CN102147121B - 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
CN102147121B
CN102147121B CN201010105828.5A CN201010105828A CN102147121B CN 102147121 B CN102147121 B CN 102147121B CN 201010105828 A CN201010105828 A CN 201010105828A CN 102147121 B CN102147121 B CN 102147121B
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CN
China
Prior art keywords
heat
circulating water
cooling
cooling circulating
exchanger rig
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Expired - Fee Related
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CN201010105828.5A
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Chinese (zh)
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CN102147121A (en
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陈连祥
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Priority to CN201010105828.5A priority Critical patent/CN102147121B/en
Priority to PCT/CN2011/070801 priority patent/WO2011095123A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D12/00—Other central heating systems
    • F24D12/02—Other central heating systems having more than one heat source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/16—Waste heat
    • F24D2200/18—Flue gas recuperation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/16—Waste heat
    • F24D2200/24—Refrigeration
    • 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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  • 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 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, a front exchange device, a reheating device, a heat utilization device and a recooling device are communicated in order. The central heating system of the invention can partially or fully reuse the condensed and cooling heat with higher temperature in the production process, not only the process cooling load is reduced, the pollution is reduced, but also the resource consumption such as water resource, electric energy and medicament or the like is lowered. A huge ''hot mill co-production'' environment is realized, which benefits human, thereby saving energy, reducing cost, protection the environment, and producing huge economic effect and social effect.

Description

A kind of echelon is utilized the central heating system of condensing cooling heat
Technical field
The present invention relates to a kind of central heating system that utilizes petrochemical industry and there is the discarded low-temperature heat quantity of condensation, cooling heat enterprise.Specifically a kind of echelon is utilized the central heating system of condensing cooling heat.
Background technology
At present, in the enterprise production process such as petrochemical industry, produce the potential temperature that many condensations, cooling heat can directly utilize in productive life and be but discharged in environment, cause environmental pollution, also wasted the resources such as large water gaging, electricity, medicament simultaneously.Heat user at its periphery is but utilizing the conventional identical heat energy of mode of heating production quality, how reasonably to utilize condensation, cooling heat, replace the heat that other mode of heating is produced, realize " coproduction of heat enterprise " and be bound to produce huge environment, economic benefit, promote the well-being of mankind, become the mankind's expectation.
Summary of the invention
The object of the invention is: in order to overcome above-mentioned deficiency; provide a kind of echelon to utilize the central heating system of condensing cooling heat; it is to utilize the enterprises such as petrochemical industry, certainly leads to and condensation, cooling heat that enterprise cannot directly utilize are replaced the heat that other mode of heating is produced in production process, realizes " coproduction of heat enterprise " huge environment; promote the well-being of mankind; thereby, save the energy, end cost falls; protection of the environment, produces huge economic benefit and social benefit.
The object of the invention is to realize by such technical scheme: a kind of echelon is utilized condensation, cooling heat central heating system, comprise: higher temperatures cooling circulating water comes water pipeline, cooling circulating water return piping up to standard, described higher temperatures cooling circulating water comes, between water pipeline and cooling circulating water return piping up to standard, to be communicated with successively preposition heat-exchanger rig, reheat machine, heat utilization device, recooling plant.
Described is communicated with secondary heat utilization device and Low Temperature Thermal compensation arrangement from heat utilization device successively between preposition heat-exchanger rig, and described Low Temperature Thermal compensation arrangement is communicated with respectively cooling circulating water back with water inlet line, cooling circulating water return piping.
Described preposition heat-exchanger rig is the heat exchanger that higher temperatures cooling circulating water comes water pipeline top.
Described reheat machine is peak adjusting heat source.
A kind of echelon of the present invention is utilized condensation, cooling heat central heating system, the condensing cooling heat of higher temperature in production technology can partly or all be utilized again, the condensation of technological requirement, cooling load are by preposition heat-exchanger rig, heat utilization device, Aftercooling device is cooled to technological requirement jointly.Both reduce technique cooling load, reduced thermal pollution, reduced the resource consumptions such as water resource, electric energy, medicament, saved again heat utilization device energy resource consumption.In heat utilization device side, during if any refrigeration demand, native system can also provide refrigeration machine required driving heat source for refrigeration plant.It has realized " coproduction of heat enterprise " huge environment, promotes the well-being of mankind, thereby, save the energy, end cost falls, and protection of the environment, produces huge economic benefit and social benefit.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Numbering explanation:
1, higher temperatures cooling circulating water comes water pipeline 2, higher temperatures cooling circulating water return piping,
3, heat supply hot water piping 4, confession hot water return line 5, preposition heat-exchanger rig
6, heat utilization device 7, recooling plant 8, reheat machine
9, secondary heat utilization device 10, Low Temperature Thermal compensation arrangement
11, cooling circulating water back with water inlet line 12, cooling circulating water return piping
13, cooling circulating water return piping device up to standard
T y, be the return water temperature of process for cooling requirement,
T h, be technological requirement temperature T ytime, corresponding heat supply return water temperature.
Detailed description of the invention
Embodiment
A kind of echelon is utilized condensation, cooling heat central heating system, as shown in Figure 1, comprise: higher temperatures cooling circulating water carrys out water pipeline 1, cooling circulating water water main pipe line or cooling device, cooling circulating water return piping device 13 up to standard, described higher temperatures cooling circulating water carrys out water pipeline 1 and is communicated with preposition heat-exchanger rig 5, preposition heat-exchanger rig 5 by heat supply hot water piping 3 to reheat machine 8, the outlet of reheat machine 8 is communicated with heat utilization device 6, heat utilization device 6 is by being communicated with successively secondary heat utilization device 9 for hot water return line 4, Low Temperature Thermal compensation arrangement 10, Low Temperature Thermal compensation arrangement 10 is communicated with respectively cooling circulating water back with water inlet line 11, cooling circulating water return piping 12, Low Temperature Thermal compensation arrangement 10 returns to preposition heat-exchanger rig 5, and preposition heat-exchanger rig 5 is by higher temperatures cooling circulating water return piping 2 to recooling plant 7, and recooling plant 7 is to cooling circulating water return piping device 13 up to standard.
Described preposition heat-exchanger rig 5 also can adopt higher temperatures cooling circulating water to carry out the heat exchanger at water pipeline 1 top.
Described recooling plant 7 also can gather pipeline and secondary pipeline thereof for original cooling device or cooling circulating water.
The thermal source of described reheat machine is to be provided by devices such as air cooler or oil gas cooler or water cooler, heat pipe, heat pump, boilers; Go cooling device or cooling circulating water water to gather at the cooling circulating water of existing higher temperature and also can adopt peak adjusting heat source.
Described preposition heat-exchanger rig 5 is by heat exchanger valve pump control apparatus, pipeline group apparatus for converting.
Described heat utilization device 6 is by heat exchanger valve pump control apparatus, with hot equipment and pipeline composition.
Described recooling plant 7 is made up of cooling device, heat transmission equipment, valve pump, control appliance and pipeline.Recooling plant can the newly-built or former cooling system device of renovation and utilization.
Described reheat machine 8 is made up of condensation, cooling device, control appliance, valve, pump and pipeline.
Described secondary heat utilization device 9 is by heat exchanger, with hot equipment, valve, pump and pipeline composition.
Described Low Temperature Thermal compensation arrangement 10 is by heat exchanger, control appliance, and valve, pump and pipeline form.
This heating system, comes to have installed preposition heat-exchanger rig 5 additional between water pipeline 1 and cooling circulating water return piping device 13 up to standard at higher temperatures cooling circulating water, heat supply water supply line 3, and reheat machine 8, heat utilization device 6, recooling plant 7, for hot water return line 4.Like this, need cooling higher temperatures cooling circulating water to carry out water pipeline 1 to discharging relatively high-order cooling heat between preposition heat-exchanger rig 5 through higher temperatures cooling circulating water, premenstrual higher temperatures cooling circulating water return piping 2 to the recooling plant 7 of putting heat-exchanger rig 5 sides continues release heat, reaches the cooling potential temperature T of technological requirement yafter, be back to process unit through the cooling circulating water return piping device 13 up to standard of recooling plant 7 sides and complete cool cycles.Recooling plant 7 can be transformed former cooling system by utilization and realize.
Described preposition heat-exchanger rig 5 water is out supplied water and is further promoted potential temperature through pipeline 3 to reheat machine 8 by heat supply, then through heat supply water supply line 3 to heat utilization device 6 release heat, the heat supply backwater after cooling is through completing the circulation that picks and places heat energy for hot water return line 4 to preposition heat-exchanger rig 5.
Described heat utilization device 6 with for being connected in series secondary heat utilization device 9 and low temp compensating device 10 between hot water return line 4, such circulation process be from heat utilization device 6 out heat supply backwater through further reducing potential temperature for hot water return line 4 to secondary heat utilization device 9, for providing thermal source with thermal hardware, heat supply backwater after cooling is to Low Temperature Thermal compensation arrangement 10, and Low Temperature Thermal compensation arrangement 10 is heated to T taking other cooling circulating water as thermal source heat exchange hpotential temperature, then, through completing Thermal Cycling for hot water return line 4 to preposition heat-exchanger rig 5.Under this operating mode, putting heat-exchanger rig 5 cooling circulating water backwater has out been chilled to technological requirement potential temperature T in the past y, no longer enter recooling plant 7, but be immediate by-pass to cooling circulating water return piping device up to standard 13 reuses.Described secondary heat utilization device 9 can be the low temperature such as breeding and planting and water resource heat pump thermal hardware low-temperature heat source is provided.
The main purpose of Low Temperature Thermal compensation arrangement 10 is, from secondary heat utilization device 9 heat supply return water temperature out very low (may be low to moderate 0 DEG C), lower than the cooling potential temperature T that requires of technique ytime, for ensureing technological requirement, utilize other to need thermal source to make heat supply backwater be warming up to T by Low Temperature Thermal compensation arrangement 10 h.
In implementation process, also may be by being directly connected in series with the heat exchanger of higher temperatures position cooling circulating water initiating terminal for return piping in preposition heat-exchanger rig 5, to exchange the heat of higher temperature for.
Experimental results show that: a kind of echelon of the present invention is utilized condensation, cooling heat central heating system, the condensing cooling heat of higher temperature in production technology can partly or all be utilized again, the condensation of technological requirement, cooling load are by preposition heat-exchanger rig, heat utilization device, Aftercooling device is cooled to technological requirement jointly.Both reduce technique cooling load, reduced thermal pollution, reduced the resource consumptions such as water resource, electric energy, medicament, saved again heat utilization device energy resource consumption.In heat utilization device side, during if any refrigeration demand, native system can also provide refrigeration machine required driving heat source for refrigeration plant.It has realized " coproduction of heat enterprise " huge environment, promotes the well-being of mankind, thereby, save the energy, end cost falls, and protection of the environment, produces huge economic benefit and social benefit.

Claims (1)

1. an echelon is utilized the central heating system of condensing cooling heat, be applicable to petrochemical industry and there is higher temperatures condensation, putting with hot charging of cooling heat commercial plant periphery, this system comprises: higher temperatures cooling circulating water carrys out water pipeline (1), recooling plant (7), cooling circulating water return piping up to standard (13), it is characterized in that: described higher temperatures cooling circulating water comes between water pipeline (1) and cooling circulating water return piping up to standard (13), higher temperatures cooling circulating water enters recooling plant (7) before, the preposition heat-exchanger rig (5) of contacting, preposition heat-exchanger rig (5) is by the heat supply hot water piping reheat machine (8) of contacting successively, heat utilization device (6), heat utilization device (6) is by being communicated with preposition heat-exchanger rig (5) for hot water return line, the higher temperatures cooling circulating water return piping of preposition heat-exchanger rig (5) is communicated with cooling circulating water return piping up to standard (13) through recooling plant (7), need cooling higher temperatures cooling circulating water to carry out water pipeline to the cooling heat that will discharge relatively-high temperature between preposition heat-exchanger rig through higher temperatures cooling circulating water, premenstrual higher temperatures cooling circulating water return piping to the recooling plant of putting heat-exchanger rig side continues release heat, reach after the cooling potential temperature of technological requirement, be back to process unit through the cooling circulating water return piping up to standard of recooling plant and complete cool cycles, described preposition heat-exchanger rig out hot water further promotes potential temperature through reheat machine, and to heat utilization device release heat, the heat supply backwater after cooling is through completing for hot water return line to preposition heat-exchanger rig the circulation that picks and places heat energy, cooling heat in the cooling circulating water water of higher temperatures is discharged jointly by heat utilization device and recooling plant, preposition heat-exchanger rig and reheat machine are jointly as the thermal source of heat utilization device, and recooling plant is the original cooling device of technique,
Described heat utilization device (6) is communicated with secondary heat utilization device (9) and Low Temperature Thermal compensation arrangement (10) successively between preposition heat-exchanger rig (5), and described Low Temperature Thermal compensation arrangement (10) is communicated with respectively cooling circulating water back with water inlet line (11), cooling circulating water return piping (12);
Described preposition heat-exchanger rig (5) carrys out the heat exchanger at water pipeline (1) top for higher temperatures cooling circulating water;
Described reheat machine (8) is peak adjusting heat source.
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

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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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CN102147121B true CN102147121B (en) 2014-08-20

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WO (1) WO2011095123A1 (en)

Families Citing this family (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
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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* 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
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 and method for central heating using heat pump technical principle and its relative equipment
CN200982701Y (en) * 2006-12-06 2007-11-28 侯秀琴 Solar hot water heat-supply and heating device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP平7-318114A 1995.12.08

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WO2011095123A1 (en) 2011-08-11

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