CN201404758Y - Complete toluene organic exhaust gas recovery equipment - Google Patents
Complete toluene organic exhaust gas recovery equipment Download PDFInfo
- Publication number
- CN201404758Y CN201404758Y CN2009201384253U CN200920138425U CN201404758Y CN 201404758 Y CN201404758 Y CN 201404758Y CN 2009201384253 U CN2009201384253 U CN 2009201384253U CN 200920138425 U CN200920138425 U CN 200920138425U CN 201404758 Y CN201404758 Y CN 201404758Y
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Abstract
The utility model discloses complete toluene organic exhaust gas recovery equipment, which comprises a filtering cooler, a high-pressure fan, absorbers, a condenser, a settling tank, a solvent groove,an electrical control system and a compressed air system; a toluene organic exhaust gas input port is formed at the input end of the filtering cooler; the filtering cooler, the high-pressure fan andthe absorbers are connected in sequence; a purified gas exhaust port and a steam input port are formed on each absorber respectively; the absorbers are also connected with the condenser, the settlingtank and the solvent groove in sequence; the amount of absorbers are two or more than two; and the adsorption and desorption processes of various absorbers are alternately performed under the controlof the electrical control system and the compressed air system. The toluene organic exhaust gas with a certain density can generate the hazard of explosion; generation points can be reduced as far aspossible through reducing the processing sequences; the settling tank behind the cooler is cancelled; the recovery equipment is provided with a plurality of absorbers and the compressed air system isarranged and matched through the procedures of the electrical control system, so that the adsorption and desorption processes of various absorbers are alternately performed; the adsorption efficiencyof the absorbers is improved; and the decline of the adsorption efficiency generated through cancelling the settling tank is compensated.
Description
Technical field
The utility model relates to a kind of environmental protection equipment, specifically is a kind of toluene class organic exhaust gas recovery apparatus set.
Background technology
In industries such as chemical industry, weaving, footwear industry, printing, dyestuff, coating, adhesive, cleaning, the quantity of using toluene class organic solvent is big, scope is wide.Give out from produce that to contain toluene type organic waste gas very serious to the harm of environment and health, the gas that contains this type of waste gas as long-term suction can cause alpastic anemia, and finally causes leukaemia.Therefore, the existing toluene class organic exhaust gas method of administering is improved and optimized, the harmful exhaust that gives out in the production process is carried out effective collection, processing, purification, the toluene of recovery is reused, environmental protection and economic benefit all are of great significance.
Absorption method is adopted in the recovery of toluene class organic exhaust gas usually, utilizes steam to carry out desorption to adsorbed organic matter, and condensation is reclaimed then.The capital equipment that reclaims has filter, cooler, air-introduced machine, absorber, condenser, subsider, flux bath etc.When higher,, set up a subsider usually in the cooler back at the organic exhaust gas inlet concentration, the organic matter of partial condensation is reclaimed in advance in order to improve the adsorption efficiency of absorber.
Existing this toluene class organic exhaust gas reclaimer, it is comparatively various to reclaim link, causes the dangerous matter sources origination point more, has bigger potential safety hazard.
The utility model content
The purpose of this utility model provides that a kind of recovery link is comparatively simple, and the dangerous matter sources origination point is less, and safer toluene class organic exhaust gas is recycled into complete equipment.
The technical solution of the utility model is such: toluene class organic exhaust gas is recycled into complete equipment, comprises filtering cooler, high pressure positive blower, absorber, condenser, subsider, flux bath, electric control system and compressed air system; Above-mentioned filtration cooler is provided with the input port of toluene class organic exhaust gas, the output of above-mentioned filtration cooler connects the input of above-mentioned high pressure positive blower, the output of above-mentioned high pressure positive blower connects the absorption input of above-mentioned absorber, and the absorption output of above-mentioned absorber is provided with the purified gas floss hole; The desorption input of above-mentioned absorber is provided with the water vapour input port, and the desorption output of above-mentioned absorber connects the input of above-mentioned condenser, and the output of above-mentioned condenser connects the input of above-mentioned subsider, and the output of above-mentioned subsider connects above-mentioned flux bath; Above-mentioned absorber is provided with two or more, above-mentioned each absorber hocket under the control of above-mentioned electric control system and above-mentioned compressed air system absorption, desorption process.
Above-mentioned electric control system adopts the PLC automatic control system.
Above-mentioned PLC automatic control system is provided with the touch-screen type man-machine interface.
After adopting such scheme, the danger that the utility model can be blasted under finite concentration at toluene class organic exhaust gas, reduce the number of technology, reduce origination point as far as possible, cancelled the subsider behind the cooler, by a plurality of absorbers of equipment, and the program by electric control system is provided with and cooperates compressed air system to make each absorber hocket absorption, desorption process, thereby improve the adsorption efficiency of absorber, remedy the adsorption efficiency decline that the cancellation subsider brings thus.And, effectively batch preface loop control is set, the standby cooling procedure of adsorbent behind the traditional handicraft desorption has been avoided in the operation of can automaticallying switch of the absorption between each absorber-saturated-desorption, the continuity of assurance technology, and improved operating efficiency.The utility model adopts PLC automatic control system and touch-screen type man-machine interface, guarantees the technological parameter precise control, and production operation is stable, reduces labor intensity.The utility model is integrated and optimal design complexes on the conventional solution basis, makes equipment performance reliable and stable, and maintaining is easy, compact and reasonable arrangement, and floor space is less.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
Fig. 2 is the control principle figure of absorber in the utility model.
Fig. 3 is the job order schematic diagram of three absorbers in the utility model.
The specific embodiment
Toluene class organic exhaust gas of the present utility model is recycled into complete equipment, as shown in Figure 1, comprise the compressed air system of filtering cooler 1, high pressure positive blower 2, absorber 3, condenser 4, subsider 5, flux bath 6, Sewage Disposal 7, PLC automatic control system, this PLC automatic control system is provided with the touch-screen type man-machine interface; The input that filters cooler 1 is provided with toluene class organic exhaust gas input port 11, the output that filters cooler 1 connects the input of high pressure positive blower 2, the output of high pressure positive blower 2 connects the absorption input of absorber 3, and the absorption output of absorber 3 is provided with purified gas floss hole 31; The desorption input of absorber 3 is provided with water vapour input port 32, and the desorption output of absorber 3 connects the input of condenser 4, and the output of condenser 4 connects the input of subsider 5, and the output of subsider 5 connects flux bath 6 and Sewage Disposal 7 respectively.
Shown in Fig. 2,3, absorber 3 is provided with three, be respectively absorber 3A, absorber 3B and absorber 3C, absorber 3A, absorber 3B, absorber 3C are respectively equipped with four valves, be respectively inlet gas cylinder valve 3A1,3B1,3C1, work off one's feeling vent one's spleen cylinder valve 3A2,3B2,3C2, steam inlet valve 3A3,3B3,3C3, mixture export valve 3A4,3B4,3C4 behind the desorption.The inlet gas cylinder valve 3A1 and the cylinder valve 3A2 that works off one's feeling vent one's spleen are by magnetic valve 3A5 control, and mixture export valve 3A4 is controlled by magnetic valve 3A6 behind steam inlet valve 3A3 and the desorption; The inlet gas cylinder valve 3B1 and the cylinder valve 3B2 that works off one's feeling vent one's spleen are by magnetic valve 3B5 control, and mixture export valve 3B4 is controlled by magnetic valve 3B6 behind steam inlet valve 3B3 and the desorption; The inlet gas cylinder valve 3C1 and the cylinder valve 3C2 that works off one's feeling vent one's spleen are by magnetic valve 3C5 control, and mixture export valve 3C4 is controlled by magnetic valve 3C6 behind steam inlet valve 3C3 and the desorption.During work, after the PLC automatic control system provides signal, magnetic valve 3A5,3B5 and 3C5 react, by compressed air inlet gas cylinder valve 3A1,3B1,3C1 and work off one's feeling vent one's spleen cylinder valve 3A2,3B2,3C2 are all opened, mixture export valve 3A4,3B4,3C4 are in closed condition behind steam inlet valve 3A3,3B3,3C3 and the desorption, and absorber 3A, absorber 3B and absorber 3C all enter adsorption process.After absorption a period of time, the PLC automatic control system provides signal, magnetic valve 3B5,3B6 make a response, import and export operated pneumatic valve 3B1,3B2 are closed, liquid outlet valve 3B4 behind steam inlet valve 3B3 and the desorption is opened, absorber 3B enters desorption process, and desorption is mixed liquor outflow bottom absorber 3B after a period of time.Absorber 3B desorption is after a period of time, the PLC automatic control system provides signal, magnetic valve 3B5,3B6 make a response, import and export operated pneumatic valve 3B1, the 3B2 of absorber 3B all open, mixed flow outlet valve 3B5 closes behind steam inlet valve 3B4 and the desorption, and absorber 3B enters adsorption process once more; Simultaneously, magnetic valve 3A5,3A6 make a response, and import and export operated pneumatic valve 3A1,3A2 close, and mixture export valve 3A4 opens behind steam inlet operated pneumatic valve 3A3 and the desorption, and absorber 3A enters desorption process; At this moment, absorber 3B, 3C are in adsorption process.So go round and begin again, absorber 3A, absorber 3B and absorber 3C under the control of PLC automatic control system (cooperation compressed air system) according to time sequencing hocket absorption, desorption process, each time period all have two absorbers in absorption, an absorber is at desorption, thereby improve the adsorption efficiency of absorber 3, remedy the adsorption efficiency decline that subsider of cancellation brings thus.And, by the PLC automatic control system effectively batch preface loop control is set, the standby cooling procedure of adsorbent behind the traditional handicraft desorption has been avoided in the operation of can automaticallying switch of the absorption between each absorber-saturated-desorption, guarantee the continuity of technology, and improved operating efficiency.
During work, discharge the toluene class organic exhaust gas of high temperature from coating machine, gluing machine, pasting machine, mixer, evaporimeter, drying oven or other equipment, feed in the filtration cooler 1 by toluene class organic exhaust gas input port 11, filter dust and other solid matters in the gas by filtering cooler 1, and waste gas is cooled to normal temperature, by high pressure positive blower 2 waste gas is sent into absorber 3 then and carry out gas absorption.The peace and quiet gas that the toluene type organic is removed in absorption carries out qualified discharge by purified gas floss hole 31.On the other hand, water vapour input port 32 toward absorber 3 feeds water vapour, absorber 3 enters desorption process, toluene type organic that desorption obtains and water vapour together enter condenser 4 and are condensed into liquid, send subsider 5 to make toluene type organic and water stratification then, the overflow of upper toluene type organic is recycled to flux bath 6, and lower floor's waste water is discharged into Sewage Disposal 7 and handles.
In the utility model, require the adsorbent of absorber that certain mechanical strength is arranged, good selectivity and higher adsorption capacity will be arranged needing adsorbed components.Adsorbent adopts particle or fibrous activated carbon, and dynamic performance is good, and absorption, desorption rate are fast, and desorption is resolved fully, and the decay of regeneration adsorption rate is slow, long service life.
The regeneration of adsorbent, the adsorption capacity of adsorbent when adsorbent reaches capacity or needs desorption and regeneration when saturated, change adsorption operations over to usually between 1%～40% (mass fraction) then again.Desorption process for regenerating commonly used has desorption by heating, step-down desorption, displacement desorption, purges desorption and chemical conversion method of reproduction.The utility model employing rising adsorbent temperature under constant voltage makes the desorption by heating method of adsorbent desorption and regeneration, adopts direct superheated vapour heating, effectively guarantees the security of desorption manipulation.
Application example
Toluene class organic exhaust gas recovery apparatus set of the present utility model successfully was applied to Quanzhou and joins beneficial textile printing and dyeing Co., Ltd umbrella cloth coating organic exhaust gas and administer engineering in 2004.The device operation is more than 2 years, and is stable, effective, when demonstrating fully economic benefit, satisfies the common promotion of environment, social benefit.
Joining the toluene class organic exhaust gas recovery apparatus set that beneficial textile printing and dyeing Co., Ltd adopts our company to provide with the Quanzhou City is example, and then its each economic target sees the following form.
Toluene reclaims benefit
Shenzhen prosperous large weaving Co., Ltd uses toluene class organic exhaust gas recovery apparatus set of the present utility model in investment in 2005, and investment in 3 months is promptly reclaimed, and operation is more than 1 year, remarkable benefit.General every coating production line recovered solvent of printing and dyeing enterprise can obtain more than 200～300 ten thousand yuan of incomes every year more.
Claims (3)
1, toluene class organic exhaust gas is recycled into complete equipment, comprises filtering cooler, high pressure positive blower, absorber, condenser, subsider, flux bath, electric control system and compressed air system; It is characterized in that: above-mentioned filtration cooler is provided with the input port of toluene class organic exhaust gas, the output of above-mentioned filtration cooler connects the input of above-mentioned high pressure positive blower, the output of above-mentioned high pressure positive blower connects the absorption input of above-mentioned absorber, and the absorption output of above-mentioned absorber is provided with the purified gas floss hole; The desorption input of above-mentioned absorber is provided with the water vapour input port, and the desorption output of above-mentioned absorber connects the input of above-mentioned condenser, and the output of above-mentioned condenser connects the input of above-mentioned subsider, and the output of above-mentioned subsider connects above-mentioned flux bath; Above-mentioned absorber is provided with two or more, above-mentioned each absorber hocket under the control of above-mentioned electric control system and above-mentioned compressed air system absorption, desorption process.
2, toluene class organic exhaust gas according to claim 1 is recycled into complete equipment, it is characterized in that: above-mentioned electric control system adopts the PLC automatic control system.
3, toluene class organic exhaust gas according to claim 2 is recycled into complete equipment, it is characterized in that: above-mentioned PLC automatic control system is provided with the touch-screen type man-machine interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201384253U CN201404758Y (en) | 2009-05-16 | 2009-05-16 | Complete toluene organic exhaust gas recovery equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201384253U CN201404758Y (en) | 2009-05-16 | 2009-05-16 | Complete toluene organic exhaust gas recovery equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201404758Y true CN201404758Y (en) | 2010-02-17 |
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ID=41675677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201384253U Expired - Lifetime CN201404758Y (en) | 2009-05-16 | 2009-05-16 | Complete toluene organic exhaust gas recovery equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN201404758Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223287A (en) * | 2013-04-27 | 2013-07-31 | 山东新华制药股份有限公司 | Purifying and recovering device of exhaust gas comprising toluene, and exhaust gas purifying and recovering method |
| CN105617810A (en) * | 2016-03-18 | 2016-06-01 | 天伟化工有限公司 | Closed-cycle recycling method for solvent in PVC foaming board production |
-
2009
- 2009-05-16 CN CN2009201384253U patent/CN201404758Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223287A (en) * | 2013-04-27 | 2013-07-31 | 山东新华制药股份有限公司 | Purifying and recovering device of exhaust gas comprising toluene, and exhaust gas purifying and recovering method |
| CN103223287B (en) * | 2013-04-27 | 2015-05-06 | 山东新华制药股份有限公司 | Purifying and recovering device of exhaust gas comprising toluene, and exhaust gas purifying and recovering method |
| CN105617810A (en) * | 2016-03-18 | 2016-06-01 | 天伟化工有限公司 | Closed-cycle recycling method for solvent in PVC foaming board production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GAOKE ENVIRONMENTAL ENGINEERING GROUP CO., LTD. Free format text: FORMER OWNER: FUJIAN HI-TECH. ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE CO., LTD. Effective date: 20141030 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141030 Address after: Fengze District of Quanzhou City, Fujian province 362000 Huai Street East beauty garden 16 Building 2 building 202 room Patentee after: Hi Tech Environmental Protection Engineering Group Co Ltd Address before: Fengze District of Quanzhou City, Fujian province 362000 Huai Street East beauty garden 16 Building 2 floor Patentee before: Fujian Gaoke Environmental Protection Research Institute Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100217 |
|
| CX01 | Expiry of patent term |