CN207610313U - Regional Energy station cooling central transference based on utilizing waste heat for refrigeration and gradient utilization system - Google Patents
Regional Energy station cooling central transference based on utilizing waste heat for refrigeration and gradient utilization system Download PDFInfo
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- CN207610313U CN207610313U CN201721780136.4U CN201721780136U CN207610313U CN 207610313 U CN207610313 U CN 207610313U CN 201721780136 U CN201721780136 U CN 201721780136U CN 207610313 U CN207610313 U CN 207610313U
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- cooling
- refrigeration
- water
- cooling water
- waste heat
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
Abstract
The utility model discloses Regional Energy station cooling central transferences and gradient utilization system based on utilizing waste heat for refrigeration, including steam power plant's utilizing waste heat for refrigeration cooling center, cooling water transmission pipeline network, energy source station cooling water gradient utilization system；The exhaust-heat absorption formula handpiece Water Chilling Units at steam power plant's utilizing waste heat for refrigeration cooling center use step series system, and high-temperature tempering is cooled to required cooling water supply temperature by point two-stage, obtains low-temperature cooling water；Low-temperature cooling water is delivered to energy source station cooling water gradient utilization system by cooling water transmission pipeline network；Sub-cooled water cascade is used in series by three or more the water cooling electricity refrigeration handpiece Water Chilling Units of energy source station cooling water gradient utilization system with identical step series system.Regional Energy station is cooled down central transference to steam power plant and utilizes utilizing waste heat for refrigeration promotion energy source station engine efficiency by the utility model, promote energy source station cooling ability and environmental benefit, conveying water and conveying energy consumption are reduced by big temperature differential grade Land use systems, promotes entire gradient utilization system operational efficiency.
Description
Technical field
The utility model is related to cooling waters to utilize field, more particularly to the Regional Energy station cooling center based on utilizing waste heat for refrigeration
Transfer and gradient utilization system.
Background technology
The Regional Energies project such as distributed energy, cold, heat and electricity triple supply, region central cooling heat supply is at home in recent years
It has obtained carrying forward vigorously development, Regional Energy is built as a kind of high efficiency of energy utilization technology for the energy supply in city, low-carbon
And if Green Development is made that contribution outstanding.With the practical propulsion of project, a series of problems that Regional Energy is faced
It is more and more prominent, or even constrain its practical popularization and application.From the area for coming in flourish and north promote in south China
From the point of view of the cooling project of domain, mainly there is problems with：
1, energy source station takes up an area problem：Because chilled water conveying radius is limited, Regional Energy station is generally built (normal in load center
For the centers CBD, government affair centre, financial accumulation regions etc.), refrigeration system, cooling system, energy-storage system and mating need to be arranged in energy source station
Change distribution, systems, the installed capacity such as plumbing often cannot be satisfied demand because land used is limited, often need external power, heating power etc.
Supplement；
2, cooling tower is put and heat dissipation problem：Energy source station cooling tower is generally concentrated and is placed in roof, and multigroup cooling tower is concentrated
Cooling tower heat-sinking capability is produced bigger effect when putting, is cooled down frequently with auxiliary heat dissipation means or amplification when cooling capacity deficiency
The processing modes such as tower are run in the opposite direction with high efficiency of energy using principle, extreme influence energy source station installed capacity；Energy source station is located at city
Requirement when center on roof or alien invasion moulding will further influence cooling tower heat dissipation effect；
3, energy source station using it is attached build formula or the construction of (partly) underground type when, cooling tower is by other building roofs of occupied area, shadow
Ring urban economy and environment；
4, cooling tower buzz problem：Energy source station need to carry out noise reduction process when being located at down town to cooling tower buzz, commonly use
Noise reduction means relatively mostly use in addition to selecting super-silent cooling tower (increasing more investment) and increase noise reduction grid, addition sound-absorbing material
Deng carrying out the means of blocking etc. to cooling tower area, will further influence cooling tower heat dissipation, influence efficiency of energy utilization, limit the energy
It stands installed capacity；
5, energy sources problem：When energy source station uses utilizing waste heat for refrigeration, nearby thermal power station after-heat steam or waste heat are warm for often access
Water is freezed using absorption chiller, due to cooling water inflow bigger needed for absorption machine, influences its installation scale；It is common
Absorption chiller can only produce 6 DEG C or more chilled waters, to meet the big temperature difference cooling required by energy source station, frequently with absorption
The way in machine upstream tandem electric refrigerating machine or ice storage downstream increases system complexity, reduces reliability.
Problem above majority is related with energy source station cooling problem, when limitation installed capacity, second is that reducing using energy source effect
Rate, third, influencing Urban Acoustic Environment and beauty.
Utility model content
The shortcomings that the main purpose of the utility model is to overcome the prior arts and deficiency, provide the area based on utilizing waste heat for refrigeration
Domain energy source station cooling central transference and gradient utilization system.
Regional Energy station cooling central transference based on utilizing waste heat for refrigeration and gradient utilization system, including steam power plant's utilizing waste heat for refrigeration
Cooling center, cooling water transmission pipeline network, energy source station cooling water gradient utilization system；Wherein pericardium in the cooling of steam power plant's utilizing waste heat for refrigeration
Two exhaust-heat absorption formula handpiece Water Chilling Units for being set to steam power plant are included, exhaust-heat absorption formula handpiece Water Chilling Units use step series system, and
High-temperature tempering is cooled to required cooling water supply temperature to get to low-temperature cooling water by point two-stage；Cooling water transmission pipeline network will be low
Warm cooling water is delivered to energy source station cooling water gradient utilization system；Energy source station cooling water gradient utilization system includes three or more
Water cooling electricity freezes handpiece Water Chilling Units, and three or more water cooling electricity refrigeration handpiece Water Chilling Units are with identical step series system by low-temperature cooling water
Step is used in series.
The series connection series of the energy source station cooling water gradient utilization system is more than steam power plant's utilizing waste heat for refrigeration and cools down center, the energy
The temperature difference between the series connection series for cooling water gradient utilization system of standing is less than steam power plant's utilizing waste heat for refrigeration and cools down center.
The energy source station cooling water gradient utilization system is run using the big temperature difference.Reduce conveying water and conveying energy consumption.
The exhaust-heat absorption formula handpiece Water Chilling Units meet big temperature difference chilled water cooling condition.
The water cooling electricity refrigeration handpiece Water Chilling Units meet big temperature difference cooling water cooling condition.
The utility model compared with prior art, has the following advantages that and advantageous effect：
1, based on solving the problems, such as that energy source station cooling sets out, in combination with Technique of Utilizing Waste Heat For Refrigeration, the utility model proposes based on
The Regional Energy station cooling central transference and gradient utilization system of utilizing waste heat for refrigeration, steam power plant's utilizing waste heat for refrigeration cool down center by energy source station
Conventional arrangement of Cooling Towers are transferred to steam power plant and are cooled down using utilizing waste heat for refrigeration, two layers of gradient utilization system point：Utilizing waste heat for refrigeration system
The big temperature differential grade cascade refrigeration system (i.e. steam power plant's utilizing waste heat for refrigeration cools down center) of system and the plural serial stage cooling of energy source station
System (i.e. energy source station cooling water gradient utilization system).The utility model utilizes the exhaust-heat absorption formula refrigeration dress for being set to steam power plant
It sets step series connection and produces low-temperature cooling water needed for energy source station, which, which is far below, commonly uses cooling water temperature, thus for
Energy source station uses cooling water cascade series multistage, using cooling range >=30 DEG C, to by energy source station cool down center from
Load center is transferred to steam power plant, Maximal solution exoergic source station refrigerating capacity, and simplifies energy source station system and equipment, promoted it is economical with
Environmental benefit, and host refrigerating efficiency is further promoted by low-temperature cooling water.The cooling water of the big temperature difference of cascade utilization simultaneously
Conveying energy consumption can be reduced, performance driving economy is promoted.
It, can be by first order coolant water temperature since cooling water front end is the chilled water produced using exhaust-heat absorption formula handpiece Water Chilling Units
6~16 DEG C are reduced to, considers to absorb engine efficiency and transmission pipeline network loss, first order coolant water temperature can be set as to 12~16 DEG C,
Every grade of temperature difference can be 6~10 DEG C, cooling water temperature can according to etc. the temperature difference or logarithmic temperature differences mode is waited to carry out three-level cascade utilization,
Third level cooling water temperature can be adjusted up to 36~38 DEG C according to actual conditions.36~38 DEG C of height after energy source station use
Warm cooling backwater is delivered to steam power plant's utilizing waste heat for refrigeration center, is freezed using two-stage series connection exhaust-heat absorption formula handpiece Water Chilling Units, by 36~
38 DEG C of return water are first cooled to 22~26 DEG C, after continue to be cooled to 12~16 DEG C and (ignore low-temperature cooling water refrigerating loss in transmission process
And High-temperature cooling water-cooled).
This scheme can also be achieved steam power plant and be carried out in situ exhaust-heat absorption formula refrigeration, produces higher temperature and is carried out as cooling water
Conveying is semi-finished product compared with directly producing lower temperature and being conveyed as chilled water, when the former is as cooling water, and transmission process is cold
It is only relatively low on the generation of follow-up refrigeration unit efficiency in loss to influence and (often lose 1 DEG C of refrigeration host computer loss about 3%), and the latter's conduct
It is finished product when chilled water, transmission process refrigerating loss is by the direct losses part cold.
Regional Energy station is cooled down into central transference to steam power plant, and produces low-temperature cooling water and carries out cascade utilization, it can be very big
Energy source station refrigerating capacity is liberated, promotes energy utilization rate and environmental benefit, and host system is further promoted by low-temperature cooling water
Cold efficiency.The cooling water of the big temperature difference of cascade utilization can reduce conveying energy consumption simultaneously, promote performance driving economy.Be conducive to expand and supply
Cold radius.
2, the utility model cools down center using utilizing waste heat for refrigeration transport zone energy source station, cancels Regional Energy station cooling tower simultaneously
High-quality cooling water is provided, discharges energy source station cold and heat supply ability, and promote environmental benefit.
3, the utility model carries out absorption refrigeration using steam power plant's waste heat, realizes waste heat, waste heat cascade utilization, promotes one
Secondary energy utilization rate.
4, the utility model expands cooling water using the temperature difference, and circulating chilled water water is greatly decreased, reduces pipe network conveying energy consumption
With refrigerating loss.
5, the utility model reduces electrical chillers cooling water temperature, improves refrigeration unit operational efficiency.
6, the utility model improves absorption chiller chilled water temperature, improves refrigeration unit operational efficiency.
Description of the drawings
Fig. 1 is Regional Energy station cooling central transference and gradient utilization system described in the utility model based on utilizing waste heat for refrigeration
Structural schematic diagram.
Fig. 2 is the partial structurtes enlarged drawing at steam power plant's utilizing waste heat for refrigeration cooling described in the utility model center.
Fig. 3 is the partial structurtes enlarged drawing of energy source station cooling water gradient utilization system described in the utility model.
Reference numeral meaning is as follows：
1- steam power plants utilizing waste heat for refrigeration cooling center, 2- cooling waters transmission pipeline network, 3- energy source station cooling waters gradient utilization system,
101- the first exhaust-heat absorption formulas handpiece Water Chilling Units, 102- the second exhaust-heat absorption formulas handpiece Water Chilling Units, 201- cooling waters pipe network, 202-
Cooling water return pipe net, 301- the first water cooling electricity refrigeration handpiece Water Chilling Units, 302- the second water cooling electricity refrigeration handpiece Water Chilling Units, 303- thirds
Water cooling electricity refrigeration handpiece Water Chilling Units.
Specific implementation mode
The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model
Mode is without being limited thereto.
Such as Fig. 1,2,3, the Regional Energy station cooling central transference based on utilizing waste heat for refrigeration and gradient utilization system, including thermoelectricity
Factory's utilizing waste heat for refrigeration cooling center, cooling water transmission pipeline network, energy source station cooling water gradient utilization system；Wherein cooling water transmission pipeline network
Including comprising cooling water pipe network, cooling water return pipe net, cooling water pipe network needs to keep the temperature, refrigerating loss, return pipe are reduced
Net is not kept the temperature, to utilize soil moisture natural cooling.
As shown in Fig. 2, the first exhaust-heat absorption formula handpiece Water Chilling Units, the second waste heat in steam power plant's utilizing waste heat for refrigeration cooling center are inhaled
Receipts formula handpiece Water Chilling Units series operation, the first exhaust-heat absorption formula handpiece Water Chilling Units, the driving heat source of the second exhaust-heat absorption formula handpiece Water Chilling Units
For thermal power station after-heat steam or hot water, cooling water source is the cooling tower for being set to Waste Heat Power Plant；Cooling water return pipe net conveys
38 DEG C of return water enter steam power plant utilizing waste heat for refrigeration cooling center, series connection upstream unit (i.e. the first exhaust-heat absorption formula handpiece Water Chilling Units) confession
38/26 DEG C of return water temperature；Swim unit (i.e. the second exhaust-heat absorption formula handpiece Water Chilling Units) 26/14 DEG C of supply and return water temperature, string in series connection downstream
14 DEG C of low-temperature cooling waters of connection production are delivered to energy source station through cooling water pipe network.
As shown in figure 3, in energy source station cooling water gradient utilization system, the low-temperature cooling water for being delivered to energy source station sequentially enters
Handpiece Water Chilling Units that electrical chillers the first water cooling electricity refrigeration handpiece Water Chilling Units are swum in the upper, middle and lower of thtee-stage shiplock, the second water cooling electricity freezes,
Third water cooling electricity refrigeration handpiece Water Chilling Units；Cooling water supply and return water temperature upstream unit (i.e. the first water cooling electricity freeze handpiece Water Chilling Units) is
14/22 DEG C, middle reaches unit (i.e. the second water cooling electricity refrigeration handpiece Water Chilling Units) is 22/30 DEG C, and (i.e. third water cooling electricity freezes downstream unit
Handpiece Water Chilling Units) it is 30/38 DEG C, the high-temperature cooling water after use is delivered to steam power plant's utilizing waste heat for refrigeration again through cooling water return pipe net
Cooling center, recycles.
It, can be by first order coolant water temperature since cooling water front end is the chilled water produced using exhaust-heat absorption formula handpiece Water Chilling Units
6~16 DEG C are reduced to, considers to absorb engine efficiency and transmission pipeline network loss, first order coolant water temperature can be set as to 14 DEG C, every grade
The temperature difference can be 8 DEG C, i.e. first order cooling water supply and return water temperature is 14/22 DEG C, and second level supply and return water temperature is 22/30 DEG C, third
Grade supply and return water temperature is 30/38 DEG C, and third level cooling water temperature can be adjusted according to actual conditions.38 after energy source station use
DEG C High-temperature cooling return water is delivered to steam power plant's utilizing waste heat for refrigeration cooling center, utilizes two-stage series connection exhaust-heat absorption formula handpiece Water Chilling Units system
It is cold, 38 DEG C of return water are first cooled to 26 DEG C, after continue to be cooled to 14 DEG C and (ignore low-temperature cooling water refrigerating loss and height in transmission process
The cooling water-cooled of temperature).
It should be noted that some pipelines are drawn with dotted line in Fig. 1,2,3, this is not mistake, but in this field
In generally supply water indicated by the solid line, return water is represented by dashed line.
Regional Energy station can be cooled down central transference and promote energy source station to steam power plant and using utilizing waste heat for refrigeration by the utility model
Engine efficiency promotes energy source station cooling ability and environmental benefit, and defeated by the reduction of big temperature differential grade Land use systems
Pushing quantity and conveying energy consumption, to promote entire gradient utilization system operational efficiency.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model is not by above-mentioned
The limitation of embodiment, under other any Spirit Essences and principle without departing from the utility model made by change, modify, replace
In generation, simplifies combination, should be equivalent substitute mode, is included within the scope of protection of the utility model.
Claims (5)
1. the Regional Energy station cooling central transference based on utilizing waste heat for refrigeration and gradient utilization system, it is characterised in that：Including thermoelectricity
Factory's utilizing waste heat for refrigeration cooling center, cooling water transmission pipeline network, energy source station cooling water gradient utilization system；Wherein steam power plant's utilizing waste heat for refrigeration
Cooling center includes two exhaust-heat absorption formula handpiece Water Chilling Units for being set to steam power plant, and exhaust-heat absorption formula handpiece Water Chilling Units use step string
Connection mode, and high-temperature tempering is cooled to required cooling water supply temperature to get to low-temperature cooling water by point two-stage；Cooling water conveys
Low-temperature cooling water is delivered to energy source station cooling water gradient utilization system by pipe network；Energy source station cooling water gradient utilization system includes three
A above water cooling electricity refrigeration handpiece Water Chilling Units, three or more water cooling electricity refrigeration handpiece Water Chilling Units will be low with identical step series system
The cooling water cascade of temperature is used in series.
2. Regional Energy station cooling central transference and gradient utilization system based on utilizing waste heat for refrigeration according to claim 1,
It is characterized in that：The series connection series of the energy source station cooling water gradient utilization system is more than steam power plant's utilizing waste heat for refrigeration and cools down center, energy
The temperature difference between the series connection series of source station cooling water gradient utilization system is less than steam power plant's utilizing waste heat for refrigeration and cools down center.
3. Regional Energy station cooling central transference and gradient utilization system based on utilizing waste heat for refrigeration according to claim 1,
It is characterized in that：The energy source station cooling water gradient utilization system is run using the big temperature difference.
4. Regional Energy station cooling central transference and gradient utilization system based on utilizing waste heat for refrigeration according to claim 1,
It is characterized in that：The exhaust-heat absorption formula handpiece Water Chilling Units meet big temperature difference chilled water cooling condition.
5. Regional Energy station cooling central transference and gradient utilization system based on utilizing waste heat for refrigeration according to claim 1,
It is characterized in that：The water cooling electricity refrigeration handpiece Water Chilling Units meet big temperature difference cooling water cooling condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721780136.4U CN207610313U (en) | 2017-12-15 | 2017-12-15 | Regional Energy station cooling central transference based on utilizing waste heat for refrigeration and gradient utilization system |
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| CN201721780136.4U CN207610313U (en) | 2017-12-15 | 2017-12-15 | Regional Energy station cooling central transference based on utilizing waste heat for refrigeration and gradient utilization system |
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| CN207610313U true CN207610313U (en) | 2018-07-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894051A (en) * | 2017-12-15 | 2018-04-10 | 华南理工大学建筑设计研究院 | Regional Energy station cooling central transference and gradient utilization system based on utilizing waste heat for refrigeration |
| CN110657595A (en) * | 2019-10-11 | 2020-01-07 | 扬州恒德工业科技有限公司 | Single compressor multiple temperature cold water system |
-
2017
- 2017-12-15 CN CN201721780136.4U patent/CN207610313U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894051A (en) * | 2017-12-15 | 2018-04-10 | 华南理工大学建筑设计研究院 | Regional Energy station cooling central transference and gradient utilization system based on utilizing waste heat for refrigeration |
| CN107894051B (en) * | 2017-12-15 | 2023-11-24 | 华南理工大学建筑设计研究院有限公司 | Regional energy station cooling center transferring and cascade utilization system based on waste heat refrigeration |
| CN110657595A (en) * | 2019-10-11 | 2020-01-07 | 扬州恒德工业科技有限公司 | Single compressor multiple temperature cold water system |
| CN110657595B (en) * | 2019-10-11 | 2021-08-06 | 扬州恒德工业科技有限公司 | Single compressor multiple temperature cold water system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 510640 Design Institute Building, South China University of Technology, Tianhe District, Guangzhou City, Guangdong Province Patentee after: South China University of Technology Architectural Design Research Institute Co., Ltd. Address before: 510640 Tianhe District, Guangdong, No. five road, No. 381, Patentee before: Architectural Design Research Institute of SCUT |
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| CP03 | Change of name, title or address |