CN114562905A - Dividing wall type and contact type combined cooling device - Google Patents
Dividing wall type and contact type combined cooling device Download PDFInfo
- Publication number
- CN114562905A CN114562905A CN202210084754.4A CN202210084754A CN114562905A CN 114562905 A CN114562905 A CN 114562905A CN 202210084754 A CN202210084754 A CN 202210084754A CN 114562905 A CN114562905 A CN 114562905A
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- Prior art keywords
- heat exchange
- type heat
- dividing wall
- gas
- exchange mechanism
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- 238000001816 cooling Methods 0.000 title claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 230000009467 reduction Effects 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims description 29
- 238000005507 spraying Methods 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 abstract description 6
- 239000012071 phase Substances 0.000 description 30
- 239000007789 gas Substances 0.000 description 17
- 239000000945 filler Substances 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007792 gaseous phase Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a dividing wall type and contact type combined cooling device, which comprises a cooling device body, wherein the cooling device body comprises a cooling container, a dividing wall type heat exchange mechanism and a contact type heat exchange mechanism, the dividing wall type heat exchange mechanism and the contact type heat exchange mechanism are arranged in the cooling container; after the high-temperature gas-phase medium enters the cooling container from the gas-phase inlet pipe, the gas-phase medium is uniformly distributed through the distribution device and is subjected to primary heat exchange through the dividing wall type heat exchange mechanism, the gas-phase medium subjected to primary heat exchange and temperature reduction is introduced into the contact type heat exchange mechanism to be subjected to secondary heat exchange, and the gas-phase medium subjected to secondary heat exchange and temperature reduction is discharged through the gas-phase outlet pipe. The structure has higher heat transfer efficiency on one hand, and also has the function of gas phase washing on the other hand, and is more energy-saving and efficient.
Description
Technical Field
The invention relates to the technical field of gas cooling equipment, in particular to a dividing wall type and contact type combined cooling device.
Background
In the industrial field, cold fluid is commonly used for cooling high-temperature gas, and a dividing wall type heat exchange mode and a direct contact type heat exchange mode are adopted. In addition, cooling of high-temperature gas is accompanied by the need for functions such as washing and absorption. The dividing wall type heat exchange is suitable for occasions with pressure difference and fluid which are not suitable for mixing, but has low relative heat exchange efficiency. The direct contact type heat exchange is suitable for occasions with washing or absorption requirements, has high relative heat exchange efficiency, and can generate larger energy consumption loss if larger pressure difference exists between fluids. For applications with multi-stage cooling requirements, a combination of multiple devices is typically employed. For example, in the type of a heat exchanger plus a packed tower, the devices are generally connected by adopting pipelines, so that the requirement on land occupation is high, and the energy consumption loss is high.
Disclosure of Invention
The present invention provides a dividing wall type and contact type combined cooling device with higher heat exchange efficiency and more complete functions, which is directed to the above-mentioned defects of the prior art.
The invention aims to solve the technical scheme that the dividing wall type and contact type combined cooling device comprises a cooling device body, wherein the cooling device body comprises a cooling container, a dividing wall type heat exchange mechanism and a contact type heat exchange mechanism, the dividing wall type heat exchange mechanism and the contact type heat exchange mechanism are arranged in the cooling container, a support used for supporting the cooling container is arranged at the bottom of the cooling container, a gas phase inlet pipe communicated with the dividing wall type heat exchange mechanism and a gas phase outlet pipe communicated with the contact type heat exchange mechanism are arranged at the top of the cooling container, and a relative space between the gas phase inlet pipe and the dividing wall type heat exchange mechanism is internally provided with a distribution device; after the high-temperature gas-phase medium enters the cooling container from the gas-phase inlet pipe, the gas-phase medium is uniformly distributed through the distribution device and subjected to primary heat exchange through the dividing wall type heat exchange mechanism, the gas-phase medium subjected to primary heat exchange and cooling is introduced into the contact type heat exchange mechanism to be subjected to secondary heat exchange, and the gas-phase medium subjected to secondary heat exchange and cooling is discharged through the gas-phase outlet pipe.
Furthermore, dividing wall type heat transfer mechanism includes heat transfer component and hot-fluid import and the hot-fluid export that communicates with this heat transfer component.
Furthermore, the contact type heat exchange mechanism comprises a packing layer, a spraying device and a demister which are sequentially arranged from bottom to top, a cold fluid inlet pipeline communicated with the spraying device is arranged on the side wall of the cooling container, and a cold fluid outlet pipeline is arranged at the bottom of the cooling container.
Furthermore, the contact type heat exchange mechanisms are arranged in the cooling container through mounting cavities with openings at the bottoms, the tops of the mounting cavities are communicated with the gas phase outlet pipe through pipelines, and the number of the dividing wall type heat exchange mechanisms is two and the dividing wall type heat exchange mechanisms are respectively arranged at the left side and the right side of the contact type heat exchange mechanisms.
Furthermore, the dividing wall type heat exchange mechanism and the contact type heat exchange mechanism are respectively arranged on the left side and the right side of the cooling container, and the dividing wall type heat exchange mechanism and the contact type heat exchange mechanism are separated through a partition plate.
The invention has the beneficial technical effects that: the dividing wall type heat exchange mechanism and the contact type heat exchange mechanism are integrated in the same cooling container to cool the gas, and the first-stage dividing wall type heat exchange mechanism is suitable for the condition of large pressure difference between fluids and mainly aims at saving energy; the contact type heat exchange mechanism of the second stage is suitable for the conditions of small pressure difference and mixability between fluids, and on one hand, the contact type heat exchange mechanism has higher heat transfer efficiency, and on the other hand, the contact type heat exchange mechanism also has the function of gas phase washing. Has certain advantages in the aspects of energy conservation, floor space and the like.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention is further described with reference to the accompanying drawings and examples.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inside", "outside", "lateral", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-2, the cooling device of the present invention includes a cooling device body, the cooling device body includes a cooling container 1, and a dividing wall type heat exchange mechanism 2 and a contact type heat exchange mechanism 3 disposed in the cooling container 1, and it should be noted that the cross section of the cooling container 1 is generally circular, but is not limited to circular. A support 11 for supporting the cooling container 1 is arranged at the bottom of the cooling container 1, a gas phase inlet pipe 12 communicated with the dividing wall type heat exchange mechanism 2 and a gas phase outlet pipe 13 communicated with the contact type heat exchange mechanism 3 are arranged at the top of the cooling container 1, and a distribution device 4 is arranged in a relative space between the gas phase inlet pipe 12 and the dividing wall type heat exchange mechanism 2; after the high-temperature gas-phase medium enters the cooling container 1 from the gas-phase inlet pipe 12, the gas-phase medium is uniformly distributed through the distribution device 4 and is subjected to primary heat exchange through the dividing wall type heat exchange mechanism 2, the gas-phase medium subjected to primary heat exchange and temperature reduction is introduced into the contact type heat exchange mechanism 3 to be subjected to secondary heat exchange, and the gas-phase medium subjected to secondary heat exchange and temperature reduction is discharged through the gas-phase outlet pipe 13. The device can complete the heat transfer of a dividing wall type and a contact type with a gas-phase medium in the same container, reduces the energy consumption loss of pipeline resistance compared with a scheme of connecting a plurality of containers in series, and has advantages in floor area.
Referring to fig. 1-2, the dividing wall type heat exchange mechanism 2 includes a heat exchange element 21, and a hot fluid inlet 22 and a hot fluid outlet 23 communicated with the heat exchange element 21, and the number and the position of the hot fluid inlet 22 and the hot fluid outlet 23 are not limited; the hot fluid with larger pressure difference performs recuperative heat exchange in the heat exchange element 21, so that pressure loss caused by pressure change is avoided. The contact type heat exchange mechanism 3 comprises a packing layer 31, a spraying device 32 and a demister 33 which are sequentially arranged from bottom to top, a cold fluid inlet pipeline 34 communicated with the spraying device 32 is arranged on the side wall of the cooling container 1, and a cold fluid outlet pipeline 35 is arranged at the bottom of the cooling container 1; pressure differential is little, can carry out the heat transfer with gaseous phase direct contact's cold fluid through packing surface, and direct contact has higher heat exchange efficiency on the one hand, can satisfy the demand of cooling, and on the other hand can also wash gaseous phase medium, realizes multi-functional unification.
Referring to fig. 1, the contact heat exchange mechanisms 3 are arranged in the cooling container 1 through mounting cavities 5 with openings at the bottoms, the tops of the mounting cavities 5 are communicated with a gas phase outlet pipe 13 through pipelines, and the number of the dividing wall type heat exchange mechanisms 2 is two and the dividing wall type heat exchange mechanisms are respectively arranged at the left side and the right side of the contact heat exchange mechanisms 3. In the embodiment, high-temperature gas-phase medium enters from the top of the cooling container, and is uniformly distributed on two sides by the distribution device; the gas-phase medium passes through the heat exchange element from top to bottom, and exchanges heat with hot fluid from the tube side in the heat exchange element to finish the first-stage temperature reduction; the cooled air flow is collected from two sides to the middle and enters the bottom of the filler; the filler and cold fluid flowing out of the spraying device are subjected to reverse heat transfer, mass transfer and washing from bottom to top to finish secondary cooling; in order to prevent excessive cold fluid or impurities in the gas phase, the gas phase medium is filtered by a top demister and then discharged out of the container; the cold fluid is heated in the packing layer and then discharged from the bottom of the cooling container.
Referring to fig. 2, the dividing wall type heat exchange mechanism 2 and the contact type heat exchange mechanism 3 are respectively disposed on the left and right sides of the cooling container 1, and the dividing wall type heat exchange mechanism 2 and the contact type heat exchange mechanism 3 are separated by a partition plate 6. In the embodiment, the high-temperature gas-phase medium enters from the top of the cooling container and is uniformly distributed on the upper surface of the heat exchange element through the distribution device; the gas-phase medium passes through the heat exchange element from top to bottom, and exchanges heat with hot fluid from the tube side in the heat exchange element to finish the first-stage temperature reduction; the cooled air flow is collected to the filler side at the bottom of the container and enters the bottom of the filler; the filler and cold fluid flowing out of the spraying device are subjected to reverse heat transfer, mass transfer and washing from bottom to top to finish secondary cooling; in order to prevent excessive cold fluid or impurities in the gas phase, the gas phase medium is filtered by a top demister and then discharged out of the container; the cold fluid is heated in the packing layer and then discharged from the bottom of the cooling container.
The specific embodiments described herein are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. A dividing wall and contact combined cooling device comprising a cooling device body, characterized in that: the cooling device body comprises a cooling container, and a dividing wall type heat exchange mechanism and a contact type heat exchange mechanism which are arranged in the cooling container, wherein a gas phase inlet pipe communicated with the dividing wall type heat exchange mechanism and a gas phase outlet pipe communicated with the contact type heat exchange mechanism are arranged at the top of the cooling container, and a distribution device is arranged in a relative space between the gas phase inlet pipe and the dividing wall type heat exchange mechanism; after the high-temperature gas-phase medium enters the cooling container from the gas-phase inlet pipe, the gas-phase medium is uniformly distributed through the distribution device and is subjected to primary heat exchange through the dividing wall type heat exchange mechanism, the gas-phase medium subjected to primary heat exchange and temperature reduction is introduced into the contact type heat exchange mechanism to be subjected to secondary heat exchange, and the gas-phase medium subjected to secondary heat exchange and temperature reduction is discharged through the gas-phase outlet pipe.
2. The combination dividing and contacting cooling device of claim 1, wherein: the dividing wall type heat exchange mechanism comprises a heat exchange element, and a hot fluid inlet and a hot fluid outlet which are communicated with the heat exchange element.
3. A combined dividing wall and contact cooling device according to claim 1 or 2, wherein: the contact type heat exchange mechanism comprises a packing layer, a spraying device and a demister which are sequentially arranged from bottom to top, a cold fluid inlet pipeline communicated with the spraying device is arranged on the side wall of the cooling container, and a cold fluid outlet pipeline is arranged at the bottom of the cooling container.
4. The combination dividing and contacting cooling device of claim 3, wherein: the contact type heat exchange mechanisms are arranged in the cooling container through mounting cavities with openings at the bottoms, the tops of the mounting cavities are communicated with the gas phase outlet pipe through pipelines, and the number of the dividing wall type heat exchange mechanisms is two and the dividing wall type heat exchange mechanisms are respectively arranged at the left side and the right side of the contact type heat exchange mechanisms.
5. The combination dividing and contacting cooling device of claim 3, wherein: the dividing wall type heat exchange mechanism and the contact type heat exchange mechanism are respectively arranged on the left side and the right side of the cooling container, and the dividing wall type heat exchange mechanism and the contact type heat exchange mechanism are separated through a partition plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210084754.4A CN114562905A (en) | 2022-01-25 | 2022-01-25 | Dividing wall type and contact type combined cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210084754.4A CN114562905A (en) | 2022-01-25 | 2022-01-25 | Dividing wall type and contact type combined cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114562905A true CN114562905A (en) | 2022-05-31 |
Family
ID=81713953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210084754.4A Pending CN114562905A (en) | 2022-01-25 | 2022-01-25 | Dividing wall type and contact type combined cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114562905A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101802137A (en) * | 2007-10-02 | 2010-08-11 | 埃克森美孚化学专利公司 | Method and apparatus for cooling pyrolysis effluent |
| US20110227236A1 (en) * | 2010-03-22 | 2011-09-22 | Spx Cooling Technologies, Inc. | Apparatus and method for an air bypass system for a natural draft cooling tower |
| CN107131687A (en) * | 2016-02-29 | 2017-09-05 | 约克（无锡）空调冷冻设备有限公司 | A kind of heat-exchanger rig suitable for low pressure refrigerant |
| EP3296676A1 (en) * | 2016-09-16 | 2018-03-21 | ThyssenKrupp Industrial Solutions AG | Arrangement and method for condensing a hot acid mixture |
| CN110726148A (en) * | 2019-11-21 | 2020-01-24 | 贾珊珊 | Smoke white-eliminating cooling device |
| CN212538903U (en) * | 2020-03-19 | 2021-02-12 | 金能化学(青岛)有限公司 | Carbon black tail gas dewatering device |
-
2022
- 2022-01-25 CN CN202210084754.4A patent/CN114562905A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101802137A (en) * | 2007-10-02 | 2010-08-11 | 埃克森美孚化学专利公司 | Method and apparatus for cooling pyrolysis effluent |
| US20110227236A1 (en) * | 2010-03-22 | 2011-09-22 | Spx Cooling Technologies, Inc. | Apparatus and method for an air bypass system for a natural draft cooling tower |
| CN107131687A (en) * | 2016-02-29 | 2017-09-05 | 约克（无锡）空调冷冻设备有限公司 | A kind of heat-exchanger rig suitable for low pressure refrigerant |
| EP3296676A1 (en) * | 2016-09-16 | 2018-03-21 | ThyssenKrupp Industrial Solutions AG | Arrangement and method for condensing a hot acid mixture |
| CN110726148A (en) * | 2019-11-21 | 2020-01-24 | 贾珊珊 | Smoke white-eliminating cooling device |
| CN212538903U (en) * | 2020-03-19 | 2021-02-12 | 金能化学(青岛)有限公司 | Carbon black tail gas dewatering device |
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