CN207307603U - A kind of adsorbent equipment for being used to handle printing exhaust gas - Google Patents
A kind of adsorbent equipment for being used to handle printing exhaust gas Download PDFInfo
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- CN207307603U CN207307603U CN201721057709.0U CN201721057709U CN207307603U CN 207307603 U CN207307603 U CN 207307603U CN 201721057709 U CN201721057709 U CN 201721057709U CN 207307603 U CN207307603 U CN 207307603U
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- Prior art keywords
- tower body
- filter tower
- triangle
- drop filter
- exhaust gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of adsorbent equipment for being used to handle printing exhaust gas, drop filter tower body and nutrition liquid pool including vertical hollow structure, exhaust pipe is connected with the top of the drop filter tower body, drop filter tower body bottom outer wall is equipped with the air inlet pipe penetrated in drop filter tower body, drip the vertical set square packing layer for being equipped with two layers or more than two layers in filter tower body, water-distributing device is equipped with the set square packing layer, the water-distributing device is equipped with the feed pipe for being pierced by drop filter tower body, the feed pipe is pierced by drop filter tower body one end and extends downwardly and be connected with pulse pump, the pulse pump is connected by pipeline with bottom in drop filter tower body；The nutrition liquid pool is connected also by valvular pipeline is set with bottom in drop filter tower body；The utility model provides a kind of filler and water distribution scheme by new structure and improves the treatment effeciency of whole device and can reduce the adsorbent equipment for being used to handle printing exhaust gas of use cost.
Description
Technical field
It the utility model is related to emission-control equipment field, in particular to a kind of absorption dress for being used to handle printing exhaust gas
Put.
Background technology
During packages printing industry production, have a large amount of ethanol, ethyl acetate, butyl acetate, propyl acetate and
The organic gas volatile emission such as toluene, dimethylbenzene.Exhaust gas produces main in inking and drying, recombination process, has evaporated
Solvent is the main source of exhaust emission.It is complicated to print exhaust gas constituents, peculiar smell weight is inflammable and explosive, the not purified discharge of exhaust gas
It is larger to surrounding enviroment afterwards.Simultaneously as the complicated component of VOC, the characteristic of various pollutants is different therefore any single
VOC control methods are influenced by its removal capacity, investment operating cost and the scope of application.Various controls must also be optimized by administering VOC
Technology processed and the combination technique of the different control methods of exploitation, improve removal rate, reduce cost and reduce secondary pollution to reach
Purpose, this is the current the main direction of development for removing VOC.And have in the prior art in a kind of consumption exhaust gas using microbial metabolism
Volatile organic gas technique, be called bio-trickling technique, its principle is exactly to be hung over using on the biologic packing material in tower body
Microorganism is handled, and provides necessary nutrient to microorganism by the nutrient solution circulated sprinkling system of circulation, so that
It quickly can breed and consume the volatile organic gas in exhaust gas.
But bio-trickling filter of the prior art usually carries out processing organic exhaust gas using relatively intensive filler, and existing
Stuffing frame can hinder the processing and flowing of exhaust gas after prolonged use, cause the treatment effeciency of whole bio-trickling filter to drop
It is low so that the necessary periodic cleaning biometric safeguard drop filter tower of administrative staff, adds the use cost in later stage, be also unfavorable for organic waste
The uninterrupted processing of gas；And spray tube is often placed on biologic packing material top by the prior art so that nutrient solution is from upper strata
Filler permeates layer by layer to be moved downward, and nutrient solution skewness not only occur causes topical microbial to fail and come off, but also nutrition
The utilization rate of liquid is smaller, causes cost to increase.
Utility model content
Cause less efficient and water distribution is uneven to cause topical microbial to lose for the setting of above-mentioned filler in the prior art is overstocked
The problem of effect, the utility model provide the treatment effeciency that a kind of filler and water distribution scheme by new structure improves whole device
And the adsorbent equipment for being used to handle printing exhaust gas of use cost can be reduced.
The utility model is achieved through the following technical solutions：It is a kind of handle printing exhaust gas processing unit, including it is vertical in
The drop filter tower body and nutrition liquid pool of hollow structure, the drop filter tower body top are connected with exhaust pipe, drip and set in filter tower body bottom outer wall
There is the air inlet pipe penetrated in drop filter tower body, drip the vertical set square packing layer for being equipped with two layers or more than two layers in filter tower body, it is described
Water-distributing device is equipped with set square packing layer, the water-distributing device is equipped with the feed pipe for being pierced by drop filter tower body, the feed pipe
It is pierced by drop filter tower body one end to extend downwardly and be connected with pulse pump, the pulse pump is connected by pipeline and bottom in drop filter tower body
It is logical；The nutrition liquid pool is connected also by valvular pipeline is set with bottom in drop filter tower body.
The principle of the utility model：The present apparatus is a kind of technique of bio-trickling filter, using on biologic packing material carry it is micro-
Biology carries out processing volatile organic matter.The essence of bio-trickling is attached to microorganism on biologic packing material in suitable environment
Under the conditions of, by the use of the pollutant in exhaust gas as carbon source and the energy, its vital movement is maintained, and they are decomposed into CO2、H2O etc.
The process of harmless inorganic matter.Pollutant undergoes the mass transport process to solid-liquid phase by gas phase first in exhaust gas, then just in solid-liquid
It is degraded by microorganisms in phase.Its principle handled is the prior art, is technological means known in those skilled in the art, then
It is secondary to repeat no more.Entered in the present apparatus by the way that printing exhaust gas is passed through in air inlet pipe in drop filter tower body, then up movement and two
The packing layer contact of layer set square, the volatility decomposed in printing exhaust gas is absorbed by the microorganism on two layers of set square packing layer to be had
Machine thing, is finally discharged from exhaust pipe.And nutrition liquid pool is the pond body knot of other nutritional ingredients needed for configuring Institute of Micro-biology
Structure, administrative staff according to printing exhaust-gas treatment amount in the case of actual treatment and print the content of volatile organic matter in exhaust gas,
Carry out the liquid that periodically has additional nutrients.And pH adjusting agent is added with the nutrient solution, easy to improve the microorganism ring inside drop filter tower body
Border, to be adjusted to be most suitable for the pH environment of microbial reproduction.Bottom is equipped with cavity in drop filter tower body, is used to store from upper clan
The nutrient solution to get off, and the nutrient solution of storage is fed again into water-distributing device by pulse pump and is repeatedly utilized, to ensure
The higher utilization rate of nutrient solution.
Further, two layers of set square packing layer is equipped with the drop filter tower body, every layer of set square packing layer is from top to bottom
Level-one triangle flaggy, two level triangle flaggy and three-level triangle flaggy are divided into, the level-one triangle flaggy includes equidistant horizontal
Place and the four pieces of triangle filler plates of back-off downwards, the two level triangle flaggy include three pieces of opening centers to pseudo-first-order set square
Triangle filler plate in layer between corresponding adjacent two pieces of triangle filler plates on gap, the three-level triangle flaggy are opened including four pieces
Triangle filler plate in mouth center alignment two level triangle flaggy between corresponding adjacent two pieces of triangle filler plates on gap；All three
The both sides triangle edges of angle filler plate are fitted on the inner wall of corresponding drop filter tower body.Wherein, level-one triangle flaggy both sides
Triangle filler plate has side long side to be fitted on the drop filter tower body inner wall of corresponding side, to ensure that printing exhaust gas can only be from adjacent
By then printing exhaust gas connecing into level-one triangle flaggy excessively on gap or triangle filler plate between two triangle filler plates
Synapsis moves upwards after managing and two level triangle flaggy is further processed.Because the triangle filler plate in earphone triangle flaggy is equal
The gap of the triangle filler plate of the level-one triangle flaggy of lower part is correspond to, so the printing exhaust gas energy run from the leakage of level-one triangle flaggy
It is enough fully to be contacted with two level triangle flaggy, so as to improve treatment effect.It is last even again by the processing of three-level triangle flaggy, so that
Can completely uniformly it be handled with printing exhaust gas contact.
Further, the water-distributing device includes the spray tube being arranged in triangle filler plate broken line, and every spray tube prolongs
The radially equidistant divergent nozzle for being equipped with three or more than three.Can also on the premise of in order to ensure preferable water distribution effect as far as possible
It is enough reduce build, operation and maintenance cost, by the two level triangle flaggy in the set square packing layer of upper strata and three-level triangle flaggy,
It is designed with spray tube in each triangle filler plate in the three-level triangle flaggy of lower floor's set square packing layer, and remaining triangle
Spray tube is not provided with filler plate.Nutrient solution can uniformly be dispensed in by the divergent nozzle by triangle filler plate
Inner surface, then excessive nutrient solution can move down and fall the three of lower floor along the both sides inclined plate structure of triangle filler plate
On the filler plate of angle.
Further, the divergent nozzle includes the main hydraulic pipe of connection spray tube and is symmetricly set on the two of main hydraulic pipe lower end
Inclined tube of a opening towards triangle filler plate inner wall.
Further, the air inlet pipe, which penetrates one end end in drop filter tower body and is connected with to lie in a horizontal plane in, drips filter tower body inner circle
Columnar air-spreading disk, the air-spreading disk outside curve are equidistantly equipped with multiple ventholes, are equipped with air-spreading disk and guide air inlet uniformity into
The arc kuppe of venthole.Printing exhaust gas enters gas distribution tray bottom from air inlet pipe, then thinks surrounding by star-pursuing deflector
Ring-type curved surface moves, and is discharged from corresponding each venthole.By air-spreading disk venthole can be avoided to be vertically arranged to cause
Microorganism comes off the problem of resulting in blockage, and can be that printing exhaust gas can be contacted uniformly with set square packing layer.
Further, the drop filter tower body inner wall is equipped with teflon coatings.The Teflon coating can increase drop filter
Oleophobic effects in tower body, reduce liquid and adhering on drop filter tower body inner wall, the utilization rate for the liquid that has additional nutrients.
Further, the ventilating fan for being used for increasing gas flow rate is equipped between the exhaust pipe and drop filter tower body
The utility model compared with prior art, has the following advantages and beneficial effect：
The utility model is simple and compact for structure, can increase treatment effeciency by the triangle packing layer, and avoided
The problem of close setting filler causes to block, and by for the spray tube with triangle filler plate optimal design-aside and
Diffusion sprayer can further improve the utilization rate of nutrient solution, can make nutrient solution by the cooperation of spray tube and triangle filler plate
All microorganisms can be uniformly supplied to, avoid the problem that topical microbial failure, which occurs, to be occurred.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become apparent：
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of the utility model triangle filler plate；
Fig. 3 is the structure diagram of the air-spreading disk of the utility model.
Wherein：1-drop filter tower body, 2-nutrition liquid pool, 3-exhaust pipe, 4-air inlet pipe, 5-set square packing layer,
501-triangle filler plate, 502-spray tube, 6-feed pipe, 7-pulse pump, 8-divergent nozzle, 801-main hydraulic pipe, 802-
Inclined tube, 9-air-spreading disk, 10-arc kuppe, 11-ventilating fan.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that to the utility model
Limitation.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；Can also be connected directly or indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State concrete meaning of the term in the utility model.
Embodiment 1：
The processing unit of a kind of processing printing exhaust gas of the present embodiment, as shown in Figure 1, the filter of the drop including vertical hollow structure
Tower body 1 and nutrition liquid pool 2,1 top of drop filter tower body are connected with exhaust pipe 3, and 1 bottom outer wall of drop filter tower body, which is equipped with, penetrates drop
Air inlet pipe 4 in filter tower body 1, drips the vertical set square packing layer 5 for being equipped with two layers or more than two layers, the triangle in filter tower body 1
Water-distributing device is equipped with plate packing layer 5, the water-distributing device is equipped with the feed pipe 6 for being pierced by drop filter tower body 1, the feed pipe 6
It is pierced by 1 one end of drop filter tower body to extend downwardly and be connected with pulse pump 7, the pulse pump 7 passes through pipeline and bottom in drop filter tower body 1
Connection；The nutrition liquid pool 2 is connected also by valvular pipeline is set with bottom in drop filter tower body 1.The principle of the present embodiment：This
Device is a kind of technique of bio-trickling filter, and processing volatile organic matter is carried out using the microorganism of carry on biologic packing material.It is raw
The essence of thing drop filter is attached to the microorganism on biologic packing material under suitable environmental condition, is made using the pollutant in exhaust gas
For carbon source and the energy, its vital movement is maintained, and they are decomposed into CO2、H2The process of the harmless inorganic matter such as O.Polluted in exhaust gas
Thing undergoes the mass transport process to solid-liquid phase by gas phase first, is then just degraded by microorganisms in solid-liquid phase.Its original handled
Reason is the prior art, is technological means known in those skilled in the art, repeats no more again.By that will print in the present apparatus
Brush exhaust gas, which is passed through in air inlet pipe 4, to be entered in drop filter tower body 1, and movement then up is contacted with two layers of set square packing layer 5, passes through two
Microorganism on layer set square packing layer 5 absorbs the volatile organic matter decomposed in printing exhaust gas, is finally arranged from exhaust pipe 3
Go out.And nutrition liquid pool 2 is the pond body structure of other nutritional ingredients needed for configuring Institute of Micro-biology, administrative staff are according to actual place
Exhaust-gas treatment amount is printed in the case of reason and prints the content of volatile organic matter in exhaust gas, carrys out the liquid that periodically has additional nutrients.And institute
State and pH adjusting agent is added with nutrient solution, it is micro- to be adjusted to be most suitable for easy to improve the microbial environment inside drop filter tower body 1
The pH environment of biological self reproducing.Bottom is equipped with cavity in drop filter tower body 1, is used to store the nutrient solution fallen from top, and pass through
The nutrient solution of storage is fed again into water-distributing device and is repeatedly utilized by pulse pump 7, to ensure the higher utilization rate of nutrient solution.
Embodiment 2：
The present embodiment is on the basis of above-described embodiment, is further limited, and is equipped with two layers three in the drop filter tower body 1
Gusset packing layer 5, every layer of set square packing layer 5 are divided into level-one triangle flaggy, two level triangle flaggy and three-level from top to bottom
Triangle flaggy, the level-one triangle flaggy include equidistant horizontal positioned and are buckled to four pieces of downward triangle filler plates 501, and described two
Level triangle flaggy includes three pieces of opening centers between corresponding adjacent two pieces of triangle filler plates 501 in pseudo-first-order set square layer
Triangle filler plate 501 in gap, the three-level triangle flaggy include corresponding in four pieces of opening center alignment two level triangle flaggies
Triangle filler plate 501 between adjacent two pieces of triangle filler plates 501 on gap；The both sides triangle of all triangle filler plates 501
Side is fitted on the inner wall of corresponding drop filter tower body 1.Wherein, the triangle filler plate 501 of level-one triangle flaggy both sides has one
Side long side is fitted on 1 inner wall of drop filter tower body of corresponding side, to ensure that printing exhaust gas can only be from two neighboring triangle filler plate
By then printing exhaust gas into after crossing the contact processing of level-one triangle flaggy on gap or triangle filler plate 501 between 501
Upwards movement and two level triangle flaggy is further processed.Because the triangle filler plate 501 in earphone triangle flaggy is corresponding
The gap of the triangle filler plate 501 of the level-one triangle flaggy of lower part, so the printing exhaust gas energy run from the leakage of level-one triangle flaggy
It is enough fully to be contacted with two level triangle flaggy, so as to improve treatment effect.It is last even again by the processing of three-level triangle flaggy, so that
Can completely uniformly it be handled with printing exhaust gas contact.The other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 3：
The present embodiment is on the basis of above-described embodiment, is further limited, and the water-distributing device includes being arranged on three
Spray tube 502 in 501 broken line of angle filler plate, every spray tube 502 prolong the radially equidistant diffusion for being equipped with three or more than three
Nozzle 8.Construction, operation and maintenance cost can also be reduced on the premise of in order to ensure preferable water distribution effect as far as possible, will be upper
In two level triangle flaggy and three-level triangle flaggy in layer set square packing layer 5, the three-level set square of lower floor's set square packing layer 5
Spray tube 502 is designed with each triangle filler plate 501 in layer, and is not provided with spraying in remaining triangle filler plate 501
Shower pipe 502.Nutrient solution can uniformly be dispensed in the inner surface of triangle filler plate 501 by the divergent nozzle 8, then
Excessive nutrient solution can move down along the both sides inclined plate structure of triangle filler plate 501 and fall the triangle filler plate in lower floor
On 501.The other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 4：
The present embodiment is on the basis of above-described embodiment, is further limited, as shown in Fig. 2, the divergent nozzle 8 wraps
The main hydraulic pipe 801 for including connection spray tube 502 is open towards triangle filler plate with two that are symmetricly set on 801 lower end of main hydraulic pipe
The inclined tube 802 of 501 inner walls.The other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 5：
The present embodiment is on the basis of above-described embodiment, is further limited, as shown in figure 3, the air inlet pipe 4 penetrates
One end end is connected with the air-spreading disk 9 for lying in a horizontal plane in 1 inner cylindrical of drop filter tower body, the outside of air-spreading disk 9 in drop filter tower body 1
Surface Offset is equipped with multiple ventholes, and the arc kuppe 10 that air inlet uniformity is guided into venthole is equipped with air-spreading disk 9.Printing is useless
Gas enters air-spreading disk 9 bottom from air inlet pipe 4, then thinks the ring-type curved surface movement of surrounding by star-pursuing deflector, and from corresponding
Discharged in each venthole.By air-spreading disk 9 venthole can be avoided to be vertically arranged causes microorganism to come off asking of resulting in blockage
Topic occurs, and can be that printing exhaust gas can be contacted uniformly with set square packing layer 5.The other parts of the present embodiment with it is upper
It is identical to state embodiment, repeats no more.
Embodiment 6：
The present embodiment is on the basis of above-described embodiment, is further limited, and 1 inner wall of drop filter tower body is equipped with Teflon
Imperial coating.The Teflon coating can increase the oleophobic effects in drop filter tower body 1, reduce liquid and adhering in drop filter tower
On 1 inner wall of body, the utilization rate for the liquid that has additional nutrients.It is equipped between the exhaust pipe 3 and drop filter tower body 1 and is used for increasing gas flow rate
Ventilating fan 11.The other parts of the present embodiment are same as the previously described embodiments, repeat no more.
While there has been shown and described that the embodiment of the utility model, it will be understood by those skilled in the art that：
Under the principle and objective that do not depart from the utility model a variety of change, modification, replacement and modification can be carried out to these embodiments,
The scope of the utility model is limited by claim and its equivalent.
Claims (7)
1. a kind of adsorbent equipment for being used to handle printing exhaust gas, includes the drop filter tower body of vertical hollow structure（1）With nutrition liquid pool
（2）, the drop filter tower body（1）Top is connected with exhaust pipe（3）, drip filter tower body（1）Bottom outer wall, which is equipped with, penetrates drop filter tower body
（1）Interior air inlet pipe（4）, it is characterised in that：Drip filter tower body（1）The interior vertical set square packing layer for being equipped with two layers or more than two layers
（5）, the set square packing layer（5）Interior to be equipped with water-distributing device, the water-distributing device, which is equipped with, is pierced by drop filter tower body（1）Charging
Pipe（6）, the feed pipe（6）It is pierced by drop filter tower body（1）One end extends downwardly and is connected with pulse pump（7）, the pulse pump（7）
Pass through pipeline and drop filter tower body（1）Interior bottom connection；The nutrition liquid pool（2）Also by set valvular pipeline with drop filter tower body
（1）Interior bottom connection.
A kind of 2. adsorbent equipment for being used to handle printing exhaust gas according to claim 1, it is characterised in that：The drop filter tower
Body（1）Inside it is equipped with two layers of set square packing layer（5）, every layer of set square packing layer（5）Level-one set square is divided into from top to bottom
Layer, two level triangle flaggy and three-level triangle flaggy, the level-one triangle flaggy include equidistant horizontal positioned and downward back-off four
Block triangle filler plate（501）, the two level triangle flaggy is including three pieces of opening centers to corresponding phase in pseudo-first-order set square layer
Adjacent two pieces of triangle filler plates（501）Between triangle filler plate on gap（501）, the three-level triangle flaggy include four pieces opening
Corresponding adjacent two pieces of triangle filler plates in center alignment two level triangle flaggy（501）Between triangle filler plate on gap
（501）；All triangle filler plates（501）Both sides triangle edges be fitted in corresponding drop filter tower body（1）Inner wall on.
A kind of 3. adsorbent equipment for being used to handle printing exhaust gas according to claim 1 or 2, it is characterised in that：The cloth
Water installations include being arranged on triangle filler plate（501）Spray tube in broken line（502）, every spray tube（502）Prolong radially equidistant
Divergent nozzle equipped with three or more than three（8）.
A kind of 4. adsorbent equipment for being used to handle printing exhaust gas according to claim 3, it is characterised in that：The diffusion spray
Mouth（8）Including connecting spray tube（502）Main hydraulic pipe（801）Be symmetricly set on main hydraulic pipe（801）Two opening faces of lower end
To triangle filler plate（501）The inclined tube of inner wall（802）.
A kind of 5. adsorbent equipment for being used to handle printing exhaust gas according to claim 1 or 2, it is characterised in that：It is described into
Tracheae（4）Penetrate drop filter tower body（1）Interior one end end, which is connected with, lies in a horizontal plane in drop filter tower body（1）The air-spreading disk of inner cylindrical
（9）, the air-spreading disk（9）Outside curve is equidistantly equipped with multiple ventholes, air-spreading disk（9）Interior be equipped with guides air inlet uniformity into outlet
The arc kuppe in hole（10）.
A kind of 6. adsorbent equipment for being used to handle printing exhaust gas according to claim 1 or 2, it is characterised in that：The drop
Filter tower body（1）Inner wall is equipped with teflon coatings.
A kind of 7. adsorbent equipment for being used to handle printing exhaust gas according to claim 1 or 2, it is characterised in that：The row
Tracheae（3）With dripping filter tower body（1）Between be equipped with and be used for increasing the ventilating fan of gas flow rate（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057709.0U CN207307603U (en) | 2017-08-23 | 2017-08-23 | A kind of adsorbent equipment for being used to handle printing exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057709.0U CN207307603U (en) | 2017-08-23 | 2017-08-23 | A kind of adsorbent equipment for being used to handle printing exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207307603U true CN207307603U (en) | 2018-05-04 |
Family
ID=62431925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721057709.0U Expired - Fee Related CN207307603U (en) | 2017-08-23 | 2017-08-23 | A kind of adsorbent equipment for being used to handle printing exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207307603U (en) |
-
2017
- 2017-08-23 CN CN201721057709.0U patent/CN207307603U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180910 Address after: 101300 Chong Guo Zhuang village, Li Sui Town, Shunyi District, Beijing Patentee after: Beijing Yihui Printing Co., Ltd. Address before: 610000 No. 1, 1, 1, Chuqiao middle street, Wuhou District, Chengdu, Sichuan, 148, No. Patentee before: Chengdu Sen Yu Hong Green Engineering Co. Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20200823 |
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| CF01 | Termination of patent right due to non-payment of annual fee |