CN103736362B - A kind of environmentally-frieautomobile automobile exhaust absorption plant - Google Patents
A kind of environmentally-frieautomobile automobile exhaust absorption plant Download PDFInfo
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- CN103736362B CN103736362B CN201410015619.XA CN201410015619A CN103736362B CN 103736362 B CN103736362 B CN 103736362B CN 201410015619 A CN201410015619 A CN 201410015619A CN 103736362 B CN103736362 B CN 103736362B
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Abstract
The present invention relates to a kind of device for absorbing tail gas, particularly relate to a kind of environmentally-frieautomobile automobile exhaust absorption plant.Environmentally-frieautomobile automobile exhaust absorption plant comprises offgas duct, described in it, the two ends of offgas duct are respectively arranged with air inlet and gas outlet, described gas outlet is connected with tail gas absorption box, absorption liquid bath is provided with bottom described tail gas absorption box, described absorption liquid bath is communicated with the inlet be arranged in described tail gas absorption box top, and side, described tail gas absorption box top is provided with clean gas outlet; The first environmental protection filter course is provided with above described absorption liquid bath; Described first environmental protection filter course comprises plant carbon plastic and the sponge of interlaced arrangement, and concrete arrangement mode is described first side, environmental protection filter course top is plant carbon plastic layer, and opposite side is spongy layer; The lower end of described plant carbon plastic layer correspondence is spongy layer, and the lower end that described spongy layer is corresponding is plant carbon plastic layer.Apparatus of the present invention have anti-flammability and absorb more thorough to exhaust pollutant.
Description
Technical field
The present invention relates to a kind of device for absorbing tail gas, particularly relate to a kind of environmentally-frieautomobile automobile exhaust absorption plant.
Background technology
The waste gas that vehicle exhaust is discharged for engine operation, not only smell is strange for this gaseous effluent, and make us dizzy, feel sick, affect the healthy of people.When vehicle is few, the self-purification capacity of air still can dissolve the toxin of automobile discharge.But along with the sharply increase of automobile quantity, traffic congestion gets married normal potluck, convenient, comfortable, the efficient advantage that automobile should possess gradually offset by too much vehicle." automobile disaster " is formed, and no small harm is done especially for the vehicle exhaust brought thus.
Scientific analysis shows, containing hundreds of different compound in vehicle exhaust, pollutant wherein has solid aerosol, carbon monoxide, carbon dioxide, hydrocarbon, oxynitrides, lead and oxygen sulfur compound etc.
CN102852597A (2013-1-2) discloses a kind of automobile tail gas filtering device, but this device absorbs thorough not to exhaust pollutant, need to improve.
Summary of the invention
The object of this invention is to provide a kind of exhaust pollutant to absorb comparatively thoroughly and the environmentally-frieautomobile automobile exhaust absorption plant with anti-flammability.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
Environmentally-frieautomobile automobile exhaust absorption plant comprises offgas duct, described in it, the two ends of offgas duct are respectively arranged with air inlet and gas outlet, described gas outlet is connected with tail gas absorption box, absorption liquid bath is provided with bottom described tail gas absorption box, described absorption liquid bath is communicated with the inlet be arranged in described tail gas absorption box top, and side, described tail gas absorption box top is provided with clean gas outlet; The first environmental protection filter course is provided with above described absorption liquid bath; Described first environmental protection filter course comprises plant carbon plastic and the sponge of interlaced arrangement, and concrete arrangement mode is described first side, environmental protection filter course top is plant carbon plastic layer, and opposite side is spongy layer; The lower end of described plant carbon plastic layer correspondence is spongy layer, and the lower end that described spongy layer is corresponding is plant carbon plastic layer;
The weight of described plant carbon plastic and consisting of: molecular weight is the ultra-high molecular weight polyethylene 100 parts of 400-700 ten thousand, molecular weight is high density poly propylene 30-35 part of 100-140 ten thousand, first fire retardant 3-12 part, flexibilizer 5-10 part, coupling agent 2-5 part, antioxidant 0.5-1 part, plant charcoal 15-20 part;
Described plant charcoal obtains through following methods:
A. raw material pre-treatment: corncob, bamboo or pine tree are sent in microwave vacuum tank, be evacuated to vacuum for-0.02MPa ~-0.001MPa, then carry out microwave treatment, microwave frequency is 300MHz ~ 950MHz, and microwave treatment time is 1 ~ 3min;
B. plant charcoal preparation: drying, pre-charing, charing, calcining and cooling will be experienced successively through the corncob of pre-treatment gained, bamboo or pine tree, control combustion is incubated 40-80min with the ramp of 5-15 DEG C/min to 700-750 DEG C or 900-1000 DEG C, and then is incubated 2-8h with the ramp of 5-15 DEG C/min and obtains plant charcoal to 1000-1500 DEG C or 1600-1800 DEG C.
Advantage of the present invention is:
1. by the first environmental protection filter course of described vibrational power flow with absorb liquid bath etc. and arrange and form environmentally-frieautomobile automobile exhaust absorption plant, multi-absorption can be carried out to vehicle exhaust, good absorbing effect, one of them reason may be because the absorption bed distance of tail gas process is longer; Another reason may be because the combination good absorbing effect of plant carbon plastic layer wherein and spongy layer;
2. final obtained environmentally-frieautomobile automobile exhaust absorption plant has anti-flammability.
As preferably, for corncob or bamboo, control combustion is incubated 40-80min with the ramp of 5-15 DEG C/min to 700-750 DEG C, and then is incubated 2-8h with the ramp of 5-15 DEG C/min to 1000-1500 DEG C, obtains plant charcoal.
As preferably, for pine tree, control combustion is incubated 40-80min with the ramp of 5-15 DEG C/min to 900-1000 DEG C, and then is incubated 2-8h with the ramp of 5-15 DEG C/min to 1600-1800 DEG C, obtains plant charcoal.
As preferably, described first fire retardant is counted composed of the following components by weight: ammonium low polyphosphate 20 ~ 50 parts, 10 ~ 25 parts, ammonium phosphate, ammonium pyrophosphate 6 ~ 12 parts, 5 ~ 20 parts, ammonium sulfate, boric acid 5 ~ 10 parts, 10 ~ 25 parts, water.
As preferably, described flexibilizer is ethylene propylene diene rubber EPDM or second third glue; Described coupling agent is silane coupler, aluminate coupling agent or aluminium titanium composite coupler; Described antioxidant is phosphite ester.
As preferably, described clean gas outlet side is provided with the second environmental protection filter course and the deflector being positioned at described first environmental protection filter course upper end.
Described deflector and the second environmental protection filter course can make tail gas discharge after fully absorbing, and prevent the tail gas having little time to absorb process from directly overflowing clean gas outlet.
As preferably, the material of spongy layer is plant charcoal sponge.
As preferably, the material of described second environmental protection filter course is plant charcoal sponge.
As preferably, described plant charcoal sponge is made up of following raw materials according and weight portion: 1-8 part particle diameter 1500-2500 object bamboo charcoal powder, the first polyalcohol 20-85, second polyalcohol 10-90, MDI isocyanates 8-30, toughened with silicon rubber agent 0.2-0.8, blowing agent 3-6, catalyst 0.5-1, surfactant 0.3-0.9, the second fire retardant 0.2-0.5; Described first polyalcohol is the polymer of ethylene glycol and propane diols, and degree of functionality is 3, hydroxyl value 45-99mgKOH/g; Described second polyalcohol is the polyol of trimethylolpropane and epoxy butane, and epoxy butane content is greater than 60%, hydroxyl value 3-22mgKOH/g.
As preferably, described blowing agent is one or more in the sodium bicarbonate solution of pentamethylene, normal butane or 5-15%; Described catalyst is triethylene diamine; Described second fire retardant is sulfonate salt flame.
Accompanying drawing explanation
Fig. 1 is environmentally-frieautomobile automobile exhaust absorption plant schematic diagram of the present invention;
Fig. 2 is plant charcoal preparation facilities schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, environmentally-frieautomobile automobile exhaust absorption plant comprises offgas duct 1, the two ends of offgas duct 1 are respectively arranged with air inlet 11 and gas outlet 12, gas outlet 12 is connected with tail gas absorption box 2, be provided with bottom tail gas absorption box 2 and absorb liquid bath 21, absorb liquid bath 21 and be communicated with the inlet 22 be arranged in tail gas absorption box 2 top, side, tail gas absorption box 2 top is provided with clean gas outlet 23; Absorb above liquid bath 21 and be provided with the first environmental protection filter course 24; First environmental protection filter course 24 comprises plant carbon plastic and the sponge of interlaced arrangement, and concrete arrangement mode is the first side, environmental protection filter course 24 top is plant carbon plastic layer 241, and opposite side is spongy layer 242; The lower end of plant carbon plastic layer 241 correspondence is spongy layer 242, and the lower end of spongy layer 242 correspondence is plant carbon plastic layer 241.Clean gas outlet 23 side is provided with the second environmental protection filter course 25 and deflector 26 that are positioned at described first environmental protection filter course 24 upper end.The material of spongy layer 242 is plant charcoal sponge.The material of the second environmental protection filter course 25 is plant charcoal sponge.
As shown in Figure 2, the vertical moving bed that plant charcoal preparation uses is divided into dry section A, pre-char zone B, char zone C, calcining zone D and cooling zone E.Calcining zone D side is distributed with many oxidizer entrance holes that can regulate closure or openness, as d1, d2, d3 etc., opposite side is to having the point for measuring temperature at each aperture place as t1, t2, t3 etc., and each aperture place temperature is shown by the temperature sensing device F be connected with this point for measuring temperature.
Embodiment one
The plant material that the present embodiment adopts is corncob.
Sent into by plant material in microwave vacuum tank, be evacuated to vacuum for-0.02MPa, then carry out microwave treatment, microwave frequency is 300MHzMHz, and microwave treatment time is 1min;
Plant material through pre-treatment gained is experienced drying successively, pre-charing, charing, calcining and cooling, the temperature of each point for measuring temperature, dry section A is 150 DEG C, pre-char zone B is 275 DEG C, char zone C is 450 DEG C, the temperature of the district of D shown in Fig. 1 and combustion zone diverse location is observed during intensification, when the temperature of somewhere, combustion zone as d2 is too low, open the aperture at this place, import air locally to burn, this place's temperature is raised, control the combustion zone temperature experienced in bamboo folding process, control combustion is with the ramp to 700 of 5 DEG C/min DEG C and be incubated 40min, and then be incubated 2h obtain plant charcoal with the ramp to 1600 of 5 DEG C/min DEG C,
Modifying plastics: first 3 part of first fire retardant, 5 parts of ethylene propylene diene rubber EPDM flexibilizer, 2 parts of silane couplers, 0.5 part of phosphite ester and 15 parts of plant charcoal are mediated 40min in banbury at 90 DEG C, and then add ultra-high molecular weight polyethylene that 100 parts of molecular weight are 400-500 ten thousand to, 30 parts of molecular weight are in the base-material of high density poly propylene composition of 100-110 ten thousand, through double screw extruder extruding pelletization after mixed at high speed, extrusion temperature is 210 DEG C.
The first fire retardant used is counted composed of the following components by weight: ammonium low polyphosphate 20 parts, 10 parts, ammonium phosphate, ammonium pyrophosphate 6 parts, 5 parts, ammonium sulfate, boric acid 5 parts, 10 parts, water.
The raw materials of plant charcoal sponge:
5 parts of particle diameter 1800-2000 object bamboo charcoal powder; First polyalcohol: 20 weight portions; The polymer of ethylene glycol and propane diols, degree of functionality is 3, hydroxyl value 45mgKOH/g; Second polyalcohol: polyol 90 weight portion of trimethylolpropane and epoxy butane, epoxy butane content is greater than 60%, hydroxyl value 3mgKOH/g; MDI isocyanates 8 weight portion; Blowing agent 3 weight portion that pentamethylene, normal butane are formed; Triethylene diamine 2 parts; B8002 surfactant; The sulfonate salt flame of 0.2 weight portion; 0.2 weight portion room temperature vulcanized silicone rubber flexibilizer.
The preparation method of plant charcoal sponge: prepare the first polyalcohol and the second polyalcohol by above-mentioned raw materials proportioning in the first head tank, prepare other raw material in the second head tank; Raw material in first head tank is uniformly mixed acquisition first mixed liquor in the first mixer, the raw material in the second head tank is uniformly mixed acquisition second mixed liquor in the second mixer; First mixed liquor is sent into the first feed pipe, the second mixed liquor is sent into the second feed pipe, after the temperature in mould to be foamed reaches 40 DEG C, control feeding ratio and feeding capacity with computer in recipe ratio, and control blanking in foaming mould by feeding rifle; Foam 1min in the foaming mould of 40 DEG C, and at 25 DEG C of insulation 1h; By the material cooling stripping and slicing after foamed heat insulating.
Embodiment two
The plant material that the present embodiment adopts is bamboo chip (being about 40cm).
Sent into by plant material in microwave vacuum tank, be evacuated to vacuum for-0.001MPa, then carry out microwave treatment, microwave frequency is 950MHz, and microwave treatment time is 3min;
Plant material through pre-treatment gained is experienced drying successively, pre-charing, charing, calcining and cooling, the temperature of each point for measuring temperature, dry section A is 150 DEG C, pre-char zone B is 275 DEG C, char zone C is 450 DEG C, the temperature of the district of D shown in Fig. 1 and combustion zone diverse location is observed during intensification, when the temperature of somewhere, combustion zone as d2 is too low, open the aperture at this place, import air locally to burn, this place's temperature is raised, control the combustion zone temperature experienced in bamboo folding process, control combustion is with the ramp to 750 of 15 DEG C/min DEG C and be incubated 80min, and then be incubated 8h obtain plant charcoal with the ramp 1500 DEG C of 15 DEG C/min,
Modifying plastics: first 12 part of first fire retardant, 10 parts of second third glue flexibilizer, 2-5 part aluminate coupling agent, 1 part of irgasfos 168 and 20 parts of plant charcoal are mediated 50min in banbury at 100 DEG C, and then add ultra-high molecular weight polyethylene that 100 parts of molecular weight are 600-700 ten thousand to, 35 parts of molecular weight are in the base-material of high density poly propylene composition of 130-140 ten thousand, through double screw extruder extruding pelletization after mixed at high speed, extrusion temperature is 220 DEG C.
The first fire retardant used is counted composed of the following components by weight: ammonium low polyphosphate 50 parts, 25 parts, ammonium phosphate, ammonium pyrophosphate 12 parts, 20 parts, ammonium sulfate, boric acid 10 parts, 25 parts, water.
The raw materials of plant charcoal sponge:
6-8 part particle diameter 2000-2500 object bamboo charcoal powder; First polyalcohol: the ethylene glycol of 30 weight portions and the polymer of propane diols, degree of functionality is 3, hydroxyl value 50mgKOH/g; Second polyalcohol: there is polyol 60 weight portion adopting bimetallic cyanide complex catalyst and the trimethylolpropane that formed and epoxy butane, epoxy butane content 68%, hydroxyl value 8mgKOH/g; MDI isocyanates 15 weight portion; Pentamethylene blowing agent 5 weight portion; The sulfonate salt flame of triethylene diamine 3 part of 0.3 weight portion; 0.5 weight portion room temperature vulcanized silicone rubber flexibilizer.
Embodiment three
The plant material that the present embodiment adopts is pine tree, and ingress after pine tree being removed epidermis impurity, cut to lengthen is no more than 15cm.
Sent into by plant material in microwave vacuum tank, be evacuated to vacuum for-0.01MPa, then carry out microwave treatment, microwave frequency is 550MHz, and microwave treatment time is 2min;
Plant material through pre-treatment gained is experienced drying successively, pre-charing, charing, calcining and cooling, the temperature of each point for measuring temperature, dry section A is 180 DEG C, pre-char zone B is 325 DEG C, char zone C is 530 DEG C, the temperature of the district of D shown in Fig. 1 and combustion zone diverse location is observed during intensification, when the temperature of somewhere, combustion zone as d2 is too low, open the aperture at this place, import air locally to burn, this place's temperature is raised, control the combustion zone temperature experienced in bamboo folding process, control combustion is with the ramp to 900 of 10 DEG C/min DEG C and be incubated 50min, and then be incubated 5h obtain plant charcoal with the ramp to 1600 of 10 DEG C/min DEG C,
Modifying plastics: first 8 part of first fire retardant, 6 parts of ethylene propylene diene rubber EPDM flexibilizer, 4 parts of aluminium titanium composite couplers, 0.7 part of phosphite ester and 18 parts of plant charcoal are mediated 45min in banbury at 95 DEG C, and then add ultra-high molecular weight polyethylene that 100 parts of molecular weight are 500-600 ten thousand to, 33 parts of molecular weight are in the base-material of high density poly propylene composition of 120-130 ten thousand, through double screw extruder extruding pelletization after mixed at high speed, extrusion temperature is 230 DEG C.
The first fire retardant used is counted composed of the following components by weight: ammonium low polyphosphate 30 parts, 15 parts, ammonium phosphate, ammonium pyrophosphate 8 parts, 15 parts, ammonium sulfate, boric acid 8 parts, 15 parts, water.
The raw materials of plant charcoal sponge:
1-3 part particle diameter 1500-2800 object bamboo charcoal powder; First polyalcohol: the ethylene glycol of 85 weight portions and the polymer of propane diols, degree of functionality is 3, hydroxyl value 99mgKOH/g; Second polyalcohol: polyol 10 weight portion of trimethylolpropane and epoxy butane, epoxy butane content 80%, hydroxyl value 22mgKOH/g; MDI isocyanates 30 weight portion; Blowing agent 6 weight portion of the sodium bicarbonate solution formation of pentamethylene, normal butane, 5-15%; Triethylene diamine 6 parts; The sulfonate salt flame of 0.5 weight portion; 0.8 weight portion room temperature vulcanized silicone rubber flexibilizer.
The preparation method of plant charcoal sponge prepares the first polyalcohol and the second polyalcohol by above-mentioned raw materials proportioning in the first head tank, prepares other raw material in the second head tank; Raw material in first head tank is uniformly mixed acquisition first mixed liquor in the first mixer, the raw material in the second head tank is uniformly mixed acquisition second mixed liquor in the second mixer; First mixed liquor is sent into the first feed pipe, the second mixed liquor is sent into the second feed pipe, after the temperature in mould to be foamed reaches 50 DEG C, control feeding ratio and feeding capacity with computer in recipe ratio, and control blanking in foaming mould by feeding rifle; Foam 8min in the foaming mould of 50 DEG C, and at 40 DEG C of insulation 5h; By the material cooling stripping and slicing after foamed heat insulating.
Embodiment four
With embodiment three, unlike the use of raw material be beech; Control combustion is with the ramp to 1000 of 10 DEG C/min DEG C and be incubated 50min, and then is incubated 5h obtains plant charcoal with the ramp to 1800 of 10 DEG C/min DEG C.
Embodiment five
With embodiment three, be deca-BDE, antimony oxide and the dilatancy first fire retardant ammonium polyphosphate APP unlike the first fire retardant, proportions is 10:5:1.
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this description, as long as but be all subject to the protection of Patent Law in right of the present invention.
Claims (1)
1. an environmentally-frieautomobile automobile exhaust absorption plant, comprise offgas duct (1), it is characterized in that: the two ends of described offgas duct (1) are respectively arranged with air inlet (11) and gas outlet (12), described gas outlet (12) is connected with tail gas absorption box (2), described tail gas absorption box (2) bottom is provided with and absorbs liquid bath (21), described absorption liquid bath (21) is communicated with the inlet (22) be arranged in described tail gas absorption box (2) top, and described tail gas absorption box (2) side, top is provided with clean gas outlet (23); Described absorption liquid bath (21) top is provided with the first environmental protection filter course (24); Described first environmental protection filter course (24) comprises plant carbon plastic and the sponge of interlaced arrangement, and concrete arrangement mode is described first environmental protection filter course (24) side, top is plant carbon plastic layer (241), and opposite side is spongy layer (242); The lower end of described plant carbon plastic layer (241) correspondence is spongy layer (242), and the lower end that described spongy layer (242) is corresponding is plant carbon plastic layer (241);
Described clean gas outlet (23) side is provided with the second environmental protection filter course (25) and deflector (26) that are positioned at described first environmental protection filter course (24) upper end;
The material of spongy layer (242) is plant charcoal sponge; The material of described second environmental protection filter course (25) is plant charcoal sponge;
Described plant charcoal sponge is made up of following raw materials according and weight portion: 1-8 part particle diameter 1500-2500 object bamboo charcoal powder, the first polyalcohol 20-85, second polyalcohol 10-90, MDI isocyanates 8-30, toughened with silicon rubber agent 0.2-0.8, blowing agent 3-6, catalyst 0.5-1, surfactant 0.3-0.9, the second fire retardant 0.2-0.5; Described first polyalcohol is the polymer of ethylene glycol and propane diols, and degree of functionality is 3, hydroxyl value 45-99mgKOH/g; Described second polyalcohol is the polyol of trimethylolpropane and epoxy butane, and epoxy butane content is greater than 60%, hydroxyl value 3-22mgKOH/g;
The weight of described plant carbon plastic and consisting of: molecular weight is the ultra-high molecular weight polyethylene 100 parts of 400-700 ten thousand, molecular weight is high density poly propylene 30-35 part of 100-140 ten thousand, first fire retardant 3-12 part, flexibilizer 5-10 part, coupling agent 2-5 part, antioxidant 0.5-1 part, plant charcoal 15-20 part;
Described plant charcoal obtains through following methods:
Raw material pre-treatment: corncob, bamboo or pine tree are sent in microwave vacuum tank, be evacuated to vacuum for-0.02MPa ~-0.001MPa, then carry out microwave treatment, microwave frequency is 300MHz ~ 950MHz, and microwave treatment time is 1 ~ 3min;
Prepared by plant charcoal: will experience drying, pre-charing, charing, calcining and cooling successively through the corncob of pre-treatment gained, bamboo or pine tree, control combustion is incubated 40-80min with the ramp of 5-15 DEG C/min to 700-750 DEG C or 900-1000 DEG C, and then is incubated 2-8h with the ramp of 5-15 DEG C/min and obtains plant charcoal to 1000-1500 DEG C or 1600-1800 DEG C;
For corncob or bamboo, control combustion is incubated 40-80min with the ramp of 5-15 DEG C/min to 700-750 DEG C, and then is incubated 2-8h with the ramp of 5-15 DEG C/min to 1000-1500 DEG C, obtains plant charcoal;
For pine tree, control combustion is incubated 40-80min with the ramp of 5-15 DEG C/min to 900-1000 DEG C, and then is incubated 2-8h with the ramp of 5-15 DEG C/min to 1600-1800 DEG C, obtains plant charcoal;
Described first fire retardant is counted composed of the following components by weight: ammonium low polyphosphate 20 ~ 50 parts, 10 ~ 25 parts, ammonium phosphate, ammonium pyrophosphate 6 ~ 12 parts, 5 ~ 20 parts, ammonium sulfate, boric acid 5 ~ 10 parts, 10 ~ 25 parts, water;
Described flexibilizer is ethylene propylene diene rubber EPDM or second third glue; Described coupling agent is silane coupler, aluminate coupling agent or aluminium titanium composite coupler; Described antioxidant is phosphite ester;
Described blowing agent is one or more in the sodium bicarbonate solution of pentamethylene, normal butane or 5-15%; Described catalyst is triethylene diamine; Described second fire retardant is sulfonate salt flame.
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| CN201410015619.XA CN103736362B (en) | 2014-01-14 | 2014-01-14 | A kind of environmentally-frieautomobile automobile exhaust absorption plant |
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| CN201410015619.XA CN103736362B (en) | 2014-01-14 | 2014-01-14 | A kind of environmentally-frieautomobile automobile exhaust absorption plant |
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| CN109162795A (en) * | 2018-11-05 | 2019-01-08 | 徐州瑞田工程机械有限公司 | It is a kind of can cleaning of off-gas automobile exhaust pipe |
| CN110935314A (en) * | 2019-12-11 | 2020-03-31 | 蒋杰 | Environment-friendly tail gas purification processing apparatus for new energy automobile |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2499585Y (en) * | 2001-10-19 | 2002-07-10 | 艾买尔江·买买提 | Environment protection device for reclaiming waste gas |
| CN102888044A (en) * | 2012-10-24 | 2013-01-23 | 浙江建中竹业科技有限公司 | Production method of vegetable carbon plastics |
| CN102911333A (en) * | 2012-08-13 | 2013-02-06 | 浙江建中竹业科技有限公司 | Bamboo charcoal slow-recovery foam |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2499585Y (en) * | 2001-10-19 | 2002-07-10 | 艾买尔江·买买提 | Environment protection device for reclaiming waste gas |
| CN102911333A (en) * | 2012-08-13 | 2013-02-06 | 浙江建中竹业科技有限公司 | Bamboo charcoal slow-recovery foam |
| CN102888044A (en) * | 2012-10-24 | 2013-01-23 | 浙江建中竹业科技有限公司 | Production method of vegetable carbon plastics |
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