CN201463402U - System for cooling process gas - Google Patents

System for cooling process gas Download PDF

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Publication number
CN201463402U
CN201463402U CN 200920128546 CN200920128546U CN201463402U CN 201463402 U CN201463402 U CN 201463402U CN 200920128546 CN200920128546 CN 200920128546 CN 200920128546 U CN200920128546 U CN 200920128546U CN 201463402 U CN201463402 U CN 201463402U
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CN
China
Prior art keywords
chilled water
process gas
cooling
heat exchanger
preparation facilities
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Expired - Fee Related
Application number
CN 200920128546
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Chinese (zh)
Inventor
刘旭
喻依兆
王珂
王毅
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CISDI Engineering Co Ltd
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CISDI Engineering Co Ltd
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Priority to CN 200920128546 priority Critical patent/CN201463402U/en
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Publication of CN201463402U publication Critical patent/CN201463402U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

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  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The utility model relates to a system for cooling a process gas, which comprises a solar thermal collector (1), a heat storage water tank (3), a chilled water preparation device (9) and a cooling heat exchanger (12), wherein hot water generated in the solar thermal collector (1) enters the heat storage water tank (3) to supply the hot water needed by the chilled water preparation device (9); the chilled water preparation device (9) supplies chilled water needed by the cooling heat exchanger (12); and the cooling heat exchanger (12) cools the entered process gas. The system for cooling the process gas uses a solar energy refrigeration technique, makes full use a renewable energy source, and saves the steam or electric energy consumption needed by a conventional cooling device.

Description

A kind of process gas cooling system
Technical field
The utility model relates to a kind of cooling system of process gas, relates in particular to a kind of system that uses solar energy that process gas is lowered the temperature.
Background technology
In existing processes gas temperature-fall period, employing be compressor or steam-refrigerated technology, required like this electric energy is many, energy consumption is big, under big flow, higher atmospheric temperature condition during to process gas cooling, required energy consumption is huge especially.
As in the ironmaking field, in the blast furnace blower running, it is bigger that its required shaft power is influenced by atmospheric conditions, with 4000m 3Blast furnace blower is an example: in summer, suppose that daytime, mean temperature was 25 ℃, this moment, the air blast operate power was about 40000kW, and sooner or later and night mean temperature be assumed to 15 ℃, this moment, the air blast operate power was about 38800kW, and this moment, the air blast power consumption reduced about 3% than the daytime; At spring and autumn, suppose that daytime, mean temperature was 15 ℃, this moment, the air blast operate power was about 35000kW, and sooner or later and night mean temperature be assumed to 8 ℃, this moment, the air blast operate power was about 34000kW, this moment, the air blast power consumption reduced about 2.5% (above parameter is only to consider the air-breathing cooling of air blast, but does not reach the primary Calculation result under the atmospheric dew point condition) than the daytime.Under the situation that adopts dehumidified blast,, and finally can influence blast furnace stable operation because the air temperature variations at daytime and night is unfavorable to the stable operation of systems for moisture removal.
The utility model content
The purpose of this utility model provides a kind of process gas cooling system that uses regenerative resource.
The purpose of this utility model is to realize by following mode:
A kind of process gas cooling system is characterized in that: described process gas cooling system comprises solar thermal collector, hot water storage tank, chilled water preparation facilities, cooling heat exchanger and corresponding pipeline and water pump;
The delivery port of described solar thermal collector connects the water inlet of described hot water storage tank by pipeline, the delivery port of described hot water storage tank is connected the hot water inlet of described chilled water preparation facilities by the pipeline that has water pump, and the hot water outlet of described chilled water preparation facilities is back to the water inlet of described solar thermal collector by pipeline;
Described chilled water preparation facilities connects the chilled water inlet and the chilled water outlet of described cooling heat exchanger by the pipeline that has water pump.
In order to utilize the waste heat of blower unit gas outlet fully, reduce solar radiation deficiency after a little while simultaneously, the gas outlet of described gas cooling system is connected to fan inlet by pipeline; The gas outlet of described air blast also is connected with auxilliary hot heater, and described auxilliary hot heater links to each other with the delivery port of solar thermal collector and the water inlet of hot water storage tank respectively by pipeline.
For process gas is further lowered the temperature and dehumidification, also be connected with secondary cooling dehumidifying device between the gas outlet of described cooling heat exchanger and the air blast, described secondary cooling dehumidifying device comprises secondary cooling moisture eliminator, secondary chilled water preparation facilities;
Described secondary chilled water preparation facilities provides required chilled water for secondary cooling heat exchanger, and described secondary chilled water preparation facilities connects the chilled water inlet and the chilled water outlet of secondary cooling heat exchanger by the pipeline that has water pump;
For the quality better gas is provided, the air inlet of described cooling heat exchanger also is connected with pneumatic filter.
The solar refrigeration technology of utilizing of the present utility model, made full use of regenerative resource, can save and adopt under conventional steam or the electric energy cooling refrigeration situation about 30% energy consumption, the driving power about 3%. that also can save air blast simultaneously is in addition by the solar refrigeration technology, stablized the operation of the secondary cooling dehumidification of blast furnace blower, guarantee cooling and dehumidification effect, guaranteed the stable and energy-saving and production-increase of conditions of blast furnace.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure, part (1) is a solar thermal collector, part (2) is auxilliary hot heater, part (3) is a hot water storage tank, part (4), (4 '), (5), (6), (7) are pipeline, part (8) is a water pump, and part (9) is the chilled water preparation facilities, and part (10) is a water pump, part (11), (11 ') are pipeline, part (12) is the cooling heat exchanger, and part (13) is secondary chilled water preparation facilities, and part (14) is a water pump, part (15), (15 ') are pipeline, part (16) is secondary cooling moisture eliminator, and part (17), (18) are pipeline, and part (19) is an air blast.
The specific embodiment
Embodiment to utility model is described further below in conjunction with accompanying drawing.
The utility model can be suitable for air-breathing cooling of blast furnace blower and dehumidification, also can be used for the occasion (as the cooling of gas turbine blower intake air) of other process gas cooling dehumidification, process gas cooling under particularly big flow, the higher atmospheric temperature condition.Be example with the air-breathing cooling dehumidification of blast furnace blower below:
As shown in Figure 1, the delivery port of solar thermal collector 1 connects the water inlet of hot water storage tank 3 by pipeline 5,3 delivery ports of hot water storage tank are connected the hot water inlet of chilled water preparation facilities 9 by the pipeline 4 ' that has water pump 8, and the hot water outlet of chilled water preparation facilities 9 is back to the water inlet of solar thermal collector 1 by pipeline 4; Chilled water preparation facilities 9 connects the chilled water inlet and the chilled water outlet of cooling heat exchanger 12 by the pipeline 11,11 ' that has water pump 10.From air inlet enter the cooling heat exchanger 12 air through the cooling after, flow out in the gas outlet.
The air inlet of cooling heat exchanger 12 also is connected with pneumatic filter, and atmosphere is filtered.Also be connected with secondary heat sink between the gas outlet of cooling heat exchanger 12 and the air blast 19, secondary heat sink comprises secondary cooling moisture eliminator 16, secondary chilled water preparation facilities 13; Secondary chilled water preparation facilities 13 provides required chilled water for secondary cooling heat exchanger 16, and secondary chilled water preparation facilities 13 connects the chilled water inlet and the chilled water outlet of secondary cooling moisture eliminator 16 by the pipeline 15,15 ' that has water pump 14; Also be provided with cooling water inlet and outlet on the secondary chilled water preparation facilities 13.The gas outlet of blower unit also is connected with auxilliary hot heater 2, and auxilliary hot heater 2 links to each other with the delivery port of solar thermal collector 1 and the water inlet of hot water storage tank 3 respectively by pipeline 6,7.Wherein solar thermal collector (1) is flat plate collector or electron tubes type heat collector.Auxilliary heat exchanger 2 is shell-and-tube heat exchanger or dividing wall type heat exchanger.Chilled water preparation facilities 9 is spray type refrigerating system, absorption system or adsorption refrigeration system.Cooling heat exchanger 12, secondary cooling moisture eliminator 16 are dividing wall type heat exchanger.Chilled water preparation facilities 13 is compressor refrigeration system or steam-refrigerated system.
In the use, the hot water through chilled water preparation facilities 9 back temperature reduce enters solar thermal collector 1 by pipe fitting 4 and absorbs solar radiant energy production on daytime hot water, and hot water enters hot water storage tank 3 through pipe fitting 5.When solar radiation is not enough, the hot water that temperature reduces enters the auxilliary hot heater 2 that is arranged on the air blast exhaust pipeline section by pipe fitting 6, water after the heating enters hot water storage tank 3 by pipe fitting 7, reduces the hot-blast stove that supplies again toward the rear portion slightly through the air of assisting hot heater 2.The hot water for preparing is conducted to chilled water preparation facilities 9 by water pump 8, returns solar thermal collection system after finishing using.Use and so forth.
Enter chilled water preparation facilities 9 by heat-exchanger pump 8 for the hot water that comes, the cooling water that the chilled water preparation facilities needs is provided by the outside, 10 pressurizations enter cooling heat exchanger 12 to the chilled water for preparing through water pump, the chilled water of finishing using is got back to the chilled water preparation system through piping 11 '. enter cooling heat exchanger 12 through the pneumatic filter filtered air by pipeline, air themperature enters into the chilled water that secondary cooling moisture eliminator 16. is produced by the secondary chilled water preparation facilities 13 of other energy (electric energy or steam etc.) driving through piping 17 after dropping to uniform temperature by atmospheric temperature again, 14 pressurizations enter secondary cooling moisture eliminator 16 through water pump, the chilled water of finishing using is got back to secondary chilled water preparation facilities 13. through the air of the first order cooling dehumidification of lowering the temperature through piping 15 in secondary cooling moisture eliminator 16, airborne part water recovery is also removed through demister, and air humidity enters blast furnace blower 19. after dropping to and satisfying the iron-smelting process requirement
The gas cooling system makes full use of solar radiation and the consistent characteristics of atmospheric temperature fluctuation in the utility model, morning and evening and nocturnal radiation are less, atmospheric temperature is lower simultaneously, the gas cooling system is out of service, solar radiation strengthens gradually when daytime, after atmospheric temperature also raises gradually, the gas cooling system puts into operation, utilize the solar refrigeration technology to lower the temperature for the first time to air blast is air-breathing, the atmospheric temperature level sooner or later that is controlled at that the air blast suction temperature is comparatively stable, stablized the load of secondary heat sink, reduced and utilized compressor or the needed electric energy of steam-refrigerated technology or other energy merely.After auxilliary hot heater 2 is set, under the not enough situation of solar radiation, the high-temperature hot air that hot water preparation utilizes air blast to discharge is warm as assisting, and prepares hot water in auxilliary hot heater 2, guarantee the temperature of hot water and the preparation of chilled water, thereby finally guarantee the air-breathing elementary cooling-down effect of air blast; When setting should not assisted hot heater 2, can reach total air-breathing cooling of air blast and dehumidification effect by the load proportion of adjustments of gas cooling system and secondary heat sink.In secondary heat sink, can adopt conventional electric energy or steam-refrigerated technology to produce chilled water, chilled water carries out secondary cooling and dehumidification to the air through first cooling.
On gas cooling system refrigeration cool-down basis, secondary chilled water preparation facilities 13 is set, and the chilled water of production carries out secondary cooling to air blast is air-breathing, in dehumidifying device inside, the moisture that gets off that condenses is collected by demister, makes the air water capacity that enters air blast reach reduced levels.Because of the gas cooling system adopts the solar refrigeration technology, make full use of regenerative resource, saved the required energy consumption of secondary cooling, saved the energy of part blower simultaneously, stablize the effect of the air-breathing cooling dehumidification of blast furnace blower, thereby finally guaranteed the stable and energy-saving and production-increase of conditions of blast furnace.
The intake air filter of air blast 19 can be a monoblock type with cooling heat exchanger 12, secondary cooling moisture eliminator 16, is three-in-one device---air filtration and cooling dehumidification composite set also can be split type.
The utility model can be determined the form of solar heat collector 1 in the utility model and the Specifeca tion speeifications such as heat exchange area of area, refrigeration system chilled water temperature and lower the temperature heat exchanger 12, secondary cooling moisture eliminator 16 according to different regions meteorological condition, different blast furnace operating conditions in the engineering practical application.Can certainly a plurality of gas heat sinks of cascade, can reach a better effect to the gas cooling like this.This all is subjected to protection of the present utility model.

Claims (10)

1. process gas cooling system is characterized in that: described process gas cooling system comprises solar thermal collector (1), hot water storage tank (3), chilled water preparation facilities (9), cooling heat exchanger (12) and pipeline (4 ', 4,11,11 ') and water pump (8,10);
The delivery port of described solar thermal collector (1) connects the water inlet of described hot water storage tank (3) by pipeline (5), (3) delivery port of described hot water storage tank is connected the hot water inlet of described chilled water preparation facilities (9) by the pipeline (4 ') that has water pump (8), and the hot water outlet of described chilled water preparation facilities (9) is back to the water inlet of described solar thermal collector (1) by pipeline (4);
Described chilled water preparation facilities (9) connects the chilled water inlet and the chilled water outlet of described cooling heat exchanger (12) by the pipeline (11,11 ') that has water pump (10).
2. process gas cooling system as claimed in claim 1 is characterized in that: the gas outlet of described process gas cooling system is connected to air blast (19) air inlet by pipeline (17); The gas outlet of described air blast (19) also is connected with auxilliary hot heater (2), and described auxilliary hot heater (2) links to each other with the delivery port of solar thermal collector (1) and the water inlet of hot water storage tank (3) respectively by pipeline (6,7).
3. process gas cooling system as claimed in claim 2, it is characterized in that: also be connected with secondary cooling systems for moisture removal between the gas outlet of described cooling heat exchanger (12) and the air blast (19), described secondary cooling systems for moisture removal comprises secondary cooling moisture eliminator (16), secondary chilled water preparation facilities (13);
Described secondary chilled water preparation facilities (13) provides required chilled water for secondary cooling moisture eliminator (16), described secondary chilled water preparation facilities (13) connects the chilled water inlet and the chilled water outlet of secondary cooling moisture eliminator (16) by the pipeline (15,15 ') that has water pump (14).
4. process gas cooling system as claimed in claim 3 is characterized in that: described solar thermal collector (1) is flat plate collector or electron tubes type heat collector.
5. process gas cooling system as claimed in claim 3 is characterized in that: described auxilliary hot heater (2) is shell-and-tube heat exchanger or dividing wall type heat exchanger.
6. process gas cooling system as claimed in claim 3 is characterized in that: described chilled water preparation facilities (9) is spray type refrigerating system, absorption system or adsorption refrigeration system.
7. process gas cooling system as claimed in claim 3 is characterized in that: described cooling heat exchanger (12) and secondary cooling moisture eliminator (16) are dividing wall type heat exchanger.
8. process gas cooling system as claimed in claim 3 is characterized in that: described chilled water preparation facilities (13) is compressor refrigeration system or steam-refrigerated system.
9. process gas cooling system as claimed in claim 3 is characterized in that: the air inlet of described cooling heat exchanger (12) also is connected with pneumatic filter.
10. process gas cooling system as claimed in claim 9 is characterized in that: described cooling heat exchanger (12), pneumatic filter and secondary cooling moisture eliminator (16) are monoblock type or split type.
CN 200920128546 2009-08-20 2009-08-20 System for cooling process gas Expired - Fee Related CN201463402U (en)

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Application Number Priority Date Filing Date Title
CN 200920128546 CN201463402U (en) 2009-08-20 2009-08-20 System for cooling process gas

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Application Number Priority Date Filing Date Title
CN 200920128546 CN201463402U (en) 2009-08-20 2009-08-20 System for cooling process gas

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101644507A (en) * 2009-08-20 2010-02-10 中冶赛迪工程技术股份有限公司 Process gas cooling system
CN104034065A (en) * 2014-07-09 2014-09-10 赵家春 Solar energy-storage type heat supply method and device of the solar energy-storage type heat supply method
CN108050727A (en) * 2017-10-24 2018-05-18 新奥泛能网络科技股份有限公司 Data center's energy supplying system and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101644507A (en) * 2009-08-20 2010-02-10 中冶赛迪工程技术股份有限公司 Process gas cooling system
CN104034065A (en) * 2014-07-09 2014-09-10 赵家春 Solar energy-storage type heat supply method and device of the solar energy-storage type heat supply method
CN104034065B (en) * 2014-07-09 2016-06-01 赵家春 Solar energy accumulation formula heat supply method and device thereof
CN108050727A (en) * 2017-10-24 2018-05-18 新奥泛能网络科技股份有限公司 Data center's energy supplying system and method

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100512

Termination date: 20180820