CN202860155U - Waste gas recycle and rectification device - Google Patents
Waste gas recycle and rectification device Download PDFInfo
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- CN202860155U CN202860155U CN201220555808.2U CN201220555808U CN202860155U CN 202860155 U CN202860155 U CN 202860155U CN 201220555808 U CN201220555808 U CN 201220555808U CN 202860155 U CN202860155 U CN 202860155U
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Abstract
The utility model relates to a waste gas recycle and rectification device. The waste gas recycling rectification device comprises a dipping and drying system, a gas collection and exhaustion system, a waste gas recycling system and a waste liquid rectification system. By utilizing the waste gas recycle and rectification device, waste gas produced in the industrial production is recycled in the ways of spraying and multi-time distillation and then is reused, so that the waste gas recycle and rectification device is energy-saving and environment-friendly and effectively solves the problem of waste gas treatment; the device is good in tightness, and little waste gas is discharged, so that the effect of irritant gases to an operator is greatly reduced; and compared with the relative environment-friendly device, the waste gas recycle and rectification device is cheaper and not poor in use effect.
Description
Technical field
The utility model relates to the relevant device of chemical industry, sets to relate to a kind of waste gas recovery rectifier unit.
Background technology
When the engineering resins such as production immersion coating polyimides, need to use a large amount of intensive polar solvents, obtain impregnated fabric after the oven dry of drying case, solvent ratios reaches more than 60%, directly be discharged in the air and can cause certain pollution to environment, general mode or the gas sampling recycling of burning that adopt.And relevant environmental protection equipment is invested 1,000,000 yuan, and is very expensive, therefore is restricted aspect recycling.These solvents all have certain volatility in addition, environment to production site has a great impact, in the excitant environment, work for a long time and can damage human body, therefore need the cover waste gas collecting systematic collection drying gas that contains solvent out, intensive polar solvent such as DMF etc. are soluble in water, and boiling point and water are poor larger, about 45 degree, therefore can adopt the mode of water spray to collect, obtain certain density recovery liquid, then reclaim by distillation.
Summary of the invention
Technical problem to be solved in the utility model provides and a kind ofly can effectively reclaim the waste gas that waste gas carries out cycling and reutilization and reclaim rectifier unit.
For solving the problems of the technologies described above, the utility model provides a kind of waste gas to reclaim rectifier unit, comprising: dipping drying system, gas collection exhaust system, gas recovery system, waste liquor rectification system.
Described dipping drying system comprises: the resin glue stock tank, the liquid level that links to each other with the resin glue stock tank pipeline of making up the difference, with the liquid level cloth apparatus that soaks that pipeline is connected of making up the difference, the lifting side picking device that bottom soaking cloth apparatus, links to each other, be located at the electrical heating drying room that soaks the cloth apparatus top, be located at the many groups fabric guide roll in the electrical heating drying room, be located at the exhaust outlet on electrical heating drying room top, the impregnation drying system adopts Liquid level compensator self filler mode, pass through induction level, by-pass valve control is opened, implement filling up of glue, greatly reduce labour intensity, stable dipping liquid level can improve the uniformity of the coating of resin.
Described gas collection exhaust system comprises: gas exhaust piping, gas storage terminal and low speed air-introduced machine, described gas exhaust piping comprises that one vertically arranges and bottom port circular arc pipe down, the edge of the bottom port of this circular arc pipe bends to the center, and form an annular groove, described annular groove is used for collecting the condensed fluid on the circular arc pipe, anti-pipeline condensate liquid passes back into the electrical heating drying room, and the oven dry operation of impregnated fabric is had a negative impact, the inner ring of this annular groove is connected with the exhaust outlet of electrical heating drying room, this annular groove bottom is connected with for the sewage draining exit of getting rid of condensed fluid, be connected with the blowdown control piper on this sewage draining exit, described gas storage terminal links to each other with gas exhaust piping, the output of described gas storage terminal links to each other with the low speed air-introduced machine, the bottom of described gas storage terminal is provided with valve, is used for the condensed fluid in the periodic cleaning pipeline.
Described gas recovery system links to each other with the low speed air-introduced machine of gas collection exhaust system, and described gas recovery system comprises: S shape or arch horizontal positioned in order to prevent that liquid level in the gas recovery system from replenishing the air inlet pipe of overflowing when excessive and the recovery tower that links to each other with this air inlet pipe.
Described waste liquor rectification system comprises: the temperature control igniter, burner with temperature control igniter control igniting, the steam oven that links to each other with burner, the first alembic, after-fractionating tank, the 3rd alembic and the drainer that link to each other successively by steam pipework with steam oven, the vavuum pump that links to each other with drainer, the bottom of described the 3rd alembic is provided with the waste liquid import, and this waste liquid import links to each other by pipeline with the output of recovery tower.
Described recovery tower bottom is provided with the first accumulator tank and the second accumulator tank, described the first accumulator tank is located at the top of the second accumulator tank, this first accumulator tank links to each other with air inlet pipe and links to each other with the second accumulator tank by collecting switching valve, described the first accumulator tank top is provided with the first packing layer, the first spray district, interlayer, the second packing layer, the second spray district successively, described the first spray district links to each other with the first accumulator tank by circulation line, water pump with the second spray district, be used for the recovery liquid of the first accumulator tank is carried out circulated sprinkling, make recovery liquid concentration higher.
Described recovery tower top is provided with a plurality of moisturizing cycling switch, be used for to collect the condensed water that the waste liquor rectification system produces and recycle, the outside of described the first accumulator tank and the second accumulator tank is connected with respectively liquid level gauge, be used for showing the liquid level of the first accumulator tank and the second accumulator tank and control that described the second accumulator tank links to each other with the waste liquid import of waste liquor rectification system by water pump.
Described the first alembic, the after-fractionating tank, the 3rd alembic, drainer includes shell and pipe layer, described pipe layer comprises upper tube layer and lower tube layer, described waste liquid import by pipeline successively with the after-fractionating tank, the lower tube layer of the first alembic links to each other, the lower tube layer of described the first alembic links to each other with the upper tube layer, and the first alembic, the after-fractionating tank, the 3rd alembic, the upper tube layer of drainer links to each other successively, when passing through the lower tube layer of three alembics, can utilize the thermal energy differential of shell and pipe layer that waste liquid is carried out preheating, improve energy utilization rate, when entering the first rectifying tank, waste liquid has had certain temperature, can accelerate the time of rectifying, improve rectification efficiency, then waste liquid passes through the first alembic successively through the upper tube layer, the after-fractionating tank, the distillation of the 3rd alembic.
Be equipped with valve between the upper tube layer of described the first alembic and after-fractionating tank, after-fractionating tank and the 3rd alembic, described valve is manual or electrically operated valve, can realize interface operation according to rectifying speed designs uninterrupted and pressure, reduce the operation easier of recovery system.
The bottom of described after-fractionating tank, the bottom of the 3rd alembic, the middle part of drainer is equipped with the waste water accumulator tank, described waste water accumulator tank all links to each other with the pipe layer of described corresponding tank body, and described waste water accumulator tank links to each other with the first accumulator tank of recovery tower by water pump respectively, described after-fractionating tank, the middle part of the 3rd alembic is equipped with tank, described two tanks link to each other with the second condensing unit of drainer lower end by pipeline, described the second cooling device is externally connected with cooling water pipe, described the second cooling device links to each other by first cooling device of pipeline with the drainer upper end, the input of described the first condensing unit links to each other with the 3rd alembic, and described the first cooling device output links to each other with back pool.
The middle part of described the first alembic, after-fractionating tank, the 3rd alembic is equipped with pan tank, and described three pan tanks link to each other successively, and the output of the pan tank of described the 3rd alembic links to each other with finished pot through water pump.
Described steam oven links to each other with the shell of the first alembic, after-fractionating tank, the 3rd alembic respectively by the road, what flow out in the described steam oven is water at atmospheric pressure steam, temperature is 100-140 ℃, because temperature is higher than the boiling point of water in the rectifier unit pipeline, progressively makes in water and the liquid solvent and separates.
Described steam oven is provided with steam pressure release valve, when the steam oven internal pressure is too high, can open steam pressure release valve and carry out step-down, described steam pipe is provided with temp controlled meter, temp controlled meter links to each other with the temperature control igniter by signal picker, pass through signals collecting, realize the burner automatic ignition, keep the outer vapor (steam) temperature of shell, be equipped with liquid level gauge on described three alembics, finished pot, the drainer, by modes such as weight induction or liquid level inductions, form the recovery system liquid level alarm device, the alert rectifying liquid that in time circulates.
Described vavuum pump links to each other with the pipe layer of drainer, the steam that is used for extraction waste liquid pipeline enters condensation in the drainer, so that the waste liquid pipeline is negative pressure state, accelerate waste liquid under the effect of shell external heat source solvent and moisture from, partial solvent is along with steam is siphoned away by negative pressure, for improving rectification effect, its condensation need to be got off, therefore vavuum pump links to each other with the pipe layer of condensation hat, flue gas is cooled off, because the condensation temperature of solvent is different from water, first the waste liquid condensation is reclaimed, steam cools off recovery along with negative pressure device enters in the second condensing unit, and gets back to continuation use in the solvent recovery unit by water pump.
Technique effect of the present utility model: waste gas of the present utility model reclaims rectifier unit and reclaims the waste gas that produces in the industrial production by the mode that sprays, repeatedly distill, and it is recycled, energy-conserving and environment-protective, effectively solved the problem of exhaust-gas treatment, this device good seal seldom has toxic emission, therefore can greatly reduce irritative gas to operating personnel's impact, and this waste gas reclaims rectifier unit compared to relevant environmental protection equipment, more cheap, result of use is not poor yet.
Description of drawings
For making clearer being understood of the utility model energy, below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is the structural representation that waste gas described in the utility model reclaims rectifier unit;
Fig. 2 is the partial enlarged drawing of described dipping drying system and gas collection exhaust system;
Fig. 3 is the partial enlarged drawing of described gas recovery system;
Fig. 4 is the partial enlarged drawing of described waste liquor rectification system;
Fig. 5 is the partial enlarged drawing that described gas collection exhaust system is connected with the dipping drying system.
Specific embodiment
Such as Fig. 1-5, the waste gas of present embodiment reclaims rectifier unit and comprises: dipping drying system 1, gas collection exhaust system 2, gas recovery system 3, waste liquor rectification system 4.
Described dipping drying system 1 comprises: resin glue stock tank 1-1, the liquid level that links to each other with the resin glue stock tank 1-1 pipeline 1-2 that makes up the difference, soak cloth apparatus 1-3 with liquid level makes up the difference that pipeline is connected, the lifting side picking device 1-4 that bottom soaking cloth apparatus 1-3, links to each other, be located at the electrical heating drying room 1-5 that soaks cloth apparatus 1-3 top, be located at the many groups fabric guide roll 1-6 in the electrical heating drying room 1-5, be located at the exhaust outlet 1-7 on electrical heating drying room 1-5 top, impregnation drying system 1 adopts Liquid level compensator self filler mode, pass through induction level, by-pass valve control is opened, implement filling up of glue, greatly reduce labour intensity, stable dipping liquid level can improve the uniformity of the coating of resin.
Described gas collection exhaust system 2 comprises: gas exhaust piping 2-1, gas storage terminal 2-2 and low speed air-introduced machine 2-3, described gas exhaust piping 2-1 comprises that one vertically arranges and bottom port circular arc pipe 2-4 down, the edge of the bottom port of this circular arc pipe 2-4 bends to the center, and form an annular groove 2-11, the inner ring of this annular groove 2-11 is connected with the exhaust outlet 1-7 of electrical heating drying room 1-5, this annular groove 2-11 bottom is connected with for the sewage draining exit of getting rid of condensed fluid, be connected with blowdown control piper 2-12 on this sewage draining exit, described annular groove 2-11 is used for collecting the condensed fluid on the circular arc pipe 2-4, anti-pipeline condensate liquid passes back into electrical heating drying room 1-5, and the oven dry operation of impregnated fabric is had a negative impact, described gas storage terminal 2-2 links to each other with gas exhaust piping 2-1, the output of described gas storage terminal 2-2 links to each other with low speed air-introduced machine 2-3, the bottom of described gas storage terminal 2-2 is provided with valve 2-21, is used for the condensed fluid in the periodic cleaning pipeline.
Described gas recovery system 3 links to each other with the low speed air-introduced machine 2-3 of gas collection exhaust system 2, and described gas recovery system 2 comprises: S shape or arch horizontal positioned in order to prevent that gas recovery system 3 interior liquid levels from replenishing the air inlet pipe 3-1 that overflows when excessive and the recovery tower 3-2 that links to each other with this air inlet pipe 3-1.
Described waste liquor rectification system 4 comprises: temperature control igniter 4-1, burner 4-2 with temperature control igniter control igniting, the steam oven 4-3 that links to each other with burner, the first alembic 4-4, the after-fractionating tank 4-5, the 3rd alembic 4-6 that link to each other by steam pipework with steam oven 4-3, the drainer 4-7 that links to each other with the 3rd alembic 4-6, the vavuum pump 4-8 that links to each other with drainer 4-7, the bottom of described the 3rd alembic 4-6 is provided with the waste liquid import, and this waste liquid import links to each other by pipeline with the output of recovery tower 3-2.
Described recovery tower 3-2 bottom is provided with the first accumulator tank 3-21 and the second accumulator tank 3-22, described the first accumulator tank 3-21 is located at the top of the second accumulator tank 3-22, this first accumulator tank 3-21 links to each other with air inlet pipe 3-1 and links to each other with the second accumulator tank 3-22 by collecting switching valve 3-23, described the first accumulator tank 3-21 top is provided with the first packing layer 3-24 successively, the first spray district 3-25, interlayer 3-26, the second packing layer 3-27, the second spray district 3-28, described the first spray district 3-25 and the second spray district 3-27 pass through circulation line, water pump links to each other with the first accumulator tank 3-21, be used for the recovery liquid of the first accumulator tank 3-21 is carried out circulated sprinkling, make recovery liquid concentration higher.
Described recovery tower 3-2 top is provided with a plurality of moisturizing cycling switch 3-28, be used for collecting the condensed water of waste liquor rectification system 4 generations and recycling, the outside of described the first accumulator tank 3-21 and the second accumulator tank 3-22 is connected with respectively liquid level gauge, be used for showing the liquid level of the first accumulator tank and the second accumulator tank and control that described the second accumulator tank 3-22 links to each other with waste liquor rectification system 4 by water pump.
Described the first alembic 4-4, after-fractionating tank 4-5, the 3rd alembic 4-6, drainer 4-7 includes shell and pipe layer, described pipe layer comprises upper tube layer and lower tube layer, described waste liquid import by pipeline successively with after-fractionating tank 4-5, the lower tube layer of the first alembic 4-4 links to each other, the lower tube layer of described the first alembic 4-4 links to each other with the upper tube layer, and the first alembic 4-4, after-fractionating tank 4-5, the 3rd alembic 4-6, the upper tube layer of drainer 4-7 links to each other successively, when passing through the lower tube layer of three alembics, can utilize the thermal energy differential of shell and pipe layer that waste liquid is carried out preheating, improve energy utilization rate, when entering the first rectifying tank, waste liquid has had certain temperature, can accelerate the time of rectifying, improve rectification efficiency, then waste liquid passes through the first alembic 4-4 successively through the upper tube layer, after-fractionating tank 4-5, the 3rd alembic 4-6 distillation.
Be equipped with valve between the upper tube layer of described the first alembic 4-4 and after-fractionating tank 4-5, after-fractionating tank 4-5 and the 3rd alembic 4-6, described valve is manual or electrically operated valve, can be according to rectifying speed designs uninterrupted and pressure, realize interface operation, reduce the operation easier of recovery system.
The bottom of described after-fractionating tank 4-5, the bottom of the 3rd alembic 4-6, the middle part of drainer 4-7 is equipped with the waste water accumulator tank, described waste water accumulator tank all links to each other with the pipe layer of described corresponding tank body, and the output of described waste water accumulator tank links to each other with the first accumulator tank 3-21 of recovery tower by water pump respectively, described after-fractionating tank 4-5, the middle part of the 3rd alembic 4-6 is equipped with condensate draining, described two condensate drainings link to each other with the second condensing unit 4-72 of drainer lower end by pipeline, described the second cooling device 4-72 is externally connected with cooling water pipe, described the second cooling device 4-72 links to each other by the first cooling device 4-71 of pipeline with drainer 4-7 upper end, the input of described the first condensing unit 4-71 links to each other with the 3rd alembic 4-6, and described the first cooling device 4-71 output links to each other with back pool.
The middle part of described the first alembic 4-4, after-fractionating tank 4-5, the 3rd alembic 4-6 is equipped with pan tank, and described three pan tanks link to each other successively, and the output of the pan tank of described the 3rd alembic 4-6 links to each other with finished pot through water pump.
Described steam oven 4-3 links to each other with the shell of the first alembic 4-4, after-fractionating tank 4-5, the 3rd alembic 4-6 respectively by the road, what flow out among the described steam oven 4-3 is water at atmospheric pressure steam, temperature is 100-140 ℃, because temperature is higher than the boiling point of water in the rectifier unit pipeline, progressively makes in water and the liquid solvent and separate.
Described steam oven 4-3 is provided with steam pressure release valve 4-31, when the steam oven internal pressure is too high, can open steam pressure release valve 4-31 and carry out step-down, described steam pipe is provided with temp controlled meter, temp controlled meter links to each other with temperature control igniter 4-1 by signal picker, pass through signals collecting, realize the burner automatic ignition, keep the outer vapor (steam) temperature of shell, be equipped with liquid level gauge on described three alembics, finished pot, the drainer, by modes such as weight induction or liquid level inductions, form the recovery system liquid level alarm device, the alert rectifying liquid that in time circulates.
Described vavuum pump 4-8 links to each other with the pipe layer of drainer 4-7, the steam that is used for extraction waste liquid pipeline enters condensation among the drainer 4-7, so that the waste liquid pipeline is negative pressure state, accelerate waste liquid under the effect of shell external heat source solvent and moisture from, partial solvent is along with steam is siphoned away by negative pressure, for improving rectification effect, its condensation need to be got off, therefore vavuum pump 4-8 links to each other with the pipe layer of drainer 4-7, flue gas is cooled off, because the condensation temperature of solvent is different from water, first the waste liquid condensation is reclaimed, steam cools off recovery along with negative pressure device enters in the second condensing unit 4-72, and gets back to continuation use in the solvent recovery unit by water pump.
Obviously, above-described embodiment only is for the utility model example clearly is described, and is not to be restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And these belong to apparent variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.
Claims (8)
1. a waste gas reclaims rectifier unit, it is characterized in that comprising: dipping drying system, gas collection exhaust system, gas recovery system, waste liquor rectification system;
Described dipping drying system comprises: resin glue stock tank, the liquid level that links to each other with the resin glue stock tank make up the difference pipeline, with liquid level make up the difference that pipeline is connected soak cloth apparatus, with soak lifting side picking device that the cloth apparatus bottom links to each other, be located at the electrical heating drying room that soaks above the cloth apparatus, be located at many groups fabric guide roll in the electrical heating drying room, be located at the exhaust outlet on electrical heating drying room top;
Described gas collection exhaust system comprises: gas exhaust piping, gas storage terminal and low speed air-introduced machine, described gas exhaust piping comprises that one vertically arranges and bottom port circular arc pipe down, the edge of the bottom port of this circular arc pipe bends to the center, and form an annular groove, the inner ring of this annular groove is connected with the exhaust outlet of electrical heating drying room, this annular groove bottom is connected with for the sewage draining exit of getting rid of condensed fluid, be connected with the blowdown control piper on this sewage draining exit, described gas storage terminal links to each other with gas exhaust piping, the output of described gas storage terminal links to each other with the low speed air-introduced machine, and the bottom of described gas storage terminal is provided with valve;
Described gas recovery system links to each other with the low speed air-introduced machine of gas collection exhaust system, and described gas recovery system comprises: S shape or arch horizontal positioned in order to prevent that liquid level in the gas recovery system from replenishing the air inlet pipe of overflowing when excessive and the recovery tower that links to each other with this air inlet pipe;
Described waste liquor rectification system comprises: the temperature control igniter, burner with temperature control igniter control igniting, the steam oven that links to each other with burner, the first alembic, after-fractionating tank, the 3rd alembic that link to each other by steam pipework with steam oven, the drainer that links to each other with the 3rd alembic, the vavuum pump that links to each other with drainer, the bottom of described the 3rd alembic is provided with the waste liquid import, and this waste liquid import links to each other by pipeline with the output of recovery tower.
2. waste gas as claimed in claim 1 reclaims rectifier unit, it is characterized in that: described recovery tower bottom is provided with the first accumulator tank and the second accumulator tank, described the first accumulator tank is located at the top of the second accumulator tank, this first accumulator tank links to each other with air inlet pipe and links to each other with the second accumulator tank by collecting switching valve, described the first accumulator tank top is provided with the first packing layer, the first spray district, interlayer, the second packing layer, the second spray district successively, and described the first spray district links to each other with the first accumulator tank by circulation line, water pump with the second spray district.
3. waste gas as claimed in claim 2 reclaims rectifier unit, it is characterized in that: described recovery tower top is provided with a plurality of moisturizing cycling switch, the outside of described the first accumulator tank and the second accumulator tank is connected with respectively liquid level gauge, and described the second accumulator tank links to each other with the waste liquid import of waste liquor rectification system by water pump.
4. waste gas as claimed in claim 3 reclaims rectifier unit, it is characterized in that: described the first alembic, after-fractionating tank, the 3rd alembic, drainer include shell and pipe layer, described pipe layer comprises upper tube layer and lower tube layer, described waste liquid import links to each other with the lower tube layer of after-fractionating tank, the first alembic successively by pipeline, the lower tube layer of described the first alembic links to each other with the upper tube layer, and the upper tube layer of the first alembic, after-fractionating tank, the 3rd alembic, drainer links to each other successively;
Be equipped with valve between the upper tube layer of described the first alembic and after-fractionating tank, after-fractionating tank and the 3rd alembic, described valve is manually-operated gate;
Or, being equipped with valve between the pipe layer of described the first alembic and after-fractionating tank, after-fractionating tank and the 3rd alembic, described valve is electrically operated valve.
5. waste gas as claimed in claim 4 reclaims rectifier unit, it is characterized in that: the bottom of described after-fractionating tank, the bottom of the 3rd alembic, the middle part of drainer is equipped with the waste water accumulator tank, described waste water accumulator tank all links to each other with the upper tube layer of described corresponding tank body, and described waste water accumulator tank links to each other with the first accumulator tank of recovery tower by water pump respectively, described after-fractionating tank, the middle part of the 3rd alembic is equipped with tank, described two tanks link to each other with the second condensing unit of drainer lower end by pipeline, described the second cooling device is externally connected with cooling water pipe, described the second cooling device links to each other by first cooling device of pipeline with the drainer upper end, the input of described the first condensing unit links to each other with the 3rd alembic, and described the first cooling device output links to each other with back pool.
6. waste gas as claimed in claim 5 reclaims rectifier unit, it is characterized in that: the middle part of described the first alembic, after-fractionating tank, the 3rd alembic is equipped with pan tank, described three pan tanks link to each other successively, and the output of the pan tank of described the 3rd alembic links to each other with finished pot through water pump.
7. waste gas as claimed in claim 6 reclaims rectifier unit, and it is characterized in that: described steam oven links to each other with the shell of the first alembic, after-fractionating tank, the 3rd alembic respectively by the road.
8. waste gas as claimed in claim 7 reclaims rectifier unit, it is characterized in that: described steam oven is provided with steam pressure release valve, described steam pipe is provided with temp controlled meter, temp controlled meter links to each other with the temperature control igniter by signal picker, is equipped with liquid level gauge on described three alembics, finished pot, the drainer; Described vavuum pump links to each other with the pipe layer of drainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220555808.2U CN202860155U (en) | 2012-10-26 | 2012-10-26 | Waste gas recycle and rectification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220555808.2U CN202860155U (en) | 2012-10-26 | 2012-10-26 | Waste gas recycle and rectification device |
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| CN202860155U true CN202860155U (en) | 2013-04-10 |
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| CN201220555808.2U Expired - Fee Related CN202860155U (en) | 2012-10-26 | 2012-10-26 | Waste gas recycle and rectification device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989188A (en) * | 2012-10-26 | 2013-03-27 | 镇江铁科橡塑制品有限公司 | Exhaust gas recovery and rectification device |
| CN103203167A (en) * | 2012-10-26 | 2013-07-17 | 镇江铁科橡塑制品有限公司 | Exhaust gas recovery method |
| CN110755867A (en) * | 2019-11-16 | 2020-02-07 | 山东众兴泽辉新材料股份有限公司 | Dmf waste liquid treatment device and treatment method thereof |
-
2012
- 2012-10-26 CN CN201220555808.2U patent/CN202860155U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989188A (en) * | 2012-10-26 | 2013-03-27 | 镇江铁科橡塑制品有限公司 | Exhaust gas recovery and rectification device |
| CN103203167A (en) * | 2012-10-26 | 2013-07-17 | 镇江铁科橡塑制品有限公司 | Exhaust gas recovery method |
| CN110755867A (en) * | 2019-11-16 | 2020-02-07 | 山东众兴泽辉新材料股份有限公司 | Dmf waste liquid treatment device and treatment method thereof |
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| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU TIEKE NEW MATERIAL CO., LTD. Free format text: FORMER NAME: ZHENJIANG TIEKE RUBBER PRODUCTS LTD. |
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| CP03 | Change of name, title or address |
Address after: 212000 No. 29, Xing Xing Road, Jiangsu, Zhenjiang Patentee after: JIANGSU TIEKE NEW MATERIAL Co.,Ltd. Address before: 212021 No. 29, Xing Xing Road, Jiangsu, Zhenjiang Patentee before: Zhenjiang Tieke Rubber & Plastic Products Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20211026 |