CN204996155U - Zero exhaust emission's online printing solvent recovery unit - Google Patents
Zero exhaust emission's online printing solvent recovery unit Download PDFInfo
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- CN204996155U CN204996155U CN201520662832.XU CN201520662832U CN204996155U CN 204996155 U CN204996155 U CN 204996155U CN 201520662832 U CN201520662832 U CN 201520662832U CN 204996155 U CN204996155 U CN 204996155U
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- waste gas
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Abstract
The utility model discloses a zero exhaust emission's online printing solvent recovery unit, including stoving bellows, exhaust column, condensation unit, the condensation unit includes evaporimeter room and condenser room, and evaporimeter room bottom is provided with the collector, and evaporimeter upper portion is connected with the cool air hose. The utility model discloses a print solvent recovery unit on line and will print the waste gas that contains organic solvent that produces in the production process and collect, through the condensation unit waste gas compressed cooling, make solvent liquefaction separation wherein and retrieve, the residual solvent rate of recovery is high, can reach more than 90%, the clean cold wind of after -separating passes through cool air hose output utilization, and the heat that contains in the waste gas is used for heating and drying gaseous by the absorption of condensation unit. Solvent, gas and heat in the waste gas that this recovery unit discharged in producing the printing accomplish all that effective recycling utilizes, reach zero exhaust emission's final effect, and the recycling can be carried out to the various resources after the recovery simultaneously, and is energy -concerving and environment -protective.
Description
Technical field
The utility model relates to exhaust-gas treatment field, is 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.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is the printed on line solvent recovery unit providing a kind 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 scheme that the utility model adopts 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 beneficial effects of the utility model are:
The gas sampling containing organic solvent that printed on line solvent recovery unit of the present utility model 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 utility model 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 utility model is described in further detail.
Fig. 1 is printed on line solvent recovery unit perspective view of the present utility model;
Fig. 2 is the top view of printed on line solvent recovery unit of the present utility model.
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, the preferred embodiment that the utility model provides, 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 utility model 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 utility model 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 utility model, but the utility model is created and 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 the utility model spirit, 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 |
|---|---|---|---|
| CN201520662832.XU CN204996155U (en) | 2015-08-28 | 2015-08-28 | Zero exhaust emission's online printing solvent recovery unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520662832.XU CN204996155U (en) | 2015-08-28 | 2015-08-28 | Zero exhaust emission's online printing solvent recovery unit |
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| CN204996155U true CN204996155U (en) | 2016-01-27 |
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| CN201520662832.XU Active CN204996155U (en) | 2015-08-28 | 2015-08-28 | Zero exhaust emission's online printing solvent recovery unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080175A (en) * | 2015-08-28 | 2015-11-25 | 赵智民 | Exhaust-emission-free online printing solvent recovery device |
| CN106739468A (en) * | 2017-01-19 | 2017-05-31 | 南京索特包装制品有限公司 | A kind of printing machine hot air circulating system |
-
2015
- 2015-08-28 CN CN201520662832.XU patent/CN204996155U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080175A (en) * | 2015-08-28 | 2015-11-25 | 赵智民 | Exhaust-emission-free online printing solvent recovery device |
| CN106739468A (en) * | 2017-01-19 | 2017-05-31 | 南京索特包装制品有限公司 | A kind of printing machine hot air circulating system |
| CN106739468B (en) * | 2017-01-19 | 2019-03-26 | 南京索特包装制品有限公司 | A kind of printing machine hot air circulating system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170629 Address after: 529400 Enping Industrial Park, Jiangmen, Guangdong, Enping Industrial Park, Park District,, three, B3-2 Patentee after: Jiangmen wisdom Packing Machinery Co., Ltd. Address before: 529400 Enping Industrial Park, Jiangmen, Guangdong, Enping Industrial Park, Park District,, three, B3-2 Patentee before: Zhao Zhimin |