CN202224028U - Organic waste gas recovering and processing device in synthetic leather production - Google Patents
Organic waste gas recovering and processing device in synthetic leather production Download PDFInfo
- Publication number
- CN202224028U CN202224028U CN2011202127780U CN201120212778U CN202224028U CN 202224028 U CN202224028 U CN 202224028U CN 2011202127780 U CN2011202127780 U CN 2011202127780U CN 201120212778 U CN201120212778 U CN 201120212778U CN 202224028 U CN202224028 U CN 202224028U
- Authority
- CN
- China
- Prior art keywords
- water
- dimethyl formamide
- spray
- chamber
- absorption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to the technical field of synthetic leather production, and provides an organic waste gas recovering and processing device in synthetic leather production, which not only can effectively recover dimethylformamide in waste gas, and also can effectively recover organic substances such as methylbenzene, butanone and the like in the waste gas. The device comprises an absorbing tower; the interior of the absorbing tower is divided into a dimethylformamide absorbing section and a water absorbing section in sequence from bottom to top; the dimethylformamide absorbing section comprises a dimethylformamide spray absorbing chamber and a dimethylformamide filter absorbing chamber from bottom to top; the water absorbing section comprises a water spray absorbing chamber and a water filter absorbing chamber from bottom to top; a gas inlet is arranged at a position on a tower body of the absorbing tower, corresponding to the dimethylformamide spray absorbing chamber; and a gas discharging port is arranged on a position on the tower body of the absorbing tower, being above the water filter absorbing chamber.
Description
Technical field
The utility model relates to the synthetic leather production technical field, organic exhaust gas recycling and processing device during particularly a kind of synthetic leather is produced.
Background technology
Environmental protection at present and resource regeneration have become the important topic of industrial sustainable development, seem particularly important in chemical industry such as leather, this problem of leatherware production field.
As everyone knows, can produce the organic exhaust gas that contains DMF dimethyl formamide, toluene, butanone etc. in a large number in the synthetic leather production,, directly enter atmosphere, not only pollute the environment if these waste gas are not handled, but also the health of meeting harmful to human.Dimethyl formamide belongs to the lower toxicity solvent, and contact or suction for a long time can cause the hematopoietic function and the liver obstacle of human body; On the other hand, waste gas such as dimethyl formamide, toluene, butanone are again important chemical material very, and the market price is expensive.Therefore, directly discharge not only major polluting atmosphere environment and water environment, harm humans healthy of organic exhaust gas such as dimethyl formamide toluene, butanone, but also can cause the huge waste of social property, not enough energy-saving and environmental protection.
Chinese patent number is: ZL200510061856.0 discloses a kind of dry-method chemical leather dimethyl formamide effluent gases and adds receiving processing method; It is that mix waste gas is sent in the retracting device; With water is absorbent, after spray, the absorption of filler water and filler demist, discharges the recycle-water solution of the dimethyl formamide that contains in a large number, but this device can only reclaim the water-soluble dimethyl formamide of ability; Toluene is then water insoluble; Butanone is slightly soluble in water, and therefore this retracting device only can recycle dimethyl formamide, and wherein toluene, butanone still enter atmosphere as waste gas.
Summary of the invention
To the problems referred to above, the utility model propose a kind of synthetic leather produce in the organic exhaust gas recycling and processing device, this device can not only effectively reclaim the dimethyl formamide in the waste gas, can also effectively reclaim organic substances such as toluene in the waste gas, butanone.
For solving this technical problem; The utility model is taked following scheme: organic exhaust gas recycling and processing device during a kind of synthetic leather is produced; Comprise the absorption tower; Be divided into dimethyl formamide absorber portion and water absorber portion in the said absorption tower from the bottom to top successively, said dimethyl formamide absorber portion comprises dimethyl formamide spray absorption chamber and dimethyl formamide filler absorption chamber from the bottom to top, and said water absorber portion comprises water spray absorption chamber and water packing absorption chamber from the bottom to top; Be provided with air inlet with the corresponding position of dimethyl formamide spray absorption chamber on the body of the tower of said absorption tower, the top that is positioned at the water packing absorption chamber on the body of the tower of said absorption tower is provided with exhaust outlet.
Further: said dimethyl formamide spray absorption chamber bottom is provided with the dimethyl formamide storage tank; Said dimethyl formamide storage tank top is disposed with lower floor's spray chamber, upper strata spray chamber and bottom demister from the bottom to top; Said dimethyl formamide storage tank liquid outlet is connected in the inlet of drawing liquid pump, and the liquid outlet of said drawing liquid pump is connected to lower floor's spray chamber and upper strata spray chamber.
Further: be provided with refrigerating plant in the said dimethyl formamide storage tank.
Further: be disposed with dimethyl formamide gatherer, dimethyl formamide dry load and dimethyl formamide distributor from the bottom to top in the said dimethyl formamide filler absorption chamber; The liquid outlet of said dimethyl formamide gatherer is through the inlet of dimethyl formamide groove connection drawing liquid pump, and said drawing liquid pump liquid outlet links to each other with the inlet of dimethyl formamide distributor.
Further: said dimethyl formamide distributor top also is provided with demister.
Further: be disposed with spray chamber water collector, water spray thrower from the bottom to top in the said water spray absorption chamber; Said spray chamber water collector delivery port is connected with the suction pump water inlet through water tank, and the liquid outlet of said suction pump is connected with water spray thrower water inlet.
Further: said water packing absorption chamber is disposed with filler water collector, water dry load and water distributor from the bottom to top; Said filler water collector delivery port is connected with the suction pump water inlet through outer tank, and the liquid outlet of said suction pump is connected with the water inlet of water distributor.
Further: said water distributor top also is provided with the top layer demister.
Further: the water inlet on the body of the tower of said absorption tower connects an air blast, and the aspiration port of said air blast connects a filter.
Through adopting the aforementioned techniques scheme; The beneficial effect of the utility model is: the utility model has set gradually dimethyl formamide absorber portion and water absorber portion from the bottom to top in the body of the tower of absorption tower; Said dimethyl formamide absorber portion comprises dimethyl formamide spray absorption chamber and dimethyl formamide filler absorption chamber from the bottom to top; Said water absorber portion comprises water spray absorption chamber and water packing absorption chamber from the bottom to top, and one side is utilized the intersolubility between dimethyl formamide and toluene, butanone, with dimethyl formamide as solvent; Solve water to the problem that is difficult to dissolve between toluene, butanone, realized organic high efficiente callback utilization in the mix waste gas; Above the dimethyl formamide absorber portion, being provided with the water absorber portion on the other hand, utilizing the intersolubility of water and dimethyl formamide, is absorbent with water, and dimethyl formamide effluent gases is further dissolved absorption, and the waste gas rate of recovery is high, discharges pollution-free; Utilize the advantage separately of dimethyl formamide agent and water absorbent, waste gas recycling ability is strong.In addition; This novel dimethyl formamide absorber portion and water absorber portion all are provided with the spray absorption and filler absorbs; Filler absorbs the area that has increased the gas-liquid contact can evenly disperse and the complete contact lysis of waste gas absorbent; It is big and the little ideal effect of resistance combines the advantage that filler absorbs and spray absorbs to have reached flux, has increased the assimilation effect of gas-liquid contact greatly.
Description of drawings
Fig. 1 is the utility model example structure sketch map.
The specific embodiment
Combine accompanying drawing and specific embodiment that the utility model is further specified at present.
With reference to figure 1; Present embodiment discloses organic exhaust gas recycling and processing device in a kind of synthetic leather production; Comprise absorption tower 1, be divided into dimethyl formamide absorber portion and water absorber portion in the said absorption tower from the bottom to top successively, said dimethyl formamide absorber portion comprises dimethyl formamide spray absorption chamber 21 and dimethyl formamide filler absorption chamber 22 from the bottom to top; Said water absorber portion comprises water spray absorption chamber 31 and water packing absorption chamber 32 from the bottom to top; Be provided with air inlet 11 with dimethyl formamide spray absorption chamber 21 corresponding positions on the body of the tower of said absorption tower, said air inlet 11 connects an air blast 4, and the aspiration port of said air blast 4 connects a filter 5; The top that is positioned at water packing absorption chamber 32 on the body of the tower of said absorption tower is provided with exhaust outlet 12; Said mix waste gas and is input to and carries out the waste gas recycling in the body of the tower of absorption tower successively in the air inlet 11 of filter 5 and air blast 4 entering absorption tower bodies of the tower 1, and the innocuous gas after the processing is through exhaust outlet 12 outputs.
Said dimethyl formamide spray absorption chamber 21 bottoms are provided with dimethyl formamide storage tank 211; Said dimethyl formamide storage tank top is disposed with lower floor's spray chamber 213, upper strata spray chamber 214 and bottom demister 215 from the bottom to top; Said lower floor spray adopts reverse spray; Said upper strata spray adopts spray in the same way; Said dimethyl formamide storage tank 211 liquid outlets are connected in the inlet of drawing liquid pump 61, and the liquid outlet of said drawing liquid pump 61 is connected to lower floor's spray chamber 213 and upper strata spray chamber 214.Said drawing liquid pump constantly is evacuated to upper strata spray chamber and lower floor's spray chamber with the absorption liquid in the dimethyl formamide storage tank of body of the tower bottom; Constantly spray contact to this spray chamber; When the concentration of the absorption liquid toluene in the dimethyl formamide storage tank, butanone reaches weight ratio and is 25%; Absorption liquid effluxes reuse or recycling through accurate filter 8, and said accurate filter 8 adopts high technology ceramics filter or accurate stainless steel filter.
Be provided with refrigerating plant 212 in the said dimethyl formamide storage tank; The refrigerating coil of said refrigerating plant immerses in the absorption liquid in the dimethyl formamide storage tank 211, and the refrigerant of its refrigerating plant adopts ethylene glycol or chlorine refrigeration, and the absorption of solvent dimethylformamide is exothermic reaction; And the temperature of lyosoption is too high; Can cause the volatilization of dimethyl formamide, influence absorption efficiency, simultaneously the too high probability that also increases blast of temperature in the absorption tower; Produce potential safety hazard; In the dimethyl formamide storage tank, be provided with refrigerating plant the temperature of dimethyl formamide lyosoption is controlled in the desirable scope all the time, it is high to have the reclamation rate of absorption, the advantage of safety non-pollution.
Be disposed with dimethyl formamide gatherer 221, dimethyl formamide dry load 222 and dimethyl formamide distributor 223 from the bottom to top in the said dimethyl formamide filler absorption chamber 22; The liquid outlet of said dimethyl formamide gatherer 221 connects the inlet of drawing liquid pump 62 through dimethyl formamide groove 91; Said drawing liquid pump 62 liquid outlets link to each other with the inlet of dimethyl formamide distributor 223, and the dimethyl formamide absorption liquid constantly is being circulated under the effect of drawing liquid pump between dimethyl formamide groove 91, dimethyl formamide distributor 223, dimethyl formamide dry load 222 and the dimethyl formamide gatherer 221.Said dimethyl formamide distributor 223 is a tank type liquid distributor; When absorption liquid in the dimethyl formamide groove 91 is not enough, mend into the dimethyl formamide absorption liquid; The liquid outlet of said dimethyl formamide groove 91 also is connected with dimethyl formamide spray absorption chamber 21 interior upper strata spray chambers 214; Therefore when in dimethyl formamide groove 91, mending absorption liquid, this absorption liquid is also mended in the dimethyl formamide spray absorption chamber 21 of lower floor.
Said dimethyl formamide distributor 223 tops also are provided with demister 224, enter in the water spray absorption chamber 31 on upper strata to stop the dimethyl formamide droplet.
Be disposed with spray chamber water collector 311, water spray thrower 312 from the bottom to top in the said water spray absorption chamber 31; Said water spray thrower 312 is the nozzle-type spray equipment; Said spray chamber water collector 311 delivery ports are connected with suction pump 71 water inlets through water tank 92, and the liquid outlet of said suction pump 71 is connected with water spray thrower 312 water inlets.Said suction pump circulation constantly is evacuated to the water spray thrower with the water in the water tank 92, so that water is as the absorbent absorbing waste gas.
Said water packing absorption chamber 32 is disposed with filler water collector 321, water dry load 322 and water distributor 323 from the bottom to top; Said filler water collector 321 delivery ports are connected with suction pump 72 water inlets through outer tank 93, and the liquid outlet of said suction pump 72 is connected with the water inlet of water distributor 323.The water absorption liquid of said filler absorption chamber constantly is being circulated under the effect of suction pump between outer tank 93, water distributor 323 and the filler water collector 321.When water absorption liquid in the outer tank 93 is not enough, mend into demineralized water, said outer tank 93 also is connected with the water tank 92 of lower layer of water spray absorption chamber 31, so outer tank 93 also can mend demineralized water to water tank 92.
Said water distributor top also is provided with top layer demister 324, and waste gas sprays absorption chamber, dimethyl formamide filler absorption chamber, water spray absorption chamber 31 and the recycling of water packing absorption chamber after top layer demister 324 is discharged from the exhaust outlet at body of the tower top after removing droplet through dimethyl formamide.
The utility model has set gradually dimethyl formamide absorber portion and water absorber portion from the bottom to top in the body of the tower of absorption tower; Said dimethyl formamide absorber portion comprises dimethyl formamide spray absorption chamber and dimethyl formamide filler absorption chamber from the bottom to top; Said water absorber portion comprises water spray absorption chamber and water packing absorption chamber from the bottom to top; Utilize the intersolubility between dimethyl formamide and toluene, butanone on the one hand; As solvent, solved water with dimethyl formamide, realized organic high efficiente callback utilization in the mix waste gas the problem that is difficult to dissolve between toluene, butanone; Above the dimethyl formamide absorber portion, being provided with the water absorber portion on the other hand, utilizing the intersolubility of water and dimethyl formamide, is absorbent with water, and dimethyl formamide effluent gases is further dissolved absorption, and the waste gas rate of recovery is high, discharges pollution-free; Utilize the advantage separately of dimethyl formamide agent and water absorbent, waste gas recycling ability is strong.In addition; This novel dimethyl formamide absorber portion and water absorber portion all are provided with the spray absorption and filler absorbs; Filler absorbs the area that has increased the gas-liquid contact can evenly disperse and the complete contact lysis of waste gas absorbent; It is big and the little ideal effect of resistance combines the advantage that filler absorbs and spray absorbs to have reached flux, has increased the assimilation effect of gas-liquid contact greatly.
The above record is merely the embodiment that utilizes this origination techniques content, anyly is familiar with modification, the variation that this creation of this art utilization is done, and all belongs to the claim of this creation opinion, and is not limited to embodiment announcement person.
Claims (9)
1. organic exhaust gas recycling and processing device during a synthetic leather is produced; Comprise the absorption tower; It is characterized in that: be divided into dimethyl formamide absorber portion and water absorber portion in the said absorption tower from the bottom to top successively; Said dimethyl formamide absorber portion comprises dimethyl formamide spray absorption chamber and dimethyl formamide filler absorption chamber from the bottom to top; Said water absorber portion comprises water spray absorption chamber and water packing absorption chamber from the bottom to top, is provided with air inlet with the corresponding position of dimethyl formamide spray absorption chamber on the body of the tower of said absorption tower, and the top that is positioned at the water packing absorption chamber on the body of the tower of said absorption tower is provided with exhaust outlet.
2. organic exhaust gas recycling and processing device during synthetic leather according to claim 1 is produced; It is characterized in that: said dimethyl formamide spray absorption chamber bottom is provided with the dimethyl formamide storage tank; Said dimethyl formamide storage tank top is disposed with lower floor's spray chamber, upper strata spray chamber and bottom demister from the bottom to top; Said dimethyl formamide storage tank liquid outlet is connected in the inlet of drawing liquid pump, and the liquid outlet of said drawing liquid pump is connected to lower floor's spray chamber and upper strata spray chamber.
3. organic exhaust gas recycling and processing device during synthetic leather according to claim 2 is produced is characterized in that: be provided with refrigerating plant in the said dimethyl formamide storage tank.
4. organic exhaust gas recycling and processing device during synthetic leather according to claim 1 is produced; It is characterized in that: be disposed with dimethyl formamide gatherer, dimethyl formamide dry load and dimethyl formamide distributor from the bottom to top in the said dimethyl formamide filler absorption chamber; The liquid outlet of said dimethyl formamide gatherer is through the inlet of dimethyl formamide groove connection drawing liquid pump, and said drawing liquid pump liquid outlet links to each other with the inlet of dimethyl formamide distributor.
5. organic exhaust gas recycling and processing device during synthetic leather according to claim 4 is produced is characterized in that: said dimethyl formamide distributor top also is provided with demister.
6. organic exhaust gas recycling and processing device during synthetic leather according to claim 1 is produced; It is characterized in that: be disposed with spray chamber water collector, water spray thrower from the bottom to top in the said water spray absorption chamber; Said spray chamber water collector delivery port is connected with the suction pump water inlet through water tank, and the liquid outlet of said suction pump is connected with water spray thrower water inlet.
7. organic exhaust gas recycling and processing device during synthetic leather according to claim 1 is produced; It is characterized in that: said water packing absorption chamber is disposed with filler water collector, water dry load and water distributor from the bottom to top; Said filler water collector delivery port is connected with the suction pump water inlet through outer tank, and the liquid outlet of said suction pump is connected with the water inlet of water distributor.
8. organic exhaust gas recycling and processing device during synthetic leather according to claim 7 is produced is characterized in that: said water distributor top also is provided with the top layer demister.
9. organic exhaust gas recycling and processing device during synthetic leather according to claim 1 is produced, it is characterized in that: the water inlet on the body of the tower of said absorption tower connects an air blast, and the aspiration port of said air blast connects a filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202127780U CN202224028U (en) | 2011-06-22 | 2011-06-22 | Organic waste gas recovering and processing device in synthetic leather production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202127780U CN202224028U (en) | 2011-06-22 | 2011-06-22 | Organic waste gas recovering and processing device in synthetic leather production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202224028U true CN202224028U (en) | 2012-05-23 |
Family
ID=46074638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202127780U Expired - Fee Related CN202224028U (en) | 2011-06-22 | 2011-06-22 | Organic waste gas recovering and processing device in synthetic leather production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202224028U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032179A (en) * | 2015-07-06 | 2015-11-11 | 浙江浙大环境工程有限公司 | Apparatus and process for treating synthetic leather exhaust gas |
| CN107569977A (en) * | 2017-09-27 | 2018-01-12 | 株洲火炬工业炉有限责任公司 | A kind of steel drum application fume afterheat and solvent recovery unit |
| US10370398B2 (en) | 2016-06-23 | 2019-08-06 | Tate & Lyle Technology Limited | Liquid-liquid extraction of DMF |
-
2011
- 2011-06-22 CN CN2011202127780U patent/CN202224028U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032179A (en) * | 2015-07-06 | 2015-11-11 | 浙江浙大环境工程有限公司 | Apparatus and process for treating synthetic leather exhaust gas |
| US10370398B2 (en) | 2016-06-23 | 2019-08-06 | Tate & Lyle Technology Limited | Liquid-liquid extraction of DMF |
| US10899783B2 (en) | 2016-06-23 | 2021-01-26 | Tate & Lyle Technology Limited | Liquid-liquid extraction of DMF |
| CN107569977A (en) * | 2017-09-27 | 2018-01-12 | 株洲火炬工业炉有限责任公司 | A kind of steel drum application fume afterheat and solvent recovery unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100490943C (en) | Apparatus for processing waste air including oxynitride | |
| CN101700451A (en) | Method and device for recovering mixed waste gas in synthetic leather production | |
| CN105664691A (en) | Acid waste gas recycling and purification device | |
| CN202224028U (en) | Organic waste gas recovering and processing device in synthetic leather production | |
| CN103446853A (en) | Exhaust gas recovery device and exhaust gas recovery system for processing copper-clad plate | |
| CN107441886A (en) | A kind of water-gas combined processing system of organic exhaust gas spray-absorption | |
| CN103920359B (en) | A kind of trademark belt coating solvent recovery unit and recovery method | |
| CN202893189U (en) | Rare earth, tungsten and molybdenum extraction waste gas treatment device | |
| CN101830483A (en) | Production method for synthesizing ammonium bicarbonate fertilizer by using CO2 waste gas | |
| CN201783426U (en) | Water soluble paint mist recovering circulating device | |
| CN103446851A (en) | Recovery and purification device and method for phosphoric acid from tail gases generated in chemical method activated carbon production process | |
| CN103182232B (en) | The processing method of micro-dust in a kind of calcium carbide stove exhaust | |
| CN206027386U (en) | Spray -absorption device | |
| CN110090529A (en) | A kind of waste lithium cell dismantling exhaust-gas treatment spray-absorption system and the method using it | |
| CN102489121A (en) | Method for treating waste gas in production of naphthalene based superplasticizer and special equipment utilizing same | |
| CN209113628U (en) | A kind of high-enriched organics polluted underground water pump-and-treat system system | |
| CN204170604U (en) | For the vertical counterflow filled-type scrubbing tower of industrial waste gas process | |
| CN206198950U (en) | A kind of device for spraying the absorption of waste gas deep cooling and byproduct comprehensive utilization | |
| CN203507780U (en) | Exhaust gas recovery device and exhaust gas recovery system for processing copper-clad plate | |
| CN204121954U (en) | Tasteless reclaimed rubber desulfidation tail gas treatment system | |
| CN206315641U (en) | A kind of spray column | |
| CN102836628A (en) | Glass reinforced plastic acid mist treating system and method thereof for recovering waste gas | |
| CN207566927U (en) | A kind of device for treating high-concentration ammonia | |
| CN105344208A (en) | Urea synthetic gas absorption recirculation apparatus and recirculation method thereof | |
| CN201543356U (en) | Mixed exhaust gas recovering processing equipment in production of synthetic leather |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20140622 |
|
| EXPY | Termination of patent right or utility model |