CN207933127U - a kind of sewage pre-treatment device - Google Patents
a kind of sewage pre-treatment device Download PDFInfo
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- CN207933127U CN207933127U CN201820205702.7U CN201820205702U CN207933127U CN 207933127 U CN207933127 U CN 207933127U CN 201820205702 U CN201820205702 U CN 201820205702U CN 207933127 U CN207933127 U CN 207933127U
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Abstract
A kind of sewage pre-treatment device belongs to environmental improvement apparatus field, including water inlet pipe, water inlet mixing pit, anaerobic pond, mixing pit and anoxic pond, wherein water inlet pipe is connected to water inlet mixing pit；Anaerobic pond, mixing pit and anoxic pond are processed into fan-shaped reative cell, and along the peripheral side of water inlet mixing pit, edge its circumferentially；Anaerobic pond is connected to by mixing pit of intaking with the water outlet of water inlet pipe, and anoxic pond offers the water outlet of outer row；The connection of high infraversion malposition between the adjacent reaction room forms the water stream channel in vertical current labyrinth；With this, sewage is after water inlet pipe, into anaerobic pond it is reacted and processing after, it flows into mixing pit and treated that mixed liquor mixes through other subsequent treatment process, anoxic pond is passed through to be handled, subsequent sewage disposal link is finally entered, is enclosed and is set by fan-shaped anaerobic pond and anoxic pond, greatly improve the capacity utilization of sewage disposal device.
Description
Technical field
The utility model is related to a kind of sewage pre-treatment devices, and in particular, to a kind of suitable for rural domestic waste
Sewage pre-treatment device belongs to environmental improvement apparatus field.
Background technology
China human mortality is numerous, and water resource extremely lacks, and the city of concentration is compared for population, at the sewage for taking centralization
Reason mode can solve city domestic sewage problem.But significant portion area rural area is scarcely populated, and many places are because of pipe network
It invests huge or terrain problem and sewage network can not be laid with, cause a large amount of sanitary sewages not obtain any processing just straight
Run in and put, easily causes serious water pollution, therefore rural sewage treatment seems particularly necessary.For a long time due to lacking of capital and
To the thin of sewage disposal consciousness, most villages do not have discharge conduit and sewage disposal system, sanitary sewage arbitrarily to discharge,
To exacerbate the vicious circle of Rural Water Environment.And the discharge wantonly of sanitary sewage causes the tight of rural area earth's surface and body of groundwater
Heavily contaminated directly threatens people’s lives environment and safe drinking water, therefore, is badly in need of reinforcing the improvement of domestic sewage in rural areas, really
The physical and mental health of Ecological Environment and peasant is protected, and the processing of individual type sewage sewage is faced with huge challenge.
Various sewage disposal devices in terms of rural domestic sewage treatment are constantly applied in wastewater treatment, but all
There are various problems：1, CN 201320376824.x disclose a kind of labyrinth type sewage-treatment plant, this includes seal box
Body, seal case one end are provided with inlet opening, and the other end is provided with apopore, seal case upper plate, lower plate, upper plate with
The water fender of cross arrangement is fixed between lower plate respectively, there is groove between two adjacent water fenders of lower plate,
Bottom portion of groove is provided with sewage draining exit, using the labyrinth sewage-treatment plant of this kind of scheme, has a single function, and take up a large area, nothing
Method meets the needs of ingredient increasingly complicated sewage disposal；2, it is dirty to disclose a kind of vertical current labyrinth type by CN 201010569435
Water biochemical reaction device, including the anaerobic reation pool being sequentially connected in series and hypoxia response pond；The anaerobic reation pool and the anoxic
It is both provided with vertical baffle in reaction tank, anaerobic zone and anoxic zone are separated into several concatenated reative cells, in each reative cell
It is equipped with deflector, deflector is inserted by water surface upper end, and there are water stream channels with reaction tank bottom for the bottom of deflector so that every
A reative cell constitutes relatively independent upper downflow system sludge bed system；The indoor flow of previous reaction by turn over stream cross every
Plate enters in next reative cell, and whole flow forms vertical current labyrinth, is filled using the labyrinth type sewage biochemical reaction of the program
It sets, is sequentially communicated by multiple reaction tanks, cause floor space larger, be not particularly suited for the processing of domestic sewage in rural areas.
This also constitutes the structure for requiring further improvement the sewage pre-treatment device for handling domestic sewage in rural areas, with
Solve the problems, such as that be currently used for sewage disposal device area occupied is big.
Invention content
In view of the above problems existing in the prior art, the purpose of the utility model is to provide a kind of sewage pre-treatment device,
The pretreatment unit is generally round, is enclosed and is set by fan-shaped anaerobic pond and anoxic pond, greatly improved sewage disposal and set
Standby capacity utilization while can increasing substantially sewage treating efficiency, reduces the floor space of complete equipment, is particularly suitable for
In the needs of the treatment process of domestic sewage in rural areas.
For achieving the above object, the technical solution adopted in the utility model is as follows：
A kind of sewage pre-treatment device, which is characterized in that including water inlet pipe, water inlet mixing pit, anaerobic pond, mixing pit and lack
Oxygen pond, wherein water inlet pipe is connected to water inlet mixing pit；Anaerobic pond, mixing pit and anoxic pond are processed into fan-shaped reative cell, and
Along water inlet mixing pit peripheral side, edge its circumferentially；Anaerobic pond is connected to by mixing pit of intaking with the water outlet of water inlet pipe, is lacked
Oxygen pond offers the water outlet of outer row；The connection of high infraversion malposition between the adjacent reaction room forms the flow in vertical current labyrinth
Channel；With this, sewage is reacted with after processing into anaerobic pond after water inlet pipe, flows into mixing pit and through other subsequent processings
Mixed liquor mixing after process, passes through anoxic pond and is handled, subsequent sewage disposal link is finally entered, by sector
Anaerobic pond and anoxic pond enclose and set, greatly improve the capacity utilization of sewage disposal device, dirt can be increased substantially
While water treatment efficiency, the floor space of complete equipment is reduced, the need of the treatment process particularly suitable for domestic sewage in rural areas
It wants.
Preferably, the anaerobic pond, mixing pit and anoxic pond scrabble up complete circle along the circumferential direction of water inlet mixing pit, and
Its short arc end abuts against the circumferential lateral surface into water mixing pit, replaceable fixation；Anaerobic pond passes through pipeline with water inlet mixing pit
Connection, forms the water stream channel in unidirectional vertical current labyrinth；With this, the occupation of land of a whole set of sewage pre-treatment device is further reduced
Area, solve to create be difficult to search out existing for small-sized small towns and rural sewage treatment facility efficiently, low consumption, at reliable sewage
The problem of managing device, provides a kind of anaerobic-anoxic front-end processing integral process device of efficient, highly integrated, high automation.
Preferably, anaerobic pond includes at least one anaerobism groove for being used for carrying out sewage biochemical treatment, the adjacent anaerobism
The series connection of high infraversion malposition between slot；The organic matter in sewage can be passed through anaerobism by being connected to multiple anaerobism grooves of setting with this
Bacterial decomposition, metabolism, digestion so that the content of organics in sewage is greatly decreased.
Preferably, anaerobism groove includes the first anaerobism groove, the second anaerobism groove and third anaerobism groove being sequentially arranged, the first anaerobism
Slot is connected to by pipeline with the water outlet of water inlet mixing pit；Third anaerobism groove is connected to by pipeline with mixing pit；By wrong up and down
The anaerobism groove of position connection so that be respectively formed independent upper downflow system sludge system relative to each other in each anaerobism groove, greatly carry
Sewage has been risen in the speed and efficiency handled in anaerobism groove.
Preferably, residue that dirty Organic substance in water is formed in anaerobic environment, heavy in order to remove after anaerobic pond is processed
It forms sediment, effectively utilizes space, mixing pit includes mixing channel, and is connected to the first water inlet pipe and second of setting with mixing channel holding
Water inlet pipe, wherein mixing channel is connected to by the first water inlet pipe and the second water inlet pipe with the holding of other treatment tanks.
Preferably, in order to preferably realize the denitrogenation dephosphorizing in sewage, anoxic pond include it is at least one be used for sewage into
The anoxic slot of row biochemical treatment, between the adjacent anoxic slot series connection of high infraversion malposition pass through with this and be connected to the multiple of setting and lack
Oxygen slot provides the place that aerobic and/or facultative microbe participates in sewage disposal, good biochemical treatment ring is provided for anaerobic bacteria
Border, to achieve the purpose that the polluter of denitrogenation dephosphorizing.
Preferably, water anoxic slot include be sequentially arranged, and concatenated first anoxic slot, the second anoxic slot, third anoxic slot,
4th anoxic slot, the 5th anoxic slot, the 6th anoxic slot, the 7th anoxic slot and the 8th anoxic slot, the first anoxic slot with mix
Pond is connected to, and the 8th anoxic slot leads to the water outlet of other treatment process by offering.
Preferably, in order to promote the effective rate of utilization of volume in each anoxic slot, entire sewage pre-treatment device is promoted to de-
The removal ability of the polluter of nitrogen dephosphorization, third anoxic slot and water inlet setting of the mixing pit by pipeline connection；It, will be through with this
The sludge formed in the processing of the first anoxic slot, the second anoxic slot is crossed, is back into water mixing pit, after being mixed with raw water, again
By anaerobic pond, into mixing pit, into the cycle of the sewage disposal of next time, further reduced in sewage with this
The content of nitrogen and phosphorus pollution object.
Preferably, water inlet pipe runs through the second anoxic slot, the setting being connected to water inlet mixing pit；With this, raw water passes through water inlet
Pipe is directly entered into water reaction tank, it is ensured that in a limited space, passes through the formed sewage disposal of each sewage treatment unit
Channel maximally utilizes；
Further, water inlet pipe runs through the top of the second anoxic slot, is connected to water inlet mixing pit.
Compared with prior art, has following advantageous effect：
Sewage pre-treatment device provided by the utility model, sewage after water inlet pipe, into anaerobic pond it is reacted and processing
Afterwards, it flows into mixing pit and treated that mixed liquor mixes through other subsequent treatment process, pass through anoxic pond and handled, finally
Into subsequent sewage disposal link, is enclosed and set by fan-shaped anaerobic pond and anoxic pond, greatly improved sewage disposal and set
Standby capacity utilization while can increasing substantially sewage treating efficiency, reduces the floor space of complete equipment, is particularly suitable for
In the needs of the treatment process of domestic sewage in rural areas；By being connected to multiple anaerobism grooves of setting, the organic matter in sewage can be led to
It crosses anaerobic bacteria to decompose, metabolism, digest so that the content of organics in sewage is greatly decreased；Pass through detesting for the connection that misplaces up and down
Oxygen slot so that be respectively formed independent upper downflow system sludge system relative to each other in each anaerobism groove, be greatly improved sewage and exist
The speed and efficiency handled in anaerobism groove；By being connected to multiple anoxic slots of setting, aerobic and/or facultative microbe ginseng is provided
With the place of sewage disposal, good biochemical treatment environment is provided for anaerobic bacteria, to reach the polluter of denitrogenation dephosphorizing
Purpose；The sludge by being formed in the processing of the first anoxic slot, the second anoxic slot is back into water mixing pit, it is mixed with raw water
After conjunction, anaerobic pond is again passed by, into mixing pit, in the cycle of the sewage disposal of next time, is further reduced with this
The content of nitrogen and phosphorus pollution object in sewage.
Description of the drawings
Fig. 1 is the structural schematic diagram of sewage pre-treatment device provided by the utility model；
Fig. 2 is another structural schematic diagram of sewage pre-treatment device provided by the utility model.
In figure：10, water inlet pipe, 20, water inlet mixing pit, 30, anaerobic pond, the 31, first anaerobism groove, the 32, second anaerobism groove,
33, third anaerobism groove, 40, mixing pit, 41, mixing channel, the 42, first water inlet pipe, the 43, second water inlet pipe, 50, anoxic pond, 51,
One anoxic slot, the 52, second anoxic slot, 53, third anoxic slot, the 54, the 4th anoxic slot, the 55, the 5th anoxic slot, the 56, the 6th anoxic
Slot, the 57, the 7th anoxic slot, the 58, the 8th anoxic slot.
Specific implementation mode
The utility model is made further in detail, completely to illustrate with reference to embodiment and attached drawing.
For ease of description, herein can with use space relative terms, as " ... on ", " in ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also the positioning of other different modes（It is rotated by 90 ° or is in other orientation）, and
And respective explanations are made to the opposite description in space used herein above.
A kind of sewage pre-treatment device provided by the utility model, as depicted in figs. 1 and 2, the pretreatment unit include into
Water pipe 10, water inlet mixing pit 20, anaerobic pond 30, mixing pit 40 and anoxic pond 50, wherein water inlet pipe 10 connects with water inlet mixing pit 20
It is logical；Anaerobic pond 30, mixing pit 40 and anoxic pond 50 are processed into fan-shaped reative cell, along the peripheral side of water inlet mixing pit 20, edge
It is circumferentially；Anaerobic pond 30 is connected to by mixing pit 20 of intaking with the water outlet of water inlet pipe 10, and anoxic pond 50 offers outer row
Water outlet, the connection of high infraversion malposition between the adjacent reaction room forms the water stream channel in vertical current labyrinth；With this, sewage
After water inlet pipe, into after anaerobic pond is reacted and processing, flows into mixing pit and that treated is mixed through other subsequent treatment process
Liquid mixing is closed, anoxic pond is passed through and is handled, finally enter subsequent sewage disposal link, by fan-shaped anaerobic pond and anoxic
Pond, which is enclosed, to be set, and the capacity utilization of sewage disposal device is greatly improved, and can increase substantially the same of sewage treating efficiency
When, the floor space of complete equipment is reduced, the needs of the treatment process particularly suitable for domestic sewage in rural areas.
Preferably, anaerobic pond 30, mixing pit 40 and anoxic pond 50 scrabble up complete circle along the circumferential direction of water inlet mixing pit 20
Shape, and its short arc end is abutted against into the replaceable fixation of the circumferential lateral surface of water mixing pit 20；Anaerobic pond 30 and water inlet mixing pit
20 are connected to by pipeline, form the water stream channel in unidirectional vertical current labyrinth；With this, a whole set of sewage disinfection treatment is further reduced
The floor space of device, solve to create be difficult to search out existing for small-sized small towns and rural sewage treatment facility efficiently, low consumption, can
The problem of sewage-treatment plant leaned on, provides a kind of anaerobic-anoxic front-end processing one of efficient, highly integrated, high automation
Chemical industry process and equipment.
Anaerobic pond 30 can be various structures appropriate, as shown in Figure 1, anaerobic pond 30 includes at least one is used for sewage
The anaerobism groove for carrying out biochemical treatment, the series connection of high infraversion malposition between the adjacent anaerobism groove；With this, by being connected to the multiple of setting
Organic matter in sewage can be decomposed by anaerobic bacteria, metabolism, digested so that the content of organics in sewage is big by anaerobism groove
Width is reduced.It is preferably carried out in mode in the utility model, anaerobism groove includes the first anaerobism groove 31, the second anaerobism being sequentially arranged
Slot 32 and third anaerobism groove 33, the first anaerobism groove 31 are connected to by pipeline with the water outlet of water inlet mixing pit 20；Third anaerobism groove
33 are connected to by pipeline with mixing pit 40, with this, pass through the anaerobism groove for the connection that misplaces up and down so that are respectively formed in each anaerobism groove
Independent upper downflow system sludge system relative to each other, is greatly improved sewage in the speed and efficiency handled in anaerobism groove.
Mixing pit 40 can be various structures appropriate, as shown in Figure 1, in order to remove after anaerobic pond is processed, sewage
Residue that middle organic matter is formed in anaerobic environment, precipitation effectively utilize space, and mixing pit 40 includes mixing channel 41, and
The first water inlet pipe 42 and the second water inlet pipe 43 that are connected to setting are kept with mixing channel 41, wherein mixing channel 41 passes through the first water inlet
Pipe 42 and the second water inlet pipe 43 are connected to the holding of other treatment tanks.
In order to preferably realize the denitrogenation dephosphorizing in sewage, it is preferable that anoxic pond 50 includes at least one is used for sewage
The anoxic slot for carrying out biochemical treatment, the series connection of high infraversion malposition between the adjacent anoxic slot；With this, by being connected to the multiple of setting
Anoxic slot provides the place that aerobic and/or facultative microbe participates in sewage disposal, good biochemical treatment ring is provided for anaerobic bacteria
Border, to achieve the purpose that the polluter of denitrogenation dephosphorizing.Be preferably carried out in mode in the utility model, anoxic slot include according to
Secondary arrangement, and concatenated first anoxic slot 51, the second anoxic slot 52, third anoxic slot 53, the 4th anoxic slot 54, the 5th anoxic slot
55, the 6th anoxic slot 56, the 7th anoxic slot 57 and the 8th anoxic slot 58, the first anoxic slot 51 are connected to mixing pit 40, and the 8th
Anoxic slot 58 leads to the water outlet of other treatment process by offering.
Further, in order to promote the effective rate of utilization of volume in each anoxic slot, entire sewage pre-treatment device pair is promoted
The removal ability of the polluter of denitrogenation dephosphorizing, third anoxic slot 53 and water inlet setting of the mixing pit 20 by pipeline connection；With
Sludge by being formed in the processing of the first anoxic slot, the second anoxic slot is back into water mixing pit, is mixed with raw water by this
Afterwards, anaerobic pond is again passed by, into mixing pit, in the cycle of the sewage disposal of next time, dirt is further reduced with this
The content of nitrogen and phosphorus pollution object in water.
Preferably, as shown in Fig. 2, water inlet pipe 10 is through the second anoxic slot 52, the setting being connected to water inlet mixing pit 20；With
This, raw water is directly entered by water inlet pipe into water reaction tank, it is ensured that in a limited space, passes through each sewage treatment unit
Formed sewage disposal channel maximally utilizes；Further, water inlet pipe 10 runs through the top of the second anoxic slot 52, with water inlet
Mixing pit 20 is connected to.
In conclusion sewage pre-treatment device provided by the utility model, sewage is after water inlet pipe, into anaerobic pond through anti-
Should with after processing, flow into mixing pit and treated that mixed liquor mixes through other subsequent treatment process, pass through anoxic pond and carry out
Processing, finally enters subsequent sewage disposal link, is enclosed and is set by fan-shaped anaerobic pond and anoxic pond, greatly improves dirt
The capacity utilization of water treatment facilities while can increasing substantially sewage treating efficiency, reduces the floor space of complete equipment,
The needs for the treatment of process particularly suitable for domestic sewage in rural areas；It, can will be in sewage by being connected to multiple anaerobism grooves of setting
Organic matter is decomposed by anaerobic bacteria, metabolism, is digested so that the content of organics in sewage is greatly decreased；By misplacing up and down
The anaerobism groove of connection so that be respectively formed independent upper downflow system sludge system relative to each other in each anaerobism groove, greatly promoted
Sewage is in the speed and efficiency handled in anaerobism groove；By being connected to multiple anoxic slots of setting, aerobic and/or and oxygen is provided
Microorganism participates in the place of sewage disposal, good biochemical treatment environment is provided for anaerobic bacteria, to reach the dirt of denitrogenation dephosphorizing
Contaminate the purpose of substance；The sludge by being formed in the processing of the first anoxic slot, the second anoxic slot is back into water mixing pit,
After being mixed with raw water, anaerobic pond is again passed by, is come into mixing pit into the cycle of the sewage disposal of next time into one with this
Step ground reduces the content of the nitrogen and phosphorus pollution object in sewage.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Although the utility model patent has been described by way of example and in terms of the preferred embodiments, but it is not for limiting the utility model
Patent, any those skilled in the art may be by above-mentioned take off in the spirit and scope for not departing from the utility model patent
The methods and technical content shown makes possible variation and modification to technical solutions of the utility model, therefore, every without departing from this
The content of utility model patent technical solution, the technical spirit according to the utility model patent is to any made by above example
Simple modification, equivalent variations and modification, belong to the protection domain of the utility model patent technical solution.
It is it is necessary to described herein finally：Above example is served only for making the technical solution of the utility model further
It explains in detail, should not be understood as the limitation to scope of protection of the utility model, those skilled in the art is new according to this practicality
Some nonessential modifications and adaptations that the above of type is made belong to the scope of protection of the utility model.
Claims (9)
1. a kind of sewage pre-treatment device, which is characterized in that including water inlet pipe（10）, water inlet mixing pit（20）, anaerobic pond（30）、
Mixing pit（40）And anoxic pond（50）, wherein water inlet pipe（10）With water inlet mixing pit（20）Connection；Anaerobic pond（30）, mixing pit
（40）And anoxic pond（50）It is processed into fan-shaped reative cell, and along water inlet mixing pit（20）Peripheral side, edge its circumferentially；
Anaerobic pond（30）Pass through mixing pit of intaking（20）With water inlet pipe（10）Water outlet connection, anoxic pond（50）Offer going out for outer row
The mouth of a river；The connection of high infraversion malposition between the adjacent reaction room forms the water stream channel in vertical current labyrinth.
2. sewage pre-treatment device according to claim 1, which is characterized in that the anaerobic pond（30）, mixing pit（40）
And anoxic pond（50）Along water inlet mixing pit（20）Circumferential direction scrabble up complete circle, and its short arc end is abutted against and is mixed into water
Pond（20）Circumferential lateral surface, replaceable fixation；Anaerobic pond（30）With water inlet mixing pit（20）It is connected to, is formed unidirectional by pipeline
Vertical current labyrinth water stream channel.
3. sewage pre-treatment device according to claim 1 or 2, which is characterized in that anaerobic pond（30）Including at least one
For carrying out the anaerobism groove of biochemical treatment to sewage, the series connection of high infraversion malposition between the adjacent anaerobism groove.
4. sewage pre-treatment device according to claim 3, which is characterized in that anaerobism groove includes that first be sequentially arranged is detested
Oxygen slot（31）, the second anaerobism groove（32）With third anaerobism groove（33）, the first anaerobism groove（31）Pass through pipeline and water inlet mixing pit
（20）Water outlet connection；Third anaerobism groove（33）Pass through pipeline and mixing pit（40）Connection.
5. sewage pre-treatment device according to claim 1, which is characterized in that mixing pit（40）Including mixing channel（41）,
And and mixing channel（41）Keep the first water inlet pipe of connection setting（42）With the second water inlet pipe（43）, wherein mixing channel（41）
Pass through the first water inlet pipe（42）With the second water inlet pipe（43）It is connected to the holding of other treatment tanks.
6. sewage pre-treatment device according to claim 1, which is characterized in that anoxic pond（50）It is used for including at least one
The anoxic slot that biochemical treatment is carried out to sewage, the series connection of high infraversion malposition between the adjacent anoxic slot.
7. sewage pre-treatment device according to claim 6, which is characterized in that anoxic slot includes being sequentially arranged, and connect
The first anoxic slot（51）, the second anoxic slot（52）, third anoxic slot（53）, the 4th anoxic slot（54）, the 5th anoxic slot（55）、
6th anoxic slot（56）, the 7th anoxic slot（57）With the 8th anoxic slot（58）, the first anoxic slot（51）With mixing pit（40）
Connection, the 8th anoxic slot（58）Lead to the water outlet of other treatment process by offering.
8. sewage pre-treatment device according to claim 7, which is characterized in that third anoxic slot（53）With water inlet mixing pit
（20）Pass through the setting of pipeline connection.
9. sewage pre-treatment device according to claim 7, which is characterized in that water inlet pipe（10）Through the second anoxic slot
（52）, with water inlet mixing pit（20）The setting of connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820205702.7U CN207933127U (en) | 2018-02-06 | 2018-02-06 | a kind of sewage pre-treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820205702.7U CN207933127U (en) | 2018-02-06 | 2018-02-06 | a kind of sewage pre-treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675337A (en) * | 2020-07-09 | 2020-09-18 | 陆伟东 | VFL vertical flow labyrinth water flow structure, device, system and method for sewage treatment |
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2018
- 2018-02-06 CN CN201820205702.7U patent/CN207933127U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675337A (en) * | 2020-07-09 | 2020-09-18 | 陆伟东 | VFL vertical flow labyrinth water flow structure, device, system and method for sewage treatment |
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Address after: 410000 room 406, building A4, Jinghuan community, 126 Xing'an Road, Yuhua District, Changsha City, Hunan Province Patentee after: Weichuang Environmental Technology Co.,Ltd. Address before: 410000 room 406, building A4, Jinghuan community, 126 Xing'an Road, Yuhua District, Changsha City, Hunan Province Patentee before: HUNAN WEICHUANG ENVIRONMENT TECHNOLOGY CO.,LTD. |
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