CN111659226A - VOCs absorbing device for packaging printed matter - Google Patents
VOCs absorbing device for packaging printed matter Download PDFInfo
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- CN111659226A CN111659226A CN202010564558.8A CN202010564558A CN111659226A CN 111659226 A CN111659226 A CN 111659226A CN 202010564558 A CN202010564558 A CN 202010564558A CN 111659226 A CN111659226 A CN 111659226A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0446—Means for feeding or distributing gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40084—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by exchanging used adsorbents with fresh adsorbents
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a VOCs absorbing device for packaging printed matters, which comprises an absorbing device main body, a cleaning impurity removing box, an active carbon adsorption net, an impurity storage box and a replacement regulation and control device, wherein the active carbon adsorption net and the cleaning impurity removing box are arranged, so that impurity removal and cleaning of interfaces in equipment of the active carbon adsorption net can be realized, the working efficiency is improved, in addition, through the two layers of active carbon adsorption nets, when one layer is cleaned, the other side can replace the active carbon adsorption net to continuously carry out waste gas absorption work, the normal operation of the waste gas absorption work can not be influenced, the working economic benefits of the waste gas absorption work can be further ensured, the impurities absorbed from the active carbon adsorption net can be stored and collected through the arranged air suction branch pipe, the air suction main pipe, the impurity storage box, the collection box and the filter screen, and can be regularly and intensively treated to prevent the impurities from entering the air environment, pollution to the environment is caused, green production is ensured, and economic benefit is ensured.
Description
Technical Field
The invention relates to the technical field of packaging and printing production equipment, in particular to a VOCs (volatile organic compounds) absorption device for packaging printed matters.
Background
In China, Volatile Organic Compounds (VOCs) refer to organic compounds with saturated vapor pressure of more than 70 Pa at normal temperature and boiling point of 260 ℃ below under normal pressure, or all organic compounds with corresponding volatility and vapor pressure of more than or equal to 10 Pa at 20 ℃, and VOCs are English abbreviations of volatile organic compounds (VOLATILORGANIC compounds); there are several definitions, for example, the ASTM D3960-98 standard in the United states defines VOCs as any organic compound that can participate in atmospheric photochemical reactions; definition of the U.S. federal Environmental Protection Agency (EPA): the volatile organic compound is any carbon compound participating in atmospheric photochemical reaction except CO, CO2, H2CO3, metal carbide, metal carbonate and ammonium carbonate; the world health organization (WHO,1989) defines Total Volatile Organic Compounds (TVOC) as a generic term for volatile organic compounds having a melting point below room temperature and a boiling point between 50 and 260 ℃.
The adsorption method in the VOCs waste gas treatment method is characterized in that an activated carbon net is arranged in a purification device, VOCs waste gas passes through the activated carbon adsorption net to further adsorb and absorb harmful gas, impurity particles are adhered to the activated carbon adsorption net after the activated carbon adsorption net is used for a long time, the adsorption and absorption work efficiency of the activated carbon adsorption net is affected without treatment, and further the work benefit is reduced.
Disclosure of Invention
It is an object of the present invention to provide a device for absorbing VOCs in printed products to solve the above-mentioned problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a VOCs absorbing device for packaging printed matters comprises an absorbing device main body, a cleaning impurity removal box, an activated carbon adsorption net, an impurity storage box and a replacement regulating device;
the cleaning impurity removing box is integrally arranged in the absorption device main body, the two sides of the cleaning impurity removing box are symmetrically provided with air suction branch pipes, the air suction branch pipes are symmetrically arranged on the air suction main pipe, the air suction main pipe is provided with an impurity storage box, the impurity storage box is internally provided with a collection box in a sliding connection mode, and the collection box is provided with a pull handle;
the dust collector is characterized in that a filter screen is integrally connected and arranged in the main air suction pipe, a first fixing block is integrally arranged on the collecting box, a second fixing block is integrally arranged on the impurity storage box, and an air suction fan is arranged at the other end of the main air suction pipe;
a groove is formed in the first fixing block, an extrusion spring is connected in the groove, a fixture block is connected at the other end of the extrusion spring, and the fixture block is movably connected in the groove;
the spring pin is arranged in the second fixed block, a first slope is arranged at the other end of the spring pin, a first extrusion block is arranged in the second fixed block in an inserting mode, the first extrusion block is integrally formed at one end of the second extrusion block, and the first extrusion block and the same end of the second extrusion block are integrally formed and connected with a first return spring;
the side of the activated carbon adsorption net is provided with a rack, and the rack is meshed with and connected with a gear set;
a rotating shaft penetrates through the cleaning impurity removing box, a handle is integrally formed at the other end of the rotating shaft, and a replacement regulation and control device is arranged on the rotating shaft.
Preferably, it includes carousel, fixed circular slot, card post, movable block, second reset spring, first inserted block, second inserted block, third reset spring, the fastening lantern ring, arc extrusion groove, arc fixed slot, third inserted block, arc fixture block, fourth reset spring to change regulation and control device, the carousel cup joints and sets up in the axis of rotation, the avris equidistance of clean edulcoration case is provided with fixed circular slot, the grafting is provided with the card post, the card post sets up the one end at the movable block in the carousel, the movable block is provided with second reset spring in being connected with the same end of card post, still peg graft in having the carousel and be provided with first inserted block, first inserted block setting in second inserted block one end, the second inserted block is provided with third reset spring in the same end with first inserted block, the carousel outside cup joints and is provided with the fastening lantern ring, be provided with arc extrusion groove in the fastening lantern ring, The outside equidistance is provided with the arc fixed slot, set up the lug on the carousel, the grafting is provided with the third inserted block in the lug to the third inserted block sets up in arc fixture block one end, the third inserted block is provided with fourth reset spring with arc fixture block same end, the welding of third inserted block other end is provided with draws the knot.
Preferably, the spring pins correspond to the arrangement positions and are arranged in the same number of groups.
Preferably, the arc-shaped fixing grooves are distributed annularly, and the cross-sectional shapes of the notches of the arc-shaped fixing grooves are the same as the cross-sectional shapes of the arc-shaped clamping blocks.
Preferably, the clamping columns correspond to the fixed circular grooves in arrangement positions, the diameters of the clamping columns and the fixed circular grooves are equal, and the fixed circular grooves are distributed annularly.
Preferably, the activated carbon adsorption net is arranged as an upper layer and a lower layer.
Compared with the prior art, the invention has the beneficial effects that:
1. through the activated carbon adsorption net and the cleaning impurity removal box, impurity removal and cleaning of the interface of the activated carbon adsorption net in equipment can be realized, the working efficiency is improved, and through the two layers of activated carbon adsorption nets, when one layer is cleaned, the other side can replace the activated carbon adsorption net to continue the waste gas absorption work, so that the normal operation of the waste gas absorption work cannot be influenced, and the working economic benefit of the waste gas absorption work is further ensured;
2. the impurities absorbed from the activated carbon adsorption net can be stored and collected through the arranged air suction branch pipe, the air suction main pipe, the impurity storage box, the collection box and the filter screen, and can be regularly and intensively treated, so that the impurities are prevented from entering the air environment, the environment pollution is avoided, the green production is ensured, and the economic benefit is ensured;
3. through the change regulation and control device that sets up, it is very convenient to the change of active carbon adsorption net position, is clearing up the working process to the active carbon adsorption net, and it is convenient to bring for the staff, under the circumstances that the assurance did not influence normal work and go on, improves work efficiency, guarantees production economic benefits.
Drawings
FIG. 1 is a schematic view of the structural connection of the present invention;
FIG. 2 is an enlarged view of a portion of the structural joint of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of a portion of the structural joint of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the structural connection between the activated carbon adsorption net and the replacement control device according to the present invention;
FIG. 5 is a partial sectional view of the internal structural connection of the replacement control device according to the present invention;
FIG. 6 is a partial cross-sectional view of the internal structural connection of the main suction pipe of the present invention;
fig. 7 is a partial sectional view showing the connection of the internal structures of the first and second fixing blocks according to the present invention.
In the figure: the device comprises an absorption device body 1, a cleaning impurity removal box 2, an activated carbon adsorption net 3, a suction branch pipe 4, a suction main pipe 5, an impurity storage box 6, a collection box 7, a filter screen 8, a first fixed block 9, a second fixed block 10, an extrusion spring 11, a fixture block 12, a spring pin 13, a first extrusion block 14, a second extrusion block 15, a first return spring 16, a rack 17, a gear set 18, a replacement control device 19, a rotary disc 1901, a fixed circular groove 1902, a clamping column 1903, a movable block 1904, a second return spring 1905, a first insert 1906, a second insert 1907, a third return spring 1908, a fastening lantern ring 1909, an arc extrusion groove 1910, an arc fixing groove 1911, a third insert 1912, an arc fixture block 1913 and a fourth return spring 1914.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: a VOCs absorbing device for packaging printed matters comprises an absorbing device main body (1), a cleaning impurity removal box (2), an activated carbon adsorption net (3), an impurity storage box (6) and a replacement regulating device (19);
the cleaning impurity removing box (2) is integrally formed in the absorption device main body (1), the two sides of the cleaning impurity removing box (2) are symmetrically provided with air suction branch pipes (4), the air suction branch pipes (4) are symmetrically arranged on an air suction main pipe (5), the air suction main pipe (5) is provided with an impurity storage box (6), the impurity storage box (6) is internally provided with a collecting box (7) in a sliding connection mode, and the collecting box (7) is provided with a pull handle;
a filter screen (8) is integrally connected and arranged in the main air suction pipe (5), a first fixing block (9) is integrally arranged on the collecting box (7), a second fixing block (10) is integrally arranged on the impurity storage box (6), and an air suction fan is arranged at the other end of the main air suction pipe (5);
a groove is formed in the first fixing block (9), an extrusion spring (11) is connected in the groove, a clamping block (12) is connected to the other end of the extrusion spring (11), and the clamping block (12) is movably connected in the groove;
a spring pin (13) is arranged in the second fixed block (10), a first slope is arranged at the other end of the spring pin (13), a first extrusion block (14) is arranged in the second fixed block (10) in an inserting mode, the first extrusion block (14) is integrally formed at one end of the second extrusion block (15), and a first return spring (16) is integrally formed and connected with the same end of the second extrusion block (15) of the first extrusion block (14);
a rack (17) is arranged on the side of the activated carbon adsorption net (3), and a gear set (18) is arranged on the rack (17) in a meshed connection manner;
a rotating shaft penetrates through the cleaning impurity removing box (2), a handle is integrally formed at the other end of the rotating shaft, and a replacement regulation and control device (19) is arranged on the rotating shaft.
Further, change regulation and control device (19) and include carousel (1901), fixed circular slot (1902), card post (1903), movable block (1904), second reset spring (1905), first inserted block (1906), second inserted block (1907), third reset spring (1908), the fastening lantern ring (1909), arc extrusion groove (1910), arc fixed slot (1911), third inserted block (1912), arc fixture block (1913), fourth reset spring (1914), carousel (1901) cup joints the setting in the axis of rotation, the avris equidistance of clean edulcoration case (2) is provided with fixed circular slot (1902), the grafting is provided with card post (1903) in carousel (1901), card post (1903) sets up the one end at movable block (1904), movable block (1904) is provided with second reset spring (1905) in being connected with the same end with card post (1903), still be provided with grafting first inserted block (1906) in carousel (1901), First inserted block (1906) sets up in second inserted block (1907) one end, second inserted block (1907) is provided with third reset spring (1908) with first inserted block (1906) same end, the cup joint is provided with fastening lantern ring (1909) in carousel (1901) outside, be provided with arc extrusion groove (1910) in the fastening lantern ring (1909), the outside equidistance is provided with arc fixed slot (1911), set up the lug on carousel (1901), the lug is pegged graft and is provided with third inserted block (1912), and third inserted block (1912) set up in arc fixture block (1913) one end, third inserted block (1912) are provided with fourth reset spring (1914) with arc fixture block (1913) same end, the welding of third inserted block (1912) other end is provided with the zip fastener.
Furthermore, the spring pins (13) correspond to the arrangement positions and are arranged in the same number of groups.
Further, the arc-shaped fixing grooves (1911) are distributed in an annular shape, and the cross-sectional shapes of the notches of the arc-shaped fixing grooves (1911) are the same as that of the arc-shaped fixture blocks (1913).
Furthermore, the clamp columns (1903) correspond to the fixed circular grooves (1902) in arrangement positions, the diameters of the clamp columns and the fixed circular grooves are equal, and the fixed circular grooves (1902) are distributed annularly.
Further, an activated carbon adsorption net (3) is arranged as an upper layer and a lower layer.
The working principle is as follows: in the working process, the active carbon adsorption net 3 and the cleaning impurity removal box 2 are arranged, so that the impurity removal and cleaning work of the interface of the active carbon adsorption net 3 in the equipment can be realized, the working efficiency is improved, and the active carbon adsorption net 3 is arranged into layers, namely when one layer is cleaned, the other side can replace the layer to continuously carry out the waste gas absorption work, so that the normal operation of the waste gas absorption work can not be influenced, and the working economic benefit of the waste gas absorption work can be ensured; in the process, the crank is rotated to drive the gear set 18 and the rack 17 to operate, so that the activated carbon adsorption net 3 performs replacement work, then the fastening lantern ring 1909 is rotated to drive the clamping column 1903 to be clamped in the fixed circular groove 1902, in the process, the pull buckle on the third insert 1912 is pulled, finally the third insert 1912 is loosened, the arc-shaped fixture block 1913 is inserted and fixed in the arc-shaped fixing groove 1911 on the fastening lantern ring 1909 under the action of the fourth reset spring 1914, so that the replacement work of the activated carbon adsorption net 3 is completed, then when the activated carbon adsorption net 3 to be cleaned enters the cleaning impurity removal box 2, another activated carbon adsorption net 3 replaces the original activated carbon adsorption net 3 to perform adsorption and purification work, then the air suction fan is started to perform impurity removal and cleaning work on the activated carbon adsorption net 3, and the removed impurities enter the collection box 7 in the impurity storage box 6, when selecting when will clearing up impurity, press first extrusion piece 14 again, and then drive second extrusion piece 15 and extrude spring catch 13, spring catch 13 extrudees fixture block 12 from second fixed block 10, can pull out collection box 7 through drawing the handle, carries out centralized processing to the impurity of gettering, and it is convenient to bring for the staff, does not influence under the condition that normal work goes on guaranteeing that work efficiency is improved, guarantees production economic benefits.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A VOCs absorbing device of packing printed matter which characterized in that: comprises an absorption device main body (1), a cleaning impurity removal box (2), an activated carbon adsorption net (3), an impurity storage box (6) and a replacement regulation and control device (19);
the cleaning impurity removing box (2) is integrally formed in the absorption device main body (1), the suction branch pipes (4) are symmetrically arranged on two sides of the cleaning impurity removing box (2), the suction branch pipes (4) are symmetrically arranged on the suction main pipe (5), the suction main pipe (5) is provided with the impurity storage box (6), the impurity storage box (6) is slidably connected with the collection box (7), and the collection box (7) is provided with a pull handle;
a filter screen (8) is integrally formed and connected in the main air suction pipe (5), a first fixing block (9) is integrally formed on the collecting box (7), a second fixing block (10) is integrally formed on the impurity storage box (6), and an air suction fan is arranged at the other end of the main air suction pipe (5);
a groove is formed in the first fixing block (9), an extrusion spring (11) is connected in the groove, a clamping block (12) is connected to the other end of the extrusion spring (11), and the clamping block (12) is movably connected in the groove;
a spring pin (13) is arranged in the second fixed block (10), a first slope is arranged at the other end of the spring pin (13), a first extrusion block (14) is inserted into the second fixed block (10), the first extrusion block (14) is integrally formed at one end of the second extrusion block (15), and a first return spring (16) is integrally formed and connected with the same end of the second extrusion block (15) of the first extrusion block (14);
a rack (17) is arranged on the side of the activated carbon adsorption net (3), and a gear set (18) is arranged on the rack (17) in a meshed connection manner;
a rotating shaft penetrates through the cleaning impurity removing box (2), a handle is integrally formed at the other end of the rotating shaft, and a replacement regulation and control device (19) is arranged on the rotating shaft.
2. A device for absorbing VOCs in a packaged printed product according to claim 1, wherein: change regulation and control device (19) and include carousel (1901), fixed circular slot (1902), card post (1903), movable block (1904), second reset spring (1905), first inserted block (1906), second inserted block (1907), third reset spring (1908), fastening lantern ring (1909), arc extrusion groove (1910), arc fixed slot (1911), third inserted block (1912), arc fixture block (1913), fourth reset spring (1914), carousel (1901) cup joints the setting in the axis of rotation, the avris equidistance of clean edulcoration case (2) is provided with fixed circular slot (1902), the grafting is provided with card post (1903) in carousel (1901), card post (1903) sets up the one end at movable block (1904), movable block (1904) are provided with second reset spring (1905) in being connected with the same end of card post (1903), still peg graft in carousel (1901) and be provided with first inserted block (1906), The first inserting block (1906) is arranged at one end of a second inserting block (1907), a third return spring (1908) is arranged at the same end of the second inserting block (1907) as the first inserting block (1906), a fastening ring (1909) is sleeved on the outer side of the rotary disc (1901), an arc-shaped extrusion groove (1910) is formed in the fastening ring (1909), arc-shaped fixing grooves (1911) are formed in the outer side of the fastening ring at equal intervals, a protruding block is arranged on the rotary disc (1901), a third inserting block (1912) is arranged in the protruding block in an inserting mode, the third inserting block (1912) is arranged at one end of an arc-shaped clamping block (1913), a fourth return spring (1914) is arranged at the same end of the arc-shaped clamping block (1913) of the third inserting block (1912), and a pull buckle is welded to the other end of the third inserting block (1912.
3. A device for absorbing VOCs in a packaged printed product according to claim 1, wherein: the spring pins (13) correspond to the setting positions and are the same in the number of the setting groups.
4. A device for absorbing VOCs in a packaged printed product according to claim 2, wherein: the arc-shaped fixing grooves (1911) are distributed annularly, and the cross-sectional shapes of the notches of the arc-shaped fixing grooves (1911) are the same as that of the arc-shaped fixture blocks (1913).
5. A device for absorbing VOCs in a packaged printed product according to claim 2, wherein: the clamp column (1903) is corresponding to the fixed circular groove (1902), the diameters of the clamp column and the fixed circular groove are equal, and the fixed circular groove (1902) is distributed annularly.
6. A device for absorbing VOCs in a packaged printed product according to claim 2, wherein: the activated carbon adsorption net (3) is arranged as an upper layer and a lower layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010564558.8A CN111659226A (en) | 2020-06-19 | 2020-06-19 | VOCs absorbing device for packaging printed matter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010564558.8A CN111659226A (en) | 2020-06-19 | 2020-06-19 | VOCs absorbing device for packaging printed matter |
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| Publication Number | Publication Date |
|---|---|
| CN111659226A true CN111659226A (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010564558.8A Pending CN111659226A (en) | 2020-06-19 | 2020-06-19 | VOCs absorbing device for packaging printed matter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546754A (en) * | 2020-12-04 | 2021-03-26 | 陈旭东 | Waste gas absorbing device for chemical industry |
| CN112827679A (en) * | 2021-01-05 | 2021-05-25 | 泰州市第一铝材厂有限公司 | Aluminum alloy door spraying device capable of spraying paint rapidly and uniformly |
| CN113106961A (en) * | 2021-04-20 | 2021-07-13 | 中建八局第二建设有限公司 | Foundation ditch construction is backfilled and is beaten rammer |
| CN113713952A (en) * | 2021-01-25 | 2021-11-30 | 济宁学院 | Garbage crushing device with adsorption function |
-
2020
- 2020-06-19 CN CN202010564558.8A patent/CN111659226A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546754A (en) * | 2020-12-04 | 2021-03-26 | 陈旭东 | Waste gas absorbing device for chemical industry |
| CN112827679A (en) * | 2021-01-05 | 2021-05-25 | 泰州市第一铝材厂有限公司 | Aluminum alloy door spraying device capable of spraying paint rapidly and uniformly |
| CN113713952A (en) * | 2021-01-25 | 2021-11-30 | 济宁学院 | Garbage crushing device with adsorption function |
| CN113106961A (en) * | 2021-04-20 | 2021-07-13 | 中建八局第二建设有限公司 | Foundation ditch construction is backfilled and is beaten rammer |
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