CN208532425U - A kind of glass cleaning effluent settling chamber - Google Patents

A kind of glass cleaning effluent settling chamber Download PDF

Info

Publication number
CN208532425U
CN208532425U CN201820741959.4U CN201820741959U CN208532425U CN 208532425 U CN208532425 U CN 208532425U CN 201820741959 U CN201820741959 U CN 201820741959U CN 208532425 U CN208532425 U CN 208532425U
Authority
CN
China
Prior art keywords
water
filtration pond
cabinet
settling chamber
glass cleaning
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.)
Expired - Fee Related
Application number
CN201820741959.4U
Other languages
Chinese (zh)
Inventor
刘雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Ruiheng Changda Technology Research And Development Co Ltd
Original Assignee
Beijing Ruiheng Changda Technology Research And Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Ruiheng Changda Technology Research And Development Co Ltd filed Critical Beijing Ruiheng Changda Technology Research And Development Co Ltd
Priority to CN201820741959.4U priority Critical patent/CN208532425U/en
Application granted granted Critical
Publication of CN208532425U publication Critical patent/CN208532425U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Sewage (AREA)

Abstract

The utility model discloses a kind of glass cleaning effluent settling chambers, including cabinet, the bottom of the cabinet is equipped with absorption layer, the partition that the cabinet is separated into by-pass filtration pond, secondary filtration pond and three-stage filtration pond is vertically arranged in the cabinet, water-flowing trough is offered on the partition respectively, the height of the water-flowing trough is different;The by-pass filtration pond is communicated with water-supply-pipe far from the side of the partition, the side opposite with the water-supply-pipe is equipped with suction pump on the three-stage filtration pond, it is connected between the water inlet of the suction pump and the three-stage filtration pond by water inlet pipe, the water outlet of the suction pump is communicated with outlet pipe;Position in the by-pass filtration pond and above the water-supply-pipe is provided with filter screen.The utility model has the advantages that can handle the glass residue etc. in waste water, in order to the recycling of water.

Description

A kind of glass cleaning effluent settling chamber
Technical field
The utility model relates to a kind of sedimentation basin, in particular to a kind of glass cleaning effluent settling chamber.
Background technique
Glass has many advantages, such as good translucency, and the glass by special processing also has intensity height, good heat preservation performance, because This is widely used in all trades and professions.The processing of glass is broadly divided into selection, cutting, edging, cleaning, tempering plus the glue of former piece Deng wherein carrying out edging operation to glass is very important a link.
When usually carrying out edging to glass, a large amount of glass residue, clast and powder can be generated, it is therefore desirable to utilize cleaning Equipment cleans the waste material on glass, but most of cleaning equipment does not locate the waste water after cleaning effectively Reason, but whole equipment and mechanism directly is discharged in waste water, waste not only is caused to water resource, while also making to ambient enviroment At pollution.
Utility model content
The purpose of the utility model is to provide a kind of glass cleaning effluent settling chambers, its advantage is that can be in waste water Glass residue etc. is handled, in order to the recycling of water.
It is useless that the above-mentioned technical purpose of the utility model has the technical scheme that a kind of glass cleaning is used Water sedimentation pond, including cabinet, the bottom of the cabinet are equipped with absorption layer, are vertically arranged in the cabinet by the cabinet point It is divided into the partition in by-pass filtration pond, secondary filtration pond and three-stage filtration pond, offers water-flowing trough on the partition respectively, it is described logical The height of sink is different;
The by-pass filtration pond is communicated with water-supply-pipe far from the side of the partition, on the three-stage filtration pond with it is described defeated The opposite side of water pipe is equipped with suction pump, is connected between the water inlet of the suction pump and the three-stage filtration pond by water inlet pipe Logical, the water outlet of the suction pump is communicated with outlet pipe;
Position in the by-pass filtration pond and above the water-supply-pipe is provided with filter screen.
Through the above technical solutions, waste water is delivered in by-pass filtration pond by water-supply-pipe when handling waste water, Absorption layer adsorbs glass residue, the clast etc. in waste water, with the lasting input of waste water, glass residue, clast etc. with Water flow rises, and until colliding on filter screen, falls after rise to the bottom in by-pass filtration pond, with increasing for water level, waste water is along water flowing Slot sequentially enters in secondary filtration pond and three-stage filtration pond and carries out multistage filtering, finally by suction pump by filtered water, again It extracts, in injection cleaning equipment, to realize recycling for water.
The setting of partition, for playing certain barrier to being delivered to the intracorporal waste water of case, to avoid due to case The water flow of body bottom is excessive, and the glass chip adsorbed in absorption layer is caused to be rolled by water flow, influences the adsorption effect of absorption layer; The different setting of water-flowing trough height is delivered to the fluctuation up and down of the intracorporal waste water of case for making, to effectively make glass chip etc. Waste precipitate is simultaneously adsorbed pad absorption.
The utility model is further arranged to: auxiliary adsorption section is rotatably connected between the cell wall of the water-flowing trough, it is described Auxiliary adsorption section includes the shaft being rotationally connected between two cell walls of the water-flowing trough along its length, is fixed in described turn Rotating roller on axis and the adsorbent material being arranged in the rotating roller.
Through the above technical solutions, driving rotating roller rotation when waste water flows through water-flowing trough, rotating roller can while rotation To be adsorbed to the glass powder in waste water, to be further filtered to waste water.
The utility model is further arranged to: flip piece is equipped between the by-pass filtration pond and the filter screen, it is described Flip piece is framework, and one side is equipped with opening, and the inner sidewall of the flip piece is equipped with the groove for the filter screen grafting, institute Groove is stated to be in U-shape;
Side of the flip piece far from opening is hinged by hinge and by-pass filtration pond inner wall, the by-pass filtration The side that pond inner wall corresponds to the opening of the flip piece is connected with for the flip piece overlapped bearing plate.
Through the above technical solutions, the setting of flip piece, installs filter screen convenient for staff, fixes and tears open It unloads, when filter screen is installed, is plugged in the groove of flip piece, rotate flip piece, the one end for making it be equipped with opening is overlapped on On bearing plate.
The utility model is further arranged to: limit assembly, the limit assembly packet are slidably connected on the bearing plate It includes pressing plate and is vertically fixed in the side plate at the pressing plate both ends;
The side plate is connected with T-type sliding block far from one end of the pressing plate, and the T-type sliding block is corresponded on the bearing plate Position offers the T-type sliding slot slided for the T-type sliding block to be limited to the flip piece respectively.
Through the above technical solutions, sliding limit assembly after flip piece is overlapped on bearing plate, side plate being made to be located at flip piece Two sides, pressing plate is located at the top of flip piece, flip piece compressed, to complete to fix the limit of flip piece.
The utility model is further arranged to: the water-flowing trough in the by-pass filtration pond is located at the top of the filter screen.
Through the above technical solutions, waste water is after the filtering of filter screen, then by water-flowing trough sequentially enter secondary filtration pond and In three-stage filtration pond, and a large amount of glass residue can be then collected in by-pass filtration pond.
The utility model is further arranged to: the two sides that the two sides of the box house correspond to the partition offer respectively Sliding slot, the partition are plugged in the sliding slot.
Through the above technical solutions, being the setting of grafting between partition and cabinet, partition is taken out convenient for staff, from And auxiliary adsorption section is cleared up.
The utility model is further arranged to: being located at the position below the water-supply-pipe in the by-pass filtration pond and is provided with Collection frame, the collection frame are welded by framework and wire netting.
Through the above technical solutions, being fallen into collection frame when glass residue, clast etc. are fallen after rise by the obstruction of filter screen It is collected.
The utility model is further arranged to: the two sides of the collection frame are connected with handle, the by-pass filtration pond it is interior Wall is respectively and fixedly connected with the arc-shaped workpiece hooked for the handle.
Through the above technical solutions, staff holds handle and lifts collection frame when collection frame needs to clear up, put to Specified region, the setting of handle and arc-shaped workpiece operate convenient for staff.
The utility model is further arranged to: the material of the absorption layer is cotton pad, and it is living between the cabinet Dynamic connection.
Through the above technical solutions, the soft and adsorptivity of cotton pad is preferable, glass residue, clast etc. can be carried out Preferably absorption;The setting of flexible connection is dismantled and is cleared up convenient for staff.
The utility model is further arranged to: the four corners of the cabinet lower surface are separately installed with self-locking trundle.
Through the above technical solutions, the setting of self-locking trundle, allows to be moved according to the needs of users, so as to It is connected in from different cleaning equipments.
In conclusion the utility model has the following beneficial effects:
1, the setting in by-pass filtration pond, secondary filtration pond and three-stage filtration pond can carry out multistep treatment to waste water, to useless Glass residue, clast in water etc. are filtered, while can be extracted again filtered water and be injected in cleaning equipment, thus Realize recycling for water;
2, the setting for assisting adsorption section for adsorbing to the glass powder in waste water, and further carries out waste water Filtering;
3, the setting of flip piece is installed filter screen convenient for staff, fixes and is dismantled;
4, the setting of collection frame is collected glass residue, clast convenient for staff.
Detailed description of the invention
Fig. 1 is the overall structure diagram of effluent settling chamber;
Fig. 2 is to embody auxiliary adsorption section structural schematic diagram;
Fig. 3 is the cross-sectional view for embodying by-pass filtration pond internal structure;
Fig. 4 is the structural schematic diagram for embodying flip piece;
Fig. 5 is the structural schematic diagram for embodying limit assembly;
Fig. 6 is the structural schematic diagram for embodying collection frame.
In figure, 1, cabinet;11, water-supply-pipe;12, suction pump;13, water inlet pipe;14, outlet pipe;15, self-locking trundle;16, one Grade filtering ponds;17, secondary filtration pond;18, three-stage filtration pond;19, sliding slot;2, absorption layer;3, partition;31, water-flowing trough;4, it assists Adsorption section;41, shaft;42, rotating roller;43, adsorbent material;5, filter screen;6, flip piece;61, it is open;62, groove;7, it accepts Plate;71, T-type sliding slot, 8, limit assembly;81, pressing plate;82, side plate;83, T-type sliding block;9, collection frame;91, handle;92, arc Part.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "upper", "lower", " bottom Face " and " top surface " refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from particular elements geometry The direction at center.
Embodiment: a kind of glass cleaning effluent settling chamber, as shown in Figure 1, including cabinet 1, the bottom of cabinet 1 is equipped with Absorption layer 2 is flexibly connected between cabinet 1, in order to dismantle and clear up, the setting of absorption layer 2, for in waste water Glass residue, clast etc. are adsorbed, and 2 material of absorption layer is cotton pad, and the soft and adsorptivity of cotton pad is preferable, can be to glass Glass residue, clast etc. are preferably adsorbed.The side of cabinet 1 is communicated with water-supply-pipe 11, the other end of water-supply-pipe 11 and cleaning Equipment connection, waste water can be delivered in cabinet 1 by water-supply-pipe 11 and is filtered, and the other side of cabinet 1 is equipped with suction pump 12, it is connected between the water inlet and cabinet 1 of suction pump 12 by water inlet pipe 13, the water outlet of suction pump 12 is communicated with outlet pipe 14, the other end of outlet pipe 14 is connected to cleaning equipment, for filtered water to be delivered in cleaning equipment, in order to water It is recycled.
The four corners of 1 lower surface of cabinet are separately installed with self-locking trundle 15, allow to carry out according to the needs of users It is mobile, in order to be connected from different cleaning equipments.
As shown in Figure 1, by-pass filtration pond 16, secondary filtration pond 17 will be separated by being vertically arranged in cabinet 1 inside cabinet 1 With the partition 3 in three-stage filtration pond 18, the setting of partition 3, for playing the work of certain barrier to the waste water being delivered in cabinet 1 With to avoid the water flow due to 1 bottom of cabinet excessive, and the glass chip adsorbed in absorption layer 2 being caused to be rolled by water flow, shadow Ring the adsorption effect of absorption layer 2.
Water-supply-pipe 11 is connected to side of the by-pass filtration pond 16 far from partition 3, and suction pump 12 is mounted on three-stage filtration pond 18 The side opposite with water-supply-pipe 11 is gone up, water-flowing trough 31 is offered respectively on partition 3, for being connected to each filtering ponds.Water-flowing trough 31 Height it is different, for fluctuating the waste water being delivered in cabinet 1 up and down, to effectively make the waste materials such as glass chip heavy It forms sediment and is adsorbed the absorption of pad 2.
As shown in Fig. 2, being rotatably connected to auxiliary adsorption section 4 between the cell wall of water-flowing trough 31, auxiliary adsorption section 4 includes rotation It is connected to the shaft 41 between two cell walls of water-flowing trough 31 along its length, the rotating roller 42 being fixed in shaft 41 and sets The adsorbent material 43 in rotating roller 42 is set, when waste water flows through water-flowing trough 31, rotating roller 42 is driven to rotate, rotating roller 42 rotates While the glass powder in waste water can be adsorbed, to be further filtered to waste water.As shown in Figure 1, cabinet 1 The two sides that internal two sides correspond to partition 3 offer sliding slot 19 respectively, and partition 3 is plugged in sliding slot 19, above-mentioned setting, are convenient for work Make personnel to take out partition 3, and auxiliary adsorption section 4 is cleared up.
As shown in figure 3, being provided with filter screen 5 in by-pass filtration pond 16, it is located at water-supply-pipe 11 and water-flowing trough 31(is shown in Fig. 1) Between, for plaing a part of to hinder to glass residue, clast etc., makes it when rising with water flow and colliding on filter screen 5, return Drop down onto the bottom in by-pass filtration pond 16.Flip piece 6 is equipped between by-pass filtration pond 16 and filter screen 5, convenient for staff to mistake Strainer 5 is installed, fixed and is dismantled, and as shown in Figure 3 and Figure 4, flip piece 6 is framework, and one side is equipped with opening 61, overturning The inner sidewall of part 6 is equipped with groove 62 for 5 grafting of filter screen, being in U-shape, and flip piece 6 passes through hinge far from the side of opening 61 Hinged with 16 inner wall of by-pass filtration pond, the side that 16 inner wall of by-pass filtration pond corresponds to the opening 61 of flip piece 6 is connected with for overturning Overlapped the bearing plate 7 of part 6.
As shown in figure 5, limit assembly 8 is slidably connected on bearing plate 7, for seeing Fig. 3 to flip piece 6() limit admittedly Fixed, limit assembly 8 includes pressing plate 81 and is vertically fixed in the side plate 82 at 81 both ends of pressing plate, the one of separate pressing plate 81 on side plate 82 End be connected with T-type sliding block 83, correspond on bearing plate 7 the T-type sliding block 83 position offer respectively for T-type sliding block 83 sliding with The T-type sliding slot 71 that flip piece 6 is limited.
As shown in Figure 3 and Figure 5, it when filter screen 5 is installed, is plugged in the groove 62 of flip piece 6, rotates flip piece 6, The one end for making it be equipped with opening 61 is overlapped on bearing plate 7, slides limit assembly 8, side plate 82 is made to be located at the two sides of flip piece 6, Pressing plate 81 is located at the top of flip piece 6, and flip piece 6 is compressed, to complete to fix the limit of flip piece 6.
As shown in Figure 3 and Figure 6, the position in by-pass filtration pond 16 positioned at 11 lower section of water-supply-pipe is provided with collection frame 9, collects Frame 9 is welded by framework and wire netting, when glass residue, clast etc. are fallen after rise by the obstruction of filter screen 5, falls into collection frame It is collected in 9, the two sides of collection frame 9 are connected with handle 91, and the inner wall in by-pass filtration pond 16 has been respectively and fixedly connected with to be hooked for handle 91 Arc-shaped workpiece 92, when collection frame 9 needs to clear up, staff holds handle 91 and lifts collection frame 9, puts to specified region i.e. It can.
Waste water: when handling waste water, being delivered in by-pass filtration pond 16 by the course of work by water-supply-pipe 11, absorption Pad 2 once filters it, and with the lasting input of waste water, glass residue, clast etc. rise with water flow, until colliding On strainer 5, falling is collected into collection frame 9;With increasing for water level, waste water sequentially enters secondary filtration pond along water-flowing trough 31 17 and three-stage filtration pond 18 in, when waste water flows through water-flowing trough 31, drive rotating roller 42 rotate, rotating roller 42 rotate while can To be adsorbed to the glass powder in waste water, to be further filtered to waste water;The water finished is filtered, suction pump is passed through 12 are extracted, are injected into cleaning equipment.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (10)

1. a kind of glass cleaning effluent settling chamber, it is characterized in that: including cabinet (1), the bottom of the cabinet (1) is equipped with suction The cabinet (1) is separated into by-pass filtration pond (16), secondary filtration pond by attached pad (2), interior be vertically arranged with of the cabinet (1) (17) and the partition (3) of three-stage filtration pond (18), water-flowing trough (31), the water-flowing trough are offered respectively on the partition (3) (31) height is different;
The by-pass filtration pond (16) is communicated with water-supply-pipe (11) far from the side of the partition (3), the three-stage filtration pond (18) side opposite with the water-supply-pipe (11) is equipped with suction pump (12) on, the water inlet of the suction pump (12) with it is described It is connected between three-stage filtration pond (18) by water inlet pipe (13), the water outlet of the suction pump (12) is communicated with outlet pipe (14);
Position in the by-pass filtration pond (16) and above the water-supply-pipe (11) is provided with filter screen (5).
2. a kind of glass cleaning effluent settling chamber according to claim 1, it is characterized in that: the slot of the water-flowing trough (31) Auxiliary adsorption section (4) is rotatably connected between wall, the auxiliary adsorption section (4) includes being rotationally connected with the water-flowing trough (31) edge Shaft (41) between two cell walls of its length direction, the rotating roller (42) being fixed on the shaft (41) and it is arranged in institute State the adsorbent material (43) on rotating roller (42).
3. a kind of glass cleaning effluent settling chamber according to claim 1, it is characterized in that: the by-pass filtration pond (16) Flip piece (6) are equipped between the filter screen (5), the flip piece (6) is framework, and one side is equipped with opening (61), institute The inner sidewall for stating flip piece (6) is equipped with the groove (62) for supplying the filter screen (5) grafting, and the groove (62) is in U-shape;
Side of the flip piece (6) far from opening (61) is hinged by hinge and by-pass filtration pond (16) inner wall, described The side that by-pass filtration pond (16) inner wall corresponds to the opening (61) of the flip piece (6) is connected with to be overlapped for the flip piece (6) Bearing plate (7).
4. a kind of glass cleaning effluent settling chamber according to claim 3, it is characterized in that: sliding on the bearing plate (7) Dynamic to be connected with limit assembly (8), the limit assembly (8) includes pressing plate (81) and is vertically fixed in the pressing plate (81) both ends Side plate (82);
The side plate (82) is connected with T-type sliding block (83) far from the one end of the pressing plate (81), corresponds to institute on the bearing plate (7) The position for stating T-type sliding block (83) offers respectively to be slided to limit the flip piece (6) for the T-type sliding block (83) T-type sliding slot (71).
5. a kind of glass cleaning effluent settling chamber according to claim 1, it is characterized in that: the by-pass filtration pond (16) Water-flowing trough (31) be located at the top of the filter screen (5).
6. a kind of glass cleaning effluent settling chamber according to claim 1, it is characterized in that: the cabinet (1) inside The two sides that two sides correspond to the partition (3) offer sliding slot (19) respectively, and the partition (3) is plugged in the sliding slot (19).
7. a kind of glass cleaning effluent settling chamber according to claim 1, it is characterized in that: the by-pass filtration pond (16) The interior position below the water-supply-pipe (11) is provided with collection frame (9), and the collection frame (9) is welded by framework and wire netting It forms.
8. a kind of glass cleaning effluent settling chamber according to claim 7, it is characterized in that: the two of the collection frame (9) Side is connected with handle (91), and the inner wall of the by-pass filtration pond (16) is respectively and fixedly connected with the arc-shaped workpiece hooked for the handle (91) (92)。
9. a kind of glass cleaning effluent settling chamber according to claim 1, it is characterized in that: the material of the absorption layer (2) Matter is cotton pad, and it is flexibly connected between the cabinet (1).
10. a kind of glass cleaning effluent settling chamber according to claim 1, it is characterized in that: the cabinet (1) lower surface Four corners be separately installed with self-locking trundle (15).
CN201820741959.4U 2018-05-17 2018-05-17 A kind of glass cleaning effluent settling chamber Expired - Fee Related CN208532425U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820741959.4U CN208532425U (en) 2018-05-17 2018-05-17 A kind of glass cleaning effluent settling chamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820741959.4U CN208532425U (en) 2018-05-17 2018-05-17 A kind of glass cleaning effluent settling chamber

Publications (1)

Publication Number Publication Date
CN208532425U true CN208532425U (en) 2019-02-22

Family

ID=65393345

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820741959.4U Expired - Fee Related CN208532425U (en) 2018-05-17 2018-05-17 A kind of glass cleaning effluent settling chamber

Country Status (1)

Country Link
CN (1) CN208532425U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110496429A (en) * 2019-08-29 2019-11-26 常德哈罗自动化科技有限公司 A kind of intelligent self-cleaning water saving circulating flusher
CN112056204A (en) * 2020-09-14 2020-12-11 大农(苏州)农业科技有限公司 Groove type water culture device with drainage and residue filtering mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110496429A (en) * 2019-08-29 2019-11-26 常德哈罗自动化科技有限公司 A kind of intelligent self-cleaning water saving circulating flusher
CN110496429B (en) * 2019-08-29 2022-07-05 常德哈罗自动化科技有限公司 Intelligent self-cleaning water-saving circulating flushing device
CN112056204A (en) * 2020-09-14 2020-12-11 大农(苏州)农业科技有限公司 Groove type water culture device with drainage and residue filtering mechanism

Similar Documents

Publication Publication Date Title
CN205867718U (en) Cider filter
CN107962453A (en) Iron filings separation equipment in a kind of Dumpage type cutting fluid
CN208532425U (en) A kind of glass cleaning effluent settling chamber
CN211612090U (en) Dust collector for building
CN105645656B (en) A kind of industrial waste water purifying processing equipment
WO2024178863A1 (en) Sewage purification treatment apparatus capable of being prefabricated and assembled and using method
CN207957987U (en) A kind of recycle device of building waste water
CN112604347A (en) Large-particle pollutant filtering system
CN108545851A (en) A kind of gardens sewage recycling device
CN211435387U (en) Sludge discharge device for sewage treatment
CN210278440U (en) Energy-concerving and environment-protective waste residue filtration equipment
CN219783941U (en) Wastewater floccule filtering and purifying device
CN108314139A (en) A kind of oil removing skimmer device of sewage disposal
CN209602257U (en) A kind of rural domestic sewage treating device
CN112299623A (en) Mobile environment-friendly equipment capable of treating water pollution
CN216472308U (en) Sewage treatment case that sewage treatment used
CN208878058U (en) A kind of energy conservation and environmental protection building wastewater treatment equipment
CN207807427U (en) A kind of grinder waste liquid circulation retracting device
CN208660480U (en) It is a kind of can layered shaping sewage-treatment plant
CN207294367U (en) A kind of oil removing skimmer device for sewage treatment plant
CN206492289U (en) A kind of sanitary sewage disposal storage facilities
CN207330641U (en) A kind of quick processing equipment of plant effuent
CN207429946U (en) A kind of air dedusting purifier
CN206549297U (en) A kind of sponge road and parking lot water filtration device
CN105727671B (en) A kind of dust arrester in chemical pharmaceutical workshop

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190222

Termination date: 20200517