CN109876536A - Filter - Google Patents
Filter Download PDFInfo
- Publication number
- CN109876536A CN109876536A CN201910239447.7A CN201910239447A CN109876536A CN 109876536 A CN109876536 A CN 109876536A CN 201910239447 A CN201910239447 A CN 201910239447A CN 109876536 A CN109876536 A CN 109876536A
- Authority
- CN
- China
- Prior art keywords
- water
- water treatment
- treatment case
- filter
- sink
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Physical Water Treatments (AREA)
Abstract
The present invention provides a kind of filters, including the first water treatment case (100), the second water treatment case (200), filter mechanism component, demister；The filter mechanism component is mainly made of one or more levels filter mechanism, one or more levels described filter mechanism is mounted on the outer wall of the first water treatment case (100) shell；Second water treatment case (200) is connected to the first water treatment case (100), and the demister is mounted on the front end process of the first water treatment case (100) or rear end process or demister are mounted on the front end process or rear end process of the second water treatment case (200).Filter effect of the invention is preferable, and can not only remove particulate matter in water can also remove bubbly water foam, can be suitable for automotive field, realizes that water recycles on-line cleaning.
Description
Technical field
The present invention relates to filter plant fields, more particularly to a kind of filter.
Background technique
For being with the shortcoming of water in traditional carwash field: waste water cannot recycle, and cause the waste of water resource,
And there is the problems such as lacking supervision in sewage treatment link.It is existing using filtering by the way of wastewater from car washer is filtered after use,
It but is only that the foam being filtered to wastewater from car washer can not remove in wastewater from car washer and dish washing liquid etc. can generate foam
Substance influences secondary use.
The patent document of Publication No. CN 105879488A discloses a kind of wastewater from car washer recursive filter system of subject,
Wastewater from car washer recursive filter main body has a underground conservation pool, and the more recycling of car washing water as far as possible are come, rain can also be recycled
Water is used as level-one settling tank.Pond will have a depth, and water is at 1.2 meters or so.30 centimeters or so in bottom of pond are installed one
Pumping drainage uses, and pumps arranged water, is the water in pond between 30 centimeters -110 centimeters, installs automatic Starting.Water reaches
Draining pump starts automatically and draws water at 1.2 meters, when water is extracted into 50 centimeters of the depth of water, water pump autostop.The water of middle section is sent to
Secondary filtration pond above roof or bracket can be exactly a bucket.Water is flowed to the filter of lower in this barrel by eminence,
Water after the filter, flows to spare carwash in water-butt.The method is only capable of filtering the particulate matter in wastewater from car washer and can not
Remove foam material.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of filters.
A kind of filter provided according to the present invention, including the first water treatment case, filter mechanism component, demister；It is described
Filter mechanism component is mainly made of one or more levels filter mechanism, one or more levels described filter mechanism is mounted on described first
The outer wall of water treatment case shell；The demister is mounted on the front end process or rear end process of the first water treatment case；
First water treatment case includes the first water inlet, the first water outlet；
The filter mechanism component that first water outlet of first water treatment case is connected to the filter mechanism component enters water
Mouthful；
First water treatment case inner space constitutes the first water treatment space, is provided with the first water level in the first water treatment space
Sensor is provided with the first filter structure in the first water treatment space, and the first water inlet is connected to first through the first filter structure
Water outlet；First filter structure includes rotating cylinder, and rotating cylinder is equipped with driving motor, and the rotating cylinder is collectively formed with driving motor
Centrifugal filtration structure；Space where driving motor passes through movable sealing structure with rotating cylinder between the spaces and connect；Driving motor position
In the first water treatment space, alternatively, rotating cylinder filter device also includes motor housing, driving motor is mounted in motor housing.
Preferably, the demister includes sink, motor, screw rod, defoaming plate, bubbler, and the screw rod is mounted on water
On slot, one end of screw rod connects motor, and the defoaming plate is applied on screw rod and is located inside sink, and defoaming plate can be in water
It is slided inside slot along screw rod, foam hole, the bubbler setting is provided with out in the sink both ends of the surface parallel with defoaming plate
In bottom of gullet.
Preferably, it is provided with screw rod connector on the defoaming plate, and screw rod, screw rod and silk are run through by screw rod connector
Rod connector is converted into sliding of the defoaming plate on screw rod for motor.
Preferably, the demister further includes smooth shaft, and the smooth shaft is parallel to screw rod and is mounted on sink, the light
Smooth rod connector of the slide bar on defoaming plate, defoaming plate can be slided along smooth shaft.
Preferably, the top of the sink both ends of the surface parallel with defoaming plate is arranged in the foam hole out；The defoaming plate it is upper
End is higher than the upper end in foam hole, and lower than the lower end for going out foam hole, defoaming plate can will go out the covering of foam hole for the lower end of defoaming plate；It is described to remove
Foam plate can slide between sink both ends of the surface；The motor is mounted on the outside of an end face of sink；The bottom of gullet
It is provided with apopore.
Preferably, the demister includes water tank, bubbler, and water inlet is provided on the water tank, water outlet, goes out foam
Hole, the bubbler are mounted on the bottom of water tank, and the side upper end of water tank is arranged in foam hole out.
It preferably, include the second water treatment case；
Second water treatment case includes the second water inlet and the second water outlet, and the first water outlet connects the second water inlet,
Second water inlet is connected to the second water outlet；
Second water treatment case inner space forms the second water treatment space；
Second water outlet forms clear water water outlet；Second water treatment case also includes clear water water supplement port；Second water treatment space
In be provided with the second water level sensor.
Preferably, fine filter is provided in the second water treatment space, the second water inlet is connected to the second water outlet through fine filter
Mouthful；
Coarse filter is additionally provided in first water treatment space, coarse filter is located at the top of rotating cylinder.
Preferably, also include control cabinet, be provided with frequency converter and control panel in control cabinet；Heat dissipation is provided on frequency converter
Device；
Aperture is provided between first water treatment case and control cabinet；Radiator reaches the first water treatment space through aperture；
The waterproof seal being arranged in aperture is by the fluid isolation in the first water treatment case except control cabinet；
The radiator is located at the side of rotating cylinder radially；Clear water water supplement port is connected with water compensating valve and small pump；Institute
State front end process or rear end process that demister is mounted on the second water treatment case.
Preferably, the demister is integrated with the second water treatment case, and second water treatment case bottom is provided with
Bubbler, second water tank side upper end are provided with out foam hole.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, filter effect of the invention is preferable, can be suitable for automotive field, realizes that water recycles on-line cleaning.
2, centrifugal filtration structure can play the effect of an object four in the present invention, it may be assumed that waste water filtering, waste water blistering, rotating cylinder
The water that air-cooled, the rotating cylinder for the radiator that own rotation plays are thrown away realizes the water cooling to radiator.
3, the first water treatment case of the invention is located at the top of the second water treatment case, enables recirculated water natural by gravity
Second water treatment case is flowed by the first water treatment case, saves the energy.
4, first water treatment case of the invention, the second water treatment case, be provided with water level sensor, water level sensor passes through letter
Number line connects control panel, so that hardware platform has been built in the Detection & Controling that the present invention is water level, facilitates subsequent for control
The realization and improvement of algorithm, since the present invention only improves shape design, for control algolithm, it will not go into details.
5, the present invention can not only effectively eliminate floating on water foam, will also can generate foam in water by bubbler
Substance become foam after be removed, except also eliminating particulate matter in water while defoaming, will be steeped using physical method
The recovery processing of foam water, energy conservation and environmental protection.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the first water treatment case and the second water treatment case of the invention.
Fig. 2 is the schematic top plan view of demister of the present invention.
Fig. 3 is the schematic side view of demister of the present invention.
Fig. 4 is the cross-sectional view of the schematic front view of demister of the present invention.
Fig. 5 is the structural schematic diagram of another demister of the present invention.
It is shown in figure:
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
In the description of the present application, it is to be understood that term " on ", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, description the application is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
A kind of filter provided according to the present invention, as shown in Figure 1, including the first water treatment case 100, filter mechanism group
Part, demister；The filter mechanism component is mainly made of one or more levels filter mechanism, one or more levels described filter mechanism
It is mounted on the outer wall of 100 shell of the first water treatment case；The demister is mounted on the front end process of the first water treatment case 100
Or rear end process；First water treatment case 100 includes the first water inlet 102, the first water outlet 103；First water treatment case 100
The first water outlet 103 be connected to the filter mechanism component water inlet of the filter mechanism component；Inside first water treatment case 100
Space constitutes the first water treatment space, is provided with the first water level sensor 104, the first water treatment space in the first water treatment space
In be provided with the first filter structure, the first water inlet 102 is connected to the first water outlet 103 through the first filter structure；Described first
Filter structure includes rotating cylinder 901, and rotating cylinder 901 is equipped with driving motor 902, and the rotating cylinder 901 is collectively formed with driving motor 902
Centrifugal filtration structure；902 place space of driving motor passes through movable sealing structure with rotating cylinder 901 between the spaces and connect；Driving
Motor 902 is located in the first water treatment space, alternatively, rotating cylinder filter device also includes motor housing 900, driving motor 902 is installed
In motor housing 900.Under the drive of driving motor 902, high speed rotation occurs for rotating cylinder 901, and water is from opening on 901 wall surface of rotating cylinder
It is thrown away in hole, realizes the separation of water and granule foreign.Filtering material is housed in rotating cylinder 901.
As in Figure 2-4, the demister includes sink 1, motor 2, screw rod 3, defoaming plate 5, bubbler 6, the silk
Bar 3 is mounted on sink 2, and one end of screw rod 3 connects motor 2, and the defoaming plate 5 is applied on screw rod 3 and is located in sink 2
Portion, defoaming plate 5 can be slided along screw rod 3 inside sink 2, be provided in the sink 2 both ends of the surface parallel with defoaming plate 5
Foam hole 7 out, the bubbler 6 are arranged in 2 bottom of sink.It is provided with screw rod connector on the defoaming plate 5, and is connected by screw rod
It connects device and converts sliding of the defoaming plate 5 on screw rod 3 for motor 2 through screw rod 3, screw rod 3 and screw rod connector.Institute
Stating demister further includes smooth shaft 4, and the smooth shaft 4 is parallel to screw rod 3 and is mounted on sink 2, and the smooth shaft 4 runs through foam removal
Smooth rod connector on plate 5, defoaming plate 5 can be slided along smooth shaft 4.The foam hole 7 out is arranged in sink 2 and defoaming plate
The top of 5 parallel both ends of the surface；The upper end of the defoaming plate 5 is higher than the upper end in foam hole 7, and the lower end of defoaming plate 5 is lower than foam out
The lower end in hole 7, defoaming plate 5 can will go out foam hole 7 and cover；The defoaming plate 5 can slide between 2 both ends of the surface of sink.It is described
Motor 2 is mounted on the outside of an end face of sink 2；2 bottom of sink is provided with apopore.
As shown in figure 5, the demister includes water tank 8, bubbler 6, water inlet is provided on the water tank 8, is gone out
The mouth of a river goes out foam hole 7, and the bubbler 6 is mounted on the bottom of water tank 8, and the side upper end of water tank 8 is arranged in foam hole 7 out.Bubbler
6 foams generated bring out the removing of foam hole 7 from 8 side of water tank.
The present invention also includes the second water treatment case 200, it is preferable that the first water treatment case 100 is located at the second water treatment case 200
Top, second water treatment case 200 include the second water inlet 202 and the second water outlet 203, the first water outlet 103 connect
Second water inlet 202, the second water inlet 202 are connected to the second water outlet 203；Second water treatment case, the 200 inner space shape
At the second water treatment space；Second water outlet 203 forms clear water water outlet；Second water treatment case 200 also includes clear water water supplement port；
The second water level sensor is provided in second water treatment space.Fine filter 201, the second water inlet are provided in second water treatment space
Mouth 202 is connected to the second water outlet 203 through fine filter 201；Coarse filter 101, coarse filter are additionally provided in first water treatment space
101 are located at the top of rotating cylinder 901.Many use occasions have higher requirements to the water cleannes of processed waste water, such as height
The cleaning of shelves vehicle, prevents fine particle to the erosive wear of equipment, therefore, fine filter 201 is provided in the second water treatment space,
Second water inlet 202 is connected to the second water outlet 203 through fine filter 201；Coarse filter is additionally provided in first water treatment space
101, coarse filter 101 is located at the top of rotating cylinder 901.Preferably, setting coarse filter 101 or fine filter only can also be set
201。
Also include control cabinet 400, is provided with frequency converter 410 and control panel 401 in control cabinet 400；It is arranged on frequency converter 410
There is radiator 411；Aperture is provided between first water treatment case 100 and control cabinet 400；Radiator 411 reaches the through aperture
One water treatment space；The waterproof seal being arranged in aperture by the fluid isolation in the first water treatment case 100 in control cabinet 400 it
Outside.The radiator 411 is located at the side of rotating cylinder 901 radially, set-up mode in this way, produce three kinds it is beneficial
Effect: first is that realizing the filtering to waste water；Second is that the rotation of rotating cylinder 901 itself causes the flowing of air, realize to radiator
411 it is air-cooled；Third is that the water thrown away in rotating cylinder 901 is directly sprayed on radiator 411, play the role of water cooling；Clear water water supplement port connects
It is connected to water compensating valve and small pump.
The demister is mounted on the front end process or rear end process of the second water treatment case 200, that is to say, that demister peace
Dress it is following any one or appoint multiple positions:
Before 100 first water inlet 102 of-the first water treatment case；
After 100 first water outlet 103 of-the first water treatment case, before 200 second water inlet 202 of the second water treatment case；
After 200 second water outlet 203 of-the second water treatment case.
Alternatively, the demister is integrated with the second water treatment case 200,200 bottom of the second water treatment case is set
It is equipped with bubbler 6, the 200 side upper end of the second water tank is provided with out foam hole 7.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. a kind of filter, which is characterized in that including the first water treatment case (100), filter mechanism component, demister；The mistake
Filter mechanism assembly is mainly made of one or more levels filter mechanism, one or more levels described filter mechanism is mounted on first water
The outer wall for the treatment of box (100) shell；The demister is mounted on the front end process or rear end process of the first water treatment case (100)；
First water treatment case (100) includes the first water inlet (102), the first water outlet (103)；
The first water outlet (103) of first water treatment case (100) is connected to the filter mechanism group of the filter mechanism component
Part water inlet；
First water treatment case (100) inner space constitutes the first water treatment space, is provided with the first water in the first water treatment space
Level sensor (104), the first filter structure is provided in the first water treatment space, and the first water inlet (102) is tied through the first filtering
Structure is connected to the first water outlet (103)；First filter structure includes rotating cylinder (901), and rotating cylinder (901) is equipped with driving motor
(902), the rotating cylinder (901) and driving motor (902) collectively form centrifugal filtration structure；Space where driving motor (902)
Pass through movable sealing structure between the spaces with rotating cylinder (901) to connect；Driving motor (902) is located in the first water treatment space,
Alternatively, rotating cylinder filter device also includes motor housing (900), driving motor (902) is mounted in motor housing (900).
2. filter according to claim 1, which is characterized in that the demister includes sink (1), motor (2), silk
Bar (3), defoaming plate (5), bubbler (6), the screw rod (3) are mounted on sink (2), and one end of screw rod (3) connects motor
(2), the defoaming plate (5) is applied on screw rod (3) and is located at sink (2) inside, and defoaming plate (5) can be internal in sink (2)
It is slided along screw rod (3), is provided with out foam hole (7), the blistering in the sink (2) both ends of the surface parallel with defoaming plate (5)
Device (6) is arranged in sink (2) bottom.
3. filter according to claim 2, which is characterized in that it is provided with screw rod connector on the defoaming plate (5), and
Run through screw rod (3) by screw rod connector, the rotation of motor (2) is converted defoaming plate (5) by screw rod (3) and screw rod connector
Sliding on screw rod (3).
4. filter according to claim 2, which is characterized in that the demister further includes smooth shaft (4), described smooth
Bar (4) is parallel to screw rod (3) and is mounted on sink (2), smooth rod connector of the smooth shaft (4) on defoaming plate (5),
Defoaming plate (5) can be slided along smooth shaft (4).
5. filter according to claim 2, which is characterized in that described foam hole (7) out are arranged in sink (2) and defoaming plate
(5) top of parallel both ends of the surface；The upper end of the defoaming plate (5) is higher than the upper end of foam hole (7), the lower end of defoaming plate (5)
Lower than the lower end of foam hole (7) out, defoaming plate (5) can will go out foam hole (7) covering；The defoaming plate (5) can be in sink (2) two
It is slided between end face；The motor (2) is mounted on the outside of an end face of sink (2)；Sink (2) bottom is provided with out
Water hole.
6. filter according to claim 1, which is characterized in that the demister includes water tank (8), bubbler (6), institute
It states and is provided with water inlet on water tank (8), water outlet, goes out foam hole (7), the bubbler (6) is mounted on the bottom of water tank (8), out
Foam hole (7) is arranged in the side upper end of water tank (8).
7. filter according to claim 1, which is characterized in that include the second water treatment case (200)；
Second water treatment case (200) includes the second water inlet (202) and the second water outlet (203), the first water outlet (103)
It connects the second water inlet (202), the second water inlet (202) is connected to the second water outlet (203)；
Second water treatment case (200) inner space forms the second water treatment space；
Second water outlet (203) forms clear water water outlet；Second water treatment case (200) also includes clear water water supplement port；At second water
Reason is provided with the second water level sensor in space.
8. filter according to claim 7, which is characterized in that fine filter (201) are provided in the second water treatment space,
Second water inlet (202) is connected to the second water outlet (203) through fine filter (201)；
It is additionally provided in first water treatment space coarse filter (101), coarse filter (101) is located at the top of rotating cylinder (901).
9. filter according to claim 7, which is characterized in that also include control cabinet (400) that control cabinet is set in (400)
It is equipped with frequency converter (410) and control panel (401)；Radiator (411) are provided on frequency converter (410)；
Aperture is provided between first water treatment case (100) and control cabinet (400)；Radiator (411) reaches first through aperture
Water treatment space；
The waterproof seal being arranged in aperture is by the fluid isolation in the first water treatment case (100) except control cabinet (400)；
The radiator (411) is located at the side of rotating cylinder (901) radially；Clear water water supplement port is connected with water compensating valve and moisturizing
Pump；The demister is mounted on the front end process or rear end process of the second water treatment case (200).
10. filter according to claim 7, which is characterized in that the demister and the second water treatment case (200) are integrated
Together, the second water treatment case (200) bottom is provided with bubbler (6), the second water tank (200) side upper end setting
There are foam hole (7) out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910239447.7A CN109876536A (en) | 2019-03-27 | 2019-03-27 | Filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910239447.7A CN109876536A (en) | 2019-03-27 | 2019-03-27 | Filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109876536A true CN109876536A (en) | 2019-06-14 |
Family
ID=66934721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910239447.7A Pending CN109876536A (en) | 2019-03-27 | 2019-03-27 | Filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109876536A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100065414A1 (en) * | 2006-06-26 | 2010-03-18 | Willem Luloff Rautenbach | Water heating and distillation arrangement |
| KR20130125989A (en) * | 2012-05-10 | 2013-11-20 | 주식회사 이엠퍼스트 | Bubble trap device |
| CN205995139U (en) * | 2016-08-23 | 2017-03-08 | 江苏地一环保科技有限公司 | A kind of defecator of spent acid water process |
| CN206881289U (en) * | 2017-06-15 | 2018-01-16 | 范斌 | A kind of block-proof type coal chemical industry filter |
| CN208087414U (en) * | 2018-01-29 | 2018-11-13 | 中国核工业华兴建设有限公司 | A kind of small towns sewage collecting treatment and purification device |
| CN210229354U (en) * | 2019-03-27 | 2020-04-03 | 上海神源能源科技有限公司 | Filter |
-
2019
- 2019-03-27 CN CN201910239447.7A patent/CN109876536A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100065414A1 (en) * | 2006-06-26 | 2010-03-18 | Willem Luloff Rautenbach | Water heating and distillation arrangement |
| KR20130125989A (en) * | 2012-05-10 | 2013-11-20 | 주식회사 이엠퍼스트 | Bubble trap device |
| CN205995139U (en) * | 2016-08-23 | 2017-03-08 | 江苏地一环保科技有限公司 | A kind of defecator of spent acid water process |
| CN206881289U (en) * | 2017-06-15 | 2018-01-16 | 范斌 | A kind of block-proof type coal chemical industry filter |
| CN208087414U (en) * | 2018-01-29 | 2018-11-13 | 中国核工业华兴建设有限公司 | A kind of small towns sewage collecting treatment and purification device |
| CN210229354U (en) * | 2019-03-27 | 2020-04-03 | 上海神源能源科技有限公司 | Filter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104746638B (en) | Powerful sludge slag-liquid separation car | |
| CN105597377B (en) | A kind of three-phase separating device under the conditions of with pressure | |
| CN105330062B (en) | A kind of modularization is interior to recycle gas-flotation filter device | |
| CN106045205A (en) | Industrial wastewater treatment device | |
| CN208081940U (en) | A kind of use in waste water treatment hydrocyclone | |
| CN204018032U (en) | A kind of centrifuge structure of extraction equipment | |
| CN109876536A (en) | Filter | |
| CN210229354U (en) | Filter | |
| CN208087349U (en) | A kind of waste water sealing and circulating processing unit | |
| CN206886842U (en) | A kind of water-oil separating chemicals dosing plant | |
| CN108905320A (en) | A kind of novel active sand filter | |
| CN106630281A (en) | Silk reeling wastewater treatment device | |
| CN208678729U (en) | A kind of system of efficient process tetrachloropropylene inorganization gas | |
| CN205228211U (en) | Take coolant tank of overflow launder | |
| CN202924816U (en) | Water drainage and slag removal integrated device | |
| CN207829048U (en) | A kind of hydraulic engineering cleaning vehicle | |
| CN209204760U (en) | A kind of novel active sand filter | |
| CN209423131U (en) | A kind of oily-water seperating equipment | |
| CN203639375U (en) | Starch milk purifier | |
| CN208824002U (en) | A kind of movable type girt-water separation integrated vehicle | |
| CN206198775U (en) | A kind of printing-ink recovery system | |
| CN209354238U (en) | A kind of expansion water tank for automobile with filter structure | |
| CN207537188U (en) | A kind of environment-friendly high-efficiency oil water separator | |
| CN207435215U (en) | A kind of electrofloatation sewage treatment tower and its sewage disposal system | |
| CN205965145U (en) | Sewage sludge handles residue liquid separated device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |