CN102226647B - Cooling circulating water technology and device of vacuum system condenser of grease deodorization workshop section - Google Patents

Cooling circulating water technology and device of vacuum system condenser of grease deodorization workshop section Download PDF

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Publication number
CN102226647B
CN102226647B CN2011100835233A CN201110083523A CN102226647B CN 102226647 B CN102226647 B CN 102226647B CN 2011100835233 A CN2011100835233 A CN 2011100835233A CN 201110083523 A CN201110083523 A CN 201110083523A CN 102226647 B CN102226647 B CN 102226647B
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water
cooling
heat
condenser
vacuum
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CN102226647A (en
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李普选
孟晓鹏
王会
郭国强
张科红
徐志刚
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Guangxi Beibu Gulf grain and oil technology research Co.,Ltd.
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Zhengzhou Yuanyang Edible Oils Engineering & Technology Co Ltd
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Abstract

The invention discloses a cooling circulating water technology and a device of a vacuum system condenser of grease deodorization workshop section. Compared with the traditional vacuum system of deodorization workshop section, a refrigeration unit and a heat exchange device are added according to the invention, refrigeration water from the refrigeration unit and cooling water for the atmospheric condenser are subjected to heat exchange through a heat exchange device, the water temperature of the cooling water is reduced, the capability of a vacuum pump and the condensation amount of the condensable gas are improved effectively, the air exhaust load and the water vapor consumption of the following stage of steam injector are reduced, and thus the energy consumption of the whole water vapor injection vacuum-pumping system is reduced greatly. asthe refrigeration water-cooling water is subjected to heat exchange by the heat exchange device according to the invention the water temperature of the cooling circulation water, the vacuum degree and stability of the vacuum system can be improved, and the working efficiency is high; and moreover, the technology and device are good for environment protection, and no gas with offensive odor is dissipated from a cooling water tower.

Description

The cooling circulating water Processes and apparatus of grease deodorization workshop section vacuum system condenser
Technical field
The invention belongs to grease deodorization workshop section vacuum system recycling technology field, relate in particular to a kind of cooling circulating water Processes and apparatus that is applied to grease deodorization workshop section vacuum system condenser.
Background technology
Energy-conservation and green technology is important topic of current society, and in oil prodution industry, great amount of heat energy, power consumption are the long-standing problems of industry.Under the situation of present energy scarcity, how to reduce energy loss, become at present each enterprise's question of common concern both at home and abroad.Traditionally; Deodorization workshop section vacuum system mainly comprises cooling column, circulating water pool, cooling water circulating pump, Fen Shuibao, barometric condenser, barometric pipe, water seal tank, hydro-steam ejector pump, liquid circulation pump, raw-water pump; As shown in Figure 1: the import that cooling circulating water is directly pumped into branch water bag 7 and gets into different barometric condensers 8 through cooling water circulating pump 2 by cooling column 13 bottom circulating water pools 15, cooling water that comes out from barometric condenser 8 bottoms then and condensed water mixing pump into cooling column 13 coolings through barometric pipe 16 entering water seal tanks 1 through raw-water pump 14 and continue to recycle.This technology is prone to cause the cooling circulating water water temperature higher, causes the vavuum pump ability drop, and when serious even can not take out vacuum, steam economy increases simultaneously; In addition, the part distillate that deodorization distills out causes cooling circulating water system emulsification after in barometric condenser, being in contact with one another with cooling circulating water.Cooling circulating water can discharge pungent rancid rancid flavor beastly after the emulsification, influences environment.Cooling circulating water emulsification is accumulated to a certain degree, can cause fill of cooling tower to stop up, and influences the cooling column cooling effect, causes cooling circulating water system high temperature.So all uses are the factory floor of deodorization workshop section vacuum system traditionally, all to regularly replace or discharge the emulsification cooling circulating water in the dilution circulating water pool, the emulsification cooling circulating water is serious pollution sources.
Summary of the invention
The cooling circulating water Processes and apparatus that is applied to grease deodorization workshop section vacuum system condenser that the purpose of this invention is to provide a kind of stability height, energy-conserving and environment-protective.
For achieving the above object, the technical scheme that the present invention adopts is:
The cooling circulating water technology of grease deodorization workshop section vacuum system condenser; The cryogenic freezing water that the freezing back of freezing unit forms gets into heat-exchanger rig, and carries out heat exchange from the cooling water in the water seal tank, and the cooling water of cooling is through minute water entering barometric condenser that is responsible for assigning; In barometric condenser; Process gas, working steam contact with cooling water, and condensable gas is by fully condensation, and condensed water through barometric condenser and barometric pipe and cooling water are mixed into water seal tank and recycle.
Said heat-exchanger rig is connected in parallel by two heat exchangers and forms.
Regulate pH value through adding alkali lye to the water seal tank coolant outlet; Clean the heat exchanger that is used alternatingly through pump into cleaning fluid to the heat exchanger cooling water inlet.
The cooling circulating water technology of grease deodorization workshop section vacuum system condenser is used equipment, comprises water seal tank, circulating water pool, cooling column, Fen Shuibao, barometric condenser and barometric pipe, and pipeline is provided with freezing unit and heat-exchanger rig between water seal tank and the branch water bag; Circulating water pool is communicated with the import of freezing unit water of radiation through raw-water pump, and freezing unit water of radiation outlet is connected with cooling column; Freezing unit chilled water outlet is connected with the heat-exchanger rig chilled water inlet, and the heat-exchanger rig chilled water outlet is communicated with freezing unit chilled water inlet through chilled water circulating pump, is connected to expansion drum on the pipeline between heat-exchanger rig chilled water outlet and the chilled water circulating pump; The water seal tank coolant outlet is communicated with the heat-exchanger rig cooling water inlet through cooling water circulating pump, and the heat-exchanger rig coolant outlet is communicated with dividing the water bag, divides the water bag to be connected with barometric condenser, and barometric condenser is communicated with water seal tank through barometric pipe.
Said heat-exchanger rig is connected in parallel by two heat exchangers and forms.
The inlet and outlet pipe of heat exchanger is provided with valve.
Said water seal tank coolant outlet is connected with the alkali lye feeding mechanism.
Said heat exchanger cooling water inlet is connected to the cleaning fluid feeding mechanism that has the soiling solution outlet.
The present invention compares with traditional deodorization workshop section vacuum system; Added freezing unit and heat exchanger, carried out heat exchange through the heat exchanger that is used alternatingly, reduced the cooling water water temperature from the chilled water of freezing unit and the cooling water that is used for barometric condenser; Effectively improve vavuum pump ability and condensable gas condensation number; Improved the stability of system, reduced the bleed load and the consumption of steam of back one-level steam jet ejector simultaneously, thereby significantly reduced the energy consumption that whole water vapour sprays pumped vacuum systems; When the heat exchanger that is used alternatingly to a certain degree need be cleared up because of distillate (aliphatic acid of emulsification) accumulation bonds to, available one of them heat exchanger ordinary production operation; Close another heat exchanger respective valves, melt, clean the distillate that accumulates in its heat exchanger, the distillate accumulation is beneficial to environmental protection to the pollution of cooling column and atmosphere in the minimizing conventional procedure, and no bad smell sheds from cooling column.
Description of drawings
Fig. 1 is a traditional deodorization workshop section vacuum system structural representation;
Fig. 2 is a structural representation of the present invention.
The specific embodiment
As shown in Figure 2; The cooling circulating water technology of grease deodorization workshop section vacuum system condenser, the cryogenic freezing water that forms through freezing unit 4 freezing backs gets into two heat exchangers that are connected in parallel 3, after carrying out heat exchange from the cooling water in the water seal tank 1; Chilled water pumps into freezing unit through chilled water circulating pump 6 and recycles; Cooling water distributes entering barometric condenser 8 through minute water bag 7, and in barometric condenser 8, process gas, working steam contact with cooling water; Condensable gas is condensed, and condensed water through barometric condenser 8 and barometric pipe 16 and cooling water are mixed into water seal tank 1 and recycle.Regulate pH value through adding alkali lye, alternately two heat exchangers 3 are cleaned deodorizing from heat exchanger coolant outlet 3-4 discharge through add cleaning fluid to heat exchanger 3 cooling water inlet 3-3 to water seal tank coolant outlet 1-1.
The cooling circulating water technology of said grease deodorization workshop section vacuum system condenser is used equipment; Comprise water seal tank 1, circulating water pool 15, cooling column 13, divide water bag 7, barometric condenser 8 and barometric pipe 16, pipeline is provided with freezing unit 4 and two heat exchangers that are connected in parallel 3 between water seal tank 1 and the branch water bag 7; Circulating water pool 15 is communicated with freezing unit water of radiation import 4-1 through raw-water pump 14, and freezing unit water of radiation outlet 4-2 is connected with cooling column 13; Freezing unit chilled water outlet 4-3 is connected with heat exchanger chilled water inlet 3-1; Heat exchanger chilled water outlet 3-2 is communicated with freezing unit chilled water inlet 4-4 through chilled water circulating pump 6, is connected to expansion drum 5 on the pipeline between heat exchanger chilled water outlet 3-2 and the chilled water circulating pump 6; Water seal tank coolant outlet 1-1 is communicated with heat exchanger cooling water inlet 3-3 through cooling water circulating pump 2; Heat exchanger coolant outlet 3-4 is communicated with dividing water bag 7; Divide water bag 7 to be connected with barometric condenser 8, barometric condenser 8 is communicated with water seal tank 1 through barometric pipe 16.The inlet and outlet pipe of heat exchanger 3 is provided with valve.Water seal tank coolant outlet 1-1 is connected with alkali liquid tank 9, and alkali liquid tank 9 is connected to water seal tank coolant outlet 1-1 through lye pump 10.Heat exchanger cooling water inlet 3-3 is connected to the cleaning fluid tank 11 that has the soiling solution outlet; Cleaning fluid tank 11 is connected with heat exchanger cooling water inlet 3-3 through cleaning liquid pump 12; Heat exchanger coolant outlet 3-4 is communicated with cleaning fluid tank 11; 3-3 gets into heat exchanger 3 to cleaning fluid from the heat exchanger cooling water inlet, flows out from heat exchanger coolant outlet 3-4 and gets back to cleaning fluid tank 11, accomplishes the cleaning of heat exchanging device 3.
When the present invention works; Carry out heat exchange from the chilled water of freezing unit 4 and cooling water through the heat exchanger 3 that is used alternatingly from water seal tank 1; Reduce the cooling water water temperature; Effectively improve vavuum pump ability and condensable gas condensation number, reduce the bleed load and the consumption of steam of back one-level steam jet ejector, thereby significantly reduced the energy consumption that whole water vapour sprays pumped vacuum systems.During one of them operate as normal in the heat exchanger 3 that is used alternatingly, select to close the distillate of another heat exchanger of valve cleaning on the corresponding pipeline, reduce in the conventional procedure distillate accumulation the pollution of cooling column 13 and atmosphere.

Claims (8)

1. the cool cycles wetting system of grease deodorization workshop section vacuum system condenser; Comprise water seal tank, circulating water pool, cooling column, Fen Shuibao, barometric condenser and barometric pipe; It is characterized in that pipeline is provided with freezing unit and heat-exchanger rig between circulating water pool and the branch water bag; Circulating water pool is communicated with the import of freezing unit water of radiation through raw-water pump, and freezing unit water of radiation outlet is connected with cooling column; Freezing unit chilled water outlet is connected with the heat-exchanger rig chilled water inlet, and the heat-exchanger rig chilled water outlet is communicated with freezing unit chilled water inlet through chilled water circulating pump, is connected to expansion drum on the pipeline between heat-exchanger rig chilled water outlet and the chilled water circulating pump; The water seal tank coolant outlet is communicated with the heat-exchanger rig cooling water inlet through cooling water circulating pump, and the heat-exchanger rig coolant outlet is communicated with dividing the water bag, divides the water bag to be connected with barometric condenser, and barometric condenser is communicated with water seal tank through barometric pipe.
2. the cool cycles wetting system of grease deodorization as claimed in claim 1 workshop section vacuum system condenser is characterized in that said heat-exchanger rig is connected in parallel by two heat exchangers and forms.
3. the cool cycles wetting system of grease deodorization as claimed in claim 2 workshop section vacuum system condenser is characterized in that the inlet and outlet pipe of heat exchanger is provided with valve.
4. the cool cycles wetting system of grease deodorization as claimed in claim 3 workshop section vacuum system condenser is characterized in that said water seal tank coolant outlet is connected with the alkali lye feeding mechanism.
5. the cool cycles wetting system of grease deodorization as claimed in claim 4 workshop section vacuum system condenser is characterized in that said heat exchanger cooling water inlet is connected to the cleaning fluid feeding mechanism that has the soiling solution outlet.
6. the technology that cool cycles wetting system as claimed in claim 1 is adopted is characterized in that, the cryogenic freezing water that the freezing back of freezing unit forms gets into heat-exchanger rig; With carry out heat exchange from the cooling water in the water seal tank; The cooling water of cooling is through minute water entering barometric condenser that is responsible for assigning, and in barometric condenser, process gas, working steam contact with cooling water; Condensable gas is by fully condensation, and condensed water through barometric condenser and barometric pipe and cooling water are mixed into water seal tank and recycle.
7. the technology that cool cycles wetting system as claimed in claim 6 is adopted is characterized in that, said heat-exchanger rig is connected in parallel by two heat exchangers and forms.
8. the technology that cool cycles wetting system as claimed in claim 7 is adopted is characterized in that, regulates pH value through adding alkali lye to the water seal tank coolant outlet; Clean the heat exchanger that is used alternatingly through pump into cleaning fluid to the heat exchanger cooling water inlet.
CN2011100835233A 2011-04-02 2011-04-02 Cooling circulating water technology and device of vacuum system condenser of grease deodorization workshop section Active CN102226647B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105713720A (en) * 2016-01-29 2016-06-29 吉首大学 Cooling water circulation system for grease leaching

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Publication number Priority date Publication date Assignee Title
CN102690722A (en) * 2012-06-07 2012-09-26 安徽省寿县远翔油脂有限公司 Water ring pump system of condenser for refining rice bran oil
CN103710143A (en) * 2012-09-28 2014-04-09 北京中天金谷粮油工程技术有限公司 Edible oil semi-continuous refining technology
CN103789087A (en) * 2012-10-29 2014-05-14 北京中天金谷粮油工程技术有限公司 Rice bran oil deacidification and deodorization process
CN203128521U (en) * 2012-11-09 2013-08-14 上海焦尔工程技术有限公司 Ice-cold vacuum system

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CN101314747A (en) * 2008-06-03 2008-12-03 胡文龙 Refrigerating system in oil and fat degreasing process
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Effective date of registration: 20170920

Address after: 538001, the Guangxi Zhuang Autonomous Region, Fangchenggang port area east blowing Township port 1, Lu Xice

Patentee after: Fangcheng and Hong Kong and Macao grain & Oil Industry Co Ltd

Address before: 0909, room 21, Yonghe international A, No. 450000 Jinshui Road, Henan, Zhengzhou

Patentee before: Zhengzhou Yuanyang Edible Oils Engineering & Technology Co., Ltd.

Effective date of registration: 20170920

Address after: 538001, the Guangxi Zhuang Autonomous Region, Fangchenggang port area east blowing Township port 1, Lu Xice

Patentee after: Fangcheng and Hong Kong and Macao grain & Oil Industry Co Ltd

Address before: 0909, room 21, Yonghe international A, No. 450000 Jinshui Road, Henan, Zhengzhou

Patentee before: Zhengzhou Yuanyang Edible Oils Engineering & Technology Co., Ltd.

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Effective date of registration: 20210125

Address after: 538000 room 120, 1st floor, building 3, yunlang Science Park, Fangcheng District, Fangchenggang City, Guangxi Zhuang Autonomous Region

Patentee after: Guangxi Beibu Gulf grain and oil technology research Co.,Ltd.

Address before: 538001 west side of No.1 Road, Gangkou District, Qizhen District, Eastern Gangkou District, Fangchenggang City, Guangxi Zhuang Autonomous Region

Patentee before: Fangcheng and Hong Kong and Macao grain & Oil Industry Co.,Ltd.

TR01 Transfer of patent right