CN206989773U - Gas-gas heat exchanger - Google Patents
Gas-gas heat exchanger Download PDFInfo
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- CN206989773U CN206989773U CN201720594919.7U CN201720594919U CN206989773U CN 206989773 U CN206989773 U CN 206989773U CN 201720594919 U CN201720594919 U CN 201720594919U CN 206989773 U CN206989773 U CN 206989773U
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- gas
- heat exchanger
- neat stress
- former
- exchanger plates
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Abstract
The utility model discloses a kind of gas-gas heat exchanger, including housing, heat exchanger plates, housing is provided with neat stress import, neat stress outlet, former gas approach and former exhanst gas outlet, heat exchanger plates are multiple, multiple heat exchanger plates are arranged in parallel in housing, mutually isolated neat stress passage and former exhaust gases passes are sequentially formed between two neighboring heat exchanger plates, the both ends of neat stress passage connect with former gas approach and former exhanst gas outlet respectively with neat stress import and neat stress outlet, the both ends of former exhaust gases passes respectively.Because former exhaust gases passes and neat stress passage are exchanged heat by heat exchanger plates, it is not necessary to increase other heating agent devices.The device entirety floor space is smaller, and neat stress and former flue gas pass through neat stress passage and former exhaust gases passes respectively in a free state, it is not necessary to the auxiliary device such as pressurization cycle pump, reduces power consumption.
Description
Technical field
It the utility model is related to power station coal-fired flue-gas processing technology field, more particularly to a kind of gas-gas heat exchanger.
Background technology
The chimney smoke discharge of power plant divides wet flue gas discharge and dry flue gas discharge, and wet flue gas discharge is 50 DEG C of left sides after desulfurization
For right flue gas directly from smoke stack emission, such a discharging modes chimney can emit white cigarette, produce visual pollution, and aggravate the corruption of chimney
Erosion；Dry flue gas discharge is to use the flue gas heel row before desulfurization to be eliminated to chimney 50 DEG C or so of flue gas after desulfurization
Visual pollution, mitigate chimney corrosion, wherein, it is referred to as gas-gas heat exchanger for heating the heat exchanger of flue gas after desulfurization.
Traditional gas-gas heat exchanger is divided into two heat exchangers, and centre is exchanged heat by heating agent, and former flue gas passes through finned tube
Heat-transfer surface transfers heat to heating agent, is again passed heat by the finned tube heat-transfer surface of warming-up section heat exchanger after heating agent heat absorption heating
Neat stress is passed, is heated up after neat stress heat absorption, the heat absorption heating of temperature descending section heat exchanger, so circulation are returned to after heating agent cooling.
However, because when gas-gas heat exchanger works, centre is exchanged heat by heating agent so that gas-gas heat exchanger floor space
It is larger, and the circulation of heating agent needs increase circulating pump to overcome circulation resistance, consumes electric energy.
Therefore, while floor space is reduced, power consumption is reduced, is those skilled in the art's technology urgently to be resolved hurrily
Problem.
Utility model content
The purpose of this utility model is to provide a kind of gas-gas heat exchanger, and the gas-gas heat exchanger can reduce floor space
Meanwhile reduce power consumption.
To achieve the above object, the utility model provides a kind of gas-gas heat exchanger, including housing, heat exchanger plates, the housing
Be provided with neat stress import, neat stress outlet, former gas approach and former exhanst gas outlet, the heat exchanger plates be it is multiple, it is multiple described
Heat exchanger plates are arranged in parallel in the housing, and mutually isolated neat stress passage is sequentially formed between the two neighboring heat exchanger plates
With former exhaust gases passes, the both ends of the neat stress passage respectively with the neat stress import and the neat stress outlet, institute
The both ends for stating former exhaust gases passes connect with the former gas approach and the former exhanst gas outlet respectively.
Preferably, in addition to the thermal conductor that is arranged on the heat exchanger plates.
Preferably, the both sides of the heat exchanger plates are equipped with the thermal conductor, the both ends of the thermal conductor with it is adjacent
Two heat exchanger plates are fixedly connected.
Preferably, the thermal conductor arranged for interval of the heat exchanger plates opposite sides.
Preferably, the thermal conductor on the heat exchanger plates per side is arranged in rows, and often arranges the upper two neighboring heat
Spacing between conducting piece is equal.
Preferably, the thermal conductor dislocation arrangement on adjacent two row.
Preferably, the thermal conductor is heat-transfer tube.
Preferably, the heat exchanger plates are vertically arranged, and former gas approach is located at the housing tip, the former exhanst gas outlet position
In the housing bottom, the neat stress import and neat stress outlet are respectively positioned on the housing side, with the neat stress
Import connection neat stress passage and with the neat stress outlet connection neat stress passage connected by smoke box, the smoke box with
The housing seal connection, the neat stress import are located at neat stress outlet lower section.
Preferably, the neat stress import and neat stress outlet are located at described housing the same side.
Preferably, the heat exchanger plates parallel arrangement, and the spacing between the two neighboring heat exchanger plates is equal.
In the above-mentioned technical solutions, gas-gas heat exchanger provided by the utility model includes housing, heat exchanger plates, and housing is provided with
Neat stress import, neat stress outlet, former gas approach and former exhanst gas outlet, heat exchanger plates are multiple, and multiple heat exchanger plates are arranged in juxtaposition
In housing, mutually isolated neat stress passage is sequentially formed between two neighboring heat exchanger plates and former exhaust gases passes, neat stress lead to
The both ends in road respectively with neat stress import and neat stress outlet, the both ends of former exhaust gases passes respectively with former gas approach and original
Exhanst gas outlet connects.When gas-gas heat exchanger works, neat stress enters neat stress passage by neat stress import, finally by net cigarette
Gas outlet discharge, former flue gas enter former exhaust gases passes by former gas approach, are discharged finally by former exhanst gas outlet.
By foregoing description, in the gas-gas heat exchanger that the application provides, because former exhaust gases passes and neat stress lead to
Road is exchanged heat by heat exchanger plates, it is not necessary to increases other heating agent devices.The device entirety floor space is smaller, and neat stress and former cigarette
Gas passes through neat stress passage and former exhaust gases passes respectively in a free state, it is not necessary to the auxiliary device such as pressurization cycle pump, reduces
Power consumption.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
The structural representation for the gas-gas heat exchanger that Fig. 1 is provided by the utility model embodiment；
The side view for the gas-gas heat exchanger that Fig. 2 is provided by the utility model embodiment；
Fig. 3 is the A portions enlarged drawing of gas-gas heat exchanger shown in Fig. 2；
The top view for the gas-gas heat exchanger that Fig. 4 is provided by the utility model embodiment；
Fig. 5 is the B portions enlarged drawing of gas-gas heat exchanger shown in Fig. 4；
The heat exchanger plates and the structural representation of thermal conductor that Fig. 6 is provided by the utility model embodiment；
Fig. 7 is heat exchanger plates shown in Fig. 6 and the side view of thermal conductor.
In wherein Fig. 1-7：1- housings, 2- originals gas approach, 3- originals exhanst gas outlet, the import of 4- neat stress, 5- neat stress go out
Mouth, 6- smoke boxes, 7- heat exchanger plates, 8- thermal conductors, 9- plate member seals plate, 10- neat stress passage, 11- original exhaust gases passes.
Embodiment
Core of the present utility model is to provide a kind of gas-gas heat exchanger, and the gas-gas heat exchanger can reduce floor space
Meanwhile reduce power consumption.
In order that those skilled in the art more fully understands the technical solution of the utility model, it is below in conjunction with the accompanying drawings and real
Applying mode, the utility model is described in further detail.
Fig. 1 to Fig. 7 is refer to, in a kind of embodiment, the gas gas that the utility model specific embodiment provides changes
Hot device includes housing 1, heat exchanger plates 7, plate member seals plate 9, and housing 1 is provided with neat stress import 4, neat stress exports 5, former flue gas and entered
Mouthfuls 2 and former exhanst gas outlet 3, heat exchanger plates 7 be multiple, multiple heat exchanger plates 7 are arranged in parallel in housing 1, two neighboring heat exchanger plates 7 it
Between sequentially form mutually isolated neat stress passage 10 and former exhaust gases passes 11, i.e., be provided between two neighboring neat stress passage 10
One former exhaust gases passes 11.The both ends of neat stress passage 10 connect with neat stress import 4 and neat stress outlet 5 respectively, former flue gas
The both ends of passage 11 connect with former gas approach 2 and former exhanst gas outlet 3 respectively.Specifically, heat exchanger plates 7 can be by being pressed into
Type.Neat stress passage 10 is spilt into as early as possible for the ease of former flue gas heat, it is preferable that heat exchanger plates 7 are metallic plate, in order to extend heat exchanger plates
7 service life, it is preferable that heat exchanger plates 7 are steel plate or aluminium sheet etc..In order to ensure that air pressure is put down in neat stress passage 10 and exhaust gases passes
Weighing apparatus, it is preferable that heat exchanger plates 7 are arranged in parallel, and the spacing between two neighboring heat exchanger plates 7 is equal, specifically, such as Fig. 3 and Fig. 5 institutes
Show, the former exhaust gases passes 11 between two neighboring neat stress passage 10, the plate member seals in the end set of heat exchanger plates 7 can be passed through
Plate 9 isolates neat stress passage 10 and former exhaust gases passes 11, the original in the import of neat stress passage 10 and the exit of neat stress passage 10
The end of the two neighboring heat exchanger plates 7 bending sealing close to each other of exhaust gases passes 11, i.e. two end pressure weldings of heat exchanger plates 7.
When gas-gas heat exchanger works, neat stress enters neat stress passage 10 by neat stress import 4, finally by neat stress
The discharge of outlet 5, former flue gas enter former exhaust gases passes 11 by former gas approach 2, discharged finally by former exhanst gas outlet 3.
By foregoing description, in the gas-gas heat exchanger that the application specific embodiment is provided, because former flue gas leads to
Road 11 and neat stress passage 10 are exchanged heat by heat exchanger plates 7, it is not necessary to increase other heating agent devices.The device entirety floor space compared with
It is small, and neat stress and former flue gas pass through neat stress passage 10 and former exhaust gases passes 11 respectively in a free state, it is not necessary to it is pressurized
The auxiliary devices such as circulating pump, reduce power consumption.
Further, the gas-gas heat exchanger also includes the thermal conductor 8 being arranged on heat exchanger plates 7.Specifically, thermal conductor 8
Can be located in neat stress passage 10 or former exhaust gases passes 11, in order to improve operating efficiency, it is preferable that the both ends of thermal conductor 8 with
Two adjacent heat exchanger plates 7 are fixedly connected, and the spacing of heat exchanger plates 7 is positioned by thermal conductor 8, improves gas-gas heat exchanger
Bulk strength, extend the service life of gas-gas heat exchanger.Specifically, thermal conductor 8 can be pacified by the mode such as being bonded, welding
On heat exchanger plates 7, in order to improve heat exchange efficiency, it is preferable that thermal conductor 8 is metalwork, in order to mitigate the weight of thermal conductor 8,
It is preferred that thermal conductor 8 is heat-transfer tube.By setting thermal conductor 8, increase heat exchange area, improve the work of gas-gas heat exchanger
Make efficiency.
As shown in Figure 6 and Figure 7, in order to improve heat exchange efficiency, it is preferred that the thermal conductor 8 of the opposite sides of heat exchanger plates 7 is spaced
Arrangement, the i.e. thermal conductor 8 of the opposite sides of heat exchanger plates 7 are projected in misaligned on heat exchanger plates 7.Preferably, every side on heat exchanger plates 7
Thermal conductor 8 is arranged in rows, and the spacing often arranged between upper two neighboring thermal conductor 8 is equal.Circulated for the ease of gas, it is excellent
Select, the dislocation arrangement of thermal conductor 8 on adjacent two row.
On the basis of above-mentioned each scheme, it is preferable that heat exchanger plates 7 are vertically arranged, and former gas approach 2 is located at the top of housing 1, former
Exhanst gas outlet 3 is located at the bottom of housing 1, and neat stress import 4 and neat stress outlet 5 are respectively positioned on the side of housing 1, with neat stress import 4
The neat stress passage 10 of connection and connected with the neat stress passages 10 that be connecteds of neat stress outlet 5 by smoke box 6, smoke box 6 and housing 1
It is tightly connected, neat stress import 4 is located at the lower section of neat stress outlet 5.Specifically, multiple heat exchanger plates 7 form two groups of heat exchange groups up and down,
The neat stress passage 10 of the heat exchange group on top is connected with neat stress import 4, neat stress passage 10 and the net cigarette of the heat exchange group of bottom
The connection of gas outlet 5.Certainly, during actual assembled, the number of heat exchange group is not limited to the above situation.Because neat stress enters
The situation that drop is discharged in the lower section of neat stress outlet 5, reduction neat stress of mouth 4, meanwhile, neat stress outlet 5 is apart from former flue gas
Import 2 is relatively near, and temperature is higher, avoids the situation that vapor is more in the neat stress of discharge.Certainly, during actual assembled,
Heat exchanger plates 7 are it can also be provided that the plate of lateral arrangement.
Further, neat stress import 4 and neat stress outlet 5 are located at the same side of housing 1, and neat stress import 4 is located at net cigarette
The lower section of gas outlet 5.Because neat stress import 4 and neat stress outlet 5 are located at the same side of housing 1, the i.e. generally U of neat stress passage 10
Type, the length of neat stress passage 10 is effectively extended, improve heat exchange efficiency.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
1. a kind of gas-gas heat exchanger, it is characterised in that be provided with neat stress including housing (1), heat exchanger plates (7), the housing (1)
Import (4), neat stress outlet (5), former gas approach (2) and former exhanst gas outlet (3), the heat exchanger plates (7) are multiple, Duo Gesuo
State heat exchanger plates (7) to be arranged in parallel in the housing (1), sequentially formed between the two neighboring heat exchanger plates (7) mutually isolated
Neat stress passage (10) and former exhaust gases passes (11), the both ends of the neat stress passage (10) respectively with the neat stress import
(4) connected with neat stress outlet (5), the both ends of the former exhaust gases passes (11) respectively with the former gas approach (2) and
Former exhanst gas outlet (3) connection.
2. gas-gas heat exchanger according to claim 1, it is characterised in that also include being arranged on the heat exchanger plates (7)
Thermal conductor (8).
3. gas-gas heat exchanger according to claim 2, it is characterised in that the both sides of the heat exchanger plates (7) are equipped with described
Thermal conductor (8), the both ends of the thermal conductor (8) are fixedly connected with two adjacent heat exchanger plates (7).
4. gas-gas heat exchanger according to claim 3, it is characterised in that the heat of heat exchanger plates (7) opposite sides
Conducting piece (8) arranged for interval.
5. gas-gas heat exchanger according to claim 4, it is characterised in that the heat on the heat exchanger plates (7) per side passes
Guiding element (8) is arranged in rows, and the spacing often arranged between the upper two neighboring thermal conductor (8) is equal.
6. gas-gas heat exchanger according to claim 5, it is characterised in that the thermal conductor (8) on adjacent two row is wrong
Position arrangement.
7. according to the gas-gas heat exchanger any one of claim 2-6, it is characterised in that the thermal conductor (8) is heat
Conducting tube.
8. according to the gas-gas heat exchanger any one of claim 1-6, it is characterised in that the vertical cloth of the heat exchanger plates (7)
To put, the former gas approach (2) is located at the housing (1) top, and the former exhanst gas outlet (3) is located at the housing (1) bottom,
The neat stress import (4) and neat stress outlet (5) are respectively positioned on the side of the housing (1), with the neat stress import
(4) the neat stress passage (10) connected and the neat stress passage (10) being connected with neat stress outlet (5) pass through smoke box (6) company
Logical, the smoke box (6) is tightly connected with the housing (1), and the neat stress import (4) is located under neat stress outlet (5)
Side.
9. gas-gas heat exchanger according to claim 8, it is characterised in that the neat stress import (4) and the neat stress
Outlet (5) is located at the housing (1) the same side.
10. gas-gas heat exchanger according to claim 9, it is characterised in that heat exchanger plates (7) parallel arrangement, and it is adjacent
Spacing between two heat exchanger plates (7) is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720594919.7U CN206989773U (en) | 2017-05-25 | 2017-05-25 | Gas-gas heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720594919.7U CN206989773U (en) | 2017-05-25 | 2017-05-25 | Gas-gas heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206989773U true CN206989773U (en) | 2018-02-09 |
Family
ID=61391152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720594919.7U Active CN206989773U (en) | 2017-05-25 | 2017-05-25 | Gas-gas heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206989773U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504108A (en) * | 2020-05-08 | 2020-08-07 | 上海蒂壹净化工程有限公司 | Heat exchanger for heat treatment system |
| CN111531859A (en) * | 2020-05-08 | 2020-08-14 | 上海蒂壹净化工程有限公司 | Energy-efficient heat cycle system |
-
2017
- 2017-05-25 CN CN201720594919.7U patent/CN206989773U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504108A (en) * | 2020-05-08 | 2020-08-07 | 上海蒂壹净化工程有限公司 | Heat exchanger for heat treatment system |
| CN111531859A (en) * | 2020-05-08 | 2020-08-14 | 上海蒂壹净化工程有限公司 | Energy-efficient heat cycle system |
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