CN208995300U - A kind of sewage-treatment plant - Google Patents
A kind of sewage-treatment plant Download PDFInfo
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- CN208995300U CN208995300U CN201821692048.3U CN201821692048U CN208995300U CN 208995300 U CN208995300 U CN 208995300U CN 201821692048 U CN201821692048 U CN 201821692048U CN 208995300 U CN208995300 U CN 208995300U
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- sewage
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- treatment plant
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Abstract
The utility model provides a kind of sewage-treatment plant, the sewage-treatment plant includes the processing cabinet that top is provided with water inlet, it is provided with the filter element of more than two arrangements of sequence up and down in the treatment box body and collects the converging component of filtered water, the converging component is arranged between two adjacent filter elements；Treatment sewage is injected by the water inlet of the processing cabinet, and successively completion is handled after each filter element and converging component.The sewage-treatment plant of the utility model, good purification, structure are simple, easy to maintain.
Description
Technical field
The utility model relates to water treatment technologies, and in particular to a kind of sewage-treatment plant.
Background technique
Sewage treatment is that sewage is made to reach the mistake for being discharged into that a certain water body or the water quality requirement reused purify it
Journey.Sewage treatment is widely used in the every field such as industry and agricultural.Raising and the earth with people's lives level
The continuous scarcity of resource, people constantly reinforce more and more sewage-treatment plants to the consciousness of the recycling of water resource and are also answered
It uses in our life.
In industry and life, it is often necessary to by sanitary sewage disposal at the higher purified water of quality.In the prior art, locate
Reason sanitary sewage is handled sewage often by the water treatment facilities such as filtering, reverse osmosis are used.However, at these water
Reason device has the problems such as clean-up effect is poor, structure is complicated, difficult in maintenance.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of good purifications, the dirt that structure is simple, easy to maintain
Water treatment facilities.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
The utility model provides a kind of sewage-treatment plant, and the sewage-treatment plant includes that top is provided with water inlet
Processing cabinet, the filter element of about at least two sequence arrangements is provided in the treatment box body and collects filtered water
Converging component, the converging component is arranged between two adjacent filter elements；
Treatment sewage is injected by the water inlet of the processing cabinet, successively passes through each filter element and confluence portion
Completion is handled after part.
In above scheme, the sewage-treatment plant further includes the filtering for being mounted on the processing body side that can be extracted out
Part stent, the filter element are mounted on the filter element bracket, and can be with described in filter element bracket extraction
Handle cabinet.
In above scheme, the converging component is the cavity that import, lower end setting outlet is arranged in upper end, the converging component
Import cross-sectional area be greater than top the filter element water outlet cross-sectional area, and be greater than the confluence portion
The cross-sectional area of the outlet of part.
In above scheme, the outer wall of the entrance of the converging component is bonded the inner wall of the processing cabinet, the confluence
The inner wall of component is to intermediate, inclined.
In above scheme, more than two filter elements include at least one coarse filtration component and at least one fine filtering portion
Part, the coarse filtration component are located at the top of the fine filtering component.
In above scheme, the coarse filtration component includes strainer, and the strainer includes at least one stainless steel filtering net.
In above scheme, the strainer further includes two layers of filter cloth, and two layers of filter cloth is set to the stainless steel filter
The lower section of net.
In above scheme, the fine filtering component includes at least two layers filter layer arranged up and down, and the filter layer is by filter
Material composition, and the filtrate of each filter layer is different.
In above scheme, the fine filtering component includes three layers of filter layer arranged up and down, the filtrate of three layers of filter layer
It is from top to bottom respectively anthracite, quartz sand and active carbon.
In above scheme, the sewage-treatment plant further includes lamp of killing virus to the ultraviolet light of filtered water exterminating bacterium,
The ultraviolet light antivirus lamp is mounted on the outside of the water outlet of bottom filter element.
The utility model provides a kind of sewage-treatment plant, and the sewage-treatment plant includes that top is provided with water inlet
Processing cabinet, the filter elements of more than two arrangements of sequence up and down are provided in the treatment box body and are collected filtered
The converging component of water, the converging component are arranged between two adjacent filter elements；Treatment sewage is by described
The water inlet injection of cabinet is managed, successively completion is handled after each filter element and converging component；As it can be seen that this is practical new
Confluence portion is arranged on the basis of configuring multiple filter elements in a kind of sewage-treatment plant of type between multiple filter elements
Part makes the not adherent flowing of water flow or does not flow down at stock, but water flow is allowed to redistribute, and substantially increases the filtering effect of water
Fruit, and structure is simple.
Other beneficial effects of the utility model will combine specific technical solution to further illustrate in a specific embodiment.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the utility model embodiment sewage-treatment plant；
Fig. 2 is the external orthographic projection schematic diagram of the utility model embodiment sewage-treatment plant.
Description of symbols:
11 processing 111 water inlets of cabinet
112 supporting beam, 12 coarse filtration component
13 converging component, 131 converging component supporting beam
14 fine filtering component, 141 anthracite filter layer
142 quartz sand filtration layer, 143 activated carbon filter layer
151,152 filter element brackets 1511 detain side
1521 handle, 1522 bottom plate
16 ultraviolet lights antivirus 17 cleaned water tank of lamp
171 handle, 172 liquidometer.
Specific embodiment
The utility model embodiment provides a kind of sewage-treatment plant, and the sewage-treatment plant includes that top is provided with
The processing cabinet of water inlet is provided with the filter element of about at least two sequence arrangements in the treatment box body and collects filtering
The converging component of water afterwards, the converging component are arranged between two adjacent filter elements；Treatment sewage is by institute
The water inlet injection of processing cabinet is stated, successively completion is handled after each filter element and converging component.The sewage
After water inlet injection, filter component filtering is first passed through, lower section filter element is then flow to after converging component collects.
In the utility model embodiment, the processing cabinet is rectangular box, it should be appreciated that the cabinet can also be it
The cabinet of his shape, such as multi-edge column-shaped or cylindrical box etc..The water inlet is provided with the top of the processing cabinet, and
Area is maximized, that is, removes the top necessary frame of surrounding, other is all water inlet, directly topples over sewage to facilitate, and most
Big degree touches filter element, it should be appreciated that the water inlet can also be arranged to other forms and be arranged in other positions
It sets, such as sewage can be poured onto the place by the way that inclined runner etc. is arranged by the smaller of the area of water inlet setting
Reason cabinet simultaneously touches filter element to the greatest extent, or the water inlet is provided with to the side wall on the processing cabinet top
It is first-class.
A kind of sewage-treatment plant of the utility model embodiment, on the basis of configuring multiple filter elements, multiple
Converging component is set between filter element, make the not adherent flowing of water flow or at stock is flowed down, but water flow is allowed to redistribute, greatly
The filter effect of water is improved greatly, and structure is simple.
And each filter element of the utility model embodiment up and down arrange so that sewage only under gravity from
It is upper successively to have saved electric energy in the case where hydraulic pressure is very low without electricity consumption by each filtering layer downwards.
In one embodiment, the sewage-treatment plant further include can extract out be mounted on the processing body side
Filter element bracket, the filter element is mounted on the filter element bracket, and can be taken out with the filter element bracket
The processing cabinet out.Specifically, the filter element bracket is the enclosing of upper/lower terminal opening, described to handle the interior of cabinet
The supporting beam for supporting the filter element bracket is provided on wall, the filter element bracket is slidably mounted on the support
Liang Shang, the filter element bracket is exposed on the lateral wall of the processing cabinet and is also provided with handle, described to extract out
Filter element bracket.The filter element is mounted in the enclosing of the filter element bracket.Preferably, being by the filter house
Part is firmly mounted on the filter element bracket, and the bottom of the filter element bracket is also provided with the bottom with hole
Plate, or inclined surface in an inverted cone is arranged in the inner wall of the filter element bracket, the filter element is firm by self weight
Ground is mounted on the filter element bracket.
It is understood that the filter element bracket can also be other shapes, and the plate of for example, intermediate hollow out, the filter house
Part is mounted on the upper surface of described filter element bracket；The filter element bracket can also be mounted on the processing cabinet by sliding rail
Inner wall.
In one embodiment, filter element bracket, the filter element branch are installed above the processing cabinet
Frame is the enclosing that upper/lower terminal is open, and the processing box house is protruded into the lower end of the filter element bracket, upper end passes through
The button side lid outwardly protruded is closed in the water inlet of the processing cabinet, and the filter element is mounted on the filter element bracket
Lower openings position, sewage from the upper end opening of the filter element bracket inject.User can be directly by the filter house
Part bracket is removed from the top of the processing cabinet to be cleared up or be replaced.
In the utility model, it is external that each filter element can be moved out for the treatment of box by the extraction of filter element bracket, makes
User can easily replace the filter element of failure without dismantling entire sewage-treatment plant, and then can continue
Sewage water filtration processing is carried out, is stagnated without long-time to replace filter element.At the same time, if user's discovery is filtered
It goes wrong in journey, it is whether problematic to observe each filter element can also easily to extract filter element out, or extract out
Whether filter element is problematic in treatment box body to observe, and greatly facilitates use.
In one embodiment, the converging component is the cavity that import, lower end setting outlet is arranged in upper end, the remittance
The cross-sectional area of the import of stream unit is greater than the cross-sectional area of the water outlet of the filter element of top, and is greater than described
The cross-sectional area of the outlet of converging component.In this way, the not adherent flowing of water flow can be made or at stock flowed down, but allow water flow weight
New distribution.
In one embodiment, the outer wall of the entrance of the converging component is bonded the inner wall of the processing cabinet；Institute
The inner wall of converging component is stated to intermediate, inclined, such as can be the shapes such as inverted terrace with edge, rotary table, is convenient for collecting water in this way
Stream.In order to which the converging component to be fixed on the inner wall of the processing cabinet, the sewage-treatment plant can also be in the remittance
Converging component supporting beam is set between the outer wall of stream unit and the inner wall of the processing cabinet, it should be appreciated that the converging component
It can also be fixed on the inner wall of the processing cabinet, such as the outer wall of the converging component can be also arranged to by other means
Vertical plane is fixedly connected by welding or being interference fitted with the inner wall of the processing cabinet.
Those skilled artisans will appreciate that when water to be flowed through to filter element from the top down, water be easy adherent flowing or at
Flow down to stock.This will lead to water in the filter efficiency reduction or filter effect decline of next filter element.It is converged by setting
Stream unit collects the water that previous filter element filters again, flows into next filter element middle position, so that filtering effect
Fruit is more preferable.
In one embodiment, more than two filter elements include at least one coarse filtration component and at least one is thin
Component is filtered, the coarse filtration component is located at the top of the fine filtering component.In this way, sewage first passes through coarse filtration component filtering removal greatly
Fine filtering component is flow to after diameter contaminants again to be filtered, major diameter impurity obstruction fine filtering component is can be avoided, improves filter effect.
In one embodiment, the coarse filtration component includes strainer, and the strainer includes at least one stainless steel filtering net.
Stainless steel filtering net has biggish intensity, is able to bear the gravity and impact force of the water of larger quality, not flexible, has and stablizes
Filter effect, meanwhile, good corrosion resistance, cleaning be easy, long service life.
In one embodiment, the strainer further includes two layers of filter cloth, two layers of filter cloth be set to it is described not
The lower section of rust steel strainer.The large granular impurity that two layers of filter cloth can further not filter out the stainless steel filtering net filters
Removal.In another embodiment, also filter pulp can be used to replace filter cloth.
In one embodiment, the fine filtering component includes at least two layers filter layer arranged up and down, the filter layer
Be made of filtrate, and the filtrate of each filter layer is different, with the little particle impurity in fine filtering sewage, hazardous compound and
Peculiar smell.Preferably, each filtrate is wrapped up respectively with strainer to replace and to handle, it should be appreciated that being also without using strainer package can
With.
In one embodiment, the fine filtering component includes three layers of filter layer arranged up and down, three layers of filter layer
Filtrate from top to bottom be respectively anthracite, quartz sand and active carbon.Anthracite has certain small suspended particulate of filtering
Energy and absorption property；Quartz sand has the performance of good filtering molecule, improves the transparency of water；Active carbon has very strong
Absorption property, the organic matter in water, metal ion, deodorization taste removal can be adsorbed.Water after coarse filtration by the filtering of anthracite filtering layer and
After absorption, then by quartzy sand filter blanket and the further fine filtering of active carbon filtering layer and absorption, make water by being filtered for multiple times and adsorbing,
Provide the filter effect of water.
In one embodiment, the sewage-treatment plant further includes killing to the ultraviolet light of filtered water exterminating bacterium
Malicious lamp, the ultraviolet light antivirus lamp are mounted on the outside of the water outlet of bottom filter element.Ultraviolet light antivirus lamps and lanterns have stronger
Exterminating bacterium performance can destroy the body cell of microorganism, by the water filtered through filter element various bacteriums, virus,
Helminth, algae and other pathogens are directly killed, so that treated, water can satisfy life and use.
In one embodiment, the sewage-treatment plant further include can extract out be mounted on the processing bottom of box
Cleaned water tank, the cleaned water tank be used for store filtered and killed virus processing after mistake drainage.The cleaned water tank it is upper
End offers opening, and the cross-sectional area of opening is greater than the cross-sectional area of the water outlet of bottom filter element.Preferably, institute
It states cleaned water tank and exposes and be also provided with liquidometer on the side wall of the processing cabinet, stored in the cleaned water tank with observing
Water.When water is full in the cleaned water tank, extracts the cleaned water tank out, drainage was discharged.It will be understood that the sewage treatment
The lower part of device can also use other modes stored filter water, such as using the lower space of the processing cabinet as storing
The container of drainage is provided with the water outlet of valve, described on the bottom of the processing cabinet or the side wall close to bottom
It handles and liquidometer is set on the side wall of lower box.When the drainage excessively of the processing cabinet bottom memory has been expired, valve is opened
Drainage was discharged.
Detailed technology scheme in relation to the utility model, is illustrated below in conjunction with the drawings and specific embodiments, it should
Understand, appended accompanying drawings and embodiments are only used for explaining the utility model, are not intended to limit the utility model.
For the detailed technology scheme for clearly describing the utility model embodiment, upper and lower equal directions described below are
The utility model embodiment be in use state when direction.
As shown in Figure 1, 2, the utility model embodiment provides a kind of sewage-treatment plant, the sewage-treatment plant packet
The processing cabinet 11 for including top setting water inlet 111, handles and is provided with coarse filtration component 12, fine filtering component 14 in cabinet 11 and collects
The converging component 13 of filtered water.Coarse filtration component 12 is located at the top of fine filtering component 14, and converging component 13 is arranged in coarse filtration portion
Between part 12 and fine filtering component 14.After treatment sewage is injected by water inlet 111, first filtered through coarse filtration component 12, then through converging
Stream unit 13 flow to lower section fine filtering component 14 after collecting.
In the present embodiment, processing cabinet 11 is the rectangular box of upper opening.
In the present embodiment, coarse filtration component 12 include aperture be 0.3~0.5mm stainless steel filtering net and two layers of filter cloth, two layers
Filter cloth is set to the lower section of stainless steel filtering net；Impurity of the coarse filtration component 12 for major diameter in filter sewage.The filter cloth
It can be made of polypropylene (PP, Polypropylene) material.
In the present embodiment, fine filtering component 14 includes anthracite filter layer 141, the quartz sand filtration successively arranged from top to bottom
Layer 142 and activated carbon filter layer 143；Anthracite filter layer 141 is made of the ANTHRACITE FILTER MEDIA that average diameter is 1.0~2.0mm,
It is made of with a thickness of 3~5mm, quartz sand filtration layer 142 quartz sand filter media that average diameter is 1.0~2.0mm, with a thickness of
3~5mm, activated carbon filter layer 143 is made of the carbon leaching material that average diameter is 1~3mm, with a thickness of 3~5mm；Fine filtering
Component 14 carries out fine filtering to the drainage of crossing after coarse filtration, removes other impurities or smell etc. in water removal.The filtering of fine filtering component 14 is former
Reason, those skilled in the art will readily appreciate that details are not described herein.
In the present embodiment, converging component 13 be upper end be arranged import, lower end setting outlet cavity, converging component 13 into
The cross-sectional area of mouth is greater than the cross-sectional area of the water outlet of the coarse filtration component 12 of top, and is greater than the outlet of converging component 13
Cross-sectional area.The outer wall of the entrance of converging component 13 is bonded the surrounding inner wall of the processing cabinet；Converging component 13
Sidewall slope, making the inner and outer wall of converging component 13 is in inverted prismatic table shape.For converging component 13 is fixed on treatment box
On the inner wall of body 11, the sewage-treatment plant of the present embodiment is also between the outer wall of converging component 13 and the inner wall of processing cabinet 11
Converging component supporting beam 131 is set.
Those skilled artisans will appreciate that when water flows through filter element from the top down, due to the spy of capillary phenomenon and water
Property, water is easy adherent flowing or at stock flows down.This will lead to water next filter element filter efficiency reduce or
Filter effect decline.Converging component 13 can stop the adherent flowing of water, and water is collected, and flow into after allowing water flow to redistribute next
A filter element, so that filter effect is more preferable.
In the present embodiment, the sewage-treatment plant further includes two filter element brackets 151,152.Filter element bracket
151 are located at the top of converging component 13, and filter element bracket 152 is located at the lower section of converging component 13.
In the present embodiment, filter element bracket 151 is inverted prismatic table shape, and the upper end of filter element bracket 151 is to extension
Stretching has button side 1511, and the lid of filter element bracket 151 is closed when handling the water inlet of cabinet 11, and button side 1511 is stuck in processing cabinet 11
Water inlet edge side wall on.Coarse filtration component 12 is installed in filter element bracket 151 and is located at filter element bracket 151
Lower openings position, the cross-sectional area of coarse filtration component 12 are less than the cross-sectional area of the upper end opening of filter element bracket 151,
And it is greater than the cross-sectional area of the lower ending opening of filter element bracket 151, the EDGE CONTACT filter element bracket of coarse filtration component 12
151 surrounding inner wall flows out so that sewage passes through after coarse filtration component 12 filters.In use, user can be by filter element branch
Frame 151 is removed from the top of processing cabinet 11, with easy cleaning coarse filtration component 12.
In the present embodiment, filter element bracket 152 is rectangular shape, and sidewalls vertical fits in the interior of processing cabinet 11
Wall.Handling fixed setting on the two sides inner wall of cabinet 11, there are two supporting beam 112, the horizontal length of two supporting beams 112 is slightly longer
In the sidewall thickness of filter element bracket 152.Filter element bracket 152 is mounted in two supporting beams 112 and can be in two branch
It is slided on support beam 112.Filter element bracket 152, which exposes, is provided with handle 1521 on the lateral wall for handling cabinet 11, is made with facilitating
User extracts filter element bracket 152 out.Fine filtering component 14 is mounted in filter element bracket 152 and is located at filter element bracket
152 lower part, the surrounding inner wall of the EDGE CONTACT filter element bracket 152 of fine filtering component 14, so that sewage passes through fine filtering portion
Part 14 flows out after filtering.Preferably, for fine filtering component 14 to be firmly mounted in filter element bracket 152, filter element branch
The bottom plate 1522 with hole is additionally provided at the lower ending opening of frame 152.In use, user can extract filter element bracket out
152, to be convenient for changing the filtering layer of failure.
In the present embodiment, it is additionally provided with to the ultraviolet light antivirus lamp 16 for crossing drainage exterminating bacterium.Ultraviolet light antivirus lamp 16 is pacified
Lower section on the side wall of processing cabinet 11 and positioned at filter element bracket 152.Preferably, the power of ultraviolet light antivirus lamp 16
For 20~25W.
In the present embodiment, the sewage-treatment plant further includes the purified water for being mounted on processing 11 bottom of cabinet that can be extracted out
Case 17 crosses drainage after being filtered and being killed virus processing for storing.Ultraviolet light antivirus lamp 16 is located at the top of cleaned water tank 17.
Cleaned water tank 17 is the cabinet of upper end opening, and the cross-sectional area of opening is greater than the cross section face of the water outlet of fine filtering component 14
Product.Preferably, being provided with handle on the side wall that cleaned water tank 17 exposes processing cabinet 11 for convenience of extraction cleaned water tank 17
171；For convenience of the water stored in observation cleaned water tank 17, also set up on the side wall that cleaned water tank 17 exposes processing cabinet 11
There is liquidometer 172.When water is full in cleaned water tank 17, user extracts cleaned water tank 17 out, and the drainage of crossing of storage is poured out.
To enhance the ability of drainage of collecting, in the present embodiment, filter element bracket 152 and ultraviolet light antivirus lamp 16 it
Between be also provided with converging component 13, the converging component 13 the filtered water of fine filtering component 14 is collected after from the water outlet stream of lower end
To cleaned water tank 17, the waste of water is avoided.Preferably, ultraviolet light antivirus lamp 16 is located at the water outlet of 13 lower end of converging component
Outer ledge.
The sewage-treatment plant of the utility model embodiment has carried out following experiment:
Water before processing is sanitary sewage, and it is as follows to be chemically examined its indices: dichromate value (CODcr): 350~
500mg/L, five-day BOD (BOD5): 150~200mg/L, solid suspension concentration (SS): 250~300mg/L, always
Nitrogen content (TN): 25~80mg/L, total phosphorus content (TP): 8~15mg/L.Treated, and that water chemically examined its indices is as follows:
CODcr:18mg/L, BOD5:12mg/L, SS:15mg/L, TN:10mg/L, TP:7mg/L.
As can be seen from the above data, the sewage-treatment plant of the utility model can be effectively reduced in sanitary sewage
Various biochemical indicators, greatly improve water quality, and treatment effect is good.And the sewage-treatment plant structure letter of the utility model
Single, easy to maintain, also as the arrangement up and down of filter element, the transfer of the water between each step relies solely on gravity
It completes, in the case where hydraulic pressure is very low without electricity consumption, has saved the energy.
The above, the only preferred embodiment of the utility model illustrate, and are not intended to limit the utility model
Protection scope, other any equivalent transformations all should belong to the protection range of the utility model.
Claims (10)
1. a kind of sewage-treatment plant, which is characterized in that the sewage-treatment plant includes the processing that top is provided with water inlet
Cabinet is provided with the filter element of about at least two sequence arrangements in the treatment box body and collects the confluence of filtered water
Component, the converging component are arranged between two adjacent filter elements；
Treatment sewage is injected by the water inlet of the processing cabinet, successively after each filter element and converging component
Completion processing.
2. sewage-treatment plant according to claim 1, which is characterized in that the sewage-treatment plant further includes that can extract out
The filter element bracket for being mounted on the processing body side, the filter element is mounted on the filter element bracket,
And the processing cabinet can be extracted out with the filter element bracket.
3. sewage-treatment plant according to claim 1, which is characterized in that the converging component be upper end be arranged import,
The cavity of lower end setting outlet, the cross-sectional area of the import of the converging component are greater than the water outlet of the filter element of top
The cross-sectional area of mouth, and it is greater than the cross-sectional area of the outlet of the converging component.
4. sewage-treatment plant according to claim 3, which is characterized in that the outer wall of the entrance of the converging component pastes
The inner wall of the processing cabinet is closed, the inner wall of the converging component is to intermediate, inclined.
5. sewage-treatment plant according to claim 2, which is characterized in that more than two filter elements include at least
One coarse filtration component and at least one fine filtering component, the coarse filtration component are located at the top of the fine filtering component.
6. sewage-treatment plant according to claim 5, which is characterized in that the coarse filtration component includes strainer, the filter
Net includes at least one stainless steel filtering net.
7. sewage-treatment plant according to claim 6, which is characterized in that the strainer further includes two layers of filter cloth, institute
State the lower section that two layers of filter cloth is set to the stainless steel filtering net.
8. sewage-treatment plant according to claim 5, which is characterized in that the fine filtering component includes at least about two layers
The filter layer of arrangement, the filter layer are made of filtrate, and the filtrate of each filter layer is different.
9. sewage-treatment plant according to claim 8, which is characterized in that the fine filtering component includes about three layers arrangements
Filter layer, the filtrate of three layers of filter layer from top to bottom be respectively anthracite, quartz sand and active carbon.
10. sewage-treatment plant according to claim 1, which is characterized in that the sewage-treatment plant further includes to mistake
The ultraviolet light antivirus lamp of water exterminating bacterium after filter, the ultraviolet light antivirus lamp are mounted on outside the water outlet of bottom filter element
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821692048.3U CN208995300U (en) | 2018-10-18 | 2018-10-18 | A kind of sewage-treatment plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821692048.3U CN208995300U (en) | 2018-10-18 | 2018-10-18 | A kind of sewage-treatment plant |
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| CN208995300U true CN208995300U (en) | 2019-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231611A (en) * | 2018-10-18 | 2019-01-18 | 中信戴卡股份有限公司 | A kind of sewage-treatment plant |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231611A (en) * | 2018-10-18 | 2019-01-18 | 中信戴卡股份有限公司 | A kind of sewage-treatment plant |
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