CN216481072U - Small flue gas waste heat recovery device with adjustable heat exchange surface - Google Patents
Small flue gas waste heat recovery device with adjustable heat exchange surface Download PDFInfo
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- CN216481072U CN216481072U CN202123295571.7U CN202123295571U CN216481072U CN 216481072 U CN216481072 U CN 216481072U CN 202123295571 U CN202123295571 U CN 202123295571U CN 216481072 U CN216481072 U CN 216481072U
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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 provides a small flue gas waste heat recovery device with an adjustable heat exchange surface, which relates to the technical field of flue gas waste heat recovery, and comprises a cooling liquid providing module and a heat exchange module, wherein the heat exchange module comprises a plurality of heat exchange units, each heat exchange unit comprises a shell, a heat exchange unit connecting piece and a heat exchange pipe, the heat exchange pipes are positioned in the shell, the heat exchange unit connecting pieces are positioned at two ends of the shell, the plurality of heat exchange units are connected in sequence through the heat exchange unit connecting pieces to form a sealed flue gas channel, and the cooling liquid providing module is connected with the heat exchange units; cooling liquid is introduced into the heat exchange tube through a cooling liquid pump, and heat absorption is carried out in the formed sealed flue gas channel, so that the waste heat in the flue gas can be recycled, and the temperature of the flue gas can be reduced; the mode that utilizes a plurality of heat transfer units stack to combine coolant liquid flow control can become more meticulous and adjust the heat transfer volume between coolant liquid and the flue gas to it is controllable to realize adjusting the gas temperature.
Description
Technical Field
The utility model belongs to the technical field of flue gas waste heat recovery, especially, relate to a small-size flue gas waste heat recovery device of heat transfer surface adjustable.
Background
The flue gas waste heat recovery is a device for recovering heat from industrial flue gas and waste gas through heat exchange equipment, and is a device for saving energy, reducing emission and improving energy utilization efficiency. Through waste heat recovery device, can be used for heating coolant fluid working medium with the waste energy recovery of originally discharging into atmospheric, also can adjust the temperature of flue gas simultaneously to reach some industrial use needs or requirements.
In most flue gas test platform devices, various different flue gas temperature working conditions can be required to be tested respectively according to test requirements, but the adjustment range of the common fixed heating surface heat exchanger on the flue gas temperature is very limited, the adjustment performance cannot meet the test requirements, and the controllable adjustment of the heat exchange quantity cannot be realized, so that the aims of recovering waste heat and adjusting the flue gas temperature cannot be achieved simultaneously.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model aims to provide a small-size flue gas waste heat recovery device of heat-transfer surface adjustable to solve the problem that proposes among the above-mentioned background art.
In order to realize the above object, the utility model provides a small-size flue gas waste heat recovery device of heat transfer surface adjustable, provide module and heat transfer module including the coolant liquid, heat transfer module includes a plurality of heat transfer unit, heat transfer unit includes casing, heat transfer unit connecting piece and heat exchange tube, the heat exchange tube is located the inside of casing, the heat transfer unit connecting piece is located the both ends of casing, a plurality of the heat transfer unit passes through the heat transfer unit connecting piece connects gradually, the coolant liquid provide the module with the heat transfer unit is connected.
In the flue gas got into heat transfer unit from the casing upper end, the heat that the flue gas was emitted was absorbed by the coolant liquid in the heat transfer pipe and is carried out the heat exchange, then discharges from the casing lower part, according to flue gas waste heat recovery demand, the accessible increases or reduces heat transfer unit's quantity, adjusts waste heat recovery device's total heat transfer ability.
The number of the heat exchange units is more than two, and the specific number is determined according to actual conditions.
Furthermore, the heat exchange module further comprises an inlet header, an outlet header and an inlet flange, wherein one end of each heat exchange tube in each heat exchange unit penetrates through the shell and is connected with the inlet header through a pipeline, the inlet header and the inlet flange are connected through a pipeline, and the other end of each heat exchange tube in each heat exchange unit penetrates through the shell and is connected with the outlet header through a pipeline.
Further, the cooling liquid providing module comprises a cooling liquid tank, a cooling liquid pump, a regulating valve and a flow meter, wherein an inlet of the cooling liquid pump is connected with an outlet of the cooling liquid tank through a pipeline, an outlet of the cooling liquid pump is respectively connected with the inlet flange outside each heat exchange unit through a pipeline, the flow meter and the regulating valve are arranged between the inlet flange and the outlet of the cooling liquid pump, the inlet flange is connected with the flow meter, the flow meter is connected with the regulating valve, and a first valve is arranged between the regulating valve and the outlet of the cooling liquid pump.
The coolant liquid in the heat exchange tube is supplied with and distributed by the inlet header, the coolant liquid flow in the inlet header is extracted from the coolant liquid tank by the coolant liquid pump and is supplied with, according to the demand of flue gas cooling, flow regulation is carried out through the regulating valve, flow monitoring is carried out through the flowmeter, thereby regulating the coolant liquid flow entering each heat exchange unit and achieving the effect of regulating the waste heat recovery effect.
Further, the casing is the both ends open-ended structure, heat transfer unit connecting piece includes flange and fastener, adjacent two connect through flange and fastener between the heat transfer unit, form sealed flue gas passageway.
Furthermore, thermometers are arranged in the shell and close to the two ends of the shell.
The thermometer is arranged at the flue gas inlet and outlet position of the heat exchange unit, so that the flue gas temperature change condition between the inlet and the outlet of the heat exchange unit can be measured.
Further, the cooling liquid providing module further comprises a standby cooling liquid pump, an outlet of the cooling liquid tank is respectively connected with an outlet of the cooling liquid pump and an outlet of the standby cooling liquid pump, an outlet of the standby cooling liquid pump is respectively connected with the inlet flange outside each heat exchange unit through a pipeline, the flow meter and the regulating valve are arranged between the inlet flange and the outlet of the standby cooling liquid pump, the inlet flange is connected with the flow meter, and the flow meter is connected with the regulating valve.
Further, a second valve is arranged between the regulating valve and the outlet of the backup cooling liquid pump.
The waste heat recovery device provided by the utility model leads cooling liquid into the heat exchange pipe through the cooling liquid pump and absorbs heat in the formed sealed flue gas channel, so that the waste heat in the flue gas can be recycled and the flue gas can be cooled; utilize a plurality of heat transfer units stack to combine coolant liquid flow control's mode, can become more meticulous the heat transfer volume between regulation coolant liquid and the flue gas to the realization is controllable to the flue gas temperature regulation, can satisfy test device's needs.
In more miniaturized flue gas treatment devices, the waste heat recovery device can also be used for realizing flexible adjustment of subsequent flue gas processes, and the requirements of different flue gas treatment processes are met.
Has the advantages that:
(1) the utility model provides a pair of small-size flue gas waste heat recovery device of heat transfer surface adjustable, provide module and heat transfer module including the coolant liquid, heat transfer module includes import collection case, export collection case, import flange, outlet flange and a plurality of heat transfer unit, and heat transfer module includes a plurality of heat transfer unit, adopts the detachable flange to carry out series connection between the heat transfer unit, through increasing or reducing heat transfer unit, increases or reduces the quantity of heat exchange tube, can adjust the waste heat recovery effect in a flexible way at any time, realizes the waste heat recovery effect of different magnitudes to play the purpose with adjustable continuous multistage heat recovery.
(2) The utility model provides a small flue gas waste heat recovery device with adjustable heat exchange surface, which is convenient for finely adjusting the flow of cooling liquid in the heat exchange unit by arranging the adjusting valve in front of the inlet of the heat exchange unit, thereby achieving the purpose of adjusting the heat absorption capacity of the heat exchange unit; for the regulation condition of the flue gas temperature, the thermometer is arranged at the flue gas inlet and outlet position of the heat exchange unit, so that the recovery condition of the flue gas heat can be monitored in real time and adjusted as required.
(3) The utility model provides a pair of small-size flue gas waste heat recovery device of heat-transfer surface adjustable is applicable to the waste heat recovery of small-size flue gas volume or waste gas, perhaps adjusts industry exhaust gas temperature to other have required industrial application to use to the gas temperature.
(4) The utility model provides a pair of small-size flue gas waste heat recovery device of heat transfer surface adjustable, simple structure, equipment drops into for a short time, can nimble dismouting adjustment, and investment cost is low, can carry out nimble adjustment according to installation space and arrange, can be furthest adjust as required to the recovered heat, has improved the availability factor of heat energy, has reduced the exhaust emission volume to reduce the influence of exhaust emission to atmospheric environment.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic structural view of example 2;
1. a coolant tank; 2. a coolant pump; 3. adjusting a valve; 4. a flow meter; 5. an inlet header; 6. a connecting flange; 7. a fastener; 8. a housing; 9. a heat exchange pipe; 10. an outlet header; 11. a thermometer; 12. an inlet flange; 13. an outlet flange; 14. A return line; 15. a first valve; 16. a standby cooling liquid pump; 17. a second valve; 18. a third valve.
Detailed Description
The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
Example 1:
as shown in fig. 1, in a preferred embodiment, the utility model provides a small-size flue gas waste heat recovery device with adjustable heat transfer surface, including the coolant liquid provide module and heat exchange module, heat exchange module includes import collection box 5, export collection box 10, import flange 12, export flange 13 and a plurality of heat transfer unit.
The heat exchange unit comprises a shell 8, a heat exchange unit connecting piece and a heat exchange tube 9, the shell 8 is of a structure with two open ends, the heat exchange tube 9 is located inside the shell 8, the heat exchange unit connecting piece is located at two ends of the shell 8, the heat exchange unit connecting piece comprises a connecting flange 6 and a fastener 7, and every two adjacent heat exchange units are connected through the connecting flange 6 and the fastener 7.
The thermometer 11 is arranged at the flue gas inlet and outlet position of the heat exchange unit, so that the flue gas temperature change condition between the inlet and outlet of the heat exchange unit can be measured, and the waste heat recovery effect of the device can be adjusted and monitored.
One end of a heat exchange tube 9 in each heat exchange unit penetrates through the shell 8 to be connected with the inlet header 5 through a pipeline, the inlet header 5 is connected with the inlet flange 12 through a pipeline, the other end of the heat exchange tube 9 in each heat exchange unit penetrates through the shell 8 to be connected with the outlet header 10 through a pipeline, and the outlet header 10 is connected with the outlet flange 13.
The cooling liquid provides the module and includes cooling liquid case 1, coolant pump 2, governing valve 3 and flowmeter 4, the pipe connection is passed through with cooling liquid case 1's export to the import of coolant pump 2, the export of coolant pump 2 passes through the pipe connection with the outer import flange 12 of every heat transfer unit respectively, set up flowmeter 4 and governing valve 3 between the export of import flange 12 and coolant pump 2, import flange 12 is connected with flowmeter 4, flowmeter 4 is connected with governing valve 3, set up first valve 15 between governing valve 3 and the export of coolant pump 2.
Each heat exchange unit corresponds to an inlet header 5, a flow meter 4, a regulating valve 3, an outlet header 10 and an outlet flange 13.
The coolant liquid after through the heat transfer in the heat exchange tube 9 gathers after the heat absorption in export collection case 10, through export flange 13 in sending into coolant liquid case 1 again, coolant liquid case 1 has the heat transfer with the external world, because not the utility model discloses a core content is realizable moreover among the prior art, so do not describe further.
The coolant in the heat exchange tube 9 is supplied with and distributed by the inlet header 5, the coolant flow in the inlet header 5 is extracted from the coolant tank 1 by the coolant pump 2 and is supplied with, according to the flue gas waste heat recovery or the flue gas temperature regulation demand, flow regulation is carried out through the regulating valve 3, the regulation of the coolant flow is realized by regulating the regulating valve 3 and monitoring the data of the flowmeter 4, and therefore the effect of regulating the waste heat recovery effect is achieved.
The flue gas gets into in the heat transfer unit from flange 6 of casing 8 upper end, the flue gas flows in casing 8, the heat of giving off absorbs the heat exchange by the coolant liquid in the heat exchange tube 9 with the contact of heat exchange tube 9 surface, give the coolant liquid medium of flow in the heat exchange tube 9 with the heat transfer, and take away the heat, the temperature of flue gas reduces because of the heat release simultaneously, thereby realize flue gas heat recovery, finally, flue gas after the heat transfer is discharged from flange 6 of casing 8 lower part, adjust the demand according to flue gas waste heat recovery or smoke temperature, the accessible increases or reduces heat transfer unit's quantity, adjust waste heat recovery device's total heat transfer ability.
Example 2:
A second valve 17 is provided between the regulating valve 3 and the outlet of the backup coolant pump 16.
When the cooling liquid pump is set to be used and standby, only 1 cooling liquid pump is started to operate, the standby cooling liquid pump 16 including valves at the front and the rear of the standby cooling liquid pump are in a closed standby state, the standby cooling liquid pump 16 is started only when the operating cooling liquid pump fails, and the failed pump is closed to carry out maintenance and replacement work.
To ensure a stable flow and pressure regulation of the coolant pump 2 or the backup coolant pump 16 during operation, the outlets of the coolant pump 2 and the backup coolant pump 16 are provided with a set of return lines 14 leading back to the coolant tank 1 and a third valve 18.
It should be noted that the components in the flue gas waste heat recovery device provided by the present invention are connected by pipes for the circulation of cooling medium; in addition, valves may be provided on the pipes as needed, such as between the inlet of the coolant pump 2 and the outlet of the coolant tank 1 or between the inlet of the backup coolant pump 16 and the outlet of the coolant tank 1.
Claims (7)
1. The utility model provides a small-size flue gas waste heat recovery device of heat transfer surface adjustable, its characterized in that provides module and heat transfer module including the coolant liquid, heat transfer module includes a plurality of heat transfer unit, heat transfer unit includes casing (8), heat transfer unit connecting piece and heat exchange tube (9), heat exchange tube (9) are located the inside of casing (8), heat transfer unit connecting piece is located the both ends of casing (8), a plurality of the heat transfer unit passes through the heat transfer unit connecting piece connects gradually, the coolant liquid provide the module with the heat transfer unit is connected.
2. The small-sized flue gas waste heat recovery device with the adjustable heat exchange surface as claimed in claim 1, wherein the heat exchange module further comprises an inlet header (5), an outlet header (10) and an inlet flange (12), one end of the heat exchange tube (9) in each heat exchange unit passes through the shell (8) and is connected with the inlet header (5), the inlet header (5) is connected with the inlet flange (12), and the other end of the heat exchange tube (9) in each heat exchange unit passes through the shell (8) and is connected with the outlet header (10).
3. The small-sized flue gas waste heat recovery device with the adjustable heat exchange surface as claimed in claim 2, the cooling liquid providing module comprises a cooling liquid box (1), a cooling liquid pump (2), a regulating valve (3) and a flowmeter (4), the inlet of the cooling liquid pump (2) is connected with the outlet of the cooling liquid tank (1), the outlet of the cooling liquid pump (2) is respectively connected with the inlet flange (12) outside each heat exchange unit, the flow meter (4) and the regulating valve (3) are arranged between the inlet flange (12) and the outlet of the cooling liquid pump (2), the inlet flange (12) is connected with the flowmeter (4), the flowmeter (4) is connected with the regulating valve (3), a first valve (15) is arranged between the regulating valve (3) and the outlet of the cooling liquid pump (2).
4. The small-sized flue gas waste heat recovery device with the adjustable heat exchange surface as claimed in claim 3, wherein the housing (8) is of a structure with two open ends, the heat exchange unit connecting piece comprises a connecting flange (6) and a fastening piece (7), and two adjacent heat exchange units are connected through the connecting flange (6) and the fastening piece (7).
5. The small-sized flue gas waste heat recovery device with adjustable heat exchange surface as claimed in claim 1, characterized in that thermometers (11) are arranged inside the shell (8) and close to the two ends of the shell (8).
6. The small-sized flue gas waste heat recovery device with adjustable heat exchange surface according to claim 3, wherein the cooling liquid providing module further comprises a backup cooling liquid pump (16), the outlet of the cooling liquid tank (1) is respectively connected with the outlet of the cooling liquid pump (2) and the outlet of the backup cooling liquid pump (16), the outlet of the backup cooling liquid pump (16) is respectively connected with the inlet flange (12) outside each heat exchange unit, the flow meter (4) and the regulating valve (3) are arranged between the inlet flange (12) and the outlet of the backup cooling liquid pump (16), the inlet flange (12) is connected with the flow meter (4), and the flow meter (4) is connected with the regulating valve (3).
7. The small-sized flue gas waste heat recovery device with adjustable heat exchange surface according to claim 6, characterized in that a second valve (17) is arranged between the regulating valve (3) and the outlet of the backup cooling liquid pump (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123295571.7U CN216481072U (en) | 2021-12-23 | 2021-12-23 | Small flue gas waste heat recovery device with adjustable heat exchange surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123295571.7U CN216481072U (en) | 2021-12-23 | 2021-12-23 | Small flue gas waste heat recovery device with adjustable heat exchange surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216481072U true CN216481072U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123295571.7U Active CN216481072U (en) | 2021-12-23 | 2021-12-23 | Small flue gas waste heat recovery device with adjustable heat exchange surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216481072U (en) |
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2021
- 2021-12-23 CN CN202123295571.7U patent/CN216481072U/en active Active
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