CN105080175A - Exhaust-emission-free online printing solvent recovery device - Google Patents
Exhaust-emission-free online printing solvent recovery device Download PDFInfo
- Publication number
- CN105080175A CN105080175A CN201510543933.XA CN201510543933A CN105080175A CN 105080175 A CN105080175 A CN 105080175A CN 201510543933 A CN201510543933 A CN 201510543933A CN 105080175 A CN105080175 A CN 105080175A
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- Prior art keywords
- exhaust
- bellows
- solvent recovery
- printed
- solvent
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Links
- 239000002904 solvent Substances 0.000 title claims abstract description 36
- 238000011084 recovery Methods 0.000 title claims abstract description 29
- 238000007639 printing Methods 0.000 title claims abstract description 28
- 238000001035 drying Methods 0.000 claims abstract description 22
- 239000003960 organic solvent Substances 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000002912 waste gas Substances 0.000 claims description 30
- 239000007789 gas Substances 0.000 claims description 22
- 238000009833 condensation Methods 0.000 claims description 21
- 230000005494 condensation Effects 0.000 claims description 21
- 231100000331 toxic Toxicity 0.000 claims description 13
- 230000002588 toxic effect Effects 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000013557 residual solvent Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 238000004064 recycling Methods 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000007084 catalytic combustion reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010888 waste organic solvent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses an exhaust-emission-free online printing solvent recovery device, which comprises a drying air bellow, an exhaust column and a condensing unit, wherein the condensing unit comprises an evaporator chamber and a condenser chamber; a collector is arranged at the bottom of the evaporator chamber; a cold air pipe is connected to the upper part of an evaporator. According to the online printing solvent recovery device, organic solvent-containing exhaust produced in a printing production process is collected, and is compressed and cooled to liquefy, separate and recover a solvent in the exhaust through the condensing unit, so that the recovery rate of the residual solvent is high, and can reach more than 90 percent; separated clean cold air is discharged for use through the cold air pipe; heat in the exhaust is absorbed by the condensing unit for heating and drying air; the solvent, the air and the heat in the exhaust discharged during printing production are all effectively recycled to achieve a final effect of no exhaust emission, and in addition, various recovered resources can be recycled to save energy and protect the environment.
Description
Technical field
The present invention relates to exhaust-gas treatment field, be specifically related to a kind of printed on line solvent recovery unit of zero toxic emission.
Background technology
The printing-ink that existing printing industry adopts, the overwhelming majority adopts to have after volatile organic solvent (comprising the volatile solvents such as toluene, dimethylbenzene, ethanol, ethyl acetate) dissolves to print, dry after printing, organic solvent is evaporated.But, after organic solvent evaporates, if do not recycled, easily surrounding environment is polluted.The equal noresidue solvent recovery unit of printing equipment supporting in traditional intaglio printing machinery manufacturer, the organic solvent of volatilization when printed matter is dried is dispersed in the environment around equipment with oven dry air-flow, very large pollution is caused to production environment, threatens workers ' health.
For the process of the waste gas containing organic solvent produced in printing process, supporting on existing market have printing waste gas residual solvent retracting device, mainly based on NACF (ACF) waste organic solvent gas absorption recovery apparatus set, its recycling design mode is mainly through the volatile solvent in carbon fiber adsorption and catalytic combustion waste gas.The advantage of this retracting device is that unitary device waste gas recovery amount is large, is suitable for large-sized print wrapping enterprise; Shortcoming is that the volume of equipment is large, and need between enough large installation car, single device price is up to a million simultaneously, and price is high, and front current cost drops into too high.Medium-sized and small enterprises in some printing industry only have one to two intaglio printing production lines substantially, for the manufacturing enterprise that these are middle-size and small-size, the price of printing waste gas residual solvent retracting device supporting on existing market is too high, according to production capacity and the discharge amount of exhaust gas thereof of medium-sized and small enterprises, major part does not all have ability to buy printing waste gas residual solvent retracting device.
In addition, the recovery method of existing printing waste gas residual solvent retracting device is that first discharging waste gas is in windowfree workshop, again by exhausting in workshop containing pump-and-treat system in the exhaust gas centralized of organic solvent, reclaim organic solvent wherein by absorption, remaining gas directly discharges.This recovery method still pollutes the air of workshop, is simultaneously difficult to recycle by the organic solvent of carbon fiber adsorption and catalytic combustion, causes the waste of resource, and dries the heat contained in air-flow and also do not reclaim, and causes the waste of energy.
Summary of the invention
In order to solve the problems of the technologies described above, the object of the present invention is to provide a kind of printed on line solvent recovery unit of zero toxic emission, reduce the cost of retracting device, the organic solvent in the waste gas of energy effective recycling simultaneously and heat, high to the utilization rate of resource.
The technical solution adopted in the present invention is:
A printed on line solvent recovery unit for zero toxic emission, described retracting device is installed on printing production line, comprises following structure:
Dry bellows, described oven dry bellows cover drying station, collect the waste gas containing organic solvent;
Exhaust column, described exhaust column connects dries bellows, and the waste gas of drying in bellows is evacuated to the evaporator room of condensation unit by exhaust column;
Condensation unit, described condensation unit comprises for the evaporator room of cooling exhaust and the condenser chamber for heating, drying gas;
Be provided with current collector bottom described evaporator room, evaporimeter top is connected with cool air hose;
Waste gas is cooled compressed in evaporator room, and organic solvent is liquefied and is separated, the organic solvent of liquefaction is collected by current collector, and the clean cold wind after separation is exported by cool air hose and utilizes, and the heat in waste gas is absorbed by condensation unit and is used for heating, drying gas.
As the further improvement of technique scheme, described condenser chamber is connected by warm-air pipe dries bellows, described warm-air pipe is provided with the first air exhauster and the oven dry gas of condenser chamber is evacuated to oven dry bellows.
As the further improvement of technique scheme, described cool air hose is provided with the second air exhauster.
As the further improvement of technique scheme, the outlet of described cool air hose connects printing packaged air conditioner, and the clean cold wind that cool air hose exports is for printing cooling and shaping.
As the further improvement of technique scheme, described exhaust column respectively and dry bellows, connection between condensation unit is Flange joint.
As the further improvement of technique scheme, described exhaust column, warm-air pipe and cool air hose are provided with telescopic flexible tube section.
The invention has the beneficial effects as follows:
The gas sampling containing organic solvent that printed on line solvent recovery unit of the present invention will produce in print production process, by condensation unit waste gas compression cooling, make solvent liquefaction wherein be separated and reclaim, the residual solvent rate of recovery is high, can reach more than 90%; Clean cold wind after separation is exported by cool air hose and utilizes; And the heat contained in waste gas is absorbed for heating, drying gas by condensation unit.The full course of work sealing of printed on line solvent recovery unit of the present invention is carried out, effectively prevent exhaust emission production environment, and this retracting device all accomplishes effective recycling to the solvent in the waste gas discharged in print production, gas and heat, reach the final effect of zero toxic emission, various resources after simultaneously reclaiming can carry out Recycling, energy-conserving and environment-protective.In addition, this retracting device reclaims without the need to arranging NACF, reduces volume, reduces costs, can meet the user demand of medium-sized and small enterprises.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is printed on line solvent recovery unit perspective view of the present invention;
Fig. 2 is the top view of printed on line solvent recovery unit of the present invention.
Drawing reference numeral illustrates: 1, dry bellows; 2, exhaust column; 3, condensation unit; 4, cool air hose; 5, the second air exhauster; 6, warm-air pipe; 7, the first air exhauster.
Detailed description of the invention
With reference to Fig. 1, Fig. 2, preferred embodiment provided by the invention, a printed on line solvent recovery unit for zero toxic emission, this printed on line solvent recovery unit is mainly installed on printing production line, for recycling the waste gas containing organic solvent produced in printing process.Described retracting device mainly comprises the blower fan of drying bellows 1, exhaust column 2, condensation unit 3, cool air hose 4, warm-air pipe 6 and some exhausting.
Oven dry bellows 1 cover the drying station on printing production line, are usually made up of base plate and casing.Dry bellows 1 have air intake warm-air pipe 6 by Flange joint, and the exhaust column 2 of air-out.Blown into the oven dry gas of high temperature drying by warm-air pipe 6, carry out heat to the ink on printed matter and dry, solvent is wherein volatilized fast, and exhaust column 2 is then for taking the waste gas containing organic solvent away.Drying bellows 1 makes drying station form sealed environment, can ensure that oven dry gas effectively can dry the ink on printed matter, can stop again the organic solvent environmental leak towards periphery evaporated in ink, is convenient to collect the waste gas containing organic solvent after drying.
In the present embodiment, condensation unit 3 is divided into two parts, comprises superposed evaporator room, and is positioned at the condenser chamber of bottom.Refrigerant in condensation unit 3 is flowed between evaporator room and condenser chamber by the sealing and circulating pipeline of band compressor and choke valve, transferring heat.Wherein refrigerant evaporation endothermic in evaporator room, freezes; In condenser chamber, condensation heat release, heats.
Bellows are dried by Flange joint in one end of described exhaust column 2, and the other end is by the evaporator room of Flange joint condensation unit 3.The waste gas of drying in bellows 1 is evacuated to the evaporator room of condensation unit 3 by exhaust column 2, waste gas is compressed cooling in evaporator room, make the solvent in waste gas comprise the escaping gas liquefaction such as water, toluene, ethanol, ethyl acetate to be separated, base of evaporator is provided with current collector, the solvent of liquefaction is collected by current collector, online without the need to additional retracting device.Collected solvent uses by continuing on for printing after separating-purifying, saves solvent cost.Evaporimeter top is connected with cool air hose 4, cool air hose 4 is provided with the second air exhauster 5, second air exhauster 5 and extracts out isolating the clean cold wind after solvent, and export utilization by cool air hose 4.Further, the outlet of cool air hose 4 connects printing packaged air conditioner, and the clean cold wind that cool air hose 4 exports is for printing cooling and shaping.
The heat contained in waste gas is condensed after the refrigerant of unit 3 absorbs, at condenser chamber heating, drying gas.Condenser chamber connects warm-air pipe 6, warm-air pipe 6 is provided with the first air exhauster 7, first air exhauster 7 and the oven dry gas of the high temperature drying after condenser chamber heating is evacuated to oven dry bellows 1, dries for carrying out heat to printed matter.
The gas sampling containing organic solvent that printed on line solvent recovery unit of the present invention will produce in print production process, by condensation unit 3 waste gas compression cooling, make solvent liquefaction wherein be separated and reclaim, the residual solvent rate of recovery is high, can reach more than 90%; Clean cold wind after separation is exported by cool air hose 4 and utilizes; And the heat contained in waste gas is absorbed for heating, drying gas by condensation unit 3.The full course of work sealing of printed on line solvent recovery unit of the present invention is carried out, effectively prevent exhaust emission production environment, and this retracting device all accomplishes effective recycling to the solvent in the waste gas discharged in print production, gas and heat, reach the final effect of zero toxic emission, various resources after simultaneously reclaiming can carry out Recycling, energy-conserving and environment-protective.In addition, this retracting device reclaims without the need to arranging NACF, reduces volume, reduces costs, can meet the user demand of medium-sized and small enterprises.
Further, connect for the ease of installing, described exhaust column 2, warm-air pipe 6 and cool air hose 4 are all provided with telescopic flexible tube section.
Above concrete structure and sized data illustrate preferred embodiment of the present invention, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (6)
1. a printed on line solvent recovery unit for zero toxic emission, described retracting device is installed on printing production line, it is characterized in that, comprises following structure:
Dry bellows, described oven dry bellows cover drying station, collect the waste gas containing organic solvent;
Exhaust column, described exhaust column connects dries bellows, and the waste gas of drying in bellows is evacuated to the evaporator room of condensation unit by exhaust column;
Condensation unit, described condensation unit comprises for the evaporator room of cooling exhaust and the condenser chamber for heating, drying gas;
Be provided with current collector bottom described evaporator room, evaporimeter top is connected with cool air hose;
Waste gas is cooled compressed in evaporator room, and organic solvent is liquefied and is separated, the organic solvent of liquefaction is collected by current collector, and the clean cold wind after separation is exported by cool air hose and utilizes, and the heat in waste gas is absorbed by condensation unit and is used for heating, drying gas.
2. the printed on line solvent recovery unit of a kind of zero toxic emission according to claim 1, it is characterized in that: described condenser chamber is connected by warm-air pipe dries bellows, described warm-air pipe is provided with the first air exhauster and the oven dry gas of condenser chamber is evacuated to oven dry bellows.
3. the printed on line solvent recovery unit of a kind of zero toxic emission according to claim 2, is characterized in that: described cool air hose is provided with the second air exhauster.
4. the printed on line solvent recovery unit of a kind of zero toxic emission according to claim 3, is characterized in that: the outlet of described cool air hose connects printing packaged air conditioner, and the clean cold wind that cool air hose exports is for printing cooling and shaping.
5., according to the printed on line solvent recovery unit of arbitrary described a kind of zero toxic emission of Claims 1-4, it is characterized in that: described exhaust column respectively and the connection of drying between bellows, condensation unit be Flange joint.
6. the printed on line solvent recovery unit of a kind of zero toxic emission according to claim 5, is characterized in that: described exhaust column, warm-air pipe and cool air hose are provided with telescopic flexible tube section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510543933.XA CN105080175A (en) | 2015-08-28 | 2015-08-28 | Exhaust-emission-free online printing solvent recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510543933.XA CN105080175A (en) | 2015-08-28 | 2015-08-28 | Exhaust-emission-free online printing solvent recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105080175A true CN105080175A (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510543933.XA Pending CN105080175A (en) | 2015-08-28 | 2015-08-28 | Exhaust-emission-free online printing solvent recovery device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105080175A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945397A (en) * | 2017-04-01 | 2017-07-14 | 广东碧涞节能设备有限公司 | Heat pump condensation enclosed is printed without discharge drying system |
| CN107009731A (en) * | 2017-06-02 | 2017-08-04 | 长葛市全鑫工程机械制造有限公司 | The printing machine of recycling design recycling |
| CN109513230A (en) * | 2018-11-16 | 2019-03-26 | 江苏晓宝复合材料有限公司 | A kind of organic solvent recovery device |
| CN109572151A (en) * | 2019-01-31 | 2019-04-05 | 上海运城制版有限公司 | A kind of gravure apparatus based on single solvent ink |
| CN109849433A (en) * | 2018-12-29 | 2019-06-07 | 安徽省阜阳市国泰彩印包装有限公司 | A kind of packaging bag production method |
| CN113028756A (en) * | 2021-05-11 | 2021-06-25 | 郑州义兴彩印有限公司 | Energy-concerving and environment-protective type water-based ink printing drying system |
| CN115257164A (en) * | 2022-07-20 | 2022-11-01 | 上海东星环保油墨有限公司 | Printing processing system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945397A (en) * | 2017-04-01 | 2017-07-14 | 广东碧涞节能设备有限公司 | Heat pump condensation enclosed is printed without discharge drying system |
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| CN109849433A (en) * | 2018-12-29 | 2019-06-07 | 安徽省阜阳市国泰彩印包装有限公司 | A kind of packaging bag production method |
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| CN113028756A (en) * | 2021-05-11 | 2021-06-25 | 郑州义兴彩印有限公司 | Energy-concerving and environment-protective type water-based ink printing drying system |
| CN115257164A (en) * | 2022-07-20 | 2022-11-01 | 上海东星环保油墨有限公司 | Printing processing system |
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Effective date of registration: 20170609 Address after: 529400 Enping Industrial Park, Jiangmen, Guangdong, Enping Industrial Park, Park District,, three, B3-2 Applicant after: Jiangmen wisdom Packing Machinery Co., Ltd. Address before: 529400 Enping Industrial Park, Jiangmen, Guangdong, Enping Industrial Park, Park District,, three, B3-2 Applicant before: Zhao Zhimin |
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Application publication date: 20151125 |