CN214715034U - Small-size portable VOCs exhaust purification device - Google Patents

Abstract

The utility model discloses a small-size portable VOCs exhaust gas purification device, including the exhaust treatment device body, the wheelset is removed to exhaust treatment device body bottom fixed connection, inside first filter chamber, core filter chamber and the room of discharging of being provided with of exhaust treatment device body, first filter chamber inside fixed mounting has the well effect filter, is located the access door front side fixedly connected with automatic control panel of first filter chamber outer wall, discharge room back fixedly connected with air-out shutter, first filter chamber right side fixed mounting has the pressure differential meter, discharge indoor bottom fixedly connected with PID test probe. The utility model discloses in, the organic waste gas that contains VOCs enters into well effect filter through top expansion collecting pipe, and waste gas after the filter gets into the core filter chamber in the process, adsorbs waste gas through the adsorption bed, and the exhaust-gas shutter discharges to the atmosphere in being taken out to waste gas by the suction effect of fan at the waste gas of handling after the adsorption bed to make waste gas discharge to reach standard.

Description

Small-size portable VOCs exhaust purification device

Technical Field

The utility model belongs to the technical field of exhaust-gas purification, specifically be a small-size portable VOCs exhaust purification device.

Background

VOCs are important precursors formed by PM2.5 and ozone, and are difficult and weak links of current atmospheric pollution control, for some enterprises, due to the difference of economic conditions, initial investment of VOCs environment-friendly equipment, concept of configuring environment-friendly equipment, recognition height and other reasons, relatively economic activated carbon adsorption equipment is adopted, but activated carbon adsorbents used in the market have different iodine values, and the activated carbon cannot be desorbed and reused for multiple times after being used, so that the consumption cost of the adsorbents is increased, the replaced activated carbon still needs to be subjected to hazardous waste treatment, and otherwise, the environmental pollution is caused;

active carbon adsorption equipment in the market generally adopts granular active carbon, honeycomb active carbon, active carbon fibers and the like as adsorption materials, the waste gas is adsorbed and purified by utilizing the physical adsorption effect of the adsorption materials on VOCs, for the adsorption equipment which cannot desorb and regenerate the adsorption materials, the adsorption materials must be replaced after the adsorption materials are used for a period of time, otherwise, the VOCs waste gas cannot be discharged up to the standard, the replacement of the adsorption materials not only wastes time and labor, but also the replaced waste adsorption materials are used as solid wastes, and if the waste adsorption materials are improperly disposed, the environmental pollution is caused; meanwhile, because the adsorption capacity of the adsorption material is limited, the adsorption material needs to be replaced at intervals, so that the later maintenance cost of the adsorption equipment is increased sharply; for the adsorption equipment which is originally designed to be disposable (the adsorption material can not be replaced), new equipment can only be purchased again after the discharge does not reach the standard, and the environmental protection cost of treating the VOCs of the enterprise is directly increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the active carbon adsorption equipment in the current market generally adopts granular active carbon, honeycomb active carbon, active carbon fibers and the like as adsorption materials, the adsorption materials are used for adsorbing and purifying waste gas by utilizing the physical adsorption effect of the adsorption materials on VOCs, and for the adsorption equipment which can not desorb and regenerate the adsorption materials, after the adsorption materials are used for a period of time, the adsorption materials must be replaced, otherwise, the VOCs waste gas cannot reach the standard and be discharged, the replacement of the adsorption materials not only wastes time and labor, but also the replaced waste adsorption materials are used as solid wastes, and if the waste adsorption materials are improperly disposed, the environmental pollution can be caused; meanwhile, because the adsorption capacity of the adsorption material is limited, the adsorption material needs to be replaced at intervals, so that the later maintenance cost of the adsorption equipment is increased sharply; the problem that the environmental protection cost for treating the VOCs of an enterprise is directly increased by only purchasing new equipment after the discharge does not reach the standard and designing disposable adsorption equipment (the adsorption material cannot be replaced) originally is solved, and the small-sized movable VOCs waste gas purification device is provided.

The utility model adopts the technical scheme as follows: a small-sized movable VOCs waste gas purification device comprises a waste gas treatment device body, wherein a movable wheel set is fixedly connected to the bottom of the waste gas treatment device body, a primary filter chamber, a core filter chamber and a discharge chamber are arranged inside the waste gas treatment device body, a middle-effect filter is fixedly arranged inside the primary filter chamber, an adsorption bed is fixedly arranged inside the core filter chamber, a fan is fixedly connected to the top inside the discharge chamber, a contraction collecting pipe is fixedly connected to the top of the waste gas treatment device body, an adjusting air valve is fixedly arranged on the outer wall of the contraction collecting pipe, the primary filter chamber, the core filter chamber and the discharge chamber are fixedly connected with an access door through hinges, an automatic control panel is fixedly connected to the front side of the access door on the outer wall of the primary filter chamber, an air outlet shutter is fixedly connected to the back of the discharge chamber, and a differential pressure gauge is fixedly arranged on the right side of the primary filter chamber, and a PID detection probe is fixedly connected to the bottom in the discharge chamber.

In a preferred embodiment, the adsorption bed is a macroporous adsorption resin, which has the advantages of large adsorption capacity, good selectivity, easy desorption, high mechanical strength, simple and convenient regeneration treatment, high adsorption speed and the like compared with gel resin and natural adsorbents, and is particularly suitable for separating low-polarity or non-polar compounds from aqueous solution.

In a preferred embodiment, all adopt the silica gel sealing strip to guarantee sealed effect around the access door.

In a preferred embodiment, the moving wheel set is a universal pulley.

In a preferred embodiment, the adsorbent bed thickness is 200-500mm, ensuring a designed off-gas residence time of 0.5-0.8 s.

In a preferred embodiment, the exhaust gas treatment device body and the access door are both made of stainless steel, so that the service life is prolonged.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

in the utility model, the organic waste gas containing VOCs enters the middle-effect filter through the top telescopic collecting pipe, it must be explained that, because the waste gas species and the characteristics collected by each industry are different, even some waste gas contains particulate matters such as dust, in order to avoid the particulate matters entering the macroporous resin to block a large amount of adsorption pore canals, and further reduce the adsorption efficiency of the macroporous adsorption resin, the middle-effect filter can intercept a large amount of dust particulate matters on the surface of the filter cloth, so that cleaner waste gas enters the adsorption stage, the waste gas after passing through the middle-effect filter enters the core filter chamber, the waste gas is adsorbed by the adsorption bed, the thickness of the adsorption bed layer is usually 200 and 500mm, the designed waste gas retention time is ensured to be 0.5-0.8s, the waste gas after being treated by the adsorption bed is pumped to the air outlet shutter by the suction effect of the fan and discharged to the atmosphere, the exhaust waste gas is detected through the PID detection probe, the monitored data are directly fed back to the automatic control panel, the concentration of the outlet waste gas is monitored, and therefore the waste gas is discharged up to the standard.

Drawings

FIG. 1 is a schematic diagram of a small mobile VOCs waste gas purification device of the present invention;

FIG. 2 is a front view of a small mobile VOCs waste gas purification device of the present invention;

FIG. 3 is a back view of a small mobile VOCs exhaust gas purification device of the present invention;

fig. 4 is a bottom view of the small-sized mobile VOCs exhaust gas purifying device of the present invention.

The labels in the figure are: 1-a waste gas treatment device body, 2-a moving wheel set, 3-a primary filter chamber, 4-a core filter chamber, 5-a discharge chamber, 6-a middle-effect filter, 7-an adsorption bed, 8-a fan, 9-a contraction collecting pipe, 10-an air adjusting valve, 11-an access door, 12-an automatic control system, 13-an air outlet shutter, 14-a differential pressure gauge and 15-a PID detection probe.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a small mobile type waste gas purification device for VOCs comprises a waste gas treatment device body 1, wherein the bottom of the waste gas treatment device body 1 is fixedly connected with a mobile wheel set 2, the mobile wheel set 2 is a universal pulley, a primary filter chamber 3, a core filter chamber 4 and a discharge chamber 5 are arranged in the waste gas treatment device body 1, a middle-effect filter 6 is fixedly arranged in the primary filter chamber 3, an adsorption bed 7 is fixedly arranged in the core filter chamber 4, the adsorption bed 7 is made of macroporous adsorption resin, and compared with gel resin and natural adsorbents, the macroporous adsorption resin has the advantages of large adsorption capacity, good selectivity, easy desorption, high mechanical strength, simple and convenient regeneration treatment, high adsorption speed and the like, is particularly suitable for separating low-polarity or non-polarity compounds from an aqueous solution, the thickness of the adsorption bed 7 is 200-500mm, and the designed waste gas retention time is ensured to be 0.5-0.8s, the top of the inside of the exhaust chamber 5 is fixedly connected with a fan 8, the top of the exhaust gas treatment device body 1 is fixedly connected with a contraction collecting pipe 9, the outer wall of the contraction collecting pipe 9 is fixedly provided with an adjusting air valve 10, the outer walls of the primary filtering chamber 3, the core filtering chamber 4 and the exhaust chamber 5 are fixedly connected with an access door 11 through hinges, the exhaust gas treatment device body 1 and the access door 11 are both made of stainless steel, the service life is prolonged, the periphery of the access door 11 is ensured to be sealed by silica gel sealing strips, the front side of the access door 11 positioned on the outer wall of the primary filtering chamber 3 is fixedly connected with an automatic control panel 12, the back of the exhaust chamber 5 is fixedly connected with an air outlet shutter 13, the right side of the primary filtering chamber 3 is fixedly provided with a pressure difference meter 14, the bottom of the exhaust chamber 5 is fixedly connected with a PID detection probe 15, organic exhaust gas containing VOCs enters the medium efficiency filter 6 through the top expansion collecting pipe 9, which must be explained, because the types and the characteristics of the waste gas collected in various industries are different, even some waste gas contains particles such as dust, and in order to prevent the particles from entering the macroporous resin to block a large number of adsorption pore channels, and further reduce the adsorption efficiency of the macroporous resin, the intermediate filter 6 can retain a large number of dust particles on the surface of filter cloth, so that cleaner waste gas enters an adsorption stage, the waste gas passing through the intermediate filter 6 enters the core filter chamber 4, the waste gas is adsorbed by the adsorption bed 7, the thickness of the adsorption bed layer 7 is usually 200 and 500mm, the designed waste gas retention time is ensured to be 0.5-0.8s, the waste gas after being treated by the adsorption bed is pumped to the air outlet shutter 13 by the suction effect of the fan 8 and discharged to the atmosphere, the discharged waste gas is detected by the PID detection probe 15, and the monitored data is directly fed back to the self-control panel 12, and monitoring the concentration of the exhaust gas at the outlet, so that the exhaust gas reaches the standard and is discharged.

The working principle is as follows: organic waste gas containing VOCs enters the middle-effect filter 6 through the top telescopic collecting pipe 9, it must be noted that, because the types and characteristics of waste gas collected in various industries are different, even some waste gas contains particles such as dust, and in order to avoid the particles entering the macroporous resin to block a large number of adsorption pore channels, and further reduce the adsorption efficiency of the macroporous adsorption resin, the middle-effect filter 6 can intercept a large number of dust particles on the surface of filter cloth, so that cleaner waste gas enters the adsorption stage, the waste gas after passing through the middle-effect filter 6 enters the core filter chamber 4, the waste gas is adsorbed through the adsorption bed 7, the thickness of the adsorption bed layer 7 is usually 200-500mm, the designed waste gas retention time is ensured to be 0.5-0.8s, the waste gas after being treated by the adsorption bed is pumped to the air outlet shutter 13 to the atmosphere by the suction action of the fan 8, the PID detection probe 15 is used for detecting the discharged waste gas, the monitored data is directly fed back to the automatic control panel 12, and the concentration of the discharged waste gas is monitored, so that the waste gas is discharged up to the standard.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. The utility model provides a small-size portable VOCs exhaust gas purification device, includes exhaust treatment device body (1), its characterized in that: the waste gas treatment device comprises a waste gas treatment device body (1), wherein a movable wheel set (2) is fixedly connected to the bottom of the waste gas treatment device body (1), a primary filtering chamber (3), a core filtering chamber (4) and a discharge chamber (5) are arranged inside the waste gas treatment device body (1), a middle-effect filter (6) is fixedly arranged inside the primary filtering chamber (3), an adsorption bed (7) is fixedly arranged inside the core filtering chamber (4), a fan (8) is fixedly connected to the inner top of the discharge chamber (5), a contraction collecting pipe (9) is fixedly connected to the top of the waste gas treatment device body (1), an adjusting air valve (10) is fixedly arranged on the outer wall of the contraction collecting pipe (9), an access door (11) is fixedly connected to the outer walls of the primary filtering chamber (3), the core filtering chamber (4) and the discharge chamber (5) through hinges, and an automatic control panel (12) is fixedly connected to the front side of the access door (11) on the outer wall of the primary filtering chamber (3), the air outlet shutter (13) is fixedly connected to the back of the discharge chamber (5), a differential pressure gauge (14) is fixedly mounted on the right side of the primary filter chamber (3), and a PID detection probe (15) is fixedly connected to the bottom in the discharge chamber (5).

2. A compact mobile VOCs exhaust gas purification apparatus as set forth in claim 1, wherein: the adsorption bed (7) is macroporous adsorption resin.

3. A compact mobile VOCs exhaust gas purification apparatus as set forth in claim 1, wherein: the access door (11) all adopt the silica gel sealing strip to guarantee sealed effect all around.

4. A compact mobile VOCs exhaust gas purification apparatus as set forth in claim 1, wherein: the moving wheel set (2) is a universal pulley.

5. A compact mobile VOCs exhaust gas purification apparatus as set forth in claim 1, wherein: the thickness of the adsorption bed (7) is 200-500 mm.

6. A compact mobile VOCs exhaust gas purification apparatus as set forth in claim 1, wherein: the waste gas treatment device body (1) and the access door (11) are both made of stainless steel.

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