CN110354602A - A kind of industrial waste waste gas from incinerator processing unit - Google Patents
A kind of industrial waste waste gas from incinerator processing unit Download PDFInfo
- Publication number
- CN110354602A CN110354602A CN201910642218.XA CN201910642218A CN110354602A CN 110354602 A CN110354602 A CN 110354602A CN 201910642218 A CN201910642218 A CN 201910642218A CN 110354602 A CN110354602 A CN 110354602A
- Authority
- CN
- China
- Prior art keywords
- treatment box
- exhaust gas
- screw rod
- industrial waste
- filter cylinder
- 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
- 239000002440 industrial waste Substances 0.000 title claims abstract description 26
- 238000012545 processing Methods 0.000 title claims abstract description 26
- 239000002912 waste gas Substances 0.000 title claims abstract description 25
- 239000007789 gas Substances 0.000 claims abstract description 69
- 238000004140 cleaning Methods 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 9
- 239000012141 concentrate Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000008676 import Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 239000003500 flue dust Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000004056 waste incineration Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000892 beryllide Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention discloses a kind of industrial waste waste gas from incinerator processing units, including treatment box, treatment box is fixedly installed with support frame on bottom surface, treatment box is equipped with exhaust gas inlet on left and right side, exhaust gas filter cylinder is equipped between two exhaust gas inlets, dust discharge cylinder is connected in the middle part of exhaust gas filter cylinder, and sealing cover is movably equipped between dust discharge cylinder bottom surface and processing chamber interior wall, cleaning brush is equipped in exhaust gas filter cylinder, cleaning brush inner ring is fixedly installed with mounting disc, locating rod is slidably connected in mounting disc, and locating rod is fixedly mounted on processing chamber interior wall, driving screw rod is threaded in mounting disc, driving screw rod is movably arranged on treatment box, wherein one end passes through treatment box and is sequentially connected with driving motor driving screw rod, driving motor is fixedly mounted on treatment box right side, structure of the invention design is reasonable, it ensure that industrial waste waste gas from incinerator filtration channel It is unimpeded, industrial waste waste gas from incinerator can quickly be handled.
Description
Technical field
The present invention relates to technical field of waste gas treatment more particularly to a kind of industrial waste waste gas from incinerator processing units.
Background technique
Industrial waste gas refers to that generate in plant area, enterprise fuel combustion and production process various are discharged into containing for air
There is the general name of contaminant gases.These exhaust gas have: carbon dioxide, carbon disulfide, hydrogen sulfide, fluoride, nitrogen oxides, chlorine, chlorine
Change hydrogen, carbon monoxide, sulfuric acid (mist) lead mercury, beryllide, flue dust and industrial dust, is discharged into atmosphere, air can be polluted.These objects
Matter enters the internal of people by different approach respiratory tracts, and some directly generates harm, and there are also cumulative effects for some, can be tighter
The health for endangering people of weight, different material have Different Effects.Therefore industrial waste burning process generate exhaust gas need into
It is being discharged after row processing, is reducing exhaust gas pollution on the environment.
But existing industrial waste gas waste gas from incinerator processing unit is in use, the flue dust in exhaust gas is readily adsorbed in
On filter assemblies, it is be easy to cause the blocking of exhaust gas filter assemblies, greatly reduces the treatment effeciency of exhaust gas.
For this purpose, we have proposed a kind of industrial waste waste gas from incinerator processing units.
Summary of the invention
The present invention provides a kind of industrial waste waste gas from incinerator processing units, it is therefore intended that can be avoided the flue dust in exhaust gas
Exhaust gas filtration channel is blocked, guarantees the unimpeded of exhaust gas filtration channel, improves the efficiency of exhaust-gas treatment.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions:
A kind of industrial waste waste gas from incinerator processing unit, including treatment box are fixedly installed with support frame on the treatment box bottom surface,
It is equipped with exhaust gas inlet on the treatment box left and right side, exhaust gas filter cylinder is equipped between two exhaust gas inlets, and described useless
Air filter cylinder is slidably mounted on the processing chamber interior wall, is connected with dust discharge cylinder, and dust discharge cylinder bottom in the middle part of the exhaust gas filter cylinder
It is movably equipped with sealing cover between face and the processing chamber interior wall, is equipped with cleaning brush, the cleaning brush inner ring in the exhaust gas filter cylinder
It is fixedly installed with mounting disc, locating rod is slidably connected in the mounting disc, and the locating rod is fixedly mounted on the processing
On chamber interior wall, driving screw rod is threaded in the mounting disc, the driving screw rod is movably arranged on the treatment box, institute
Stating driving screw rod, wherein one end passes through the treatment box and is sequentially connected with driving motor, and the driving motor is fixedly mounted on institute
State treatment box right side.
Preferably, in above-mentioned industrial waste waste gas from incinerator processing unit, two exhaust gas inlets are connected with " Qian " jointly
The isocon of shape, the isocon middle part are connected with concentration air inlet pipe.
Based on above-mentioned technical characteristic, the exhaust gas that external waste incineration generates then passes through shunting from concentrating air inlet pipe to enter
Pipe carries out two-way conveying, avoids the process that exhaust-gas treatment is hindered in cleaning brush cleaning process.
Preferably, in above-mentioned industrial waste waste gas from incinerator processing unit, the treatment box inner bottom surface is arranged to conical surface shape, institute
It states screw thread on treatment box bottom surface and dust discharge lid is installed.
Based on above-mentioned technical characteristic, treatment box inner bottom surface is arranged to conical surface shape, convenient for being collected to the flue dust filtered out, and
Concentration emission treatment is carried out by dust discharge lid.
Preferably, in above-mentioned industrial waste waste gas from incinerator processing unit, observation window is installed on the treatment box leading flank.
Based on above-mentioned technical characteristic, the setting of observation window is observed convenient for the process to exhaust-gas treatment in treatment box.
Preferably, in above-mentioned industrial waste waste gas from incinerator processing unit, the treatment box inner bottom surface and the sealing cover it
Between be uniformly equipped with it is several vibration get rid of material spring.
Based on above-mentioned technical characteristic, the setting of material spring is got rid of in vibration, and exhaust gas can be driven to filter under the impact of off-gas flows
Cylinder vibrates up and down, and convenient for removing the flue dust being adsorbed on exhaust gas filter cylinder, ensure that the normal operation of exhaust-gas treatment process.
Preferably, in above-mentioned industrial waste waste gas from incinerator processing unit, the driving screw rod uses reciprocating screw rod.
Based on above-mentioned technical characteristic, drives screw rod to use reciprocating screw rod, can be driven by the unidirectional drive of driving motor
Cleaning brush makees reciprocal side-to-side movement, can be removed comprehensively to the flue dust being adsorbed on exhaust gas filter cylinder.
The beneficial effects of the present invention are:
Rationally, the cleaning brush by reciprocating motion is that exhaust gas filter cylinder is cleaned comprehensively, while being cooperated useless for structure of the invention design
The flue dust being adsorbed on exhaust gas filter cylinder can be removed effectively, avoid exhaust gas filtration channel by air filter cylinder random vibration
It is unimpeded, substantially increase the treatment effeciency of industrial waste waste gas from incinerator.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is observation window structural schematic diagram of the invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1- treatment box；2- support frame；3- exhaust gas inlet；4- exhaust gas filter cylinder；5- dust discharge cylinder；6- sealing cover；7- cleaning brush；8- installation
Disk；9- locating rod；10- drives screw rod；11- driving motor；12- isocon；13- concentrates air inlet pipe；14- dust discharge lid；15- observation
Window；Material spring is got rid of in 16- vibration.
Specific embodiment
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 description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-2, the present embodiment is a kind of industrial waste waste gas from incinerator processing unit, including treatment box 1, place
Reason 1 inner bottom surface of case is arranged to conical surface shape, and screw thread is equipped with dust discharge lid 14 on 1 bottom surface for the treatment of box, and 1 inner bottom surface for the treatment of box is arranged to bore
Planar convenient for being collected to the flue dust filtered out, and carries out concentration emission treatment by dust discharge lid 14, on 1 leading flank for the treatment of box
Observation window 15 is installed, the setting of observation window 15 is observed convenient for the process to exhaust-gas treatment in treatment box 1,1 bottom for the treatment of box
It is fixedly installed with support frame 2 on face, exhaust gas inlet 3 is equipped on 1 left and right side for the treatment of box, two exhaust gas inlets 3 connect jointly
There is the isocon 12 of " Kan " shape, be connected in the middle part of isocon 12 and concentrate air inlet pipe 13, the exhaust gas that external waste incineration generates is from collection
Middle air inlet pipe 13 enters, and then carries out two-way conveying by isocon 12, avoids in 7 cleaning process of cleaning brush and hinders at exhaust gas
The process of reason is equipped with exhaust gas filter cylinder 4 between two exhaust gas inlets 3, and exhaust gas filter cylinder 4 is slidably mounted on 1 inner wall for the treatment of box, gives up
It is connected with dust discharge cylinder 5 in the middle part of air filter cylinder 4, and is movably equipped with sealing cover 6, treatment box between 1 inner wall of 5 bottom surface of dust discharge cylinder and treatment box
Several vibrations are uniformly installed between 1 inner bottom surface and sealing cover 6 and get rid of material spring 16, the setting of material spring 16, Neng Gou are got rid of in vibration
It drives exhaust gas filter cylinder 4 to vibrate up and down under the impact of off-gas flows, convenient for removing the flue dust being adsorbed on exhaust gas filter cylinder 4, ensure that
The normal operation of exhaust-gas treatment process, exhaust gas filter cylinder 4 is interior to be equipped with cleaning brush 7, and 7 inner ring of cleaning brush is fixedly installed with mounting disc 8, pacifies
Locating rod 9 is slidably connected in sabot 8, and locating rod 9 is fixedly mounted on 1 inner wall for the treatment of box, is threaded in mounting disc 8
Screw rod 10 is driven, driving screw rod 10 is movably arranged on treatment box 1, and wherein one end passes through treatment box 1 and is driven driving screw rod 10
It is connected with driving motor 11, driving motor 11 is fixedly mounted on 1 right side for the treatment of box, and driving screw rod 10 uses reciprocating screw rod, drives
Dynamic screw rod 10 uses reciprocating screw rod, cleaning brush 7 can be driven to make reciprocal side-to-side movement, energy by the unidirectional drive of driving motor 11
It is enough that the flue dust being adsorbed on exhaust gas filter cylinder 4 is removed comprehensively.
A kind of specific implementation of the invention, when in use, external industrial waste incineration generate exhaust gas from exhaust gas inlet 3 into
Enter into exhaust gas filter cylinder 4, since air-flow is different to the impact dynamics of 4 inner wall of exhaust gas filter cylinder everywhere, cause exhaust gas filter cylinder 4
Vibration, which is got rid of, makees random vibration under the resilient support for expecting spring 16.Driving motor 11 drives driving screw rod 10 to rotate simultaneously, screw thread
The mounting disc 8 on driving screw rod 10 is mounted on due to the position-limiting action by locating rod 9, mounting disc 8 cannot be with driving screw rod 10
It rotates together, mounting disc 8 can only be moved back and forth along driving 10 length direction of screw rod, realize the cleaning to 4 inner wall of exhaust gas filter cylinder.
The two combines, and can be removed comprehensively to the flue dust being adsorbed on 4 inner wall of exhaust gas filter cylinder.Structure of the invention design is reasonable,
Cleaning brush 7 by reciprocating motion is that exhaust gas filter cylinder 4 is cleaned comprehensively, while cooperating 4 random vibration of exhaust gas filter cylinder, can
Effectively the flue dust being adsorbed on exhaust gas filter cylinder 4 is removed, the unimpeded of exhaust gas filtration channel is avoided, substantially increases Industry Waste
Expect the treatment effeciency of waste gas from incinerator.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, also do not limit the specific embodiment that the invention is only.Obviously, according to the content of this specification, can make
Many modifications and variations.These embodiments are chosen and specifically described to this specification, is original in order to better explain the present invention
Reason and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only authorized
The limitation of sharp claim and its full scope and equivalent.
Claims (6)
1. a kind of industrial waste waste gas from incinerator processing unit, it is characterised in that: including treatment box (1), treatment box (1) bottom surface
On be fixedly installed with support frame (2), be equipped with exhaust gas inlet (3) on treatment box (1) left and right side, two exhaust gas into
Exhaust gas filter cylinder (4) are equipped between mouth (3), and the exhaust gas filter cylinder (4) is slidably mounted on the treatment box (1) inner wall, it is described
It is connected with dust discharge cylinder (5) in the middle part of exhaust gas filter cylinder (4), and movable between dust discharge cylinder (5) bottom surface and the treatment box (1) inner wall
Equipped with sealing cover (6), cleaning brush (7) are equipped in the exhaust gas filter cylinder (4), cleaning brush (7) inner ring is fixedly installed with installation
Disk (8) slidably connects locating rod (9) on the mounting disc (8), and the locating rod (9) is fixedly mounted on the treatment box
(1) on inner wall, driving screw rod (10) is threaded on the mounting disc (8), the driving screw rod (10) is movably arranged on institute
It states on treatment box (1), wherein one end passes through the treatment box (1) and is sequentially connected with driving motor the driving screw rod (10)
(11), the driving motor (11) is fixedly mounted on the treatment box (1) right side.
2. a kind of industrial waste waste gas from incinerator processing unit according to claim 1, it is characterised in that: two exhaust gas
Import (3) is connected with the isocon (12) of " Kan " shape jointly, is connected in the middle part of the isocon (12) and concentrates air inlet pipe (13).
3. a kind of industrial waste waste gas from incinerator processing unit according to claim 1, it is characterised in that: the treatment box
(1) inner bottom surface is arranged to conical surface shape, and screw thread is equipped with dust discharge lid (14) on treatment box (1) bottom surface.
4. a kind of industrial waste waste gas from incinerator processing unit according to claim 1, it is characterised in that: the treatment box
(1) observation window (15) are installed on leading flank.
5. a kind of industrial waste waste gas from incinerator processing unit according to claim 1, it is characterised in that: the treatment box
(1) several vibrations are uniformly installed between inner bottom surface and the sealing cover (6) and get rid of material spring (16).
6. a kind of industrial waste waste gas from incinerator processing unit according to claim 1, it is characterised in that: the driving screw rod
(10) reciprocating screw rod is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910642218.XA CN110354602A (en) | 2019-07-16 | 2019-07-16 | A kind of industrial waste waste gas from incinerator processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910642218.XA CN110354602A (en) | 2019-07-16 | 2019-07-16 | A kind of industrial waste waste gas from incinerator processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110354602A true CN110354602A (en) | 2019-10-22 |
Family
ID=68220239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910642218.XA Pending CN110354602A (en) | 2019-07-16 | 2019-07-16 | A kind of industrial waste waste gas from incinerator processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110354602A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864304A (en) * | 2019-12-03 | 2020-03-06 | 青岛山海茗悦商贸有限公司 | Waste gas purification robot and method for incinerator |
| CN112370910A (en) * | 2020-10-10 | 2021-02-19 | 芜湖质勉信息科技有限公司 | Water atomization cleaning equipment for cotton fiber processing dust and water-sewage separation method thereof |
| CN113137615A (en) * | 2021-04-28 | 2021-07-20 | 杨凌锦华生态技术股份有限公司 | Movable high-efficiency low-consumption comprehensive treatment device for heavy metal restoration plant residues |
-
2019
- 2019-07-16 CN CN201910642218.XA patent/CN110354602A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864304A (en) * | 2019-12-03 | 2020-03-06 | 青岛山海茗悦商贸有限公司 | Waste gas purification robot and method for incinerator |
| CN112370910A (en) * | 2020-10-10 | 2021-02-19 | 芜湖质勉信息科技有限公司 | Water atomization cleaning equipment for cotton fiber processing dust and water-sewage separation method thereof |
| CN113137615A (en) * | 2021-04-28 | 2021-07-20 | 杨凌锦华生态技术股份有限公司 | Movable high-efficiency low-consumption comprehensive treatment device for heavy metal restoration plant residues |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191022 |
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| WD01 | Invention patent application deemed withdrawn after publication |