CN111573926A - Sewage treatment's nanofiltration device - Google Patents
Sewage treatment's nanofiltration device Download PDFInfo
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- CN111573926A CN111573926A CN202010266777.8A CN202010266777A CN111573926A CN 111573926 A CN111573926 A CN 111573926A CN 202010266777 A CN202010266777 A CN 202010266777A CN 111573926 A CN111573926 A CN 111573926A
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- nanofiltration
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- 238000001728 nano-filtration Methods 0.000 title claims abstract description 101
- 239000010865 sewage Substances 0.000 title claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 238000001914 filtration Methods 0.000 claims abstract description 35
- 239000012528 membrane Substances 0.000 claims abstract description 23
- 238000005192 partition Methods 0.000 claims description 38
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000003814 drug Substances 0.000 claims description 8
- 229940079593 drug Drugs 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims 9
- 238000007906 compression Methods 0.000 claims 9
- 238000004065 wastewater treatment Methods 0.000 claims 8
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 239000000126 substance Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002455 scale inhibitor Substances 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 3
- 238000001647 drug administration Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011268 retreatment Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Classifications
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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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
Abstract
The invention relates to the technical field of nanofiltration membranes, and discloses a nanofiltration device for sewage treatment, which comprises primary pretreatment equipment, secondary pretreatment equipment, filtering equipment and a nanofiltration tank, wherein the water inlet end of the primary pretreatment equipment is connected to a sewage pipe, the secondary pretreatment equipment is connected to the primary pretreatment equipment, the secondary pretreatment equipment is connected to the water inlet end of the filtering equipment, and the water outlet end of the filtering equipment is connected to the water inlet of the nanofiltration tank; the nanofiltration tank comprises a nanofiltration component, and the nanofiltration component is detachably arranged at the bottom of the nanofiltration tank. The overall device simple structure through the setting to receiving the filter box, has reduced sewage treatment's flow, has promoted sewage treatment efficiency simultaneously, and this device adopts and receives the filter membrane, and it is high to produce the water rate, and the device is whole all to adopt detachable filtration equipment, has prolonged the device life-span.
Description
Technical Field
The invention relates to the technical field of nanofiltration membranes, in particular to a nanofiltration device for sewage treatment.
Background
Water is an indispensable resource for human beings, but the water resources available for people on the earth are not many, especially the problem of water resource utilization is still very severe, industrial sewage, municipal sewage and the like occupy a large amount of available water resources, at present, the existing sewage treatment system and device just reach the discharge standard, the sewage really becomes the water available for human beings, and a complex treatment process is needed, meanwhile, the sewage treatment efficiency adopted by the prior art is low, the water yield is low, and the water quality obtained after treatment is not high.
Disclosure of Invention
The invention provides a nanofiltration device for sewage treatment, which aims to solve the problems of low sewage treatment efficiency, low water yield, low water quality and the like in the prior art.
In order to solve the technical problems, the invention provides a nanofiltration device for sewage treatment, which comprises a primary pretreatment device, a secondary pretreatment device, a filtering device and a nanofiltration tank, wherein the water inlet end of the primary pretreatment device is connected to a sewage pipe, the secondary pretreatment device is connected to the primary pretreatment device, the secondary pretreatment device is connected to the water inlet end of the filtering device, and the water outlet end of the filtering device is connected to the water inlet of the nanofiltration tank; the nanofiltration tank comprises a nanofiltration component, and the nanofiltration component is detachably arranged at the bottom of the nanofiltration tank.
Preferably, the nanofiltration tank further comprises a tank shell, a first partition plate and a second partition plate, and the first partition plate and the second partition plate are connected to the inner wall of the tank shell.
Preferably, the nanofiltration tank further comprises a first chamber and a containing box, the first chamber is arranged between the tank body shell and the first partition plate, the containing box is detachably arranged in the first chamber, and a sealing element is arranged at the joint of the containing box and the tank body shell.
Preferably, the accommodating box comprises a pressing component, the pressing component and the accommodating box are arranged at the same height, the pressing component comprises a pressing plate and a pressing buckle, one end of the pressing plate is rotatably connected to the box shell, the other end of the pressing plate is connected to the pressing buckle, and the pressing buckle is fixed on the box shell.
Preferably, the nanofiltration tank further comprises a second chamber, a drug administration port and a light wave tube, the second chamber is arranged between the first partition plate and the second partition plate, the drug administration port is communicated with the second chamber, the drug administration port is arranged on the outer wall of the tank shell, and the light wave tube is arranged in the second chamber.
Preferably, the second chamber includes a rotating device, the rotating device includes a third partition, a fourth chamber, a driving source, a transmission shaft, and a rotating plate, the third partition is connected to the first partition and the inner wall of the box casing, the fourth chamber is disposed between the first partition and the box casing, the driving source is disposed in the fourth chamber, one end of the transmission shaft is connected to the driving source, and the other end of the transmission shaft penetrates through the third partition and is connected to the rotating plate.
As a preferred scheme, the nanofiltration tank further comprises a third chamber and a first through hole, the third chamber is arranged between the box shell and the second partition plate, the first through hole is arranged at the bottom of the box shell, the second partition plate is provided with a second through hole, and the first through hole and the second through hole are arranged opposite to the transmission shaft.
As a preferred scheme, the nanofiltration assembly further comprises a bottom cover, a pipe fitting and a nanofiltration membrane, wherein the bottom cover is connected to the box shell, one end of the pipe fitting is vertically arranged at the center of one side of the bottom cover, the nanofiltration membrane is wrapped on the pipe fitting, a plurality of micropores are formed in the wall of the pipe fitting, and the other end of the pipe fitting penetrates through the first through hole and is connected to the second through hole.
Preferably, the bottom cover comprises a groove and a first water outlet, the groove is opposite to the nanofiltration membrane, and the first water outlet is communicated with the groove.
Preferably, the box casing includes a second water outlet, the second water outlet is communicated with the third chamber, and the second water outlet is connected to the sewage pipe.
As a preferred scheme, the nanofiltration device for water treatment further comprises a first pump body, a second pump body, a third pump body, a fourth pump body and a fifth pump body, wherein the first pump body is arranged on the sewage pipe, the second pump body is arranged between the primary pretreatment equipment and the secondary treatment equipment, the third pump body is arranged between the filtration equipment and the nanofiltration tank, the fourth pump body is connected to a second water outlet, and the fifth pump body is arranged between a second water blowing port and the sewage pipe.
The nanofiltration device for sewage treatment comprises primary pretreatment equipment, secondary pretreatment equipment, filtering equipment and a nanofiltration tank, wherein the water inlet end of the primary pretreatment equipment is connected to a sewage pipe, the secondary pretreatment equipment is connected to the primary pretreatment equipment, the secondary pretreatment equipment is connected to the water inlet end of the filtering equipment, and the water outlet end of the filtering equipment is connected to the water inlet of the nanofiltration tank; the nanofiltration tank comprises a nanofiltration component which is detachably arranged at the bottom of the nanofiltration tank. Overall device simple structure through the setting to receiving the filter tank, has reduced sewage treatment's flow, makes sewage treatment efficiency promote through the design to receiving the filter assembly simultaneously, and this device adopts simultaneously to receive the filter membrane, and the product water rate is high, and the device is whole all to adopt detachable filtration equipment, has prolonged the device life-span.
Drawings
Fig. 1 is a schematic structural view of a nanofiltration device for water treatment according to an embodiment of the present invention;
fig. 2 is one of the schematic structural views of a nanofiltration tank according to an embodiment of the invention;
fig. 3 is one of the schematic structural views of a nanofiltration tank according to an embodiment of the invention;
fig. 4 is a schematic structural view of a nanofiltration assembly according to an embodiment of the present invention.
In the figure, the position of the upper end of the main shaft,
1. primary pretreatment equipment;
2. secondary pretreatment equipment;
3. a filtration device;
4. a nanofiltration tank; 401. a nanofiltration assembly; 401a, a bottom cover; 401b, a pipe fitting; 401c, a nanofiltration membrane; 401d, a groove; 401e, a first water outlet; 402. a case shell; 402a, a second water outlet; 403. a first separator; 404. a second separator; 404a, a second through hole; 405. a first chamber; 407. accommodating the box; 407a, a pressure plate; 407b, a pressing buckle; 408. a second chamber; 408a, a third separator; 408b, a fourth chamber; 408c, a drive source; 408d, a transmission shaft; 408e, rotating plate; 409. a drug feeding port; 410. a light wave tube; 411. a third chamber; 412. a first through hole;
51. a first pump body; 52. a second pump body; 53. a third pump body; 54. a fourth pump body; 55. a fifth pump body;
6. a sewage pipe.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, a nanofiltration device for sewage treatment according to a preferred embodiment of the present invention comprises a primary pretreatment device 1, a secondary pretreatment device 2, a filtration device 3, and a nanofiltration tank 4, wherein a water inlet of the primary pretreatment device 1 is connected to a sewage pipe 6, the secondary pretreatment device 2 is connected to the primary pretreatment device 1, the secondary pretreatment device 2 is connected to a water inlet of the filtration device 3, and a water outlet of the filtration device 3 is connected to a water inlet of the nanofiltration tank 4; the nanofiltration tank 4 comprises a nanofiltration assembly 401, and the nanofiltration assembly 401 is detachably arranged at the bottom of the nanofiltration tank 4. Overall device simple structure through the setting to receiving filter tank 4, has reduced sewage treatment's flow, makes sewage treatment efficiency promote through the design to receiving filter assembly 401 simultaneously, and this device adopts simultaneously to receive filter membrane 401c, and it is high to produce the water rate, and the device is whole all to adopt detachable filtration equipment 3, has prolonged the device life-span.
It should be noted that the primary pretreatment device 1 and the secondary pretreatment device 2 can perform primary disinfection of sedimentation of sewage, and at the same time perform chemical dosing replacement of harmful substances, so that sludge and harmful substances are sedimented. Meanwhile, the primary pretreatment equipment 1 and the secondary pretreatment equipment 2 can be cleaned regularly or irregularly, so that the efficiency and quality of subsequent sewage treatment can be ensured; filter equipment 3 can get rid of objects such as the suspended solid in the sewage, simultaneously, when filter equipment 3 takes place to block up, can pull open filter equipment 3's bottom, clears up out other impurity with the suspended solid.
As shown in fig. 2, the nanofiltration tank 4 further comprises a tank case 402, a first partition 403 and a second partition 404, and the first partition 403 and the second partition 404 are connected to the inner wall of the tank case 402.
Preferably, the nanofiltration tank 4 further comprises a first chamber 405 and a holding box 407, the first chamber 405 is disposed between the tank body shell 402 and the first partition 403, the holding box 407 is detachably disposed in the first chamber 405, and a sealing member is disposed at a connection position of the holding box 407 and the tank body shell 402.
It should be noted that, in the present apparatus, preferably, the quartz layer and the activated carbon layer are disposed in the housing box 407, or other adsorbing and filtering materials are selected to be disposed in the housing box, so that the sewage is adsorbed and filtered in the first chamber 405, and at the same time, when the adsorbing and filtering materials lose the adsorbing and filtering capabilities, the adsorbing and filtering materials can be cleaned or replaced, thereby prolonging the service life of the apparatus.
As shown in fig. 3, the accommodating box 407 comprises a pressing component, the pressing component is arranged at the same height as the accommodating box 407, the pressing component comprises a pressing plate and a pressing buckle, one end of the pressing plate is rotatably connected to the box shell 402, the other end of the pressing plate is connected to the pressing buckle, and the pressing buckle is fixed on the box shell 402. It should be noted that the bottom of the containing box and the first partition 403 are correspondingly provided with through holes, and the through holes are communicated with the first chamber 405 and the second chamber.
As shown in fig. 2, the nanofiltration tank 4 further comprises a second chamber, a drug feeding port and a light wave tube, the second chamber is disposed between the first partition board and the second partition board 404, the drug feeding port is communicated with the second chamber, the drug feeding port is disposed on the outer wall of the tank shell 402, and the light wave tube is disposed in the second chamber.
It should be noted that the adopted light wave tube has a waterproof effect, preferably an ultraviolet light wave tube with a wavelength of 240nm to 280nm, and can kill microorganisms and bacteria in raw water under the action of the light wave tube, thereby achieving the effect of purifying water; the setting of the medicine feeding port facilitates adding the scale inhibitor into the second chamber, the scale inhibitor can increase the solubility of scale substances in water, and the PWT scale inhibitor, the cleaning agent and the like are preferentially adopted to prevent scale inhibition of calcium carbonate, calcium sulfate and the like from blocking the nanofiltration membrane 401c, so that the filtering and purifying effect of the device is ensured. Meanwhile, a disinfectant can be added into the chemical dosing port, so that the water can be completely sterilized in the second chamber.
Preferably, the second chamber includes a rotating device, the rotating device includes a third partition plate connected to the first partition plate 403 and the inner wall of the case body case 402, a fourth chamber disposed between the first partition plate 403 and the case body case 402, a driving source disposed in the fourth chamber, one end of the driving shaft is connected to the driving source, and the other end of the driving shaft passes through the third partition plate and is connected to the rotating plate.
It should be noted here that the arrangement of the rotary device enables the disinfectant or the scale inhibitor added into the second chamber to be completely mixed with water, so that the water purification effect is ensured, and meanwhile, the rotary plate rotates in the water, so that the water in the second chamber generates higher pressure, and the purification efficiency of the device is improved.
Preferably, the nanofiltration tank 4 further comprises a third chamber and a first through hole, the third chamber is arranged between the tank shell 402 and the second partition plate 404, the first through hole is arranged at the bottom of the tank shell 402, the second partition plate 404 is provided with a second through hole 404a, and the first through hole and the second through hole 404a are arranged opposite to the transmission shaft. It should be noted that the first through hole, the second through hole 404a and the transmission shaft are oppositely arranged, so that the pressure generated by the rotating plate is just opposite to the second through hole 404a, and the purification efficiency of sewage treatment is further ensured.
As shown in fig. 4, the nanofiltration assembly 401 further comprises a bottom cover 401a, a pipe 401b and a nanofiltration membrane 401c, the bottom cover 401a is connected to the box body shell 402, one end of the pipe 401b is vertically arranged at the center of one side of the bottom cover 401a, the nanofiltration membrane 401c is wrapped on the pipe 401b, a plurality of micropores are formed in the wall of the pipe 401b, and the other end of the pipe 401b passes through the first through hole and is connected to the second through hole 404 a.
It should be noted that, when the nanofiltration membrane 401c loses the filtering capacity, the bottom cover 401a can be detached to replace the nanofiltration membrane 401c, so that the service life of the device is prolonged, and the cost is reduced.
Preferably, the bottom cover 401a comprises a groove 401d and a first water outlet 401e, the groove 401d is disposed opposite to the nanofiltration membrane 401c, and the first water outlet 401e is communicated with the groove 401 d. The water flowing out of the first water outlet 401e is water that can be used for life.
Preferably, the housing shell 402 includes a second water outlet 402a, the second water outlet 402a communicates with the third chamber, and the second water outlet 402a is connected to the sewage pipe 6. It should be noted that the water flowing out of the second water outlet 402a is the concentrated water produced by the nanofiltration membrane 401c, so that the concentrated water can be pressed back to the sewage pipe 6 for pretreatment and subsequent filtration processes, thereby improving the water utilization rate.
The preferable nanofiltration device for sewage treatment further comprises a first pump body 51, a second pump body 52, a third pump body 53, a fourth pump body 54 and a fifth pump body 55, wherein the first pump body 51 is arranged on the sewage pipe 6, the second pump body 52 is arranged between the primary pretreatment device 1 and the secondary treatment device, the third pump body 53 is arranged between the filtration device 3 and the nanofiltration tank 4, the fourth pump body 54 is connected to the second water outlet 402a, and the fifth pump body 55 is arranged between the second water blowing outlet and the sewage pipe 6.
It should be noted that in the whole sewage treatment process of the device, sewage with treatment is pumped into the primary pretreatment device 1 by the first pump body for sedimentation and disinfection, then pumped into the secondary pretreatment device 2 by the second pump body for sedimentation again, further, the sewage is filtered by the filtering device 3, floccules and other objects in the sewage are primarily removed, the sewage is pumped into the nanofiltration tank 4 by the third pump body, enters the first chamber 405 for fine filtration and adsorption processes, then flows into the second chamber for descaling and disinfection processes, finally enters the nanofiltration assembly 401, enters the nanofiltration membrane 401c through the through hole on the pipe 401b, then a part of purified water produced by the nanofiltration membrane 401c enters the groove 401d, and then enters the first water outlet 401e and is pumped out by the fourth pump body for human use; the other part of the output of the nanofiltration membrane 401c is concentrated water, and is pumped back to the primary pretreatment equipment 1 and subsequent equipment for retreatment by the fifth pump body through the second water outlet 402 a.
To sum up, the embodiment of the invention provides a nanofiltration device for sewage treatment, which comprises primary pretreatment equipment, secondary pretreatment equipment, filtering equipment and a nanofiltration tank, wherein the water inlet end of the primary pretreatment equipment is connected to a sewage pipe, the secondary pretreatment equipment is connected to the primary pretreatment equipment, the secondary pretreatment equipment is connected to the water inlet end of the filtering equipment, and the water outlet end of the filtering equipment is connected to the water inlet of the nanofiltration tank; the nanofiltration tank comprises a nanofiltration component which is detachably arranged at the bottom of the nanofiltration tank. Overall device simple structure through the setting to receiving the filter tank, has reduced sewage treatment's flow, makes sewage treatment efficiency promote through the design to receiving the filter assembly simultaneously, and this device adopts simultaneously to receive the filter membrane, and the product water rate is high, and the device is whole all to adopt detachable filtration equipment, has prolonged the device life-span.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for persons skilled in the art, numerous modifications and substitutions can be made without departing from the counting principle of the present invention, and these modifications and substitutions should also be considered as the protection scope of the present invention.
Claims (11)
1. A nanofiltration device for sewage treatment is characterized by comprising a primary pretreatment device (1), a secondary pretreatment device (2), a filtering device (3) and a nanofiltration tank (4), wherein the water inlet end of the primary pretreatment device (1) is connected to a sewage pipe (6), the secondary pretreatment device (2) is connected to the primary pretreatment device (1), the secondary pretreatment device (2) is connected to the water inlet end of the filtering device (3), and the water outlet end of the filtering device (3) is connected to the water inlet of the nanofiltration tank (4);
the nanofiltration tank (4) comprises a nanofiltration assembly (401), and the nanofiltration assembly (401) is detachably arranged at the bottom of the nanofiltration tank (4).
2. Nanofiltration device for wastewater treatment according to claim 1, wherein the nanofiltration tank (4) further comprises a tank shell (402), a first separator (403) and a second separator (404), wherein the first separator (403) and the second separator (404) are both connected to the inner wall of the tank shell (402).
3. Nanofiltration device for wastewater treatment according to claim 2, wherein the nanofiltration tank (4) further comprises a first chamber (405) and a containment box (407), wherein the first chamber (405) is arranged between the tank shell (402) and the first partition (403), wherein the containment box (407) is detachably arranged within the first chamber (405), and wherein a seal is arranged at the connection of the containment box (407) and the tank shell (402).
4. The nanofiltration device for sewage treatment according to claim 3, wherein the receiving box (407) comprises a compression assembly, the compression assembly is disposed at the same height as the receiving box (407), the compression assembly comprises a compression plate and a compression buckle, one end of the compression plate is rotatably connected to the box housing (402), the other end of the compression plate is connected to the compression buckle, and the compression buckle is fixed on the box housing (402).
5. The nanofiltration device for wastewater treatment according to claim 2, wherein the nanofiltration tank (4) further comprises a second chamber, a drug inlet, and a light wave tube, wherein the second chamber is disposed between the first partition and the second partition (404), the drug inlet is communicated with the second chamber, the drug inlet is disposed on an outer wall of the tank shell (402), and the light wave tube is disposed in the second chamber.
(fifth pump body), nanofiltration device for wastewater treatment according to claim 5, wherein the second chamber comprises a rotating device, the rotating device comprises a third partition, a fourth chamber, a driving source, a transmission shaft and a rotating plate, the third partition is connected to the first partition (403) and the inner wall of the tank shell (402), the fourth chamber is disposed between the first partition (403) and the tank shell (402), the driving source is disposed in the fourth chamber, one end of the transmission shaft is connected to the driving source, and the other end of the transmission shaft passes through the third partition and is connected to the rotating plate.
7. The nanofiltration device for wastewater treatment according to claim 2, wherein the nanofiltration tank (4) further comprises a third chamber and a first through hole, the third chamber is disposed between the tank shell (402) and the second partition plate (404), the first through hole is opened at the bottom of the tank shell (402), the second partition plate (404) is opened with a second through hole (404a), and the first through hole and the second through hole (404a) are disposed opposite to the transmission shaft.
8. The nanofiltration device for wastewater treatment according to claim 1, wherein the nanofiltration module (401) further comprises a bottom cover (401a), a pipe member (401b), and a nanofiltration membrane (401c), wherein the bottom cover (401a) is connected to the tank body shell (402), one end of the pipe member (401b) is vertically disposed at the center of one side of the bottom cover (401a), the nanofiltration membrane (401c) is wrapped on the pipe member (401b), a plurality of micropores are formed in the wall of the pipe member (401b), and the other end of the pipe member (401b) passes through the first through hole and is connected to the second through hole (404 a).
9. Nanofiltration device for wastewater treatment according to claim 8, wherein the bottom cover (401a) comprises grooves (401d) and a first water outlet (401e), the grooves (401d) are arranged opposite to the nanofiltration membrane (401c), and the first water outlet (401e) is communicated with the grooves (401 d).
10. Nanofiltration device for wastewater treatment according to claim 7, wherein the tank shell (402) comprises a second water outlet (402a), the second water outlet (402a) being in communication with the third chamber, and the second water outlet (402a) being connected to the sewer pipe (6).
11. Nanofiltration device according to claim 1, further comprising a first pump (51), a second pump (52), a third pump (53), a fourth pump (54), and a fifth pump (55), wherein the first pump (51) is disposed on the sewer pipe (6), the second pump (52) is disposed between the primary pretreatment apparatus (1) and the secondary pretreatment apparatus (2), the third pump (53) is disposed between the filtration apparatus (3) and the nanofiltration tank (4), the fourth pump (54) is connected to the second water outlet (402a), and the fifth pump (55) is disposed between the second water outlet and the sewer pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010266777.8A CN111573926A (en) | 2020-04-07 | 2020-04-07 | Sewage treatment's nanofiltration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010266777.8A CN111573926A (en) | 2020-04-07 | 2020-04-07 | Sewage treatment's nanofiltration device |
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| Publication Number | Publication Date |
|---|---|
| CN111573926A true CN111573926A (en) | 2020-08-25 |
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| CN202010266777.8A Pending CN111573926A (en) | 2020-04-07 | 2020-04-07 | Sewage treatment's nanofiltration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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