CN102147121A - Central heating system utilizing condensing and cooling heat in form of gradient - Google Patents

Central heating system utilizing condensing and cooling heat in form of gradient Download PDF

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Publication number
CN102147121A
CN102147121A CN2010101058285A CN201010105828A CN102147121A CN 102147121 A CN102147121 A CN 102147121A CN 2010101058285 A CN2010101058285 A CN 2010101058285A CN 201010105828 A CN201010105828 A CN 201010105828A CN 102147121 A CN102147121 A CN 102147121A
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China
Prior art keywords
cooling
heat
circulating water
cooling circulating
heating system
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Granted
Application number
CN2010101058285A
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Chinese (zh)
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CN102147121B (en
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陈连祥
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Individual
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Individual
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Priority to CN201010105828.5A priority Critical patent/CN102147121B/en
Priority to PCT/CN2011/070801 priority patent/WO2011095123A1/en
Publication of CN102147121A publication Critical patent/CN102147121A/en
Application granted granted Critical
Publication of CN102147121B publication Critical patent/CN102147121B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D12/00Other central heating systems
    • F24D12/02Other central heating systems having more than one heat source
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00Heat sources or energy sources
    • F24D2200/16Waste heat
    • F24D2200/18Flue gas recuperation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00Heat sources or energy sources
    • F24D2200/16Waste heat
    • F24D2200/24Refrigeration
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

The invention provides a central heating system utilizing condensing and cooling heat in the form of gradient, comprising a higher temperature cooling circulating water inlet pipeline, a cooling circulating water inlet header pipe of a cooling device (at the moment, the higher temperature cooling circulating water is first gathered to the cooling circulating water inlet water and then sent into cooling devices like a cooling tower and the like) and a standard cooling circulating water return pipeline. The central heating system is characterized in that, between the higher temperature cooling circulating water inlet pipeline and the standard cooling circulating water return pipeline, before the higher temperature cooling circulating water inlet water flows to the cooling device to be gathered to the cooling circulating water inlet header pipe, the central heating system utilizing condensing and cooling heat in the form of gradient is formed. By using the invention, the condensing and cooling heat in the process can be effectively utilized to save energy resources, reduce condensing and cooling load, reduce heat pollution and save large amounts of water resources.

Description

A kind of echelon is utilized the central heating system of condensation cooling heat
Technical field
The invention belongs to condensation, cooling heat heating system equipment, specifically is a kind of central heating system that utilizes petrochemical industry and have the discarded low-temperature heat quantity of condensation, cooling heat enterprise.
Background technology
At present, it is to be disposed in the environment on the potential temperature that can directly utilize in productive life that the condensation in the enterprise production process such as petrochemical industry, cooling heat have many, causes thermal pollution, wastes resources such as big water gaging, electricity, medicament simultaneously.And utilizing the conventional identical heat energy of mode of heating production quality its peripheral heat user, if can utilize condensation, cooling heat to replace the heat of other productive life, realize that " coproduction of heat enterprise " is bound to produce huge environment, economic benefit promotes the well-being of mankind.
Summary of the invention
In order effectively to utilize condensation, cooling wasted energy, the present invention proposes a kind of enterprise such as petrochemical industry that utilizes, certainly lead in the production process and condensation, cooling heat central heating system that enterprise can't directly utilize.
The present invention is achieved through the following technical solutions, sets up preposition heat-exchanger rig system, the reheat machine system, and heat energy utilization apparatus system and hot water are for return pipe line, recooling plant system.Wherein recooling plant can the newly-built or former cooling system device of renovation and utilization.The thermal source of reheat machine is by air cooler, the oil gas cooler, devices such as water cooler, heat pipe, heat pump, boiler provide thermal source, between the cooling circulating water of existing higher potential temperature removes pipeline before cooling device or cooling circulating water come water to gather, be connected in series preposition heat-exchanger rig successively, the heat that higher potential temperature cooling circulating water comes water is obtained by preposition heat-exchanger rig system.
By come out lower of preposition heat exchanger but the cooling circulating water that does not reach technology cooling potential temperature as yet enters recooling plant be cooled to the technological requirement potential temperature after, be back to process unit through cool cycles recirculated water return pipe, get the heat exchange amount, finish cool cycles.
In system of the present invention, higher potential temperature cool cycles comes water to enter reheat machine at the heat supply hot water of preposition heat-exchanger rig release heat heating through heat supply pipeline, continue to heat up, through pipeline to Btu utilization device release heat, cooling back heat supply backwater enters preposition heat-exchanger rig through return piping and gets the heat exchange amount, finishes the Btu utilization circulation.
A kind of improved form of the present invention is, between heat supply return piping and preposition heat exchange dress, be connected in series secondary Btu utilization device and low temperature thermal compensation device successively, improve the pipeline utilization ratio so that make full use of cooling used heat more, the heat supply backwater that comes out from secondary Btu utilization device enters the low temperature thermal compensation device and is warming up to T h(T hBe that preposition heat exchanger cooling circulating water backwater reaches the technological requirement temperature T yThe time pairing preposition heat exchanger heat supply return water temperature) after enter preposition heat-exchanger rig and exchange heat for and finish Btu utilization circulation.Condensation cooling heat central heating system of the present invention, the condensation cooling heat of higher potential temperature in the production technology can partly or all be utilized once more, the condensation cooling load of technological requirement is by preposition heat-exchanger rig, and Btu utilization device, Aftercooling device are cooled to technological requirement jointly.Both reduced the technology cooling load, reduced thermal pollution, reduced resource consumptions such as water money, electricity, medicament, and saved heat again and put the use device primary energy consumption.When the Btu utilization device side had refrigeration demand, native system can be refrigeration plant provided refrigeration machine required driving heat source.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The numbering explanation:
1 higher temperatures cooling circulating water comes water pipeline 2 higher potential temperature cooling circulating water return pipings 3, heat supply hot water piping 4, heat supply return piping 5, preposition heat exchange water device 6, Btu utilization device 7, recooling plant 8, reheat machine 9, secondary Btu utilization device 10, low temperature thermal compensation device 11, cooling circulating water back with water inlet line 12, cooling circulating water return piping 13, cooling circulating water return piping device 5 up to standard by heat exchanger valve pump control apparatus, pipeline group apparatus for converting 6 is made up of with hot equipment and pipeline heat exchanger valve pump control apparatus.7 by cooling device, heat transmission equipment, valve pump, control appliance and pipeline.8 are made up of condensation, cooling device, control appliance, valve, pump and pipeline.9,, form with hot equipment, valve, pump and pipeline by heat exchanger.10, by heat exchanger, control appliance, valve, pump and pipeline are formed.T yBe process for cooling requirement return water temperature, T hIt is pairing heat supply return water temperature this moment.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is advanced to go up the step explanation:
Existing production technology is come water pipeline by the cooling circulating water system of higher potential temperature, cool cycles water cooling system 7, and cooling circulating water return piping 13 up to standard is formed.Higher cooling circulating water comes water to be cooled to technology through pipeline 1 to device 7 will require potential temperature T yAfter pipeline 13 reclamation sets.
Echelon of the present invention is utilized condensation cooling heat central heating system, installs preposition heat-exchanger rig 5, heat supply water supply line 3, reheat machine 8, Btu utilization device 6, recooling plant 7, heat supply return piping 4 additional at described pipeline 1 and 13 of pipelines.
Need cold higher potential temperature cooling circulating water to discharge high-order relatively cooling heat through pipeline 1 to preposition heat-exchanger rig 5, the return piping 2 through installing 5 sides to recooling plant 7 continues release heat and reaches technological requirement cooling potential temperature T yBe back to process unit and finish cool cycles after install 13 of 7 sides.Recooling plant 7 can be finished by utilizing the former cooling system of transformation.
The heat supply hot water that preposition heat exchange can device 5 be come out through pipeline 3 to reheat machine 8 further promote potential temperatures after pipeline 3 to Btu utilization device 6 release heat, the heat supply backwater after the cooling is finished to device 5 through heat supply return piping 4 and is picked and placeed thermal cycle.
Accompanying drawing embodiment is connected in series secondary Btu utilization device 9 and low temp compensating device 10 4 of described Btu utilization device 6 and heat supply return pipings, install circulation process behind 9.10 devices additional and be from the Btu utilization device 6 heat supply backwater that comes out and further reduce potential temperatures for providing thermal source with hot equipment through pipeline 4 to secondary Btu utilization device 9, the heat supply backwater after the cooling to low temperature thermal compensation device 10 is that the thermal source heat exchange is heated to T with other cooling circulating water hPotential temperature is used thermal cycle after pipeline 4 is finished to preposition heat-exchanger rig 5.Under this operating mode, be chilled to technological requirement potential temperature T from installing the 5 cooling circulating water backwater that come out yNo longer enter recooling plant 7 but be immediate by-pass to the device reuse.Secondary Btu utilization device 9 can be breeding and planting, and low temperature such as water resource heat pump provide low-temperature heat source with hot equipment.
The main purpose of feeder apparatus 10 is, the heat supply return water temperature that comes out from secondary Btu utilization device 9 very low (can be low to moderate 0 ℃) is lower than cooling circulating water and comes out can satisfy the technology cooling from device and require potential temperature T yThe time pairing heat supply return pipe potential temperature T h,, utilize other to need Cooling and Heat Source to make the heat supply backwater be warming up to T by installing 10 for guaranteeing technological requirement h
In implementation process, also can will directly be connected in series to exchange higher potential temperature heat for higher potential temperature cooling circulating water initiating terminal heat exchanger for return piping in the preposition heat-exchanger rig 5.
In the present invention, the cooling circulating water of higher potential temperature enters recooling plant and is cooled to the technological requirement temperature after coming water pipeline to enter in the preposition heat-exchanger rig to discharge high-order relatively heat, returns process unit through cooling circulating water return piping up to standard.Obtain the heat supply hot water of heat in preposition heat exchange is put, after water supply line entered reheat machine continuation intensification, to Btu utilization device release utilization, the heat supply backwater after the cooling returned preposition heat-exchanger rig through pipeline and gets the heat exchange amount.
A kind of improved form of the present invention is to install secondary Btu utilization device and compensation between heat supply return piping and Btu utilization device additional, so that utilize cooling heat energy more fully.

Claims (7)

1. an echelon is utilized condensation, the cooling heat central heating system, be applicable to petrochemical industry and have higher potential temperature condensation, cooling heat process unit periphery use thermic devices, this system comprises that higher potential temperature cooling circulating water comes water pipeline, cooling circulating water comes supply mains's line or cooling device, cooling circulating water return piping up to standard, it is characterized in that, between described higher potential temperature cooling circulating water pipeline and cool cycles water pipeline up to standard, higher potential temperature cooling circulating water enters and gathers before cooling circulating water comes supply mains or cooling device, install preposition heat-exchanger rig successively additional, reheat machine, the Btu utilization device, recooling plant, the cooling circulating water of higher potential temperature come the cooling heat in the water to be discharged jointly by Btu utilization device and recooling plant;
As the thermal source of Btu utilization device, recooling plant can be the original cooling device of technology jointly for preposition heat-exchanger rig and reheat machine.
2. heating system according to claim 1, it is characterized in that being connected in series secondary Btu utilization device and low temperature thermal compensation device successively between Btu utilization device and preposition heat-exchanger rig, the thermal source of low temperature thermal compensation device is the cold and hot amounts of the need of different higher potential temperature cooling circulating water.
3. heating system according to claim 1 is characterized in that the heat supply water supply line can be the Btu utilization device refrigeration driving heat source is provided.
4. heating system according to claim 1 is characterized in that, preposition heat-exchanger rig can utilize higher potential temperature cooling circulating water to come water to go out the heat exchanger at beginning place, substitutes preposition heat-exchanger rig.
5. heating system according to claim 1 is characterized in that, recooling plant can be that original cooling device of technology or cooling circulating water gather house steward and become secondary pipeline.
6. heating system according to claim 1 is characterized in that, can remove reheat machine.
7. heating system according to claim 1 is characterized in that, reheat machine can utilize peak adjusting heat source to substitute.
CN201010105828.5A 2010-02-04 2010-02-04 Central heating system utilizing condensing and cooling heat in form of gradient Expired - Fee Related CN102147121B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201010105828.5A CN102147121B (en) 2010-02-04 2010-02-04 Central heating system utilizing condensing and cooling heat in form of gradient
PCT/CN2011/070801 WO2011095123A1 (en) 2010-02-04 2011-01-30 Central heating system for ladder utilizing condensing heat or cooling heat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010105828.5A CN102147121B (en) 2010-02-04 2010-02-04 Central heating system utilizing condensing and cooling heat in form of gradient

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CN102147121A true CN102147121A (en) 2011-08-10
CN102147121B CN102147121B (en) 2014-08-20

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WO (1) WO2011095123A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109084355A (en) * 2018-09-30 2018-12-25 陈连祥 A kind of condensed gas high-temperature position extracts the central heating system of heat
CN109084356A (en) * 2018-09-30 2018-12-25 陈连祥 A kind of cold processing medium high-temperature position of need extracts the central heating system of recycle heat cooling

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07318114A (en) * 1994-05-25 1995-12-08 Matsushita Electric Ind Co Ltd Heater
CN200986259Y (en) * 2006-10-31 2007-12-05 冯太和 Recirculated cooling water heating system
CN200996678Y (en) * 2007-01-15 2007-12-26 李铁章 Stepped reducting heat supplier
CN201062838Y (en) * 2007-07-21 2008-05-21 冯太和 Central heating system for thermoelectric plant circulating water

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1548853A (en) * 2003-05-08 2004-11-24 广州市汇力热能设备有限公司 Method for utilizing fully waste water residual-heat and system thereof
CN100406807C (en) * 2004-09-23 2008-07-30 冯太和 System for central heating by applying heat pump technical principle and related equipment thereof
CN200982701Y (en) * 2006-12-06 2007-11-28 侯秀琴 Solar hot water heat-supply and heating device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07318114A (en) * 1994-05-25 1995-12-08 Matsushita Electric Ind Co Ltd Heater
CN200986259Y (en) * 2006-10-31 2007-12-05 冯太和 Recirculated cooling water heating system
CN200996678Y (en) * 2007-01-15 2007-12-26 李铁章 Stepped reducting heat supplier
CN201062838Y (en) * 2007-07-21 2008-05-21 冯太和 Central heating system for thermoelectric plant circulating water

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109084355A (en) * 2018-09-30 2018-12-25 陈连祥 A kind of condensed gas high-temperature position extracts the central heating system of heat
CN109084356A (en) * 2018-09-30 2018-12-25 陈连祥 A kind of cold processing medium high-temperature position of need extracts the central heating system of recycle heat cooling
CN109084356B (en) * 2018-09-30 2023-11-21 陈连祥 Central heating system for circularly cooling heat extracted from high-temperature medium of cold process

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Publication number Publication date
CN102147121B (en) 2014-08-20
WO2011095123A1 (en) 2011-08-11

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Granted publication date: 20140820

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