CN204923587U - Utilize cryogenic cooling tower vapor condensation recovery device of industry low temperature waste heat - Google Patents

Utilize cryogenic cooling tower vapor condensation recovery device of industry low temperature waste heat Download PDF

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Publication number
CN204923587U
CN204923587U CN201520560884.6U CN201520560884U CN204923587U CN 204923587 U CN204923587 U CN 204923587U CN 201520560884 U CN201520560884 U CN 201520560884U CN 204923587 U CN204923587 U CN 204923587U
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China
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cooling tower
waste heat
water
heat
evaporimeter
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CN201520560884.6U
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王为术
朱晓静
徐维晖
穆林
路统
雷佳
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Dalian University of Technology
North China University of Water Resources and Electric Power
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Dalian University of Technology
North China University of Water Resources and Electric Power
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Abstract

The utility model provides an utilize cryogenic cooling tower vapor condensation recovery device of industry low temperature waste heat, includes that cooling tower exhaust passage (1), comdenstion water water conservancy diversion passageway (2), evaporimeter (3), waste heat heat source carry and gets generator (4), refrigerating unit (5), pure water collector (6), control section (7), waste heat heat source (8), cold energy user (9), hot water pipeline (10). Exhaust apparatus top in cooling tower top sets up the evaporimeter, and the cooling tower exhaust apparatus who contains used heat gives the cold water that gets into in the evaporimeter with heat transfer, and moisture condensation in the exhaust is after comdenstion water water conservancy diversion passageway flows into the pure water collector, the heat of industry low temperature waste heat heat source carries through the waste heat heat source to be got the generator and transmits for refrigerating unit, cold energy that the latter prepared out in with the evaporimeter exhaust hot water cool off the cold water that is used by the cold energy user to with the hot water delivery inlet backheat water pipeling that produces, control section connection evaporimeter, refrigerating unit and waste heat heat source carry gets the generator. The utility model discloses make drive power with the low matter waste heat of industry, realize the high -efficient of low matter waste heat and retrieve to it is moisture to retrieve the cooling tower exhaust.

Description

A kind of cooling tower water steam condensing retracting device utilizing industrial low-temperature utilizing waste heat for refrigeration
Technical field
The utility model relates to a kind of cooling tower water steam condensing retracting device utilizing industrial low-temperature utilizing waste heat for refrigeration.
Background technology
China's Situation of water resources is quite severe, and technology water saving is urgently to be resolved hurrily.The existing cooling tower evaporation loss water yield is huge, is difficult to effective recovery, based on the thought of " air water-intaking ", will go out the cooling of tower damp-heat air, and impel wherein water vapor condensation, reach recovery by special physical process.The production line of cooling tower must have industrial exhaust heat, but low low temperature exhaust heat capacity is large, quality is low, is difficult to recycle.Existing recovery cooling tower is vented moisture measure and is mainly and installs dry type heat exchanger, electrode etc. additional, and these methods all have respective deficiency in receipts water efficiency and economy.
Utility model content
Existing solar energy, geothermal energy and the low low temperature exhaust heat of utilizing freezes, heats technology, is mainly used in megastore, office building and large-scale resident's building.And in fact, in industrial production, waste heat amount is large, supply exceed demand, can be used for industrial exhaust heat refrigeration or heating capacity large.Based on such realistic consideration, the utility model proposes and industrial exhaust heat refrigeration and industrial cooling tower steam are reclaimed synergistic combinations, industrial low-temperature waste heat is utilized even to produce cold energy for low low temperature exhaust heat, be vented moisture high-efficiency condensation for industrial cooling tower to reclaim, realize the integration of industrial degree of depth energy-saving and water-saving.
In view of this, an object of the present utility model, is that providing a kind of realizes discarded exhaust-heat absorption formula refrigeration, and the industrial energy saving water saving fog dispersal integral system for reclaiming moisture deep condensation in cooling tower exhaust.
For achieving the above object, according to an aspect of the present utility model, providing a kind of cooling tower water steam condensing retracting device utilizing industrial low-temperature utilizing waste heat for refrigeration, it is characterized in that comprising:
Cooling tower exhaust passage, condensate water guide passage, evaporimeter, waste heat thermal source carry and get generator, refrigeration unit, pure water collection device, control section, industrial low-temperature waste heat thermal source and hot water pipeline,
Wherein
Evaporimeter is arranged on above the exhaust apparatus of cooling tower top,
Base of evaporator is connected with pure water collection device by condensate water guide passage,
Working medium inlet and outlet piping in evaporimeter is connected with refrigeration unit and cold energy user,
Waste heat thermal source carries gets generator and the thermo-contact of industrial low-temperature waste heat thermal source, and the heat of industrial low-temperature waste heat thermal source is passed to refrigeration unit,
Control section carries evaporimeter, refrigeration unit and waste heat thermal source to be got generator and controls.
The size of the heat-transfer surface of described evaporimeter is determined by cooling tower practical structures size and capacity, and heat exchanger comprehensively can be made up of single heat exchange structure or multiple heat exchange structure; Heat-transfer surface can carry out enhanced heat exchange process, abrasion resistant corrosion resistant process.
The water cleanliness factor collected in described pure water collection device is high, can directly be used by industry or different user.
Described waste heat carry get generator not only can from industrial exhaust heat thermal source reclaim heat, also can utilize the compound energy such as mechanical energy, solar energy, and industrial exhaust heat thermal source can be the industrial low-quality thermals source such as low-temperature flue gas, Low Temperature Steam and hot water simultaneously.
The optional ammonia water absorbing refrigerator of described refrigeration unit or lithium-bromide absorption-type refrigerating machine, the cold water that refrigeration unit is produced also can be supplied to other cold energy user, and user uses that the hot water of rear generation is capable of circulation gets back to hot water pipeline; The thermal source pipeline heat exchange surface of refrigeration unit need carry out anticorrosion, abrasionproof process.
Described evaporimeter, low temperature exhaust heat and refrigeration unit adopt modularized design, control section can control it according to cooling tower operating condition, control section, by monitoring cooling tower extraction flow and temperature, regulates the cold produced, and ensures that the heat-energy transducer in evaporimeter fully carries out.
Compared with prior art, the beneficial effects of the utility model are:
1, this device can make full use of the compound energies such as low-quality or low low-quality thermal source, mechanical energy, solar energy in industrial production, the heat not only achieved in industrial processes makes full use of, reach the object of thermal source comprehensive development and utilization simultaneously, save the energy, reduce initial input, there is good energy saving standard benefit.
2, carrying out condensation with employing plate type heat exchanger receives compared with the equipment of water, adopt ammonia water absorbing refrigerator or lithium-bromide absorption-type refrigerating machine, can thermal source be utilized efficiently to freeze, and considerably reduce water capacity and the dew-point temperature of cooling tower exit air, eliminate the white mist in cooling tower exit.The degree of depth simultaneously reaching water resource is recycled, and production efficiency is high, and recycle-water has higher purity, can be directly used in industrial production etc., effectively can alleviate water supply gets.
3, Stability and adaptability is high, and the mode of absorption refrigeration both can use in summer, also can use in winter, little by seasonal effect; And refrigeration unit produce cold energy not only for exhaust solidifying water demist, be also supplied to other users, refrigeration unit efficiency be guaranteed.The running temperature of system is lower, and the corrosion in device have also been obtained reduction, extends device service life, reduces maintenance cost.
4, adopt intelligentized control method, realize the monitoring to cooling tower extraction flow and temperature, and the adjustment to the cold produced, ensure that the heat-energy transducer in evaporimeter fully carries out, avoid residual neat recovering system to cause adverse effect to production line.
5, package unit is industrial afterheat recovery, absorption refrigeration and solidifying water demist conbined usage, and generalization is good, and modular construction is easy for installation, and operation and maintenance is simple and reliable, achieves the integration of industrial energy saving water saving.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or can be instructed from practice of the present utility model.
Accompanying drawing illustrates:
Fig. 1 is that a kind of industrial low-temperature utilizing waste heat for refrigeration recovery cooling tower that utilizes of the utility model is vented moisture system diagram.
Reference numeral: 1-cooling tower is vented; 2-condensate water guide passage; 3-evaporimeter; 4-waste heat thermal source carries gets generator; 5-refrigeration unit; 6-pure water collection device; 7-control section; 8-waste heat thermal source; 9-cold energy user; 10-hot water pipeline.
Detailed description of the invention:
The utility model is described in further detail by reference to the accompanying drawings by the following examples.
As shown in Figure 1, be vented moisture system according to the industrial low-temperature utilizing waste heat for refrigeration recovery cooling tower that utilizes of an embodiment of the present utility model, wherein, top, cooling tower top exhaust apparatus (1) is furnished with evaporimeter (3), carries out degree of depth recovery to the moisture contained in cooling tower exhaust apparatus (1); The water that condensation is got off flows into pure water collection device (6) through condensate water guide passage (2); In evaporimeter (3) heat-transfer surface, working medium is cold water, is provided by refrigeration unit (5), flows back to refrigeration unit (5) again recycle through changing thermogenetic hot water.
According in embodiment of the present utility model, refrigeration unit (5) can adopt ammonia absorption type refrigeration or lithium bromide absorbing type refrigeration, required thermal source is carried by waste heat thermal source gets heat in generator (4) extraction industrial low-temperature waste heat thermal source (8), also can utilize the compound energy such as mechanical energy, solar energy simultaneously.The hot water of discharging in evaporimeter (3) is cooled to cold water by the heat that refrigeration unit (5) absorbs, then circulating chilled water is supplied evaporimeter (3).
Because the available heat amount of industrial low-temperature waste heat is large, the unnecessary cold that refrigeration unit (5) produces can be used by other cold energy user, and the hot water circuit that the cold water after user uses produces is to hot water pipeline (10).
Evaporimeter (3), refrigeration unit (5) and waste heat thermal source carry to be got generator (4) and is connected to control section (7); Control section (7), by monitoring cooling tower extraction flow and temperature, regulates the cold produced, and ensures that the heat-energy transducer in evaporimeter (3) fully carries out, avoids residual neat recovering system to cause adverse effect to production line.
As preferably, evaporimeter (3), low temperature exhaust heat (4) and refrigeration unit (5) adopt modularized design, conveniently install and volume production, and wherein evaporimeter (3) can be made up of one or more heat exchange structure.The size of the heat-transfer surface of evaporimeter (3) is determined by cooling tower structure size and capacity.
As preferably, refrigeration unit (5) adopts ammonia absorption type refrigeration or lithium bromide absorbing type refrigeration, also can select other that the refrigeration working medium of low temperature heat energy can be utilized to freeze.

Claims (6)

1. utilize a cooling tower water steam condensing retracting device for industrial low-temperature utilizing waste heat for refrigeration, it is characterized in that comprising:
Cooling tower exhaust passage (1), condensate water guide passage (2), evaporimeter (3), waste heat thermal source carry and get generator (4), refrigeration unit (5), pure water collection device (6), control section (7), industrial low-temperature waste heat thermal source (8) and hot water pipeline (10)
Wherein
Evaporimeter (3) is arranged on top, cooling tower top exhaust apparatus (1),
Evaporimeter (3) bottom is connected with pure water collection device (6) by condensate water guide passage (2),
Working medium inlet and outlet piping in evaporimeter is connected with refrigeration unit (5) and cold energy user (9),
Waste heat thermal source carries gets generator (4) and industrial low-temperature waste heat thermal source (8) thermo-contact, and the heat of industrial low-temperature waste heat thermal source (8) is passed to refrigeration unit (5),
Control section (7) carries evaporimeter (3), refrigeration unit (5) and waste heat thermal source to be got generator (4) and controls.
2. cooling tower water steam condensing retracting device as claimed in claim 1, it is characterized in that the size of the heat-transfer surface of described evaporimeter (3) is determined by cooling tower structure size and capacity, this heat-transfer surface comprises single heat exchange structure and/or multiple heat exchange structure.
3. cooling tower water steam condensing retracting device as claimed in claim 1, it is characterized in that described waste heat carries and get generator (4) both from industrial exhaust heat thermal source (8) recovery heat, also adopt the compound energy comprising mechanical energy, solar energy simultaneously.
4. the cooling tower water steam condensing retracting device as described in claim 1 or 3, is characterized in that described industrial exhaust heat thermal source (8) comprises at least one in the industrial low-quality thermals source such as low-temperature flue gas, Low Temperature Steam and hot water.
5. cooling tower water steam condensing retracting device as claimed in claim 1, is characterized in that described refrigeration unit (5) comprises ammonia water absorbing refrigerator and/or lithium-bromide absorption-type refrigerating machine.
6. cooling tower water steam condensing retracting device as claimed in claim 1, it is characterized in that, the cold water that described refrigeration unit (5) is produced is supplied to cold energy user (9), and the hot water circuit after described refrigeration unit (5) uses gets back to hot water pipeline (10).
CN201520560884.6U 2015-07-29 2015-07-29 Utilize cryogenic cooling tower vapor condensation recovery device of industry low temperature waste heat Active CN204923587U (en)

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Application Number Priority Date Filing Date Title
CN201520560884.6U CN204923587U (en) 2015-07-29 2015-07-29 Utilize cryogenic cooling tower vapor condensation recovery device of industry low temperature waste heat

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107741165A (en) * 2017-11-15 2018-02-27 华北电力大学(保定) One kind energy-conservation demisting dry and wet combination cooling tower

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107741165A (en) * 2017-11-15 2018-02-27 华北电力大学(保定) One kind energy-conservation demisting dry and wet combination cooling tower
CN107741165B (en) * 2017-11-15 2023-05-12 华北电力大学(保定) Energy-saving demisting dry-wet mixed cooling tower

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