CN211988589U - A neutralization apparatus for alkylbenzene production - Google Patents
A neutralization apparatus for alkylbenzene production Download PDFInfo
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- CN211988589U CN211988589U CN201922399975.7U CN201922399975U CN211988589U CN 211988589 U CN211988589 U CN 211988589U CN 201922399975 U CN201922399975 U CN 201922399975U CN 211988589 U CN211988589 U CN 211988589U
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Abstract
The utility model relates to a neutralization device for alkylbenzene production, which comprises a liquid storage tank, a neutralization tank, a pump, a first feeding pipeline, a second feeding pipeline, a third feeding pipeline and a tail gas filtering device, wherein the liquid storage tank is connected with the third feeding pipeline through the second feeding pipeline, and the third feeding pipeline is connected with the first feeding pipeline through the pump; the discharge pipeline is connected with the third feeding pipeline; the neutralizing tank is connected with a tail gas filtering device; a stirring component and a feeding component are arranged in the neutralization tank, the feeding component is arranged above the stirring component, and the feeding component comprises a first feeding plate, a second feeding plate and a third feeding plate; the first feeding plate is provided with a first through hole, and the second feeding plate is provided with a second through hole; a third through hole is formed in the third material inlet plate; the utility model relates to a simple structure, safe and reliable, convenient to use, low cost's a neutralization apparatus for alkylbenzene production can make the raw materials get into to the device in proper order, has effectively improved mixing efficiency.
Description
Technical Field
The utility model relates to a neutralization apparatus for alkylbenzene production belongs to alkylbenzene production facility field.
Background
The production of the alkylbenzene process has byproduct tar, and the tar is discharged from the bottom of a hydrofluoric acid regeneration tower (C-402) into a neutralization tank through the extraction of hydrofluoric acid, and is stirred with liquid alkali in the neutralization tank to neutralize the hydrofluoric acid carried in the tar. Since hydrofluoric acid (HF) has extremely high volatility and corrosivity, and tar per se belongs to hazardous waste, the neutralization process adopted in the past, namely the neutralization efficiency and the tightness of a neutralization tank, cannot meet the current environmental protection requirements, and therefore how to neutralize and treat the byproduct tar becomes a problem to be solved by various manufacturers.
SUMMERY OF THE UTILITY MODEL
The utility model provides a neutralization apparatus for alkylbenzene production to the not enough that exists among the prior art to solve the problem that exists among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme:
a neutralization device for alkylbenzene production comprises a liquid storage tank, a neutralization tank, a pump, a first feeding pipeline, a second feeding pipeline, a third feeding pipeline and a tail gas filtering device, wherein at least 2 first feeding pipelines are arranged at the upper end of the neutralization tank, at least 2 discharging pipelines are arranged at the lower end of the neutralization tank, the liquid storage tank is connected with the third feeding pipeline through the second feeding pipeline, and the third feeding pipeline is connected with the first feeding pipeline through the pump; the discharge pipeline is connected with a third feeding pipeline; the neutralization tank is connected with a tail gas filtering device; the neutralization tank is internally provided with a stirring component and a feeding component, the feeding component is arranged above the stirring component, and the feeding component comprises a first feeding plate, a second feeding plate and a third feeding plate; the first feeding plate is provided with a first through hole, and the second feeding plate is provided with a second through hole; a third through hole is formed in the third material inlet plate; the first feeding plate is higher than the second feeding plate, and the second feeding plate is higher than the third feeding plate; the first feeding plate, the second feeding plate and the second feeding plate are all provided with feeding ports, and the feeding ports are all connected with a first feeding pipeline.
As an improvement of the utility model, the height difference between the first feeding plate and the second feeding plate is 20-30 cm.
As an improvement of the utility model, the height difference between the second feeding plate and the third feeding plate is 10-20 cm.
As an improvement of the utility model, be equipped with first support between first feed plate and the second feed plate, be equipped with the second support between second feed plate and the third feed plate, first support and second support upper end all link to each other with neutralization tank inboard.
As an improvement of the present invention, the diameter of the first through hole is larger than the diameter of the second through hole.
As an improvement of the utility model, the difference between the first through hole and the second through hole is 5-8 cm.
As an improvement of the present invention, the diameter of the second through hole is larger than the diameter of the third through hole.
As an improvement of the utility model, the difference between the second through hole and the third through hole is 1-4 cm.
As an improvement of the utility model, the quantity of first through-hole is 2 at least, the quantity of second through-hole is 2 at least, the quantity of third through-hole is 2 at least.
As an improvement of the utility model, the first feeding pipeline, the second feeding pipeline and the third feeding pipeline are all provided with control valves; and a control valve is arranged on the discharge pipeline.
Owing to adopted above technique, the utility model discloses compare than prior art, the beneficial effect who has as follows:
the utility model relates to a simple structure, safe and reliable, convenient to use, low cost's a neutralization apparatus for alkylbenzene production is equipped with the difference in height between first feed plate, second feed plate, the third feed plate, through difference in height each other to can make the raw materials get into to the device in proper order, effectively avoided because the raw materials feeding is too concentrated, thereby make the inhomogeneous condition of mixing, effectively improved mixing efficiency.
Drawings
FIG. 1 is a schematic diagram of a neutralization unit for alkylbenzene production;
FIG. 2 is a schematic structural view of a first feed plate;
FIG. 3 is a schematic structural view of a second feed plate;
FIG. 4 is a schematic structural view of a third feed plate;
in the figure: 1. liquid storage pot, 2, neutralization tank, 3, pump, 4, first charge-in pipeline, 5, second charge-in pipeline, 6, third charge-in pipeline, 7, tail gas filter equipment, 8, control valve, 9, ejection of compact pipeline, 10, stirring part, 11, first feed plate, 12, second feed plate, 13, third feed plate, 14, first through-hole, 15, second through-hole, 16, third through-hole, 17, feed inlet, 18, first support, 19, second support.
Detailed Description
The invention will be further elucidated with reference to the drawings and the detailed description.
With reference to the attached drawings, the neutralization device for alkylbenzene production comprises a liquid storage tank 1, a neutralization tank 2, a pump 3, a first feeding pipeline 4, a second feeding pipeline 5, a third feeding pipeline 6 and a tail gas filtering device 7, wherein at least 2 first feeding pipelines 4 are arranged at the upper end of the neutralization tank 2, at least 2 discharging pipelines 9 are arranged at the lower end of the neutralization tank 2, the liquid storage tank 1 is connected with the third feeding pipeline 6 through the second feeding pipeline 5, and the third feeding pipeline 6 is connected with the first feeding pipeline 4 through the pump 3; the discharge pipeline 9 is connected with the third feeding pipeline 6; the neutralization tank 2 is connected with a tail gas filtering device 7; a stirring part 10 and a feeding part are arranged in the neutralization tank 2, the feeding part is arranged above the stirring part 10, and the feeding part comprises a first feeding plate 11, a second feeding plate 12 and a third feeding plate 13; a first through hole 14 is formed in the first feeding plate 11, and a second through hole 15 is formed in the second feeding plate 12; a third through hole 16 is formed in the third material inlet plate 13; the first feeding plate 11 is higher than the second feeding plate 12, and the second feeding plate 12 is higher than the third feeding plate 13; the first feeding plate 11, the second feeding plate 12 and the second feeding plate 12 are all provided with a feeding hole 17, and the feeding hole 17 is connected with the first feeding pipeline 4.
The height difference between the first feeding plate 11 and the second feeding plate 12 is 20-30 cm.
The height difference between the second feeding plate 12 and the third feeding plate 13 is 10-20 cm.
A first bracket 18 is arranged between the first feeding plate 11 and the second feeding plate 12, a second bracket 19 is arranged between the second feeding plate 12 and the third feeding plate 13, and the upper ends of the first bracket 18 and the second bracket 19 are connected with the inner side of the neutralization tank 2.
The diameter of the first through hole 14 is larger than the diameter of the second through hole 15.
The difference between the first through hole 14 and the second through hole 15 is 5-8 cm.
The diameter of the second through hole 15 is larger than the diameter of the third through hole 16.
The difference value between the second through hole 15 and the third through hole 16 is 1-4 cm.
The number of the first through holes 14 is at least 2, the number of the second through holes 15 is at least 2, and the number of the third through holes 16 is at least 2.
The first feeding pipeline 4, the second feeding pipeline 5 and the third feeding pipeline 6 are all provided with control valves 8; and a control valve 8 is arranged on the discharge pipeline 9.
The tail gas filtering device 7 is internally provided with activated carbon.
The stirring component 10 comprises a stirring shaft, and at least 2 stirring blades are arranged on the stirring shaft.
The utility model discloses, concrete use as follows: introducing tar, which is a byproduct generated in the production process of alkylbenzene, into the liquid storage tank 1 for storage; opening a second feeding pipeline 5, a third feeding pipeline 6 and a control valve 8 on a first feeding pipeline 4, closing the control valve 8 on a discharging pipeline 9, enabling stored tar to enter a neutralization tank 2 through the second feeding pipeline 5, the third feeding pipeline 6 and the first feeding pipeline 4, reacting with liquid caustic soda in the neutralization tank 2, starting a stirring component 10, mixing raw materials in the neutralization tank 2, opening the control valve 8 on the discharging pipeline 9 after mixing for a period of time, enabling the mixed materials to enter the third feeding pipeline 6 through the discharging pipeline 9, and transmitting the mixed materials and newly introduced tar in the third feeding pipeline 6 into the neutralization tank 2 through a pump 3 to continue reacting; the PH value in the neutralization tank 2 is detected, when the PH value in the neutralization tank 2 reaches the standard, the control valve 8 on the second feeding pipeline 5 is closed, the liquid in the neutralization tank 2 is circulated through the third feeding pipeline 6 and the first feeding pipeline 4, the raw materials in the neutralization tank 2 are fully reacted, after the reaction is finished, the control valve 8 on the first feeding pipeline 4 is closed, and the reacted liquid is discharged out of the device through the discharging pipeline 9 and the pump 3.
When the neutralization tank 2 is used, the steps are as follows: when raw materials enter the device through the feed inlet 17, the raw materials are fed through the first through hole 14 on the first feed plate 11, the second through hole 15 on the second feed plate 12 and the third through hole 16 on the third feed plate 13, and the fed raw materials are uniformly stirred through the stirring component 10.
Be equipped with the difference in height between first feed plate 11, second feed plate 12, the third feed plate 13, through difference in height each other to can make the raw materials get into to the device in proper order, effectively avoid because the raw materials feeding is too concentrated, thereby the inhomogeneous condition of mixture appears, effectively improved mixing efficiency.
The diameter between first through-hole 14, second through-hole 15, the third through-hole 16 is different, can control the volume of feeding, the speed of feeding, has effectively avoided because the raw materials feeding is too concentrated to the inhomogeneous condition of mixing appears, has effectively improved mixing efficiency.
The utility model discloses well control valve 8, pump 3, stirring part 10 all link to each other with the motor through the controller.
The utility model can treat the generated byproduct tar, effectively reduce the environmental pollution, avoid the waste of resources,
the above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be regarded as limitations of the present invention, and the protection scope of the present invention should be protected by the technical solutions described in the claims, and equivalent alternatives including technical features in the technical solutions described in the claims are also within the protection scope of the present invention.
Claims (10)
1. A neutralization apparatus for alkylbenzene production, characterized in that: the tail gas filter device comprises a liquid storage tank, a neutralization tank, a pump, a first feeding pipeline, a second feeding pipeline, a third feeding pipeline and a tail gas filter device, wherein at least 2 first feeding pipelines are arranged at the upper end of the neutralization tank, at least 2 discharging pipelines are arranged at the lower end of the neutralization tank, the liquid storage tank is connected with the third feeding pipeline through the second feeding pipeline, and the third feeding pipeline is connected with the first feeding pipeline through the pump; the discharge pipeline is connected with a third feeding pipeline; the neutralization tank is connected with a tail gas filtering device; the neutralization tank is internally provided with a stirring component and a feeding component, the feeding component is arranged above the stirring component, and the feeding component comprises a first feeding plate, a second feeding plate and a third feeding plate; the first feeding plate is provided with a first through hole, and the second feeding plate is provided with a second through hole; a third through hole is formed in the third material inlet plate; the first feeding plate is higher than the second feeding plate, and the second feeding plate is higher than the third feeding plate; the first feeding plate, the second feeding plate and the second feeding plate are all provided with feeding ports, and the feeding ports are all connected with a first feeding pipeline.
2. The neutralization apparatus for alkylbenzene production according to claim 1, wherein: the height difference between the first feeding plate and the second feeding plate is 20-30 cm.
3. The neutralization apparatus for alkylbenzene production according to claim 1, wherein: the height difference between the second feeding plate and the third feeding plate is 10-20 cm.
4. The neutralization apparatus for alkylbenzene production according to claim 1, wherein: and a first support is arranged between the first feeding plate and the second feeding plate, a second support is arranged between the second feeding plate and the third feeding plate, and the upper ends of the first support and the second support are connected with the inner side of the neutralization tank.
5. The neutralization apparatus for alkylbenzene production according to claim 1, wherein: the diameter of the first through hole is larger than that of the second through hole.
6. The neutralization apparatus for alkylbenzene production according to claim 5, wherein: the difference value between the first through hole and the second through hole is 5-8 cm.
7. The neutralization apparatus for alkylbenzene production according to claim 1, wherein: the diameter of the second through hole is larger than that of the third through hole.
8. The neutralization apparatus for alkylbenzene production according to claim 7, wherein: the difference value between the second through hole and the third through hole is 1-4 cm.
9. The neutralization apparatus for alkylbenzene production according to claim 1, wherein: the quantity of first through-hole is 2 at least, the quantity of second through-hole is 2 at least, the quantity of third through-hole is 2 at least.
10. The neutralization apparatus for alkylbenzene production according to claim 1, wherein: the first feeding pipeline, the second feeding pipeline and the third feeding pipeline are all provided with control valves; and a control valve is arranged on the discharge pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922399975.7U CN211988589U (en) | 2019-12-27 | 2019-12-27 | A neutralization apparatus for alkylbenzene production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922399975.7U CN211988589U (en) | 2019-12-27 | 2019-12-27 | A neutralization apparatus for alkylbenzene production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211988589U true CN211988589U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922399975.7U Active CN211988589U (en) | 2019-12-27 | 2019-12-27 | A neutralization apparatus for alkylbenzene production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211988589U (en) |
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2019
- 2019-12-27 CN CN201922399975.7U patent/CN211988589U/en active Active
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