CN217746445U - Tail gas absorbing device for triazinone preparation - Google Patents
Tail gas absorbing device for triazinone preparation Download PDFInfo
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- CN217746445U CN217746445U CN202222052578.4U CN202222052578U CN217746445U CN 217746445 U CN217746445 U CN 217746445U CN 202222052578 U CN202222052578 U CN 202222052578U CN 217746445 U CN217746445 U CN 217746445U
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- tail gas
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- absorption tank
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- triazinone
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model provides a tail gas absorbing device is used in triazone preparation, including the absorption tank, the absorption tank has first cavity, be equipped with intake pipe and outlet duct on the absorption tank, intake pipe and outlet duct communicate with first cavity respectively, be equipped with reservoir and spray assembly in the first cavity, the reservoir is located the bottom of first cavity, spray assembly is located the top of the junction of intake pipe and cavity, spray assembly includes mounting bracket and the rotatable shower head that sets up on the mounting bracket, the internal perisporium fixed connection of mounting bracket and absorption tank, still be equipped with on the absorption tank and communicate reservoir and shower head's first honeycomb duct and be equipped with first water pump on the first honeycomb duct. The utility model provides a technical problem that hydrogen chloride gas absorption efficiency is low when handling the tail gas that produces when preparing triazone, produced the technological effect that improves tail gas treatment efficiency, ensured simultaneously that the hydrochloric acid concentration that obtains satisfies the demand, but water economy resource in the time of reduction in production cost.
Description
Technical Field
The utility model relates to a triazinone production technical field especially relates to a triazinone preparation is with tail gas absorbing device.
Background
A large amount of tail gas can be generated in the production process of the triazone, the tail gas contains gases such as hydrogen chloride, carbon monoxide and carbon dioxide, and the tail gas can be discharged into the atmospheric environment after being treated to reach the standard, so that the environment is prevented from being polluted.
At present, an absorption tower is generally adopted to absorb tail gas generated in the process of preparing triazone, and water is injected into the absorption tower to absorb hydrogen chloride gas in the tail gas to prepare hydrochloric acid. However, the existing absorption tower usually adopts a mode of uninterruptedly injecting water and tail gas to absorb hydrogen chloride gas, and water is not fully contacted with the hydrogen chloride gas in the tail gas and is discharged out of the absorption tower, so that the efficiency of absorbing the hydrogen chloride gas in the tail gas by the existing absorption tower is low, the concentration of the obtained hydrochloric acid does not meet the requirement, and the obtained low-concentration hydrochloric acid needs to be concentrated subsequently, thereby increasing the extra cost and also causing water resource waste.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model provides a tail gas absorbing device is used in triazone preparation, it has solved the problem that hydrogen chloride gas absorption efficiency is low in the tail gas that exists among the prior art.
According to the utility model discloses an embodiment, a tail gas absorbing device is used in triazone preparation, including the tourie, the tourie has first cavity, be equipped with intake pipe and outlet duct on the tourie, the intake pipe reaches the outlet duct respectively with first cavity intercommunication, be equipped with reservoir and spray assembly in the first cavity, the reservoir is located the bottom of first cavity, spray assembly is located the intake pipe with the top of the junction of cavity, spray assembly includes that mounting bracket and rotatable setting are in shower head on the mounting bracket, the mounting bracket with the internal perisporium fixed connection of tourie, still be equipped with the intercommunication on the tourie the reservoir with the first honeycomb duct of shower head just be equipped with first water pump on the first honeycomb duct.
Furthermore, the shower head includes the body of rod, the body of rod is close to the one end interval of reservoir is equipped with a plurality of holes that spray, the body of rod is kept away from the one end of reservoir have with first honeycomb duct matched with connect just connect with the body of rod rotates to be connected.
Furthermore, a through hole for the rod body to pass through is formed in the mounting frame, and a bearing matched with the rod body is arranged in the through hole.
Further, be equipped with on the mounting bracket and order about the body of rod pivoted driving piece, the cover is equipped with first gear on the periphery wall of the body of rod, the output of driving piece be equipped with first gear engagement's second gear.
Furthermore, the mounting bracket is close to the one side of reservoir is equipped with the baffle, the baffle covers the cross section of tourie just be equipped with the confession on the baffle the via hole that the body of rod passed.
Furthermore, be equipped with a plurality ofly on the mounting bracket shower head and first honeycomb duct have a plurality of bleeder, the quantity of bleeder with the quantity of shower head is unanimous and the bleeder with the shower head one-to-one corresponds is connected.
Furthermore, a plurality of guide plates are arranged on the inner peripheral wall of the absorption tank at intervals, and the height of one end, far away from the inner peripheral wall of the absorption tank, of each guide plate is lower than the height of one end, connected with the inner peripheral wall of the absorption tank, of each guide plate.
Furthermore, be equipped with filtering component on the periphery wall of adsorption tank, filtering component includes the cover body and filter screen, the cover body with the periphery wall of adsorption tank encloses into the second cavity, the second cavity respectively with first cavity reaches the intake pipe intercommunication, the filter screen covers the second cavity with the intercommunication department of first cavity.
Furthermore, the device also comprises a liquid storage tank and a second flow guide pipe for communicating the liquid storage tank with the liquid storage tank, wherein a second water pump and a valve are arranged on the second flow guide pipe.
Furthermore, the quantity of absorption tank is a plurality of and a plurality of the absorption tank communicates in proper order, arbitrary adjacent two be equipped with the third honeycomb duct between the absorption tank, one in the both ends of third honeycomb duct and one of them the outlet duct intercommunication of absorption tank, the other end and another the intake pipe intercommunication of absorption tank.
Compared with the prior art, the utility model discloses following beneficial effect has: spraying water in the first cavity of storage tail gas in to the absorption tank through having adopted spray assembly, make water diffusion to in the first cavity and fully contact with the hydrogen chloride gas in the tail gas, and then ensure that the hydrogen chloride gas in the tail gas fully dissolves to the aquatic, water falls into the reservoir of absorption tank below back through first water pump and orders about the liquid in the reservoir and flow back to the shower head along first honeycomb duct and spray once more, circulate many times until the hydrochloric acid concentration in the reservoir reaches the demand, the technical problem that hydrogen chloride gas absorption efficiency is low in the tail gas has effectively been solved, the technological effect of improving tail gas treatment efficiency has been produced, ensure simultaneously that the hydrochloric acid concentration who obtains satisfies the demand, but water economy resource when reduction in production cost.
Drawings
FIG. 1 is a schematic structural view of an exhaust gas absorbing apparatus for triazinone production according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of an absorption tank in the tail gas absorption apparatus for triazineone production according to an embodiment of the present invention;
FIG. 3 is a sectional view of an absorption tank in the tail gas absorption apparatus for triazinone production according to an embodiment of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is an enlarged view at B in FIG. 3;
fig. 6 is a schematic view of a part of the structure of the tail gas absorbing device for preparing triazineone according to an embodiment of the present invention.
In the above drawings: 1. an absorption tank; 11. a first chamber; 12. a first draft tube; 13. a first water pump; 14. a branch pipe; 15. a baffle; 2. an air inlet pipe; 3. an air outlet pipe; 4. a liquid storage tank; 5. a spray assembly; 6. a mounting frame; 61. a bearing; 62. a drive member; 63. a second gear; 64. a partition plate; 7. a shower head; 71. a rod body; 72. spraying holes; 73. a joint; 74. a first gear; 8. a filter assembly; 81. a cover body; 82. filtering with a screen; 83. a second chamber; 9. a liquid storage tank; 91. a second draft tube; 92. a second water pump; 93. and (4) a valve.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 6, a tail gas absorbing device for triazineone preparation comprises an absorption tank 1, wherein the absorption tank 1 is provided with a first chamber 11 for containing tail gas generated in the triazineone preparation process, the absorption tank 1 is provided with an air inlet pipe 2 and an air outlet pipe 3 which are respectively communicated with the first chamber 11, the air inlet pipe 2 is used for injecting the tail gas generated in the triazineone preparation process into the first chamber 11, the air outlet pipe 3 is used for discharging the gas treated in the first chamber 11 out of the first chamber 11, a liquid storage tank 4 and a spraying assembly 5 are arranged in the first chamber 11, the liquid storage tank 4 is located at the bottom of the first chamber 11, the spraying assembly 5 is located above the joint of the air inlet pipe 2 and the first chamber 11, the spraying assembly 5 comprises a mounting frame 6 fixed on the wall of the absorption tank 1, a rotatable spray head 7 is arranged on the inner circumferential edge 6, the absorption tank 1 is further provided with a first liquid storage tank 4 and the spray head 12, and a first guide pipe 12 for pumping the liquid in the liquid storage tank 4 into the spray head 7 is arranged on the first guide pipe 12.
Specifically, the working process of the tail gas absorbing device for preparing triazinone provided by this embodiment is as follows: firstly, water is injected into the liquid storage tank 4, tail gas generated in the process of preparing triazone is injected into the first chamber 11 through the air inlet pipe 2, then the first water pump 13 is started, water in the liquid storage tank 4 flows into the spray header 7 along the first guide pipe 12 and is sprayed into the first chamber 11 through the rotation of the spray header 7, the water drops under the action of gravity after being sprayed out from the spray header 7, the water is contacted with the tail gas in the first chamber 11 in the dropping process to dissolve hydrogen chloride gas in the tail gas into the water, the water is ensured to be fully contacted with the hydrogen chloride gas in the tail gas to improve the tail gas treatment efficiency, the liquid obtained after absorbing the hydrogen chloride gas by the water falls into the liquid storage tank 4 and is pumped into the spray header 7 again for spraying, and sufficient water resource is ensured to be dissolved in the water through a plurality of circulations to obtain hydrochloric acid with required concentration, so that the cost required by subsequent hydrochloric acid concentration is saved and the hydrochloric acid is saved.
Referring to fig. 3 and 4, the spray head 7 includes a rod body 71, a plurality of spray holes 72 are formed at an interval at one end of the rod body 71 close to the liquid storage tank 4, a connector 73 is formed at an end of the rod body 71 far from the liquid storage tank 4, the connector 73 is rotatably connected to the rod body 71, and the connector 73 is matched with the first flow guide pipe 12, so as to ensure that the liquid flowing out of the first flow guide pipe 12 accurately falls into the rod body 71, and the liquid is dispersed and sprayed out from the spray holes 72 along with the rotation of the rod body 71, so that the liquid is uniformly diffused into the first chamber 11, and the liquid is fully contacted with the hydrogen chloride gas in the exhaust gas.
In detail, be equipped with the confession on the mounting bracket 6 the through-hole that the body of rod 71 passed, be equipped with in the through-hole with body of rod 71 matched with bearing 61 so that the body of rod 71 can for the mounting bracket 6 smoothly rotates, just still be equipped with on the mounting bracket 6 and be used for ordering about shower head 7 pivoted driving piece 62, be equipped with first gear 74 on the periphery wall of the body of rod 71, the output of driving piece 62 is equipped with second gear 63, first gear 74 with the meshing of second gear 63 starts driving piece 62 orders about first gear 74 rotates and can drive second gear 63 rotates, thereby the drive the body of rod 71 rotates, makes liquid in the body of rod 71 along with the rotation of the body of rod 71 passes spray hole 72 realizes spraying of liquid.
As shown in fig. 4, in order to prevent the spraying assembly 5 from being corroded by the gas in the exhaust gas, a partition plate 64 is disposed on one surface of the mounting frame 6 close to the liquid storage tank 4, the partition plate 64 covers the cross section of the absorption tank 1 to separate the spraying assembly 5 from the portion of the first chamber 11 storing the exhaust gas, and a through hole for the portion of the rod body 71 having the spraying hole 72 to pass through is disposed on the partition plate 64, so that the normal operation of the spraying assembly 5 is ensured, the spraying assembly 5 is prevented from being damaged by a part of components in the exhaust gas, and the service life of the exhaust gas absorption device for preparing triazone is prolonged.
Referring to fig. 3, a plurality of spray heads 7 are disposed on the mounting frame 6, the plurality of spray heads 7 are spaced on the mounting frame 6, one end of the first flow guide pipe 12 close to the spray assembly 5 is provided with a plurality of branch pipes 14, the number of the branch pipes 14 is the same as that of the spray heads 7, the branch pipes 14 are connected with the spray heads 7 in a one-to-one correspondence manner, so that liquid in the first flow guide pipe 12 can enter the spray heads 7 respectively, and the spray heads 7 act to spray liquid into the first chamber 11 at the same time, thereby ensuring that the liquid is fully diffused into a space for storing tail gas in the first chamber 11, and the liquid is fully contacted with the tail gas.
Preferably, a plurality of flow guide plates 15 are arranged on the inner peripheral wall of the absorption tank 1 at intervals, the flow guide plates 15 are located below the connection position of the air inlet pipe 2 and the first chamber 11 and above the liquid storage tank 4, the height of one end, away from the inner peripheral wall of the absorption tank 1, of each flow guide plate 15 is lower than that of one end, connected with the inner peripheral wall of the absorption tank 1, of each flow guide plate 15, and after the liquid in the first chamber 11 falls onto the flow guide plates 15, the liquid can move along the flow guide plates 15 under the action of gravity, so that the retention time of the liquid in the first chamber 11 is prolonged, the hydrogen chloride gas is ensured to be dissolved into the liquid as much as possible, and the falling liquid is enabled to fall into the liquid storage tank 4 in a centralized manner.
Referring to fig. 2, 3 and 5, in order to prevent solid impurities in the exhaust gas from entering the absorption tank 1, a filter assembly 8 is disposed on an outer peripheral wall of the absorption tank 1, the filter assembly 8 includes a cover 81 and a filter screen 82, the cover 81 is fixed on the outer peripheral wall of the absorption tank 1 and encloses a second chamber 83 with the outer peripheral wall of the absorption tank 1, the second chamber 83 is respectively communicated with the first chamber 11 and the intake pipe 2, and the filter screen 82 covers a communication position of the second chamber 83 and the first chamber 11. The tail gas input by the gas inlet pipe 2 firstly enters the second chamber 83, passes through the filter screen 82 and then enters the first chamber 11, so that solid impurities in the tail gas are blocked in the second chamber 83, and the purity of the obtained hydrochloric acid is promoted.
As shown in fig. 1 and 6, the tail gas absorbing device for preparing triazineone further comprises a liquid storage tank 9 and a second flow guide pipe 91, the liquid storage tank 4 is communicated with the liquid storage tank 9 through the second flow guide pipe 91, and a second water pump 92 for driving liquid in the liquid storage tank 4 to flow into the liquid storage tank 9 and a valve 93 for controlling the second flow guide pipe 91 to be switched on and off are arranged on the second flow guide pipe 91. After the hydrogen chloride gas in the tail gas in the absorption tank 1 is absorbed, the valve 93 and the second water pump 92 can be sequentially opened, so that the liquid in the liquid storage tank 4 flows into the liquid storage tank 9, and the obtained hydrochloric acid can be conveniently treated and stored in the follow-up process.
Referring to fig. 1, in this embodiment, the tail gas absorption device for triazineone preparation includes three absorption tanks 1 that are sequentially communicated, a third flow guide pipe is disposed between any two adjacent absorption tanks 1, and the third flow guide pipe is configured to communicate an air outlet pipe 3 of one of the absorption tanks 1 with an air inlet pipe 2 of the other absorption tank 1, and the three absorption tanks 1 sequentially absorb hydrogen chloride gas in tail gas, so that the hydrogen chloride gas in the tail gas is completely dissolved in water, and the tail gas is effectively treated. And the three absorption tanks 1 are respectively communicated with the liquid storage tank 9 through the second guide pipe 91, and after the tail gas treatment is finished, the liquid in the three absorption tanks 1 can be concentrated into the liquid storage tank 9, so that the subsequent treatment steps are simplified.
Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a tail gas absorbing device is used in triazone preparation, includes the absorption tank, the absorption tank has first cavity, be equipped with intake pipe and outlet duct on the absorption tank, the intake pipe reaches the outlet duct respectively with first cavity intercommunication, its characterized in that: be equipped with reservoir and spray assembly in the first cavity, the reservoir is located the bottom of first cavity, spray assembly is located the intake pipe with the top of the junction of cavity, spray assembly includes that mounting bracket and rotatable setting are in shower head on the mounting bracket, the mounting bracket with the internal perisporium fixed connection of adsorption tank, still be equipped with the intercommunication on the adsorption tank the reservoir with the first honeycomb duct of shower head just be equipped with first water pump on the first honeycomb duct.
2. A tail gas absorbing device for triazinone preparation according to claim 1, wherein: the spray header comprises a rod body, a plurality of spray holes are formed in the end, close to the liquid storage tank, of the rod body at intervals, one end, far away from the liquid storage tank, of the rod body is provided with a connector matched with the first flow guide pipe, and the connector is rotatably connected with the rod body.
3. The tail gas absorbing device for triazinone production according to claim 2, wherein: the mounting frame is provided with a through hole for the rod body to pass through, and a bearing matched with the rod body is arranged in the through hole.
4. The tail gas-absorbing device for triazinone production according to claim 3, wherein: be equipped with on the mounting bracket and order about the body of rod pivoted driving piece, the cover is equipped with first gear on the periphery wall of the body of rod, the output of driving piece be equipped with first gear engagement's second gear.
5. A tail gas absorbing device for triazinone preparation according to claim 2, wherein: the mounting bracket is close to the one side of reservoir is equipped with the baffle, the baffle covers the cross section of absorption tank just be equipped with the confession on the baffle the via hole that the body of rod passed.
6. A tail gas absorbing device for triazinone preparation according to claim 1, wherein: the mounting frame is provided with a plurality of spray headers and a first flow guide pipe which is provided with a plurality of branch pipes, the number of the branch pipes is consistent with that of the spray headers, and the branch pipes are correspondingly connected with the spray headers one by one.
7. A tail gas absorbing device for triazinone preparation according to claim 1, wherein: the height of one end of the guide plate, which is far away from the inner peripheral wall of the absorption tank, is lower than the height of one end of the guide plate, which is connected with the inner peripheral wall of the absorption tank.
8. A tail gas absorbing device for triazinone preparation according to claim 1, wherein: the filter assembly is arranged on the peripheral wall of the absorption tank and comprises a cover body and a filter screen, the cover body and the peripheral wall of the absorption tank are enclosed to form a second cavity, the second cavity is communicated with the first cavity and the air inlet pipe respectively, and the filter screen covers the second cavity and the communication position of the first cavity.
9. A tail gas absorbing device for triazinone preparation according to claim 1, wherein: the liquid storage tank is communicated with a second guide pipe of the liquid storage tank, and a second water pump and a valve are arranged on the second guide pipe.
10. A tail gas absorbing device for triazinone preparation according to claim 1, wherein: the quantity of absorption tank is a plurality of and a plurality of the absorption tank communicates in proper order, arbitrary adjacent two be equipped with the third honeycomb duct between the absorption tank, one in the both ends of third honeycomb duct and one of them the outlet duct intercommunication of absorption tank, the other end and another the intake pipe intercommunication of absorption tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222052578.4U CN217746445U (en) | 2022-08-02 | 2022-08-02 | Tail gas absorbing device for triazinone preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222052578.4U CN217746445U (en) | 2022-08-02 | 2022-08-02 | Tail gas absorbing device for triazinone preparation |
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| CN217746445U true CN217746445U (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222052578.4U Active CN217746445U (en) | 2022-08-02 | 2022-08-02 | Tail gas absorbing device for triazinone preparation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117101354A (en) * | 2023-08-24 | 2023-11-24 | 岳阳隆兴实业有限公司 | Method for treating chlorobutane tail gas of liquid storage tank and application of method |
-
2022
- 2022-08-02 CN CN202222052578.4U patent/CN217746445U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117101354A (en) * | 2023-08-24 | 2023-11-24 | 岳阳隆兴实业有限公司 | Method for treating chlorobutane tail gas of liquid storage tank and application of method |
| CN117101354B (en) * | 2023-08-24 | 2024-02-20 | 岳阳隆兴实业有限公司 | Method for treating chlorobutane tail gas of liquid storage tank and application of method |
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