CN216522328U - Boiler waste heat utilization device - Google Patents
Boiler waste heat utilization device Download PDFInfo
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- CN216522328U CN216522328U CN202123318535.8U CN202123318535U CN216522328U CN 216522328 U CN216522328 U CN 216522328U CN 202123318535 U CN202123318535 U CN 202123318535U CN 216522328 U CN216522328 U CN 216522328U
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- heat exchange
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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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The application discloses boiler waste heat utilization equipment, it includes boiler body, heat exchange assemblies and filtering component, heat exchange assemblies include heat exchange water tank and set up in heat exchange tube in the heat exchange water tank, boiler body with the intercommunication has first connecting pipe between the heat exchange water tank, first connecting pipe with the heat exchange tube intercommunication, filtering component includes the rose box, the rose box with the exit end intercommunication of heat exchange tube, be connected with the outlet duct on the rose box, be provided with air outlet valve and first circulating pump on the outlet duct. The method has the effects of improving the heat exchange rate and reducing pollution.
Description
Technical Field
The application relates to the technical field of waste heat utilization, in particular to a boiler waste heat utilization device.
Background
The boiler is an energy conversion device, and chemical energy and heat energy in fuel can be converted into steam, high-temperature water or an organic heat carrier with certain heat energy under the treatment of the boiler.
The boiler can produce a large amount of heat energy at exothermic in-process, and the waste heat recovery of boiler carries out recycle with extravagant heat energy, and the heat of retrieving can be used for heating the low temperature medium, has fuel saving, energy saving, reduction in production cost's effect. The waste heat recovery of the boiler is one of direct means for improving the energy utilization rate, reducing the production cost and protecting the environment.
At present, the boiler waste heat recovery device commonly used is the direct eduction gear of flue gas that will contain impurity after will the preliminary recovery of boiler waste heat, and is incomplete to the recovery degree of waste heat, and can cause the pollution to the environment, and the impurity in the flue gas can harm health simultaneously.
SUMMERY OF THE UTILITY MODEL
In order to improve the heat exchange rate, this application provides a boiler waste heat utilization equipment.
The application provides a boiler waste heat utilization equipment adopts following technical scheme:
the utility model provides a boiler waste heat utilization equipment, includes boiler body, heat exchange assembly and filtering component, heat exchange assembly include heat exchange water tank and set up in heat exchange tube in the heat exchange water tank, the boiler body with the intercommunication has first connecting pipe between the heat exchange water tank, first connecting pipe with the heat exchange tube intercommunication, filtering component includes the rose box, the rose box with the exit end intercommunication of heat exchange tube, be connected with the outlet duct on the rose box, be provided with air outlet valve and first circulating pump on the outlet duct.
Through adopting above-mentioned technical scheme, when the boiler body heats, during steam that produces in the boiler body got into the heat exchange tube through first connecting pipe, steam carried out the heat transfer with the water in the heat exchange water tank in the heat exchange tube. The cooled gas after filtering gets into filtering component and filters, and the gas through filtering is through outlet duct discharge rose box under the effect of first circulating pump. Through mutually supporting of boiler body, heat exchange assembly and filter assembly, realized the recovery to the boiler waste heat, had the effect that improves the heat transfer rate, reduces and pollute.
Optionally, around being equipped with boiler coil on the shell of boiler body, the intercommunication has the second connecting pipe on the rose box, boiler coil's one end with first connecting pipe intercommunication, boiler coil's the other end with the second connecting pipe is kept away from the one end intercommunication of rose box, boiler coil is close to the one end of first connecting pipe is provided with the second circulating pump.
Through adopting above-mentioned technical scheme, retrieve around establishing the heat that gives off at this external boiler coil of boiler to the shell of boiler body, steam in the boiler coil joins with the steam in the first connecting pipe under the effect of second circulating pump, carries out the heat transfer operation in the inflow heat exchange tube.
Optionally, a heat insulation layer is arranged outside the boiler body, and the boiler coil is clamped between the boiler body and the heat insulation layer.
Through adopting above-mentioned technical scheme, the setting up of heat preservation has reduced scattering and disappearing of boiler body shell waste heat, has further strengthened the utilization ratio of waste heat.
Optionally, the heat exchange tubes are arranged in a serpentine shape in the heat exchange water tank.
By adopting the technical scheme, the heat exchange tube is arranged in the heat exchange water tank in a snake shape, so that the tube pass of the heat exchange tube in the heat exchange water tank is lengthened, the heat exchange can be fully carried out, and the utilization rate of waste heat is further improved.
Optionally, one end of the boiler coil pipe close to the first connecting pipe is provided with a check valve.
Through adopting above-mentioned technical scheme, the setting of check valve has avoided the flue gas that has impurity in the first connecting pipe to get into boiler coil, causes boiler coil's jam.
Optionally, a heat exchange plate is arranged in the heat exchange water tank, an opening through which the heat exchange tube passes is formed in the heat exchange plate, and a water passing opening through which water flows is formed in the heat exchange plate.
Through adopting above-mentioned technical scheme, when the heat exchange tube carries out the heat exchange with the water in the heat transfer water tank, the setting of heat transfer board has increased heat transfer area, has improved heat exchange efficiency.
Optionally, a stirring blade is arranged in the heat exchange water tank, and a driving piece for driving the stirring blade to rotate is arranged on the heat exchange water tank.
Through adopting above-mentioned technical scheme, when carrying out the heat transfer, agitator motor starts drive stirring leaf and takes place the rotation, and the water among the heat transfer water tank is through crossing water mouthful convection current under the stirring of stirring leaf for the temperature in the heat transfer water tank is more even.
Optionally, a box door is rotatably connected to the filter box, two limiting strips are arranged on two opposite vertical side walls of the filter box in parallel, limiting grooves are formed in two side faces, close to each other, of the limiting strips, the arrangement direction of the limiting grooves is parallel to the length direction of the limiting strips, a filter plate is arranged in the filter box, and two opposite side edges of the filter plate are inserted into the limiting grooves.
Through adopting above-mentioned technical scheme, after carrying out a period of filtration, operating personnel can open the chamber door, takes out the filter wherein and clears up.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the mutual matching of the boiler body, the heat exchange assembly and the filtering assembly, the recovery of the waste heat of the boiler is realized, and the effects of improving the heat exchange rate and reducing pollution are achieved;
2. due to the arrangement of the one-way valve, the blockage of the boiler coil pipe caused by the fact that the flue gas with impurities in the first connecting pipe enters the boiler coil pipe is avoided;
3. when the heat exchange tube exchanges heat with water in the heat exchange water tank, the heat exchange area is increased due to the arrangement of the heat exchange plate, and the heat exchange efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a boiler waste heat utilization device according to an embodiment of the present application.
FIG. 2 is a schematic structural diagram for embodying a boiler coil in an embodiment of the present application.
Fig. 3 is a left side view for embodying the heat exchange assembly in the embodiment of the present application.
Fig. 4 is a sectional view taken along the line a-a in fig. 3.
Fig. 5 is a schematic structural diagram for embodying the filter assembly in the embodiment of the present application.
Description of reference numerals: 1. a boiler body; 2. a heat exchange assembly; 21. a heat exchange water tank; 22. a heat exchange pipe; 23. a water inlet pipe; 24. a water outlet pipe; 25. a first connecting pipe; 26. a second connecting pipe; 27. a boiler coil; 3. a filter assembly; 31. a filter box; 32. a filter plate; 33. an air outlet pipe; 34. an air outlet valve; 35. a first circulation pump; 36. a box door; 37. a limiting strip; 38. a limiting groove; 4. a second circulation pump; 5. a one-way valve; 6. a heat-insulating layer; 7. a heat exchange plate; 8. a water outlet; 9. a stirring motor; 10. stirring blades; 11. a temperature detector; 12. a hasp is provided.
Detailed Description
The present application is described in further detail below with reference to figures 1-5. The embodiment of the application provides a boiler waste heat utilization equipment, it has the effect that improves the heat transfer rate, reduces and pollute.
Referring to fig. 1, a boiler waste heat utilization device includes a boiler body 1, a heat exchange assembly 2 and a filter assembly 3. The heat exchange assembly 2 comprises a heat exchange water tank 21 and heat exchange tubes 22 arranged in the heat exchange water tank 21, wherein the top end of the heat exchange water tank 21 is provided with a water inlet tube 23, the bottom end of the heat exchange water tank 21 is provided with a water outlet tube 24, and the heat exchange tubes 22 are arranged in the heat exchange water tank 21 in a snake shape. A first connecting pipe 25 is arranged between the boiler body 1 and the heat exchange water tank 21, and the first connecting pipe 25 is communicated with one end of the heat exchange pipe 22. The filtering assembly 3 comprises a filtering tank 31, the filtering tank 31 is communicated with one end of the heat exchange pipe 22 far away from the first connecting pipe 25, an air outlet pipe 33 for exhausting air is communicated on the filtering tank 31, and an air outlet valve 34 and a first circulating pump 35 are arranged on the air outlet pipe 33.
Referring to fig. 1, when the boiler body 1 is heated, hot gas generated in the boiler body 1 enters the heat exchange pipe 22 through the first connection pipe 25, and the hot gas exchanges heat with water in the heat exchange water tank 21 in the heat exchange pipe 22. Because the heat exchange tube 22 is arranged in the heat exchange water tank 21 in a snake shape, the tube pass of the heat exchange tube 22 in the heat exchange water tank 21 is lengthened, so that the heat exchange can be fully carried out, and the utilization rate of waste heat is improved. The cooled gas after heat exchange enters the filter box 31 for filtering to remove impurities in the flue gas, and the filtered gas is discharged through the gas outlet pipe 33.
Referring to fig. 2, the second connecting pipe 26 is connected to the filter box 31, the boiler coil 27 is wound around the casing of the boiler body 1, one end of the boiler coil 27 is communicated with one end of the first connecting pipe 25 close to the heat exchange water tank 21, and the other end of the boiler coil 27 is communicated with one end of the second connecting pipe 26 far away from the filter box 31. The boiler coil 27 is provided with a second circulating pump 4, and the second circulating pump 4 is arranged at one end of the boiler coil 27 close to the first connecting pipe 25. The boiler coil 27 is provided with a check valve 5, and the check valve 5 is arranged on the pipe section of the boiler coil 27 between the second circulating pump 4 and the first connecting pipe 25. The boiler body 1 is provided with a heat insulating layer 6 on the outside thereof, and the boiler coil 27 is sandwiched between the heat insulating layer 6 and the outer shell of the boiler body 1.
Referring to fig. 2, the heat dissipated from the outer shell of the boiler body 1 is recovered around the boiler coil 27 disposed outside the boiler body 1, and the hot gas in the boiler coil 27 is merged with the hot gas in the first connecting pipe 25 by the second circulating pump 4, and flows into the heat exchanging pipe 22 for heat exchange. The provision of the one-way valve 5 prevents the flue gas with impurities in the first connecting pipe 25 from entering the boiler coil 27 and causing blockage of the boiler coil 27. The cooled gas in the filter box 31 enters the boiler coil 27 through the second connection pipe 26 to exchange heat again. The arrangement of the heat-insulating layer 6 reduces the loss of the waste heat and further enhances the utilization rate of the waste heat.
Referring to fig. 3 and 4, two heat exchange plates 7 are vertically arranged in the heat exchange water tank 21, an opening through which the heat exchange tube 22 passes is formed in each heat exchange plate 7, and a water passing hole 8 through which water flows is formed in each heat exchange plate 7. The heat exchange water tank 21 is connected with a stirring motor 9, an output shaft of the stirring motor 9 penetrates through the heat exchange water tank 21 and extends into an inner cavity of the heat exchange water tank, and a stirring blade 10 is connected to an output shaft of the stirring motor 9 in a transmission mode. The inner wall of the heat exchange water tank 21 is connected with a temperature detector 11, and the temperature detector 11 is electrically connected with the control system.
Referring to fig. 4, when the heat exchange pipe 22 exchanges heat with water in the heat exchange water tank 21, the heat exchange plate 7 contacting the heat exchange pipe 22 increases a heat exchange area, improving heat exchange efficiency. When carrying out the heat transfer, agitator motor 9 starts, and stirring leaf 10 takes place the rotation under its drive, and the water in the heat transfer water tank 21 takes place the convection current through crossing mouth of a river 8 under the stirring of stirring leaf 10 for the temperature of water in the heat transfer water tank 21 is more even. The temperature detector 11 detects the temperature of water in the heat exchange water tank 21 in real time, when the temperature of water reaches a preset value, the water in the heat exchange water tank 21 is discharged from the water outlet pipe 24 for use, and low-temperature water is injected from the water inlet pipe 23 for heat exchange, so that the possibility of repeatedly heating the water in the heat exchange water tank 21 is reduced, and the utilization rate of waste heat is further improved.
Referring to fig. 2 and 5, a box door 36 is hinged on the filter box 31, and the box door 36 is connected with the filter box 31 through a buckle 12. Equal fixedly connected with spacing 37 on two relative vertical lateral walls in rose box 31, spacing 38 has been seted up on two faces that spacing 37 is close to each other, and the direction that sets up of spacing 38 is parallel with the length direction of spacing 37. The filter box 31 is horizontally provided with a filter plate 32, the filter plate 32 is inserted between two limit strips 37, and two opposite edges of the filter plate 32 are in sliding fit with the limit grooves 38. The heat exchange tube 22 is connected to the top end of the filter box 31, the air outlet tube 33 is connected to the bottom surface of the filter box 31, and the connection position of the boiler coil 27 and the filter box 31 is located on the side wall of the filter box 31 below the filter plate 32.
Referring to fig. 2 and 5, after a period of filtration, the operator may open the door 36 to remove the filter panels 32 therefrom for cleaning. The cooling gas filtered by the filter plates 32 enters the boiler coil 27 again for heat exchange.
The implementation principle of a boiler waste heat utilization equipment in the embodiment of this application does: when the boiler body 1 heats, hot air generated in the boiler body 1 enters the heat exchange tube 22 through the first connecting tube 25, waste heat generated by the shell of the boiler body 1 is recovered by the boiler coil 27, and the hot air exchanges heat with water in the heat exchange water tank 21 in the heat exchange tube 22. The cooled gas after heat exchange enters the filter box 31 for filtering to remove impurities in the flue gas, and the filtered gas is discharged through the gas outlet pipe 33.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a boiler waste heat utilization equipment which characterized in that: including boiler body (1), heat exchange assembly (2) and filter assembly (3), heat exchange assembly (2) include heat exchange water tank (21) and set up in heat exchange tube (22) in heat exchange water tank (21), boiler body (1) with the intercommunication has first connecting pipe (25) between heat exchange water tank (21), first connecting pipe (25) with heat exchange tube (22) intercommunication, filter assembly (3) include rose box (31), rose box (31) with the exit end intercommunication of heat exchange tube (22), be connected with outlet duct (33) on rose box (31), be provided with air outlet valve (34) and first circulating pump (35) on outlet duct (33).
2. The waste heat utilization device of the boiler as claimed in claim 1, wherein: around being equipped with boiler coil (27) on the shell of boiler body (1), the intercommunication has second connecting pipe (26) on rose box (31), the one end of boiler coil (27) with first connecting pipe (25) intercommunication, the other end of boiler coil (27) with second connecting pipe (26) are kept away from the one end intercommunication of rose box (31), boiler coil (27) are close to the one end of first connecting pipe (25) is provided with second circulating pump (4).
3. The waste heat utilization device of the boiler as claimed in claim 2, wherein: the boiler is characterized in that a heat insulation layer (6) is arranged outside the boiler body (1), and the boiler coil (27) is clamped between the boiler body (1) and the heat insulation layer (6).
4. The waste heat utilization device of the boiler as claimed in claim 1, wherein: the heat exchange tubes (22) are arranged in a snake shape in the heat exchange water tank (21).
5. The waste heat utilization device of the boiler as claimed in claim 2, wherein: one end of the boiler coil (27) close to the first connecting pipe (25) is provided with a one-way valve (5).
6. The waste heat utilization device of the boiler as claimed in claim 4, wherein: a heat exchange plate (7) is arranged in the heat exchange water tank (21), an opening for the heat exchange tube (22) to pass through is formed in the heat exchange plate (7), and a water passing opening (8) for water to flow through is formed in the heat exchange plate (7).
7. The waste heat utilization device of the boiler as claimed in claim 6, wherein: the stirring blades (10) are arranged in the heat exchange water tank (21), and a driving piece for driving the stirring blades (10) to rotate is arranged on the heat exchange water tank (21).
8. The waste heat utilization device of the boiler as claimed in claim 1, wherein: the filter box is characterized in that a box door (36) is rotatably connected to the filter box (31), two limiting strips (37) are arranged on two opposite vertical side walls in the filter box (31) in parallel, limiting grooves (38) are formed in two side faces, close to each other, of the limiting strips (37), the setting direction of the limiting grooves (38) is parallel to the length direction of the limiting strips (37), a filter plate (32) is arranged in the filter box (31), and two opposite side edges of the filter plate (32) are inserted into the limiting grooves (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123318535.8U CN216522328U (en) | 2021-12-25 | 2021-12-25 | Boiler waste heat utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123318535.8U CN216522328U (en) | 2021-12-25 | 2021-12-25 | Boiler waste heat utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216522328U true CN216522328U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123318535.8U Active CN216522328U (en) | 2021-12-25 | 2021-12-25 | Boiler waste heat utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216522328U (en) |
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2021
- 2021-12-25 CN CN202123318535.8U patent/CN216522328U/en active Active
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