CN107456786A - A kind of electroplating cyanic waste water filtration system - Google Patents
A kind of electroplating cyanic waste water filtration system Download PDFInfo
- Publication number
- CN107456786A CN107456786A CN201610396626.8A CN201610396626A CN107456786A CN 107456786 A CN107456786 A CN 107456786A CN 201610396626 A CN201610396626 A CN 201610396626A CN 107456786 A CN107456786 A CN 107456786A
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- China
- Prior art keywords
- tank
- pipeline
- valve
- waste water
- water
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/38—Feed or discharge devices
- B01D24/40—Feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
- B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
A kind of electroplating cyanic waste water filtration system, including clear water reserviors, filtering tank and tank, also include pressure tank, clear water reserviors are connected by the first pipeline with pressure tank, pressure tank is connected in filtering tank water inlet by second pipe, filtering tank delivery port is connected by the 3rd pipeline with tank, and the present invention can solve because floccule or heavy metal particles are stayed in filter medium gap in waste water, and cause the problem of filtering tank water outlet is not smooth, filter medium is hardened and filter effect is bad.
Description
Technical field
The present invention relates to a kind of wastewater treatment equipment, especially a kind of electroplating cyanic waste water filtration system.
Background technology
The waste water of electroplating workshop discharge contains cyanide,Cyanide can cause people and animals' acute poisoning lethal,Low solubility long term can also cause slow poisoning,Therefore have to discharge after handling cyanide wastewater,General cyanide wastewater needs to carry out broken cyanide by two-stage reaction pond,Then the waste water after broken cyanide is drained into combined reaction pond again,Heavy metal chelating agent is added in combined reaction pond,Flocculant,Liquid acid adjusts pH value and waste water is flocculated with liquid caustic soda,Flocculation waste water is drained into sedimentation basin and precipitated,The sludge of precipitation passes through press filtration mechanism mud,Effluent enters clear water reserviors in sedimentation basin,Have that the waste water in clear water reserviors is pumped into filtering tank by water pump again and filtered,Although the waste water taken out from clear water reserviors is the waste water by precipitation,But in water or contain a small amount of floccule and heavy metal particles,These materials be pumped into filtering tank filter after can stay in upper level filter medium,Filter medium gap is caused to block hardened with filter medium,Cause filtered wastewater water outlet not smooth,The problem of filter effect is bad.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of electroplating cyanic waste water filtration system, can solve because floccule or heavy metal particles are stayed in filter medium gap in waste water, and cause the problem of filtering tank water outlet is not smooth, filter medium is hardened and filter effect is bad.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of electroplating cyanic waste water filtration system, including clear water reserviors, filtering tank and tank, in addition to pressure tank, clear water reserviors are connected by the first pipeline with pressure tank, pressure tank is connected by second pipe and connected in filtering tank water inlet, filtering tank delivery port by the 3rd pipeline with tank；
Pressure tank includes tank body, the piston that can slide up and down is provided with tank body, tank body is separated into upper plenum and lower cavity by piston, and positioning sleeve is fixed with lower cavity, and locating rod is provided with positioning sleeve, one end of locating rod is fixedly connected with the piston, under the drive of piston, locating rod can be slided up and down locating rod in positioning sleeve, and lower cavity is connected by an air inlet pipe with an air bottle, air bottle is connected with air compressor machine, and blast pipe is communicated with air inlet pipe；
First suction pump and check valve are installed on the first pipeline；
First valve is installed on second pipe；
Second valve is installed in air inlet pipe；
3rd valve is installed on blast pipe；
The 7th valve is installed on the 3rd pipeline.
Also include backwash part, the backwash part includes the 4th pipeline, the 5th pipeline and the 6th pipeline, the second suction pump and the 4th valve are installed on the 4th pipeline, the 5th valve is installed on the 5th pipeline, the 6th valve is installed on the 6th pipeline, 4th pipeline communication tank and pressure tank upper plenum, the water side of the 5th pipeline communication filtering tank and pressure tank upper plenum, the water inlet end and clear water reserviors of the 6th pipeline communication filtering tank.
One conical water distributing plate is installed in filtering tank below water inlet.
Beneficial effects of the present invention are：Waste water can be pressed into by pressure tank in filtering tank, waste water with pressure because that can flow fast through filter medium in pressure tank, and then make it that filtering tank water outlet is smooth, water yield is big；Waste water after filtering reversely can also be punched into filtering tank by other pressure tank, carried out back flush to the filter medium in filtering tank, can effectively be prevented that filter medium is hardened.
Brief description of the drawings
The present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of the present invention.
In figure：Clear water reserviors 1, pressure tank 2, filtering tank 3, tank 4, air bottle 5, air compressor machine 6, upper plenum 21, lower cavity 22, piston 23, positioning sleeve 24, locating rod 25, first pipeline 71, second pipe 72, 3rd pipeline 73, 4th pipeline 74, 5th pipeline 75, 6th pipeline 76, air inlet pipe 77, blast pipe 78, first valve 81, second valve 82, 3rd valve 83, 4th valve 84, 5th valve 85, 6th valve 86, 7th valve 87, first suction pump 91, second suction pump 92, check valve 10.
Embodiment
As shown in Figure 1：A kind of electroplating cyanic waste water filtration system, including clear water reserviors 1, filtering tank 3 and tank 4, also include pressure tank 2, clear water reserviors 1 are connected by the first pipeline 71 with pressure tank 2, pressure tank 2 is connected by second pipe 72 and connected in the water inlet of filtering tank 3, the delivery port of filtering tank 3 by the 3rd pipeline 73 with tank 4；
Pressure tank 2 includes tank body, the piston 23 that can slide up and down is provided with tank body, tank body is separated into upper plenum 21 and lower cavity 22 by piston 23, positioning sleeve 24 is fixed with lower cavity 22, locating rod 25 is provided with positioning sleeve 24, one end of locating rod 25 is fixedly connected with piston 23, locating rod 25 is under the drive of piston 23, locating rod 25 can slide up and down in positioning sleeve 24, positioning sleeve 24 and locating rod 25 can prevent the deflection during moving up and down of piston 23, lower cavity 22 is connected by an air inlet pipe 77 with an air bottle 5, air bottle 5 and air compressor machine 6 connect, blast pipe 78 is communicated with air inlet pipe 77；
First suction pump 91 and check valve 10 are installed on the first pipeline 71, check valve 10 can prevent the return of waste water in the upper plenum 21 of pressure tank 2；
First valve 81 is installed on second pipe 72；
Second valve 82 is installed in air inlet pipe 77；
3rd valve 83 is installed on blast pipe 78；
The 7th valve 87 is installed on the 3rd pipeline 73.
It can be operated as steps described below when needing to filter waste water：
The first step, the 3rd valve 83 can be opened, close other all valves, the lower cavity 22 of pressure tank 2 is in communication with the outside, piston 23 can be opened the first suction pump 91, water be pumped into the upper plenum 21 of pressure tank 2 with slide downward, after upper plenum 21 is full of water, the first suction pump 91 shuts down.
Second step, open air compressor machine 6, air pressure is filled with to air bottle 5, it is then turned on the first valve 81 and the second valve 82, close the 3rd valve 83,2 times cavitys of air bottle 5 and pressure tank 22 are allowed to connect, gases at high pressure in air bottle 5, which are filled with, to be reached in lower cavity 22, piston 23 is promoted by gases at high pressure, and then piston 23 can promote the waste water in upper plenum 21 to be entered by second pipe 72 in filtering tank 3, waste water can largely, quickly flow through filter medium 31 and is flowed into from the 3rd pipeline 73 in tank 4 under the effect of the pressure.
Also include backwash part, the backwash part includes the 4th pipeline 74, the 5th pipeline 75 and the 6th pipeline 76, second suction pump 92 and the 4th valve 84 are installed on the 4th pipeline 74, the 5th valve 85 is installed on the 5th pipeline 75, the 6th valve 86 is installed on the 6th pipeline 76,4th pipeline 74 connects tank 4 and the upper plenum 21 of pressure tank 2, the water side of 5th pipeline 75 connection filtering tank 3 and the upper plenum 21 of pressure tank 2, the 6th pipeline 76 connect the water inlet end and clear water reserviors 1 of filtering tank 3.
When needing to carry out back flush to the filter medium 31 in filtering tank 3, can operate as steps described below：
The first step, the first valve 81, the second valve 82 and the 7th valve 87 are opened, close other all valves, piston 23 is jacked upwards, discharge the waste water in the upper plenum 21 of pressure tank 2.
Second step, the first valve 81 and the second valve 82 are closed, open the 3rd valve 83, the 4th valve 84 and the second suction pump 92, the waste water after being filtered in tank 4 is pumped into the upper plenum 21 of pressure tank 2, the upper plenum 21 of pressure tank 2 is full of water.
3rd step, open the second valve 82, 5th valve 85 and the 6th valve 86, close the 7th valve 87, 3rd valve 83 and the 4th valve 84, gases at high pressure are filled into the lower cavity 22 of pressure tank 2 by air bottle 5, piston 23 is promoted to move up, waste water in upper plenum 21 passes sequentially through the 5th pipeline 75, the pipeline 76 of filtering tank 3 and the 6th is reversely rinsed to filtering tank 3 from down to up, waste water after flushing is entered in clear water reserviors 1, because waste water has certain pressure in circulation, all floccules and heavy metal particles that can effectively rinse out in filter medium 31, effectively prevent that filter medium 31 is hardened.
One conical water distributing plate 32 is installed in filtering tank 3, water distributing plate 32 can disperse the waste water that water inlet is discharged, and improve filter effect below water inlet.
In summary：Waste water can be pressed into filtering tank 3 by the present invention by pressure tank 2, and waste water make it that the water outlet of filtering tank 3 is smooth, water yield is big because flowing fast through filter medium 31 with pressure；Waste water after filtering can also be reversely punched into filtering tank 3 by other pressure tank 2, carried out back flush to the filter medium 31 in filtering tank 3, can effectively be prevented that filter medium 31 is hardened.
Claims (3)
1. a kind of electroplating cyanic waste water filtration system, including clear water reserviors（1）, filtering tank（3）And tank（4）, it is characterised in that：Also include pressure tank（2）, clear water reserviors（1）Pass through the first pipeline（71）With pressure tank（2）Connection, pressure tank（2）Pass through second pipe（72）Connection is in filtering tank（3）Water inlet, filtering tank（3）Delivery port passes through the 3rd pipeline（73）With tank（4）Connection；
Pressure tank（2）Including tank body, the piston that can slide up and down is provided with tank body（23）, piston（23）Tank body is separated into upper plenum（21）With lower cavity（22）, in lower cavity（22）Inside it is fixed with positioning sleeve（24）, in positioning sleeve（24）It is interior to be provided with locating rod（25）, locating rod（25）One end and piston（23）It is fixedly connected, locating rod（25）In piston（23）Drive under, locating rod（25）Can be in positioning sleeve（24）Inside slide up and down, lower cavity（22）Pass through an air inlet pipe（77）With an air bottle（5）Connection, air bottle（5）And air compressor machine（6）Connection, in air inlet pipe（77）On be communicated with blast pipe（78）；
In the first pipeline（71）On the first suction pump is installed（91）And check valve（10）；
In second pipe（72）On the first valve is installed（81）；
In air inlet pipe（77）On the second valve is installed（82）；
In blast pipe（78）On the 3rd valve is installed（83）；
In the 3rd pipeline（73）On the 7th valve is installed（87）.
A kind of 2. electroplating cyanic waste water filtration system according to claim 1, it is characterised in that：Also include backwash part, the backwash part includes the 4th pipeline（74）, the 5th pipeline（75）With the 6th pipeline（76）, in the 4th pipeline（74）On the second suction pump is installed（92）With the 4th valve（84）, in the 5th pipeline（75）On the 5th valve is installed（85）, in the 6th pipeline（76）On the 6th valve is installed（86）, the 4th pipeline（74）Connect tank（4）And pressure tank（2）Upper plenum（21）, the 5th pipeline（75）Connect filtering tank（3）Water side and pressure tank（2）Upper plenum（21）, the 6th pipeline（76）Connect filtering tank（3）Water inlet end and clear water reserviors（1）.
A kind of 3. electroplating cyanic waste water filtration system according to claim 1, it is characterised in that：In filtering tank（3）One conical water distributing plate is installed below interior water inlet（32）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610396626.8A CN107456786A (en) | 2016-06-06 | 2016-06-06 | A kind of electroplating cyanic waste water filtration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610396626.8A CN107456786A (en) | 2016-06-06 | 2016-06-06 | A kind of electroplating cyanic waste water filtration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107456786A true CN107456786A (en) | 2017-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610396626.8A Pending CN107456786A (en) | 2016-06-06 | 2016-06-06 | A kind of electroplating cyanic waste water filtration system |
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| CN (1) | CN107456786A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108434858A (en) * | 2018-05-23 | 2018-08-24 | 新疆农业大学 | Self-cleaning net cylinder formula continuous filter |
-
2016
- 2016-06-06 CN CN201610396626.8A patent/CN107456786A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108434858A (en) * | 2018-05-23 | 2018-08-24 | 新疆农业大学 | Self-cleaning net cylinder formula continuous filter |
| CN108434858B (en) * | 2018-05-23 | 2024-04-19 | 新疆农业大学 | Self-cleaning net drum type continuous filter |
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Application publication date: 20171212 |