CN212548892U - Cyclohexane tail gas adsorption recovery device of rubber device - Google Patents
Cyclohexane tail gas adsorption recovery device of rubber device Download PDFInfo
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- CN212548892U CN212548892U CN202021009498.5U CN202021009498U CN212548892U CN 212548892 U CN212548892 U CN 212548892U CN 202021009498 U CN202021009498 U CN 202021009498U CN 212548892 U CN212548892 U CN 212548892U
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Abstract
The utility model relates to an environmental protection equipment technical field specifically is a rubber device cyclohexane tail gas adsorbs recovery unit, including two or more adsorbers, the adsorber is connected waste gas respectively and is advanced pipe, discharge line, and waste gas advances to be provided with the admission valve on managing, is provided with discharge valve on the discharge line, and the adsorber is connected with saturated steam and advances pipe, desorption pipeline, and saturated steam advances to be provided with the saturated steam intake valve on managing, is provided with the desorption valve on the desorption pipeline, waste gas advances to be provided with imported combustible gas detector on managing, is provided with export combustible gas detector on the discharge line, and import combustible gas detector, export combustible gas detector, admission valve, discharge valve, saturated steam advance valve and desorption valve are respectively through electric signal connection controlling means. The utility model discloses a two or more adsorbers to the adsorber carries out adsorption work in turn, makes adsorption work go on in succession, and the work efficiency of above-mentioned structure is high, and automatic control, and control is accurate high-efficient.
Description
Technical Field
The utility model relates to an environmental protection equipment technical field specifically is a rubber device cyclohexane tail gas adsorbs recovery unit.
Background
Cyclohexane waste gas is generated in the production of the rubber device, and the recycling of cyclohexane can improve the yield. In the prior art, the recovery device usually adopts activated carbon or activated carbon fiber for adsorption. The existing recovery device has the defects of low adsorption capacity and poor continuity, and the adsorption tower needs to work after being subjected to desorption treatment after being subjected to adsorption saturation, so that the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a rubber device cyclohexane tail gas adsorbs recovery unit.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a rubber device cyclohexane tail gas adsorbs recovery unit, includes two or more adsorbers, and the adsorber is connected waste gas respectively and is advanced pipe, discharge pipe, and waste gas advances to be provided with the admission valve on managing, is provided with discharge valve on the discharge pipe, and the adsorber is connected with saturated steam and advances pipe, desorption pipeline, and saturated steam advances to be provided with saturated steam on managing and advances the valve, is provided with the desorption valve on the desorption pipeline, waste gas advances to be provided with imported combustible gas detector on managing, is provided with export combustible gas detector on the discharge pipe, and import combustible gas detector, export combustible gas detector, admission valve, discharge valve, saturated steam advance the valve and the desorption valve are respectively through electric signal connection controlling means.
The control device judges whether the adsorber is saturated according to the concentration difference detected by the inlet combustible gas detector and the outlet combustible gas detector, if the difference is very small, the adsorber is close to saturation, and the adsorption work can not be continued. Because the recovery device comprises two or more adsorbers, once one adsorber is saturated, the control device can control the air inlet valve of the saturated adsorber to be closed, and simultaneously open the air inlet valve of the other unsaturated adsorber, the adsorber starts the adsorption recovery work, thereby leading the tail gas adsorption recovery work to be continuously carried out and improving the work efficiency. In addition, when the saturated adsorber stops performing adsorption work, the control device can control the corresponding saturated steam inlet valve and desorption valve to be opened, saturated steam is introduced into the saturated adsorber to perform high-temperature desorption, after a certain time, the desorption work is stopped, and the adsorber can perform the next adsorption work. Two or more adsorbers may be operated alternately.
The temperature of the adsorber subjected to saturated steam desorption is high, and in order to reduce the temperature of the adsorber, the adsorber is connected with a cold air pipeline, the cold air pipeline is connected with a fan, and the fan sends cold air into the adsorber to reduce the temperature of the adsorber.
The desorption pipeline is connected with the heat exchanger and the separation device, the separation device is provided with a layering tank, desorbed steam is condensed through the heat exchanger, condensed liquid enters the layering tank, and cyclohexane and condensed water are obtained after standing and layering and are respectively stored.
The adsorber is internally provided with an adsorbent which is selected from silica gel, activated alumina, SL organic gas adsorbent, molecular sieve and the like which are commonly used in industry.
The cyclohexane tail gas adsorption recovery device of the rubber device comprises three adsorbers, namely a first adsorber, a second adsorber and a third adsorber, wherein the three adsorbers are arranged in parallel and run alternately.
The utility model discloses the beneficial effect who reaches is:
the utility model discloses a two or more adsorbers to the adsorber carries out adsorption work in turn, makes adsorption work go on in succession, and in the time of one of them adsorber desorption, has the adsorber in addition and is carrying out adsorption work, and the work efficiency of above-mentioned structure is high, and automatic control, and control is accurate high-efficient.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a first adsorber; 2. a second adsorber; 3. a third adsorber; 4. a fan; 5. a heat exchanger; 6. a separation device; 7. an intake valve; 8. an inlet combustible gas detector; 9. an outlet combustible gas detector; 10. an exhaust valve; 11. a cold air inlet valve; 12. a saturated steam inlet valve; 13. a desorption valve.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b):
as shown in figure 1, the cyclohexane tail gas adsorption recovery device for the rubber device comprises three adsorbers which have the same structure and are arranged in parallel.
The adsorber is respectively connected with a waste gas inlet pipe and a discharge pipeline, the waste gas inlet pipe is connected with a waste gas source, and the waste gas inlet pipe is provided with a supercharging device and an optional fan. An air inlet valve 7 is arranged on the waste gas inlet pipe, and an exhaust valve 10 is arranged on the exhaust pipeline. The adsorber is also connected with a saturated steam inlet pipe and a desorption pipeline, the saturated steam inlet pipe is connected with a saturated steam source, and the desorption pipeline is connected with a heat exchanger 5 and a separating device 6. A saturated steam inlet valve 12 is arranged on the saturated steam inlet pipe, and a desorption valve 13 is arranged on the desorption pipeline.
An inlet combustible gas detector 8 is arranged on the waste gas inlet pipe, an outlet combustible gas detector 9 is arranged on the discharge pipeline, the inlet combustible gas detector 8 and the outlet combustible gas detector 9 are used for detecting the concentration of cyclohexane in gas, and the inlet combustible gas detector 8 and the outlet combustible gas detector 9 can be selected from commercially available combustible gas detectors.
The inlet combustible gas detector 8, the outlet combustible gas detector 9, the air inlet valve 7, the exhaust valve 10, the saturated steam inlet valve 12 and the desorption valve 13 are respectively connected with a control device (not marked in the drawing) through electric signals, the valves are all electric control valves, and the control device is an integrated control center and an integrated CPU.
The adsorber is connected with the cold air duct, and cold air duct connection fan 4, and fan 4 sends cold wind into the adsorber, reduces its temperature, is provided with cold wind inlet valve 11 on the cold air duct, and cold wind inlet valve 11 passes through electric signal connection with controlling means.
The desorption pipeline is connected with the heat exchanger 5 and the separation device 6, the separation device 6 is provided with a layering tank, desorbed steam is condensed by the heat exchanger, condensed liquid enters the layering tank, and cyclohexane and condensed water are obtained after standing and layering and are respectively stored. And a circulating water pipeline is connected in the heat exchanger 5.
The adsorber is internally provided with an adsorbent which is selected from silica gel, activated alumina, SL organic gas adsorbent, molecular sieve and the like which are commonly used in industry, and the adsorbent is a commercially available product.
The operation process of the embodiment is as follows:
cyclohexane waste gas from the rubber device is introduced into the first adsorber 1 and the second adsorber 2 by a main fan and then discharged. After a period of operation, the concentration difference value of the inlet combustible gas detector and the outlet combustible gas detector of the first adsorber 1 is smaller than a set value, namely the first adsorber 1 is saturated, the control device controls the air inlet valve and the air outlet valve of the first adsorber 1 to be closed, then the air inlet valve and the air outlet valve of the third adsorber 3 are opened, namely the second adsorber 2 and the third adsorber 3 are switched to adsorb, the saturated steam inlet valve and the desorption valve corresponding to the first adsorber 1 are opened, steam is introduced into the first adsorber 1 to desorb, the first adsorber 1 is subjected to internal circulation cooling by the cooling fan after desorption is completed, the internal circulation cooling is stopped until the first adsorber 1 is cooled to a set temperature, and then adsorption can be carried out again. The first adsorber 1, the second adsorber 2 and the third adsorber 3 alternately adsorb, desorb and cool, and one adsorber is ensured to be in an adsorption state at any time.
And condensing the desorbed steam through a heat exchanger 5, allowing the condensed liquid to enter a layering tank, standing for layering to obtain cyclohexane and condensed water, and storing the cyclohexane and the condensed water respectively.
Claims (5)
1. The utility model provides a rubber device cyclohexane tail gas adsorbs recovery unit, its characterized in that, includes two or more adsorbers, and the adsorber is connected waste gas respectively and is advanced pipe, discharge pipe, and waste gas advances to be provided with the admission valve on managing, is provided with discharge valve on the discharge pipe, and the adsorber is connected with saturated steam and advances pipe, desorption pipeline, and saturated steam advances to be provided with saturated steam on managing and advances the valve, is provided with the desorption valve on the desorption pipeline, waste gas advances to be provided with import combustible gas detector on managing, is provided with export combustible gas detector on the discharge pipe, and import combustible gas detector, export combustible gas detector, admission valve, discharge valve, saturated steam advance valve and desorption valve are respectively through signal of telecommunication connection controlling means.
2. The absorption and recovery device for cyclohexane tail gas of a rubber device according to claim 1, characterized in that the absorber is connected with a cold air pipeline, and the cold air pipeline is connected with a fan.
3. The device for adsorbing and recovering cyclohexane off-gas of a rubber device according to claim 1, wherein the desorption pipeline is connected with a heat exchanger and a separation device, and the separation device is provided with a layering tank.
4. The device for adsorbing and recovering cyclohexane off-gas of a rubber device according to claim 1, wherein an adsorbent is arranged in the adsorber.
5. The device for adsorbing and recovering cyclohexane off-gas of a rubber device according to claim 1, which comprises three adsorbers, namely a first adsorber, a second adsorber and a third adsorber, and the three adsorbers are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021009498.5U CN212548892U (en) | 2020-06-04 | 2020-06-04 | Cyclohexane tail gas adsorption recovery device of rubber device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021009498.5U CN212548892U (en) | 2020-06-04 | 2020-06-04 | Cyclohexane tail gas adsorption recovery device of rubber device |
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| Publication Number | Publication Date |
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| CN212548892U true CN212548892U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021009498.5U Active CN212548892U (en) | 2020-06-04 | 2020-06-04 | Cyclohexane tail gas adsorption recovery device of rubber device |
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| CN (1) | CN212548892U (en) |
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- 2020-06-04 CN CN202021009498.5U patent/CN212548892U/en active Active
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