CN102658001B - Tail gas buffer and absorption device - Google Patents
Tail gas buffer and absorption device Download PDFInfo
- Publication number
- CN102658001B CN102658001B CN201210145293.3A CN201210145293A CN102658001B CN 102658001 B CN102658001 B CN 102658001B CN 201210145293 A CN201210145293 A CN 201210145293A CN 102658001 B CN102658001 B CN 102658001B
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- tank
- tail gas
- treatment tower
- movable
- standing
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Abstract
The invention discloses a tail gas buffer and absorption device, which comprises a first-stage treatment tower, a second-stage treatment tower and an induced draught fan, wherein the induced draught fan, the first-stage treatment tower and the second-stage treatment tower are connected through a connecting pipe in sequence. The tail gas buffer and absorption device is characterized in that: a buffer tank is connected in series between the induced draught fan and the first-stage treatment tower and consists of a topless fixed tank and a bottomless movable tank; the fixed tank is filled with water; a gas inlet is formed on a side face of the fixed tank; a gas outlet is formed on the side face of the movable tank; the caliber size of the gas inlet is greater than that of the gas outlet; a plurality of portal supporting frames are arranged on the circumference of the fixed tank and consist of horizontal suspension beams and supporting frames which are arranged at the two ends of the horizontal suspension beams and are fixedly connected with the fixed tank; a pulley is arranged below the end parts of the horizontal suspension beams; and the top of the movable tank is connected with a balance block through a rope which passes by the pulley. Tail gas enters the treatment tower through the buffer tank during treatment; and since the caliber size of the gas inlet of the buffer tank is greater than that of the gas outlet, the tail gas is slowly provided to the treatment tower to be absorbed at a uniform speed, and high-efficiency absorption of the tail gas is guaranteed.
Description
Technical field
The present invention relates to a kind of tail gas snubber device, the especially a kind of tail gas snubber device that can at the uniform velocity process tail gas.
Background technology
In Chemical Manufacture, the generation of tail gas is inevitable, and the tail gas of generation is owing to polluting the environment, therefore do not allow and be directly discharged in atmosphere, often tail gas is passed in treating column, utilize comprehensive agent to processing such as the pernicious gas in tail gas adsorb, tail gas after treatment is discharged in atmosphere again.In the production process of nitromethane, the amount that tail gas produces is extremely unstable, device is when running to about 15 minutes, the generation of tail gas reaches peak value, but the disposal ability of whole vent gas treatment tower is only the mean value of tail gas amount in whole tail gas production process, the tail gas that exceeds mean value that in the time of for this reason about 15 minutes, whole device produces can have little time to process, and can be directly discharged in atmosphere contaminated environment.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of tail gas snubber device, can at the uniform velocity supply with tail gas for treating column absorption, thereby realizes the efficient absorption of tail gas.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of tail gas snubber device, comprise coagulation tower, two stage treatment tower and air-introduced machine, described air-introduced machine, between coagulation tower and two stage treatment tower, by tube connector, connect successively, its innovative point is: between described air-introduced machine and coagulation tower, be serially connected with surge tank, described surge tank is comprised of the standing tank without top and bottomless movable tank, described movable tank external diameter is slightly less than standing tank internal diameter and is placed on standing tank, in standing tank, fill water, air inlet is arranged on its side, described gas outlet is arranged on movable tank side, air inlet caliber is greater than gas outlet caliber, on described standing tank circumference, be provided with some shape bracing frames, described door shape bracing frame consists of with the bracing frame being fixedly connected with standing tank that its two ends arrange level overarm, below, described level overarm end is provided with pulley, and movable tank top is connected with balance weight by the rope of walking around pulley.
Further, be welded with some vertically disposed guide rails on described standing tank circumference, on described movable tank circumference, some rollers be installed, described roller circumference middle part is with groove structure, and described rail sections is placed in groove structure.
The invention has the advantages that: in vent gas treatment process, through surge tank, enter again treating column, because the air inlet caliber of surge tank is greater than gas outlet caliber, thereby guarantee that the slow treating column that offers at the uniform velocity of tail gas absorbs, and ensures the efficient absorption of tail gas.
For the precision of the relative standing tank relative motion of Support activity tank, guiding mechanism is set, while making movable tank motion, can make roller prop up guide rail relative motion.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the structural representation of a kind of tail gas snubber of the present invention device.
Fig. 2 is the surge tank structural representation of a kind of tail gas snubber of the present invention device.
The specific embodiment
A kind of tail gas snubber device shown in Fig. 1, along vent gas treatment direction, be followed successively by air-introduced machine 1, surge tank 2, coagulation tower 3 and two stage treatment tower 4, for guaranteeing the pending tail gas being temporarily stored in surge tank 2, at the uniform velocity supply with treating column, surge tank air inlet 5 calibers are greater than gas outlet 6 calibers, and guarantee tail gas is at the uniform velocity supplied with treating column and absorbed.
As shown in Figure 2, surge tank 2 is comprised of the standing tank 7 without top and bottomless movable tank 8, movable tank 8 external diameters are slightly less than standing tank 7 internal diameters and are placed on standing tank 7, in standing tank 7, fill water, thereby realize standing tank 7 and movable tank 8 water seals, its side is provided with air inlet 5, and movable tank 8 sides are provided with gas outlet 6.
On standing tank 7 circumference, be provided with some shape bracing frames, the bracing frame being fixedly connected with standing tank 9 that described door shape bracing frame is arranged with its two ends by level overarm 10 forms, the outstanding 10 beam end belows of described level are provided with pulley 11, and movable tank 8 tops are connected with balance weight 13 by the rope 12 of walking around pulley 11.
Reliability during for the relative standing tank motion of Support activity tank, on standing tank 7 circumference, be welded with some vertically disposed guide rails 14, some rollers 15 are installed on movable tank 8 circumference, and roller 15 circumference middle parts are with groove structure, and roller 15 props up guide rail 14 and can be movable relatively.
During work, tail gas enters into surge tank 2 through air-introduced machine 1, the tail producing when device is when large-minded, tail gas enters into surge tank and can cause the volume of movable tank 8 to strengthen, the relative standing tank 7 of movable tank 8 is moved upward, the piece 13 of disequilibrating original with movable tank 8 between the balance of maintenance, make in the temporary surge tank of unnecessary tail gas.When the tail gas amount of device generation reduces, in movable tank 8, the volume of tail gas reduces, and the relative standing tank 7 of movable tank 8 moves downward until reach again poised state with balance weight 13.
Claims (2)
1. a tail gas snubber device, comprise coagulation tower, two stage treatment tower and air-introduced machine, described air-introduced machine, between coagulation tower and two stage treatment tower, by tube connector, connect successively, it is characterized in that: between described air-introduced machine and coagulation tower, be serially connected with surge tank, described surge tank is comprised of the standing tank without top and bottomless movable tank, described movable tank external diameter is slightly less than standing tank internal diameter and is placed on standing tank, in standing tank, fill water, air inlet is arranged on its side, described gas outlet is arranged on movable tank side, air inlet caliber is greater than gas outlet caliber, on described standing tank circumference, be provided with some shape bracing frames, described door shape bracing frame consists of with the bracing frame being fixedly connected with standing tank that its two ends arrange level overarm, below, described level overarm end is provided with pulley, and movable tank top is connected with balance weight by the rope of walking around pulley.
2. a kind of tail gas snubber device according to claim 1, it is characterized in that: on described standing tank circumference, be welded with some vertically disposed guide rails, on described movable tank circumference, some rollers are installed, described roller circumference middle part is with groove structure, and described rail sections is placed in groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210145293.3A CN102658001B (en) | 2012-05-11 | 2012-05-11 | Tail gas buffer and absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210145293.3A CN102658001B (en) | 2012-05-11 | 2012-05-11 | Tail gas buffer and absorption device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102658001A CN102658001A (en) | 2012-09-12 |
| CN102658001B true CN102658001B (en) | 2014-05-07 |
Family
ID=46767658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210145293.3A Expired - Fee Related CN102658001B (en) | 2012-05-11 | 2012-05-11 | Tail gas buffer and absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102658001B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0716874A2 (en) * | 1994-12-13 | 1996-06-19 | The BOC Group plc | Solvent recovery |
| CN201519544U (en) * | 2009-07-14 | 2010-07-07 | 东营万通橡胶助剂有限公司 | Recycling device for waste gas generated by producing rubber additive |
| CN201692762U (en) * | 2010-03-27 | 2011-01-05 | 湖北绿色家园化工有限责任公司 | Absorption and treatment device for tail gas tower in production of benzyl benzoate |
| CN202569914U (en) * | 2012-05-11 | 2012-12-05 | 如皋市四友合成化工有限公司 | Exhaust buffering absorbing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5717382B2 (en) * | 2010-09-01 | 2015-05-13 | 三菱日立パワーシステムズ株式会社 | Smoke exhaust treatment device and smoke exhaust treatment method |
-
2012
- 2012-05-11 CN CN201210145293.3A patent/CN102658001B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0716874A2 (en) * | 1994-12-13 | 1996-06-19 | The BOC Group plc | Solvent recovery |
| CN201519544U (en) * | 2009-07-14 | 2010-07-07 | 东营万通橡胶助剂有限公司 | Recycling device for waste gas generated by producing rubber additive |
| CN201692762U (en) * | 2010-03-27 | 2011-01-05 | 湖北绿色家园化工有限责任公司 | Absorption and treatment device for tail gas tower in production of benzyl benzoate |
| CN202569914U (en) * | 2012-05-11 | 2012-12-05 | 如皋市四友合成化工有限公司 | Exhaust buffering absorbing device |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2012-50931A 2012.03.15 |
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| Publication number | Publication date |
|---|---|
| CN102658001A (en) | 2012-09-12 |
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Granted publication date: 20140507 Termination date: 20150511 |
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