CN218653720U - Organic solvent recovery processing device - Google Patents

Abstract

The utility model discloses an organic solvent recovery processing device, which comprises a first adsorber and a second adsorber which work alternately, wherein a pressure detection device and a temperature detection device are arranged in the first adsorber and the second adsorber respectively; a heat conduction oil input end is arranged between the first adsorber and the second adsorber, the heat conduction oil input end is connected with the first adsorber through a pipeline and a valve AV907, and the heat conduction oil input end is connected with the second adsorber through a pipeline and a valve AV 910; this application scheme is fit for all kinds of service environment, and environment such as inflammable and explosive also is fit for using, and the filter media can be for a long time need not be changed, and the working process need not artificial intervention, and automatic control operation reduces personnel's maintenance cost and maintenance intensity, and equipment is small, is fit for all kinds of unit integrated uses or the independent configuration uses.

Description

Organic solvent recovery processing device

Technical Field

The utility model relates to a processing apparatus of waste gas that produces in the industrial equipment use, more specifically say an organic solvent recovery processing device.

Background

Aiming at waste gas generated in the use process of industrial equipment, the purification method mostly adopts activated carbon adsorption, catalytic combustion, a photo-oxidation catalytic oxidation method, a biological desorption method and the like. The existing industrial batch use relatively mature method comprises activated carbon adsorption and catalytic combustion, and the catalytic combustion has a good treatment effect on organic waste gas with low concentration, so that the method is widely applied to treatment of low-concentration waste gas, but has use risks in flammable and explosive environments and the like. The active carbon is mainly because the active carbon pore structure is better, and the adsorptivity is stronger, and adsorption efficiency is high, low cost, and easy operation is safe, but the adsorption efficiency can decline gradually after active carbon uses a period of time, and even became invalid, need to change the active carbon again and make its adsorption efficiency resume.

To sum up, to the above-mentioned defect among the prior art, this application scheme provides an organic solvent recovery processing apparatus, solves and mostly is large-scale recovery system, small-size exhaust-gas treatment system mostly once-used, can't how long the problem of recycling at present exhaust-gas recovery system. The scheme of the application is miniaturized and can be recycled.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned technical problem and the technical scheme who adopts provides an organic solvent recovery processing device, and waste gas reaches qualified emission standard after the active carbon device adsorbs, carries out the desorption after the high temperature after the active carbon adsorption saturation and recycles, and the active carbon device sets up to two sets, works in turn in the use, and wherein, concrete technical scheme is:

the device comprises a first adsorber and a second adsorber which work alternately, wherein a pressure detection device and a temperature detection device are arranged in the first adsorber and the second adsorber respectively;

a heat conduction oil input end is arranged between the first adsorber and the second adsorber, the heat conduction oil input end is connected with the first adsorber through a pipeline and a valve AV907, and the heat conduction oil input end is connected with the second adsorber through a pipeline and a valve AV 910;

the first adsorber is connected with the SF1 fan through a valve AV908 and a pipeline, and the second adsorber is connected with the SF1 fan through a valve AV911 and a pipeline;

the first adsorber and the second adsorber are both provided with heat conduction oil output ends and are controlled by valves;

a valve AV902 is arranged on one side of the first adsorber, a valve AV904 is arranged on one side of the second adsorber, and the valve AV904 is connected with the valve AV902 through a pipeline;

the other side of the first adsorber is provided with a valve AV906, one side of the second adsorber is provided with a valve AV909, and the valve AV909 and the valve AV906 are connected through a pipeline;

in addition, a valve AV903 and a valve AV901 are arranged between the first adsorber and the second adsorber, the valve AV903 and the valve AV901 are connected with the first adsorber and the second adsorber through pipelines, and an exhaust gas inlet end is arranged on the pipeline between the valve AV903 and the valve AV 901.

The above organic solvent recovery processing device, wherein: the gas collection tank is connected with the first adsorber or the second adsorber, and the gas collection tank is provided with a cold gas inlet end and a cold gas outlet end.

The utility model discloses for prior art have following beneficial effect:

this application scheme is fit for all kinds of service environment, and environment such as inflammable and explosive also is fit for using, and the filter media can be for a long time need not be changed, and the working process need not artificial intervention, and automatic control operation reduces personnel's maintenance cost and maintenance intensity, and equipment is small, is fit for all kinds of unit integrated uses or the independent configuration uses.

Drawings

FIG. 1 is a schematic view of the operation of an apparatus for recovering and treating an organic solvent.

In the figure: the device comprises an absorber 1, an absorber 2, a pressure detection device 3, a temperature detection device 4, a heat conduction oil input end 5, an exhaust gas inlet end 6, a liquid collection tank 7 and a heat conduction oil output end 8.

Detailed Description

The invention is further described with reference to the following figures and examples.

According to the technical scheme, after the waste gas is adsorbed by the activated carbon device, the qualified emission standard is reached, the activated carbon is adsorbed and saturated, then the activated carbon device is desorbed and recycled at high temperature, the activated carbon device is arranged into two sets, the activated carbon device works alternately in the using process, and the working flow is as shown in the attached drawing 1.

During normal operation, the first adsorber 1 and the second adsorber 2 alternately operate, when the first adsorber 1 operates, the valves AV901 and AV902 are opened, the valves AV908 and AV906 are closed, the valve AV907 is closed, and waste gas is sent to the first adsorber 1 through the valve AV901, is adsorbed by activated carbon and then is discharged through the valve AV 902. After the adsorber 1 works for a period of time, the internal activated carbon is close to saturation, the pressure value in the cavity is changed, when the pressure value reaches a set value, the adsorber 1 stops working, the AV901 and AV902 valves are closed, the AV908, AV906 and AV907 valves are opened, and the heated heat conduction oil is immersed in the heating cavity through the AV907 valve and then is discharged from the heat conduction oil output end 8. The activated carbon in the adsorber I1 is heated by heat-conducting oil, the adsorbed waste gas is separated at high temperature, the SF1 fan is opened, the separated gas is sent into the liquid receiving pipe through AV908 and AV906, the gas is discharged after being cooled, when the pressure value is reduced to the set pressure, the AV907 valve is closed, the heating is stopped, the SF1 fan stops working, the AV908 and AV906 are closed, and the desorption is completed.

When the adsorber 1 stops operating, the adsorber two 2 starts operating, the valves AV903 and AV904 are opened, the valves AV909 and AV911 are closed, the valve AV910 is closed, and the exhaust gas is sent to the adsorber two 2 through the valve AV903, passes through the activated carbon adsorption, and is discharged through the valve AV 904. After the second adsorber 2 works for a period of time, the internal activated carbon is close to saturation, the pressure value in the cavity is changed, when the pressure value reaches a set value, the second adsorber 2 stops working, the AV903 and AV904 valves are closed, the AV909, AV910 and AV911 valves are opened, the heated heat conduction oil is immersed in the heating cavity through the AV910 valve and then is discharged from the heat conduction oil output end 8, the activated carbon in the second adsorber 2 is heated by the heat conduction oil, the adsorbed waste gas is separated at high temperature, the SF1 fan is opened, the separated gas is sent into the liquid receiving pipe through the AV911 and the AV909, the gas is discharged after cooling, when the pressure value is reduced to a set pressure, the AV910 valve is closed, heating is stopped, the SF1 stops working, the AV909 and the AV911 are closed, and desorption is completed.

When the second adsorber 2 stops working, the first adsorber 1 starts working, the valves are operated circularly during the circulating adsorption work, and the first adsorber 1 and the second adsorber 2 operate circularly.

In this specification, the invention has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.

Claims (2)

1. An organic solvent recovery processing device, which is characterized in that: the device comprises a first adsorber and a second adsorber which work alternately, wherein a pressure detection device and a temperature detection device are arranged in the first adsorber and the second adsorber respectively;

a heat conduction oil input end is arranged between the first adsorber and the second adsorber, the heat conduction oil input end is connected with the first adsorber through a pipeline and a valve AV907, and the heat conduction oil input end is connected with the second adsorber through a pipeline and a valve AV 910;

the first adsorber is connected with the SF1 fan through a valve AV908 and a pipeline, and the second adsorber is connected with the SF1 fan through a valve AV911 and a pipeline;

the first adsorber and the second adsorber are both provided with heat conduction oil output ends and are controlled by valves;

a valve AV902 is arranged on one side of the first adsorber, a valve AV904 is arranged on one side of the second adsorber, and the valve AV904 is connected with the valve AV902 through a pipeline;

the other side of the first adsorber is provided with a valve AV906, one side of the second adsorber is provided with a valve AV909, and the valve AV909 and the valve AV906 are connected through a pipeline;

in addition, a valve AV903 and a valve AV901 are arranged between the first adsorber and the second adsorber, the valve AV903 and the valve AV901 are connected with the first adsorber and the second adsorber through pipelines, and an exhaust gas inlet end is arranged on the pipeline between the valve AV903 and the valve AV 901.

2. The organic solvent recovery processing device according to claim 1, wherein: the gas collection tank is connected with the first adsorber or the second adsorber, and the gas collection tank is provided with a cold gas inlet end and a cold gas outlet end.

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