CN106219799B - Industrial wastewater open and close type recirculated water comprehensive processing zero discharge system and application method - Google Patents
Industrial wastewater open and close type recirculated water comprehensive processing zero discharge system and application method Download PDFInfo
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- CN106219799B CN106219799B CN201610548316.3A CN201610548316A CN106219799B CN 106219799 B CN106219799 B CN 106219799B CN 201610548316 A CN201610548316 A CN 201610548316A CN 106219799 B CN106219799 B CN 106219799B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F15/00—Other methods of preventing corrosion or incrustation
- C23F15/005—Inhibiting incrustation
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
- C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
- C23G1/068—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors compounds containing a C=C bond
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
Abstract
The invention discloses a kind of industrial wastewater open and close type recirculated water comprehensive processing zero discharge system and application method, system includes the cooling equipment of sewage disposal device, open cycle cooling equipment and closed cycle；The sewage disposal device includes sequentially connected cesspool, apparatus for treating sewage and the pond that discharges water；The open cycle cooling equipment includes water cooling tower, chemical tank, first circulation pump, small pump and compound pump, the cooling equipment of the closed cycle includes heat exchange coil, second circulation pump, multiple water cooling heat exchangers and water supply tank, it is contained with the first supermolecule medicament in the water supply tank, the second supermolecule medicament is contained in the chemical tank.It realizes the cooling water heat exchange efficiency for improving industrial wastewater open and close type recirculated water comprehensive processing zero discharge system, and reduces quantity of wastewater effluent.
Description
Technical field
The present invention relates to chemical technology field more particularly to a kind of industrial wastewater open and close type recirculated water comprehensive processing zero discharges
System and application method.
Background technique
The water resource of per capita in China is only the 1/4 of world average level, is the poorest country of global per capita water resource
One of, and be distributed serious unbalanced.With socio-economic development, our demands to water resource are more and more, and for utilizing
Freshwater resources amount but since water pollution, excessive exploitation etc. reduce year by year, water price lattice constantly increase, country to sewage arrange
The supervision put also is increasingly stringenter, and advocates industrial water recycling.Industrial water recycling not only takes full advantage of
Water resource reduces sewage direct emission pollution on the environment, and freshwater resources is lacked, the city of water supply wretched insufficiency
It is to alleviate insufficient water resource, prevention and treatment water pollution, the important channel for protecting environment for city.Currently, can be with after Industrial Wastewater Treatment
As cooling water, most generality and representative purposes is industrial cooling water, in industrial water, the ratio of recirculated cooling water
Example has accounted for the % of 70 % ~ 80, and the moisturizing for using water as recirculated cooling water can actually save water resource, reduce sewage discharge.
But with cooling water cycles of concentration improve, water degradation, often can the fouling in heat exchange equipment and pipeline, influence heat exchange efficiency, together
When, if the fouling in heat exchange equipment is serious, it is desired nonetheless to carry out displacement blowdown, the generation of the phenomenon that sewage discharge occur.How
Designing a kind of reduction quantity of wastewater effluent and improving the scheme of cooling water heat exchange efficiency is the technical problems to be solved by the invention.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of industrial wastewater open and close type recirculated water comprehensive processing zero discharge
System and application method are realized that the cooling water for improving industrial wastewater open and close type recirculated water comprehensive processing zero discharge system exchanges heat and are imitated
Rate, and reduce quantity of wastewater effluent.
Technical solution provided by the invention is a kind of industrial wastewater open and close type recirculated water comprehensive processing zero discharge system, packet
Include the cooling equipment of sewage disposal device, open cycle cooling equipment and closed cycle；The sewage disposal device includes successively connecting
Cesspool, apparatus for treating sewage and the pond that discharges water connect；The open cycle cooling equipment includes water cooling tower, chemical tank, first
Circulating pump, small pump and compound pump, the top of the water cooling tower are provided with spray tube, and the lower part of the water cooling tower is set
It is equipped with reservoir, the first circulation pump is connected between the spray tube and the reservoir, and the small pump is connected to institute
It states and discharges water between pond and the reservoir, the compound pump is connected between the chemical tank and the reservoir, the water storage
The waste discharge mouth in pond connects the cesspool；The cooling equipment of the closed cycle includes heat exchange coil, second circulation pump, multiple water coolings
Heat exchanger and water supply tank, multiple water cooling heat exchangers are arranged in parallel, the heat exchange coil, second circulation pump and the water
Cold heat exchanger is joined together to form closed cycle flow path, and the water supply tank is connected to the closed cycle flow path and described discharges water
Between pond；It is contained with the first supermolecule medicament in the water supply tank, the second supermolecule medicament is contained in the chemical tank；It is described
First supermolecule medicament includes following components in percentage by weight: phenylpropyl triazole 4%-5%, poly-epoxy succinic acid 15%-20%, hydroxyl
Base ethylene-diphosphonic acid 10%-14%, fatty alcohol polyoxyethylene ether 0.1%-0.2%, polyacrylic acid 3%-5%, ortho-nitrophenol benzylamine 1%-
3%, tertiary sodium phosphate 2%-3%, ethylenediamine triacetic acid 1.5%-2.5%, sodium metasilicate 2%-2.5%, surplus are water；Second supermolecule
Medicament includes following components in percentage by weight: 1-hydroxy ethylidene-1,1-diphosphonic acid 20%-25%, sodium metasilicate 3%-5%, aliphatic alcohol polyethenoxy
Ether 0.5%-1%, five methene phosphoric acid 8%-12% of diethylenetriamine, cationic surfactant 1%-2%, surplus is water.
Further, the first supermolecule medicament further include: disodium ethylene diamine tetraacetate 1%-1.5%, polyethylene glycol 1%-
1.5%, neopelex 0.5%-1%, disecoctylmaleate sodium sulfonate 0.5%-1%, p-aminobenzoic acid
0.3%-0.8%。
Further, bypass strainer, the recoil of the bypass strainer have also been arranged in parallel on the first circulation pump
It washes sewage draining exit and connects the cesspool, the waste discharge mouth of the reservoir connects the cesspool.
Further, the first circulation pumps and is provided with the first valve between the reservoir, on first valve
It has been arranged in parallel the first corrosion scaling checking apparatus；Between the outlet and the import of the heat exchange coil of the second circulation pump also
It is provided with the second valve, has been arranged in parallel the second corrosion scaling checking apparatus on second valve.
The present invention also provides a kind of cooling means of industrial wastewater open and close type recirculated water comprehensive processing zero discharge system, use
Above-mentioned industrial wastewater open and close type recirculated water comprehensive processing zero discharge system, cooling means include that open type refrigerating mode and enclosed are cooling
Mode；
The open type refrigerating mode includes: that the middle water of sewage disposal device output is input in reservoir by small pump,
The middle water of reservoir is transported to progress spraying cooling at spray tube by first circulation pump, and at the same time, compound pump will be in chemical tank
The second supermolecule medicament be injected at first circulation pump, by first circulation pump connection the second supermolecule medicament be transported to spray together
In shower pipe, and the sewage accumulated in reservoir is expelled back into cesspool progress sewage treatment and regains middle water circulation use；
The enclosed refrigerating mode includes: that the middle water of sewage disposal device output is injected into and is contained with the first supermolecule medicament
Water supply tank in, the enclosed that middle water and the first supermolecule medicament mixed liquor in water supply tank are transported to the cooling equipment of closed cycle is followed
Circulation road carries out circulating cooling, and the first supermolecule medicament will form oversubscription in the inner surface of heat exchange coil inner wall and water cooling heat exchanger
Sub- film.
Compared with prior art, the advantages and positive effects of the present invention are: industrial wastewater open and close type provided by the invention follows
Ring water comprehensive processing zero discharge system and application method carry out corrosion inhibition by the phenylpropyl triazole in the first supermolecule medicament
Ensure the Corrosion Protection of cleaning agent, and cooperates tertiary sodium phosphate, ethylenediamine triacetic acid, polyacrylic acid and sodium metasilicate mutual cooperation pair
Dirt in closed cycle flow path is adsorbed, bonded and is decomposed, without waste discharge, additionally it is possible to prevent the dissolution in water
Oxygen and metal surface contact corrosion metal realize cooling zero burn into of equipment, zero fouling of closed cycle and zero blowdown, meanwhile, polycyclic
The collaboration of the components such as oxydisuccinic acid, 1-hydroxy ethylidene-1,1-diphosphonic acid, fatty alcohol polyoxyethylene ether and ortho-nitrophenol benzylamine plays supermolecule certainly
Assembling effect forms one layer of oversubscription in metal surface after by dirt removals such as the various rust deposites, grease, dirt of metal surface
Sub- film achievees the effect that delay fouling；Meanwhile for the requirement of the good antiscale property of open cycle cooling equipment, the second supermolecule medicament is adopted
The fouling on heat exchange coil surface is removed with cationic surfactant, meanwhile, 1-hydroxy ethylidene-1,1-diphosphonic acid, sodium metasilicate, poly alkyl alcohol
The components such as five methene phosphoric acid of ethylene oxide ether and diethylenetriamine will also play the role of Supramolecular self assembly, form one in metal surface
Layer Supermolecular film, which reaches, delays fouling, so that the quantity of wastewater effluent of open cycle cooling equipment is reduced, and exchange piece is in cooling
The generation that fouling can effectively be reduced in the process can effectively improve industrial wastewater open and close type recirculated water integrated treatment zero-emission
The cooling water heat exchange efficiency of place system, it is most important that, it is produced after the use of water cooling tower long-time in open cycle cooling equipment
Raw sewage, which can be expelled back into cesspool, re-starts sewage treatment recycling, realizes the whole zero emission requirement of system.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the use state of industrial wastewater open and close type recirculated water comprehensive processing zero discharge system of the present invention with reference to figure.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
As shown in Figure 1, the present embodiment industrial wastewater open and close type recirculated water comprehensive processing zero discharge system, including sewage treatment
The cooling equipment 3 of equipment 1, open cycle cooling equipment 2 and closed cycle；
The sewage disposal device 1 includes sequentially connected cesspool 11, apparatus for treating sewage 12 and the pond 13 that discharges water, wherein
The specific manifestation form of apparatus for treating sewage 12 with no restrictions, can use the sewage-treatment plant in existing sewage treatment plant,
This is with no restrictions；Cesspool 11 passes sequentially through evaporation 14 desalinations of station, is input to sewage treatment using the processing of evaporating waste water station 15
Sewage treatment is carried out in device 12.
The open cycle cooling equipment 2 includes water cooling tower 21, chemical tank (not shown), first circulation pump 22, mends
Water pump 23 and compound pump 24, the top of the water cooling tower 21 are provided with spray tube 211, the lower part of the water cooling tower 21
It is provided with reservoir 212, the first circulation pump 22 is connected between the spray tube 211 and the reservoir 212, the benefit
Water pump 23 discharges water between pond 13 and the reservoir 212 described in being connected to, and the compound pump 24 is connected to the chemical tank and institute
It states between reservoir 212；
The cooling equipment 3 of the closed cycle includes heat exchange coil 31, second circulation pump 32, multiple water cooling heat exchangers 33 and mends
Water tank 34, multiple water cooling heat exchangers 33 are arranged in parallel, the heat exchange coil 31, second circulation pump 32 and the water cooling
Heat exchanger 33 is joined together to form closed cycle flow path, and the water supply tank 34 is connected to the closed cycle flow path and described puts
Between pond 13；
It is contained with the first supermolecule medicament in the water supply tank, the second supermolecule medicament is contained in the chemical tank；Institute
Stating the first supermolecule medicament includes following components in percentage by weight: phenylpropyl triazole 4%-5%, poly-epoxy succinic acid 15%-20%,
1-hydroxy ethylidene-1,1-diphosphonic acid 10%-14%, fatty alcohol polyoxyethylene ether 0.1%-0.2%, polyacrylic acid 3%-5%, ortho-nitrophenol benzylamine 1%-
3%, tertiary sodium phosphate 2%-3%, ethylenediamine triacetic acid 1.5%-2.5%, sodium metasilicate 2%-2.5%, surplus are water；Second supermolecule
Medicament includes following components in percentage by weight: 1-hydroxy ethylidene-1,1-diphosphonic acid 20%-25%, sodium metasilicate 3%-5%, aliphatic alcohol polyethenoxy
Ether 0.5%-1%, five methene phosphoric acid 8%-12% of diethylenetriamine, cationic surfactant 1%-2%, surplus is water.
Specifically, the present embodiment industrial wastewater open and close type recirculated water comprehensive processing zero discharge system is cooling using two sets of items
Equipment, realizes the more quick refrigerating mode of low temperature, and open cycle cooling equipment 2 is responsible for the cooling equipment 3 of closed cycle and carries out
It is cooling, and the cooling equipment 3 of closed cycle is responsible for industrial heat resources and is cooled down, wherein in order to realize the sewage for reducing cooling water
Discharge amount and the service life and use reliability for improving equipment, the present embodiment industrial wastewater open and close type recirculated water integrated treatment zero
Exhaust system has increased separately supermolecule medicament in open cycle cooling equipment 2 and the cooling equipment 3 of closed cycle, wherein needle
The the second supermolecule medicament held in chemical tank is input to first circulation pump using compound pump 24 by opposite opened circulation cooling device 2
At 22, the water in second supermolecule medicament and reservoir 212 is transported to together in spray tube 211 by first circulation pump 22, is sprayed
It is cold that heat-exchanging water is carried out on shower pipe 211 ejecting liquid to heat exchange coil 31, and under the action of the second supermolecule medicament, it can spray
Shower pipe 211 and 31 surface of heat exchange coil form Supermolecular film, the generation of fouling are reduced, simultaneously as in the second supermolecule medicament
Macromolecular complex mass-energy and hydrone and recirculated water in inorganic salt molecule carry out bridging, pass through the weak intermolecular force such as hydrogen bond
Spatial networks molecule group is formed, so that recirculated water is in class laminar condition, heat exchange efficiency further increases.Likewise, for closing
Formula circulation cooling device 3 by the first supermolecule medicament in water supply tank 34 be connected to water be input in closed cycle flow path together into
Row water circulating cooling, in closed circulation stream, the first supermolecule medicament can weaken in corrosion of the water to metal pipe-wall, together
When, the first supermolecule medicament also can form Supermolecular film in metal surface and achieve the effect that delay fouling, and when cooling water is long
Between during closed cycle flow path circulating cooling, the first supermolecule medicament will be adsorbed, bonded and be divided to the dirt in water
Solution, to realize hoop structure.In addition, prepared by the first supermolecule medicament and the second supermolecule medicament in the present embodiment
Cheng Zhong puts into related component in water after mixing evenly according to weight ratio, is eventually adding sodium hydroxide and adjusts pH to 6.5-7.5's
Neutral state.Preferably, the first supermolecule medicament further include: disodium ethylene diamine tetraacetate 1%-1.5%, polyethylene glycol 1%-
1.5%, neopelex 0.5%-1%, disecoctylmaleate sodium sulfonate 0.5%-1%, p-aminobenzoic acid
0.3%-0.8%.In actual use, 1% ~ 3% amount of the total coolant liquid of weight ratio Zhan of usual supermolecule medicament.
Further, bypass strainer 25, the bypass strainer 25 have also been arranged in parallel on the first circulation pump 22
Sewage backwash mouth connect the cesspool 11, the waste discharge mouth of the reservoir 212 connects the cesspool 11.Specifically,
By increasing bypass strainer 25, bypass strainer 25 can use during open cycle cooling, to the cooling water of flowing
It is further filtered, blowdown flow rate, or even not blowdown can be substantially reduced, improve water-saving rate；
Further, it is provided with the first valve 26 between first circulation pump 22 and the reservoir 212, described the
The first corrosion scaling checking apparatus 20 has been arranged in parallel on one valve 26；The outlet and the heat exchange plate of the second circulation pump 32
It is additionally provided with the second valve 35 between the import of pipe 31, the second corrosion and scaling detection dress has been arranged in parallel on second valve 35
Set 30.Specifically, utilizing the first corrosion scaling checking apparatus 20 and the second corrosion scaling checking apparatus 30, it can be determined that cooling water
In fouling condition, whether operator successively can need to increase with reference to supermolecule medicament.
The present invention also provides a kind of cooling means of industrial wastewater open and close type recirculated water comprehensive processing zero discharge system, use
Above-mentioned industrial wastewater open and close type recirculated water comprehensive processing zero discharge system, cooling means include that open type refrigerating mode and enclosed are cooling
Mode；
The open type refrigerating mode includes: that the middle water of sewage disposal device output is input in reservoir by small pump,
The middle water of reservoir is transported to progress spraying cooling at spray tube by first circulation pump, and at the same time, compound pump will be in chemical tank
The second supermolecule medicament be injected at first circulation pump, by first circulation pump connection the second supermolecule medicament be transported to spray together
In shower pipe, and the sewage accumulated in reservoir is expelled back into cesspool progress sewage treatment and regains middle water circulation use；
The enclosed refrigerating mode includes: that the middle water of sewage disposal device output is injected into and is contained with the first supermolecule medicament
Water supply tank in, the enclosed that middle water and the first supermolecule medicament mixed liquor in water supply tank are transported to the cooling equipment of closed cycle is followed
Circulation road carries out circulating cooling, and the first supermolecule medicament will form oversubscription in the inner surface of heat exchange coil inner wall and water cooling heat exchanger
Sub- film.
Compared with prior art, the advantages and positive effects of the present invention are: industrial wastewater open and close type provided by the invention follows
Ring water comprehensive processing zero discharge system and application method carry out corrosion inhibition by the phenylpropyl triazole in the first supermolecule medicament
Ensure the Corrosion Protection of cleaning agent, and cooperates tertiary sodium phosphate, ethylenediamine triacetic acid, polyacrylic acid and sodium metasilicate mutual cooperation pair
Dirt in closed cycle flow path is adsorbed, bonded and is decomposed, without waste discharge, additionally it is possible to prevent the dissolution in water
Oxygen and metal surface contact corrosion metal realize cooling zero burn into of equipment, zero fouling of closed cycle and zero blowdown, meanwhile, polycyclic
The collaboration of the components such as oxydisuccinic acid, 1-hydroxy ethylidene-1,1-diphosphonic acid, fatty alcohol polyoxyethylene ether and ortho-nitrophenol benzylamine plays supermolecule certainly
Assembling effect forms one layer of oversubscription in metal surface after by dirt removals such as the various rust deposites, grease, dirt of metal surface
Sub- film achievees the effect that delay fouling；Meanwhile for the requirement of the good antiscale property of open cycle cooling equipment, the second supermolecule medicament is adopted
The fouling on heat exchange coil surface is removed with cationic surfactant, meanwhile, 1-hydroxy ethylidene-1,1-diphosphonic acid, sodium metasilicate, poly alkyl alcohol
The components such as five methene phosphoric acid of ethylene oxide ether and diethylenetriamine will also play the role of Supramolecular self assembly, form one in metal surface
Layer Supermolecular film, which reaches, delays fouling, so that the quantity of wastewater effluent of open cycle cooling equipment is reduced, and exchange piece is in cooling
The generation that fouling can effectively be reduced in the process can effectively improve industrial wastewater open and close type recirculated water integrated treatment zero-emission
The cooling water heat exchange efficiency of place system.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (4)
1. a kind of industrial wastewater open and close type recirculated water comprehensive processing zero discharge system, which is characterized in that including sewage disposal device,
Open cycle cooling equipment and the cooling equipment of closed cycle；
The sewage disposal device includes sequentially connected cesspool, apparatus for treating sewage and the pond that discharges water；
The open cycle cooling equipment includes water cooling tower, chemical tank, first circulation pump, small pump and compound pump, described
The top of water cooling tower is provided with spray tube, and the lower part of the water cooling tower is provided with reservoir, the first circulation pump
Be connected between the spray tube and the reservoir, the small pump be connected to it is described discharge water between pond and the reservoir,
The compound pump is connected between the chemical tank and the reservoir, and the waste discharge mouth of the reservoir connects the cesspool；
Bypass strainer is also arranged in parallel on the first circulation pump, the sewage backwash mouth of the bypass strainer connects the dirt
Pond;
The cooling equipment of the closed cycle includes heat exchange coil, second circulation pump, multiple water cooling heat exchangers and water supply tank, Duo Gesuo
It states water cooling heat exchanger to be arranged in parallel, shape that the heat exchange coil, the second circulation pump and the water cooling heat exchanger links together
At closed cycle flow path, the water supply tank is connected between the closed cycle flow path and the pond that discharges water；
It is contained with the first supermolecule medicament in the water supply tank, the second supermolecule medicament is contained in the chemical tank；
The first supermolecule medicament includes following components in percentage by weight: phenylpropyl triazole 4%-5%, tertiary sodium phosphate 2%-3%,
Ethylenediamine triacetic acid 1.5%-2.5%, polyacrylic acid 3%-5%, sodium metasilicate 2%-2.5%, poly-epoxy succinic acid 15%-20%, hydroxyl second
Di 2 ethylhexyl phosphonic acid 10%-14%, fatty alcohol polyoxyethylene ether 0.1%-0.2%, ortho-nitrophenol benzylamine 1%-3% are pitched, surplus is water；
The second supermolecule medicament includes following components in percentage by weight: 1-hydroxy ethylidene-1,1-diphosphonic acid 20%-25%, sodium metasilicate
3%-5%, fatty alcohol polyoxyethylene ether 0.5%-1%, five methene phosphoric acid 8%-12% of diethylenetriamine, cationic surfactant 1%-
2%, surplus is water.
2. industrial wastewater open and close type recirculated water comprehensive processing zero discharge system according to claim 1, which is characterized in that institute
State the first supermolecule medicament further include: disodium ethylene diamine tetraacetate 1%-1.5%, polyethylene glycol 1%-1.5%, dodecyl benzene sulfonic acid
Sodium 0.5%-1%, disecoctylmaleate sodium sulfonate 0.5%-1%, p-aminobenzoic acid 0.3%-0.8%.
3. industrial wastewater open and close type recirculated water comprehensive processing zero discharge system according to claim 1, which is characterized in that institute
It states and is provided with the first valve between first circulation pump and the reservoir, the first corrosion knot has been arranged in parallel on first valve
Dirty detection device；It is additionally provided with the second valve between the outlet and the import of the heat exchange coil of the second circulation pump, it is described
The second corrosion scaling checking apparatus has been arranged in parallel on second valve.
4. a kind of cooling means of industrial wastewater open and close type recirculated water comprehensive processing zero discharge system, which is characterized in that using such as
Any industrial wastewater open and close type recirculated water comprehensive processing zero discharge system of claim 1-3, cooling means includes open type
Refrigerating mode and enclosed refrigerating mode；
The open type refrigerating mode includes: that the middle water of sewage disposal device output is input in reservoir by small pump, and first
The middle water of reservoir is transported at spray tube progress spraying cooling by circulating pump, and at the same time, compound pump is by the in chemical tank
Two supermolecule medicaments are injected at first circulation pump, are pumped the second supermolecule medicament of connection by first circulation and are transported to spray tube together
In, and the sewage accumulated in reservoir is expelled back into cesspool progress sewage treatment and regains middle water circulation use；
The enclosed refrigerating mode includes: that the middle water of sewage disposal device output is injected into the benefit for being contained with the first supermolecule medicament
In water tank, middle water and the first supermolecule medicament mixed liquor in water supply tank are transported to the closed cycle stream of the cooling equipment of closed cycle
Road carries out circulating cooling, and the first supermolecule medicament will form supermolecule in the inner surface of heat exchange coil inner wall and water cooling heat exchanger
Film.
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| CN106219799A (en) | 2016-12-14 |
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