CN205909321U - Smoke heat exchanging system - Google Patents
Smoke heat exchanging system Download PDFInfo
- Publication number
- CN205909321U CN205909321U CN201620585620.0U CN201620585620U CN205909321U CN 205909321 U CN205909321 U CN 205909321U CN 201620585620 U CN201620585620 U CN 201620585620U CN 205909321 U CN205909321 U CN 205909321U
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- Prior art keywords
- heat exchanger
- flue gas
- heating agent
- heat
- heating
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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 relates to an application of heat exchanger especially relates to a smoke heat exchanging system, including the gas cleaning device, by circulating pump driven heat medium circulation circuit and locate heat medium circulation circuit's flue gas intensification heat exchanger and flue gas cooling heat exchanger, the utility model discloses a smoke heat exchanging system derives through the heat of hot circulation circuit in with original flue gas to directly for the flue gas after purifying heaies up, can also be hot circulation circuit and supply the heat through mending enthalpy exchanger, or derive through getting the heat that the heat medium is situated between in will hot circulation circuit, make his usefulness in addition, realized the total recycle to the flue gas waste heat, the energy saving also ensures the smooth emission of flue gas, use the direct board -like structure heat exchanger of saying simultaneously, prevent effectively that the thick liquid from taking place to stop up in the heat exchanger.
Description
Technical field
The utility model is related to the application of heat exchanger, more particularly, to a kind of smoke heat exchanging system.
Background technology
In industrial production, the processing procedure of flue gas enters smoke eliminator after mostly first passing through cooling and purifies, after purification
Flue-gas temperature is relatively low, need to can be only achieved emission request after heating up.
Fume afterheat resource conversion is not yet returned with being reclaimed being possible under present condition using referring to and reuse
Receive the gas energy (fume afterheat resource as generations such as industrial furnace, sintering process etc.) utilizing, effective ways can be passed through
Or approach is farthest reclaimed trans-utilization to it.
In prior art, or only in flue gas waste heat recovery system setting temperature descending section heat exchanger and no warming-up section heat exchange
Device is it is easy to form " white cigarette " or " gypsum rain ", or is provided with temperature descending section heat exchanger, warming-up section heat exchanger and no concurrent heating heat exchange
Device or heat taking and exchanging device, in the winter time with summer operation during, operating flexibility is poor, only fume afterheat is carried out part return
Receive, organic efficiency relatively low it is impossible to realize comprehensive reutilization to fume afterheat resource.In addition, flue gas of the prior art changes
Hot device mostly is fin tube type structure, and floor space is big, heat transfer efficiency low it is easy to dust stratification and blocking.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of to flue gas
The smoke heat exchanging system of the comprehensive reutilization of residual heat resources.
The utility model is to be achieved by the following technical programs:
A kind of smoke heat exchanging system, including smoke eliminator, the heating agent closed circuit being driven by circulating pump and located at heat
The flue gas temperature rise heat exchanger of matchmaker's closed circuit and flue gas cool-down heat exchanger, wherein,
The low-temperature receiver media channel of flue gas cool-down heat exchanger passes through the heating agent in heating agent closed circuit, and is flue gas as low-temperature receiver
The former cigarette cooling passed through in the thermal source media channel of cooling heat exchanger, the former cigarette after cooling enters smoke eliminator, after heating
Heating agent enter flue gas temperature rise heat exchanger；
Former cigarette from flue gas cool-down heat exchanger enters smoke eliminator, and the net cigarette after purification enters flue gas intensification heat exchange
Device；
Heating agent from flue gas cool-down heat exchanger passes through flue gas temperature rise heat exchanger thermal source media channel, and as thermal source, right
Enter the net cigarette passing through in the low-temperature receiver media channel of flue gas temperature rise heat exchanger to be heated.
Described heating agent closed circuit be provided with concurrent heating heat exchanger and with concurrent heating heat exchanger and in parallel the taking of flue gas temperature rise heat exchanger
Heat exchanger, wherein,
The thermal source media channel of concurrent heating heat exchanger passes through concurrent heating medium, is the low-temperature receiver media channel by concurrent heating heat exchanger
Heating agent in heating agent closed circuit heats up, and the heating agent after intensification enters flue gas temperature rise heat exchanger；
Heating agent after the intensification of flue gas cool-down heat exchanger for the thermal source media channel of heat taking and exchanging device, to by low-temperature receiver medium
What passage passed through takes thermal medium to heat up, and the heating agent after cooling returns heating agent closed circuit.
Described heating agent closed circuit is provided with concurrent heating heat exchanger and the heat taking and exchanging device in parallel with flue gas temperature rise heat exchanger, its
In,
The thermal source media channel of concurrent heating heat exchanger passes through concurrent heating medium, is the low-temperature receiver media channel by concurrent heating heat exchanger
Heating agent in heating agent closed circuit heats up, and the heating agent after intensification enters flue gas temperature rise heat exchanger and heat taking and exchanging device；
Heating agent after the intensification of concurrent heating heat exchanger for the thermal source media channel of heat taking and exchanging device, to by low-temperature receiver media channel
The thermal medium that takes passed through heats up, and the heating agent after cooling returns heating agent closed circuit.
Described heating agent closed circuit is provided with concurrent heating heat exchanger, and the thermal source media channel of concurrent heating heat exchanger passes through concurrent heating medium,
It is to be heated up by the heating agent in the heating agent closed circuit of the low-temperature receiver media channel of concurrent heating heat exchanger, the heating agent after intensification enters flue gas
Temperature rise heat exchanger.
Described heating agent closed circuit is provided with the heat taking and exchanging device in parallel with flue gas temperature rise heat exchanger, the thermal source of heat taking and exchanging device
Heating agent after the intensification of flue gas cool-down heat exchanger for the media channel, is heated up to the thermal medium that takes passed through by low-temperature receiver media channel,
Heating agent after cooling returns heating agent closed circuit.
Heating agent loop is provided with heating agent level pressure and supplements subsystem, and heating agent level pressure is supplemented subsystem and passed through the heat that heat medium pump will supplement
Matchmaker imports in heating agent loop.
Described flue gas cool-down heat exchanger is straight channel plank frame heat exchanger, described straight channel plank frame heat exchanger
Heat transfer element is corrugated cardboard sheet, and the fume side ripple's depth of described corrugated cardboard sheet is less than flue gas side sheet room runner, described plate groups
Poststack forms contactless board-like straight-through runner in fume side.
Described flue gas temperature rise heat exchanger is straight channel plank frame heat exchanger, the biography of described straight channel plank frame heat exchanger
Thermal element is corrugated cardboard sheet, and the fume side ripple's depth of described corrugated cardboard sheet is less than flue gas side sheet room runner, and described plate groups are folded
Form contactless board-like straight-through runner in fume side afterwards.
The beneficial effects of the utility model are:
Smoke heat exchanging system of the present utility model passes through soft circulation circuit by the heat derives in former flue gas, and is directly net
Flue gas after change heats up, and can also be soft circulation circuit additional heat by concurrent heating heat exchanger, or by taking thermal medium by heat
Heat derives in closed circuit, otherwise utilized；Achieve the summation to fume afterheat to recycle, energy saving, due to carrying
Rise exhaust gas temperature, the steam reducing in flue gas is carried secretly, " white haze " or " gypsum rain " can have been eliminated, also ensure the smooth row of flue gas
Put；Due to being provided with heat taking and exchanging device and concurrent heating heat exchanger system, improve the operating flexibility of system to the utmost it is ensured that
Operating reliability under different operating operating mode for the system and waste heat recovery efficiency；Meanwhile, by using the board-like knot of straight channel
Structure flue gas heat-exchange unit structure, occupation area of equipment is little, and anti-dust stratification ability is strong, can effectively prevent flue gas from occurring in heat exchanger stifled
Plug.
Brief description
Fig. 1 is the first embodiment attachment structure schematic diagram of the present utility model.
Fig. 2 is second embodiment attachment structure schematic diagram of the present utility model.
Fig. 3 is the third embodiment attachment structure schematic diagram of the present utility model.
Fig. 4 is the 4th kind of embodiment attachment structure schematic diagram of the present utility model.
In figure: 1. concurrent heating medium, 2. concurrent heating heat exchanger, 3. former cigarette, 4. flue gas cool-down heat exchanger, 5. smoke eliminator,
6. flue gas temperature rise heat exchanger, 7. net cigarette, 8. take thermal medium, 9. heat taking and exchanging device, 10. circulating pump, 11. heat medium pumps, 12. heating agents.
Specific embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings
The utility model is described in further detail with most preferred embodiment.
As shown in figure 1, the utility model includes smoke eliminator 5, the heating agent closed circuit that driven by circulating pump 10 and
Located at flue gas temperature rise heat exchanger 6 and the flue gas cool-down heat exchanger 4 of heating agent closed circuit, wherein,
The low-temperature receiver media channel of flue gas cool-down heat exchanger passes through the heating agent 12 in heating agent closed circuit, and is cigarette as low-temperature receiver
The former cigarette 3 passing through in the thermal source media channel of gas cooling heat exchanger is lowered the temperature, and the former cigarette after cooling enters smoke eliminator, heating
Heating agent afterwards enters flue gas temperature rise heat exchanger；
Former cigarette from flue gas cool-down heat exchanger enters smoke eliminator, and the net cigarette after purification enters flue gas intensification heat exchange
Device；
Heating agent from flue gas cool-down heat exchanger passes through flue gas temperature rise heat exchanger thermal source media channel, and as thermal source, right
Enter the net cigarette passing through in the low-temperature receiver media channel of flue gas temperature rise heat exchanger to be heated.
The first embodiment of the present utility model is as shown in figure 1, heating agent closed circuit is provided with concurrent heating heat exchanger 2 and and concurrent heating
Heat exchanger and the heat taking and exchanging device 9 of flue gas temperature rise heat exchanger parallel connection, wherein,
The thermal source media channel of concurrent heating heat exchanger passes through concurrent heating medium 1, is the low-temperature receiver media channel by concurrent heating heat exchanger
Heating agent closed circuit in heating agent heat up, heating agent after intensification enters flue gas temperature rise heat exchanger；
Heating agent after the intensification of flue gas cool-down heat exchanger for the thermal source media channel of heat taking and exchanging device, to by low-temperature receiver medium
What passage passed through takes thermal medium to heat up, and the heating agent after cooling returns heating agent closed circuit.
Second embodiment of the present utility model is as shown in Fig. 2 heating agent closed circuit is provided with concurrent heating heat exchanger and and flue gas
Temperature rise heat exchanger heat taking and exchanging device in parallel, wherein,
The thermal source media channel of concurrent heating heat exchanger passes through concurrent heating medium, is the low-temperature receiver media channel by concurrent heating heat exchanger
Heating agent in heating agent closed circuit heats up, and the heating agent after intensification enters flue gas temperature rise heat exchanger and heat taking and exchanging device；
Heating agent after the intensification of concurrent heating heat exchanger for the thermal source media channel of heat taking and exchanging device, to by low-temperature receiver media channel
The thermal medium 8 that takes passed through heats up, and the heating agent after cooling returns heating agent closed circuit.
The third embodiment of the present utility model is as shown in figure 3, heating agent closed circuit is provided with concurrent heating heat exchanger, concurrent heating heat exchange
The thermal source media channel of device passes through concurrent heating medium, is in the heating agent closed circuit by the low-temperature receiver media channel of concurrent heating heat exchanger
Heating agent heats up, and the heating agent after intensification enters flue gas temperature rise heat exchanger.
4th kind of embodiment of the present utility model is as shown in figure 4, heating agent closed circuit is provided with flue gas temperature rise heat exchanger simultaneously
The heat taking and exchanging device of connection, the thermal source media channel of heat taking and exchanging device passes through the heating agent after flue gas cool-down heat exchanger heats up, to passing through
What low-temperature receiver media channel passed through takes thermal medium to heat up, and the heating agent after cooling returns heating agent closed circuit.
Preferably, heating agent loop is provided with heating agent level pressure and supplements subsystem, and heating agent level pressure is supplemented subsystem and passed through heat medium pump 11
The heating agent supplementing is imported in heating agent loop.
Smoke heat exchanging system of the present utility model passes through soft circulation circuit by the heat derives in former flue gas, and is directly net
Flue gas after change heats up, and can also be soft circulation circuit additional heat by concurrent heating heat exchanger, or by taking thermal medium by heat
Heat derives in closed circuit, otherwise utilized；Achieve the summation to fume afterheat to recycle, energy saving, also ensure
The smooth discharge of flue gas.
Further, flue gas cool-down heat exchanger is straight channel plank frame heat exchanger, described straight channel plank frame heat exchange
The heat transfer element of device is corrugated cardboard sheet, and the fume side ripple's depth of described corrugated cardboard sheet is less than flue gas side sheet room runner, described plate
Piece group poststack forms contactless board-like straight-through runner in fume side.
Further, flue gas temperature rise heat exchanger is straight channel plank frame heat exchanger, described straight channel plank frame heat exchange
The heat transfer element of device is corrugated cardboard sheet, and the fume side ripple's depth of described corrugated cardboard sheet is less than flue gas side sheet room runner, described plate
Piece group poststack forms contactless board-like straight-through runner in fume side.
It is commonly present dust due in flue gas, easily cause the obstruction of heat exchanger, preferred flue gas cool-down heat exchanger in the present embodiment,
Flue gas temperature rise heat exchanger is straight channel plank frame heat exchanger, and its flue gas flow channel is straight-through runner, and runner is along flue gas circulating direction
It is held essentially constant, eliminate the impact of contact simultaneously again, thus from smoke inlet to outlet, field of flow is consistent substantially,
Eliminate particulate matter blocking and the precondition of incrustation, also just can thoroughly solve particulate matter blocking and fouling problem.
The above is only preferred embodiment of the present utility model it is noted that common skill for the art
For art personnel, on the premise of without departing from the utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of smoke heat exchanging system is it is characterised in that include smoke eliminator, the heating agent closed circuit being driven by circulating pump
And the flue gas temperature rise heat exchanger located at heating agent closed circuit and flue gas cool-down heat exchanger, wherein,
The low-temperature receiver media channel of flue gas cool-down heat exchanger passes through the heating agent in heating agent closed circuit, and is flue gas cool-down as low-temperature receiver
The former cigarette cooling passed through in the thermal source media channel of heat exchanger, the former cigarette after cooling enters smoke eliminator, the heat after heating
Matchmaker enters flue gas temperature rise heat exchanger；
Former cigarette from flue gas cool-down heat exchanger enters smoke eliminator, and the net cigarette after purification enters flue gas temperature rise heat exchanger；
Heating agent from flue gas cool-down heat exchanger passes through flue gas temperature rise heat exchanger thermal source media channel, and as thermal source, to entrance
The net cigarette passing through in the low-temperature receiver media channel of flue gas temperature rise heat exchanger is heated.
2. a kind of smoke heat exchanging system according to claim 1 is it is characterised in that described heating agent closed circuit is provided with concurrent heating
Heat exchanger and the heat taking and exchanging device in parallel with concurrent heating heat exchanger and flue gas temperature rise heat exchanger, wherein,
The thermal source media channel of concurrent heating heat exchanger passes through concurrent heating medium, is the heating agent of the low-temperature receiver media channel by concurrent heating heat exchanger
Heating agent in closed circuit heats up, and the heating agent after intensification enters flue gas temperature rise heat exchanger；
Heating agent after the intensification of flue gas cool-down heat exchanger for the thermal source media channel of heat taking and exchanging device, to by low-temperature receiver media channel
The thermal medium that takes passed through heats up, and the heating agent after cooling returns heating agent closed circuit.
3. a kind of smoke heat exchanging system according to claim 1 is it is characterised in that described heating agent closed circuit is provided with concurrent heating
Heat exchanger and the heat taking and exchanging device in parallel with flue gas temperature rise heat exchanger, wherein, the thermal source media channel of concurrent heating heat exchanger passes through to mend
Thermal medium, is to be heated up by the heating agent in the heating agent closed circuit of the low-temperature receiver media channel of concurrent heating heat exchanger, the heating agent after intensification
Enter flue gas temperature rise heat exchanger and heat taking and exchanging device；
Heating agent after the intensification of concurrent heating heat exchanger for the thermal source media channel of heat taking and exchanging device, is passed through to by low-temperature receiver media channel
The thermal medium that takes heat up, heating agent after cooling returns heating agent closed circuit.
4. a kind of smoke heat exchanging system according to claim 1 is it is characterised in that described heating agent closed circuit is provided with concurrent heating
Heat exchanger, the thermal source media channel of concurrent heating heat exchanger passes through concurrent heating medium, is the low-temperature receiver media channel by concurrent heating heat exchanger
Heating agent in heating agent closed circuit heats up, and the heating agent after intensification enters flue gas temperature rise heat exchanger.
5. a kind of smoke heat exchanging system according to claim 1 is it is characterised in that described heating agent closed circuit is provided with and cigarette
Gas temperature rise heat exchanger heat taking and exchanging device in parallel, the thermal source media channel of heat taking and exchanging device is after the intensification of flue gas cool-down heat exchanger
Heating agent, the thermal medium that takes passed through by low-temperature receiver media channel is heated up, heating agent after cooling returns heating agent closed circuit.
6. a kind of smoke heat exchanging system according to any one of claim 1 to 5 is it is characterised in that heating agent loop is provided with
Heating agent level pressure supplements subsystem, and heating agent level pressure is supplemented subsystem and passed through heat medium pump by the heating agent supplementing importing heating agent loop.
7. a kind of smoke heat exchanging system according to any one of claim 1 to 5 is it is characterised in that described flue gas cool-down
Heat exchanger is straight channel plank frame heat exchanger, and the heat transfer element of described straight channel plank frame heat exchanger is corrugated cardboard sheet, institute
The fume side ripple's depth stating corrugated cardboard sheet is less than flue gas side sheet room runner, and described plate groups poststack forms contactless in fume side
Board-like straight-through runner.
8. a kind of smoke heat exchanging system according to any one of claim 1 to 5 is it is characterised in that described flue gas heats up
Heat exchanger is straight channel plank frame heat exchanger, and the heat transfer element of described straight channel plank frame heat exchanger is corrugated cardboard sheet, institute
The fume side ripple's depth stating corrugated cardboard sheet is less than flue gas side sheet room runner, and described plate groups poststack forms contactless in fume side
Board-like straight-through runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620585620.0U CN205909321U (en) | 2016-06-14 | 2016-06-14 | Smoke heat exchanging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620585620.0U CN205909321U (en) | 2016-06-14 | 2016-06-14 | Smoke heat exchanging system |
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| CN205909321U true CN205909321U (en) | 2017-01-25 |
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| CN201620585620.0U Active CN205909321U (en) | 2016-06-14 | 2016-06-14 | Smoke heat exchanging system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504511A (en) * | 2016-06-14 | 2017-12-22 | 天津华赛尔传热设备有限公司 | A kind of smoke heat exchanging system |
| CN108499350A (en) * | 2017-02-24 | 2018-09-07 | 天津华赛尔传热设备有限公司 | A kind of flue gas of wet desulphurization disappears white system and method |
| CN109718655A (en) * | 2017-10-31 | 2019-05-07 | 天津华赛尔传热设备有限公司 | A kind of flue gas of cooling and dehumidifying disappears white system and method |
-
2016
- 2016-06-14 CN CN201620585620.0U patent/CN205909321U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504511A (en) * | 2016-06-14 | 2017-12-22 | 天津华赛尔传热设备有限公司 | A kind of smoke heat exchanging system |
| CN108499350A (en) * | 2017-02-24 | 2018-09-07 | 天津华赛尔传热设备有限公司 | A kind of flue gas of wet desulphurization disappears white system and method |
| CN109718655A (en) * | 2017-10-31 | 2019-05-07 | 天津华赛尔传热设备有限公司 | A kind of flue gas of cooling and dehumidifying disappears white system and method |
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