CN112062329A - Energy-saving cooling water recovery treatment method - Google Patents

Energy-saving cooling water recovery treatment method Download PDF

Info

Publication number
CN112062329A
CN112062329A CN202010865312.4A CN202010865312A CN112062329A CN 112062329 A CN112062329 A CN 112062329A CN 202010865312 A CN202010865312 A CN 202010865312A CN 112062329 A CN112062329 A CN 112062329A
Authority
CN
China
Prior art keywords
water
cooling water
energy
recovery tank
recovery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010865312.4A
Other languages
Chinese (zh)
Inventor
王宝华
高宁宁
李泽龙
伍向飞
义训坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leiyang Jinyue Science & Technology Development Co ltd
Original Assignee
Leiyang Jinyue Science & Technology Development Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Leiyang Jinyue Science & Technology Development Co ltd filed Critical Leiyang Jinyue Science & Technology Development Co ltd
Priority to CN202010865312.4A priority Critical patent/CN112062329A/en
Publication of CN112062329A publication Critical patent/CN112062329A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/42Treatment of water, waste water, or sewage by ion-exchange
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02Non-contaminated water, e.g. for industrial water supply
    • C02F2103/023Water in cooling circuits
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/02Softening water by precipitation of the hardness
    • C02F5/06Softening water by precipitation of the hardness using calcium compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

The invention discloses an energy-saving cooling water recycling method, which comprises the following steps: s1, adding a volume of 30-45 m3The recovery tank is internally provided with a sedimentation device, and then the underground discharge port of the original pretreated backwashing water is partially reformed, so that the discharged backwashing water and the air separation disposable cooling water can flow into the recovery tank; s2, adding 2-4 centrifugal water pumps on the recovery tank, and adding corresponding water pipelines from the production line to the inlet main pipe of the clarification tank; s3, an instrument automatic control LIC system is arranged, so that when the water level in the recovery tank reaches a fixed level, the impurities in the cooling water recycling structure are cleaned by arranging the recovery tank and a clarification filtering device, a soft phone method, an acidification method, an added scale inhibitor and a corrosion inhibitor, the salt content and the structure are reduced, the water reuse rate is improved, and the cold water recycling structure is improvedThe utilization rate of the residual heat of the cooling water can improve the overall condition of the circulating cooling water and improve the efficiency of the recovery treatment of the cooling water.

Description

Energy-saving cooling water recovery treatment method
Technical Field
The invention relates to the technical field of cooling water utilization, in particular to an energy-saving cooling water recycling method.
Background
Water is the source of all lives. With the development of society, people need to continuously draw a large amount of water in order to meet the requirements of life and production. The current ubiquitous phenomena are lack of water resources, energy exhaustion and serious environmental pollution. Water, energy and environmental issues in the 21 st century are more of a common concern worldwide. In recent years, with the rapid development of modern science and technology, energy conservation is increasingly paid attention to people. Besides domestic water, the amount of industrial water used in the current generation is also non-trivial and almost none is any industrial waste water. The industrial circulating cooling water system needs a large amount of cooling water, and the evaporation condenser vacuumized and condensed juice steam heat source cooling system needs a large amount of cooling water to obtain the required vacuum degree so as to accelerate the concentration time effect of the products in the evaporation production process. The industrial water generally comprises process water, boiler water, cleaning water, cooling water and the like, wherein the cooling water accounts for 67 percent of the total amount of the industrial water on average and is almost existed in various industries, such as furnace bodies of heating furnaces of blast furnaces, electric furnaces and the like which are cooled by a large amount of water in the steel and metallurgy industries; cooling semi-finished products and products by a large amount of water in the production of oil refining, chemical engineering and the like; a large amount of water is used for cooling an air conditioner, a refrigerating system and the like in a textile chemical fiber factory. The cooling water is the water consumption of industrial water, and the consumption of the cooling water accounts for 85-90% of the total water consumption of enterprises in the petrochemical industry. In the cooling process of the circulating water, the circulating water is continuously concentrated due to losses of evaporation, blowing and pollution discharge, the salt content is continuously increased, fresh water needs to be supplemented to balance the loss, the requirement of the minimum concentration multiple of the circulating water is 3 times, and the supplementary water amount is about 2-3% of the circulating water amount. Both the consumption of fresh water and the amount of sewage discharge are enormous. The salt content in the circulating water is increased, so that the scaling of water pipes and other equipment is caused, the recycling and reusing conditions of cooling water are influenced, and in addition, the waste heat of the cooling water cannot be used in the heating work in other aspects in the recycling process, so that the heat loss is caused.
Disclosure of Invention
The invention aims to provide an energy-saving cooling water recycling method to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an energy-saving cooling water recovery processing method comprises the following steps:
s1, adding a volume of 30-45 m3The recovery tank is internally provided with a sedimentation device, and then the underground discharge port of the original pretreated backwashing water is partially reformed, so that the discharged backwashing water and the air separation disposable cooling water can flow into the recovery tank;
s2, adding 2-4 centrifugal water pumps on the recovery tank, and adding corresponding water pipelines from the production line to the inlet main pipe of the clarification tank;
s3, arranging an instrument automatic control LIC system, so that when the water level in the recovery tank reaches a fixed level, the pump can be automatically started to send the water in the recovery tank to the inlet main pipe of the clarification tank, and the discharge amount reaches 5-10 m3When the pump is started, the pump is automatically stopped;
s4, pumping the water in the recovery tank to a boiler and a production line through a water pump, using the water in the production water and the domestic water, mainly supplying water to the boiler, supplementing water for production and supplementing water for heating, wherein the pumping amount is 5-10 m each time3And carrying out a saving amount test.
Preferably, when the temporary hardness of the water in the recovery pond is higher, and the dosage of the medicament method is large or calcium sulfate scale is generated in the system by an acidification method, calcium ions and magnesium ions in the water in the recovery pond can be removed by a lime softening method, a hydrogen and sodium ion exchange softening method or the like.
Preferably, for the water quality with low temporary hardness and the small amount of circulating water, the concentration multiple of the circulating water is controlled by the sewage discharge amount, so that the carbonate hardness of the circulating water is smaller than the limit carbonate hardness.
Preferably, the hardness of the carbonate is converted to a more soluble hardness other than carbonate by adding acid to the make-up water such that the hardness of the carbonate in the circulating water is less than the ultimate hardness of the carbonate.
Preferably, adding a scale inhibitor into the circulating water is a main method for preventing the circulating water from scaling at present, and the scale inhibitor is one of polyphosphate, organic phosphonic acid and polyacrylic acid.
Preferably, a side filtering system is arranged between the production line and the clarification tank, so that the entering of dirt is reduced, and the conditions of water scaling and serious impurities in the recovery tank can be prevented.
Preferably, when the circulating water pipeline adopts a metal pipeline, the pre-film treatment adopted by the pipeline can be realized by increasing the corrosion inhibitor amount; a layer of compact and continuous protective film is generated on the surface of the metal, so that the corrosion speed of the metal can be prevented or reduced; the corrosion inhibitor is one of polyphosphate, organic phosphonic acid, polycarboxylic acid polymer, molybdate, zinc salt, silicate, sulfur-based benzothiazole, benzotriazole and methylbenzotriazole.
Preferably, the circulating water pipeline is coated with heat-insulating cotton, and the heat-insulating cotton is made of one of rubber-plastic sponge heat-insulating materials, polyethylene heat-insulating materials, composite silicate products and rock wool pipes.
Preferably, 3-5 cooling machines are arranged at an inlet main pipe between the production line and the clarification tank, and a water outlet pipe of each cooling machine flows back to the inlet main pipe.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through arranging the recovery tank, the clarification and filtration equipment, the soft phone method, the acidification method, the scale inhibitor and the corrosion inhibitor, impurities in the cooling water recycling structure are cleaned, the salt content and the structure are reduced, the recycling rate of water can be improved, the utilization rate of the waste heat of the cooling water is improved, the water resource is saved, the overall condition of the circulating cooling water can be improved, and the efficiency of the cooling water recycling treatment is improved.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, the present invention provides a technical solution: an energy-saving cooling water recovery processing method comprises the following steps:
s1, adding a volume of 30m3The recovery tank is internally provided with a sedimentation device, and then the underground discharge port of the original pretreated backwashing water is partially reformed, so that the discharged backwashing water and the air separation disposable cooling water can flow into the recovery tank;
s2, adding 2 centrifugal water pumps on the recovery tank, and adding corresponding water pipelines from the production line to the inlet main pipe of the clarification tank;
s3, arranging an instrument to automatically control the LIC system, so that when the water level in the recovery tank reaches a certain level, the pump can be automatically started to send the water in the recovery tank to the inlet main pipe of the clarification tank, and the discharge amount reaches 5m3When the pump is started, the pump is automatically stopped;
s4, pumping the water in the recovery tank to a boiler and a production line through a water pump, and using the water in the production water and the domestic water, mainly boiler feed water, production make-up water and heating make-up water, wherein the pumping amount is 10m each time3And carrying out a saving amount test.
In this embodiment, specifically: when the temporary hardness of the water in the recovery pool is higher, and the dosage of the medicament method is large or calcium sulfate scale is generated in the system by an acidification method, a lime softening method can be adopted, and calcium ions and magnesium ions in the water in the recovery pool are removed by a lime softening method or a hydrogen and sodium ion exchange softening method.
In this embodiment, specifically: for the water quality with lower temporary hardness and small circulating water quantity, the concentration multiple of the circulating water is controlled by the sewage discharge quantity, so that the carbonate hardness of the circulating water is smaller than the limit carbonate hardness.
In this embodiment, specifically: by adding acid to the make-up water, the hardness of carbonate can be converted to a hardness of non-carbonate with greater solubility, so that the hardness of carbonate in the circulating water is less than the hardness of the limiting carbonate.
In this embodiment, specifically: adding a scale inhibitor into circulating water is a main method for preventing circulating water from scaling at present, wherein the scale inhibitor is one of polyphosphate, organic phosphonic acid and polyacrylic acid, and preferably the polyacrylic acid.
In this embodiment, specifically: a side filtering system is arranged between the production line and the clarification tank, so that the entering of dirt is reduced, and the conditions of water scaling and serious impurities in the recovery tank can be prevented.
In this embodiment, specifically: when the circulating water pipeline adopts a metal pipeline, the pre-film treatment adopted by the pipeline can be realized by increasing the corrosion inhibitor amount; a layer of compact and continuous protective film is generated on the surface of the metal, so that the corrosion speed of the metal can be prevented or reduced; the corrosion inhibitor is one of polyphosphate, organic phosphonic acid, polycarboxylic acid polymer, molybdate, zinc salt, silicate, sulfur-based benzothiazole, benzotriazole and methyl benzotriazole, and is preferably polyphosphate.
In this embodiment, specifically: the circulating water pipeline is coated with heat-insulating cotton, the heat-insulating cotton is made of one of rubber-plastic sponge heat-insulating materials, polyethylene heat-insulating materials, composite silicate products and rock wool pipes, and the rock wool pipes are preferably used.
In this embodiment, specifically: 3 cooling machines are arranged at the inlet header pipe between the production line and the clarification tank, and the water outlet pipes of the cooling machines flow back to the inlet header pipe.
Example two
Referring to fig. 1, the present invention provides a technical solution: an energy-saving cooling water recovery processing method comprises the following steps:
s1, adding a volume of 35m3The recovery tank is internally provided with a sedimentation device, and then the underground discharge port of the original pretreated backwashing water is partially reformed, so that the discharged backwashing water and the air separation disposable cooling water can flow into the recovery tank;
s2, adding 3 centrifugal water pumps above the recovery tank, and adding corresponding water pipelines from the production line to the inlet main pipe of the clarification tank;
s3, arranging an instrument to automatically control the LIC system, so that when the water level in the recovery tank reaches a certain level, the pump can be automatically started to send the water in the recovery tank to the inlet main pipe of the clarification tank, and the discharge amount reaches 8m3When the pump is started, the pump is automatically stopped;
s4, pumping the water in the recovery tank to a boiler and a production line through a water pump, and using the water in the production water and the domestic water, mainly boiler feed water, production make-up water and heating make-up water, wherein the pumping amount is 5m each time3And carrying out a saving amount test.
In this embodiment, specifically: when the temporary hardness of the water in the recovery pool is higher, and the dosage of the medicament method is large or calcium sulfate scale is generated in the system by an acidification method, a lime softening method can be adopted, and calcium ions and magnesium ions in the water in the recovery pool are removed by a lime softening method or a hydrogen and sodium ion exchange softening method.
In this embodiment, specifically: for the water quality with lower temporary hardness and small circulating water quantity, the concentration multiple of the circulating water is controlled by the sewage discharge quantity, so that the carbonate hardness of the circulating water is smaller than the limit carbonate hardness.
In this embodiment, specifically: by adding acid to the make-up water, the hardness of carbonate can be converted to a hardness of non-carbonate with greater solubility, so that the hardness of carbonate in the circulating water is less than the hardness of the limiting carbonate.
In this embodiment, specifically: adding a scale inhibitor into circulating water is a main method for preventing circulating water from scaling at present, wherein the scale inhibitor is one of polyphosphate, organic phosphonic acid and polyacrylic acid, and is preferably organic phosphonic acid.
In this embodiment, specifically: a side filtering system is arranged between the production line and the clarification tank, so that the entering of dirt is reduced, and the conditions of water scaling and serious impurities in the recovery tank can be prevented.
In this embodiment, specifically: when the circulating water pipeline adopts a metal pipeline, the pre-film treatment adopted by the pipeline can be realized by increasing the corrosion inhibitor amount; a layer of compact and continuous protective film is generated on the surface of the metal, so that the corrosion speed of the metal can be prevented or reduced; the corrosion inhibitor is one of polyphosphate, organic phosphonic acid, polycarboxylic acid polymer, molybdate, zinc salt, silicate, sulfur-based benzothiazole, benzotriazole and methyl benzotriazole, and silicate is preferred.
In this embodiment, specifically: the circulating water pipeline is coated with heat-insulating cotton, the heat-insulating cotton is made of one of rubber-plastic sponge heat-insulating materials, polyethylene heat-insulating materials, composite silicate products and rock wool pipes, and the polyethylene heat-insulating materials are preferably selected.
In this embodiment, specifically: 4 cooling machines are arranged at the inlet header pipe between the production line and the clarification tank, and the water outlet pipes of the cooling machines flow back to the inlet header pipe.
EXAMPLE III
Referring to fig. 1, the present invention provides a technical solution: an energy-saving cooling water recovery processing method comprises the following steps:
s1, adding a volume of 45m3The recovery tank is internally provided with a sedimentation device, and then the underground discharge port of the original pretreated backwashing water is partially reformed, so that the discharged backwashing water and the air separation disposable cooling water can flow into the recovery tank;
s2, adding 4 centrifugal water pumps on the recovery tank, and adding corresponding water pipelines from the production line to the inlet main pipe of the clarification tank;
s3, arranging an instrument to automatically control the LIC system, so that when the water level in the recovery tank reaches a certain level, the pump can be automatically started to send the water in the recovery tank to the inlet main pipe of the clarification tank, and the discharge amount reaches 10m3When the pump is started, the pump is automatically stopped;
s4, pumping the water in the recovery tank to a boiler and a production line through a water pump, and using the water in the production water and the domestic water, mainly boiler feed water, production make-up water and heating make-up water, wherein the pumping amount is 10m each time3And carrying out a saving amount test.
In this embodiment, specifically: when the temporary hardness of the water in the recovery pool is higher, and the dosage of the medicament method is large or calcium sulfate scale is generated in the system by an acidification method, a lime softening method can be adopted, and calcium ions and magnesium ions in the water in the recovery pool are removed by a lime softening method or a hydrogen and sodium ion exchange softening method.
In this embodiment, specifically: for the water quality with lower temporary hardness and small circulating water quantity, the concentration multiple of the circulating water is controlled by the sewage discharge quantity, so that the carbonate hardness of the circulating water is smaller than the limit carbonate hardness.
In this embodiment, specifically: by adding acid to the make-up water, the hardness of carbonate can be converted to a hardness of non-carbonate with greater solubility, so that the hardness of carbonate in the circulating water is less than the hardness of the limiting carbonate.
In this embodiment, specifically: adding a scale inhibitor into circulating water is a main method for preventing circulating water from scaling at present, wherein the scale inhibitor is one of polyphosphate, organic phosphonic acid and polyacrylic acid, and preferably the polyacrylic acid.
In this embodiment, specifically: a side filtering system is arranged between the production line and the clarification tank, so that the entering of dirt is reduced, and the conditions of water scaling and serious impurities in the recovery tank can be prevented.
In this embodiment, specifically: when the circulating water pipeline adopts a metal pipeline, the pre-film treatment adopted by the pipeline can be realized by increasing the corrosion inhibitor amount; a layer of compact and continuous protective film is generated on the surface of the metal, so that the corrosion speed of the metal can be prevented or reduced; the corrosion inhibitor is one of polyphosphate, organic phosphonic acid, polycarboxylic acid polymer, molybdate, zinc salt, silicate, thio-benzothiazole, benzotriazole and methyl benzotriazole, and preferably is the thio-benzothiazole.
In this embodiment, specifically: the circulating water pipeline is coated with heat-insulating cotton, the heat-insulating cotton is made of one of rubber-plastic sponge heat-insulating materials, polyethylene heat-insulating materials, composite silicate products and rock wool pipes, and the rubber-plastic sponge heat-insulating materials are preferred.
In this embodiment, specifically: 5 cooling machines are arranged at the inlet header pipe between the production line and the clarification tank, and the water outlet pipes of the cooling machines flow back to the inlet header pipe.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The energy-saving cooling water recycling method is characterized by comprising the following steps of:
s1, adding a volume of 30-45 m3The recovery tank is internally provided with a sedimentation device, and then the underground discharge port of the original pretreated backwashing water is partially reformed, so that the discharged backwashing water and the air separation disposable cooling water can flow into the recovery tank;
s2, adding 2-4 centrifugal water pumps on the recovery tank, and adding corresponding water pipelines from the production line to the inlet main pipe of the clarification tank;
s3, arranging an instrument automatic control LIC system, so that when the water level in the recovery tank reaches a fixed level, the pump can be automatically started to send the water in the recovery tank to the inlet main pipe of the clarification tank, and the discharge amount reaches 5-10 m3When the pump is started, the pump is automatically stopped;
s4, pumping the water in the recovery tank to a boiler and a production line through a water pump, using the water in the production water and the domestic water, mainly supplying water to the boiler, supplementing water for production and supplementing water for heating, wherein the pumping amount is 5-10 m each time3And carrying out a saving amount test.
2. The energy-saving cooling water recovery processing method according to claim 1, characterized in that: when the temporary hardness of the water in the recovery pool is higher, and the dosage of the medicament method is large or calcium sulfate scale is generated in the system by an acidification method, a lime softening method can be adopted, and calcium ions and magnesium ions in the water in the recovery pool are removed by a lime softening method or a hydrogen and sodium ion exchange softening method.
3. The energy-saving cooling water recovery processing method according to claim 1, characterized in that: for the water quality with lower temporary hardness and small circulating water quantity, the concentration multiple of the circulating water is controlled by the sewage discharge quantity, so that the carbonate hardness of the circulating water is smaller than the limit carbonate hardness.
4. The energy-saving cooling water recovery processing method according to claim 1, characterized in that: by adding acid to the make-up water, the hardness of carbonate can be converted to a hardness of non-carbonate with greater solubility, so that the hardness of carbonate in the circulating water is less than the hardness of the limiting carbonate.
5. The energy-saving cooling water recovery processing method according to claim 1, characterized in that: adding a scale inhibitor into circulating water is a main method for preventing circulating water from scaling at present, wherein the scale inhibitor is one of polyphosphate, organic phosphonic acid and polyacrylic acid.
6. The energy-saving cooling water recovery processing method according to claim 1, characterized in that: a side filtering system is arranged between the production line and the clarification tank, so that the entering of dirt is reduced, and the conditions of water scaling and serious impurities in the recovery tank can be prevented.
7. The energy-saving cooling water recovery processing method according to claim 1, characterized in that: when the circulating water pipeline adopts a metal pipeline, the pre-film treatment adopted by the pipeline can be realized by increasing the corrosion inhibitor amount; a layer of compact and continuous protective film is generated on the surface of the metal, so that the corrosion speed of the metal can be prevented or reduced; the corrosion inhibitor is one of polyphosphate, organic phosphonic acid, polycarboxylic acid polymer, molybdate, zinc salt, silicate, sulfur-based benzothiazole, benzotriazole and methylbenzotriazole.
8. The energy-saving cooling water recovery processing method according to claim 1, characterized in that: the circulating water pipeline is coated with heat-insulating cotton, and the heat-insulating cotton is made of one of rubber-plastic sponge heat-insulating materials, polyethylene heat-insulating materials, composite silicate products and rock wool pipes.
9. The energy-saving cooling water recovery processing method according to claim 1, characterized in that: 3-5 cooling machines are arranged at the position of an inlet main pipe between the production line and the clarification tank, and a water outlet pipe of each cooling machine flows back to the inlet main pipe.
CN202010865312.4A 2020-08-25 2020-08-25 Energy-saving cooling water recovery treatment method Pending CN112062329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010865312.4A CN112062329A (en) 2020-08-25 2020-08-25 Energy-saving cooling water recovery treatment method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010865312.4A CN112062329A (en) 2020-08-25 2020-08-25 Energy-saving cooling water recovery treatment method

Publications (1)

Publication Number Publication Date
CN112062329A true CN112062329A (en) 2020-12-11

Family

ID=73659337

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010865312.4A Pending CN112062329A (en) 2020-08-25 2020-08-25 Energy-saving cooling water recovery treatment method

Country Status (1)

Country Link
CN (1) CN112062329A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004121969A (en) * 2002-10-01 2004-04-22 Kurita Water Ind Ltd Cooling water treatment method
US20080073279A1 (en) * 2006-09-27 2008-03-27 Cort Steven L High Rate Clarification of Cooling Water Using Magnetite Seeding and Separation
CN204384990U (en) * 2014-12-22 2015-06-10 浙江东发环保工程有限公司 A kind of recirculated cooling water lime soften for sewage clarification filtration treatment system
CN105196453A (en) * 2015-10-14 2015-12-30 贵州龙里贵乌泡沫塑料包装有限责任公司 EPS plastic foam cooling water circulating system and method for cooling EPS plastic foam using same
CN107651775A (en) * 2017-09-29 2018-02-02 四川德胜集团钒钛有限公司 Slag cooling waste water recovery and processing system
CN110759523A (en) * 2019-10-22 2020-02-07 上海铱钶环保科技有限公司 Method and equipment for treating circulating cooling water by lime softening and ozone

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004121969A (en) * 2002-10-01 2004-04-22 Kurita Water Ind Ltd Cooling water treatment method
US20080073279A1 (en) * 2006-09-27 2008-03-27 Cort Steven L High Rate Clarification of Cooling Water Using Magnetite Seeding and Separation
CN204384990U (en) * 2014-12-22 2015-06-10 浙江东发环保工程有限公司 A kind of recirculated cooling water lime soften for sewage clarification filtration treatment system
CN105196453A (en) * 2015-10-14 2015-12-30 贵州龙里贵乌泡沫塑料包装有限责任公司 EPS plastic foam cooling water circulating system and method for cooling EPS plastic foam using same
CN107651775A (en) * 2017-09-29 2018-02-02 四川德胜集团钒钛有限公司 Slag cooling waste water recovery and processing system
CN110759523A (en) * 2019-10-22 2020-02-07 上海铱钶环保科技有限公司 Method and equipment for treating circulating cooling water by lime softening and ozone

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
张宝军 等编著: "《水处理工程技术》", 31 January 2015, 重庆大学出版社 *
朱月海 等编著: "《工业给水处理》", 30 September 2016, 同济大学出版社 *
赵文玉 等主编: "《工业水处理技术》", 31 May 2019, 电子科技大学出版社 *
陆婉珍 主编: "《工业水处理技术 (第三册)》", 30 June 2000, 中国石化出版社 *

Similar Documents

Publication Publication Date Title
CN104478137A (en) Energy-saving recycling combination system for industrial circulating cooling water
CN210122508U (en) Power plant circulating water treatment system comprising electrochemical sterilization and descaling device and electrodialysis device
CN102767972A (en) Method and device for recovering condensate water in steam heating system
CN101417841A (en) Process for treating revolving furnace flue gas dedusting water from steel mill by low hardness method
CN201321389Y (en) Sewage evaporation and utilization system under furfural production tower
CN112062329A (en) Energy-saving cooling water recovery treatment method
CN104671315A (en) Method and system for realizing zero discharge of whole factory wastewater
CN113816526B (en) Water quenching water recycling treatment process for cold rolling continuous annealing unit
CN205805990U (en) A kind of equipment of recycling machine sealing liquid
CN212247265U (en) Electroplating bath solution concentration recycling treatment device
CN210602866U (en) Turbid circulating water cooling device for VOD
CN208022730U (en) A kind of chromium-electroplating waste water processing unit
CN103373775B (en) Membrane method treatment process of circulation cooling water raw water and special system for membrane method treatment process
CN104724879A (en) Industrial organic wastewater recovery treatment system
CN111690976A (en) Electroplating bath liquid management, concentration and reuse process
CN219217791U (en) Nearly zero release processing system of recirculated cooling water system
CN215113356U (en) Water chilling unit using blast furnace slag flushing water as heat source
CN218810651U (en) Circulating water multistage filtering descaling device
CN211445387U (en) Water treatment device of direct current steam boiler
CN219885851U (en) Steam condensate recycling device
CN215102625U (en) Membrane device for recycling sewage of circulating cooling water system
CN219399006U (en) Recovery device of steam condensate water for heating emulsion of rolling mill
CN218435267U (en) Cooling circulating water replenishing system with soft and hard water switching function
CN221071233U (en) Water saving device of smelting rolling circulating water system
CN216997749U (en) Seawater desalination system based on multistage flash distillation-low temperature multiple-effect distillation of waste water

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20201211

RJ01 Rejection of invention patent application after publication