CN108905371A - A kind of trade effluent pre-processing device of anti-clogging filtering - Google Patents
A kind of trade effluent pre-processing device of anti-clogging filtering Download PDFInfo
- Publication number
- CN108905371A CN108905371A CN201810848171.8A CN201810848171A CN108905371A CN 108905371 A CN108905371 A CN 108905371A CN 201810848171 A CN201810848171 A CN 201810848171A CN 108905371 A CN108905371 A CN 108905371A
- Authority
- CN
- China
- Prior art keywords
- screen tube
- chamber
- processing device
- trade effluent
- filling layer
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of trade effluent pre-processing devices of anti-clogging filtering, including shell, water-in flange, sieve plate and dosing chamber；Filter chamber, collecting chamber and dosing chamber are divided into the shell, the lower section of collector nozzle is equipped with horizontal rotatable screen tube, a feed opening is offered on the screen tube, the outer sheath of screen tube is equipped with one layer of fixed filter cylinder, filling layer is filled in sieve plate；An air bag is fixedly installed in the filling layer in the sieve plate.The present invention ceaselessly stirs sewage in screen tube, and the fixation filter cylinder being arranged outside screen tube makes impurity above it, and by contaminant filter, while the screen tube rotated avoids impurity from blocking fixed filter cylinder, makes persistently to be lauched in fixed filter cylinder；Sewage falls in the filling layer of lower section, is filtered in sieve plate, and the intermittent feeding air of air pump keeps air bag frequently inflatable and deflatable, makes to load layer vibration, impurity and filling layer are stirred, filling layer and waste water are enable.
Description
Technical field
The present invention relates to a kind of environmental protection equipment, the trade effluent pre-processing device of specifically a kind of anti-clogging filtering.
Background technique
As industrial level constantly develops, to the pollution of nature bring also growing day by day, dropped to endanger
Minimum, various advanced technologies are used to administer a variety of pollutions, wherein the harm of industrial wastewater pollution is exactly wherein important one
Point, trade effluent direct emission pollutes environment, destroys the ecological balance, polluted source leads to not the loss retrieved, by each
The great attention of country.
Wastewater treatment method has physical method, chemical method or bioanalysis, and trade effluent during processing, is needed to direct row
Sewage out is pre-processed, i.e., to the large granular impurity and heavy metal progress by-pass filtration in sewage, after being more conducive to
Continuous sewage treatment, but existing sewage disinfection treatment mode is simple, is screened merely by a fixed filter screen, net
Hole easily blocks, and flow rate of water flow is caused to decline, and influences sewage treating efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of trade effluent pre-processing devices of anti-clogging filtering, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides the following technical solutions：
A kind of trade effluent pre-processing device of anti-clogging filtering, including shell, water-in flange, sieve plate and dosing chamber；It is described
Filter chamber, collecting chamber and dosing chamber are divided into shell, the bottom of filter chamber is connected to the bottom of collecting chamber, water-in flange connection
At the top of filter chamber；It is communicated with the collector nozzle in filter chamber in the lower end of the water-in flange, is set below collector nozzle
There is horizontal rotatable screen tube, is sealed between collector nozzle and screen tube by sealing ring, make the sewage fallen in collector nozzle
It directly falls on screen tube, screen tube is cylinder-like structure；In order to which the impurity made can be located in screen tube, described
A feed opening is offered on screen tube, drops into impurity in screen tube；The outer sheath of screen tube is equipped with one layer of fixed filter cylinder,
Fixed filter cylinder is immobilized in the shell, the upper end opening of fixed filter cylinder and collector nozzle it is of same size, be merely able to sewage from fixation
Pass through in filter cylinder；The sieve plate is fixed on the lower section of fixed filter cylinder, and filling layer is filled in sieve plate；In the strainer
An air bag is fixedly installed in filling layer on plate.
Further：Top in the filter chamber is fixedly installed with circulating pump, is communicated on the water inlet of circulating pump soft
Pipe, hose extend into the bottom of collecting chamber, and a floating block is fixedly installed on the lower end of hose, and the material of floating block is polystyrene
Cystosepiment enables the lower end of hose to be suspended on the water surface, extracts upper layer clear water, and the bottom of collecting chamber is communicated with sewage pipe, just
In residue precipitating cleaning；The first branch pipe and the second branch pipe have been respectively communicated with by threeway on the water outlet of the circulating pump, first
It is mounted on valve on branch pipe and the second branch pipe, controls the open and close of respective pipeline, the first branch pipe is extend into filter chamber
And it is located at the side of screen tube, several nozzles towards screen tube are offered on filter chamber, to spraying on screen tube, feed opening
Water is detached from screen tube, feed opening convenient for impurity, water can also circulated and is filtered.
Further：The other end connection of second branch pipe is intracavitary in dosing, and a part of sewage is sent to dosing
In chamber, it being fixedly installed with stirring motor at the top of dosing chamber, it is intracavitary that the output shaft of stirring motor extend into dosing straight down,
It is fixedly connected with vertical agitating shaft on the output shaft of stirring motor, multiple paddles are installed on agitating shaft, pass through paddle
It is intracavitary to dosing to be stirred, medicine-chest is communicated with dosing is intracavitary, is mixed to the intracavitary feeding medical fluid of dosing with sewage, dosing chamber
Bottom is connected to outlet tube, and mixed sewage is discharged.
Further：Fixed on the central axis of the screen tube to wear shaft, the outer end of shaft is stretched out shell and is fixedly connected
It on the output shaft of motor, is rotated by motor driven screen tube, rotates screen tube in shell, make different side directions
Collector nozzle.
Further：The screen tube is identical as the fixed mesh size of filter cylinder, carries out jointly to the sewage of entrance
Filter, the mesh of sieve plate are less than the mesh of fixed filter cylinder, can filter more tiny impurity.
Further：Air bag is tubular structure, is evenly distributed in filling layer, if the upper side and lower side of air bag is stained with
Dry mandril, mandril can increase the range of air bag expansion effects, convenient for stirring filling layer, stir impurity with filling layer, keep away
Exempt to block, is convenient for drainage flow；Air pump is communicated with by pipeline in the air bag, impulse controller is electrically connected on air pump, passes through
Impulse controller control air pump is realized that discontinuity is opened and is inflated into air bag, and exhaust pipe is also communicated in air bag, exhaust pipe
Speed governing valve is installed on end, adjusts the flow velocity of the gas of discharge, makes to fill in air bag while guaranteeing gas discharge in air bag
Enter air and heaves.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention ceaselessly stirs sewage in screen tube, filter
The fixation filter cylinder being arranged outside net cylinder makes impurity above it, and by contaminant filter, while the screen tube rotated avoids impurity blocking solid
Determine filter cylinder, makes persistently to be lauched in fixed filter cylinder；Circulating pump the water in collecting chamber can be extracted out a part be injected in screen tube, under
In material mouth, to washing away thereon, reduces impurity and be attached to screen tube, on feed opening, improve the passability of its water flow；Sewage
It being filtered on filling layer, sieve plate below falling in, the intermittent feeding air of air pump keeps air bag frequently inflatable and deflatable,
Make to load layer vibration, impurity and filling layer are stirred, enables to load layer and waste water, rationally using filling layer, guarantee it
Clean-up effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the trade effluent pre-processing device of anti-clogging filtering.
Fig. 2 is the structural schematic diagram of A-A in Fig. 1.
Fig. 3 is the structural schematic diagram of air bag in a kind of trade effluent pre-processing device of anti-clogging filtering.
In figure：1- shell, 2- water-in flange, 3- collector nozzle, 4- screen tube, 5- feed opening, 6- motor, the fixed filter cylinder of 7-,
8- sieve plate, 9- filling layer, 10- air bag, 11- air pump, 12- impulse controller, 13- exhaust pipe, 14- mandril, 15- filter chamber,
16- collecting chamber, 17- circulating pump, 18- hose, 19- floating block, the first branch pipe of 20-, 21- nozzle, the second branch pipe of 22-, 23- valve,
24- dosing chamber, 25- stirring motor, 26- medicine-chest, 27- agitating shaft, 28- paddle, 29- outlet tube.
Specific embodiment
Please refer to figure, in the embodiment of the present invention, a kind of trade effluent pre-processing device of anti-clogging filtering, including shell 1,
Water-in flange 2, sieve plate 8 and dosing chamber 24；It is divided into filter chamber 15, collecting chamber 16 and dosing chamber 24 in the shell 1, filters
The bottom of chamber 15 is connected to the bottom of collecting chamber 16, makes internal sewage intercommunication；Water-in flange 2 is connected on the top of filter chamber 15
Portion.
It is communicated with the collector nozzle 3 in filter chamber 15 in the lower end of the water-in flange 2, the lower section of collector nozzle 3 is equipped with
Horizontal screen tube 4 is sealed by sealing ring between collector nozzle 3 and screen tube 4, falls the sewage fallen in collector nozzle 3 directly
On screen tube 4, screen tube 4 is cylinder-like structure, fixes on the central axis of screen tube 4 and wears shaft, and the outer end of shaft is stretched out
Shell 1 is fixedly connected on the output shaft of motor 6, is driven screen tube 4 to rotate by motor 6, is made screen tube 4 in 1 inward turning of shell
Turn, makes different sides towards collector nozzle 3；In order to which the impurity made can be located in screen tube 4, in the screen tube 4
On offer a feed opening 5, drop into impurity in screen tube 4；The outer sheath of screen tube 4 is equipped with one layer of fixed filter cylinder 7, Gu
Determine filter cylinder 7 to be fixed in shell 1, the upper end opening of fixed filter cylinder 7 and collector nozzle 3 it is of same size, be merely able to sewage from consolidating
Determine to pass through in filter cylinder 7, the screen tube 4 is identical as the fixed mesh size of filter cylinder 7, carries out the sewage of entrance jointly
Filter；The sieve plate 8 is fixed on the lower section of fixed filter cylinder 7, and the mesh of sieve plate 8 is less than the mesh of fixed filter cylinder 7, being capable of mistake
More tiny impurity is filtered, filling layer 9 is filled in sieve plate 8, filling layer 9 can be gravel or absorbent charcoal material, to dirt
Water plays the role of filtration, purification；An air bag 10 is fixedly installed in the filling layer 9 in the sieve plate 8, air bag 10 is pipe
Shape structure is evenly distributed in filling layer 9, and the upper side and lower side of air bag 10 is stained with several mandrils 14, and mandril 14 can
Increase the range of 10 expansion effects of air bag, convenient for stirring filling layer 9, stirs impurity with filling layer 9, avoid blocking, convenient for dirt
Water flowing；Air pump 11 is communicated with by pipeline in the air bag 10, impulse controller 12 is electrically connected on air pump 11, passes through pulse control
The control of device 12 air pump 11 processed is realized that discontinuity is opened and is inflated into air bag 10, and exhaust pipe 13 is also communicated in air bag 10, is vented
Speed governing valve is installed on the end of pipe 13, adjusts the flow velocity of the gas of discharge, is made while guaranteeing gas discharge in air bag 10
It is filled with air in air bag 10 and heaves, specifically, when impulse controller 12 controls the unlatching of air pump 11, the drum into air bag 10 of air pump 11
Enter air, while air is discharged in exhaust pipe 13, the air velocity blasted is greater than the air velocity of discharge, so that 10 balloon of air bag
It rises, when impulse controller 12, which controls air pump 11, to be stopped, the air in air bag 10 can be discharged in time, guarantee that air bag 10 can be received
The expansion of 10 discontinuity of air bag is realized in contracting, and filling layer 9 is shaken, and impurity is made to have filling layer 9 mobile.
Top in the filter chamber 15 is fixedly installed with circulating pump 17, is communicated with hose on the water inlet of circulating pump 17
18, hose 18 extend into the bottom of collecting chamber 16, and a floating block 19, the material of floating block 19 are fixedly installed on the lower end of hose 18
For polystyrene foam plate, the lower end of hose 18 is enable to be suspended on the water surface, extract upper layer clear water, the bottom of collecting chamber 16 connects
It is connected with sewage pipe, convenient for remaining precipitating cleaning；First branch pipe has been respectively communicated with by threeway on the water outlet of the circulating pump 17
20 and second branch pipe 22, valve 23 is mounted on the first branch pipe 20 and the second branch pipe 22, controls unlatching and the pass of respective pipeline
It closes, the first branch pipe 20 extend into the side in filter chamber 15 and being located at screen tube 4, several are offered on filter chamber 15 towards filter
The nozzle 21 of net cylinder 4 is detached from screen tube 4, feed opening 5 convenient for impurity, can also make water to spraying water on screen tube 4, feed opening 5
It circulates and is filtered.
The other end of second branch pipe 22 is connected in dosing chamber 24, and a part of sewage is sent to dosing chamber 24
In, it is fixedly installed with stirring motor 25 at the top of dosing chamber 24, the output shaft of stirring motor 25 extend into dosing straight down
In chamber 24, it is fixedly connected with vertical agitating shaft 27 on the output shaft of stirring motor 25, multiple stirrings are installed on agitating shaft 27
Leaf 28 is communicated with medicine-chest 26 in dosing chamber 24, send into dosing chamber 24 by paddle 28 to being stirred in dosing chamber 24
Enter medical fluid to mix with sewage, the bottom of dosing chamber 24 is connected to outlet tube 29, and mixed sewage is discharged.
When work, sewage is sent in shell 1 by water-in flange 2, the sewage entered in collector nozzle 3 passes through first
Screen tube 4, sewage can pass through screen tube 4, when the feed opening 5 of screen tube 4 upward when sewage in impurity enter screen tube 4
In, it follows screen tube 4 to rotate, is ceaselessly stirred in screen tube 4, the fixation filter cylinder 7 being arranged outside screen tube 4 makes impurity on it
Side, by contaminant filter, while the screen tube 4 rotated avoids impurity from blocking fixed filter cylinder 7, makes persistently to be lauched in fixed filter cylinder 7, together
When circulating pump 17 water in collecting chamber 16 can be extracted out to a part be injected in screen tube 4, on feed opening 5, to rushing thereon
Brush reduces impurity and is attached to screen tube 4, on feed opening 5, improves the passability of its water flow；Sewage falls in the filling layer of lower section
9, it is filtered in sieve plate 8, when filling layer 9 is purified, the intermittent feeding air of air pump 11 fills air bag 10 frequently
Gas and deflation vibrate filling layer 9, and impurity and filling layer 9 are stirred, and enable to load layer 9 and waste water, rationally utilize dress
Packing course 9 guarantees its clean-up effect；Filtered sewage enters in collecting chamber 16 from bottom, and hose 18 can follow the water surface
Highly automated adjusting draws the clear liquid on water surface upper layer, sewage is sent in dosing chamber 24, and it is mixed that dosing is carried out in dosing chamber 24
It closes, is used convenient for subsequent processing.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of trade effluent pre-processing device of anti-clogging filtering, including shell（1）, water-in flange（2）, sieve plate（8）With
Dosing chamber（24）；The shell（1）Inside it is divided into filter chamber（15）, collecting chamber（16）With dosing chamber（24）, filter chamber（15）'s
Bottom and collecting chamber（16）Bottom connection, water-in flange（2）Connection is in filter chamber（15）Top；It is characterized in that, institute
State water-in flange（2）Lower end be communicated with positioned at filter chamber（15）Interior collector nozzle（3）, collector nozzle（3）Lower section be equipped with level
Rotatable screen tube（4）, screen tube（4）For cylinder-like structure；In the screen tube（4）On offer a feed opening
（5）, screen tube（4）Outer sheath be equipped with one layer of fixed filter cylinder（7）, fixed filter cylinder（7）It is fixed on shell（1）It is interior；The filter
Web plate（8）It is fixed on fixed filter cylinder（7）Lower section, in sieve plate（8）On be filled with filling layer（9）；In the sieve plate（8）On
Filling layer（9）Inside it is fixedly installed an air bag（10）.
2. a kind of trade effluent pre-processing device of anti-clogging filtering according to claim 1, it is characterised in that：The mistake
Filter chamber（15）Interior top is fixedly installed with circulating pump（17）, circulating pump（17）Water inlet on be communicated with hose（18）, hose
（18）It extend into collecting chamber（16）Bottom, in hose（18）Lower end on be fixedly installed with a floating block（19）；The circulating pump
（17）Water outlet on the first branch pipe has been respectively communicated with by threeway（20）With the second branch pipe（22）, the first branch pipe（20）With second
Branch pipe（22）On be mounted on valve（23）, the first branch pipe（20）It extend into filter chamber（15）It is interior and be located at screen tube（4）One
Side, filter chamber（15）On offer several towards screen tube（4）Nozzle（21）.
3. a kind of trade effluent pre-processing device of anti-clogging filtering according to claim 2, it is characterised in that：Described
Two branch pipes（22）Other end be connected in dosing chamber（24）It is interior, in dosing chamber（24）Top be fixedly installed with stirring motor
（25）, stirring motor（25）Output shaft extend into dosing chamber straight down（24）It is interior, in stirring motor（25）Output shaft on
It is fixedly connected with vertical agitating shaft（27）, agitating shaft（27）The upper multiple paddles of installation（28）, in dosing chamber（24）Interior connection
There is medicine-chest（26）, dosing chamber（24）Bottom be connected to outlet tube（29）.
4. a kind of trade effluent pre-processing device of anti-clogging filtering according to claim 1, it is characterised in that：The filter
Net cylinder（4）Central axis on it is fixed wear shaft, shell is stretched out in the outer end of shaft（1）It is fixedly connected on motor（6）Output shaft
On.
5. a kind of trade effluent pre-processing device of anti-clogging filtering according to claim 1 or 2, it is characterised in that：Institute
The screen tube stated（4）With fixed filter cylinder（7）Mesh size it is identical, sieve plate（8）Mesh be less than fixed filter cylinder（7）Net
Hole.
6. a kind of trade effluent pre-processing device of anti-clogging filtering according to claim 1, it is characterised in that：Load layer
（9）For gravel or absorbent charcoal material.
7. a kind of trade effluent pre-processing device of anti-clogging filtering according to claim 1, it is characterised in that：The gas
Capsule（10）For tubular structure, it is evenly distributed on filling layer（9）It is interior, air bag（10）The upper side and lower side be stained with several mandrils
（14）；The air bag（10）It is interior that air pump is communicated with by pipeline（11）, air pump（11）Upper electrical connection impulse controller（12）, in gas
Capsule（10）Inside also it is communicated with exhaust pipe（13）, exhaust pipe（13）End on speed governing valve is installed.
8. a kind of trade effluent pre-processing device of anti-clogging filtering according to claim 1, it is characterised in that：It is described floating
Block（19）Material be polystyrene foam plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810848171.8A CN108905371A (en) | 2018-07-27 | 2018-07-27 | A kind of trade effluent pre-processing device of anti-clogging filtering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810848171.8A CN108905371A (en) | 2018-07-27 | 2018-07-27 | A kind of trade effluent pre-processing device of anti-clogging filtering |
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| Publication Number | Publication Date |
|---|---|
| CN108905371A true CN108905371A (en) | 2018-11-30 |
Family
ID=64417563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810848171.8A Pending CN108905371A (en) | 2018-07-27 | 2018-07-27 | A kind of trade effluent pre-processing device of anti-clogging filtering |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603257A (en) * | 2019-01-24 | 2019-04-12 | 刘景典 | A kind of miscellaneous device of split type sewage filter |
| CN109625695A (en) * | 2018-12-04 | 2019-04-16 | 王大幸 | A kind of town road garbage recovery device easy to use |
| CN110935234A (en) * | 2020-01-02 | 2020-03-31 | 钟仙珠 | Sewage treatment device based on gear transmission principle |
| CN111547860A (en) * | 2020-06-11 | 2020-08-18 | 江西怡皓环境工程有限公司 | Constructed wetland filler for advanced treatment of tail water and constructed wetland laying method |
| CN111559845A (en) * | 2020-05-06 | 2020-08-21 | 北部湾大学 | Karst area shale gas is opened oil recovery base sludge treatment equipment |
| CN112122283A (en) * | 2020-09-10 | 2020-12-25 | 太和县大华能源科技有限公司 | Lead acid battery plastics are retrieved and are used dust disengaging device |
| CN113005784A (en) * | 2021-03-01 | 2021-06-22 | 安徽高梵电子商务有限公司 | A prevent mite storage device that dehumidifies for eiderdown goods |
| CN114684976A (en) * | 2022-06-01 | 2022-07-01 | 湖南中车环境工程有限公司 | Treatment device and treatment method for urban initial rainwater and black and odorous water |
| CN114832479A (en) * | 2022-05-21 | 2022-08-02 | 李占兵 | Prevent composite filter element of jam |
| CN115784457A (en) * | 2022-12-02 | 2023-03-14 | 江苏启德水务有限公司 | Post-ecological constructed wetland system suitable for domestic sewage treatment |
| CN117004833A (en) * | 2023-08-16 | 2023-11-07 | 西藏旭升矿业开发有限公司 | Salt lake brine lithium extraction system with ultrafiltration function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109625695B (en) * | 2018-12-04 | 2021-06-08 | 邯郸极驰汽车股份有限公司 | Garbage recycling device convenient to use for town road |
| CN109625695A (en) * | 2018-12-04 | 2019-04-16 | 王大幸 | A kind of town road garbage recovery device easy to use |
| CN109603257A (en) * | 2019-01-24 | 2019-04-12 | 刘景典 | A kind of miscellaneous device of split type sewage filter |
| CN110935234A (en) * | 2020-01-02 | 2020-03-31 | 钟仙珠 | Sewage treatment device based on gear transmission principle |
| CN111559845A (en) * | 2020-05-06 | 2020-08-21 | 北部湾大学 | Karst area shale gas is opened oil recovery base sludge treatment equipment |
| CN111559845B (en) * | 2020-05-06 | 2021-11-05 | 北部湾大学 | Karst area shale gas is opened oil recovery base sludge treatment equipment |
| CN111547860A (en) * | 2020-06-11 | 2020-08-18 | 江西怡皓环境工程有限公司 | Constructed wetland filler for advanced treatment of tail water and constructed wetland laying method |
| CN112122283A (en) * | 2020-09-10 | 2020-12-25 | 太和县大华能源科技有限公司 | Lead acid battery plastics are retrieved and are used dust disengaging device |
| CN112122283B (en) * | 2020-09-10 | 2022-11-22 | 太和县大华能源科技有限公司 | Dust separation device for lead-acid battery plastic recovery |
| CN113005784A (en) * | 2021-03-01 | 2021-06-22 | 安徽高梵电子商务有限公司 | A prevent mite storage device that dehumidifies for eiderdown goods |
| CN114832479A (en) * | 2022-05-21 | 2022-08-02 | 李占兵 | Prevent composite filter element of jam |
| CN114684976A (en) * | 2022-06-01 | 2022-07-01 | 湖南中车环境工程有限公司 | Treatment device and treatment method for urban initial rainwater and black and odorous water |
| CN115784457A (en) * | 2022-12-02 | 2023-03-14 | 江苏启德水务有限公司 | Post-ecological constructed wetland system suitable for domestic sewage treatment |
| CN117004833A (en) * | 2023-08-16 | 2023-11-07 | 西藏旭升矿业开发有限公司 | Salt lake brine lithium extraction system with ultrafiltration function |
| CN117004833B (en) * | 2023-08-16 | 2024-01-16 | 西藏旭升矿业开发有限公司 | Salt lake brine lithium extraction system with ultrafiltration function |
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Application publication date: 20181130 |
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| RJ01 | Rejection of invention patent application after publication |