CN206138844U - Industrial waste water filter equipment for environmental protection - Google Patents
Industrial waste water filter equipment for environmental protection Download PDFInfo
- Publication number
- CN206138844U CN206138844U CN201621095096.5U CN201621095096U CN206138844U CN 206138844 U CN206138844 U CN 206138844U CN 201621095096 U CN201621095096 U CN 201621095096U CN 206138844 U CN206138844 U CN 206138844U
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- Prior art keywords
- waste water
- water tank
- tooth bar
- pole
- filter screen
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Abstract
The utility model relates to an industrial waste water filter equipment especially relates to an industrial waste water filter equipment for environmental protection. The to -be -solved technical problem of the utility model is to provide an industrial waste water filter equipment for environmental protection that filters simply, the filtration is abundant, transition ring protects. In order to solve the technical problem, the utility model provides a such industrial waste water filter equipment for environmental protection is including base, waste water tank, filter screen, wire rope, inlet pipe, bearing frame, cylinder, swing seat, swinging arms, roof, first slide rail, first slider, removal frame etc. Waste water tank left side upper portion is equipped with the inlet pipe, is equipped with the filter screen in the waste water tank, the filter screen left and right sides respectively with the inside contact in the waste water tank left and right sides. The utility model discloses the filtration that has reached is simple, filter effect abundant, that transition ring protects, uses this device to filter and can accomplish more sharp filtration in the short time, can save time, sparingly the cost.
Description
Technical field
This utility model is related to a kind of industrial wastewater defecator, more particularly to a kind of environmental protection is filled with industrial waste water filtering
Put.
Background technology
Environmental protection, full name environmental conservation refers to the mankind for solution reality or potential environmental problem, the coordination mankind and environment
Relation, ensure economic society sustainable development and the general name of various action taken.Its ways and means have engineering technology,
It is administrative, also have law, economy, communication and education etc..
Environmental conservation refers to that the mankind protect national resource consciously and are reasonably utilized it again, prevents nature ring
Border is contaminated and destroys；Environment to being contaminated and destroying must carry out comprehensive control, and to create mankind's life is suitable for
Living, work environment.Environmental conservation refers to that the mankind are solution reality or potential environmental problem, coordinates the pass of the mankind and environment
System, ensure economic society sustainable development and the general name of various action taken.
Industrial wastewater refers to waste water, sewage and the waste liquid produced in industrial processes, wherein containing the work for outflowing with water
The pollutant produced in industry production materials, intermediate product and product and production process.With developing rapidly for industry, waste water
Type and quantity rapidly increase, and the pollution to water body is also increasingly extensively and serious, threatens the health and safety of the mankind.Therefore, it is right
For environmental protection, the process of industrial wastewater is more even more important than the process of municipal sewage.
Existing industrial wastewater defecator haves the shortcomings that to filter complexity, filters insufficient, filtration not environmentally, therefore urgently
The environmental protection industry wastewater filtering device that a kind of filtration is simple, filtration is abundant, filtration is environmentally friendly need to be researched and developed.
Utility model content
(1) technical problem to be solved
This utility model filters complexity, filters insufficient, filtration to overcome existing industrial wastewater defecator to exist
Shortcoming not environmentally, the technical problems to be solved in the utility model be to provide it is a kind of filter it is simple, filter fully, filter environmental protection
Environmental protection industry wastewater filtering device.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides the industrial wastewater filtering device of such a environmental protection,
Include base, waste water tank, filter screen, steel wire rope, feed pipe, bearing block, cylinder, swing seat, swing arm, top board, the first slide rail,
First slide block, movable frame, the second slide block, the first tooth bar, reducing motor, pole, the first spring, sector gear, the second slide rail,
One gear, the second tooth bar, bull stick, support and frame；Base top left side is provided with waste water tank, and waste water tank left upper portion is provided with charging
Pipe, is provided with filter screen in waste water tank, the filter screen left and right sides respectively with waste water tank left and right sides interior contact, filter screen bottom and waste water tank
The first spring is symmetrically connected between the left and right sides of bottom, waste water tank right hand top is provided with support, and base top right side symmetrically sets
There is the second slide rail, the second slide block is equipped with the second slide rail, movable frame is provided between the slide block of the left and right sides second, mobile inframe is left
The right side is symmetrically arranged on two with the first tooth bar, and frame is provided with reducing motor, and reducing motor rear side is provided with sector gear, sector gear with
The tooth bar of the left and right sides first is engaged, and base top is provided with top board, and top board bottom is sequentially provided with from left to right bearing block, swing seat
With the first slide rail, bearing block is provided with bull stick, and bull stick is provided with cylinder, and the cylinder left and right sides is wound with steel wire rope, steel wire rope
Direction of winding is identical, and steel cord ends are connected respectively with the filter screen left and right sides, and swing seat bottom is hingedly connected with swing arm, swings
Bar left end is hingedly connected with pole, and pole middle part is articulated and connected with support left side, and pole bottom is located in waste water tank, the first slide rail
Left side is provided with the first slide block, and the first slider bottom is connected with movable frame top, and the first slide block left side is provided with the second tooth bar, swing arm
Right-hand member is articulated and connected with the second tooth bar top, and frame is provided with first gear, and first gear is engaged with the second tooth bar, bull stick end
It is connected with first gear.
Preferably, roller, bracing wire, iron block and second spring are also included, base top right side is provided with roller, and roller is located at
The underface of movable frame, waste water tank bottom right side is arranged with second spring, and second spring end is connected with iron block, iron block right side
With waste water tank bottom right contact, iron block right side is provided with bracing wire, and bracing wire bypasses roller and is connected with frame bottom is moved.
Preferably, stirring vane is also included, pole bottom is evenly provided with aperture, and pole bottom is provided with stirring vane.
Preferably, vibrator is also included, vibrator is located at waste water tank right side central, and vibrator and waste water tank are detachable
Connection.
Preferably, base material is HT200.
Preferably, waste water tank material is rustless steel.
Operation principle：When needing to filter industrial wastewater, inject into waste water tank appropriate useless from feed pipe
Water, is opened manually reducing motor, is allowed to rotate counterclockwise, and drives sector gear to rotate counterclockwise, because sector gear and left side
First tooth bar is engaged, and sector gear turns to drive the first tooth bar of left side to move down counterclockwise, drives movable frame to move down, and drives
First slide block is moved down, and drives the second tooth bar to move down, and the second tooth bar drives pole by the effect of swing arm and support
Swing to the left, stir industrial wastewater, mix waste water impurity, be easy to filter, the second tooth bar drives first while moving down
Gear is rotated clockwise, and drives cylinder to rotate clockwise, and withdraws bracing wire, and band electric filter is moved up, and the first spring is in stretching
State, when sector gear is rotated to a certain extent, sector gear is engaged with the tooth bar of right side first, and sector gear is rotated counterclockwise
Drive the first tooth bar of right side to move up, drive movable frame to move up, drive the first slide block to move up, drive the second tooth bar
Move up, the second tooth bar drives pole to swing to the right by the effect of swing arm and support, stirs industrial wastewater, makes waste water miscellaneous
Matter further mixes, and drives first gear to rotate counterclockwise while the second tooth bar is moved up, and drives cylinder to rotate counterclockwise,
Bracing wire is released, filter screen is moved down and shaken under the elastic force effect of the first spring, reducing motor is rotated counterclockwise always, band
Dynamic pole constantly swings stirring waste water, is sufficiently mixed waste water, abundant filtered wastewater, after waste water is fully filtered, receives
Waste water after collection filtration, takes out the rubbish on filter screen, closes reducing motor.
Because also including roller, bracing wire, iron block and second spring, base top right side is provided with roller, and roller is located at and moves
The underface of dynamic frame, waste water tank bottom right side is arranged with second spring, and second spring end is connected with iron block, iron block left side with
Waste water tank bottom right contact, iron block right side is provided with bracing wire, and bracing wire bypasses roller and is connected with mobile frame bottom, and movable frame is moved upwards
When dynamic, iron block is driven to move right, second spring is in extended state, when movable frame is moved down, in the elastic force of second spring
Under effect, iron block is moved to the left shock waste water tank, mixes the waste water in waste water tank.
Because also including stirring vane, pole bottom is evenly provided with aperture, and pole bottom is provided with stirring vane, pole
Drive stirring vane to swing when swinging, stir waste water, waste water is more preferably filtered, pole bottom is provided with aperture can
To reduce the resistance that pole swings in waste water.
Because also including vibrator, vibrator is located at waste water tank right side central, and vibrator is detachably to connect with waste water tank
Connect, when reducing motor is rotated, open vibrator, vibrator drives waste water tank vibration, mixes industrial wastewater, in reducing motor
During closing, vibrator is closed.
It is intensity, wearability, thermostability, damping good because base material is HT200, fixation can be preferably played,
Validity period limit for length.
Because waste water tank material is rustless steel, anticorrosive, antioxidation, it is difficult to get rusty, validity period limit for length is cost-effective.
(3) beneficial effect
Filtration that this utility model has reached is simple, filter fully, filter the effect of environmental protection, being filtered using this device can be
The fine filtration of comparison is completed in the shorter time, can be time-consuming, it is cost-effective, reach maximizing the benefits.
Description of the drawings
Fig. 1 is the first main structure diagram of the present utility model.
Fig. 2 is second main structure diagram of the present utility model.
Fig. 3 is the third main structure diagram of the present utility model.
Fig. 4 is the 4th kind of main structure diagram of the present utility model.
Labelling in accompanying drawing for：1- bases, 2- waste water tanks, 3- filter screens, 4- steel wire ropes, 5- feed pipes, 6- bearing blocks, 7- rollings
Cylinder, 8- swing seats, 9- swing arms, 10- top boards, the slide rails of 11- first, the slide blocks of 12- first, 13- movable frames, the slide blocks of 14- second,
The tooth bars of 15- first, 16- reducing motors, 17- poles, the springs of 18- first, 19- sector gears, the slide rails of 20- second, the teeth of 21- first
Wheel, the tooth bars of 22- second, 23- bull sticks, 24- supports, 25- rollers, 26- bracing wires, 27- iron blocks, 28- second springs, 29- apertures,
30- stirring vanes, 31- vibrators.
Specific embodiment
This utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1
A kind of environmental protection as Figure 1-4, includes base 1, waste water tank 2, filter screen 3, steel wire with industrial wastewater filtering device
Rope 4, feed pipe 5, bearing block 6, cylinder 7, swing seat 8, swing arm 9, top board 10, the first slide rail 11, the first slide block 12, movable frame
13rd, the second slide block 14, the first tooth bar 15, reducing motor 16, pole 17, the first spring 18, sector gear 19, the second slide rail 20,
First gear 21, the second tooth bar 22, bull stick 23, support 24 and frame；The top left side of base 1 is provided with waste water tank 2, and waste water tank 2 is left
Upper lateral part is provided with feed pipe 5, is provided with filter screen 3 in waste water tank 2, the left and right sides of filter screen 3 respectively with connect inside the left and right sides of waste water tank 2
Touch, the first spring 18 is symmetrically connected between the bottom of filter screen 3 and the bottom left and right sides of waste water tank 2, the right hand top of waste water tank 2 is provided with
Support 24, the top right side of base 1 is arranged with the second slide rail 20, and the second slide block 14, the left and right sides are equipped with the second slide rail 20
Movable frame 13 is provided between second slide block 14, the left and right sides is arranged with the first tooth bar 15 in movable frame 13, frame is provided with and subtracts
Speed motor 16, the rear side of reducing motor 16 is provided with sector gear 19, and sector gear 19 is engaged with the first tooth bar of the left and right sides 15, bottom
The top of seat 1 is provided with top board 10, and the bottom of top board 10 is sequentially provided with from left to right bearing block 6, the slide rail 11 of swing seat 8 and first, bearing
Seat 6 is provided with bull stick 23, and bull stick 23 is provided with cylinder 7, and the left and right sides of cylinder 7 is wound with steel wire rope 4, the coiling side of steel wire rope 4
To identical, the end of steel wire rope 4 is connected respectively with the left and right sides of filter screen 3, and the bottom of swing seat 8 is hingedly connected with swing arm 9, swing arm
9 left ends are hingedly connected with pole 17, and the middle part of pole 17 is articulated and connected with the left side of support 24, and the bottom of pole 17 is located in waste water tank 2,
The left side of first slide rail 11 is provided with the first slide block 12, and the bottom of the first slide block 12 is connected with the top of movable frame 13, the left side of the first slide block 12
It is provided with the second tooth bar 22, the right-hand member of swing arm 9 and the top of the second tooth bar 22 are articulated and connected, frame is provided with first gear 21, first
Gear 21 is engaged with the second tooth bar 22, and the end of bull stick 23 is connected with first gear 21.
Roller 25, bracing wire 26, iron block 27 and second spring 28 are also included, the top right side of base 1 is provided with roller 25, roller
25 underfaces for being located at movable frame 13, the bottom of waste water tank 2 right side is arranged with second spring 28, and the end of second spring 28 is connected with
Iron block 27, the right side of iron block 27 and the bottom right contact of waste water tank 2, the right side of iron block 27 is provided with bracing wire 26, and bracing wire 26 bypasses roller 25
It is connected with the bottom of movable frame 13.
Stirring vane 30 is also included, the bottom of pole 17 is evenly provided with aperture 29, and the bottom of pole 17 is provided with stirring vane
30。
Vibrator 31 is also included, vibrator 31 is located at the right side central of waste water tank 2, and vibrator 31 is removable with waste water tank 2
Unload connection.
The material of base 1 is HT200.
The material of waste water tank 2 is rustless steel.
Operation principle：When needing to filter industrial wastewater, inject appropriate into waste water tank 2 from feed pipe 5
Waste water, is opened manually reducing motor 16, is allowed to rotate counterclockwise, and drives sector gear 19 to rotate counterclockwise, because sector gear
19 engage with the first tooth bar of left side 15, and sector gear 19 turns to drive the first tooth bar 15 of left side to move down counterclockwise, drives movement
Frame 13 is moved down, and drives the first slide block 12 to move down, and drives the second tooth bar 22 to move down, and the second tooth bar 22 is by swinging
The effect of bar 9 and support 24 drives pole 17 to swing to the left, stirs industrial wastewater, mixes waste water impurity, is easy to filter, second
Drive first gear 21 to rotate clockwise while tooth bar 22 is moved down, drive cylinder 7 to rotate clockwise, withdraw bracing wire 26,
Band electric filter 3 is moved up, and the first spring 18 is in extended state, when sector gear 19 is rotated to a certain extent, sector
Wheel 19 is engaged with the first tooth bar of right side 15, and sector gear 19 rotates counterclockwise the first tooth bar 15 of drive right side and moves up, and drives
Movable frame 13 is moved up, and drives the first slide block 12 to move up, and drives the second tooth bar 22 to move up, and the second tooth bar 22 passes through
The effect of swing arm 9 and support 24 drives pole 17 to swing to the right, stirs industrial wastewater, waste water impurity is further mixed, the
Drive first gear 21 to rotate counterclockwise while two tooth bars 22 are moved up, drive cylinder 7 to rotate counterclockwise, release bracing wire
26, filter screen 3 is moved down and shaken under the elastic force effect of the first spring 18, reducing motor 16 is rotated counterclockwise always, band
Dynamic pole 17 constantly swings stirring waste water, is sufficiently mixed waste water, abundant filtered wastewater, after waste water is fully filtered,
The waste water after filtering is collected, the rubbish on filter screen 3 is taken out, reducing motor 16 is closed.
Because also including roller 25, bracing wire 26, iron block 27 and second spring 28, the top right side of base 1 is provided with roller 25,
Roller 25 is located at the underface of movable frame 13, and the bottom of waste water tank 2 right side is arranged with second spring 28, and the end of second spring 28 connects
Iron block 27, the left side of iron block 27 and the bottom right contact of waste water tank 2 are connected to, the right side of iron block 27 is provided with bracing wire 26, and bracing wire 26 bypasses rolling
Wheel 25 is connected with the bottom of movable frame 13, when movable frame 13 is moved up, drives iron block 27 to move right, and second spring 28 is in drawing
State is stretched, when movable frame 13 is moved down, under the elastic force effect of second spring 28, iron block 27 is moved to the left shock waste water tank 2,
Mix the waste water in waste water tank 2.
Because also including stirring vane 30, the bottom of pole 17 is evenly provided with aperture 29, and the bottom of pole 17 is provided with stirring
Blade 30, drives stirring vane 30 to swing when pole 17 swings, stir waste water, waste water is more preferably filtered,
The bottom of bar 17 is provided with aperture 29 and can reduce the resistance that pole 17 swings in waste water.
Because also including vibrator 31, vibrator 31 is located at the right side central of waste water tank 2, and vibrator 31 is with waste water tank 2
It is detachably connected, when reducing motor 16 is rotated, opens vibrator 31, vibrator 31 drives waste water tank 2 to vibrate, makes industrial wastewater
Mixing, when reducing motor 16 is closed, closes vibrator 31.
It is intensity, wearability, thermostability, damping good because the material of base 1 is HT200, can preferably play fixed work
With validity period limit for length.
Because the material of waste water tank 2 is rustless steel, anticorrosive, antioxidation, it is difficult to get rusty, validity period limit for length is cost-effective.
Embodiment described above only expresses preferred implementation of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the inventive concept of the premise, some deformations, improvement can also be made and substituted, these are all
Belong to protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be defined by claims.
Claims (6)
1. a kind of environmental protection is with industrial wastewater filtering device, it is characterised in that include base (1), waste water tank (2), filter screen (3),
Steel wire rope (4), feed pipe (5), bearing block (6), cylinder (7), swing seat (8), swing arm (9), top board (10), the first slide rail
(11), the first slide block (12), movable frame (13), the second slide block (14), the first tooth bar (15), reducing motor (16), pole (17),
First spring (18), sector gear (19), the second slide rail (20), first gear (21), the second tooth bar (22), bull stick (23),
Frame (24) and frame；Base (1) top left side is provided with waste water tank (2), and waste water tank (2) left upper portion is provided with feed pipe (5), waste water
Be provided with filter screen (3) in case (2), filter screen (3) left and right sides respectively with waste water tank (2) left and right sides interior contact, filter screen (3) bottom
The first spring (18) is symmetrically connected between waste water tank (2) the bottom left and right sides, waste water tank (2) right hand top is provided with support
(24), base (1) top right side is arranged with the second slide rail (20), and the second slide block (14) is equipped with the second slide rail (20), left
Movable frame (13) is provided between the slide block of right both sides second (14), the interior left and right sides of movable frame (13) is arranged with the first tooth bar
(15), frame is provided with reducing motor (16), and reducing motor (16) rear side is provided with sector gear (19), sector gear (19) and a left side
The tooth bar of right both sides first (15) are engaged, and base (1) top is provided with top board (10), and top board (10) bottom is sequentially provided with from left to right
Bearing block (6), swing seat (8) and the first slide rail (11), bearing block (6) is provided with bull stick (23), and bull stick (23) is provided with cylinder
(7), cylinder (7) left and right sides is wound with steel wire rope (4), and the direction of winding of steel wire rope (4) is identical, steel wire rope (4) end difference
It is connected with filter screen (3) left and right sides, swing seat (8) bottom is hingedly connected with swing arm (9), swing arm (9) left end is articulated and connected
There is pole (17), pole (17) middle part is articulated and connected with support (24) left side, and pole (17) bottom is located in waste water tank (2), the
One slide rail (11) left side is provided with the first slide block (12), and the first slide block (12) bottom is connected with movable frame (13) top, the first slide block
(12) left side is provided with the second tooth bar (22), is articulated and connected at the top of swing arm (9) right-hand member and the second tooth bar (22), and frame is provided with the
One gear (21), first gear (21) is engaged with the second tooth bar (22), and bull stick (23) end is connected with first gear (21).
2. it is according to claim 1 a kind of environmentally friendly with industrial wastewater filtering device, it is characterised in that also to include roller
(25), bracing wire (26), iron block (27) and second spring (28), base (1) top right side is provided with roller (25), and roller (25) is located at
The underface of movable frame (13), waste water tank (2) bottom right side is arranged with second spring (28), the connection of second spring (28) end
There are iron block (27), iron block (27) right side and waste water tank (2) bottom right contact, iron block (27) right side is provided with bracing wire (26), bracing wire
(26) bypass roller (25) to be connected with movable frame (13) bottom.
3. it is according to claim 1 a kind of environmentally friendly with industrial wastewater filtering device, it is characterised in that also to include paddle
Piece (30), pole (17) bottom is evenly provided with aperture (29), and pole (17) bottom is provided with stirring vane (30).
4. it is according to claim 1 a kind of environmentally friendly with industrial wastewater filtering device, it is characterised in that also to include vibrator
(31), vibrator (31) is located at waste water tank (2) right side central, and vibrator (31) and waste water tank (2) are to be detachably connected.
5. a kind of environmental protection according to claim 1 is with industrial wastewater filtering device, it is characterised in that base (1) material is
HT200。
6. it is according to claim 1 a kind of environmentally friendly with industrial wastewater filtering device, it is characterised in that waste water tank (2) material
For rustless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621095096.5U CN206138844U (en) | 2016-09-30 | 2016-09-30 | Industrial waste water filter equipment for environmental protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621095096.5U CN206138844U (en) | 2016-09-30 | 2016-09-30 | Industrial waste water filter equipment for environmental protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206138844U true CN206138844U (en) | 2017-05-03 |
Family
ID=58621569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621095096.5U Expired - Fee Related CN206138844U (en) | 2016-09-30 | 2016-09-30 | Industrial waste water filter equipment for environmental protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206138844U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963042A (en) * | 2017-05-11 | 2017-07-21 | 湖州练市前卫鞋业有限公司 | A kind of shoes processing quick flattening device of sole |
| CN106963040A (en) * | 2017-05-05 | 2017-07-21 | 湖州娇斯登鞋业有限公司 | A kind of leather shoes processing efficient flattening apparatus of sole |
| CN107318814A (en) * | 2017-07-28 | 2017-11-07 | 缪智航 | A kind of a wide range of pestsides synthesis flusher |
| CN108190977A (en) * | 2018-01-06 | 2018-06-22 | 南昌浩牛科技有限公司 | A kind of existing medical waste water processing mode experimental facilities |
| CN108404493A (en) * | 2018-04-25 | 2018-08-17 | 宁波鄞州义旺电子科技有限公司 | A kind of wastewater treatment equipment |
| CN112495044A (en) * | 2020-12-02 | 2021-03-16 | 杜锦超 | Metal composition filtering device in sewage of grinding workshop |
| CN112619260A (en) * | 2020-12-30 | 2021-04-09 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Centrifugal filtering device for machine tool cutting fluid |
-
2016
- 2016-09-30 CN CN201621095096.5U patent/CN206138844U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963040A (en) * | 2017-05-05 | 2017-07-21 | 湖州娇斯登鞋业有限公司 | A kind of leather shoes processing efficient flattening apparatus of sole |
| CN106963042A (en) * | 2017-05-11 | 2017-07-21 | 湖州练市前卫鞋业有限公司 | A kind of shoes processing quick flattening device of sole |
| CN107318814A (en) * | 2017-07-28 | 2017-11-07 | 缪智航 | A kind of a wide range of pestsides synthesis flusher |
| CN108190977A (en) * | 2018-01-06 | 2018-06-22 | 南昌浩牛科技有限公司 | A kind of existing medical waste water processing mode experimental facilities |
| CN108404493A (en) * | 2018-04-25 | 2018-08-17 | 宁波鄞州义旺电子科技有限公司 | A kind of wastewater treatment equipment |
| CN112495044A (en) * | 2020-12-02 | 2021-03-16 | 杜锦超 | Metal composition filtering device in sewage of grinding workshop |
| CN112619260A (en) * | 2020-12-30 | 2021-04-09 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Centrifugal filtering device for machine tool cutting fluid |
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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: 20170503 Termination date: 20180930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |