CN211676594U - Electric suction filtration device - Google Patents
Electric suction filtration device Download PDFInfo
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- CN211676594U CN211676594U CN201922400899.7U CN201922400899U CN211676594U CN 211676594 U CN211676594 U CN 211676594U CN 201922400899 U CN201922400899 U CN 201922400899U CN 211676594 U CN211676594 U CN 211676594U
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Abstract
The utility model relates to an electric suction filtration device, which comprises a suction filtration tank main body, an electric unloading device, a suction filtration tank support body and a negative pressure generating system; the suction filtration tank main body comprises a material suction filtration chamber, a porous sieve plate and a negative pressure cavity, wherein a first drainage hole position is arranged on the side surface of the material suction filtration chamber, the first drainage hole position is connected to a liquid material treatment system through a first drainage pipeline, a filter bag is arranged on the upper surface of the porous sieve plate, a negative pressure suction filtration hole position is arranged on the side surface of the negative pressure cavity, and the negative pressure cavity is connected with a negative pressure generation system through the negative pressure suction filtration hole position; the suction filtration groove supporting body comprises an upper supporting platform for supporting the electric discharging equipment and an accommodating chamber positioned below the suction filtration groove main body; the electric discharging equipment is connected with the material suction filtration chamber of the suction filtration groove main body and can automatically discharge solid matters in the material suction filtration chamber into the containing chamber of the suction filtration groove supporting body. The utility model discloses electronic suction filtration device has convenient operation, the rate of recovery is high, recovery purity is also high, waste water discharge rate is low and has improved advantages such as production efficiency.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a solid-liquid separation equipment, in particular to with solid-liquid separation's suction filter device, especially relate to an electronic suction filter device that is used for alkali copper production.
[ background of the invention ]
The suction filtration tank is a solid-liquid separation device widely applied in the field of chemical industry, and compared with a traditional plate-and-frame filter press, when the suction filtration tank is used for water washing, suction filtration and separation, water consumption is saved by about more than 25%. However, after the suction filtration and washing operation in the prior art, the alkali copper in the suction filtration tank needs to be manually dug out, so that the working strength is high, time and labor are wasted, the working environment is damp and hot, the duration of the whole suction filtration working section is prolonged, the production efficiency is reduced, the contact time between a human body and a product and between the human body and tail gas is prolonged, and the probability of material pollution is increased.
[ Utility model ] content
The to-be-solved technical problem of the utility model lies in avoiding the weak point of above-mentioned prior art and providing an electronic suction filtration device, have convenient operation, the rate of recovery is high, recovery purity is also high, waste water discharge rate is low and improved advantages such as production efficiency.
The utility model provides a technical scheme that technical problem adopted is:
providing an electric suction filtration device for separating a solid-liquid mixture, wherein the separation of the solid-liquid mixture comprises the separation of the solid-liquid mixture during the production of the alkali copper; the electric suction filtration device comprises a suction filtration tank main body, electric unloading equipment, a suction filtration tank supporting body and a negative pressure generating system for providing negative pressure for suction filtration; the suction filtration tank main body is characterized in that an inner cavity of the suction filtration tank main body is divided into an upper layer and a lower layer by a porous sieve plate provided with a plurality of filter holes, the upper layer is a material suction filtration chamber, the lower layer is a negative pressure cavity, a first drainage hole site for draining liquid substances in a solid-liquid mixture is arranged on the side surface of the material suction filtration chamber on the upper layer, the first drainage hole site is connected to a liquid substance treatment system through a first drainage pipeline, a filter bag for intercepting solid substances in the solid-liquid mixture is placed on the upper surface of the porous sieve plate, a negative pressure suction filtration hole site for connecting with the negative pressure generation system is arranged on the side surface of the negative pressure cavity on the lower layer, and the negative pressure cavity is connected with the negative; the suction filtration groove supporting body comprises an upper supporting platform for supporting the electric discharging equipment and an accommodating chamber positioned below the suction filtration groove main body; the electric discharging equipment is arranged on an upper supporting platform of the suction filtration groove supporting body and is connected with the material suction filtration chamber of the suction filtration groove main body, and can automatically discharge solid matters in the material suction filtration chamber into the containing chamber of the suction filtration groove supporting body.
The electric discharging equipment is a motor, a rotating shaft of the motor is fixed on the material suction filtering chamber of the suction filtering tank main body, and the motor can turn over the suction filtering tank main body, so that solid matters in the material suction filtering chamber are automatically poured into the containing chamber of the suction filtering tank supporting body, and the production efficiency is improved.
The diameter of each filtering hole of the porous sieve plate is 22-28 mm.
The containing chamber of the filter tank supporting body at least comprises two independent discharging hoppers.
The negative pressure generating system comprises a suction filtration water tank, a negative pressure tank, a vacuum pump and an exhaust tank; a port on the upper end of the suction filtration water tank is connected to the negative pressure suction filtration hole site of the negative pressure cavity through a first negative pressure pipeline, another port on the upper end of the suction filtration water tank is connected with a port on the upper end of the negative pressure tank through a second negative pressure pipeline, another port on the upper end of the negative pressure tank is connected with a port of the vacuum pump through a third negative pressure pipeline, another port of the vacuum pump is connected with a port on the upper end of the exhaust tank through a fourth negative pressure pipeline, and another port on the upper end of the exhaust tank is connected to the tail gas treatment system through a fifth negative pressure pipeline.
The negative pressure generating system also comprises a pneumatic valve and a liquid level signal control unit for controlling the pneumatic valve to automatically drain water; a liquid level signal hole site is arranged at the upper part of the suction filtration water tank, and a second drainage hole site is arranged at the lower end of the suction filtration water tank; the liquid level signal control unit with the help of each pipeline respectively with liquid level signal hole site and pneumatic valve on suction filtration water pitcher upper portion are connected, the pneumatic valve still through the second drainage pipe with the second drainage hole site of suction filtration water pitcher lower extreme is connected, pneumatic valve rethread third drainage pipe is connected with an interface of three-way valve, and two other interfaces of this three-way valve are connected with first drainage pipe and fourth drainage pipe respectively, the fourth drainage pipe is connected to liquid material processing system.
The negative pressure generating system further comprises a first manual valve; a third drainage hole site is arranged at the lower end of the negative pressure tank; the first manual valve is connected to a third drain hole at the lower end of the negative pressure tank through a fifth drain line, and the first manual valve is connected to the liquid material treatment system through a sixth drain line.
The negative pressure generating system further comprises a second manual valve; a fourth drainage hole site is arranged at the lower end of the exhaust tank; the second manual valve is connected with a fourth water drainage hole at the lower end of the exhaust tank through a seventh water drainage pipeline, and the second manual valve is connected to the liquid substance treatment system through an eighth water drainage pipeline.
Compared with the prior art, the utility model discloses electronic suction filtration device's beneficial effect lies in:
firstly, the electric suction filtration device of the utility model is specially provided with the electric unloading equipment, the electric unloading equipment automatically unloads the solid matters in the material suction filtration chamber into the containing chamber of the support body of the suction filtration tank, and the electric unloading structure is adopted, so that the manual unloading is not needed, the unloading time is shortened, the working time of workers in a damp and hot environment is greatly shortened, the labor is saved, the production efficiency is improved, meanwhile, the pollution of the materials is also avoided, and the recovery rate and the recovery purity of the solid matters are also high;
the waste water discharge rate of the electric suction filtration device is low because the suction filtration device uses less water than a filter press in the water washing process, and the height difference between the surface of the material and the liquid level of tap water can have different optimal values for different materials when the materials are soaked, so that the waste water discharge rate of the electric suction filtration device is low when the electric suction filtration device is used;
thirdly, the utility model discloses electronic suction filtration device installation is simple, convenient operation, easy to maintain.
To sum up, the utility model discloses electronic suction filtration device has advantages such as convenient operation, rate of recovery are high, recovery purity is also high, waste water discharge rate is low and improved production efficiency.
[ description of the drawings ]
FIG. 1 is a schematic front view of an orthographic projection of the electric suction filtration device of the present invention;
FIG. 2 is a schematic front view of an orthographic projection of the suction filtration tank main body, the electric unloading device and the suction filtration tank support body of the electric suction filtration device when they are installed together;
fig. 3 is a schematic front elevation view of the suction box body and the motorized discharge apparatus when mounted together.
[ detailed description ] embodiments
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, an electric suction filtration apparatus for separating a solid-liquid mixture including solid-liquid mixture in the production of alkali copper; the electric suction filtration device comprises a suction filtration tank main body 10, electric discharging equipment 20, a suction filtration tank supporting body 30 and a negative pressure generating system 40 for providing negative pressure for suction filtration; the suction filtration tank main body 10 is divided into an upper layer and a lower layer by a porous sieve plate 13 provided with a plurality of filter holes 131, the inner cavity of the suction filtration tank main body 10 is divided into an upper layer and a lower layer, the upper layer is a material suction filtration chamber 11, the lower layer is a negative pressure chamber 12, a first water discharge hole position 111 for discharging liquid substances in a solid-liquid mixture is arranged on the side surface of the material suction filtration chamber 11 on the upper layer, the first water discharge hole position 111 is connected to a liquid substance processing system 98 through a first water discharge pipe 91, in order to facilitate subsequent automatic discharging, the first water discharge pipe 91 is detachably connected with the first water discharge hole position 111 of the material suction filtration chamber 11, a filter bag (not shown) for intercepting the solid substances in the solid-liquid mixture is arranged on the upper surface of the porous sieve plate 13, the specification of the filter bag is selected according to the size of the solid substances to be intercepted, a negative pressure, the negative pressure cavity is connected with the negative pressure generating system 40 through the negative pressure suction filtration hole site 121; the suction filtration tank support body 30 comprises an upper support table 31 for supporting the electric discharging device 20 and a containing chamber 32 positioned below the suction filtration tank main body 10; the electric discharging device 20 is arranged on the upper support table 31 of the suction filter tank support body 30 and connected with the material suction filter chamber 11 of the suction filter tank main body 10, and can automatically discharge the solid matters in the material suction filter chamber 11 into the accommodating chamber 32 of the suction filter tank support body 30.
Referring to fig. 1 to 3, the electric discharging device 20 is a motor, a rotating shaft of the motor is fixed on the material suction chamber 11 of the suction filter tank body 10, and the motor can turn over the suction filter tank body 10, so that solid matters in the material suction chamber 11 can be automatically poured into the accommodating chamber 32 of the suction filter tank supporting body 30, and the production efficiency is improved.
Referring to fig. 3, the diameter of each filtration pore of the porous sieve plate 13 is 22 to 28 mm, for example, in the separation of solid-liquid mixture for producing alkali copper, the diameter of each filtration pore of the porous sieve plate 13 is 25 mm.
Referring to fig. 1 and 2, for convenience of handling and transportation, the receiving chamber 32 of the suction filtration tank support 30 at least includes two independent lower hoppers 321, and the volume of each lower hopper 321 is substantially the same, so that each receiving bag (not shown) with the same specification can be laid on each lower hopper 321, and when the electric discharging device 20 turns over the suction filtration tank body 10 to automatically pour the solid substances in the material suction filtration chamber 11 into each receiving bag laid on each lower hopper 321 of the suction filtration tank support 30, each receiving bag can be directly taken out and taken away.
Referring to fig. 1, the negative pressure generating system 40 includes a suction filtration water tank 41, a negative pressure tank 42, a vacuum pump 43, and an exhaust tank 44; one interface at the upper end of the suction filtration water tank 41 is connected to the negative pressure suction filtration hole site 121 of the negative pressure cavity through a first negative pressure pipeline 491, the other interface at the upper end of the suction filtration water tank 41 is connected with one interface at the upper end of the negative pressure tank 42 through a second negative pressure pipeline 492, the other interface at the upper end of the negative pressure tank 42 is connected with one interface of the vacuum pump 43 through a third negative pressure pipeline 493, the other interface of the vacuum pump 43 is connected with one interface at the upper end of the exhaust tank 44 through a fourth negative pressure pipeline 494, and the other interface at the upper end of the exhaust tank 44 is connected to the tail gas treatment system 99 through a fifth negative pressure pipeline 495. In order to facilitate subsequent automatic discharging, the first negative pressure pipeline 491 is detachably connected with the negative pressure suction filtration hole 121 of the negative pressure cavity.
Referring to fig. 1, the negative pressure generating system 40 further includes a pneumatic valve 45 and a liquid level signal control unit 46 for controlling the pneumatic valve 45 to automatically drain water; a liquid level signal hole site (not shown) is arranged at the upper part of the suction filtration water tank 41, and a second drainage hole site 419 is arranged at the lower end of the suction filtration water tank 41; the liquid level signal control unit 46 is connected to the liquid level signal hole position on the upper portion of the filtration water tank 41 and the pneumatic valve 45 by means of pipelines, for example, the liquid level signal control unit 46 is connected to the liquid level signal hole position on the upper portion of the filtration water tank 41 by means of a first pipeline 96, the liquid level signal control unit 46 is connected to one port of the pneumatic valve 45 by means of a second pipeline 97, the pneumatic valve 45 is further connected to a second drainage hole position 419 on the lower end of the filtration water tank 41 by means of a second drainage pipeline 92, the pneumatic valve 45 is connected to one port of a three-way valve 95 by means of a third drainage pipeline 93, the other two ports of the three-way valve 95 are connected to a first drainage pipeline 91 and a fourth drainage pipeline 94 respectively, and the fourth drainage pipeline 94 is.
Referring to fig. 1, the negative pressure generating system 40 further includes a first manual valve 48; a third drainage hole position 429 is arranged at the lower end of the negative pressure tank 42; the first manual valve 48 is connected to a third drain hole position 429 at the lower end of the negative pressure tank 42 through a fifth drain line (not shown), and the first manual valve 48 is connected to the liquid material treating system 98 through a sixth drain line (not shown). In order to prevent the possibility of water accumulation (filtrate from the suction filtration water tank 41) in the negative pressure tank 42, the first manual valve 48 is periodically opened manually to drain the water accumulation in the negative pressure tank 42.
Referring to fig. 1, the negative pressure generating system 40 further includes a second manual valve 49; a fourth drainage hole 449 is arranged at the lower end of the exhaust tank 44; the second manual valve 49 is connected to a fourth drain hole site 449 at the lower end of the exhaust tank 44 through a seventh drain line (not shown), and the second manual valve 49 is connected to the liquid material processing system 98 through an eighth drain line (not shown). A sixth drain line (not shown) and an eighth drain line (not shown) may be connected together to the liquid substance treatment system 98 through another three-way valve (not shown). In order to prevent the generation of waste liquid in the exhaust tank 44, the first manual valve 48 is periodically opened manually to drain the waste liquid in the negative pressure tank 42.
Referring to fig. 1 to 3, after the solid-liquid mixture reaches the material filtering chamber 11, the solid matter in the solid-liquid mixture generally settles in the lower layer, most of the liquid matter and most of the fine particles in the solid-liquid mixture are in the upper layer, the liquid matter and the fine particles in the solid-liquid mixture in the upper layer are commonly referred to as supernatant, and the supernatant is discharged to the liquid matter processing system 98 through the first water discharge pipe 91 via the first water discharge hole 111 of the material filtering chamber 11; during suction filtration, after the vacuum pump 43 is started, air in the negative pressure cavity 12, the suction filtration water tank 41 and the negative pressure tank 42 of the suction filtration tank main body 10 is discharged to the exhaust tank 44 through the connected pipelines, and then enters the tail gas treatment system 99, so that negative pressure is formed in the negative pressure cavity 12 of the suction filtration tank main body 10, liquid substances left in solid-liquid mixtures in the material suction filtration chamber 11 of the suction filtration tank main body 10 flow downwards to the negative pressure cavity 12 through the filter bag and the filter holes 131 of the porous sieve plate 13 under the action of atmospheric pressure, the solid substances in the solid-liquid mixtures are intercepted in the material suction filtration chamber 11 due to the filter bag, and the liquid substances flowing into the negative pressure cavity 12 enter the suction filtration water tank 41 through the first negative pressure pipeline 491 under the action of attraction formed by the negative pressure, so as to achieve the purpose of solid-liquid separation. The negative pressure tank 42 is provided to continuously provide negative pressure and protect the vacuum pump 43, if the negative pressure tank 42 is not provided, the suction filtration water tank 41 is directly connected with the vacuum pump 43, filtrate may enter the vacuum pump 43, on one hand, damage is generated to the vacuum pump 43, on the other hand, stable negative pressure cannot be provided, and the phenomenon of filtrate suck-back and the like may occur. The presence of the exhaust tank 44 also serves to protect the vacuum pump 43 and prevent the vacuum pump 43 from being damaged by the waste liquid possibly generated by the fifth negative pressure pipe 495 and the exhaust gas treatment system 99.
The pipelines of each drainage pipeline, each negative pressure pipeline and the like can be made of PP engineering plastics, each negative pressure pipeline can be made of a PP pipe with the inner diameter of about 50 mm, and each drainage pipeline can be made of a PP pipe with the inner diameter of about 65 mm.
Referring to fig. 1 to 3, the operation flow is briefly described as follows:
first, preparation work: cleaning the suction filtration tank main body 10, paving filter bags (not shown) on the upper surface of the porous sieve plate 13, wherein the filter bags are used for intercepting solid matters in a solid-liquid mixture, paving and fixing accommodating bags (not shown) on corresponding discharge hoppers 321 of the accommodating chambers 32 of the suction filtration tank supporting body 30, connecting the first drainage pipeline 91 to the first drainage hole 111 of the material suction filtration chamber 11, and connecting the first negative pressure pipeline 491 to the negative pressure suction filtration hole 121 of the negative pressure cavity;
second, feeding and draining: starting a material transferring pump (not shown), conveying the solid-liquid mixture into a material pumping and filtering chamber 11 of a pumping and filtering tank main body 10, starting feeding, after the solid-liquid mixture reaches the material pumping and filtering chamber 11, generally precipitating the solid matters in the solid-liquid mixture at the lower layer, most of the liquid matters and fine particles in the solid-liquid mixture at the upper layer, commonly called as supernatant, stopping feeding until the surface layer of the solid matter precipitate of the solid-liquid mixture reaches the specified capacity position of the material pumping and filtering chamber 11, and discharging the supernatant to a liquid matter processing system 98 through a first water discharging pipe 91 through a first water discharging hole 111 of the material pumping and filtering chamber 11;
thirdly, suction filtration: starting a vacuum pump 43 of the negative pressure generating system 40 to start suction filtration, wherein the suction filtration time is about 5-10 minutes, closing the vacuum pump 43, and stopping suction filtration; manually flattening the solid matters in the material suction filtering chamber 11;
fourthly, washing, suction filtration and drainage: opening a water inlet valve of tap water, injecting the tap water into the material pumping and filtering chamber 11, stopping water inlet when the water surface of the tap water exceeds the surface layer of the solid matter by 4-6 cm, soaking for about 8-12 minutes, and starting a vacuum pump 43 to pump and filter after the washing is finished; generally, washing water is about three times, suction filtration is needed after washing water is finished each time, and the suction filtration time is as follows in sequence: 4-8 minutes, 4-8 minutes and 15-22 minutes;
during the washing and suction filtration process, most or even all of the filtrate is filtered into the negative pressure cavity 12 through the filter bag and each filter hole 131 of the porous sieve plate 13, and then flows into the suction filtration water tank 41 through the first negative pressure pipeline 491, when the liquid level in the suction filtration water tank 41 reaches the set limit value of the liquid level signal control unit 46, the liquid level signal control unit 46 transmits a signal to the pneumatic valve 45, the valve of the pneumatic valve 45 is opened, and the filtrate in the suction filtration water tank 41 is discharged to the liquid substance processing system 98 through the second water discharge hole 419 at the lower end of the suction filtration water tank 41 through the second water discharge pipe 92, the pneumatic valve 45, the third water discharge pipe 93, the three-way valve 95 and the fourth water discharge pipe 94; a small part of the filtrate may be discharged directly to the liquid substance treatment system 98 through the first drain pipe 91 via the first drain hole 111 of the material suction chamber 11;
fifthly, unloading: before discharging, separating a first drainage pipeline 91 from a first drainage hole 111 of the material suction filtering chamber 11, and separating a first negative pressure pipeline 491 from a negative pressure suction filtering hole 121 of a negative pressure cavity; and then, the electric discharging device 20 is started to turn over the suction filter tank body 10, so that the solid substances in the material suction filter chamber 11 are automatically poured into the containing bags paved on the discharging hoppers 321, and then the containing bags are directly taken out.
The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but it is not understood to limit the scope of the invention, it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention, therefore, all the equivalent changes and modifications made with the scope of the claims of the present invention shall belong to the coverage of the claims of the present invention.
Claims (8)
1. An electric suction filtration device is used for separating a solid-liquid mixture, and the separation of the solid-liquid mixture comprises the separation of the solid-liquid mixture during the production of alkali copper; the method is characterized in that:
the vacuum filtration device comprises a vacuum filtration tank main body (10), electric unloading equipment (20), a vacuum filtration tank supporting body (30) and a negative pressure generating system (40) for providing negative pressure for vacuum filtration; the inner cavity of the suction filtration tank main body (10) is divided into an upper layer and a lower layer by a porous sieve plate (13) provided with a plurality of filter holes (131), the upper layer is a material suction filtration chamber (11), the lower layer is a negative pressure chamber (12), a first drainage hole site (111) for draining liquid substances in solid-liquid mixtures is arranged on the side surface of the material suction filtration chamber (11) on the upper layer, the first drain hole site (111) is connected to a liquid substance treatment system through a first drain pipe (91), the upper surface of the porous sieve plate (13) is provided with a filter bag for intercepting solid matters in the solid-liquid mixture, the side surface of the negative pressure cavity (12) at the lower layer is provided with a negative pressure suction filtration hole (121) for connecting with the negative pressure generating system (40), the negative pressure cavity is connected with the negative pressure generating system (40) through the negative pressure suction filtration hole (121); the suction filtration groove support body (30) comprises an upper support platform (31) for supporting the electric unloading equipment (20) and an accommodating chamber (32) positioned below the suction filtration groove main body (10); the electric discharging equipment (20) is arranged on an upper supporting platform (31) of the suction filtration groove supporting body (30) and is connected with the material suction filtration chamber (11) of the suction filtration groove main body (10), and solid substances in the material suction filtration chamber (11) can be automatically discharged into the containing chamber (32) of the suction filtration groove supporting body (30).
2. The electric suction filtration device according to claim 1, wherein:
the electric discharging equipment (20) is a motor, a rotating shaft of the motor is fixed on a material filtering chamber (11) of the filtering groove main body (10), and the motor can turn the filtering groove main body (10), so that solid matters in the material filtering chamber (11) are automatically poured into a containing chamber (32) of the filtering groove supporting body (30).
3. The electric suction filtration device according to claim 1, wherein:
the diameter of each filtering hole of the porous sieve plate (13) is 22-28 mm.
4. The electric suction filtration device according to claim 1, wherein:
the containing chamber (32) of the suction filtration tank supporting body (30) at least comprises two independent discharging hoppers (321).
5. The electric suction filtration apparatus according to any one of claims 1 to 4, characterized in that:
the negative pressure generating system (40) comprises a suction filtration water tank (41), a negative pressure tank (42), a vacuum pump (43) and an exhaust tank (44); one interface at the upper end of the suction filtration water tank (41) is connected to a negative pressure suction filtration hole site (121) of the negative pressure cavity through a first negative pressure pipeline (491), the other interface at the upper end of the suction filtration water tank (41) is connected with one interface at the upper end of the negative pressure tank (42) through a second negative pressure pipeline (492), the other interface at the upper end of the negative pressure tank (42) is connected with one interface of the vacuum pump (43) through a third negative pressure pipeline (493), the other interface of the vacuum pump (43) is connected with one interface at the upper end of the exhaust tank (44) through a fourth negative pressure pipeline (494), and the other interface at the upper end of the exhaust tank (44) is connected to a tail gas treatment system through a fifth negative pressure pipeline (495).
6. The electric suction filtration device according to claim 5, wherein:
the negative pressure generating system (40) further comprises a pneumatic valve (45) and a liquid level signal control unit (46) for controlling the pneumatic valve (45) to automatically drain water; a liquid level signal hole site is arranged at the upper part of the suction filtration water tank (41), and a second drainage hole site (419) is arranged at the lower end of the suction filtration water tank (41); liquid level signal control unit (46) with the help of each pipeline respectively with liquid level signal hole site and pneumatic valve (45) on suction filtration water pitcher (41) upper portion are connected, pneumatic valve (45) still through second drainage pipe (92) with second drainage hole site (419) of suction filtration water pitcher (41) lower extreme are connected, pneumatic valve (45) rethread third drainage pipe (93) are connected with an interface of three-way valve (95), and two other interfaces of this three-way valve (95) are connected with first drainage pipe (91) and fourth drainage pipe (94) respectively, fourth drainage pipe (94) are connected to liquid matter processing system.
7. The electric suction filtration device according to claim 5, wherein:
the negative pressure generating system (40) further comprises a first manual valve (48); a third drainage hole (429) is formed in the lower end of the negative pressure tank (42); the first manual valve (48) is connected to a third drain hole (429) at the lower end of the negative pressure tank (42) through a fifth drain line, and the first manual valve (48) is connected to the liquid material treatment system through a sixth drain line.
8. The electric suction filtration device according to claim 5, wherein:
the negative pressure generating system (40) further comprises a second manual valve (49); a fourth drainage hole (449) is arranged at the lower end of the exhaust tank (44); the second manual valve (49) is connected with a fourth water discharge hole site (449) at the lower end of the exhaust tank (44) through a seventh water discharge pipeline, and the second manual valve (49) is connected to the liquid substance treatment system through an eighth water discharge pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400899.7U CN211676594U (en) | 2019-12-27 | 2019-12-27 | Electric suction filtration device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922400899.7U CN211676594U (en) | 2019-12-27 | 2019-12-27 | Electric suction filtration device |
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| CN211676594U true CN211676594U (en) | 2020-10-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111908498A (en) * | 2019-12-27 | 2020-11-10 | 深圳市宝安东江环保技术有限公司 | Method for producing copper oxide by using printed circuit board etching waste liquid and electric suction filtration device |
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2019
- 2019-12-27 CN CN201922400899.7U patent/CN211676594U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111908498A (en) * | 2019-12-27 | 2020-11-10 | 深圳市宝安东江环保技术有限公司 | Method for producing copper oxide by using printed circuit board etching waste liquid and electric suction filtration device |
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