CN207893785U - The constant solution-air heat-exchanger rig of exhaust gas temperature - Google Patents
The constant solution-air heat-exchanger rig of exhaust gas temperature Download PDFInfo
- Publication number
- CN207893785U CN207893785U CN201820112374.6U CN201820112374U CN207893785U CN 207893785 U CN207893785 U CN 207893785U CN 201820112374 U CN201820112374 U CN 201820112374U CN 207893785 U CN207893785 U CN 207893785U
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- heat exchanger
- water pipe
- heat
- exhaust gas
- gas temperature
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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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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of gas-liquid heat exchange devices that exhaust gas temperature is constant, including more than two heat exchanger channels, each heat exchanger channels front end is provided with air inlet, rear end is provided with gas outlet, and includes more than two heat exchangers being sequentially connected in series by the first water pipe in each heat exchanger channels；Between two neighboring heat exchanger channels：It is concatenated by the second water pipe between the corresponding heat exchanger of arrangement position, flow control valve is both provided on first water pipe and the second water pipe.The application makes the temperature of various heat exchange channel exit reach consistent by that can adjust the flow of cooling water in various heat exchange device to the adjusting of control valve opening to control the heat transfer intensity of various heat exchange device.
Description
Technical field
The utility model is related to fume treatment technical fields, and in particular to the constant solution-air heat-exchanger rig of exhaust gas temperature.
Background technology
The back-end ductwork that current large-sized boiler passes through after air preheater is more than 2 flues, the row of boiler in different flues
Smoke temperature degree is different, causes the inconsistent situation of flue-gas temperature that different flues enter deduster, dedusting and desulfurization to tail portion
Stable operation produces certain influence.Generally increase to meet minimum discharge and the requirement of energy-saving and emission-reduction policy, boiler tail
Low-level (stack-gas) economizer, but the exhaust gas temperature that common low-level (stack-gas) economizer system is unable to control into deduster is allowed to constant, and
The flue-gas temperature of different flues is constant in the same temperature.
Utility model content
The purpose of this utility model is to provide a kind of solution-air heat-exchanger rig that exhaust gas temperature is constant, solve common low
Warm economizer system cannot achieve the constant exhaust gas temperature into deduster, and the flue-gas temperature of different flues is constant same
The problem of one temperature.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of solution-air heat-exchanger rig that exhaust gas temperature is constant, including heat exchanger and more than two heat exchanger channels, it is each to exchange heat
Device is both provided with inlet and outlet, and each heat exchanger channels front end is provided with air inlet, rear end is provided with gas outlet, and each
Include more than two heat exchangers being sequentially connected in series by the first water pipe in heat exchanger channels；
Between two neighboring heat exchanger channels：It is concatenated by the second water pipe between the corresponding heat exchanger of arrangement position, it is described
It is both provided with flow control valve on first water pipe and the second water pipe.
Heat-exchanger rig in the application includes at least two heat exchanger channels, and two heat exchange are included at least in each heat exchanger channels
Device, the heat exchanger in each channel are arranged in arrays.When device includes A, B, C and D4 heat exchangers, by regulating valve a, tune
The control for saving valve b, regulating valve c, may be implemented the adjusting of the confluent of each heat exchanger tube in heat exchanging group, by adjusting regulating valve
Aperture realizes the adjusting of the exchange thermal efficiency.
Preferably, each heat exchanger is correspondingly arranged, there are one import header and one outlet header, the imports
Header is close to air inlet, and outlet header is close to gas outlet.
Cooling water in heat exchanger initially enters import header, each to exchange heat by the laggard inlet/outlet header of heat exchanger tube heat exchange
Cooling water in pipe enters back into next heat exchanger after mixing in outlet header.
Preferably, be connected to by heat exchanger tube between belonging to the import header and outlet header of a heat exchanger, it is described
Heat exchanger tube is arranged along gas flow direction, is connected to by connecting tube between adjacent heat exchange tubes.
It is arranged with multilayer, multiple rows of heat exchanger tube in the same heat exchanger, is equivalent to matrix arrangement, passes through between adjacent heat exchange tubes
Connecting tube is connected to, and the setting of unique heat exchanger may be implemented to control the stream of every heat exchange liquid in pipe by adjusting regulating valve
Amount, to adjust heat exchange efficiency.
Preferably, the direction between two neighboring heat exchanger tube along heat exchanger tube is provided with deflector.
Preferably, first water pipe and the second water pipe constitute water pipe, it is provided in the water pipe two layers or more
Filter screen, the filter screen is set gradually along the direction of flow of cooling water and mesh is gradually reduced.
Dirt in cooling water is filtered out, heat exchange efficiency is improved, reduces the discharge capacity of waste water.
Preferably, the edge of the filter screen is equipped with connection air bag, it is provided with fixing groove on the inner wall of water pipe, it is described
Connection air bag is located in fixing groove and the air inlet of connection air bag is located at across water pipe on the outside of water pipe.
Connection air bag connection of the filter screen of the application by fixing groove and in fixing groove, filtering will be located at when installation
The connection air bag of network edge fills in fixing groove, and the air inlet for connecting air bag is pierced from the inner wall of water pipe, convenient inside
Inflation, seals air inlet after inflation.Air bag and fixation can be made by adjusting the air pressure in air bag using connection air bag
The inner wall of slot fits closely, better tightness.
Compared with prior art, the utility model has the beneficial effects that：
The application is by that can adjust the adjusting of control valve opening the flow of cooling water in various heat exchange device, to control
The heat transfer intensity of various heat exchange device makes the temperature of various heat exchange channel exit reach consistent.
Description of the drawings
Fig. 1 is the schematic diagram of the constant solution-air heat-exchanger rig of the utility model exhaust gas temperature.
Fig. 2 is the structural schematic diagram of the utility model fixing groove.
Fig. 3 is the structural schematic diagram that the utility model connects air bag.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment 1：
Present embodiments provide a kind of solution-air heat-exchanger rig that exhaust gas temperature is constant, as shown in Figure 1, including heat exchanger and
More than two heat exchanger channels, each heat exchanger are both provided with inlet and outlet, and 1 front end of each heat exchanger channels is provided with air inlet
Mouth 11, rear end are provided with gas outlet 12, and include what two or more was sequentially connected in series by the first water pipe in each heat exchanger channels 1
Heat exchanger 13；
Between two neighboring heat exchanger channels 1：Pass through the second water pipe concatenation, institute between the corresponding heat exchanger of arrangement position 13
It states and is both provided with flow control valve 14 on the first water pipe and the second water pipe.
Heat-exchanger rig in the application includes at least two heat exchanger channels 1, is changed including at least two in each heat exchanger channels 1
Hot device 13, the heat exchanger 13 in each channel are arranged in arrays.When device includes A, B, C and D4 heat exchangers 13, by exchanging
The control for saving valve a, regulating valve b, regulating valve c, may be implemented the adjusting of the confluent of each heat exchanger tube 135 in heat exchanging group, passes through
The aperture of regulating valve 14 is adjusted, realizes the adjusting of the exchange thermal efficiency.
Heat-exchanger rig in the application, when regulating valve a and regulating valve c is closed, the A units in the flue of left side and unit B
It is stopped, C cell and D units exchange heat；When regulating valve b and regulating valve c are closed, the A units and B in the flue of left side are mono-
Member exchanges heat, and C cell and D units are stopped.
It is adjusted by the aperture to regulating valve a, regulating valve b and regulating valve c, the heat exchanger tube of heat exchanging device may be implemented
The regulatory function of the heat transfer intensity in heat exchange group is realized in the adjusting of interior water flow.It realizes to the heat transfer intensity in different units group
Fine adjustment function.
When regulating valve a apertures are 50%, and regulating valve b apertures are 100%, the heat exchanger tube in heat exchanger B and heat exchanger D is by figure
Position in 1, from top to bottom heat transfer intensity successively increase；When 1 aperture of regulating valve is 100%, and 2 aperture of regulating valve is 50%, change
Heat exchanger tube in hot device B and heat exchanger D presses the position in Fig. 1, and heat transfer intensity is sequentially reduced from top to bottom.
Embodiment 2：
The present embodiment further defines on the basis of embodiment 1：Each heat exchanger 13 be correspondingly arranged there are one into
Mouth header 133 and one outlet header 134, the import header 133 is close to air inlet 11, and outlet header 134 is close to gas outlet
12。
Cooling water in heat exchanger 13 initially enters import header 133, exchanges heat laggard inlet/outlet header by heat exchanger tube 135
134, the cooling water in each heat exchanger tube 135 enters back into next heat exchanger 13 after mixing in outlet header 134.
Embodiment 3：
The present embodiment further defines on the basis of embodiment 2：Belong to the import header 133 of a heat exchanger 13
It is connected to by heat exchanger tube 135 between outlet header 134, the heat exchanger tube 135 is arranged along gas flow direction, adjacent heat exchange tubes
It is connected to by connecting tube between 135.
It is arranged with multilayer, multiple rows of heat exchanger tube 135 in the same heat exchanger 13, is equivalent to matrix arrangement, adjacent heat exchange tubes 135
Between be connected to by connecting tube, the setting of unique heat exchanger 13 may be implemented to control every heat exchanger tube by adjusting regulating valve 14
The flow of liquid in 135, to adjust heat exchange efficiency.
Embodiment 4：
The present embodiment further defines on the basis of embodiment 3：Along heat exchanger tube between two neighboring heat exchanger tube 135
135 direction is provided with deflector.
Embodiment 5：
The present embodiment further defines on the basis of embodiment 1：Two layers or more is provided in the water pipe 15 to filter
Net 153, the filter screen 153 is set gradually along the direction of flow of cooling water and mesh is gradually reduced.
Dirt in cooling water is filtered out, heat exchange efficiency is improved, reduces the discharge capacity of waste water.
Embodiment 6：
The present embodiment further defines on the basis of embodiment 5：First water pipe and the second water pipe constitute water
The edge of pipe 15, the filter screen 153 is equipped with connection air bag 152, and fixing groove 151, the company are provided on the inner wall of water pipe 15
It connects air bag 152 and is located in fixing groove 151 and connects the air inlet 11 of air bag 152 and water pipe 15 is passed through to be located at 15 outside of water pipe, such as figure
Shown in 2-3.
The filter screen 153 of the application is connected by fixing groove 151 and the connection air bag 152 in fixing groove 151, installation
When will fill in fixing groove 151 positioned at the connection air bag 152 at 153 edge of filter screen, the air inlet 11 of air bag 152 will be connected from water pipe
Pierce on 15 inner wall, convenient inwardly inflation seals air inlet 11 after inflation.Use connection air bag 152 can be with
By adjusting the air pressure in air bag, air bag and the inner wall of fixing groove 151 is set to fit closely, better tightness.
Embodiment 7：
The present embodiment further defines on the basis of embodiment 5：The filter screen 153 is along the side of flow of cooling water
Forwards valve is both provided with rear.
After equipment long-play, the impurity that 153 rate of filter screen is crossed accumulates gradually on filter screen 153, can cause to block up
Plug, influences heat exchange efficiency, at this time can close the valve of the side of strainer accumulated impurities, and makes cooling water reverse flow and right
It applies pressure, realizes the cleaning to strainer.
Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations
It will fall within scope and spirit disclosed in the present application.More specifically, it discloses in the application, drawings and claims
In range, a variety of variations and modifications can be carried out to the building block and/or layout of theme combination layout.In addition to building block
And/or outside the modification and improvement of layout progress, to those skilled in the art, other purposes also will be apparent.
Claims (6)
1. a kind of solution-air heat-exchanger rig that exhaust gas temperature is constant, including heat exchanger（13）With more than two heat exchanger channels（1）, often
A heat exchanger（13）It is both provided with inlet and outlet, it is characterised in that：Each heat exchanger channels（1）Front end is provided with air inlet
（11）, rear end be provided with gas outlet（12）, and each heat exchanger channels（1）Include inside that two or more is gone here and there successively by the first water pipe
The heat exchanger connect（13）；
Two neighboring heat exchanger channels（1）Between：The corresponding heat exchanger of arrangement position（13）Between pass through the second water pipe concatenation, institute
It states and is both provided with flow control valve on the first water pipe and the second water pipe（14）.
2. the constant solution-air heat-exchanger rig of exhaust gas temperature according to claim 1, which is characterized in that each heat exchanger
（13）Import header there are one being correspondingly arranged（133）With one outlet header（134）, the outlet header（134）Close into
Gas port（11）, import header（133）Close to gas outlet（12）.
3. the constant solution-air heat-exchanger rig of exhaust gas temperature according to claim 2, which is characterized in that belong to a heat exchange
Device（13）Import header（133）And outlet header（134）Between pass through heat exchanger tube（135）Connection, the heat exchanger tube（135）Edge
Gas flow direction is arranged, adjacent heat exchange tubes（135）Between be connected to by connecting tube.
4. the constant solution-air heat-exchanger rig of exhaust gas temperature according to claim 3, which is characterized in that two neighboring heat exchange
Pipe（135）Between along heat exchanger tube（135）Direction be provided with deflector.
5. the constant solution-air heat-exchanger rig of exhaust gas temperature according to claim 1, which is characterized in that first water pipe
Water pipe is constituted with the second water pipe（15）, the water pipe（15）Inside it is provided with two layers or more filter screen（153）, the filter screen
（153）It is set gradually along the direction of flow of cooling water and mesh is gradually reduced.
6. the constant solution-air heat-exchanger rig of exhaust gas temperature according to claim 5, which is characterized in that the filter screen
（153）Edge be equipped with connection air bag（152）, water pipe（15）Inner wall on be provided with fixing groove（151）, the connection air bag
（152）Positioned at fixing groove（151）Interior and connection air bag（152）Air inlet（11）Across water pipe（15）Positioned at water pipe（15）Outside
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820112374.6U CN207893785U (en) | 2018-01-23 | 2018-01-23 | The constant solution-air heat-exchanger rig of exhaust gas temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820112374.6U CN207893785U (en) | 2018-01-23 | 2018-01-23 | The constant solution-air heat-exchanger rig of exhaust gas temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207893785U true CN207893785U (en) | 2018-09-21 |
Family
ID=63544882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820112374.6U Active CN207893785U (en) | 2018-01-23 | 2018-01-23 | The constant solution-air heat-exchanger rig of exhaust gas temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207893785U (en) |
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2018
- 2018-01-23 CN CN201820112374.6U patent/CN207893785U/en active Active
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