CN219346434U - Steam preheater with waste heat recovery function - Google Patents
Steam preheater with waste heat recovery function Download PDFInfo
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- CN219346434U CN219346434U CN202320876714.3U CN202320876714U CN219346434U CN 219346434 U CN219346434 U CN 219346434U CN 202320876714 U CN202320876714 U CN 202320876714U CN 219346434 U CN219346434 U CN 219346434U
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- waste heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model relates to the field of preheater equipment and discloses a steam preheater with a waste heat recovery function, which comprises a base, wherein a shell is fixedly connected to the left rear side of the top of the base, an air inlet pipe is fixedly connected to the left side of the shell, a flue gas inlet pipe is fixedly connected to the top of the shell, an air outlet pipe is fixedly connected to the right side of the shell, a snake-shaped heat exchange pipe is arranged in the shell, one end of the snake-shaped heat exchange pipe is connected with the upper part of the air outlet pipe, one end of the air outlet pipe is fixedly connected with a waste heat recovery box, a heat conducting plate is fixedly connected to the inside of the waste heat recovery box, a fan is fixedly connected to the left side of the top of the base, and an air suction pipe is fixedly connected to the input end of the fan. According to the utility model, through the cooperation among the structures of the shell, the air inlet pipe, the flue gas inlet pipe, the air outlet pipe, the serpentine heat exchange pipe, the air outlet pipe, the waste heat recovery box, the heat conducting plate and the like, the steam preheater can recycle waste heat, and the energy utilization rate is improved.
Description
Technical Field
The utility model relates to the field of preheater equipment, in particular to a steam preheater with a waste heat recovery function.
Background
The preheater is a heating surface which utilizes flue gas in a boiler tail flue to preheat air before entering the boiler to a certain temperature through an internal radiating fin, is used for improving the heat exchange performance of the boiler and reducing energy consumption, is generally called an air preheater, is mainly used for a coal-fired boiler, is generally used in the boiler and is a three-compartment type, a tube plate is a round steel plate with a hole which is slightly bigger than the outer diameter of a tube and is used for fixing the tube and sealing medium in the heat exchanger, and the tube is penetrated and welded to be fixed.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a steam preheater with a waste heat recovery function.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a steam pre-heater with waste heat recovery function, includes the base, base top left side rear side fixedly connected with casing, casing left side fixedly connected with intake pipe, casing top fixedly connected with flue gas advances the pipe, casing right side fixedly connected with outlet duct, the inside snakelike heat exchange tube that is provided with of casing, snakelike heat exchange tube one end links to each other with outlet duct upper portion, outlet duct one end fixedly connected with waste heat recovery case, the inside fixedly connected with heat-conducting plate of waste heat recovery case.
As a further description of the above technical solution:
the novel air conditioner is characterized in that a fan is fixedly connected to the left side of the top of the base, an air suction pipe is fixedly connected to the input end of the fan, one end of the air suction pipe is fixedly connected to the front side of the shell, an air delivery pipe is fixedly connected to the output end of the fan, an exhaust gas treatment box is fixedly connected to one end of the air delivery pipe, and the exhaust gas treatment box is fixedly connected to the top of the base.
As a further description of the above technical solution:
one end of the S-shaped heat exchange tube is connected with the upper part of the air inlet tube, and the air inlet tube and one end inside the air outlet tube shell are in a closed state.
As a further description of the above technical solution:
the right side of the waste heat recovery box is fixedly connected with a water outlet pipe, and the outer side of the water outlet pipe is provided with a valve.
As a further description of the above technical solution:
the water storage tank is fixedly connected to the right front side of the base, and the water pump is arranged on the left side of the water storage tank.
As a further description of the above technical solution:
the water pump is fixedly connected to the top of the base, the water pumping pipe is fixedly connected to the input end of the water pump, and the water delivery pipe is fixedly connected to the output end of the water pump.
As a further description of the above technical solution:
the water pump is connected with the water storage tank through a water suction pipe, and the water pump is connected with the waste heat recovery tank through a water delivery pipe.
The utility model has the following beneficial effects:
1. according to the utility model, through the cooperation among the structures of the shell, the air inlet pipe, the flue gas inlet pipe, the air outlet pipe, the serpentine heat exchange pipe, the air outlet pipe, the waste heat recovery box, the heat conducting plate and the like, the steam preheater can recycle waste heat, and the energy utilization rate is improved.
2. According to the utility model, the steam discharged by the boiler is treated by matching the structures of the base, the fan, the air suction pipe, the waste gas treatment box and the like, so that the harm of particulate matters in the steam discharged by the boiler to the health of staff is prevented, and the emission of air pollution is reduced.
Drawings
Fig. 1 is a perspective view of a steam preheater with a waste heat recovery function according to the present utility model;
fig. 2 is a rear view of a steam preheater with a waste heat recovery function according to the present utility model;
fig. 3 is a schematic diagram of the internal structure of a waste heat recovery box of a steam preheater with waste heat recovery function according to the present utility model;
fig. 4 is a schematic diagram of the internal structure of a steam preheater with a waste heat recovery function according to the present utility model.
Legend description:
1. a base; 2. a housing; 3. a flue gas inlet pipe; 4. an air inlet pipe; 5. an air outlet pipe; 6. serpentine heat exchange tubes; 7. a waste heat recovery box; 8. a heat conductive plate; 9. a water outlet pipe; 10. a valve; 11. an air suction pipe; 12. a blower; 13. a gas pipe; 14. an exhaust gas treatment tank; 15. a water pump; 16. a water pumping pipe; 17. a water pipe; 18. and a water storage tank.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a steam pre-heater with waste heat recovery function, including base 1, base 1 top left rear side fixedly connected with casing 2, support casing 2 through base 1, casing 2 left side fixedly connected with intake pipe 4, fix intake pipe 4 through casing 2, casing 2 top fixedly connected with flue gas advances tub 3, casing 2 right side fixedly connected with outlet duct 5, fix through casing 2 intake pipe 3 and outlet duct 5, casing 2 inside is provided with serpentine heat exchange tube 6, serpentine heat exchange tube 6 one end links to each other with outlet duct 5 upper portion, outlet duct 5 one end fixedly connected with waste heat recovery case 7, waste heat recovery case 7 inside fixedly connected with heat conducting plate 8, when needs retrieve steam pre-heater waste heat, high temperature steam with a large amount of impurity in the boiler afterbody flue is imported casing 2 through flue gas intake pipe 3, open intake pipe 4 one end and make outside air seal intake pipe 4 after entering serpentine heat exchange tube 6 through intake pipe 4, high temperature steam in the boiler afterbody flue carries out heat exchange with the air in serpentine heat exchange tube 6, air in the serpentine heat exchange tube 6 absorbs heat back through outlet duct 5 and is imported 7 bottom 7, waste heat recovery case 7 inside has been realized the waste heat recovery case 7, the waste heat recovery can be carried out the waste heat recovery to the inside has been realized, and the waste heat recovery device has been utilized, and the waste heat recovery has been realized.
The left side of the top of the base 1 is fixedly connected with a fan 12, the input end of the fan 12 is fixedly connected with an air suction pipe 11, one end of the air suction pipe 11 is fixedly connected with the front side of the shell 2, the output end of the fan 12 is fixedly connected with an air delivery pipe 13, one end of the air delivery pipe 13 is fixedly connected with an exhaust gas treatment box 14, when a large amount of impurity vapors need to be treated, the fan 12 is started to enable the air suction pipe 11 at the input end of the fan 12 to operate so as to suck the vapors containing a large amount of impurities in the shell 2 into the fan 12, then the air delivery pipe 13 at the output end of the fan 12 operates so as to input the vapors containing a large amount of impurities into water in the exhaust gas treatment box 14, thereby realizing the treatment of the vapors discharged by a boiler, preventing the harm of the physical health of workers caused by the particulates in the vapors discharged by the boiler, reducing the discharge amount of atmospheric pollution, the exhaust gas treatment box 14 is fixedly connected at the top of the base 1, the waste gas treatment box 14 is supported by the base 1, one end of the serpentine heat exchange tube 6 is connected with the upper part of the air inlet tube 4, one end inside the air inlet tube 4 and the air outlet tube 5 shell 2 is in a closed state, steam is prevented from flowing out of the air inlet tube 4 and the air outlet tube 5, the right side of the waste heat recovery box 7 is fixedly connected with the water outlet tube 9, the valve 10 is arranged on the outer side of the water outlet tube 9, water heated in the waste heat recovery box 7 is discharged by the water outlet tube 9, the water outlet tube 9 is controlled by the valve 10, the water storage tank 18 is fixedly connected with the right front side of the base 1, the water pump 15 is arranged on the left side of the water storage tank 18, the water pump 15 is fixedly connected with the top of the base 1, the input end of the water pump 15 is fixedly connected with the water suction tube 16, the output end of the water pump 15 is fixedly connected with the water delivery tube 17 through the water suction tube 16 and the water storage tank 18, the water pump 15 is connected with the waste heat recovery box 7 through the water delivery tube 17, the water in the water storage tank 18 is pumped into the water pump 15 through the water pumping pipe 16 at the input end of the water pump 15, and then is input into the waste heat recovery tank 7 for heating through the water delivery pipe 17.
Working principle: when waste heat of the steam preheater is required to be recovered, high-temperature steam in a tail flue of the boiler is input into the shell 2 through the flue gas inlet pipe 3, one end of the air inlet pipe 4 is opened to enable external air to enter the serpentine heat exchange pipe 6 through the air inlet pipe 4, then the air in the serpentine heat exchange pipe 6 exchanges heat with air in the serpentine heat exchange pipe 6, the air in the serpentine heat exchange pipe 6 absorbs heat and then is input into the inner bottom of the waste heat recovery box 7 through the air outlet pipe 5, water in the waste heat recovery box 7 is heated through the heat conducting plate 8 in the waste heat recovery box 7, the steam preheater can recycle the waste heat, the utilization rate of energy sources is improved, when the steam with a large amount of impurities is required to be treated, the air suction pipe 11 at the input end of the air suction pipe 12 is started to operate the air suction fan 12 for sucking the steam with a large amount of impurities in the shell 2, and the air delivery pipe 13 at the output end of the air suction fan 12 is operated to input the steam with the water in the waste gas treatment box 14, so that the steam discharged by the boiler is treated, the waste heat recovery box 7 is prevented from being harmful to the working personnel, and the body is reduced.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a steam pre-heater with waste heat recovery function, includes base (1), its characterized in that: base (1) top left side rear side fixedly connected with casing (2), casing (2) left side fixedly connected with intake pipe (4), casing (2) top fixedly connected with flue gas advances tub (3), casing (2) right side fixedly connected with outlet duct (5), casing (2) inside is provided with snakelike heat exchange tube (6), snakelike heat exchange tube (6) one end links to each other with outlet duct (5) upper portion, outlet duct (5) one end fixedly connected with waste heat recovery case (7), waste heat recovery case (7) inside fixedly connected with heat conduction plate (8).
2. A steam preheater with waste heat recovery function according to claim 1, wherein: the novel air conditioner is characterized in that a fan (12) is fixedly connected to the left side of the top of the base (1), an air suction pipe (11) is fixedly connected to the input end of the fan (12), one end of the air suction pipe (11) is fixedly connected to the front side of the shell (2), an air delivery pipe (13) is fixedly connected to the output end of the fan (12), an exhaust gas treatment box (14) is fixedly connected to one end of the air delivery pipe (13), and the exhaust gas treatment box (14) is fixedly connected to the top of the base (1).
3. A steam preheater with waste heat recovery function according to claim 1, wherein: one end of the snakelike heat exchange tube (6) is connected with the upper part of the air inlet tube (4), and the air inlet tube (4) and one end inside the shell (2) of the air outlet tube (5) are in a closed state.
4. A steam preheater with waste heat recovery function according to claim 1, wherein: the right side of the waste heat recovery box (7) is fixedly connected with a water outlet pipe (9), and a valve (10) is arranged on the outer side of the water outlet pipe (9).
5. A steam preheater with waste heat recovery function according to claim 1, wherein: the water storage device is characterized in that a water storage tank (18) is fixedly connected to the right front side of the base (1), and a water pump (15) is arranged on the left side of the water storage tank (18).
6. A steam preheater with waste heat recovery function according to claim 5, wherein: the water pump (15) is fixedly connected to the top of the base (1), the water suction pipe (16) is fixedly connected to the input end of the water pump (15), and the water delivery pipe (17) is fixedly connected to the output end of the water pump (15).
7. A steam preheater with waste heat recovery function according to claim 5, wherein: the water pump (15) is connected with the water storage tank (18) through the water suction pipe (16), and the water pump (15) is connected with the waste heat recovery tank (7) through the water delivery pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320876714.3U CN219346434U (en) | 2023-04-19 | 2023-04-19 | Steam preheater with waste heat recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320876714.3U CN219346434U (en) | 2023-04-19 | 2023-04-19 | Steam preheater with waste heat recovery function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219346434U true CN219346434U (en) | 2023-07-14 |
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ID=87099643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320876714.3U Active CN219346434U (en) | 2023-04-19 | 2023-04-19 | Steam preheater with waste heat recovery function |
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| Country | Link |
|---|---|
| CN (1) | CN219346434U (en) |
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2023
- 2023-04-19 CN CN202320876714.3U patent/CN219346434U/en active Active
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