CN218981014U - Tail gas treatment device for 2-chloro-5-chloromethylpyridine production - Google Patents
Tail gas treatment device for 2-chloro-5-chloromethylpyridine production Download PDFInfo
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- CN218981014U CN218981014U CN202223368922.7U CN202223368922U CN218981014U CN 218981014 U CN218981014 U CN 218981014U CN 202223368922 U CN202223368922 U CN 202223368922U CN 218981014 U CN218981014 U CN 218981014U
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- chloromethylpyridine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to the technical field of tail gas treatment, in particular to a tail gas treatment device for 2-chloro-5-chloromethylpyridine production, which comprises an absorption bin, wherein an air inlet pipe and a liquid adding port are arranged on the absorption bin and are used for storing absorption liquid; an exhaust port is arranged above the tank body, a drain pipe is arranged on the bottom surface of the tank body, the tank body is communicated with the absorption bin through an air duct, the air inlet end of the air duct is communicated with the upper part in the absorption bin, and the air outlet end is communicated with the side wall of the tank body; the grid mesh plate is arranged in the tank body, and the lower part of the grid mesh plate is connected with the tank body through a plurality of buffer members and is used for dispersing air flow; the spraying mechanism is arranged in the tank body above the buffer component and is communicated with the liquid storage tank through a liquid inlet pipe; the driving component is connected with the spraying mechanism and drives the spraying mechanism to rotate in a reciprocating manner; the filter is transversely arranged in the tank body above the spraying mechanism, and active carbon is placed above the filter. The utility model has the advantages of sufficient waste gas treatment, good treatment effect and the like.
Description
Technical Field
The utility model relates to the technical field of tail gas treatment, in particular to a tail gas treatment device for 2-chloro-5-chloromethylpyridine production.
Background
The 2-chloro-5-chloromethylpyridine is an organic compound, is an important intermediate for synthesizing pesticides and medicines, and has stronger sensitization. The 2-chloro-5-chloromethylpyridine is obtained by the method of branched chlorination of 2-chloro-5-methylpyridine in the presence of a catalyst in industry, a large amount of waste gas is generated in the preparation process of the 2-chloro-5-chloromethylpyridine, and the waste gas is discharged randomly without treatment, so that the environment is easily polluted.
The existing exhaust gas treatment mode is to absorb and purify the exhaust gas by utilizing the absorption liquid to enable the exhaust gas to react with the absorption liquid so as to achieve the effect of purifying the exhaust gas, but most of the exhaust gas treatment devices for producing 2-chloro-5-chloromethylpyridine in the prior art have simple structures and fewer absorption and purification procedures, so that the phenomenon of incomplete absorption and purification of the exhaust gas is easy to occur; moreover, the waste gas is less hindered in the device, so that the time for the waste gas to pass through the tank body is shorter, and the absorption and treatment effects of the waste gas are affected. In view of the above, improvements to existing devices are needed.
Disclosure of Invention
In view of the above, the utility model provides a tail gas treatment device for 2-chloro-5-chloromethylpyridine production, which aims to solve the technical problems of the prior art that the waste gas is not thoroughly absorbed, and the treatment effect is poor due to too fast flow of the waste gas.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
an exhaust gas treatment device for producing 2-chloro-5-chloromethylpyridine, comprising:
the absorption bin is provided with an air inlet pipe and a liquid adding port and is used for storing absorption liquid;
the tank body is provided with an exhaust port above, the bottom surface is provided with a liquid discharge pipe, the tank body is communicated with the absorption bin through an air duct, the air inlet end of the air duct is communicated with the upper part in the absorption bin, and the air outlet end is communicated with the side wall of the tank body;
the grid screen plate is arranged in the tank body, and the lower part of the grid screen plate is connected with the tank body through a plurality of buffer members and is used for dispersing air flow;
the spraying mechanism is arranged in the tank body above the buffer component and is communicated with the liquid storage tank through a liquid inlet pipe;
the driving component is connected with the spraying mechanism and drives the spraying mechanism to rotate in a reciprocating manner;
the filter is transversely arranged in the tank body above the spraying mechanism, and activated carbon is placed above the filter.
Preferably, the spraying mechanism includes:
the two shunt tubes are rotatably arranged on the tank body, and the end parts of each shunt tube are communicated with the liquid inlet tube through rotary joints;
the spray heads are uniformly arranged on the shunt tubes.
Preferably, the driving member includes:
the two incomplete gears are respectively connected with one end of the two shunt tubes penetrating through the tank body;
the hydraulic cylinder is characterized in that teeth are arranged at the upper end and the lower end of a rack arranged at the end part of a piston rod of the hydraulic cylinder, and the rack is arranged between the two incomplete gears and meshed with the two incomplete gears.
Preferably, a connecting rod is vertically arranged below the grid mesh plate, and an impeller is rotatably arranged at the lower end of the connecting rod.
Preferably, the buffer member includes:
the upper end of the supporting rod is connected with the lower surface of the grid mesh plate, and the lower end of the supporting rod is connected with a base arranged on the inner wall of the tank body in a sliding manner and is provided with a limiting boss after penetrating through the base;
and the spring is sleeved on the supporting rod between the base and the grid mesh plate.
Preferably, a stirring mechanism is arranged at the bottom of the absorption bin and comprises a motor and a stirring paddle arranged at the power output end of the motor.
Preferably, through holes are formed in blades of the stirring paddles.
Preferably, valves are arranged on the air inlet pipe and the liquid discharge pipe.
Preferably, an access door is arranged on the tank body.
By adopting the technical scheme, the utility model has the following technical progress:
1. through utilizing the absorption storehouse for absorption liquid in the absorption storehouse can carry out primary absorption and purification to air inlet pipe exhaust waste gas, and the stirring rake that sets up in the absorption storehouse can stir absorption liquid, makes gas and liquid carry out abundant fusion, and the paddle that has the filtration pore does benefit to the improvement fusion effect simultaneously, thereby is convenient for make absorption liquid and waste gas carry out abundant contact, and then improves the device and absorbs and purify efficiency to waste gas, and the practicality is strong.
2. The driving member is utilized to drive the spraying mechanism to perform reciprocating swing spraying, so that the spraying range of the spraying mechanism can be increased, the spraying blind area is reduced, the contact between the absorption liquid and the waste gas is more sufficient, the absorption effect of the waste gas is improved, and the waste gas after twice absorption and purification can be discharged out of the tank body under the adsorption action of the activated carbon in the filter plate, so that the pollution degree to the environment is greatly reduced. Compared with the prior art, the device has the advantages of stable structure, good waste gas treatment effect, environmental friendliness and contribution to popularization.
3. When the waste gas flow enters the tank body and blows the impeller, so that the impeller rotates, the waste gas flow can be disturbed, the flow direction of the waste gas flow is dispersed, the time for the gas to flow in the tank body is increased, meanwhile, the grid mesh plate can play a certain role in blocking, the flow speed of the waste gas flow is reduced, waste gas is dispersed and uniformly distributed in the tank body, the time for the waste gas to pass through the spraying mechanism is increased, and the waste gas is better contacted with sprayed absorption liquid to be absorbed or subjected to neutralization reaction, so that the treatment effect of the waste gas is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of the front view of an exhaust treatment device according to the present utility model;
FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present utility model;
FIG. 3 is an isometric view of an exhaust treatment device according to the present utility model;
FIG. 4 is a schematic view of a partial enlarged structure at B in FIG. 3 according to the present utility model;
FIG. 5 is a schematic view of the overall structure of the exhaust gas treatment device according to the present utility model;
reference numerals illustrate:
10. the device comprises an absorption bin, 11, an air inlet pipe, 12, a liquid filling opening, 13, a valve, 20, a tank body, 201, an access door, 21, an air outlet, 22, a liquid discharge pipe, 23, an air guide pipe, 24, a grid screen plate, 241, a connecting rod, 25, a filter plate, 26, a liquid inlet pipe, 27, a liquid storage tank, 28, a water pump, 29, an impeller, 30, a buffer member, 31, a support rod, 32, a base, 33, a limit boss, 34, a spring, 40, a spraying mechanism, 41, a shunt pipe, 42, a spray head, 50, a driving member, 51, an incomplete gear, 52, a hydraulic cylinder, 53, a rack, 60, a stirring mechanism, 61, a motor, 62, a stirring paddle, 621 and a blade.
Detailed Description
Technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it should be apparent that in the following description, specific details are set forth such as the specific system structure, technology, etc. for the purpose of illustration rather than limitation, in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present utility model with unnecessary detail.
The utility model provides a tail gas treatment device for 2-chloro-5-chloromethylpyridine production, which can be seen from figures 1 to 5 of the specification, and comprises: the device comprises an absorption bin 10, a tank body 20, a grid screen plate 24, a spraying mechanism 40, a driving member 50 and a filter plate 25, wherein an air inlet pipe 11 and a liquid adding port 12 are arranged on the absorption bin 10 and are used for storing absorption liquid and carrying out primary treatment on waste gas, and specifically, the lower end of the air inlet pipe 11 can extend into the inner bottom of the absorption bin 10, so that the waste gas and the absorption liquid can be fully contacted; the jar body 20 top is provided with gas vent 21, and the bottom surface is provided with fluid-discharge tube 22, and jar body 20 is linked together through air duct 23 with absorb storehouse 10, and air duct 23 air inlet end and the interior upper portion intercommunication of absorption storehouse 10, and the end of giving vent to anger is linked together with jar body 20 lateral wall, and specifically, the mounted position of air duct 23 air outlet end is higher to prevent that the liquid that sprays from getting into air duct 23, jar body 20 is used for carrying out secondary purification to waste gas and absorbs, does benefit to the treatment effect that improves waste gas.
As can be seen from fig. 1 of the specification, the grill net plate 24 is disposed in the tank 20, and the lower part thereof is connected to the tank 20 through a plurality of buffering members 30 for dispersing air flow; the spraying mechanism 40 is arranged in the tank body 20 above the buffer member 30, and is communicated with the liquid storage tank 27 through a liquid inlet pipe 26, specifically, absorption liquid is stored in the liquid storage tank 27, and the lower end of the liquid inlet pipe 26 extends into the bottom of the liquid storage tank 27 and is connected with the water pump 28; the driving member 50 is connected with the spraying mechanism 40 and drives the spraying mechanism to reciprocate; the filter plate 25 is disposed transversely in the tank 20 above the spray mechanism 40 and has activated carbon disposed thereon. Specifically, the filter plate 25 is disposed between the exhaust port 21 and the spraying mechanism 40, and can adsorb and remove odor from the exhaust gas after absorption and purification, thereby preventing the odor in the exhaust gas from polluting the external environment.
As an example, as shown in fig. 1 and 3 of the specification, the spraying mechanism 40 includes: the two shunt tubes 41 and the plurality of spray heads 42, wherein the two shunt tubes 41 are rotatably arranged on the tank body 20, and the end part of each shunt tube 41 is communicated with the liquid inlet tube 26 through a rotary joint; the plurality of spray heads 42 are uniformly arranged on the shunt tubes 41.
Specifically, the two shunt tubes 41 are disposed in parallel with each other in the tank 20, and the initial angles of the spray heads 42 on the two shunt tubes 41 are different, so that two groups of spray heads 42 can be installed symmetrically with respect to the axial direction of the shunt tubes 41, i.e., when one group of spray heads 42 sprays toward the front of the tank 20, the other group sprays toward the rear of the tank 20. Driven by the driving member 50, the spraying mechanism 40 can perform reciprocating swing spraying, which is beneficial to expanding the spraying range of the spraying mechanism 40 and increasing the contact area between the absorption liquid and the waste gas, so that the waste gas treatment is more sufficient.
In this embodiment, as can be seen from fig. 3 and 4 of the specification, the driving member 50 includes: two incomplete gears 51 and a hydraulic cylinder 52, wherein the two incomplete gears 51 are respectively connected with one end of the two shunt tubes 41 penetrating through the tank body 20; teeth are arranged at the upper end and the lower end of a rack 53 arranged at the end part of a piston rod of the hydraulic cylinder 52, and the rack 53 is arranged between the two incomplete gears 51 and meshed with the two incomplete gears 51. Specifically, the hydraulic cylinder 52 is fixedly disposed on the outer wall of the tank 20, and the rack 53 is disposed between the two incomplete gears 51 for driving the rotation thereof.
When the device is used, the hydraulic cylinder 52 is used for driving the rack 53 to reciprocate, so that the two incomplete gears 51 are driven to reciprocate, the corresponding shunt tubes 41 are driven to reciprocate, and as the initial angles of the two shunt tubes 41 are different, the rack 53 drives the two incomplete gears 51 to oscillate towards the same side at the same time when extending, and the two spray heads 42 oscillate towards different directions, so that the spray range is enlarged, and the tail gas absorption effect is improved.
As an embodiment, as shown in fig. 1 of the specification, a connecting rod 241 is vertically arranged below the grid plate 24, and an impeller 29 is rotatably arranged at the lower end of the connecting rod 241.
In this embodiment, as can be seen from fig. 2 of the specification, the buffer member 30 includes: the upper end of the supporting rod 31 is connected with the lower surface of the grid mesh plate 24, and the lower end of the supporting rod 31 is slidably connected with a base 32 arranged on the inner wall of the tank body 20 and is provided with a limiting boss 33 after penetrating through the base 32; the spring 34 is sleeved on the supporting rod 31 between the base 32 and the grid plate 24.
When the gas-liquid separation device is used, waste gas after preliminary purification enters the bottom of the tank body 20 through the gas guide pipe 23 and blows the impeller 29 to rotate, the impeller 29 can disperse gas, so that the gas is prevented from being too concentrated, the grid mesh plate 24 plays a role in blocking the gas flow, the gas flow rate is prevented from being too fast, the gas is enabled to be in full contact with absorption liquid sprayed by the spraying mechanism 40, and the absorption effect is improved.
As an example, as shown in fig. 1 of the drawings, a stirring mechanism 60 is provided at the bottom of the absorption chamber 10, and includes a motor 61 and a stirring paddle 62 provided at the power output end thereof.
In this embodiment, as can be seen from fig. 5 of the specification, the blades 621 of the stirring paddle 62 are provided with through holes. The device is used for promoting the mutual fusion of the absorption liquid and the waste gas, facilitating the absorption of more tail gas and improving the absorption and purification effects.
As an example, as shown in fig. 1 of the specification, the valve 13 is provided on each of the intake pipe 11 and the discharge pipe 22.
In this embodiment, as can be seen from fig. 5 of the specification, an access door 201 is provided on the tank 20.
It should be noted that in this patent application, relational terms such as first and second, and the like are 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. Moreover, 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, does not include, without limitation, additional elements that are defined by the term "include" an.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (9)
1. An exhaust gas treatment device for producing 2-chloro-5-chloromethylpyridine, which is characterized by comprising:
the absorption bin is provided with an air inlet pipe and a liquid adding port and is used for storing absorption liquid;
the tank body is provided with an exhaust port above, the bottom surface is provided with a liquid discharge pipe, the tank body is communicated with the absorption bin through an air duct, the air inlet end of the air duct is communicated with the upper part in the absorption bin, and the air outlet end is communicated with the side wall of the tank body;
the grid screen plate is arranged in the tank body, and the lower part of the grid screen plate is connected with the tank body through a plurality of buffer members and is used for dispersing air flow;
the spraying mechanism is arranged in the tank body above the buffer component and is communicated with the liquid storage tank through a liquid inlet pipe;
the driving component is connected with the spraying mechanism and drives the spraying mechanism to rotate in a reciprocating manner;
the filter is transversely arranged in the tank body above the spraying mechanism, and activated carbon is placed above the filter.
2. The tail gas treatment device for 2-chloro-5-chloromethylpyridine production according to claim 1, wherein the spraying mechanism comprises:
the two shunt tubes are rotatably arranged on the tank body, and the end parts of each shunt tube are communicated with the liquid inlet tube through rotary joints;
the spray heads are uniformly arranged on the shunt tubes.
3. The tail gas treatment device for producing 2-chloro-5-chloromethylpyridine according to claim 2, wherein the driving means comprises:
the two incomplete gears are respectively connected with one end of the two shunt tubes penetrating through the tank body;
the hydraulic cylinder is characterized in that teeth are arranged at the upper end and the lower end of a rack arranged at the end part of a piston rod of the hydraulic cylinder, and the rack is arranged between the two incomplete gears and meshed with the two incomplete gears.
4. The tail gas treatment device for 2-chloro-5-chloromethylpyridine production according to claim 1, wherein a connecting rod is vertically arranged below the grid plate, and an impeller is rotatably arranged at the lower end of the connecting rod.
5. The tail gas treatment device for producing 2-chloro-5-chloromethylpyridine according to claim 4, wherein the buffer member comprises:
the upper end of the supporting rod is connected with the lower surface of the grid mesh plate, and the lower end of the supporting rod is connected with a base arranged on the inner wall of the tank body in a sliding manner and is provided with a limiting boss after penetrating through the base;
and the spring is sleeved on the supporting rod between the base and the grid mesh plate.
6. The tail gas treatment device for 2-chloro-5-chloromethylpyridine production according to claim 1, wherein the stirring mechanism is arranged at the bottom of the absorption bin and comprises a motor and a stirring paddle arranged at the power output end of the motor.
7. The tail gas treatment device for 2-chloro-5-chloromethylpyridine production according to claim 6, wherein the blades of the stirring paddle are provided with through holes.
8. The tail gas treatment device for 2-chloro-5-chloromethylpyridine production according to claim 1, wherein valves are arranged on the gas inlet pipe and the liquid outlet pipe.
9. The tail gas treatment device for 2-chloro-5-chloromethylpyridine production according to any one of claims 1 to 8, wherein an access door is provided on the tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223368922.7U CN218981014U (en) | 2022-12-15 | 2022-12-15 | Tail gas treatment device for 2-chloro-5-chloromethylpyridine production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223368922.7U CN218981014U (en) | 2022-12-15 | 2022-12-15 | Tail gas treatment device for 2-chloro-5-chloromethylpyridine production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218981014U true CN218981014U (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223368922.7U Active CN218981014U (en) | 2022-12-15 | 2022-12-15 | Tail gas treatment device for 2-chloro-5-chloromethylpyridine production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218981014U (en) |
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2022
- 2022-12-15 CN CN202223368922.7U patent/CN218981014U/en active Active
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