CN214664540U - Boiler flue gas waste heat recovery device - Google Patents
Boiler flue gas waste heat recovery device Download PDFInfo
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- CN214664540U CN214664540U CN202120681827.9U CN202120681827U CN214664540U CN 214664540 U CN214664540 U CN 214664540U CN 202120681827 U CN202120681827 U CN 202120681827U CN 214664540 U CN214664540 U CN 214664540U
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- waste heat
- heat recovery
- flue gas
- recovery device
- gas inlet
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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 utility model discloses a boiler flue gas waste heat recovery device, which comprises a waste heat recovery box, wherein a flue gas inlet is arranged at the middle position of the lower end of the waste heat recovery box, a flue gas outlet is correspondingly arranged at the middle position of the upper end of the waste heat recovery box, and condensate pipes which are transversely arranged are arranged on the left side wall and the right side wall of the waste heat recovery box; the two sides of the flue gas inlet at the lower end of the waste heat recovery tank are correspondingly provided with supporting rods, and the supporting rods are arranged around the flue gas inlet. In this device high thermal flue gas entered into waste heat recovery incasement from the bottom, then the corresponding comdenstion water that has passes through in the comdenstion water pipe, the comdenstion water takes place the heat exchange with the flue gas, with the heat transfer in the flue gas to the comdenstion water, thereby the comdenstion water pipe is provided with a plurality ofly from top to bottom in the waste heat recovery incasement to crisscross interval sets up from top to bottom, the flue gas just so can fully accomplish the heat transfer with the condensing, heat exchange efficiency increases substantially, heat transfer quality also corresponding improvement, can fully retrieve the waste heat.
Description
Technical Field
The utility model relates to an environmental protection science and technology, energy recovery technical field, a boiler flue gas waste heat recovery device specifically says so.
Background
In the prior art, the temperature of the flue gas discharged by a boiler is higher, the energy utilization is insufficient, and more heat energy is wasted when the flue gas is directly discharged, so that the waste of energy resources is caused; the device capable of absorbing heat of boiler flue gas in the prior art generally sets up flue gas tank and cold water tank adjacent setting, absorbs the heat of flue gas in the flue gas tank through the cold water in the cold water tank, shifts the heat to the cold water tank in to realize waste heat recovery, but the waste heat recovery device of this kind of form needs cold water longer with the time that the flue gas contacted, and the heat transfer quality is relatively poor, and efficiency is lower, completion waste heat recovery that can not be fine.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: aiming at the defects existing in the prior art, the boiler flue gas waste heat recovery device is provided.
The technical scheme is as follows: in order to realize the purpose of the utility model, the utility model discloses a technical scheme as follows: a boiler flue gas waste heat recovery device comprises a waste heat recovery box, wherein a flue gas inlet is formed in the middle position of the lower end of the waste heat recovery box, a flue gas outlet is correspondingly formed in the middle position of the upper end of the waste heat recovery box, and condensate pipes which are transversely arranged are arranged on the left side wall and the right side wall of the waste heat recovery box; two sides of a flue gas inlet at the lower end of the waste heat recovery tank are correspondingly provided with support rods, the support rods are arranged around the flue gas inlet, the upper end of each support rod is also provided with a circular baffle, and the outer diameter of each circular baffle is larger than that of the flue gas inlet; the waste heat recovery case the top still install one row of shower, the both sides of shower stretch out from the both sides wall of waste heat recovery case, be located the shower of waste heat recovery incasement portion and be provided with the mouth that sprays, the lower extreme both sides of waste heat recovery case are corresponding again and are installed the outlet pipe.
Preferably, both sides of the lower end of the waste heat recovery tank are arranged to be inclined slope structures which are inclined downwards from inside to outside, the water outlet pipe is arranged at the bottom of the slope, and the water outlet pipe is provided with an electromagnetic valve.
Preferably, the edge part of the circular baffle is also provided with an inclined slope structure which inclines outwards and downwards, and the inclined slope structure on the circular baffle is arranged in parallel with the inclined slope structure at the lower end of the waste heat recovery box body.
Preferably, the condensate pipes in the waste heat recovery tank are uniformly arranged at intervals in an up-and-down staggered manner; and the condensed water pipes are at least provided with ten groups from top to bottom.
Preferably, the lower end of the waste heat recovery tank is provided with four support rods, and the entering smoke passes through the gaps of the support rods.
Preferably, the uppermost end of the waste heat recovery tank is provided with four spray pipes, and eight spray ports on each spray pipe are uniformly arranged at intervals.
Has the advantages that: compared with the prior art, the utility model, have following advantage:
(1) in the device, a condensate pipe is transversely arranged in a waste heat recovery box, a flue gas inlet is arranged at the bottom of the waste heat recovery box, a flue gas outlet is arranged at the upper end of the waste heat recovery box, so that high-heat flue gas enters the waste heat recovery box from the bottom of the waste heat recovery box, condensate water correspondingly passes through the condensate pipe, the condensate water exchanges heat with the flue gas to transfer the heat in the flue gas into the condensate water, and a plurality of condensate pipes are arranged in the waste heat recovery box in an up-and-down staggered and spaced manner, so that the flue gas can fully complete heat exchange with a condensing mode, the heat exchange efficiency is greatly increased, the heat exchange quality is correspondingly improved, and waste heat can be fully recovered;
(2) in the device, the supporting rod is arranged on the periphery of the flue gas inlet at the bottom of the waste heat recovery tank, the circular baffle is arranged on the supporting rod, the outer diameter of the circular baffle is larger, and the flue gas inlet below the circular baffle is blocked, so that the entering flue gas can be upwards dispersed into the waste heat recovery tank from the outer side, the flue gas can be correspondingly dispersed, the flue gas is more uniform, and the heat exchange efficiency is increased;
(3) the device is also provided with a spray pipe at the uppermost end of the waste heat recovery tank, the spray pipe is provided with a spray port, and the spray pipe is arranged for spraying to flush away particles such as smoke dust in the smoke due to the existence of more smoke dust in the smoke; on the other hand, after the contact time of the flue gas and the condensate pipe is long, a layer of smoke dust is formed on the condensate pipe, so that heat exchange is influenced greatly, and after the flue gas is sprayed by the spray pipe, the smoke dust on the condensate pipe can be removed, so that the heat exchange is not influenced;
(4) circular baffle in this device can also block the water that the top shower sprayed down, prevents that water from falling into the flue gas import to all set up circular baffle's edge and waste heat recovery case's lower extreme into slope body structure in this device, this kind of water falls into both sides and can follow the outlet pipe and discharge, convenience very.
Drawings
FIG. 1 is a view of the structure of the present invention;
fig. 2 is a structure diagram of the condensate pipe arrangement.
Detailed Description
The present invention will be further clarified by the following embodiments with reference to the attached drawings, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.
As shown in fig. 1 and 2, a boiler flue gas waste heat recovery device comprises a waste heat recovery tank 1, a flue gas inlet 2 is arranged at the middle position of the lower end of the waste heat recovery tank 1, a flue gas outlet 3 is correspondingly arranged at the middle position of the upper end of the waste heat recovery tank 1, and condensate pipes 4 which are transversely arranged are arranged on the left side wall and the right side wall of the waste heat recovery tank 1; two sides of the flue gas inlet 2 at the lower end of the waste heat recovery tank 1 are correspondingly provided with support rods 5, the support rods 5 are arranged around the flue gas inlet 2, the upper end of each support rod 5 is also provided with a circular baffle 6, and the outer diameter of each circular baffle 6 is larger than that of the flue gas inlet 2; the uppermost end of the waste heat recovery tank 1 is also provided with a row of spray pipes 7, two sides of each spray pipe 7 extend out of two side walls of the waste heat recovery tank 1, the spray pipes 7 positioned in the waste heat recovery tank 1 are provided with spray openings 8, and two sides of the lower end of the waste heat recovery tank 1 are correspondingly provided with water outlet pipes 9.
The two sides of the lower end of the waste heat recovery tank 1 are provided with an inclined slope structure 10 which inclines downwards from inside to outside, the water outlet pipe 9 is arranged at the bottom of the slope, and the electromagnetic valve 11 is arranged on the water outlet pipe 9.
The edge part of the circular baffle 6 is also provided with an inclined slope structure 10 which inclines outwards and downwards, and the inclined slope structure 10 on the circular baffle 6 is arranged in parallel with the inclined slope structure 10 at the lower end of the waste heat recovery tank 1.
The condensate pipes 4 in the waste heat recovery tank 1 are arranged evenly at intervals in an up-and-down staggered manner; and the condensate pipes 4 are at least provided with ten groups from top to bottom; the lower end of the waste heat recovery box 1 is provided with four support rods 5, and the entering smoke passes through the gaps of the support rods 5.
The uppermost end of the waste heat recovery tank 1 is provided with four spray pipes 7, and the spray openings 8 on each spray pipe 7 are provided with eight spray pipes with even intervals.
The interior condensate pipe that transversely is provided with of waste heat recovery incasement in this device, the bottom is provided with the flue gas import, the upper end is provided with the exhanst gas outlet, high thermal flue gas enters into the waste heat recovery incasement from the bottom like this, then it has the comdenstion water to pass through correspondingly in the comdenstion water pipe, the comdenstion water takes place the heat exchange with the flue gas, heat transfer to the comdenstion water in the flue gas, thereby the condensate pipe is provided with a plurality ofly from top to bottom in the waste heat recovery incasement, and crisscross interval setting from top to bottom, the flue gas just can fully accomplish the heat transfer with the condensing, heat exchange efficiency increases substantially, heat transfer quality also correspondingly improves, can fully retrieve the waste heat.
The periphery of the flue gas inlet of the bottom of the waste heat recovery box in the device is provided with the supporting rod, the circular baffle is installed on the supporting rod, the outer diameter of the circular baffle is large, the flue gas inlet below the circular baffle is blocked, the flue gas entering the circular baffle can be upwards dispersed into the waste heat recovery box from the outer side, the flue gas can be correspondingly dispersed, the flue gas is more uniform, and the heat exchange efficiency is increased.
The device is also provided with a spray pipe at the uppermost end of the waste heat recovery tank, the spray pipe is provided with a spray port, and the spray pipe is arranged for spraying to flush away particles such as smoke dust in the smoke due to the existence of more smoke dust in the smoke; on the other hand, after the contact time of the flue gas and the condensed water pipe is prolonged, a layer of smoke dust is formed on the condensed water pipe, so that heat exchange can be influenced very much, and after the flue gas is sprayed through the spray header, the smoke dust on the condensed water pipe can be removed, so that the heat exchange cannot be influenced.
Circular baffle in this device can also block the water that the top shower sprayed down, prevents that water from falling into the flue gas import to all set up circular baffle's edge and waste heat recovery case's lower extreme into slope body structure in this device, this kind of water falls into both sides and can follow the outlet pipe and discharge, convenience very.
The detailed description is to be construed as exemplary only and is not intended to limit the scope of the invention, which is defined by the appended claims, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. The utility model provides a boiler flue gas waste heat recovery device which characterized in that: the waste heat recovery device comprises a waste heat recovery box (1), wherein a flue gas inlet (2) is formed in the middle position of the lower end of the waste heat recovery box (1), a flue gas outlet (3) is correspondingly formed in the middle position of the upper end of the waste heat recovery box, and condensate pipes (4) which are transversely arranged are mounted on the left side wall and the right side wall of the waste heat recovery box (1); two sides of a flue gas inlet (2) at the lower end of the waste heat recovery tank (1) are correspondingly provided with support rods (5), the support rods (5) are arranged around the flue gas inlet (2), the upper end of each support rod (5) is also provided with a circular baffle (6), and the outer diameter of each circular baffle (6) is larger than that of the flue gas inlet (2); the uppermost end of waste heat recovery case (1) still install one row of shower (7), the both sides of shower (7) are stretched out from the both sides wall of waste heat recovery case (1), are located and are provided with on shower (7) of waste heat recovery case (1) inside and spray mouth (8), and outlet pipe (9) are correspondingly installed again to the lower extreme both sides of waste heat recovery case (1).
2. The boiler flue gas waste heat recovery device according to claim 1, characterized in that: the waste heat recovery tank is characterized in that two sides of the lower end of the waste heat recovery tank (1) are arranged to be inclined slope structures (10) which are inclined downwards from inside to outside, a water outlet pipe (9) is installed at the bottom of a slope, and an electromagnetic valve (11) is installed on the water outlet pipe (9).
3. The boiler flue gas waste heat recovery device according to claim 2, characterized in that: the edge part of the circular baffle (6) is also provided with an inclined slope structure (10) which inclines downwards outwards, and the inclined slope structure (10) on the circular baffle (6) is arranged in parallel with the inclined slope structure (10) at the lower end of the waste heat recovery box (1).
4. The boiler flue gas waste heat recovery device according to claim 1, characterized in that: the condensate pipes (4) in the waste heat recovery tank (1) are uniformly arranged at intervals in an up-down staggered manner; and the condensed water pipes (4) are at least provided with ten groups from top to bottom.
5. The boiler flue gas waste heat recovery device according to claim 1, characterized in that: the lower end of the waste heat recovery box (1) is provided with four support rods (5), and the entering smoke passes through the gaps of the support rods (5).
6. The boiler flue gas waste heat recovery device according to claim 1, characterized in that: the uppermost end of the waste heat recovery tank (1) is provided with four spray pipes (7), and the spray openings (8) on each spray pipe (7) are provided with eight spray pipes with even intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120681827.9U CN214664540U (en) | 2021-04-02 | 2021-04-02 | Boiler flue gas waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120681827.9U CN214664540U (en) | 2021-04-02 | 2021-04-02 | Boiler flue gas waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214664540U true CN214664540U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120681827.9U Active CN214664540U (en) | 2021-04-02 | 2021-04-02 | Boiler flue gas waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214664540U (en) |
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2021
- 2021-04-02 CN CN202120681827.9U patent/CN214664540U/en active Active
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