CN202220630U - Low-temperature waste heat recovery plant used in petrochemical industry - Google Patents

Low-temperature waste heat recovery plant used in petrochemical industry Download PDF

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Publication number
CN202220630U
CN202220630U CN2011203413879U CN201120341387U CN202220630U CN 202220630 U CN202220630 U CN 202220630U CN 2011203413879 U CN2011203413879 U CN 2011203413879U CN 201120341387 U CN201120341387 U CN 201120341387U CN 202220630 U CN202220630 U CN 202220630U
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China
Prior art keywords
working medium
temperature regenerator
low temperature
connects
cold working
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Expired - Fee Related
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CN2011203413879U
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Chinese (zh)
Inventor
张高佐
王春莉
戴军
郭佳
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Shanghai Shenghe New Energy Resources Science & Technology Co Ltd
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Shanghai Shenghe New Energy Resources Science & Technology Co Ltd
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Priority to CN2011203413879U priority Critical patent/CN202220630U/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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The utility model relates to a low-temperature waste heat recovery plant used in the petrochemical industry, which is characterized by comprising Kalina cycle power generating equipment. The Kalina cycle power generating equipment consists of an evaporator, a hot working medium channel and a cold working medium channel are arranged in the evaporator, ammonia water mixture is arranged in the cold working medium channel, and an inlet and an outlet of the hot working medium are respectively connected with a waste heat working medium outlet and a waste heat working medium inlet of petrochemical production equipment. The low-temperature waste heat recovery plant has the advantages that the Kalina cycle power generating equipment is applied to the field of the petrochemical industry for the first time, so that low-temperature waste heat in the petrochemical industry can be recovered, environments are protected advantageously, and energy is saved. In addition, a superheater is additionally arranged between a separator and a turbine generator, on the one hand, ammonia steam can be heated, dryness of the ammonia steam is improved, the efficiency of the turbine generator is further enhanced, and on the other hand, heat energy of overheated waste steam is effectively utilized.

Description

The low temperature exhaust heat recovery plant that uses in the petrochemical industry
Technical field
The utility model relates to the low temperature exhaust heat recovery plant that uses in a kind of petrochemical industry.
Background technique
In commercial production, because the restriction of many factors such as production technology and heat recovery technology, China's energy exists many wastes on using at present.How to use of the new technology uses the waste heat in the production process, used heat, more and more receives people's attention.2004, National Development and Reform Commission developed and published Medium-and Long-Term Plan for Conserving Energy Resources, listed the UTILIZATION OF VESIDUAL HEAT IN of power consumption industries such as metallurgy, chemical industry, building materials, the energy wherein in.This ad hoc planning is the important component part of the medium-term and long-term development plan of China energy, also is the directive document of medium-term and long-term energy conservation and the foundation of energy-conservation project construction.
Oil refinery industry is the key industry of carrying out recycling economy.The sector not only consumes a large amount of primary energy, and wastes a large amount of secondary energy.Research and carry out the energy-conservation and resource optimization work of oil refinery industry, the today at national pay attention to day by day energy strategy, be significant.
In the production technology of oil refinery factory, different working medium can be carried big amount temperature usually and reached the technology used heat about 80~150 ℃, and common board-like wet air cooling apparatus of process of this part heat energy and external environment are carried out heat exchange and be discharged in the external environment condition.In this process, great amount of heat is lost in the surrounding environment, and heat transfer also need be consumed a large amount of electric energy time environment, also brings thermo-pollution to environment.Therefore how to use a large amount of low-temperature heat quantity that produces in the oil refinery production technology, become one of emphasis of the energy-conservation of oil Petrochemical Enterprises and resource optimization work.
It is the effective means of low-temperature water heating Btu utilization that low-temperature cooling water in the application oil refinery production process generates electricity.On the one hand, can realize the comprehensive utilization of ERM, for the national energy development strategy contributes; On the other hand,, can reduce the power consumption of enterprise, reduce enterprise product cost, bring considerable economic well-being of workers and staff, improve the market competitiveness of enterprise, can also obtain the preferential of policy aspect simultaneously through the low-temperature cooling water generating.
Summary of the invention
The purpose of the utility model is the not high and big characteristics of flow to the cryogenic media temperature of discharging in the oil refinery production technology; The low temperature exhaust heat that uses in a kind of petrochemical industry recovery plant is provided; Use the new approaches that the cryogenic media that produces in the oil refinery industry manufacturing process generates electricity, the low taste heat of low-temperature cooling water is effectively utilized.
In order to achieve the above object; The utility model provides the low temperature exhaust heat that uses in a kind of petrochemical industry recovery plant, it is characterized in that, comprises card Linne circulation generating equipment; Described card Linne circulation generating equipment comprises vaporizer; Being provided with hot working fluid passage and cold working medium passage in the vaporizer, be ammonia water mixture in the cold working medium passage, the import of hot working fluid passage with export used heat sender property outlet and the import of used heat working medium that is connected petrochemical iy produced equipment respectively.
Preferably; Described card Linne circulation generating equipment also comprises vapour condenser, low temperature regenerator and high temperature regenerator; All be provided with hot working fluid passage and cold working medium passage in vapour condenser, low temperature regenerator and the high temperature regenerator, the cold working medium passage of vaporizer connects separator, and the gas outlet of separator connects steam turbine generator; Steam turbine generator connects the hot working fluid passage of low temperature regenerator; The hot working fluid passage of low temperature regenerator connects the hot working fluid passage of vapour condenser, and the hot working fluid passage of vapour condenser connects the cold working medium passage of low temperature regenerator, and the cold working medium passage of low temperature regenerator connects the cold working medium passage of high temperature regenerator; The cold working medium passage of high temperature regenerator connects the cold working medium passage of vaporizer; The liquid outlet of separator connects the hot working fluid passage of high temperature regenerator, and the hot working fluid passage of high temperature regenerator connects the hot working fluid passage of low temperature regenerator, the import of the cold working medium passage of vapour condenser with export the export and import that is connected cooling tower respectively.
More preferably, the gas outlet of described separator connects the cold working medium passage of superheater, and the cold working medium passage of superheater connects steam turbine generator, and the import of the hot working fluid passage of superheater is connected the export and import of the superheated vapor of petrochemical iy produced equipment with outlet.
Described petrochemical iy produced equipment is for producing the manufacturing mechanism of 90 ℃ of-200 ℃ of used heat working medium arbitrarily.
The utility model has the advantages that:
(1) will block the Linne circulation generating equipment first and be applied to the petrochemical industry field, make that the low temperature exhaust heat in the petrochemical industry is able to reclaim, help protecting environment, energy saving.
(2) between separator and steam turbine generator, implement the energy level reorganization, add waste heat superheater, can heat ammonia steam on the one hand, improve the mass dryness fraction of ammonia steam, and then improve the efficient of steam turbine generator, on the other hand, effectively utilized the heat energy of overheated waste vapour.
Description of drawings
The low temperature exhaust heat recovery plant structural representation of Fig. 1 for using in the petrochemical industry.
Embodiment
Specify the utility model below in conjunction with embodiment.
Embodiment 1
As shown in Figure 1; Be the low temperature exhaust heat recovery plant structural representation that uses in the petrochemical industry; Described low temperature exhaust heat recovery plant comprises card Linne circulation generating equipment; Described card Linne circulation generating equipment comprises vapour condenser 1, low temperature regenerator 2, high temperature regenerator 3 and vaporizer 4; All being provided with hot working fluid passage and cold working medium passage in vapour condenser 1, low temperature regenerator 2, high temperature regenerator 3 and the vaporizer 4, be ammonia water mixture in the cold working medium passage of vaporizer 4, the import of hot working fluid passage with export coolant outlet and the cooling water intake that is connected the equipment 9 that produces low temperature waste heat water respectively; The cold working medium passage of vaporizer 4 connects separator 5; The gas outlet of separator 5 connects steam turbine generator 6, and steam turbine generator 6 connects the hot working fluid passage of low temperature regenerator 2, and the hot working fluid passage of low temperature regenerator 2 connects the hot working fluid passage of vapour condenser 1; The hot working fluid passage of vapour condenser 1 connects the cold working medium passage of low temperature regenerator 2; The cold working medium passage of low temperature regenerator 2 connects the cold working medium passage of high temperature regenerator 3, and the cold working medium passage of high temperature regenerator 3 connects the cold working medium passage of vaporizer 4, and the liquid outlet of separator 5 connects the hot working fluid passage of high temperature regenerator 3; The hot working fluid passage of high temperature regenerator 3 connects the hot working fluid passage of low temperature regenerator 2, the import of the cold working medium passage of vapour condenser 1 with export the export and import that is connected cooling tower 7 respectively.The gas outlet of described separator 5 connects the cold working medium passage of superheater 8; The cold working medium passage of superheater 8 connects steam turbine generator 6, and the import of the hot working fluid passage of superheater 8 is connected the export and import of the superheated vapor of the equipment 9 that produces low temperature waste gas with outlet.
During use; The vaporizer 4 of the card Linne circulation generating equipment that the hot working fluid of 120 ℃ or 110 ℃ gets into; With heat transferred cycle fluid-ammonia water mixture, about 70 ℃ working medium that is cooled of coming out from vaporizer is got back to the equipment 9 that produces low temperature waste heat water and is reworked.The ammoniacal liquor that vaporizer 4 comes out-ammonia steam gets into separator 5 and carries out vapor-liquid separation; The saturated vapour of separating gets into steam turbine generator 6 expansion workings, drives generator for electricity generation; The weak aqua ammonia separated gets into the ammoniacal liquor that high temperature regenerator 3 heating low temperature regenerators come, and the exhaust steam after the steam turbine acting gets into the ammoniacal liquor that 2 heating of low temperature regenerator are sent here to ammonia pump again, gets into vapour condenser 1 at last and is condensed by water quench.The ammoniacal liquor that condenses is delivered to low temperature regenerator 2 through ammonia pump and is carried out preheating with high temperature regenerator 3, gets into vaporizer 1 again and absorbs the useless working medium heat that 9 confessions of petrochemical iy produced equipment come.

Claims (4)

1. the low temperature exhaust heat recovery plant that uses in the petrochemical industry; It is characterized in that; Comprise card Linne circulation generating equipment, described card Linne circulation generating equipment comprises vaporizer (4), is provided with hot working fluid passage and cold working medium passage in the vaporizer (4); Be ammonia water mixture in the cold working medium passage, the import of hot working fluid passage with export coolant outlet and the cooling water intake that is connected petrochemical iy produced equipment respectively.
2. the low temperature exhaust heat recovery plant that uses in the petrochemical industry as claimed in claim 1; It is characterized in that; Described card Linne circulation generating equipment also comprises vapour condenser (1), low temperature regenerator (2) and high temperature regenerator (3); All be provided with hot working fluid passage and cold working medium passage in vapour condenser (1), low temperature regenerator (2) and the high temperature regenerator (3); The cold working medium passage of vaporizer (4) connects separator (5); The gas outlet of separator (5) connects steam turbine generator (6), and steam turbine generator (6) connects the hot working fluid passage of low temperature regenerator (2), and the hot working fluid passage of low temperature regenerator (2) connects the hot working fluid passage of vapour condenser (1); The hot working fluid passage of vapour condenser (1) connects the cold working medium passage of low temperature regenerator (2); The cold working medium passage of low temperature regenerator (2) connects the cold working medium passage of high temperature regenerator (3), and the cold working medium passage of high temperature regenerator (3) connects the cold working medium passage of vaporizer (4), and the liquid outlet of separator (5) connects the hot working fluid passage of high temperature regenerator (3); The hot working fluid passage of high temperature regenerator (3) connects the hot working fluid passage of low temperature regenerator (2), the import of the cold working medium passage of vapour condenser (1) with export the export and import that is connected cooling tower (7) respectively.
3. the low temperature exhaust heat recovery plant that uses in the petrochemical industry as claimed in claim 2; It is characterized in that; The gas outlet of described separator (5) connects the cold working medium passage of superheater (8); The cold working medium passage of superheater (8) connects steam turbine generator (6), and the import of the hot working fluid passage of superheater (8) is connected the export and import of the superheated vapor of petrochemical iy produced equipment with outlet.
4. the low temperature exhaust heat recovery plant that uses in the petrochemical industry as claimed in claim 1 is characterized in that, described petrochemical iy produced equipment is for producing the manufacturing mechanism of 90 ℃ of-200 ℃ of used heat working medium arbitrarily.
CN2011203413879U 2011-09-13 2011-09-13 Low-temperature waste heat recovery plant used in petrochemical industry Expired - Fee Related CN202220630U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102305113A (en) * 2011-09-13 2012-01-04 上海盛合新能源科技有限公司 Low-temperature waste heat recycling equipment in petrochemical industry
CN104153834A (en) * 2014-07-15 2014-11-19 天津大学 Power generation and cooling hybrid system based on Kalina cycle
CN104314631A (en) * 2014-08-15 2015-01-28 国核柏斯顿新能源科技(北京)有限公司 System for generating power in non heating season by low-temperature nuclear heat reactor and working method of system
CN104454053A (en) * 2014-11-28 2015-03-25 天津大学 Efficient ammonia water power generation system
CN108138596A (en) * 2015-08-24 2018-06-08 沙特阿拉伯石油公司 Conversion based on the gas processing plant waste heat with flexibility of improved Gauss watt meter Xun Huan to electric power and cooling
CN108138599A (en) * 2015-08-24 2018-06-08 沙特阿拉伯石油公司 Gas processing plant waste heat based on kalina cycle to electric power conversion

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102305113A (en) * 2011-09-13 2012-01-04 上海盛合新能源科技有限公司 Low-temperature waste heat recycling equipment in petrochemical industry
CN104153834A (en) * 2014-07-15 2014-11-19 天津大学 Power generation and cooling hybrid system based on Kalina cycle
CN104153834B (en) * 2014-07-15 2015-08-19 天津大学 A kind of generating based on the circulation of card Linne, cooling association system
CN104314631A (en) * 2014-08-15 2015-01-28 国核柏斯顿新能源科技(北京)有限公司 System for generating power in non heating season by low-temperature nuclear heat reactor and working method of system
CN104454053A (en) * 2014-11-28 2015-03-25 天津大学 Efficient ammonia water power generation system
CN108138596A (en) * 2015-08-24 2018-06-08 沙特阿拉伯石油公司 Conversion based on the gas processing plant waste heat with flexibility of improved Gauss watt meter Xun Huan to electric power and cooling
CN108138599A (en) * 2015-08-24 2018-06-08 沙特阿拉伯石油公司 Gas processing plant waste heat based on kalina cycle to electric power conversion

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C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Low-temperature waste heat recycling equipment in petrochemical industry

Effective date of registration: 20141219

Granted publication date: 20120516

Pledgee: Shanghai Zhong Sheng finance guarantee Limited by Share Ltd

Pledgor: Shanghai Shenghe New Energy Resources Science & Technology Co., Ltd.

Registration number: 2014310000088

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120516

Termination date: 20150913

EXPY Termination of patent right or utility model