CN207126196U - A kind of biogas slurry filter of automatic desilting mud - Google Patents
A kind of biogas slurry filter of automatic desilting mud Download PDFInfo
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- CN207126196U CN207126196U CN201720701174.XU CN201720701174U CN207126196U CN 207126196 U CN207126196 U CN 207126196U CN 201720701174 U CN201720701174 U CN 201720701174U CN 207126196 U CN207126196 U CN 207126196U
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- mud
- hydraulic cylinder
- lautertuns
- filter
- biogas slurry
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Abstract
It the utility model is related to a kind of biogas slurry filter of automatic desilting mud, including the lautertuns irrigated pond and be positioned above, filter is provided with the irrigation pond, filter screen is provided with the lautertuns, the periphery of the filter screen is connected with the madial wall of the lautertuns, the bottom of the lautertuns is provided with discharging opening, the discharging opening is connected by discharge pipe with the filter, the mud cleaning agency for being used for that mud thereon to be swept to opposite side is provided with the upper side of the filter screen, opposite side, which is provided with, to be used to sweeping the mud cleaning agency into the mud cleaning mechanism outside silt displacement to the lautertuns come.The beneficial effects of the utility model are：Quickly and effectively the impurity such as the mud on filter screen can be cleaned out, so that the continual work of filter.
Description
Technical field
It the utility model is related to a kind of agriculture apparatus, more particularly to a kind of biogas slurry filter of automatic desilting mud.
Background technology
Crops and plant need to irrigate soil according to its growing state.Traditional irrigation technique and device is main
Have：The ripe irrigation technique such as flood irrigation, pouring, sprinkling irrigation, drip irrigation, infiltrating irrigation.Especially for drip irrigation technique, compared and adopted due to drip irrigation
With other irrigation methods, substantial amounts of water resource can be saved, so being liked by current most users.
But either drip irrigation technique, or other irrigation techniques, in order to ensure the good growth of crops and plant, need
Regularly plant and crops are applied fertilizer, and in fertilising, the characteristic of various crops and plant need to be directed to, selection is corresponding
Fertilizer.
Biogas slurry, more extensive fertilizer is used as current, its internal component is mostly to send out after cow dung, rabbit excrement, chicken manure mixing
The product that ferment forms.It is tasteless after being fermented due to this kind of fertilizer, and the fertilizer efficiency after fermenting be 10 times of general chemistry synthetic fertilizer with
On., can't be as chemical fertilizer also, its water quality characteristic is easily absorbed by plants, excessively also will not burn seedlings even if using.
So such a fertilizer is the preferred fertilizer as green ecological plantation.
But at present, by biogas slurry be used in drip irrigation it is technical when, due to drip irrigation pipe water dropper when being applied fertilizer it is easily stifled
Plug, so, it is necessary to be filtered to it before biogas slurry enters drip irrigation pipe.And current filter type is usually to irrigate pond
Carried out in filter, but due to the limitation on current filter capability, so at all can not be thoroughly by the impurity in biogas slurry
Filtered out, so in drip irrigation, still easily cause the clogging of drip irrigation pipe.
In the prior art, have the blocking for preventing drip irrigation pipe and the screen pack installed additional, still, when screen pack is silted the impurity such as mud
During blocking, it is necessary to using manually going mud to be dug out or changed screen pack, waste time and energy.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of biogas slurry filter of automatic desilting mud, can be rapid
Effectively the impurity such as the mud on filter screen are cleaned out, so that the continual work of filter.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of biogas slurry filtering dress of automatic desilting mud
Put, including irrigate pond and the lautertuns being positioned above, be provided with filter in the irrigation pond, filter is provided with the lautertuns
Net, the periphery of the filter screen are connected with the madial wall of the lautertuns, and the bottom of the lautertuns is provided with discharging opening, the discharging
Mouth is connected by discharge pipe with the filter, is provided with the upper side of the filter screen and is used to mud thereon being swept to opposite side
Mud cleaning agency, opposite side, which is provided with, to be used to sweeping the mud cleaning agency into the silt outside silt displacement to the lautertuns come
Mud cleaning mechanism.
The beneficial effects of the utility model are：The silt for being used for that mud thereon to be swept to opposite side is provided with the upper side of filter screen
Mud cleaning agency, opposite side, which is provided with, to be used to sweeping the mud cleaning agency into the mud outside silt displacement to the lautertuns come
Cleaning mechanism, quickly and effectively it can clean out the impurity such as mud on filter screen, so that the continual work of filter.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, the mud cleaning agency is formed by sweeping mud plate and horizontally disposed hydraulic cylinder one, described to sweep mud plate bottom
Portion is abutted with the filter screen upper surface, and the mud plate side of sweeping is fixedly connected with the movable end of the piston rod of the hydraulic cylinder one,
The cylinder body of the hydraulic cylinder one is fixedly connected with pedestal one；The hydraulic cylinder one sweeps mud plate along the upper of the filter screen described in can driving
Apparent motion to the lautertuns opposite side, so that mud is swept on the mud cleaning mechanism.
Beneficial effect using above-mentioned further scheme is to sweep mud plate by Driven by Hydraulic Cylinder, and hydraulic system driving force is big, fortune
Row is steady, can guarantee that sweeping mud plate lower surface is close to the motion of filter screen upper surface, and fault rate is low；Cleaning range is from lautertuns
Side cleans thorough to opposite side.
Further, mud cleaning mechanism is by mud dressing table, the hydraulic cylinder being vertically arranged two and the hydraulic cylinder being obliquely installed
Three compositions, the mud dressing table lower surface abut with the filter screen upper surface, the mud dressing table and the hydraulic cylinder two
The movable end of piston rod be fixedly connected, cylinder body and the pedestal two of the hydraulic cylinder two are rotatablely connected, and the hydraulic cylinder two can band
Move the mud dressing table and rise to the lautertuns top；The cylinder body of the hydraulic cylinder two and the piston rod of the hydraulic cylinder three
Movable end is rotatablely connected, and the hydraulic cylinder three is fixedly connected with pedestal, and the hydraulic cylinder three can drive the hydraulic cylinder two and institute
State mud dressing table to be flipped up at rotation connection of the hydraulic cylinder two with the pedestal two, so as to which mud be poured out.
Beneficial effect using above-mentioned further scheme is that mud dressing table is by Driven by Hydraulic Cylinder, hydraulic system driving force
Greatly, operate steadily, there are enough driving forces steadily to rise when can guarantee that and more mud being housed on mud dressing table, and fault rate
It is low；Designed using first rising, overturning two steps poured out again, process is clear, is easy to analysis and handling failure.
Further, the mud plate of sweeping is rectangular slab, and its length is fewer 50mm than the span length of lautertuns, the hydraulic cylinder one
Piston rod passes through the side wall of the lautertuns and is connected with the middle part for sweeping mud plate.
Beneficial effect using above-mentioned further scheme is rectangular slab simple shape, effectively to sweep mud, and
During being elapsed to opposite side, the top of rectangular slab can promote the mud for being piled into certain altitude；Length is than lautertuns
The few 50mm of span length, both can guarantee that and has swept to whole lautertuns, and can is easy to disassemble；The piston rod of hydraulic cylinder one passes through the lautertuns
Side wall and be connected with the middle part for sweeping mud plate so that piston rod more fulcrum supports when extending, and be unlikely to occur
Deformation, in addition connection sweep the middle part of mud plate and cause uniform force.
Further, the mud dressing table is made up of vertical plate and the horizontal plate being fixedly connected with the vertical plate,
The lower surface of the horizontal plate is horizontally disposed, and the upper surface of the horizontal plate is is obliquely installed, on the horizontal plate
The intersecting lens of surface and lower surface sweeps mud plate arrangement close to described, and length is fewer 50mm than the span length of lautertuns.
Beneficial effect using above-mentioned further scheme is to be advantageous to all mud thoroughly sweeping to mud dressing table
On.
Further, in addition to for collecting the mud collecting pit that the mud cleaning mechanism pours out mud, the mud is received
Ji Chi is arranged on the lower section of the mud cleaning mechanism.
Beneficial effect using above-mentioned further scheme is to catch and collect the mud that is cleared, can be conveniently with
Truck haul is walked, environment-friendly high-efficiency.
Further, the hydraulic cylinder one, the hydraulic cylinder two and the hydraulic cylinder three be respectively by corresponding solenoid valve control,
The lower section of the discharging opening is provided with flowmeter, and the device also includes being used for the controller for controlling automatic desilting mud, the magnetic valve
It is electrically connected with the flowmeter and the controller.
Beneficial effect using above-mentioned further scheme is to realize automatic identification mud jam using automatic control system,
Automatic cleaning mud, can be without manually nursing and operating continual work.
Further, the pedestal one, the pedestal two and the pedestal three are fixedly connected with ground or wall.
Beneficial effect using above-mentioned further scheme is that hydraulic cylinder is fixed reliably.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the structural representation that the utility model has installed shaking device additional.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, pond is irrigated, 2, filter, 3, lautertuns, 4, filter screen, 5, discharging opening, 6, discharge pipe, 7, flowmeter, 8, sweep mud
Plate, 9, mud dressing table, 10, hydraulic cylinder one, 11, hydraulic cylinder two, 12, hydraulic cylinder three, 13, pedestal one, 14, pedestal two, 15, base
Seat three, 16, mud collecting pit, 17, shaking device.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
As shown in figure 1, a kind of biogas slurry filter of automatic desilting mud, including irrigate pond 1 and the filtering being positioned above
Groove 3, the irrigation pond 1 is interior to be provided with filter 2, and filter screen 4, periphery and the mistake of the filter screen 4 are provided with the lautertuns 3
The madial wall connection of filter pocket 3, the bottom of the lautertuns 3 are provided with discharging opening 5, the discharging opening by discharge pipe 6 with it is described
Filter 2 connects, and the upper side of filter screen 4 is provided with the mud cleaning agency for being used for that mud thereon to be swept to opposite side, another
Side, which is provided with, to be used to sweeping the mud cleaning agency into the mud cleaning mechanism outside silt displacement to the lautertuns 3 come.
The mud cleaning agency is formed by sweeping mud plate 8 and horizontally disposed hydraulic cylinder 1, it is described sweep the bottom of mud plate 8 with
The upper surface of filter screen 4 is abutted, and the side of mud plate 8 of sweeping is fixedly connected with the movable end of the piston rod of the hydraulic cylinder 1,
The cylinder body of the hydraulic cylinder 1 is fixedly connected with pedestal 1；The hydraulic cylinder 1 can drive the mud plate 8 of sweeping along described
The upper surface of filter screen 4 moves to the opposite side of the lautertuns 3, so as to which mud is swept on the mud cleaning mechanism.
Mud cleaning mechanism is by mud dressing table 9, the hydraulic cylinder being vertically arranged 2 11 and the hydraulic cylinder 3 12 being obliquely installed
Composition, the lower surface of mud dressing table 9 abut with the upper surface of filter screen 4, the mud dressing table 9 and the hydraulic cylinder two
The movable end of 11 piston rod is fixedly connected, and cylinder body and the pedestal 2 14 of the hydraulic cylinder 2 11 are rotatablely connected, the hydraulic cylinder
2 11 can drive the mud dressing table 9 to rise to the top of lautertuns 3；The cylinder body and the hydraulic cylinder of the hydraulic cylinder 2 11
The movable end rotation connection of 3 12 piston rod, the hydraulic cylinder 3 12 are fixedly connected with pedestal 15, and the hydraulic cylinder 3 12 can
Drive the hydraulic cylinder 2 11 and the mud dressing table 9 upward at rotation connection of the hydraulic cylinder two with the pedestal two
Upset, so as to which mud be poured out.
The mud plate 8 of sweeping is rectangular slab, the piston rod of the hydraulic cylinder 1 through the lautertuns 3 side wall and with
The middle part connection for sweeping mud plate 8.
The mud dressing table 9 is made up of vertical plate and the horizontal plate being fixedly connected with the vertical plate, the water
The lower surface of flat plate be it is horizontally disposed, the upper surface of the horizontal plate to be obliquely installed, the horizontal plate upper surface with
The intersecting lens of lower surface is swept mud plate 8 described in and arranged.
Also include being used to collect the mud collecting pit 16 that the mud cleaning mechanism pours out mud, the mud collecting pit 16
It is arranged on the lower section of the mud cleaning mechanism.
The hydraulic cylinder 1, the hydraulic cylinder 2 11 and the hydraulic cylinder 3 12 respectively by corresponding solenoid valve control,
The lower section of the discharging opening 5 is provided with flowmeter 7, and the device also includes being used for the controller for controlling automatic desilting mud, the electromagnetism
Valve and the flowmeter 7 are electrically connected with the controller.
The pedestal 1, the pedestal 2 14 and the pedestal 3 15 are fixedly connected with ground or wall.
Automatic Control Theory：
Realize automatic control function in order to more convenient, on the home position of hydraulic cylinder 1, mud dressing table 9 position,
Mud dressing table is promoted to highest position and hydraulic cylinder 3 12 extend out to the most strong point difference set location limit, and respectively with institute
State controller electric connection.
1. mud is excessive on filter screen 4, it may occur that block, flowed out from discharging opening 5 and then pass through the biogas slurry of discharge pipe 6
Flow can diminish, and flowmeter 7, which detects, sends a signal to controller when flow is too small；
2. controller passes to control signal the magnetic valve corresponding to hydraulic cylinder 1, magnetic valve correspondingly acts, liquid
Pressure system operation causes hydraulic cylinder 1 stretches out to sweep mud plate 8 so as to promote, and the mud on filter screen 4 is swept on mud dressing table 9,
Now sweep mud plate 8 and contact the position limit and stop motion that opening position is set on mud dressing table, then controller will be controlled and believed
The magnetic valve corresponding to hydraulic cylinder 1 number is passed to, magnetic valve correspondingly acts, and hydraulic system, which operates, causes hydraulic cylinder 1
Shrink and return to home position；
3. when hydraulic cylinder 1 returns to home position, the position limit of the original position setting of contact hydraulic cylinder 1
And stop motion, while control signal is passed to magnetic valve corresponding to hydraulic cylinder 2 11 by controller, magnetic valve correspondingly acts,
Hydraulic system, which operates, causes hydraulic cylinder 2 11 to shrink, and mud dressing table 9 is risen, and mud dressing table is contacted at extreme higher position and is carried
Rise to the position limit of highest position setting and stop, while controller passes to control signal corresponding to hydraulic cylinder 3 12
Magnetic valve, magnetic valve correspondingly act, and hydraulic system, which operates, causes hydraulic cylinder 3 12 stretches out the upset of mud dressing table 9 will be become silted up
Mud is poured out；
4. the position limit that hydraulic cylinder 3 12 extend out to the setting of most strong point is contacted when hydraulic cylinder 3 12 extend out to most strong point
And stop, controller passes to control signal the magnetic valve corresponding to hydraulic cylinder 3 12, and magnetic valve correspondingly acts, hydraulic pressure system
System running causes hydraulic cylinder 3 12 to shrink, and highest position setting is promoted to when mud dressing table 9 touches mud dressing table
During position limit, the stop motion of hydraulic cylinder 3 12, now controller control signal is passed into electromagnetism corresponding to hydraulic cylinder 2 11
Valve, magnetic valve correspondingly act, and hydraulic system, which operates, causes hydraulic cylinder 2 11 to stretch out, and mud dressing table 9 is dropped into initial bit
Put and stop；
5. being completed to this one cycle, if flowmeter 7 still detects that flow is too low, the above-mentioned course of work is circulated,
Until the detection stream value of flowmeter 7 stops clearing up mud in zone of reasonableness.
Embodiment 1：
As shown in Fig. 2 on the basis of Fig. 1 and device described above, add shaking device 17, the shaking device 17 with
Lautertuns 3 is fixedly connected and is electrically connected with the controller, and the shaking device 17 is arranged on the lower section of filter screen 4 and abutted with filter screen 4, shakes
Dynamic device 17 can clean up with the vertical tremor of electric filter 4 so as to shake out the mud in filter screen 4 to sweep mud plate 8,
Shaking device is located at the extreme higher position of its stroke during the not actuated work of automatic desilting mud device.In the step of above-mentioned Automatic Control Theory
The action of shaking device 17 is added in rapid 1：When mud is excessive on filter screen 4, it may occur that block, flow out and then pass through from discharging opening 5
Crossing the flow of the biogas slurry of discharge pipe 6 can diminish, and flowmeter 7, which detects, sends a signal to controller when flow is too small, control
Device, which sends control signals to shaking device 17, makes its vertical tremor, and the vibrations time is 2 minutes, then controller control vibrations dress
Put 17 stoppings vibrations.The step 2-5 for next moving to above-mentioned Automatic Control Theory starts the cycle over work, every in the present embodiment
Secondary circulation includes the action of the shaking device 17 newly added.
The shaking device 17 is vibrator, and classification can be rotary and centrifugal type, piston reciprocating type or piston impact formula, the energy
Form can be electronic, pneumatically or hydraulically.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (8)
1. a kind of biogas slurry filter of automatic desilting mud, including pond (1) and the lautertuns (3) being positioned above are irrigated, it is described
Irrigate in pond (1) and be provided with filter (2), the lautertuns (3) is interior to be provided with filter screen (4), the periphery of the filter screen (4) with it is described
The madial wall connection of lautertuns (3), the bottom of the lautertuns (3) are provided with discharging opening (5), and the discharging opening passes through discharge pipe
(6) connected with the filter (2), it is characterised in that be provided with the upper side of the filter screen (4) and be used to mud to be swept to separately thereon
The mud cleaning agency of side, opposite side, which is provided with, to be used to the mud cleaning agency sweeping next silt displacement to the lautertuns
(3) mud cleaning mechanism outside.
A kind of 2. biogas slurry filter of automatic desilting mud according to claim 1, it is characterised in that the mud scavenging machine
Structure is formed by sweeping mud plate (8) and horizontally disposed hydraulic cylinder one (10), described to sweep mud plate (8) bottom and the filter screen (4) upper table
Face is abutted, and mud plate (8) side of sweeping is fixedly connected with the movable end of the piston rod of the hydraulic cylinder one (10), the hydraulic cylinder
The cylinder body of one (10) is fixedly connected with pedestal one (13)；The hydraulic cylinder one (10) sweeps mud plate (8) along the filter described in can driving
The upper surface of net (4) moves to the opposite side of the lautertuns (3), so as to which mud is swept on the mud cleaning mechanism.
A kind of 3. biogas slurry filter of automatic desilting mud according to claim 2, it is characterised in that mud cleaning mechanism by
Mud dressing table (9), the hydraulic cylinder two (11) being vertically arranged and hydraulic cylinder three (12) composition being obliquely installed, the mud cleaning
Platform (9) lower surface abuts with the filter screen (4) upper surface, the piston of the mud dressing table (9) and the hydraulic cylinder two (11)
The movable end of bar is fixedly connected, and cylinder body and the pedestal two (14) of the hydraulic cylinder two (11) are rotatablely connected, the hydraulic cylinder two
(11) the mud dressing table (9) can be driven to rise to the lautertuns (3) top；The cylinder body of the hydraulic cylinder two (11) and described
The movable end rotation connection of the piston rod of hydraulic cylinder three (12), the hydraulic cylinder three (12) are fixedly connected with pedestal three (15), institute
The hydraulic cylinder two (11) and the mud dressing table (9) can be driven around the hydraulic cylinder two (11) and institute by stating hydraulic cylinder three (12)
State and be flipped up at the rotation connection of pedestal two (14), so as to which mud be poured out.
4. a kind of biogas slurry filter of automatic desilting mud according to claim 2, it is characterised in that described to sweep mud plate (8)
For rectangular slab, the piston rod of the hydraulic cylinder one (10) through the lautertuns (3) side wall and with the mud plate (8) of sweeping
Middle part connects.
A kind of 5. biogas slurry filter of automatic desilting mud according to claim 3, it is characterised in that the mud dressing table
(9) formed by vertical plate and with the level board that the vertical plate is fixedly connected, the lower surface of the level board is horizontally disposed, institute
The upper surface of horizontal plate is stated to be obliquely installed, the intersecting lens of the horizontal plate upper surface and lower surface is located to be swept close to described
The side of mud plate (8).
6. a kind of biogas slurry filter of automatic desilting mud according to claim 1, it is characterised in that also include being used to collect
The mud cleaning mechanism pours out the mud collecting pit (16) of mud, and the mud collecting pit (16) is arranged on the lautertuns
(3) lower section.
A kind of 7. biogas slurry filter of automatic desilting mud according to Claims 2 or 3, it is characterised in that the hydraulic cylinder
One (10), the hydraulic cylinder two (11) and the hydraulic cylinder three (12) are respectively by corresponding solenoid valve control, the discharging opening (5)
Lower section be provided with flowmeter (7), the magnetic valve and the flowmeter (7) are electrically connected with the controller, and the controller can control
The hydraulic cylinder one (10), the hydraulic cylinder two (11) and piston rod corresponding to the hydraulic cylinder three (12) it is flexible with realize from
Dynamic desilting mud action.
A kind of 8. biogas slurry filter of automatic desilting mud according to Claims 2 or 3, it is characterised in that the pedestal one
(13), the pedestal two (14) and the pedestal three (15) are fixedly connected with ground or wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720701174.XU CN207126196U (en) | 2017-06-15 | 2017-06-15 | A kind of biogas slurry filter of automatic desilting mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720701174.XU CN207126196U (en) | 2017-06-15 | 2017-06-15 | A kind of biogas slurry filter of automatic desilting mud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207126196U true CN207126196U (en) | 2018-03-23 |
Family
ID=61631855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720701174.XU Expired - Fee Related CN207126196U (en) | 2017-06-15 | 2017-06-15 | A kind of biogas slurry filter of automatic desilting mud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207126196U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108553992A (en) * | 2018-05-16 | 2018-09-21 | 吴金阳 | A kind of water treatment filter of automatic cleaning impurity |
| CN109042239A (en) * | 2018-08-26 | 2018-12-21 | 何宏昌 | A kind of afforestation equipment |
| CN109701316A (en) * | 2019-01-24 | 2019-05-03 | 浙江立恒建设有限公司 | Municipal sewage system |
| CN110180243A (en) * | 2019-06-12 | 2019-08-30 | 南通大学 | One kind being applied to construction refuse regenerated aggregate bilayer aided filter and removes mud device |
| CN110692501A (en) * | 2019-10-30 | 2020-01-17 | 寇星涛 | Flow-controllable watering equipment for agricultural planting |
| CN111686493A (en) * | 2020-06-30 | 2020-09-22 | 河南沃海水务有限公司 | Municipal administration sewage filter equipment |
| CN112138443A (en) * | 2019-06-27 | 2020-12-29 | 博海云通中水处理技术(北京)有限公司 | Novel sewage pretreatment filters sled dress equipment |
| CN112931393A (en) * | 2021-01-18 | 2021-06-11 | 湖南文理学院 | Cleaning device, cleaning system and cleaning method for aquaculture |
-
2017
- 2017-06-15 CN CN201720701174.XU patent/CN207126196U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108553992A (en) * | 2018-05-16 | 2018-09-21 | 吴金阳 | A kind of water treatment filter of automatic cleaning impurity |
| CN108553992B (en) * | 2018-05-16 | 2020-05-12 | 上海泓济环保科技股份有限公司 | Water treatment filtering device capable of automatically cleaning impurities |
| CN109042239A (en) * | 2018-08-26 | 2018-12-21 | 何宏昌 | A kind of afforestation equipment |
| CN109042239B (en) * | 2018-08-26 | 2020-11-03 | 合肥蓝川生态科技有限公司 | Afforestation equipment |
| CN109701316A (en) * | 2019-01-24 | 2019-05-03 | 浙江立恒建设有限公司 | Municipal sewage system |
| CN109701316B (en) * | 2019-01-24 | 2021-02-23 | 浙江立恒建设有限公司 | Municipal sewage treatment system |
| CN110180243A (en) * | 2019-06-12 | 2019-08-30 | 南通大学 | One kind being applied to construction refuse regenerated aggregate bilayer aided filter and removes mud device |
| CN112138443A (en) * | 2019-06-27 | 2020-12-29 | 博海云通中水处理技术(北京)有限公司 | Novel sewage pretreatment filters sled dress equipment |
| CN110692501A (en) * | 2019-10-30 | 2020-01-17 | 寇星涛 | Flow-controllable watering equipment for agricultural planting |
| CN111686493A (en) * | 2020-06-30 | 2020-09-22 | 河南沃海水务有限公司 | Municipal administration sewage filter equipment |
| CN112931393A (en) * | 2021-01-18 | 2021-06-11 | 湖南文理学院 | Cleaning device, cleaning system and cleaning method for aquaculture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180323 Termination date: 20190615 |
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| CF01 | Termination of patent right due to non-payment of annual fee |