressed into the hot air cylinders 10 through the hot air valve port 5 by using an air pump device, when hot air circulates in the hot air cylinders 10, the spiral diversion plate 19 of the spiral structure conducts spiral diversion on the hot air, long time of the hot air circulation in order to prolong the hot air circulation of the hot air, and then, in the spiral circulation process, heat exchange work is conducted with the heat exchange coil 11 of the U-shaped pipe structure.
The liquid inlet end of the heat exchange coil 11 is connected with the water inlet valve port 7, the liquid outlet end of the heat exchange coil 11 is connected with the water discharge valve port 8, in the process of heat exchange of mechanical hot gas of the steam turbine, cold water is pumped into the heat exchange coil 11 through the water inlet valve port 7 by utilizing water pump equipment, heat exchange work is carried out with the mechanical hot gas, then hot water after heat exchange is circularly discharged through the water discharge valve port 8, and the heated water can be daily used by workers, so that the purpose of saving resources is achieved.
The internal of the purifying box 2 is provided with a flue gas purifying mechanism, the flue gas purifying mechanism comprises a hanging bracket 20 hung in the purifying box 2, the top end of an arm rod of the hanging bracket 20 is provided with a hanging hook 21, three groups of bearing net frames 22 are symmetrically sleeved outside the arm rod of the hanging bracket 20, a dustproof filter cartridge 14, a purifying filter cartridge 15 and an adsorption filter cartridge 16 are sequentially placed above a frame of the three groups of bearing net frames 22 from top to bottom, the top end of the frame of the purifying box 2 is connected with an air inlet valve port 13, the bottom end of the frame of the purifying box 2 is connected with an exhaust valve port 6, the dustproof filter cartridge 14 is made of HEPA material, the purifying filter cartridge 15 is made of filter cotton material, the adsorption filter cartridge 16 is made of active carbon material, the heat of steam turbine is recycled by a heat recycling device, the waste gas after heat exchange is discharged through an air conditioning valve port 12, a communicating pipe 3, the air inlet 13 is pressurized and fed into the purifying box 2, the waste gas is pressurized and circulated in the purifying box 2, the clean filter cartridge 14, the purification filter cartridge 15, the waste gas is periodically replaced by the hanging hook 21, the purification filter cartridge is replaced by the hanging hook, the purification filter cartridge 4, and the purification filter cartridge is periodically replaced by the lifting hook, and the purification device.
The utility model discloses a theory of operation is: in the process of recycling the heat of the steam turbine machinery hot gas by using a heat recycling device, the mechanical hot gas is pressurized and conveyed into the hot air cylinder 10 through the hot gas valve port 5 by using the air pump device, when the hot gas circulates in the hot air cylinder 10, the spiral flow guide plate 19 of the spiral structure performs spiral flow guide on the hot gas so as to prolong the circulation duration of the hot gas in the hot air cylinder 10, then the hot gas performs heat exchange with the heat exchange coil 11 of the U-shaped pipe structure in the spiral circulation process, cold water is synchronously pumped into the heat exchange coil 11 through the water inlet valve port 7 by using the water pump device to perform heat exchange with the mechanical hot gas, then hot water after heat exchange is circularly discharged through the water discharge valve port 8, and the heated water can be used by working personnel daily, the purpose of saving resources is achieved, waste gas after heat exchange is discharged through the cold air valve port 12 and is pressurized and conveyed into the purification box 2 through the communicating pipe 3 and the air inlet valve port 13, in the process of pressurized conveying and circulation of the waste gas in the purification box 2, the waste gas sequentially passes through the HEPA dust-proof filter cartridge 14, the filter cotton purification filter cartridge 15 and the activated carbon adsorption filter cartridge 16 to perform dust removal, defogging, purification and deodorization adsorption work, then the clean waste gas after filtration and purification is circularly discharged through the exhaust valve port 6, and when three groups of filter cartridges need to be periodically cleaned and replaced, the sealing end cover 4 is only required to be opened, lifting equipment is adopted to be hung with the lifting hook 21, the three groups of filter cartridges are taken out through the lifting support 20 to perform periodic cleaning and replacement work.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The exhaust steam heat recovery device comprises a heat exchange box (1) and a purification box (2), and is characterized in that the heat exchange box (1) and the purification box (2) are connected through a communicating pipe (3), the upper end of a box frame of the purification box (2) is connected with a sealing end cover (4), a heat recovery mechanism is arranged inside the box frame of the heat exchange box (1), and a flue gas purification mechanism is arranged inside the purification box (2);
the heat recovery mechanism comprises an assembly support (17) arranged in a box frame of the heat exchange box (1), hot air cylinders (10) are symmetrically arranged on two sides of a frame of the assembly support (17), the hot air cylinders (10) are communicated with each other through guide air ducts (18), heat exchange coil pipes (11) are inserted and clamped in the hot air cylinders (10), and guide plates (19) are arranged between the hot air cylinders (10) and the heat exchange coil pipes (11);
flue gas purification mechanism puts support (20) including hanging at the inside lifting of purifying box (2), the armed lever top of hanging support (20) is provided with and lifts by crane couple (21), and the armed lever outside symmetry cover of hanging support (20) is equipped with three bearing net frames of group (22), three groups the frame top of bearing net frame (22) has been placed dustproof straining cartridge (14), purification straining cartridge (15), adsorption straining cartridge (16) from last to having down in proper order.
2. The exhaust steam heat recovery device according to claim 1, wherein a heat insulation lining (9) is wrapped between the heat exchange box (1) and the heat recovery mechanism, and the heat insulation lining (9) is made of a polyurethane component.
3. The exhaust steam heat recovery device according to claim 1, wherein the hot air port (5) is connected to the bottom end of the duct of the hot air duct (10) at a position opposite to the air inlet end, and the cold air port (12) is connected to the top end of the duct of the hot air duct (10) at a position opposite to the air outlet end.
4. The exhaust heat recovery device according to claim 1, wherein the heat exchange coil (11) has a U-shaped tube structure, and the baffle plate (19) has a spiral structure.
5. The exhaust steam heat recovery device according to claim 1, wherein the inlet end of the heat exchange coil (11) is connected with the inlet valve port (7), and the outlet end of the heat exchange coil (11) is connected with the outlet valve port (8).
6. The exhaust heat recovery device according to claim 1, wherein the top end of the frame of the purification box (2) is connected with an inlet valve port (13), and the bottom end of the frame of the purification box (2) is connected with an outlet valve port (6).
7. The exhaust steam heat recovery device according to claim 1, wherein the dustproof filter cartridge (14) is made of HEPA material, the purification filter cartridge (15) is made of filter cotton material, and the adsorption filter cartridge (16) is made of activated carbon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223209272.1U CN218717030U (en) | 2022-12-01 | 2022-12-01 | Exhaust heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223209272.1U CN218717030U (en) | 2022-12-01 | 2022-12-01 | Exhaust heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218717030U true CN218717030U (en) | 2023-03-24 |
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ID=85625219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223209272.1U Active CN218717030U (en) | 2022-12-01 | 2022-12-01 | Exhaust heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218717030U (en) |
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2022
- 2022-12-01 CN CN202223209272.1U patent/CN218717030U/en active Active
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