CN106395993A - Condensate wastewater purifying and recycling system of digestion type fume hood - Google Patents
Condensate wastewater purifying and recycling system of digestion type fume hood Download PDFInfo
- Publication number
- CN106395993A CN106395993A CN201611012968.1A CN201611012968A CN106395993A CN 106395993 A CN106395993 A CN 106395993A CN 201611012968 A CN201611012968 A CN 201611012968A CN 106395993 A CN106395993 A CN 106395993A
- Authority
- CN
- China
- Prior art keywords
- pure
- filter
- vent cabinet
- condensation
- isolation
- 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.)
- Pending
Links
Classifications
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A condensate wastewater purifying and recycling system of a digestion type fume hood comprises a laboratory ventilating tube, an experimental cabinet vertical ventilating tube, a fume hood cover, separating and purifying filters, a pure condensate water pipeline, a pure condensate water pond, spiral fixing grooves of outer walls of air suction openings of the ventilating tubes, spiral fixing grooves of inner walls of the upper parts of the separating and purifying filters and a pull ring chain for connecting and fixing the fume hood cover and the separating and purifying filter. The condensate wastewater purifying and recycling system of the digestion type fume hood is characterized in that condensate wastewater which returns from the wall of the laboratory ventilating tube in front of a fan and the wall of the fume hood ventilating tube enters the separating and purifying filters mounted at the air sucking openings and is treated to obtain pure condensate water, flows through pure condensate water outlets of various fume hood filters, passes through the pure condensate water pipeline, and is gathered into the laboratory pure condensate pond for returning utilization to form a condensate wastewater treating-purifying-recycling-reusing circulating system.
Description
Technical field
This patent is related to a kind of laboratory paraphernalia technical field and in particular to a kind of digestion type vent cabinet condenses purification of waste water
Recovery system.
Background technology
For avoiding lower of condensed water, under existing vent cabinet antetheca, mouth is provided with gutter, flows into waste liquid pool and mixes with other waste water
Conjunction is processed, or directly discharges;A kind of laboratory hood waste liquid recovery apparatus patent(201220521080.1), propose in ventilation
The air inlet of cabinet arranges a tubulose interlayer bucket, the waste liquids such as the condensed water of backflow is gathered together, focuses on, as accompanying drawing 1 institute
Show;Either gutter, or tubulose interlayer bucket, all stress to collect condensation waste water, and how purified treatment then do not refer to, special
It is not all not touch upon the similarities and differences of condensed water and other cleaning vent cabinet waste liquids, and adopt different processing methods;This patent is just
It is a kind of digestion type vent cabinet condensation purification of waste water recovery system developed for the deficiency of above-mentioned treatment technology.
Content of the invention
Digestion type vent cabinet also known as clears up vent cabinet, is that the special of organic substance experiment is cleared up in a kind of inorganic acid solution heating
With vent cabinet, in terms of vent cabinet liquid waste processing angle, its feature:One is the waste gas that vent cabinet ventilation takes away containing large quantity of moisture,
Before entering blower fan, aqueous vapor to the cold or solia particle, is converted into condensation waste water, returns along tube wall and flows into inlet scoop, causes vent cabinet
Different degrees of secondary pollution;Two be condensed water be a kind of pure distilled water, in reflux course, dissolving sour gas and folder
After carrying solia particle to become acid waste liquid it is necessary to carry out separating treatment, could regeneration;Three is in disappearing that vent cabinet is carried out
Solve in experiment, the basis in waste gas and condensation waste liquid, in addition to water, and the mainly inorganic acid of molecular weight and salt, composition
More single, using succinct separation method, pure condensed water can be isolated, four is that to clear up experiment be the big experiment of water consumption, should
Consider the regeneration of condensation waste water;Five be vent cabinet single experiment treating capacity few, waste gas, waste liquid discharge rate are also few, and
It is clearance-type operation, is conducive to the enforcement of individuation processing scheme, be that practical the stepping of vent cabinet waste water treatment goes a step further, will
Administer and organically combine with resource regeneration.
Accordingly, this patent technical problem to be solved is, using isolation technics and the method for brief and practical, comprehensively utilizes
The reflux condensation mode waste water producing in the experiment of digestion type vent cabinet, realizes the double technique effect of waste water pollution treatment and water reuse
Really.
For solving above-mentioned technical problem, adopt the technical scheme that:A kind of digestion type vent cabinet condensation purification of waste water is reclaimed
System, including laboratory ventilation pipe, the vertical ventilation duct of experiment cabinet, vent cabinet fan housing, isolation of purified filter, pure condensate pipe
Line, pure condensation pond, ventilation duct inlet scoop outer wall spiral fixing groove, isolation of purified filter upper inside wall spiral fixing groove,
Vent cabinet fan housing and isolation of purified filter be connected with draw ring march composition it is characterised in that before blower fan laboratory ventilation
Pipe and the condensation waste water of vent cabinet ventilation tube wall backflow, enter the isolation of purified filter process being arranged at inlet scoop, produce
Go out pure condensed water, along the pure condensation-water drain of each vent cabinet filter, through pure condensate piping, conflux pure into laboratory
Condensation pond, for Returning utilization, is configured to condense wastewater treatment-purification-recovery-recycling circulatory system;
Wherein said isolation of purified filter is hollow segmentation interlayer drum, by the epimere interlayer of dress condensation waste water, fixed filter
Middle interlayer, fill the hypomere interlayer of pure condensed water with pure condensation-water drain composition, condensation waste water flows into epimere interlayer, reaches
To pressure needed for filter membrane(Controlled by water inlet height)When, the waste water having certain hydraulic pressure injects the middle interlayer equipped with filter,
Separate the suspended particulates condensing in waste water, small organic molecule, inorganic acid, salt ion, the pure condensed water of output, inflow fills pure
The hypomere interlayer of net condensed water, flows into pure condensation pond through its outlet;
Wherein said fixed filter middle interlayer structure is the film filter that ultrafiltration film layer is combined with nanofiltration film layer, and ultrafiltration film layer exists
On, nanofiltration film layer under;Ultrafiltration film layer is mainly for separating of colloid, suspend fixing particulate and macromolecular substances, nanofiltration film layer master
It is used for separating small organic molecule and inorganic salts, inorganic acid;Condensation waste water is processed through membrane filtration, and output is pure for recycle
Net condensed water;In view of laboratory hood is clearance-type operation, adopt conventional low voltage steaming process using off time, to membrane filtration
Device carries out reverse cleaning, rejuvenated molecular film and its functional group, and the discharge of wastewater of cleaning is to other purification tank for liquid waste;
Wherein said ventilation duct inlet scoop outer wall spiral fixing groove is adopted with isolation of purified filter upper inside wall spiral fixing groove
Spiral linking is fixed, and vent cabinet ventilation duct is connected as one with isolation of purified filter, for safety, in vent cabinet wind then
In cover middle part surrounding and isolation of purified filter, bottom configure draw ring and march, be fixed in the middle part of fan housing;
The mode of being connected of wherein said vent cabinet fan housing, ventilation duct inlet scoop and isolation of purified filter has two, one be by
Vent cabinet fan housing is sleeved at vent cabinet ventilation duct inlet scoop, and two vent cabinet fan housing is sleeved in isolation of purified filter
Portion or bottom, for reducing exhaust gas recirculation impact, using telescoping vertical ventilation duct or overstriking isolation of purified filter, all need to be concrete
Select in design;
Wherein said pure condensation pond is used for storing the pure condensed water of each vent cabinet isolation of purified filter, through pure condensation
Water pipeline, confluxes into pure condensation pond, during use, is extracted into in place of water with micro pump;Pure condensation pond is preferably built in
Laboratory basement, no basement, it build the laboratory corner being of little use in.
Brief description
Fig. 1 is that digestion type vent cabinet condenses purification of waste water recovery system structural representation;
Fig. 2 is that isolation of purified filter and ventilation duct inlet scoop, vent cabinet fan housing are connected schematic diagram;
Fig. 3 is isolation of purified filter schematic perspective view.
Specific embodiments
In Fig. 1,2,3,1 is laboratory transversal ventilation pipe, and 2 is the vertical ventilation duct of vent cabinet, and 3 is vent cabinet fan housing, and 4 are point
From polishing filter, 5 is pure condensate piping, and 6 is pure condensation pond, 7 be ventilation duct inlet scoop outer wall spiral fixing groove,
8 it is isolation of purified filter upper inside wall spiral fixing groove, 9 be vent cabinet fan housing and isolation of purified filter is connected with drawing
Ring is marched, and 2-1 is ventilation tube wall, and 4-1 is the epimere interlayer of dress condensation waste water, and 4-2 is the middle interlayer of dress film filter,
4-3 is the hypomere interlayer filling pure condensed water, and 4-4 is pure condensation-water drain, and 4-2-1 is ultrafiltration film layer, and 4-2-2 is NF membrane
Layer.
It is described with reference to the drawings, specific embodiments are:A kind of digestion type vent cabinet condenses purification of waste water recovery system, including
The vertical ventilation duct of laboratory ventilation pipe 1, experiment cabinet 2, vent cabinet fan housing 3, isolation of purified filter 4, pure condensate piping 5,
Pure condensation pond 6, ventilation duct inlet scoop outer wall endoporus spiral fixing groove 7, isolation of purified filter portion upper inside wall endoporus spiral shell
Rotation fixing groove 8, vent cabinet fan housing and isolation of purified filter are connected and march 9 compositions it is characterised in that from blower fan with draw ring
Front laboratory ventilation pipe 1 and the condensation waste water of vent cabinet ventilation duct 2 tube wall 2-1 backflow, enter the separation being arranged at inlet scoop
Polishing filter 4 is processed, the pure condensed water of output, along the pure condensation-water drain 4-4 of each vent cabinet filter, through pure condensed water
Pipeline 5, confluxes into laboratory pure condensation pond 6, for Returning utilization, is configured to digestion type vent cabinet condensation wastewater treatment-net
Change-reclaim-recycle the circulatory system;
Wherein said isolation of purified filter 4, is hollow segmentation interlayer drum, by the epimere interlayer 4-1 of dress condensation waste water, fills
The middle interlayer 4-2 of filter, the hypomere interlayer 4-3 filling pure condensed water and pure condensation-water drain 4-4 composition, condense waste water stream
Enter epimere interlayer 4-1 and reach hydraulic pressure needed for filter membrane(Controlled by water inlet height)When, the waste water having certain hydraulic pressure injects dress and filters
The middle interlayer 4-2 of device, separate condensation waste water in suspended particulates, small organic molecule, inorganic acid, salt ion, output pure
Net condensed water, flows into the hypomere interlayer 4-3 filling pure condensed water, through outlet 4-4 and pipeline 5, flows into pure condensation pond 6;
Wherein said fixed filter middle interlayer 4-2 structure is the membrane filtration that ultrafiltration film layer 4-2-1 is combined with nanofiltration film layer 4-2-2
Device, ultrafiltration film layer 4-2-1 upper, nanofiltration film layer 4-2-2 under;Ultrafiltration film layer 4-2-1 is mainly for separating of colloid, suspend fixation
Particulate and macromolecular substances, nanofiltration film layer 4-2-2 is mainly for separating of small organic molecule and inorganic salts, inorganic acid;Condensation is useless
Water is processed through membrane filtration, and output is for the pure condensed water recycling;In view of laboratory hood is clearance-type operation, between utilizing
The gap time adopts conventional low voltage steaming process, and film filter is carried out with reverse cleaning, rejuvenated molecular film and its functional group, cleaning useless
Water is discharged into other purification tank for liquid waste;
Wherein said ventilation duct inlet scoop outer wall spiral fixing groove 7 is adopted with isolation of purified filter upper inside wall spiral fixing groove 8
It is connected with spiral and fixes, vent cabinet ventilation duct 2 is connected as one with isolation of purified filter 4, for eliminating the peace being suspended vacantly
In full hidden danger, then surrounding and isolation of purified filter 4 in the middle part of vent cabinet fan housing 3, bottom configuration draw ring march 9, be fixed
Central space in fan housing;
Wherein said vent cabinet fan housing 3 has two with ventilation duct 2 inlet scoop, the mode of being connected of isolation of purified filter 4, and one is
Vent cabinet fan housing 3 is sleeved at vent cabinet ventilation duct 2 inlet scoop, two is vent cabinet fan housing 3 to be sleeved on isolation of purified filter
The middle part of device 4 or bottom, for reducing the impact of recirculating exhaust gas, are filtered using telescopic vent riser or overstriking isolation of purified
Device, all need to select in specific design;
Wherein said pure condensation pond 6 is used for storing the pure condensed water of each vent cabinet isolation of purified filter 4, through pure cold
Solidifying water pipeline 5, confluxes into pure condensation pond, during use, is extracted into in place of water with micro pump;Pure condensation pond selects to build
In laboratory basement, no basement, it build the laboratory corner being of little use in.
Claims (6)
1. a kind of digestion type vent cabinet condenses purification of waste water recovery system, including laboratory ventilation pipe(1), experiment cabinet vertically divulges information
Pipe(2), vent cabinet fan housing(3), isolation of purified filter(4), pure condensate piping(5), pure condensation pond(6), ventilation
Pipe inlet scoop outer wall spiral fixing groove(7), isolation of purified filter upper inside wall spiral fixing groove(8), vent cabinet fan housing with point
It is connected from polishing filter and marched with draw ring(9)Composition it is characterised in that before blower fan laboratory ventilation pipe(1)With ventilation
Cabinet ventilation duct(2)Tube wall(2-1)The condensation waste water of backflow, enters the isolation of purified filter being arranged at inlet scoop(4)Process,
The pure condensed water of output, along the pure condensation-water drain of each vent cabinet filter(4-4), through pure condensate piping(5), conflux into
Laboratory pure condensation pond(6), for Returning utilization, it is configured to the condensation wastewater treatment-purification-recovery-again of digestion type vent cabinet
Using the circulatory system.
2. according to claim 1 a kind of digestion type vent cabinet condensation purification of waste water recovery system it is characterised in that described point
From polishing filter(4), it is hollow segmentation interlayer drum, by the epimere interlayer of dress condensation waste water(4-1), the stage casing of fixed filter
Interlayer(4-2), fill the hypomere interlayer of pure condensed water(4-3)With pure condensation-water drain(4-4)Composition, condensation waste water flows into
Section interlayer(4-1)When reaching hydraulic pressure needed for filter membrane, the waste water having certain hydraulic pressure injects the middle interlayer of fixed filter(4-2), point
Suspended particulates in condensation waste water, small organic molecule, inorganic acid, salt ion, the pure condensed water of output, inflow fills pure
The hypomere interlayer of condensed water(4-3), through outlet(4-4)With pipeline(5), flow into pure condensation pond(6).
3. a kind of digestion type vent cabinet condensation purification of waste water recovery system according to claim 1 or claim 2 is it is characterised in that described
Fixed filter middle interlayer(4-2)Structure is ultrafiltration film layer(4-2-1)With nanofiltration film layer(4-2-2)Compound film filter, surpasses
Filter membranous layer(4-2-1)In upper, nanofiltration film layer(4-2-2)Under;Ultrafiltration film layer(4-2-1)Mainly for separating of colloid, suspend admittedly
Determine particulate and macromolecular substances, nanofiltration film layer(4-2-2)Mainly for separating of small organic molecule and inorganic salts, inorganic acid;Cold
Solidifying waste water is processed through membrane filtration, and output is for the pure condensed water recycling.
4. a kind of digestion type vent cabinet condenses purification of waste water recovery system it is characterised in that described lead to according to claim 1
Airduct inlet scoop outer wall spiral fixing groove (7) with isolation of purified filter upper inside wall spiral fixing groove(8)Solid using spiral linking
Fixed, by vent cabinet ventilation duct(2)With isolation of purified filter(4)Connect as one, for eliminating the potential safety hazard being suspended vacantly, then
In vent cabinet fan housing(3)Middle part surrounding and isolation of purified filter(4)In, bottom configuration draw ring march(9), it is fixed in wind
Cover(3)Central space.
5. a kind of digestion type vent cabinet condenses purification of waste water recovery system it is characterised in that described lead to according to claim 1
Wind cabinet fan housing(3)With ventilation duct(2)Inlet scoop, isolation of purified filter(4)The mode of being connected have two, one is by vent cabinet
Fan housing(3)It is sleeved on vent cabinet ventilation duct(2)At inlet scoop, two is by vent cabinet fan housing(3)It is sleeved on isolation of purified filter
(4)Middle part or bottom, for reducing the impact of recirculating exhaust gas, filtered using telescopic vent riser or overstriking isolation of purified
Device, all need to select in specific design.
6. according to claim 1 a kind of digestion type vent cabinet condensation purification of waste water recovery system it is characterized in that, described pure
Net condensation pond(6)For storing each vent cabinet isolation of purified filter(4)Pure condensed water, through pure condensate piping
(5), conflux into pure condensation pond(6)In, during use, it is extracted into in place of water with micro pump;Pure condensation pond is preferably built
In laboratory basement, no basement, it build the laboratory corner being of little use in.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611012968.1A CN106395993A (en) | 2016-11-17 | 2016-11-17 | Condensate wastewater purifying and recycling system of digestion type fume hood |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611012968.1A CN106395993A (en) | 2016-11-17 | 2016-11-17 | Condensate wastewater purifying and recycling system of digestion type fume hood |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106395993A true CN106395993A (en) | 2017-02-15 |
Family
ID=58068401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611012968.1A Pending CN106395993A (en) | 2016-11-17 | 2016-11-17 | Condensate wastewater purifying and recycling system of digestion type fume hood |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106395993A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108178229A (en) * | 2018-02-01 | 2018-06-19 | 江苏库利南实验设备有限公司 | Vent cabinet waste liquid recovery apparatus |
CN108453110A (en) * | 2018-01-31 | 2018-08-28 | 重庆市柏涛钢具有限公司 | A kind of Environmental-protective ventilating cabinet with waste gas purification function |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201362627Y (en) * | 2008-12-16 | 2009-12-16 | 梁仁建 | Purification direct-drinking device for condensed water of air conditioner |
CN202921633U (en) * | 2012-10-12 | 2013-05-08 | 长沙伟确科技发展有限公司 | Laboratory fume hood waste liquid recovering device |
CN205145883U (en) * | 2015-11-12 | 2016-04-13 | 东营广兴石油装备有限公司 | Collection device is filtered in waste gas condensation |
CN205217573U (en) * | 2015-12-21 | 2016-05-11 | 河南省计量科学研究院 | Novel multi -functional laboratory fume chamber |
-
2016
- 2016-11-17 CN CN201611012968.1A patent/CN106395993A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201362627Y (en) * | 2008-12-16 | 2009-12-16 | 梁仁建 | Purification direct-drinking device for condensed water of air conditioner |
CN202921633U (en) * | 2012-10-12 | 2013-05-08 | 长沙伟确科技发展有限公司 | Laboratory fume hood waste liquid recovering device |
CN205145883U (en) * | 2015-11-12 | 2016-04-13 | 东营广兴石油装备有限公司 | Collection device is filtered in waste gas condensation |
CN205217573U (en) * | 2015-12-21 | 2016-05-11 | 河南省计量科学研究院 | Novel multi -functional laboratory fume chamber |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108453110A (en) * | 2018-01-31 | 2018-08-28 | 重庆市柏涛钢具有限公司 | A kind of Environmental-protective ventilating cabinet with waste gas purification function |
CN108453110B (en) * | 2018-01-31 | 2023-12-26 | 重庆市柏涛钢具有限公司 | Preparation method of porous adsorption resin and fume hood |
CN108178229A (en) * | 2018-02-01 | 2018-06-19 | 江苏库利南实验设备有限公司 | Vent cabinet waste liquid recovery apparatus |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106395993A (en) | Condensate wastewater purifying and recycling system of digestion type fume hood | |
CN107188332A (en) | A kind of sewage purifier | |
CN101716438B (en) | Integrated continuous flow oil-containing waste water processing device | |
CN108339789A (en) | A kind of cooling tower water-collecting tray automatic cleaning system and its cleaning method | |
CN201684488U (en) | Efficient oil-sludge-water separation and continuous stream filtering integrated water purifying device | |
CN208429963U (en) | A kind of oily wastewater regeneration device | |
CN108793467A (en) | A kind of kitchen waste water purifier | |
CN206278961U (en) | A kind of digestion type vent cabinet condenses purification of waste water recovery system | |
CN209662936U (en) | A kind of environment-friendly temperature-reducing equipment based on high temperature furnace discharge high-temperature flue gas | |
CN108854404A (en) | A kind of industry dust deduster | |
CN109678290A (en) | One kind being used for vehicle coating wastewater water-oil separating purification system | |
CN107244710A (en) | A kind of sewage centrifuges filtering and purifying | |
CN103912904A (en) | Wet type cyclone oil fume removal device | |
CN205528085U (en) | Multistage loop filter's device of purifying waste water | |
CN208648932U (en) | Block type oil-contained waste water treatment device | |
CN210729053U (en) | Multifunctional purification system | |
CN103933849B (en) | Gas purge system | |
CN207891089U (en) | Oil-water separating device of waste water in catering and flue gas integrated deoiling wastewater recycling device | |
CN208814864U (en) | Sewage-treatment plant | |
CN208839268U (en) | A kind of photooxidation catalytic mixing formula exhaust gas waste water treatment system | |
CN209010275U (en) | A kind of feather processing sewage-treatment plant | |
CN106064856A (en) | A kind of kitchen waste water separating barrel | |
CN207856560U (en) | A kind of cartridge type spiral vortex type paint mist treatment device | |
CN109966865A (en) | A kind of Multi-grade exhaust gas absorption plant | |
CN205323323U (en) | Sewage -draining filter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170215 |