CN108609762A - A kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives - Google Patents

A kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives Download PDF

Info

Publication number
CN108609762A
CN108609762A CN201810764597.5A CN201810764597A CN108609762A CN 108609762 A CN108609762 A CN 108609762A CN 201810764597 A CN201810764597 A CN 201810764597A CN 108609762 A CN108609762 A CN 108609762A
Authority
CN
China
Prior art keywords
box
side wall
groove
treatment
wall
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.)
Withdrawn
Application number
CN201810764597.5A
Other languages
Chinese (zh)
Inventor
李广宇
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.)
Anji Ke Guang New Mstar Technology Ltd
Original Assignee
Anji Ke Guang New Mstar Technology 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 Anji Ke Guang New Mstar Technology Ltd filed Critical Anji Ke Guang New Mstar Technology Ltd
Priority to CN201810764597.5A priority Critical patent/CN108609762A/en
Publication of CN108609762A publication Critical patent/CN108609762A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/01Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
    • B01D33/03Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
    • B01D33/0346Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements
    • B01D33/0353Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements self-supporting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/44Regenerating the filter material in the filter
    • B01D33/46Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/461Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element brushes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/44Regenerating the filter material in the filter
    • B01D33/52Regenerating the filter material in the filter by forces created by movement of the filter element
    • B01D33/54Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • C02F2103/38Polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Filtration Of Liquid (AREA)

Abstract

The invention discloses a kind of wastewater treatment equipments prepared for Aqueous Polyurethane Adhesives, including treatment box, the side inner wall for the treatment of box offers the first groove, first groove is internally provided with percussion mechanism, percussion mechanism includes the sliding block for being slidably connected at the first recess sidewall, the side side wall of sliding block is equipped with the first spring being connect with the first recess sidewall, the side outer wall for the treatment of box is provided with driving motor, the output end of driving motor is connected with shaft, the one end of shaft far from driving motor extends to inside treatment box, the exterior side wall of shaft is welded with turntable, the sidewall weld of turntable has the adjustable plate of multiple three-legged structures.The present invention can clear up the filter opening of the first filter screen, by the setting of adsorbent equipment, can carry out after-treatment to waste water, the soluble impurity in waste water is cleared up, practicability is improved.

Description

A kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives
Technical field
The present invention relates to Aqueous Polyurethane Adhesives technical fields, more particularly to one kind being used for Aqueous Polyurethane Adhesives system Standby wastewater treatment equipment.
Background technology
Adhesive for polyurethane has many advantages, such as that hardness is adjustable, low temperature resistant, flexibility is good, adhesive strength is big, can be bonded The multiple materials such as metal, nonmetallic, purposes are more and more wider.But entire adhesive for polyurethane industry is still with solvent type at present It is main.
Aqueous Polyurethane Adhesives will produce many waste water in preparation process, these waste water are often by simple Filtration treatment, screen surface are easy to happen blocking, cause subsequent discharge of wastewater slower and slower or can not discharge, and only into Row filtering is merely able to the insoluble impurities in processing waste water, and the soluble impurity in waste water can not be removed, for this purpose, it is proposed that A kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and the one kind proposed is used for aqueous polyurethane Wastewater treatment equipment prepared by adhesive.
To achieve the goals above, present invention employs following technical solutions:
A kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives, including treatment box, the one of the treatment box Side inner wall offers the first groove, and the first groove is internally provided with percussion mechanism, and percussion mechanism includes being slidably connected at first The sliding block of recess sidewall, the side side wall of sliding block are equipped with the first spring being connect with the first recess sidewall, the treatment box Side outer wall is provided with driving motor, and the output end of driving motor is connected with shaft, and the one end of shaft far from driving motor extends To treatment box, the exterior side wall of the shaft is welded with turntable, and the sidewall weld of turntable has the adjusting of multiple three-legged structures Plate.
Further, the adjustable plate is located at right over sliding block, and the sliding block side is side walls hinged the first filter screen, and The other end of first filter screen is provided with adsorbent equipment with processing chamber interior wall rotation connection, the first filter screen lower section.
Specifically, the adsorbent equipment includes the support plate being mounted between the inner wall for the treatment of box both sides, the top of support plate The second groove is offered, the bottom end side wall of the second groove offers first through hole, and second inside grooves are provided with adsorption box.
It is worth explanation, the both sides side wall of the adsorption box offers the second through-hole along its length, in the second through-hole Portion is connected with sieve, and adsorption box is internally provided with adsorbent.
In addition, the top inner wall of the treatment box is connected with sliding rail, slide plate is slidably connected on sliding rail, the bottom end of slide plate is opened Equipped with third groove, the both sides side walls of third groove are connected with limiting plate, and the bottom end of limiting plate is connected with scraper plate, scraper plate Bottom end is connected with hairbrush, and the side side wall of limiting plate is equipped with the second spring being connect with third recess sidewall.
In addition to this, the side side wall of the treatment box is connected with collecting box, and the side side wall of the treatment box offers Third through-hole, and be connected to inside third through-hole and collecting box, the side side wall of the collecting box is connected with outlet pipe, and outlet pipe The other end extend to inside treatment box, the collecting box is internally provided with the second filter screen.
Preferably, the top of the treatment box is connected with feed pipe, and the bottom end side wall of the treatment box is connected with discharge nozzle.
Beneficial effects of the present invention:
1:By the cooperation between the percussion mechanism and the first filter screen of setting, the first filter screen can be made shook Filter reduces the blocked probability of filter opening, improves filter screen effect;
2:By the cooperation between the slide plate, hairbrush and shaft of setting, the filter opening of the first filter screen can be cleared up, By the setting of adsorbent equipment, after-treatment can be carried out to waste water, the soluble impurity in waste water is cleared up, is improved Practicability;
The present invention is easy to operate, and production cost is low, there is very high economy, is suitble to large-scale promote.
Description of the drawings
Fig. 1 is a kind of structural representation of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives proposed by the present invention Figure;
Fig. 2 is a kind of part A knot of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives proposed by the present invention Structure schematic diagram;
Fig. 3 is a kind of part B knot of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives proposed by the present invention Structure schematic diagram;
Fig. 4 is a kind for the treatment of box top of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives proposed by the present invention Hold interior wall construction schematic diagram.
In figure:1 treatment box, 2 first grooves, 3 sliding blocks, 4 first springs, 5 driving motors, 6 shafts, 7 turntables, 8 adjustable plates, 9 first filter screens, 10 slide plates, 11 third grooves, 12 limiting plates, 13 scraper plates, 14 second springs, 15 hairbrush, 16 support plates, 17 are inhaled Attached case, 18 first through hole, 19 collecting boxs, 20 second filter screens, 21 feed pipes, 22 discharge nozzles.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of The description present invention and simplified description, do not indicate or imply the indicated equipment or element must have a particular orientation, with spy Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more, Unless otherwise specifically defined.
Referring to Fig.1-4, a kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives, including treatment box 1, processing The side inner wall of case 1 offers the first groove 2, and the first groove 2 is internally provided with percussion mechanism, and percussion mechanism includes that sliding connects It is connected on the sliding block 3 of 2 side wall of the first groove, the side side wall of sliding block 3 is equipped with the first spring 4 being connect with 2 side wall of the first groove, The side outer wall for the treatment of box 1 is provided with driving motor 5, and the output end of driving motor 5 is connected with shaft 6, and shaft 6 is far from driving electricity One end of machine 5 extends to inside treatment box 1, and the exterior side wall of shaft 6 is welded with turntable 7, and the sidewall weld of turntable 7 has multiple three The adjustable plate 8 of corner structure.
Adjustable plate 8 is located at right over sliding block 3, and 3 side of sliding block is side walls hinged the first filter screen 9, and the first filter screen 9 The other end is rotatablely connected with 1 inner wall for the treatment of box, and 9 lower section of the first filter screen is provided with adsorbent equipment, and adsorbent equipment includes being mounted on The top of support plate 16 between 1 both sides inner wall for the treatment of box, support plate 16 offers the second groove, the bottom end side wall of the second groove First through hole 18 is offered, the second inside grooves are provided with adsorption box 17, and the both sides side wall of adsorption box 17 is opened along its length Equipped with the second through-hole, the second through-hole is internally connected with sieve, and adsorption box 17 is internally provided with adsorbent, the top for the treatment of box 1 Inner wall is connected with sliding rail, and slide plate 10 is slidably connected on sliding rail, and the bottom end of slide plate 10 offers third groove 11, third groove 11 Both sides side walls be connected with limiting plate 12, the bottom end of limiting plate 12 is connected with scraper plate 13, and the bottom end of scraper plate 13 connects hairiness Brush 15, and the side side wall of limiting plate 12 is equipped with the second spring 14 being connect with 11 side wall of third groove, the side for the treatment of box 1 Side wall is connected with collecting box 19, and the side side wall for the treatment of box 1 offers third through-hole, and connects inside third through-hole and collecting box 19 Logical, the side side wall of collecting box 19 is connected with outlet pipe, and the other end of outlet pipe extends to inside treatment box 1, collecting box 19 It is internally provided with the second filter screen 20, the top for the treatment of box 1 is connected with feed pipe 21, and the bottom end side wall for the treatment of box 1 is connected with out Expects pipe 22.
Operation principle:Waste water is passed through from feed pipe 21, starts driving motor 5, driving motor 5 drives shaft 6, shaft 6 Turntable 7, turntable 7 is driven to drive adjustable plate 8, adjustable plate 8 squeezes sliding block 3, in the extruding force effect of the first spring 4 and adjustable plate 8 Under, sliding block 3 pumps, and sliding block 3 drives one end of the first filter screen 9 to carry out shake up and down, is carried out to waste water Filter, improves filter effect, and at the same time, 6 screw-driven of shaft drives slide plate 10 to move, and slide plate 10 is with electric brush 15 to first The filter opening that filter screen 9 carries out is cleared up, and filtered waste water is fallen in 16 surface waste water of support plate across the first filter screen 9 from suction Attached case 17 passes through, and is adsorbed through the adsorbent inside adsorption box 17, and the waste water after absorption is discharged from discharge nozzle 22, design letter Single quick, easy to operate, production cost is low, there is very high economy, is suitble to large-scale promote.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (7)

1. a kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives, including treatment box (1), which is characterized in that institute The side inner wall for stating treatment box (1) offers the first groove (2), and the first groove (2) is internally provided with percussion mechanism, jarring machine Structure includes the sliding block (3) for being slidably connected at the first groove (2) side wall, and the side side wall of sliding block (3) is equipped with and the first groove (2) The first spring (4) of side wall connection, the side outer wall of the treatment box (1) are provided with driving motor (5), driving motor (5) Output end is connected with shaft (6), and the one end of shaft (6) far from driving motor (5) extends to treatment box (1) inside, the shaft (6) exterior side wall is welded with turntable (7), and the sidewall weld of turntable (7) has the adjustable plate (8) of multiple three-legged structures.
2. a kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives according to claim 1, feature exist It is located at right over sliding block (3) in, the adjustable plate (8), sliding block (3) side is side walls hinged the first filter screen (9), and the The other end of one filter screen (9) is rotatablely connected with treatment box (1) inner wall, and adsorbent equipment is provided with below the first filter screen (9).
3. a kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives according to claim 2, feature exist In the adsorbent equipment includes the support plate (16) being mounted between the inner wall for the treatment of box (1) both sides, and the top of support plate (16) is opened Equipped with the second groove, the bottom end side wall of the second groove offers first through hole (18), and second inside grooves are provided with absorption Case (17).
4. a kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives according to claim 3, feature exist In, the both sides side wall of the adsorption box (17) offers the second through-hole along its length, and the second through-hole is internally connected with sieve, And adsorption box (17) is internally provided with adsorbent.
5. a kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives according to claim 1, feature exist In the top inner wall of the treatment box (1) is connected with sliding rail, and slide plate (10), the bottom end of slide plate (10) are slidably connected on sliding rail Third groove (11) is offered, the both sides side walls of third groove (11) are connected with limiting plate (12), the bottom of limiting plate (12) End is connected with scraper plate (13), and the bottom end of scraper plate (13) is connected with hairbrush (15), and the side side wall of limiting plate (12) be equipped with The second spring (14) of third groove (11) side wall connection.
6. a kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives according to claim 1, feature exist In the side side wall of the treatment box (1) is connected with collecting box (19), and the side side wall of the treatment box (1) offers third Through-hole, and be connected to inside third through-hole and collecting box (19), the side side wall of the collecting box (19) is connected with outlet pipe, and goes out The other end of water pipe extends to treatment box (1) inside, and the collecting box (19) is internally provided with the second filter screen (20).
7. a kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives according to claim 1, feature exist In the top of the treatment box (1) is connected with feed pipe (21), and the bottom end side wall of the treatment box (1) is connected with discharge nozzle (22)。
CN201810764597.5A 2018-07-12 2018-07-12 A kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives Withdrawn CN108609762A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810764597.5A CN108609762A (en) 2018-07-12 2018-07-12 A kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810764597.5A CN108609762A (en) 2018-07-12 2018-07-12 A kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives

Publications (1)

Publication Number Publication Date
CN108609762A true CN108609762A (en) 2018-10-02

Family

ID=63666318

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810764597.5A Withdrawn CN108609762A (en) 2018-07-12 2018-07-12 A kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives

Country Status (1)

Country Link
CN (1) CN108609762A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109351038A (en) * 2018-11-20 2019-02-19 王帅 A kind of environmental protective type chemical solid-liquid separating equipment
CN109502913A (en) * 2018-12-20 2019-03-22 上海市建工设计研究总院有限公司 The rain pipe self-cleaning and Ecology purification system in sponge city
CN110156271A (en) * 2019-06-12 2019-08-23 江西师范大学 A kind of chemical engineering sewage pollution biological decomposition processing unit
CN111643952A (en) * 2020-05-05 2020-09-11 北京点域科技有限公司 Water pollution miscellaneous material easily clears up filter equipment
CN111718033A (en) * 2020-07-01 2020-09-29 中国人民解放军总医院第八医学中心 Breathing machine condensate water disinfection processing apparatus
CN113117404A (en) * 2021-05-19 2021-07-16 梁凤珍 Sewage filtering and recycling device
CN114011134A (en) * 2019-04-25 2022-02-08 南通东屹高新纤维科技有限公司 Textile wastewater treatment device
CN115387434A (en) * 2022-08-26 2022-11-25 绍兴博美佳厨卫科技有限公司 Basin of intelligence purification of water quality that disinfects
CN116349640A (en) * 2022-12-30 2023-06-30 山东种工渔业发展有限公司 Aquaculture trades integrative device of water wastewater treatment

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109351038A (en) * 2018-11-20 2019-02-19 王帅 A kind of environmental protective type chemical solid-liquid separating equipment
CN109351038B (en) * 2018-11-20 2020-10-02 安徽昊源化工集团有限公司 Environment-friendly solid-liquid separation equipment for chemical industry
CN109502913A (en) * 2018-12-20 2019-03-22 上海市建工设计研究总院有限公司 The rain pipe self-cleaning and Ecology purification system in sponge city
CN109502913B (en) * 2018-12-20 2021-08-31 上海市建工设计研究总院有限公司 Rainwater pipe self-cleaning and water ecological purification system for sponge city
CN114011134A (en) * 2019-04-25 2022-02-08 南通东屹高新纤维科技有限公司 Textile wastewater treatment device
CN110156271A (en) * 2019-06-12 2019-08-23 江西师范大学 A kind of chemical engineering sewage pollution biological decomposition processing unit
CN111643952A (en) * 2020-05-05 2020-09-11 北京点域科技有限公司 Water pollution miscellaneous material easily clears up filter equipment
CN111718033A (en) * 2020-07-01 2020-09-29 中国人民解放军总医院第八医学中心 Breathing machine condensate water disinfection processing apparatus
CN113117404A (en) * 2021-05-19 2021-07-16 梁凤珍 Sewage filtering and recycling device
CN115387434A (en) * 2022-08-26 2022-11-25 绍兴博美佳厨卫科技有限公司 Basin of intelligence purification of water quality that disinfects
CN116349640A (en) * 2022-12-30 2023-06-30 山东种工渔业发展有限公司 Aquaculture trades integrative device of water wastewater treatment

Similar Documents

Publication Publication Date Title
CN108609762A (en) A kind of wastewater treatment equipment prepared for Aqueous Polyurethane Adhesives
CN214808991U (en) A filter equipment for coating production
CN208525981U (en) A kind of Multifunctional water treatment equipment
CN210728884U (en) River course sewage multi-stage filtration device
CN108675540A (en) A kind of high saline sewage purification apparatus
CN108675381A (en) A kind of sewage disposal filter device being convenient to clean
CN208302531U (en) A kind of separatory filter device of tumor blood
CN210845745U (en) Dust treatment device for metal abrasive production workshop
CN208529438U (en) A kind of cutting machine dust-removing apparatus
CN210753621U (en) Multistage screening flotation comprehensive recovery system for low-grade gold ore
CN218248701U (en) Filter cake blow-off equipment of filter press
CN110478964A (en) A kind of sewage treatment multistage separation of solid and liquid component
CN207871649U (en) A kind of chemical industry stoste novel filtering device
CN111013821A (en) A spiral dust collector for rice processing
CN214210832U (en) Biological diatomite processing device for sewage treatment
CN208200574U (en) A kind of Hardware fitting processing waste water processing unit
CN109987729A (en) A kind of sewage treatment preventing clogging up device
CN211027021U (en) Civil engineering material promotes separator
CN210876426U (en) Stainless steel sintering net sweeps device
CN209049382U (en) A kind of organic solvent recovery and processing system
CN208684671U (en) A kind of high saline sewage purification apparatus
CN209333361U (en) A kind of air purification filter equipment that purification efficiency is high
CN207928811U (en) A kind of surfactant production raw material filter
CN108371856A (en) A kind of furnace refractory production emission-control equipment
CN206424669U (en) A kind of revolving filter for being used to produce polyamide section

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20181002

WW01 Invention patent application withdrawn after publication