CN211963711U - Tail gas treatment absorption tower for chlorinated paraffin production - Google Patents
Tail gas treatment absorption tower for chlorinated paraffin production Download PDFInfo
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- CN211963711U CN211963711U CN202020316579.3U CN202020316579U CN211963711U CN 211963711 U CN211963711 U CN 211963711U CN 202020316579 U CN202020316579 U CN 202020316579U CN 211963711 U CN211963711 U CN 211963711U
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- absorption tower
- tail gas
- pipe
- air inlet
- chlorinated paraffin
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Abstract
The utility model discloses a tail gas treatment absorption tower is used in chlorinated paraffin production, including last absorption tower casing, well absorption tower casing and lower absorption tower casing, go up between absorption tower casing and the well absorption tower casing and all through bolt fixed connection between well absorption tower casing and the lower absorption tower casing, the inside of going up absorption tower casing, well absorption tower casing and lower absorption tower casing all is provided with the annular tube, is provided with the shower nozzle on the annular tube, and the annular tube is linked together with the one end of bronchus. The utility model discloses an absorption tower casing, well absorption tower casing, lower absorption tower casing, toroidal tube, shower nozzle, buffer board, inlet port, perforated plate and two inlet branch pipe are gone up in the setting, and tertiary absorption makes hydrochloric acid in the tail gas can thoroughly be retrieved, and gets into the tail gas speed in the tower and slows down through the buffer board, and the perforated plate makes tail gas can evenly spread all over more in the absorption tower, improves the contact time of water and gas, and then improves the recovery effect of tail gas.
Description
Technical Field
The utility model relates to a chlorinated paraffin production facility technical field specifically is a tail gas treatment absorption tower is used in chlorinated paraffin production.
Background
The chlorinated paraffin is chlorinated derivative of paraffin, has the advantages of low volatility, flame retardance, good electrical insulation, low price and the like, can be used as a flame retardant and a polyvinyl chloride auxiliary plasticizer, the chlorinated paraffin 70 is white or light yellow powder or particle, has excellent flame retardance, chemical resistance, intermiscibility, aging resistance and thermal stability due to almost complete saturation of a chemical structure, is an additive type flame retardant with excellent comprehensive performance, can be widely applied to products such as rubber, plastic, paint, adhesive and the like, can be used as flame retardants of flame retardant conveyor belts, flame retardant cable materials, fireproof paint, polyester, resin glass fiber reinforced plastics, ABS, polystyrene, polyethylene, epoxy resin and the like, can be used as a fireproof additive of printing ink, a modifier of the papermaking industry, can also be used in the industrial fields such as fiber and the like, can be used as a plasticizer, a fabric surface treating agent and the like, and has wide application, the tail gas discharged by the chlorinated paraffin in the production process needs to be treated by an absorption tower to recover hydrogen chloride and unreacted chlorine in the tail gas, but the existing absorption tower has poor recovery effect, the tail gas flow rate is too high, and the contact between the tail gas and a water body is not complete enough, so that the prior art needs to be improved to solve the problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
An object of the utility model is to provide a tail gas treatment absorption tower is used in chlorinated paraffin production to solve the current absorption tower recovery effect that proposes in the above-mentioned background art poor, the exhaust flow is too fast, the not complete problem inadequately of tail gas and water contact.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a tail gas treatment absorption tower for chlorinated paraffin production comprises an upper absorption tower shell, a middle absorption tower shell and a lower absorption tower shell, wherein the upper absorption tower shell and the middle absorption tower shell are fixedly connected with each other through bolts, annular pipes are arranged inside the upper absorption tower shell, the middle absorption tower shell and the lower absorption tower shell, a spray head is arranged on each annular pipe, each annular pipe is communicated with one end of a branch pipe, the other end of each branch pipe is communicated with a main water pipe, the end part of each main water pipe is fixedly connected with an outlet of a water pump, an inlet of the water pump is fixedly connected with an outlet of a water tank through a pipeline, an air outlet pipe is arranged at the upper end of the side surface of the upper absorption tower shell, an air inlet branch pipe is arranged at the lower end of the side surface of the lower absorption tower shell and communicated with an air inlet main pipe, and the air inlet main pipe is provided with a flowmeter and an exhaust fan along the airflow direction.
Preferably, the spray heads are arranged in sixteen, eight uniformly arranged on the top surface of the annular pipe along the circumference, and eight uniformly arranged on the bottom surface of the annular pipe along the circumference.
Preferably, the spray head is provided as a rotary spray head.
Preferably, the number of the air inlet branch pipes is two, and the two air inlet branch pipes are symmetrically arranged along the central line of the lower absorption tower shell.
Preferably, a buffer plate is fixed below the annular pipe in the lower absorption tower shell, an air inlet hole is formed in the side face of the buffer plate, and a porous plate is fixed at the top of the buffer plate.
Preferably, the air inlet holes are provided with a plurality of air inlet holes, and the plurality of air inlet holes are uniformly arranged on the peripheral side surface of the buffer plate along the circumference.
Preferably, the buffer board sets up to the type of falling U, just the top surface of buffer board sets up to the cambered surface.
Preferably, the bottom of the lower absorption tower shell is fixedly connected with one end of a hydrochloric acid conveying pipe, and the other end of the hydrochloric acid conveying pipe is fixedly connected with an inlet of a hydrochloric acid recovery storage tank.
(III) advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses an absorption tower casing, well absorption tower casing, lower absorption tower casing, toroidal tube and shower nozzle are gone up in the setting, and tertiary absorption makes hydrochloric acid in the tail gas can be thoroughly retrieved, and the top surface and the bottom surface of toroidal tube all set up a plurality of shower nozzles for water physical stamina thoroughly scatters in the absorption tower, and then improves the absorption effect.
(2) The utility model discloses a set up the flowmeter, confirm the volume of water according to the volume of tail gas, avoid the water too little, chlorine hydride and unreacted chlorine in the recovery gas that can not be thorough, the water is too much, and water waste is serious.
(3) The utility model discloses a set up buffer board, inlet port, perforated plate and two inlet branch, two strands of tail gases are strikeed each other in getting into the absorption tower, and then slow down the velocity of flow, and after strikeing each other, gaseous can be scattered four times and come, and the buffer board further makes the speed of tail gas slow down, and the perforated plate makes tail gas can evenly distribute all over more in the absorption tower, improves the contact time of water and gas, and then improves the recovery effect of tail gas.
Drawings
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is a top view of the ring pipe of the present invention;
fig. 3 is a top view of the connection structure of the air inlet main pipe of the present invention.
The reference numbers in the figures are: 1. an upper absorber column shell; 2. a middle absorber shell; 3. a lower absorber shell; 4. a bolt; 5. an annular tube; 6. a spray head; 7. a branch water pipe; 8. a main water pipe; 9. a water pump; 10. a water tank; 11. an air outlet pipe; 12. a hydrochloric acid conveying pipe; 13. a hydrochloric acid recovery storage tank; 14. an intake branch pipe; 15. an exhaust fan; 16. a main air inlet pipe; 17. a flow meter; 18. a buffer plate; 19. an air inlet; 20. a multi-well plate.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: a tail gas treatment absorption tower for chlorinated paraffin production comprises an upper absorption tower shell 1, a middle absorption tower shell 2 and a lower absorption tower shell 3, wherein the upper absorption tower shell 1 and the middle absorption tower shell 2 are fixedly connected with each other through bolts 4, hydrochloric acid in tail gas can be thoroughly recovered through three-stage absorption, the absorption tower is convenient to disassemble and maintain, annular pipes 5 are arranged inside the upper absorption tower shell 1, the middle absorption tower shell 2 and the lower absorption tower shell 3, a spray head 6 is arranged on each annular pipe 5, each annular pipe 5 is communicated with one end of a branch water pipe 7, the other end of each branch water pipe 7 is communicated with a main water pipe 8, the end part of each main water pipe 8 is fixedly connected with an outlet of a water pump 9, an inlet of the water pump 9 is fixedly connected with an outlet of a water tank 10 through a pipeline, an air outlet pipe 11 is arranged at the upper end of the side surface of the upper absorption tower shell 1, an air inlet branch pipe 14 is arranged at the lower end of the side surface of the lower absorption tower shell 3, the air inlet branch pipe 14 is communicated with an air inlet main pipe 16, and a flow meter 17 and an exhaust fan 15 are respectively arranged on the air inlet main pipe 16 along the airflow direction.
The inlet branch pipe 14 is provided with two, and two inlet branch pipes 14 are along the central line symmetry setting of lower absorption tower casing 3, and two strands of tail gas are mutually strikeed in getting into the absorption tower, and then slow down the velocity of flow, and the below of the inside ring pipe 5 of lower absorption tower casing 3 is fixed with buffer board 18, and the side of buffer board 18 is provided with inlet port 19, and the top of buffer board 18 is fixed with perforated plate 20, and perforated plate 20 makes tail gas can more evenly spread all over in the absorption tower.
The inlet port 19 is provided with a plurality of, and a plurality of inlet port 19 evenly sets up on the side all around of buffer board 18 along the circumference, and the setting of a plurality of inlet port 19 can disperse tail gas, and then makes the better that tail gas and water can contact.
The bottom of the lower absorption tower shell 3 is fixedly connected with one end of a hydrochloric acid conveying pipe 12, and the other end of the hydrochloric acid conveying pipe 12 is fixedly connected with an inlet of a hydrochloric acid recovery storage tank 13.
The working principle is as follows: under the effect of air exhauster 15, pending tail gas is responsible for 16 entering into air intake branch pipe 14 through the air admission, then in air intake branch pipe 14 gets into absorption tower casing 3 down, two strands of tail gas are absorbing tower casing 3 internal impact each other under getting into, and then slow down the velocity of flow, and after impacting each other, gas can be scattered all around, buffer board 18 further makes the speed of tail gas slow down, perforated plate 20 makes tail gas can evenly spread all over in the absorption tower more, spray water body through shower nozzle 6, make water body can thoroughly scatter in the absorption tower, tertiary hydrogen chloride and unreacted chlorine in thoroughly retrieving tail gas of absorption.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a tail gas treatment absorption tower is used in chlorinated paraffin production, includes absorption tower casing (1), well absorption tower casing (2) and lower absorption tower casing (3), its characterized in that: the upper absorption tower shell (1) and the middle absorption tower shell (2) are fixedly connected with each other through bolts (4), the upper absorption tower shell (1), the middle absorption tower shell (2) and the lower absorption tower shell (3) are internally provided with annular pipes (5), the annular pipes (5) are provided with spray heads (6), the annular pipes (5) are communicated with one ends of branch water pipes (7), the other ends of the branch water pipes (7) are communicated with a main water pipe (8), the end part of the main water pipe (8) is fixedly connected with an outlet of a water pump (9), an inlet of the water pump (9) is fixedly connected with an outlet of a water tank (10) through a pipeline, the upper end of the side surface of the upper absorption tower shell (1) is provided with an air outlet pipe (11), the lower end of the side surface of the lower absorption tower shell (3) is provided with an air inlet branch pipe (14), the air inlet branch pipe (14) is communicated with an air inlet main pipe (16), and a flow meter (17) and an exhaust fan (15) are respectively arranged on the air inlet main pipe (16) along the airflow direction.
2. The tail gas treatment absorption tower for chlorinated paraffin production according to claim 1, characterized in that: shower nozzle (6) are provided with sixteen, eight shower nozzle (6) evenly set up on the top surface of annular pipe (5) along the circumference, eight shower nozzle (6) evenly set up on the bottom surface of annular pipe (5) along the circumference.
3. The tail gas treatment absorption tower for chlorinated paraffin production according to claim 1, characterized in that: the spray head (6) is set to be a rotary spray head.
4. The tail gas treatment absorption tower for chlorinated paraffin production according to claim 1, characterized in that: the two air inlet branch pipes (14) are arranged, and the two air inlet branch pipes (14) are symmetrically arranged along the central line of the lower absorption tower shell (3).
5. The tail gas treatment absorption tower for chlorinated paraffin production according to claim 1, characterized in that: a buffer plate (18) is fixed below the annular pipe (5) in the lower absorption tower shell (3), an air inlet hole (19) is formed in the side face of the buffer plate (18), and a porous plate (20) is fixed at the top of the buffer plate (18).
6. The tail gas treatment absorption tower for chlorinated paraffin production according to claim 5, characterized in that: the air inlet holes (19) are provided with a plurality of air inlet holes, and the air inlet holes (19) are uniformly arranged on the peripheral side surface of the buffer plate (18) along the circumference.
7. The tail gas treatment absorption tower for chlorinated paraffin production according to claim 5, characterized in that: the buffer plate (18) is arranged to be of an inverted U shape, and the top surface of the buffer plate (18) is arranged to be an arc surface.
8. The tail gas treatment absorption tower for chlorinated paraffin production according to claim 1, characterized in that: the bottom of the lower absorption tower shell (3) is fixedly connected with one end of a hydrochloric acid conveying pipe (12), and the other end of the hydrochloric acid conveying pipe (12) is fixedly connected with an inlet of a hydrochloric acid recovery storage tank (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020316579.3U CN211963711U (en) | 2020-03-15 | 2020-03-15 | Tail gas treatment absorption tower for chlorinated paraffin production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020316579.3U CN211963711U (en) | 2020-03-15 | 2020-03-15 | Tail gas treatment absorption tower for chlorinated paraffin production |
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| Publication Number | Publication Date |
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| CN211963711U true CN211963711U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020316579.3U Active CN211963711U (en) | 2020-03-15 | 2020-03-15 | Tail gas treatment absorption tower for chlorinated paraffin production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832607A (en) * | 2022-05-19 | 2022-08-02 | 无锡海飞凌半导体材料有限公司 | High-efficient dechlorination system of tail gas |
| CN115155296A (en) * | 2022-06-09 | 2022-10-11 | 邓晓婷 | Industrial flue gas desulfurization device and desulfurization method |
-
2020
- 2020-03-15 CN CN202020316579.3U patent/CN211963711U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832607A (en) * | 2022-05-19 | 2022-08-02 | 无锡海飞凌半导体材料有限公司 | High-efficient dechlorination system of tail gas |
| CN115155296A (en) * | 2022-06-09 | 2022-10-11 | 邓晓婷 | Industrial flue gas desulfurization device and desulfurization method |
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