CN202542972U - Zero discharge system for waste water - Google Patents
Zero discharge system for waste water Download PDFInfo
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- CN202542972U CN202542972U CN2012200771320U CN201220077132U CN202542972U CN 202542972 U CN202542972 U CN 202542972U CN 2012200771320 U CN2012200771320 U CN 2012200771320U CN 201220077132 U CN201220077132 U CN 201220077132U CN 202542972 U CN202542972 U CN 202542972U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to a zero discharge system for waste water, which comprises a pre-treatment device, a filtering device and a reverse osmosis device, wherein the pre-treatment device is used for pre-processing sewage discharged by a circulated cooling water system; the filtering device is used for separating impurity from water discharged by the pre-treatment device, the reverse osmosis device is used for performing desalination on the water discharged by the filtering device; clean water discharged by the reverse osmosis device is sent to the circulated cooling water system for use; discharged waste water is sent back to the filtering device; the pre-treatment device, the filtering device and the reverse osmosis device are sequentially connected; a closed loop is formed between the reverse osmosis device and the filtering device; the reverse osmosis device is also connected with the circulated cooling water system; the zero discharge system also comprises a sludge treatment device; the sludge treatment device is connected with the filtering device and is used for performing desalination on the impurity discharged by the filtering device; and discharged water is sent to a surface evaporator. The zero discharge system has the advantages that the sewage can be circulated and recycled after treatment, zero water discharge of a power station is realized, and great social and economic benefits are brought.
Description
Technical field
The utility model relates to a kind of water treatment system, relates in particular to a kind of wastewater zero discharge system that is applied to cement afterheat generation factory.
Background technology
In the prior art, industrial water drainage is purifying treatment such as process filtration, and the water after the processing is arranged to rivers, causes the waste of water resources, even and the water of discharging process purifying treatment, or the existence pollution.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of wastewater zero discharge system that is applied to cement afterheat generation factory, and the sewage that discharge in the power station is handled the back cycling and reutilization, realizes sewage zero-discharge.
To the deficiency of above-mentioned technical problem, the technical scheme that the utility model adopted is: a kind of wastewater zero discharge system comprises:
Be used for the sewage of recirculating cooling water system discharging is carried out pretreated pretreatment unit;
Be used for the water that said pretreatment unit is discharged is carried out the filtration unit of impurity separating treatment;
Be used for the water that said filtration unit is discharged is carried out the reverse osmosis unit of desalting treatment, the clear water that said reverse osmosis unit is discharged is delivered to recirculating cooling water system and is used, and the waste water of being discharged returns to said filtration unit;
Said pretreatment unit, said filtration unit, said reverse osmosis unit connect successively, form closed loop between said reverse osmosis unit and the said filtration unit, and said reverse osmosis unit also is connected with recirculating cooling water system.
Further, said pretreatment unit comprise to sewage flocculate, first dosing pump of germicidal treatment.
Further, said pretreatment unit comprises that also the water that said first dosing pump is discharged carries out the line mixer of further flocculation treatment, and said line mixer one end is connected with said first dosing pump, and the other end is connected with said filtration unit.
Further, also be provided with the foul water tank that is used to collect said recirculating cooling water system effluent sewerage between said recirculating cooling water system and the said pretreatment unit.
Further; Said filtration unit comprises isolating first filtering unit of impurity of first volume range of the water that is connected with said pretreatment unit, be used for said pretreatment unit is discharged, and second filtering unit of the impurity of second volume range of the water that is connected with said first filtering unit, be used for separating said first filtering unit discharge.
Further, the integrated water purifier of said first filtering unit.
Further, said second filtering unit comprises more medium filter and the activated charcoal filter that connects successively.
Further, said filtration unit also comprises the 3rd filtering unit that is connected with said second filtering unit, is used for that the water that said second filtering unit is discharged is carried out the essence filter and handles.
Further, said the 3rd filtering unit is a deep bed filter.
Further, said filtration unit also comprises the 4th filtering unit that is connected with said the 3rd filtering unit, and said the 4th filtering unit is used for the water that said the 3rd filtering unit is discharged is carried out ultrafiltration.
Further, also comprise the buffer tank that is used to collect the clear water that said filtration unit discharges between said filtration unit and the said reverse osmosis unit.
Further, said filtration unit also comprises the raw water tank that is used to collect the water that said first filtering unit discharges, and an end of said raw water tank is connected with said first filtering unit, and the other end is connected with said second filtering unit.
Further; Said reverse osmosis unit comprises first reverse osmosis units; The one of which end is connected with said filtration unit, and the other end is connected with recirculating cooling water system, is used for the water that said filtration unit is discharged is carried out desalting treatment; And the clear water that said first reverse osmosis units is discharged is delivered to recirculating cooling water system and is utilized, and waste water is delivered to said raw water tank.
Further; The 3rd that said reverse osmosis unit also comprises, is connected with said first reverse osmosis units, as to be used for the waste water that said first reverse osmosis units is discharged is carried out thick desalting treatment reverse osmosis units; The clear water that said the 3rd reverse osmosis units is discharged is delivered to said raw water tank, and the waste water that said the 3rd reverse osmosis units is discharged is used for said filtration unit is carried out backwash.
Further; Said the 3rd reverse osmosis units is connected with said second filtering unit, said the 3rd filtering unit respectively; And also be provided with the backwash water pump between said the 3rd reverse osmosis units and said second filtering unit, the waste water that said the 3rd reverse osmosis units is discharged is used for through said backwash water pump said second filtering unit being carried out backwash.
Further, be provided with the waste water tank that is used to collect said the 3rd reverse osmosis units discharge waste water between said the 3rd reverse osmosis units and the said backwash water pump.
Further; Said reverse osmosis unit also comprises second reverse osmosis units that is connected with said first reverse osmosis units; Said second reverse osmosis units has three ports, and a port of said second reverse osmosis units is connected with said first reverse osmosis units, and another port is connected with said boiler; The 3rd port is connected with said buffer tank; Said second reverse osmosis units is used for the clear water that said first reverse osmosis units is discharged is carried out the desalting treatment second time, and the clear water that said second reverse osmosis units is discharged is delivered to boiler and utilized, and the waste water of discharging is returned to said buffer tank.
Further; Also be provided with the fine filtering device that is used for controlling second dosing pump that carbonate scale, sulfate scale generate and the impurity of the three volumes scope that is used to separate the water that said second dosing pump discharges between said filtration unit and the reverse osmosis unit, said second dosing pump is arranged between said buffer tank and the said reverse osmosis unit.
Further, said fine filtering device employing precision is security personnel's strainer of 1～5um.
Further, be provided with the pollution index detector between said fine filtering device and the said reverse osmosis unit, be used to detect the pollution index of the water that said security personnel's strainer discharges.
Further, also comprise sludge treatment equipment, be connected that be used for the impurity that said filtration unit is discharged is carried out processed, the water of discharge is delivered to the cement kiln conditioning tower with said filtration unit.
Further, also comprise sludge treatment equipment, be connected that be used for the impurity that said filtration unit is discharged is carried out processed, the water of discharge is delivered to baudelot evaporator with said filtration unit.
The beneficial effect of the utility model is: after making that sewage is handled, can be recycled and utilize, realize the zero-emission water in power station, bring huge social benefit and economic benefit.
Description of drawings
Fig. 1 representes the utility model embodiment 1 structured flowchart;
Fig. 2 representes the utility model embodiment 2 structured flowcharts.
Embodiment
Be elaborated below in conjunction with the structure and the principle of accompanying drawing to the utility model, the embodiment that lifts only is used to explain the utility model, is not the protection domain that limits the utility model with this.
Embodiment 1: as shown in Figure 1, a kind of wastewater zero discharge system comprises:
Be used for the sewage that recirculating cooling water system is discharged is carried out pretreated pretreatment unit, said pre-treatment comprises processing such as flocculation, sterilization;
Be used for the water that said pretreatment unit is discharged is carried out the filtration unit of impurity separating treatment;
Be used for the water that said filtration unit is discharged is carried out desalting treatment and the clear water of being discharged is supplied with the reverse osmosis unit that recirculating cooling water system uses, the waste water that said reverse osmosis unit is discharged is delivered to said filtration unit;
Said pretreatment unit, said filtration unit, said reverse osmosis unit connect successively, form closed loop between said reverse osmosis unit and the said filtration unit, and said reverse osmosis unit is connected with recirculating cooling water system.
Preferred said pretreatment unit comprise to sewage flocculate, pretreated first dosing pump such as sterilization.
Add relevant flocculation agent and sterilant in said first dosing pump, said flocculation agent adopts PAC (Poly aluminum Chloride (PAC) (abbreviation gathers aluminium) is also claimed aluminium chlorohydroxide) or PAM (SEPIGEL 305), and said sterilant adopts Youxiaolin.
In order to strengthen flocculating effect, said pretreatment unit also comprises the line mixer that is connected with said first dosing pump, and the water that said first dosing pump is discharged gets into said filtration unit through said line mixer.
In the present embodiment preferred implementation; Said filtration unit comprises isolating first filtering unit of impurity of first volume range of the water that is connected with said pretreatment unit, be used for said pretreatment unit is discharged, and second filtering unit of the impurity of second volume range of the water that is connected with said first filtering unit, be used for separating said first filtering unit discharge.In the present embodiment, said first filtering unit adopts the fully automatic integral water purifier, removes the suspended solids such as mud in the water that said line mixer discharges.
Said second filtering unit comprises more medium filter and the activated charcoal filter that connects successively; More medium filter is used for removing molecule, the suspended substance of the water that said integral water purifier discharges, and activated charcoal filter is used for removing the organism and the colloid of water.
In order further to remove the impurity of water, said filtration unit also comprises the 3rd filtering unit that is connected with said second filtering unit, is used for that the water that said second filtering unit is discharged is carried out the essence filter and handles.
In the present embodiment, the 3rd filtering unit adopts deep bed filter, removes the impurity of the particulate about 50 μ m in the water.
Preferably, said filtration unit comprises also and is used for the 4th filtering unit that the water that said deep bed filter is discharged is carried out ultrafiltration that the 4th filtering unit adopts ultra-filtration equipment, removes the impurity of the particulate about 0.1 μ m in the water.
First filtering unit described in the present embodiment filters the impurity that first volume range is 250 μ m, and said second filtering unit filters the impurity that second volume range is 100 μ m, and said bill kept on file filtering unit filters 50
Impurity about μ m; Said the 4th filtering unit filters the impurity about 0.1 μ m; Above-mentioned numerical value and non-limiting said first filtering unit, said second filtering unit, said the 3rd filtering unit, said the 4th filtering unit carry out the volume of filtering impurity; Only be used to represent that the volume of said first filtering unit, said second filtering unit, said the 3rd filtering unit, the filtering impurity of said the 4th filtering unit reduces successively; The filtering accuracy that is said first filtering unit, said second filtering unit, said the 3rd filtering unit, said the 4th filtering unit increases successively, thereby reaches the impurity of removing in the waste water, the standard that gets into said reverse osmosis unit; Certainly adopt other numerical value except that above-mentioned numerical value, as long as the water after filtering reaches the standard that gets into said reverse osmosis unit.
In the present embodiment preferred implementation; Said reverse osmosis unit comprises first reverse osmosis units; The one of which end is connected with said filtration unit, and the other end is connected with said recirculating cooling water system, is used for the water that said filtration unit is discharged is carried out desalting treatment; And the clear water that said first reverse osmosis units is discharged is delivered to recirculating cooling water system and is utilized, and the waste water that said first reverse osmosis units is discharged is delivered to said filtration unit and handled.
Said reverse osmosis unit also comprises second reverse osmosis units that is connected with said first reverse osmosis units; And form closed loop between said second permeation unit and said first reverse osmosis units; Said second reverse osmosis units is used for the clear water that said first reverse osmosis units is discharged is carried out the desalting treatment second time; It returns to said first reverse osmosis units with the waste water of discharging, and the clear water that said second reverse osmosis units is discharged is delivered to boiler and utilized.
Blocked in order to prevent said more medium filter, activated charcoal filter; Said first reverse osmosis units also is connected with said more medium filter, activated charcoal filter through the backwash water pump; A part of waste water that said first reverse osmosis units is discharged carries out backwash through the backwash water pump to said more medium filter, said activated charcoal filter, removes the dirt in said more medium filter, the said activated charcoal filter.
In order to prevent salification in more medium filter, the activated filter film device; Said first reverse osmosis units also is connected with the 3rd reverse osmosis units; Said the 3rd reverse osmosis units is used for the waste water that said first reverse osmosis units is discharged is carried out thick desalting treatment; The clear water that the 3rd reverse osmosis units is discharged is delivered to said filtration unit; The waste water that said the 3rd reverse osmosis units is discharged gets into said more medium filter, activated charcoal filter through the backwash water pump, and said more medium filter, said activated charcoal filter are carried out backwash.
Generation for carbonate scale and sulfate scale in the water that prevents to get into said reverse osmosis unit also is provided with second dosing pump between said filtration unit and the reverse osmosis unit, be added with the r-o-scale inhibitor special MDC-220 of 6～8ppm in said second dosing pump.
For the chlorine content in the water that guarantees to get into said reverse osmosis unit less than 0.1ppm, also be added with reductive agent in said second dosing pump, reductive agent described in the present embodiment adopts sodium sulfite anhy 96.
Impurity for three volumes scope remaining in the water that separates said second dosing pump discharge; Also be provided with fine filtering device between said second dosing pump and the said reverse osmosis unit; Three volumes scope described in the present embodiment is 1～5um, and it is security personnel's strainer of 1～5um that fine filtering device described in the present embodiment adopts precision.
For the pollution index of the water that guarantees to get into said reverse osmosis unit less than 5; Be provided with the pollution index detector before the said reverse osmosis unit; Be used to detect the pollution index of the water that gets into said reverse osmosis unit, the pollution index SDI optimum value that gets in the water of said reverse osmosis unit is between 2～4, if the pollution index in the water surpasses 5; Then need return said security personnel's strainer and filter again, just allow to get into said reverse osmosis unit less than 5 up to pollution index.
Also comprise sludge treatment equipment in the present embodiment wastewater zero discharge system; Be connected with said pretreatment unit, said filtration unit respectively; Said sludge treatment equipment comprises sludge sump and sludge dehydration device; Suspended solidss such as mud, more medium filter, activated charcoal filter, deep bed filter that said integral water purifier is discharged and the impurity of discharging as the ultra-filtration equipment of the 4th filtering unit all enter said sludge sump; Backwash water after said more medium filter and the activated charcoal filter backwash is also arranged like said sludge sump, and the mixture in the said sludge sump gets into said sludge dehydration device through pump and carries out processed, and solid compressed such as mud are formed mud cake; And it is delivered to firing system burning, isolated water supply cement kiln conditioning tower is used.
In the present embodiment optimal way; The foul water tank that also comprises the recirculating cooling water system institute effluent sewerage that is used to collect the power station between said pretreatment unit and the said recirculating cooling water system, the water of foul water tank get in said first dosing pump flocculate, germicidal treatment;
Said filtration unit comprises and is provided with the raw water tank that is used to collect said integral water purifier draining that the waste water that corresponding said the 3rd reverse osmosis units is discharged is delivered to said raw water tank;
Also be provided with the buffer tank that is used to collect said the 4th filtering unit drainage water between said filtration unit and the said reverse osmosis unit, the waste water that corresponding said second reverse osmosis units is discharged is delivered to said buffer tank;
Be provided with between said the 3rd reverse osmosis units and the said backwash water pump and be used to collect the waste water tank that said the 3rd reverse osmosis unit is discharged waste water.
The utility model wastewater zero discharge system applies is following in the concrete working process of cement afterheat generation factory:
The recirculating cooling water system drainage water of cement afterheat generation factory gets into foul water tank; In first dosing pump that adds flocculation agent and sterilant, flocculate and sterilization; Get into line mixer then, further strengthen flocculating effect, be pumped through piping into the fully automatic integral water purifier then through line mixer; Large particulate matter is precipitated and separates and be expelled to sludge sump; Water outlet gets into raw water tank, enters into more medium filter through raw water pump again and removes molecule impurity, gets into charcoal filter then and removes organism, colloid etc.; Carry out the essence filter through deep bed filter, ultra-filtration equipment then, the working pressure through more medium filter, gac or filter, deep bed filter, ultra-filtration equipment filtration the time is 0.2～0.3MPa; To collect buffer tank through liquid; The water of buffer tank is introduced into second dosing pump; Said second dosing pump contains the reductive agent sodium sulfite anhy 96, guarantees chlorine content in the water less than 0.1ppm, and contains Scale inhibitors MDC-220 in second dosing pump; The generation of carbonate scale, sulfate scale in the control water; Be that security personnel's strainer of 1～5um carries out essence filter through precision again, before water gets into reverse osmosis unit, will detect pollution index through online pollution index detector, the pollution index of water surpasses 5 processes strainers of ensuring public security and filters once more; Draining is sent into first reverse osmosis units through water pump then; The part of first reverse osmosis units is produced water and is got into the desalination supply boiler use once more of second reverse osmosis units, and the waste water of second reverse osmosis units is back to buffer tank, and another part of first reverse osmosis units produces water and sends the recirculating cooling water system cycling and reutilization again back to; The waste water of first reverse osmosis units gets into said the 3rd reverse osmosis units and carries out thick desalting treatment, and the clear water of the 3rd reverse osmosis units discharge is back to raw water tank then, and waste water gets into waste water tank, is more medium filter, charcoal filter backwash through the backwash water pump; Water after the backwash gets into sludge sump; Mud is compressed the formation mud cake and delivers to firing system burning, the water supply cement kiln conditioning tower of deviating from after the sludge dehydration device dehydration.
Embodiment 2: as shown in Figure 2; The difference of present embodiment and embodiment 1 is: mud is after the sludge dehydration device dehydration; The water of deviating from is directly delivered to baudelot evaporator through lift pump, utilizes the high-temperature residual heat evaporate to dryness of cement kiln to handle, and institute's agglomerative is main salts substances periodic cleaning with the calcium ions and magnesium ions; And it is delivered to the cement mill raw material storage, mix in the cement raw material and use.
In the utility model wastewater zero discharge system, can supply with the use of cement kiln conditioning tower, perhaps deliver to baudelot evaporator through the water that sludge dehydration device is deviate from; Can also supply with cement kiln conditioning tower and baudelot evaporator simultaneously; Promptly a part is supplied with the use of cement kiln conditioning tower, and another part is delivered to baudelot evaporator through lift pump, utilizes the cement kiln high-temperature waste heat with its evaporate to dryness; Institute's agglomerative salts substances periodic cleaning please be delivered to the cement mill raw material storage and mix in the cement raw material and use.
Compared with prior art; After the industrial sewage manipulation of regeneration of the utility model wastewater zero discharge system with high density; Produce water water quality and reach recirculating cooling water system and boiler feed water quality requirements; Realized the zero-emission water and the recycle of cement afterheat generation factory, when having reduced the environmental protection risk, also brought huge social benefit and economic benefit for enterprise.
The above is the utility model preferred embodiment, is not to limit the utility model protection domain with this, and is all in the utility model spirit, principle, the improvement of being done, is equal to replacement etc., all should be included in the utility model protection domain.
Claims (22)
1. a wastewater zero discharge system is characterized in that, comprising:
Be used for the sewage of recirculating cooling water system discharging is carried out pretreated pretreatment unit;
Be used for the water that said pretreatment unit is discharged is carried out the filtration unit of impurity separating treatment;
Be used for the water that said filtration unit is discharged is carried out the reverse osmosis unit of desalting treatment, the clear water that said reverse osmosis unit is discharged is delivered to recirculating cooling water system and is used, and the waste water of being discharged returns to said filtration unit;
Said pretreatment unit, said filtration unit, said reverse osmosis unit connect successively, form closed loop between said reverse osmosis unit and the said filtration unit, and said reverse osmosis unit also is connected with recirculating cooling water system.
2. wastewater zero discharge according to claim 1 system is characterized in that, said pretreatment unit comprise to sewage flocculate, first dosing pump of germicidal treatment.
3. wastewater zero discharge according to claim 2 system; It is characterized in that; Said pretreatment unit comprises that also the water that said first dosing pump is discharged carries out the line mixer of further flocculation treatment; Said line mixer one end is connected with said first dosing pump, and the other end is connected with said filtration unit.
4. wastewater zero discharge according to claim 1 system is characterized in that, also is provided with the foul water tank that is used to collect said recirculating cooling water system effluent sewerage between said recirculating cooling water system and the said pretreatment unit.
5. wastewater zero discharge according to claim 1 system; It is characterized in that; Said filtration unit comprises isolating first filtering unit of impurity of first volume range of the water that is connected with said pretreatment unit, be used for said pretreatment unit is discharged, and second filtering unit of the impurity of second volume range of the water that is connected with said first filtering unit, be used for separating said first filtering unit discharge.
6. wastewater zero discharge according to claim 5 system is characterized in that the integrated water purifier of said first filtering unit.
7. wastewater zero discharge according to claim 5 system is characterized in that, said second filtering unit comprises more medium filter and the activated charcoal filter that connects successively.
8. wastewater zero discharge according to claim 5 system is characterized in that said filtration unit also comprises the 3rd filtering unit that is connected with said second filtering unit, is used for the water that said second filtering unit is discharged is carried out essence filter processing.
9. wastewater zero discharge according to claim 8 system is characterized in that said the 3rd filtering unit is a deep bed filter.
10. wastewater zero discharge according to claim 8 system is characterized in that said filtration unit also comprises the 4th filtering unit that is connected with said the 3rd filtering unit, and said the 4th filtering unit is used for the water that said the 3rd filtering unit is discharged is carried out ultrafiltration.
11. according to each described wastewater zero discharge system of claim 5 to 10; It is characterized in that; Said filtration unit also comprises the raw water tank that is used to collect the water that said first filtering unit discharges; One end of said raw water tank is connected with said first filtering unit, and the other end is connected with said second filtering unit.
12. wastewater zero discharge according to claim 11 system is characterized in that, is provided with the buffer tank that is used to collect said filtration unit drainage water between said filtration unit and the said reverse osmosis unit.
13. wastewater zero discharge according to claim 12 system; It is characterized in that said reverse osmosis unit comprises first reverse osmosis units, the one of which end is connected with said filtration unit; The other end is connected with recirculating cooling water system; Be used for the water that said filtration unit is discharged is carried out desalting treatment, and said first reverse osmosis units clear water of discharging delivers to recirculating cooling water system and utilize, waste water is delivered to said raw water tank.
14. wastewater zero discharge according to claim 13 system; It is characterized in that said reverse osmosis unit also comprises second reverse osmosis units, said second reverse osmosis units comprises three ports; A port of said second reverse osmosis units is connected with said first reverse osmosis units; Another port is connected with boiler, and the 3rd port is connected with said buffer tank, and said second reverse osmosis units is used for the clear water that said first reverse osmosis units is discharged is carried out the desalting treatment second time; Said second reverse osmosis units is delivered to boiler with the clear water of discharging and is utilized, and the waste water that said second reverse osmosis units is discharged returns to said buffer tank.
15. wastewater zero discharge according to claim 13 system; It is characterized in that; Said reverse osmosis unit also comprises the 3rd reverse osmosis units that is connected with said first reverse osmosis units, be used for the waste water that said first reverse osmosis units is discharged is carried out thick desalting treatment; The clear water that said the 3rd reverse osmosis units is discharged is delivered to said raw water tank, and the waste water that said the 3rd reverse osmosis units is discharged carries out backwash to said filtration unit.
16. wastewater zero discharge according to claim 15 system; It is characterized in that; Said the 3rd reverse osmosis units is connected with said second filtering unit, said the 3rd filtering unit respectively; Be provided with the backwash water pump between said the 3rd reverse osmosis units and said second filtering unit, the waste water that said the 3rd reverse osmosis units is discharged is used for through said backwash water pump said second filtering unit being carried out backwash.
17. wastewater zero discharge according to claim 16 system is characterized in that, is provided with between said the 3rd reverse osmosis units and the said backwash water pump to be used to collect the waste water tank that said the 3rd reverse osmosis units is discharged waste water.
18. wastewater zero discharge according to claim 12 system; It is characterized in that; Also be provided with the fine filtering device that is used for controlling second dosing pump that carbonate scale, sulfate scale generate and the impurity of the three volumes scope that is used to separate the water that said second dosing pump discharges between said filtration unit and the reverse osmosis unit, said second dosing pump is arranged between said buffer tank and the said reverse osmosis unit.
19. wastewater zero discharge according to claim 18 system is characterized in that, it is security personnel's strainer of 1～5um that said fine filtering device adopts precision.
20. wastewater zero discharge according to claim 18 system is characterized in that, is provided with the pollution index detector between said fine filtering device and the said reverse osmosis unit, is used to detect the pollution index of the water that said fine filtering device discharges.
21. wastewater zero discharge according to claim 1 system is characterized in that, also comprises sludge treatment equipment, is connected with said filtration unit, is used for the impurity that said filtration unit is discharged is carried out processed, the water of discharge is delivered to the cement kiln conditioning tower.
22. wastewater zero discharge according to claim 1 system is characterized in that, also comprises sludge treatment equipment, is connected with said filtration unit, is used for the impurity that said filtration unit is discharged is carried out processed, the water of discharge is delivered to baudelot evaporator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200771320U CN202542972U (en) | 2012-03-02 | 2012-03-02 | Zero discharge system for waste water |
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| CN2012200771320U CN202542972U (en) | 2012-03-02 | 2012-03-02 | Zero discharge system for waste water |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104150624A (en) * | 2014-07-01 | 2014-11-19 | 霖创环保科技(上海)有限公司 | Treatment method for recycling silicon wafer grinding wastewater in semiconductor industry |
| CN105692965A (en) * | 2016-04-13 | 2016-06-22 | 中国人民解放军第四五二医院 | Emergency drinking water purifying treatment device |
| CN105753240A (en) * | 2016-04-29 | 2016-07-13 | 华电郑州机械设计研究院有限公司 | Novel zero discharge treatment technology for high salinity wastewater of thermal power plant |
| CN106145498A (en) * | 2016-08-23 | 2016-11-23 | 华电郑州机械设计研究院有限公司 | A kind of thermal power plant high slat-containing wastewater zero-emission recovery and treatment method |
| CN110451694A (en) * | 2019-09-09 | 2019-11-15 | 清远欣凯环保科技有限公司 | A kind of adhesive producing utilizes processing system with water-ring vacuum pump effluent cycle |
| CN111517547A (en) * | 2020-04-08 | 2020-08-11 | 广州高澜节能技术股份有限公司 | Converter valve cooling tower wastewater treatment system and treatment process |
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2012
- 2012-03-02 CN CN2012200771320U patent/CN202542972U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150624A (en) * | 2014-07-01 | 2014-11-19 | 霖创环保科技(上海)有限公司 | Treatment method for recycling silicon wafer grinding wastewater in semiconductor industry |
| CN105692965A (en) * | 2016-04-13 | 2016-06-22 | 中国人民解放军第四五二医院 | Emergency drinking water purifying treatment device |
| CN105753240A (en) * | 2016-04-29 | 2016-07-13 | 华电郑州机械设计研究院有限公司 | Novel zero discharge treatment technology for high salinity wastewater of thermal power plant |
| CN106145498A (en) * | 2016-08-23 | 2016-11-23 | 华电郑州机械设计研究院有限公司 | A kind of thermal power plant high slat-containing wastewater zero-emission recovery and treatment method |
| CN110451694A (en) * | 2019-09-09 | 2019-11-15 | 清远欣凯环保科技有限公司 | A kind of adhesive producing utilizes processing system with water-ring vacuum pump effluent cycle |
| CN111517547A (en) * | 2020-04-08 | 2020-08-11 | 广州高澜节能技术股份有限公司 | Converter valve cooling tower wastewater treatment system and treatment process |
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