CN208050565U - A kind of dry film slag solid-liquid separating machine - Google Patents
A kind of dry film slag solid-liquid separating machine Download PDFInfo
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- CN208050565U CN208050565U CN201820158202.2U CN201820158202U CN208050565U CN 208050565 U CN208050565 U CN 208050565U CN 201820158202 U CN201820158202 U CN 201820158202U CN 208050565 U CN208050565 U CN 208050565U
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Abstract
The utility model discloses a kind of dry film slag solid-liquid separating machine, including acidification reactor and slag-liquid separation slot, acidification reactor includes reactor body, a pair of pulverization roller for crushing dry film slag material is provided in reactor body, reactor body includes top plate, side plate and bottom plate, it is provided with feed inlet on top plate, acid solution import is provided on side plate；A pair of of pulverization roller is located at the underface of feed inlet, and the axis of pulverization roller is parallel with the length direction of feed inlet；It is respectively arranged with a striker plate in the both sides of feed inlet lower end, the top of striker plate is connect with top plate, and there are spacing, the bottom end of striker plate to be equipped with the Flexible brush that free end is abutted against with pulverization roller between bottom end and pulverization roller；Mixing component is provided on bottom plate；Slag-liquid separation slot is connected with reactor body, and is provided with liquid outlet, and the filter screen of filter membrane slag liquid is provided in slag-liquid separation slot.The device of the application can be such that useless film slag is separated by solid-liquid separation, simple in structure and compact, occupy little space, manufacturing cost is low.
Description
Technical field
The utility model is related to film Slag treatment field more particularly to a kind of dry film slag solid-liquid separating machines.
Background technology
Currently, in the production process of assist side, it may be desirable to make circuit board using dry film or wet film technique, make
It will produce a large amount of dry film slag or wet film slag in journey, these film slags are in strong basicity, have strong corrosive, contain in film slag a large amount of
Organic matter has high COD value.Since film slag is without economic value, the dry film slag or wet directly generated in the industrial production
The dry film slag that film slag obtains after drying is then generally handled by incinerating, and still, can be caused sternly to environment based on dry film slag
Weight pollution, relevant department then to the incineration process of this dangerous waste object of dry film slag be provided with index limitation, how harmless treatment
Dry film slag and how separating the corrosive substance in dry film slag is a problem to be solved.
However, existing dry film slag equipment for separating liquid from solid generally uses multiple independent equipment (including reservoir, to crush
Machine, acidification slot, blender, dewaterer or centrifuge or filter press etc.) it is made up of piping connection, structure is more complex and not tight
It gathers, while occupied space is big, manufacturing cost is high.
Therefore, a kind of simple in structure and compact there is an urgent need for proposing, it occupies little space, the low dry film slag of manufacturing cost is separated by solid-liquid separation
Device.
Utility model content
(1) technical problems to be solved
In order to solve the above problem of the prior art, the utility model provides a kind of simple in structure and compact, occupied space
It is small, the low dry film slag equipment for separating liquid from solid of manufacturing cost.
(2) technical solution
In order to achieve the above object, the main technical schemes of the utility model use include：
The utility model provides a kind of dry film slag solid-liquid separating machine, including acidification reactor and slag-liquid separation slot, the acid
It includes reactor body to change reactor, and a pair of pulverization roller for crushing dry film slag material is provided in the reactor body,
The reactor body includes top plate, side plate and bottom plate, and feed inlet is provided on the top plate, acid solution is provided on the side plate
Import；
The pair of pulverization roller is arranged in the underface of feed inlet, and the length direction of the axis of pulverization roller and feed inlet is flat
Row；It is respectively arranged with a striker plate in the both sides of feed inlet lower end, the top of the striker plate is connect with top plate, bottom end and crushing
There are spacing, the bottom end of the striker plate to be provided with Flexible brush between roller, and free end and the pulverization roller of the Flexible brush abut against；
It is provided with mixing component on bottom plate in the reactor body；
The slag-liquid separation slot is connected with the bottom of reactor body, and filter screen is provided in the slag-liquid separation slot,
For filter membrane slag liquid；It is provided with liquid outlet on the side wall of the slag-liquid separation slot.
According to the utility model, the lower section on the side plate inner wall of the reactor body positioned at pulverization roller is pacified along circumferential direction
Acid solution spray tube equipped with a ring shape is evenly equipped with several spray apertures on the outer wall of the acid solution spray tube；The acid solution spray
Shower pipe is connected with the acid solution import on reactor body side plate, and acid solution import is connected by acid liquor delivery pipe with acid solution storage tank
It connects, acid solution delivery pump is connected in the acid liquor delivery pipe.
Further include stretching into the acid solution spray manifold being arranged in reactor body according to the utility model, the acid solution spray
One end of manifold is connected with the acid solution import on reactor body side plate, other end closing, on the acid solution spray manifold
Several acid solution spray branch pipes are connected with to cloth, the free end of the acid solution spray branch pipe has opening, and acid solution import passes through acid
Liquid delivery pipe is connected with acid solution storage tank, and acid solution delivery pump is connected in the acid liquor delivery pipe.
According to the utility model, the pulverization roller includes the first pulverization roller and the second pulverization roller, first pulverization roller
It is provided at both ends with first bearing seat, the first bearing seat position is adjustably arranged on reactor body.
According to the utility model, second pulverization roller is provided at both ends with second bearing seat, and the second bearing seat is logical
Elastic component is crossed to connect with reactor body.
According to the utility model, the mixing component includes the agitating shaft for the bottom plate setting for protruding reactor body, described
Several stirring blades are equally spaced installed, the agitating shaft is connect with driving motor on agitating shaft.
According to the utility model, the bottom plate for connecting the reactor body is obliquely installed, and the bottom plate is far from reactor sheet
One end height of the liquid outlet of body is higher than bottom plate close to one end height of the liquid outlet of reactor body.
According to the utility model, it is provided with liquid outlet in the bottom side plate of the reactor body, this liquid outlet is close to anti-
The bottom plate of device ontology is answered to be arranged, the side wall of the slag-liquid separation slot is provided with inlet, the inlet on the slag-liquid separation slot
It is connected with the liquid outlet of reactor body by delivery pipe, one end and slag-liquid separation slot is provided in the slag-liquid separation slot
The film slag liquid delivery pipe that inlet is connected, the other end of the film slag liquid delivery pipe be connected with positioned at the surface of filter screen and
The spray hood that Open Side Down.
According to the utility model, the film slag liquid delivery pipe is the bending tube of L-type, and the spray hood is up-narrow and down-wide cover
Body.
According to the utility model, connects and is provided with solenoid valve in the delivery pipe of the slag-liquid separation slot and reactor body,
The solenoid valve, driving motor and the driving device for driving pulverization roller to rotate are electrically connected with the controller.
(3) advantageous effect
The utility model has the beneficial effects that：
It is equipped with a pair of of pulverization roller in the acidification reactor of the utility model, dry film slag is crushed by pulverization roller, energy
Enough make the alkaline corrosion substance contained in dry film slag that neutralization reaction more fully occur with acid solution, to go as thoroughly as possible
Except the alkaline corrosion substance in dry film slag；The film slag liquid generated after the acidified processing of dry film slag of crushing enters slag-liquid separation slot
In, by the filtering of filter screen, film slag stays on filter screen, and the slag liquid dissolved with alkaline corrosion substance flows out, to isolate
Corrosive substance in dry film slag realizes the separation of solid and liquid of dry film slag.Pass through piping connection structure with using multiple independent equipment
At existing dry film slag equipment for separating liquid from solid compare, the dry film slag solid-liquid separating machine of the utility model is simple in structure and compact, accounts for
It is small with space, greatly reduce manufacturing cost.
In the present invention, by the setting of striker plate, and Flexible brush is set between striker plate and pulverization roller, it can
To strip down the dry film slag sticked on pulverization roller from pulverization roller, a large amount of dry film slag is avoided to be deposited on pulverization roller,
Pulverization roller is set to run well and implement to crush to dry film slag, meanwhile, Flexible brush has clean effect to pulverization roller, improves
The cleaning effect of pulverization roller saves the time cleared up pulverization roller.
Description of the drawings
Fig. 1 is the structural schematic diagram for the dry film slag solid-liquid separating machine that the utility model embodiment 1 provides；
Fig. 2 is the structural schematic diagram for the dry film slag solid-liquid separating machine that the utility model embodiment 2 provides.
In figure：
1, feed inlet；2, acid solution import；3, pulverization roller；4, striker plate；5, acid solution spray tube；6, spray apertures；7, agitating shaft；
8, stirring blade；9, filter screen；10, film slag liquid delivery pipe；11, spray hood；12, bottom plate；13, acid solution sprays manifold；14, acid solution
Spray branch pipe；15, acidification reactor；16, slag-liquid separation slot.
Specific implementation mode
It is below in conjunction with the accompanying drawings, right by specific implementation mode in order to understand in order to preferably explain the utility model
The utility model is described in detail.
Embodiment 1
As shown in Figure 1, embodiment 1 proposes a kind of preferred dry film slag solid-liquid separating machine, including acidification reactor 15 and with
The slag-liquid separation slot 16 that the bottom of acidification reactor 15 is connected, acidification reactor 15 include reactor body, reactor body
Including top plate, side plate and bottom plate 12, it is provided with feed inlet 1 on top plate, dry film is provided into reactor body by the feed inlet 1
Slag material.It is provided with acid solution import 2 on side plate, acid solution is provided into reactor body by the acid solution import 2.In order to reduce
Pollution to environment, acid solution select the dilution heat of sulfuric acid of a concentration of 0.5mol/L, sulfuric acid solution that can contain with dry film slag
Alkaline corrosion substance occur neutralization reaction, to be conducive to remove dry film slag in alkaline corrosion substance.
A pair of pulverization roller 3 for crushing dry film slag material is provided in reactor body, this to pulverization roller 3 be arranged into
The underface of material mouth 1, and the axis of pulverization roller 3 is parallel with the length direction of feed inlet 1.Distinguish in the both sides of 1 lower end of feed inlet
It is provided with a striker plate 4, the top of striker plate 4 is connect with top plate, and there are spacing, the bottoms of striker plate 4 between bottom end and pulverization roller 3
End is provided with Flexible brush, and free end and the pulverization roller 3 of Flexible brush abut against.
Flexible brush is set by the setting of striker plate 4, and between striker plate 4 and pulverization roller 3, can will stick in powder
Dry film slag on broken roller 3 is stripped down from pulverization roller, is avoided a large amount of dry film slag from being deposited on pulverization roller 3, is enable pulverization roller 3
It is enough to run well and dry film slag is implemented to crush, meanwhile, Flexible brush has clean effect to pulverization roller 3, improves pulverization roller 3
Cleaning effect saves the time cleared up pulverization roller 3.
Above-mentioned a pair of of pulverization roller 3 includes the first pulverization roller and the second pulverization roller, and the first pulverization roller is provided at both ends with the
One bearing block, first bearing seat position are adjustably arranged on reactor body.Pass through the adjustable setting in first bearing seat position
On reactor body, the adjustment of relative position between the first pulverization roller and the second pulverization roller may be implemented, thus, it is possible to according to
The crushing effect of dry film slag material, the flexible spacing adjusted between the first pulverization roller and the second pulverization roller.
Long waist shaped hole is provided on reactor body, first bearing seat is mounted on by screw on long waist shaped hole.Pass through
The difference of one bearing block and long waist shaped hole allocation position, may be implemented the adjustment of first bearing seat position.
Second pulverization roller is provided at both ends with second bearing seat, and second bearing seat is connected by elastic component and reactor body
It connects.It is arranged on reactor body by elastic component by second bearing seat, the first pulverization roller and the second pulverization roller are worked
Cheng Zhong, position between the two can be adjusted into Mobile state.Further improve crushing effect.
The acid solution of one ring shape is installed on the side plate inner wall of reactor body positioned at the lower section of pulverization roller 3 along circumferential direction
Spray tube 5 is evenly equipped with several spray apertures 6 on the outer wall of acid solution spray tube 5.A circle acid solution spray tube 5 and reactor for annular
Acid solution import 2 on ontology side plate is connected, and acid solution import 2 is connected by acid liquor delivery pipe with external acid solution storage tank,
Acid solution delivery pump is connected in acid liquor delivery pipe.Pass through the design of above acid liquor delivery pipe road and acid solution spray pipeline, sulfuric acid
Solution can equably be sprayed by spray apertures 6, with the dry film slag material after the crushing of a pair of of pulverization roller 3 in reactor sheet
Internal bottom obtains being sufficiently mixed dissolving, and sulfuric acid is made preferably to carry out neutralizing instead with the alkaline corrosion substance in dry film slag
It answers, the final alkaline corrosion substance removed in dry film slag.
It is provided with mixing component on bottom plate 12 in reactor body, which includes reactor body protruding upward
The agitating shaft 7 that is arranged of bottom plate 12, agitating shaft 7 connect with driving motor, several stirrings are equally spaced equipped on agitating shaft 7
Blade 8.Under the driving of driving motor, stirring blade 8 rotates, sulfuric acid solution and the alkaline corrosion substance in dry film slag
Can more fully mixed dissolution, so that the alkaline corrosion substance in dry film slag is dissolved in sulfuric acid solution as thoroughly as possible,
To isolate the alkaline corrosion substance in dry film slag, the separation of solid and liquid of dry film slag is realized.
It is provided with liquid outlet in the bottom side plate of reactor body, this liquid outlet is arranged close to the bottom plate of reactor body,
The bottom plate 12 of connection reactor body is obliquely installed, and one end height of liquid outlet of the bottom plate 12 far from reactor body is higher than bottom plate
12 close to the liquid outlet of reactor body one end height.It is obliquely installed by the bottom plate 12 of reactor body, makes sulfuric acid and do
Successfully outflow reactor sheet is external in the case where the inclination of bottom plate 12 drives for film slag liquid after film slag material mixed dissolution, and enters slag
It is filtered in liquid separating tank 16, avoids coming in transport membrane slag liquid to slag-liquid separation slot 16 using delivery pump, increase cost.
The side wall of slag-liquid separation slot 16 is provided with inlet and liquid outlet, and 2 inlet passes through conveying on slag-liquid separation slot
Pipe is connected with the liquid outlet of reactor body.It is provided with filter screen 9 in slag-liquid separation slot 16, is used for filter membrane slag liquid, separation
Membrane slag solid and acid solution dissolved with alkaline corrosion substance.It is provided with one end and slag-liquid separation in slag-liquid separation slot 16
The film slag liquid delivery pipe 10 that the inlet of slot 16 is connected, the other end of film slag liquid delivery pipe 10 are connected with positioned at filter screen 9
Surface and the spray hood 11 that Open Side Down.Film slag liquid first passes through film slag liquid delivery pipe 10 and is flowed down by spray hood 11, then through lower section
Filter screen 9 filter.
In embodiment 1, the bending tube of above-mentioned film slag liquid delivery pipe 10 preferably easily manufactured L-type, and bending tube
It is open-ended downwards.The preferably up-narrow and down-wide cover body of above-mentioned spray hood 11, increases a discharge of film slag liquid, into
And the film slag liquid amount once filtered is also increased, to improve the solid-liquid separation efficiency of useless film slag.
In embodiment 1, solenoid valve, electromagnetism are provided in the delivery pipe of connection slag-liquid separation slot 16 and reactor body
Valve, driving motor, the driving device for driving pulverization roller 3 to rotate and acid solution delivery pump are electrically connected with the controller.Pass through control
Device processed controls being turned on and off for solenoid valve, controls the rotary speed of driving motor, and a pair of of pulverization roller 3 of control driving rotates
The running speed of driving device (such as motor), and being turned on and off for acid solution delivery pump is controlled, it realizes automation control, improves
The solid-liquid separation efficiency of useless film slag.
Embodiment 2
As shown in Fig. 2, the dry film slag solid-liquid point of the structure for the dry film slag solid-liquid separating machine that embodiment 2 proposes and embodiment 1
Structure of disembarking difference place is：Acid solution spray pipeline structure is different.
Specifically, in example 2, the lower section on the side plate inner wall of reactor body positioned at pulverization roller 3 is inwardly extended with
One acid solution sprays manifold 13, and one end of acid solution spray manifold 13 is connected with the acid solution import 2 on reactor body side plate, acid solution
Import 2 is connected by acid liquor delivery pipe with acid solution storage tank, and acid solution delivery pump is connected in acid liquor delivery pipe, and acid solution sprays manifold
13 other end closing, acid solution sprays is connected with several acid solutions spray branch pipes 14 in uniform way on manifold 13, acid solution sprays branch pipe 14
It is connected to the lower section of acid solution spray manifold 13, the free end that acid solution sprays branch pipe 14 has opening.
By the acid liquor delivery pipe road of embodiment 2 and the design of acid solution spray pipeline, sulfuric acid solution also can equably by
The opening of acid solution spray branch pipe 14 is sprayed, with the dry film slag material after the crushing of a pair of of pulverization roller 3 in reactor body
Interior bottom obtains being sufficiently mixed dissolving, and sulfuric acid is made preferably to carry out neutralization reaction with the alkaline corrosion substance in dry film slag,
Alkaline corrosion substance in final removal dry film slag.
To sum up, it is equipped with a pair of of pulverization roller in the acidification reactor of the utility model, powder is carried out to dry film slag by pulverization roller
It is broken, it can make the alkaline corrosion substance contained in dry film slag that neutralization reaction more fully occur with acid solution, to as thorough as possible
Remove to bottom the alkaline corrosion substance in dry film slag；The film slag liquid generated after the acidified processing of dry film slag of crushing enters slag liquid
In separating tank, by the filtering of filter screen, film slag stays on filter screen, and the slag liquid dissolved with alkaline corrosion substance flows out, to
The corrosive substance in dry film slag is isolated, realizes the separation of solid and liquid of dry film slag.
Compared with the existing dry film slag equipment for separating liquid from solid being made up of piping connection using multiple independent equipment, this reality
It is simple in structure and compact with novel dry film slag solid-liquid separating machine, it occupies little space, greatly reduces manufacturing cost.
It is to be appreciated that above to the description of specific embodiment of the utility model progress simply to illustrate that this practicality
Novel technology path and feature, its object is to allow those skilled in the art that can understand the content of the utility model simultaneously
Implement according to this, but the utility model is not limited to above-mentioned particular implementation.Every range in the utility model claims
The various change inside made or modification should all be covered within the protection scope of the present utility model.
Claims (10)
1. a kind of dry film slag solid-liquid separating machine, it is characterised in that：It is described including acidification reactor (15) and slag-liquid separation slot (16)
Acidification reactor (15) includes reactor body, and a pair of powder for crushing dry film slag material is provided in the reactor body
Broken roller (3), the reactor body include top plate, side plate and bottom plate (12), and feed inlet (1) is provided on the top plate, described
Acid solution import (2) is provided on side plate；
The pair of pulverization roller (3) is arranged in the underface of feed inlet (1), and the length of the axis of pulverization roller (3) and feed inlet (1)
It is parallel to spend direction；It is respectively arranged with a striker plate (4), the top and top of the striker plate (4) in the both sides of feed inlet (1) lower end
Plate connects, and there are spacing, the bottom end of the striker plate (4) to be provided with Flexible brush, the Flexible brush between bottom end and pulverization roller (3)
Free end abutted against with pulverization roller (3)；
It is provided with mixing component on bottom plate in the reactor body；
The slag-liquid separation slot (16) is connected with the bottom of reactor body, and filtering is provided in the slag-liquid separation slot (16)
Net (9) is used for filter membrane slag liquid；It is provided with liquid outlet on the side wall of the slag-liquid separation slot (16).
2. dry film slag solid-liquid separating machine as described in claim 1, it is characterised in that：
The acid of one ring shape is installed on the side plate inner wall of the reactor body positioned at the lower section of pulverization roller (3) along circumferential direction
Liquid spray tube (5) is evenly equipped with several spray apertures (6) on the outer wall of the acid solution spray tube (5)；The acid solution spray tube (5)
It is connected with the acid solution import (2) on reactor body side plate, and acid solution import (2) passes through acid liquor delivery pipe and acid solution storage tank phase
It connects, acid solution delivery pump is connected in the acid liquor delivery pipe.
3. dry film slag solid-liquid separating machine as described in claim 1, it is characterised in that：
Further include stretching into the acid solution spray manifold (13) being arranged in reactor body, one end of the acid solution spray manifold (13) with
Acid solution import (2) on reactor body side plate is connected, other end closing, connects in uniform way on the acid solution spray manifold (13)
Several acid solution spray branch pipes (14) are connected to, the free end of the acid solution spray branch pipe (14) has opening, and acid solution import (2) is logical
It crosses acid liquor delivery pipe with acid solution storage tank to be connected, acid solution delivery pump is connected in the acid liquor delivery pipe.
4. dry film slag solid-liquid separating machine as described in claim 1, it is characterised in that：
The pulverization roller (3) includes the first pulverization roller and the second pulverization roller, and first pulverization roller is provided at both ends with first axle
Bearing, the first bearing seat position are adjustably arranged on reactor body.
5. dry film slag solid-liquid separating machine as claimed in claim 4, it is characterised in that：
Second pulverization roller is provided at both ends with second bearing seat, and the second bearing seat passes through elastic component and reactor body
Connection.
6. dry film slag solid-liquid separating machine as described in claim 1, it is characterised in that：
The mixing component includes the agitating shaft (7) for bottom plate (12) setting for protruding reactor body, and the agitating shaft (7) is first-class
Compartment of terrain is equipped with several stirring blades (8), and the agitating shaft (7) connect with driving motor.
7. dry film slag solid-liquid separating machine as claimed in claim 6, it is characterised in that：
The bottom plate (12) for connecting the reactor body is obliquely installed, liquid outlet of the bottom plate (12) far from reactor body
One end height is higher than bottom plate (12) close to one end height of the liquid outlet of reactor body.
8. dry film slag solid-liquid separating machine as claimed in claim 7, it is characterised in that：
It is provided with liquid outlet in the bottom side plate of the reactor body, this liquid outlet is set close to the bottom plate (12) of reactor body
It sets, the side wall of the slag-liquid separation slot (16) is provided with inlet, and the inlet on the slag-liquid separation slot (16) passes through conveying
Pipe is connected with the liquid outlet of reactor body, and one end and slag-liquid separation slot (16) are provided in the slag-liquid separation slot (16)
The other end of the film slag liquid delivery pipe (10) that inlet is connected, the film slag liquid delivery pipe (10) is connected with positioned at filter screen
(9) surface and the spray hood (11) that Open Side Down.
9. dry film slag solid-liquid separating machine as claimed in claim 8, it is characterised in that：
The film slag liquid delivery pipe (10) is the bending tube of L-type, and the spray hood (11) is up-narrow and down-wide cover body.
10. dry film slag solid-liquid separating machine as claimed in claim 8, it is characterised in that：
It connects and is provided with solenoid valve, the solenoid valve, driving in the slag-liquid separation slot (16) and the delivery pipe of reactor body
Motor and for drive pulverization roller (3) rotate driving device be electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820158202.2U CN208050565U (en) | 2018-01-30 | 2018-01-30 | A kind of dry film slag solid-liquid separating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820158202.2U CN208050565U (en) | 2018-01-30 | 2018-01-30 | A kind of dry film slag solid-liquid separating machine |
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| Publication Number | Publication Date |
|---|---|
| CN208050565U true CN208050565U (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820158202.2U Active CN208050565U (en) | 2018-01-30 | 2018-01-30 | A kind of dry film slag solid-liquid separating machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622192A (en) * | 2018-12-25 | 2019-04-16 | 宁波越茂活性炭有限公司 | A kind of activated carbon treatment device |
| CN112404099A (en) * | 2020-10-29 | 2021-02-26 | 惠州市特创电子科技有限公司 | Circuit board waste residue treatment equipment |
-
2018
- 2018-01-30 CN CN201820158202.2U patent/CN208050565U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622192A (en) * | 2018-12-25 | 2019-04-16 | 宁波越茂活性炭有限公司 | A kind of activated carbon treatment device |
| CN109622192B (en) * | 2018-12-25 | 2020-12-29 | 宁波越茂活性炭有限公司 | Active carbon treatment device |
| CN112404099A (en) * | 2020-10-29 | 2021-02-26 | 惠州市特创电子科技有限公司 | Circuit board waste residue treatment equipment |
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| CP02 | Change in the address of a patent holder |
Address after: 518129 Room 401, building 1, Jinyuan science and Technology Industrial Park, 52 Fengmen Road, Gangtou community, Bantian street, Longgang District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN SHUANGRUI ENVIRONMENTAL ENERGY TECHNOLOGY Co.,Ltd. Address before: 518131 Shenzhen 127 new art industrial park, 127, bu long road, min Zhi street, Longhua New District, Shenzhen, A1006 Patentee before: SHENZHEN SHUANGRUI ENVIRONMENTAL ENERGY TECHNOLOGY Co.,Ltd. |
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