CN203454688U - Drying system capable of recycling organic waste gas efficiently - Google Patents
Drying system capable of recycling organic waste gas efficiently Download PDFInfo
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- CN203454688U CN203454688U CN201320445735.6U CN201320445735U CN203454688U CN 203454688 U CN203454688 U CN 203454688U CN 201320445735 U CN201320445735 U CN 201320445735U CN 203454688 U CN203454688 U CN 203454688U
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- heat exchanger
- unit heat
- molecular sieve
- drying system
- exhaust gas
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Abstract
The utility model discloses a drying system capable of recycling organic waste gas efficiency. The drying system comprises a drying device and a molecular sieve rotating wheel which forms a recycle loop with the drying device. A first cooling unit heat exchanger is arranged on the inlet side of the molecular sieve rotating wheel, a second warming unit heat exchanger is arranged on the outlet side of the molecular sieve rotating wheel, a desorption area and an adsorption area which is connected with the first cooling unit heat exchanger and the second warming unit heat exchanger are arranged on the molecular sieve rotating wheel and an organic solvent recycling pipeline which is connected with the desorption area is further arranged. According to the drying system, the drying device and the molecular sieve rotating wheel form the loop, organic waste gas in the drying device enters the adsorption area for organic solvent adsorption after being cooled, fresh air enters the drying device to be reutilized after being warmed, the organic solvent recycling pipeline connected with the desorption area is used for recycling organic solvents and heat dissipated by the organic solvents, adsorption consumable items does not need to be used in the system, pollution can be reduced through organic waste gas recycling, the efficiency of the system is improved and the drying system is used in the field of environmentally friendly waste gas treatment.
Description
Technical field
The utility model relates to a kind of drying system, particularly relates to a kind of drying system of recyclable organic exhaust gas.
Background technology
The operation principle of the drying plant in the similar process equipments such as traditional coating machine, compounding machine, printing machine, roller coating line, gluing machine is all that the natural air in environment is transported in baking oven through heating, hot-air brushes after product, after forcing organic solvent evaporation on product to become organic vapor to mix with the air that enters baking oven, form organic exhaust gas, then by organic exhaust gas by discharged in atmosphere.
But there is following problem in this type of drying mode: 1. organic solvent is harmful to human body and environment, and directly discharge causes polluting; 2. in waste gas, exist the utmost point to have the organic solvent of economic worth and a large amount of heats, can not effectively reclaim, consume energy high; 3. the energy consumption add hot-air for reducing just need to reduce the flow of fresh air, but the concentration that can cause like this organic steam is over the explosion limit accident of blasting, and has potential safety hazard.
A kind of improvement project as above-mentioned drying unit, use active carbon or the active carbon of take are that main porous material carries out adsorption treatment to the organic exhaust gas of discharge, the majority of organic solvent in organic exhaust gas can be reclaimed, but there is following shortcoming in this technology: 1. absorbent charcoal material belongs to consumptive material, after Reusability, absorption property reduces gradually, needs periodic replacement, and its replacement cost is high; 2. active carbon, after absorption is saturated, need to carry out desorption, can produce water and pollute in the process that desorption is processed.
Utility model content
For addressing the above problem, the utility model provide a kind of can reduce consumptive material use, reduce pollute and can Hoisting System efficiency can high efficiente callback organic exhaust gas drying system.
The utility model solves the technical scheme that its technical problem adopts:
A kind of drying system that can high efficiente callback organic exhaust gas, comprise drying plant and form the molecular sieve runner of closed circuit with drying plant, the inlet side of molecular sieve runner is provided with the first cooling unit heat exchanger, the outlet side of molecular sieve runner is provided with the second intensification unit heat exchanger, molecular sieve runner is provided with desorption district and is connected and is provided with organic solvent reclaim line with the adsorption zone ，Yu desorption district being connected with the second intensification unit heat exchanger with the first cooling unit heat exchanger.
Be further used as the improvement of technical solutions of the utility model, organic solvent reclaim line comprises the first intensification unit heat exchanger and the condensation liquefaction retracting device that is connected to desorption district and forms loop.
Be further used as the improvement of technical solutions of the utility model, the side of giving vent to anger of the first intensification unit heat exchanger is provided with gas shield device.
Be further used as the improvement of technical solutions of the utility model, the bottom of condensation liquefaction retracting device is provided with leakage fluid dram.
Be further used as the improvement of technical solutions of the utility model, on molecular sieve runner, be also provided with cooling zone.
Be further used as the improvement of technical solutions of the utility model, adsorption zone and cooling zone are connected with the second cooling unit heat exchanger.
Be further used as the improvement of technical solutions of the utility model, between cooling zone and the second intensification unit heat exchanger, be provided with connecting pipe.
The beneficial effects of the utility model: the drying system that this can high efficiente callback organic exhaust gas forms loop by drying plant and molecular sieve runner, to after the organic exhaust gas cooling in drying plant, enter the absorption that adsorption zone carries out organic solvent, and drying plant recycling will be entered after clean atmosphere temperature rising, simultaneously, heat organic solvent and it being distributed by the organic solvent recovery channel being connected with desorption district reclaims, this system is without using absorption consumptive material, can reduce consumptive material uses, recycling also of organic exhaust gas can reduce the pollution to air, improve system effectiveness.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model embodiment integral tube line structure schematic diagram.
The specific embodiment
With reference to Fig. 1, the utility model is a kind of drying system that can high efficiente callback organic exhaust gas, comprise drying plant 5 and form the molecular sieve runner 8 of closed circuits with drying plant 5, the inlet side of molecular sieve runner 8 is provided with the first cooling unit heat exchanger 4, the outlet side of molecular sieve runner 8 is provided with the second intensification unit heat exchanger 6, molecular sieve runner 8 is provided with desorption district 83 and is connected and is provided with organic solvent reclaim line with the adsorption zone 82，Yu desorption district 83 being connected with the second intensification unit heat exchanger 6 with the first cooling unit heat exchanger 4.
The organic exhaust gas of drying plant 5 discharge enters into the processing of lowering the temperature of the first cooling unit heat exchanger 4 by air channel, the adsorption zone 82 that organic exhaust gas after cooling enters into molecular sieve runner 8 from molecular sieve runner 8 inlet sides carries out adsorption treatment, in waste gas, organic solvent is by molecular sieve adsorption, Cryogenic air in waste gas is after adsorption zone 82, by molecular sieve runner 8 outlet sides, enter into the second intensification unit heat exchanger 6 and carry out after hyperthermic treatment, then by air channel be transmitted back to in drying plant 5 for drying.Here by entering adsorption zone 82 after the organic exhaust gas cooling in drying plant 5, carry out the absorption of organic solvent, and drying plant 5 recyclings will be entered after clean atmosphere temperature rising, so not only without using absorption consumptive material, reducing consumptive material uses, and recycling also of organic exhaust gas can be reduced pollution, raising system effectiveness.
As the utility model preferred embodiment, organic solvent reclaim line comprises the first intensification unit heat exchanger 1 and the condensation liquefaction retracting device 3 that is connected to desorption district 83 and forms loop.
As the utility model preferred embodiment, the bottom of condensation liquefaction retracting device 3 is provided with leakage fluid dram 31.
Absorption has the molecular sieve runner 8 of organic solvent liquid to go to desorption district 83, from the high temperature cleaned air of organic solvent reclaim line import, add thermal desorption district 83, the organic solvent liquid of isolated molecule sieve absorption, make it become organic vapor, then organic vapor enters into condensation liquefaction retracting device 3 by organic solvent reclaim line outlet again and carries out condensation liquefaction recovery.Now, the organic solvent in organic vapor is condensed into liquid, by leakage fluid dram 31, organic solvent is discharged to the recovery that condensation accumulator tank carries out organic solvent.The Cryogenic air of having removed majority of organic solvent composition has absorbed condensation and has reclaimed the heat discharging, temperature raises, the air of high temperature enters into the first intensification unit heat exchanger 1 by air channel and heats, high temperature air after heating is transmitted back to desorption district 83 by the import of organic solvent reclaim line again, for desorption organic solvent provides heat.
Here by 3 pairs of organic solvents of condensation liquefaction retracting device, effectively reclaim, avoided organic solvent to discharge the pollution causing, and by organic solvent reclaim line, the heat that organic solvent is distributed has also carried out effective recovery, for molecular sieve carries out desorption, provide heat, improved the efficiency of system.
As the utility model preferred embodiment, the side of giving vent to anger of the first intensification unit heat exchanger 1 is provided with gas shield device 2.
In carrying out the process of organic solvent recovery; the concentration of organic vapor is easy to higher; there is the danger of blasting; for fear of this danger; in this organic solvent recovery channel, accessed gas shield device 2, what in gas shield device 2, fill is the gas not reacting with organic solvent under normal condition with nitrogen, carbon dioxide, inert gas etc.Can effectively reduce the concentration of organic vapor, reduce the possibility of blast.
As the utility model preferred embodiment, on molecular sieve runner 8, be also provided with cooling zone 81.
As the utility model preferred embodiment, adsorption zone 82 is connected with the second cooling unit heat exchanger 7 with cooling zone 81.
As the utility model preferred embodiment, cooling zone 81 and 6 of the second intensification unit heat exchanger are provided with connecting pipe.
Cryogenic air in waste gas is after adsorption zone 82, from the outlet of adsorption zone 82, flow out, then can divide two-way to flow, one tunnel is delivered directly in the second intensification unit heat exchanger 6, separately leading up to air channel is delivered to the processing of lowering the temperature of the second cooling unit heat exchanger 7, then 81 pairs of the cooling zones molecular sieve runner 8 entering in molecular sieve runner 8 from cooling import carries out cooling, then Cryogenic air flow into the second intensification unit heat exchanger 6 and front one gas bout from the outlet of cooling zone 81 again, Cryogenic air after bout is carried out after hyperthermic treatment in the second intensification unit heat exchanger 6, again by air channel be transmitted back to in drying plant for drying.
In native system, add cooling circuit to be used for cooling molecular sieve, guaranteed the adsorption capacity that molecular sieve is good, guaranteed the ability of system, also extended the service life of molecular sieve simultaneously, reduced replacement cost.
Certainly, the utility model is created and is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (7)
- One kind can high efficiente callback organic exhaust gas drying system, it is characterized in that: comprise drying plant (5) and form the molecular sieve runner (8) of closed circuit with described drying plant (5), the inlet side of described molecular sieve runner (8) is provided with the first cooling unit heat exchanger (4), the outlet side of described molecular sieve runner (8) is provided with the second intensification unit heat exchanger (6), described molecular sieve runner (8) is provided with desorption district (83) and the adsorption zone (82) being connected with the second intensification unit heat exchanger (6) with the first cooling unit heat exchanger (4), be connected and be provided with organic solvent reclaim line with described desorption district (83).
- 2. drying system that can high efficiente callback organic exhaust gas according to claim 1, is characterized in that: described organic solvent reclaim line comprises the first intensification unit heat exchanger (1) and the condensation liquefaction retracting device (3) that is connected to desorption district (83) and forms loop.
- 3. drying system that can high efficiente callback organic exhaust gas according to claim 2, is characterized in that: the side of giving vent to anger of described the first intensification unit heat exchanger (1) is provided with gas shield device (2).
- According to described in claim 2 or 3 can high efficiente callback organic exhaust gas drying system, it is characterized in that: the bottom of described condensation liquefaction retracting device (3) is provided with leakage fluid dram (31).
- 5. drying system that can high efficiente callback organic exhaust gas according to claim 1, is characterized in that: on described molecular sieve runner (8), be also provided with cooling zone (81).
- 6. drying system that can high efficiente callback organic exhaust gas according to claim 5, is characterized in that: described adsorption zone (82) is connected with the second cooling unit heat exchanger (7) with cooling zone (81).
- 7. drying system that can high efficiente callback organic exhaust gas according to claim 5, is characterized in that: between described cooling zone (81) and the second intensification unit heat exchanger (6), be provided with connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445735.6U CN203454688U (en) | 2013-07-24 | 2013-07-24 | Drying system capable of recycling organic waste gas efficiently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445735.6U CN203454688U (en) | 2013-07-24 | 2013-07-24 | Drying system capable of recycling organic waste gas efficiently |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203454688U true CN203454688U (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320445735.6U Withdrawn - After Issue CN203454688U (en) | 2013-07-24 | 2013-07-24 | Drying system capable of recycling organic waste gas efficiently |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203454688U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398571A (en) * | 2013-07-24 | 2013-11-20 | 广东芬尼克兹节能设备有限公司 | Drying system capable of efficiently recycling organic waste gas |
| CN107213763A (en) * | 2017-06-05 | 2017-09-29 | 深圳市智盾环保科技有限公司 | Intelligent system for processing waste gas and method |
-
2013
- 2013-07-24 CN CN201320445735.6U patent/CN203454688U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398571A (en) * | 2013-07-24 | 2013-11-20 | 广东芬尼克兹节能设备有限公司 | Drying system capable of efficiently recycling organic waste gas |
| CN103398571B (en) * | 2013-07-24 | 2015-03-11 | 广东芬尼克兹节能设备有限公司 | Drying system capable of efficiently recycling organic waste gas |
| CN107213763A (en) * | 2017-06-05 | 2017-09-29 | 深圳市智盾环保科技有限公司 | Intelligent system for processing waste gas and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140226 Effective date of abandoning: 20150311 |
|
| RGAV | Abandon patent right to avoid regrant |