CN211411535U - Be used for phthalic acid diethyl ester production tail gas processing apparatus - Google Patents
Be used for phthalic acid diethyl ester production tail gas processing apparatus Download PDFInfo
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- CN211411535U CN211411535U CN201921300247.XU CN201921300247U CN211411535U CN 211411535 U CN211411535 U CN 211411535U CN 201921300247 U CN201921300247 U CN 201921300247U CN 211411535 U CN211411535 U CN 211411535U
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Abstract
The utility model discloses a tail gas treatment device for diethyl phthalate production, which comprises a first treatment box and a second treatment box, wherein the lower part in the first treatment box is provided with a plurality of groups of inclined filter screens, the first treatment box is provided with a water tank, the water tank is connected with a first connecting pipe, the first connecting pipe is connected with a first spray pipe, a rotating shaft is arranged above the first spray pipe, an activated carbon net is arranged on the rotating shaft, the upper part of the first treatment box is provided with a fan, the first treatment box is connected with the second treatment box through a second connecting pipe, the top of the second treatment box is provided with an ethanol box, the ethanol box is connected with a third connecting pipe, and the third connecting pipe is connected with a second spray pipe; the utility model discloses an earlier to gas shower water, when gas flow, drive the active carbon net and rotate, the active carbon net can adsorb the harmful substance in the gas, simultaneously through spraying ethanol solution, makes the diethyl phthalate dissolve in ethanol solution, can carry out recycle to the diethyl phthalate.
Description
Technical Field
The utility model relates to a waste gas treatment technical field, concretely relates to be used for phthalic acid diethyl ester production tail gas processing apparatus.
Background
Diethyl phthalate is a chemical substance with the molecular formula C12H14O 4. The product is colorless to yellowish clear oily liquid. The product is easily soluble in ethanol, diethyl ether, acetone, benzene, and carbon tetrachloride, and is almost insoluble in water. The product can be used as plasticizer, solvent, lubricant, fixative, foaming agent for flotation of colored or rare metal mine, gas chromatography stationary liquid, alcohol denaturant, and spray pesticide. Storing in a cool and ventilated storehouse.
In the production process of diethyl phthalate, phthalic anhydride and absolute ethyl alcohol are required to be subjected to esterification reaction under the action of concentrated sulfuric acid, and esterification liquid is subjected to neutralization, dehydration and fractionation to obtain diethyl phthalate, so that a large amount of waste gas is generated in the production process of diethyl phthalate, the waste gas contains a large amount of acid and a small amount of diethyl phthalate, the waste gas is directly discharged into the air to cause pollution, the waste gas is required to be further treated, the traditional treatment method is spray treatment, and the treatment effect is general, and diethyl phthalate in the gas cannot be removed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, a be used for phthalic acid diethyl ester production tail gas processing apparatus is provided, novel structure not only, through earlier to gas shower water, detach a large amount of acid gas, during gas flow, drive the active carbon net and rotate, multiplicable active carbon net and gaseous contact time, the active carbon net can adsorb the harmful substance in the gas, simultaneously through spraying ethanol solution, make phthalic acid diethyl ester dissolve in ethanol solution, can carry out recycle to phthalic acid diethyl ester.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a tail gas treatment device for diethyl phthalate production comprises a first treatment box and a second treatment box, wherein an air inlet pipe is arranged at the lower part of the left side of the first treatment box, a plurality of groups of inclined filter screens are arranged at the lower part in the first treatment box, a water tank is arranged on the first treatment box, a first connecting pipe is connected onto the water tank, a first water pump is arranged on the first connecting pipe, the first connecting pipe is connected with a first spraying pipe, the first spraying pipe is arranged in the first treatment box, a plurality of groups of first spraying heads are arranged on the first spraying pipe, a rotating shaft is arranged above the first spraying pipe and is rotatably connected with the inner wall of the first treatment box, six groups of activated carbon nets are fixedly connected onto the rotating shaft and are circumferentially distributed around the axial lead of the rotating shaft, a fan is arranged at the upper part of the first treatment box, and the first treatment box is connected with the second treatment box through the second connecting pipe, the top of the second treatment box is provided with an ethanol box, the ethanol box is connected with a third connecting pipe, a second water pump is arranged on the third connecting pipe, the third connecting pipe is connected with a second spray pipe, the second spray pipe is arranged in the second treatment box, a plurality of groups of second spray heads are arranged on the second spray pipe, the right side of the upper part of the second treatment box is provided with an exhaust pipe, and the right side wall of the first treatment box is provided with a control panel.
Further, the right side wall of the upper portion in the first treatment box is fixedly connected with a placing plate, the fan is placed on the placing plate, and the fan corresponds to the second connecting pipe.
Further, first case lower part right side is handled and a liquid discharge pipe is connected with, be equipped with first control valve on the liquid discharge pipe.
Furthermore, a second liquid discharge pipe is connected to the right side of the lower portion of the second treatment tank, and a second control valve is arranged on the second liquid discharge pipe.
Further, the control panel is connected with the first water pump, the second water pump and the fan in a control mode.
Furthermore, the first spray head and the second spray head are both hemispherical spray heads.
Further, the ethanol tank is filled with ethanol solution.
The utility model discloses a income effect is:
the utility model is not only novel structure, through setting up the filter screen of slope, can disperse the obstruction to gas, increase gaseous spray time, to gas shower water through first shower head, detach a large amount of acid gas, when gas flows, drive the active carbon net and rotate, multiplicable active carbon net and gaseous contact time, the active carbon net can adsorb the harmful substance in the gas, simultaneously through spraying ethanol solution, make the diethyl phthalate dissolve in ethanol solution, can carry out recycle to the diethyl phthalate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the connection structure of the rotating shaft and the activated carbon net of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in the figure 1-2, the utility model relates to a tail gas treatment device for diethyl phthalate production, which comprises a first treatment box 1 and a second treatment box 22, wherein the lower part of the left side of the first treatment box 1 is provided with an air inlet pipe 2, the lower part in the first treatment box 1 is provided with a plurality of groups of inclined filter screens 3, the first treatment box 1 is provided with a water tank 8, the water tank 8 is connected with a first connecting pipe 6, the first connecting pipe 6 is provided with a first water pump 7, the first connecting pipe 6 is connected with a first spray pipe 5, the first spray pipe 5 is arranged in the first treatment box 1, the first spray pipe 5 is provided with a plurality of groups of first spray heads 4, a rotating shaft 12 is arranged above the first spray pipe 5, the rotating shaft 12 is rotatably connected with the inner wall of the first treatment box 1 through a bearing (the bearing is not shown in the figure), the rotating shaft 12 is fixedly connected with six groups of activated carbon nets 13, the six groups of activated carbon nets, the upper portion of the first processing box 1 is provided with a fan 9, the first processing box 1 is connected with a second processing box 22 through a second connecting pipe 11, the top of the second processing box 22 is provided with an ethanol box 16, the ethanol box 16 is connected with a third connecting pipe 15, the third connecting pipe 15 is provided with a second water pump 14, the third connecting pipe 15 is connected with a second spray pipe 18, the second spray pipe 18 is arranged in the second processing box 22, the second spray pipe 18 is provided with a plurality of groups of second spray heads 19, the right side of the upper portion of the second processing box 22 is provided with an exhaust pipe 17, and the right side wall of the first processing box 1 is provided with a control panel 23.
Wherein, the upper portion right side wall fixedly connected with places board 10 in first processing case 1, and fan 9 places on placing board 10, and fan 9 is corresponding with second connecting pipe 11, and the fan 9 of being convenient for sends into gas in the second rose box 22.
A first liquid discharge pipe 24 is connected to the right side of the lower part of the first treatment tank 1, and a first control valve 25 is arranged on the first liquid discharge pipe 24, so that the waste liquid in the first treatment tank 1 can be conveniently controlled to be discharged; the right side of the lower part of the second treatment tank 22 is connected with a second liquid discharge pipe 21, and a second control valve 20 is arranged on the second liquid discharge pipe 21, so that the discharge of the liquid in the second treatment tank 22 can be controlled conveniently.
Wherein, the control panel 23 is connected with the first water pump 7, the second water pump 14 and the fan 9 in a control way; the first spray head 4 and the second spray head 19 are hemispherical spray heads, so that the spray area is large, and the spray effect is better; the ethanol tank 16 contains an ethanol solution.
One specific application of this embodiment is: when the device is used, the device is communicated with an external power supply, waste gas enters the first treatment chamber 1 through the gas inlet pipe 2, the first water pump 7 and the fan 9 are opened through the control panel 23, clear water is sprayed out through the first spray header 4, when the waste gas passes through the filter screen 3, the filter screen 3 disperses and blocks the waste gas, the spraying time of the waste gas can be increased, acid gas in the waste gas can be conveniently discharged, the sprayed gas continuously flows upwards to drive the activated carbon net 13 to rotate, the contact time of the activated carbon net 13 and the gas can be increased, the activated carbon net 13 can adsorb harmful substances in the gas, under the action of the fan 9, the gas enters the second treatment box 22 through the second connecting pipe 11, the second water pump 14 is opened through the control panel 23, an ethanol solution is sprayed out through the second spray header 19, and the diethyl phthalate is insoluble in water and soluble in the ethanol, so the sprayed ethanol solution can remove the diethyl phthalate in the gas, after the treatment, the gas is discharged through the gas discharge pipe 17, and after the treatment, the first control valve 25 and the second control valve 20 are opened, the waste liquid in the first treatment tank 1 is discharged through the first liquid discharge pipe 24, the waste liquid can be treated, the solution in the second treatment tank 22 is discharged through the second liquid discharge pipe 21, and the diethyl phthalate in the solution in the second treatment tank 22 can be recovered and utilized.
To sum up, the utility model is not only novel structure, through earlier to gas shower water, detach a large amount of acid gas, during gas flow, drive the active carbon net and rotate, multiplicable active carbon net and gaseous contact time, the active carbon net can adsorb the harmful substance in the gas, simultaneously through spraying ethanol solution, makes the diethyl phthalate dissolve in ethanol solution, can carry out recycle to the diethyl phthalate.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a be used for phthalic acid diethyl ester production tail gas processing apparatus, includes that first processing case (1) and second handle case (22), its characterized in that: the device is characterized in that an air inlet pipe (2) is arranged on the lower portion of the left side of the first processing box (1), a plurality of groups of inclined filter screens (3) are arranged on the lower portion of the inner portion of the first processing box (1), a water tank (8) is arranged on the first processing box (1), a first connecting pipe (6) is connected on the water tank (8), a first water pump (7) is arranged on the first connecting pipe (6), a first spraying pipe (5) is connected on the first connecting pipe (6), the first spraying pipe (5) is arranged in the first processing box (1), a plurality of groups of first spraying heads (4) are arranged on the first spraying pipe (5), a rotating shaft (12) is arranged above the first spraying pipe (5), the rotating shaft (12) is rotatably connected with the inner wall of the first processing box (1), six groups of activated carbon nets (13) are fixedly connected on the rotating shaft (12), and the six groups of activated carbon nets (13) are circumferentially distributed around the axial lead of the rotating shaft (12), first processing case (1) upper portion is equipped with fan (9), first processing case (1) is connected with second processing case (22) through second connecting pipe (11), second processing case (22) top is equipped with ethanol case (16), be connected with third connecting pipe (15) on ethanol case (16), be equipped with second water pump (14) on third connecting pipe (15), third connecting pipe (15) is connected with second shower (18), second shower (18) are located in second processing case (22), be equipped with multiunit second shower head (19) on second shower (18), second processing case (22) upper portion right side is equipped with blast pipe (17), first processing case (1) right side wall is equipped with control panel (23).
2. The device for treating the tail gas generated in the production of diethyl phthalate according to claim 1, wherein the device comprises: the right side wall of the upper portion in the first treatment box (1) is fixedly connected with a placing plate (10), the fan (9) is placed on the placing plate (10), and the fan (9) corresponds to the second connecting pipe (11).
3. The device for treating the tail gas generated in the production of diethyl phthalate according to claim 1, wherein the device comprises: first processing case (1) lower part right side is connected with first drain pipe (24), be equipped with first control valve (25) on first drain pipe (24).
4. The device for treating the tail gas generated in the production of diethyl phthalate according to claim 1, wherein the device comprises: the right side of the lower part of the second treatment box (22) is connected with a second liquid discharge pipe (21), and a second control valve (20) is arranged on the second liquid discharge pipe (21).
5. The device for treating the tail gas generated in the production of diethyl phthalate according to claim 1, wherein the device comprises: the control panel (23) is connected with the first water pump (7), the second water pump (14) and the fan (9) in a control mode.
6. The device for treating the tail gas generated in the production of diethyl phthalate according to claim 1, wherein the device comprises: the first spray head (4) and the second spray head (19) are both hemispherical spray heads.
7. The device for treating the tail gas generated in the production of diethyl phthalate according to claim 1, wherein the device comprises: the ethanol tank (16) is filled with ethanol solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921300247.XU CN211411535U (en) | 2019-08-12 | 2019-08-12 | Be used for phthalic acid diethyl ester production tail gas processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921300247.XU CN211411535U (en) | 2019-08-12 | 2019-08-12 | Be used for phthalic acid diethyl ester production tail gas processing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN211411535U true CN211411535U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921300247.XU Active CN211411535U (en) | 2019-08-12 | 2019-08-12 | Be used for phthalic acid diethyl ester production tail gas processing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259843A (en) * | 2021-12-27 | 2022-04-01 | 福建省清流县东莹化工有限公司 | Self-circulation spraying device for VOC (volatile organic compound) waste gas treatment and treatment process |
-
2019
- 2019-08-12 CN CN201921300247.XU patent/CN211411535U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259843A (en) * | 2021-12-27 | 2022-04-01 | 福建省清流县东莹化工有限公司 | Self-circulation spraying device for VOC (volatile organic compound) waste gas treatment and treatment process |
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