CN212731695U - Epichlorohydrin tail gas recovery device - Google Patents
Epichlorohydrin tail gas recovery device Download PDFInfo
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- CN212731695U CN212731695U CN202021207609.3U CN202021207609U CN212731695U CN 212731695 U CN212731695 U CN 212731695U CN 202021207609 U CN202021207609 U CN 202021207609U CN 212731695 U CN212731695 U CN 212731695U
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- epichlorohydrin
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Abstract
The utility model discloses an epichlorohydrin tail gas recovery unit belongs to tail gas processing apparatus technical field, this epichlorohydrin tail gas recovery unit, including epichlorohydrin concentration detection appearance, alarm device, warning bee calling organ and status indicator lamp, the right-hand member of epichlorohydrin concentration detection appearance is provided with alarm device, alarm device's left end and the right-hand member fixed connection of epichlorohydrin concentration detection appearance, alarm device's inside is provided with warning bee calling organ, warning bee calling organ's outer wall and alarm device's outer wall fixed connection, warning bee calling organ's right-hand member fixed mounting has status indicator lamp. It is right through the status indicator lamp the utility model discloses an operating condition observes, and epichlorohydrin concentration surpasss in the air the utility model discloses a during the processing concentration, alarm device can control warning buzzer and send out the police dispatch newspaper to the impurity in the tail gas can be clear away to the retort, can realize the recovery of epichlorohydrin through retrieving the jar.
Description
Technical Field
The utility model belongs to the technical field of the tail gas processing apparatus, concretely relates to epichlorohydrin tail gas recovery unit.
Background
Epichlorohydrin, also known as 3-chloro-1, 2-epoxypropane, commonly known as epichlorohydrin, abbreviated to EPI or ECH, is a colorless liquid, organic compound with chloroform-like odor, boiling point 116.11 ℃ (101.3kPa), and is an important organic synthetic raw material and intermediate. Can be used for producing epoxy resin and can be used as a diluent of the epoxy resin. Also useful for the manufacture of glycerin, nitroglycerin explosives, glass reinforced plastics, glycerol methacrylate, epichlorohydrin rubbers, glycidyl derivatives, surfactants, electrical insulation articles, and the like. Is also a common raw material for manufacturing products such as various adhesives, medicines, pesticides, plasticizers, ion exchange resins and the like. And as solvents for adhesives, coatings, paints, rubbers, resins, cellulose esters, cellulose ethers, and the like. Toxic, it is moderately toxic, and animal experiments prove that it has potential carcinogenic effect and should avoid long-term contact.
Common tail gas recovery device can not detect the epichlorohydrin concentration of tail gas, avoids epoxy chloropropane concentration too big in the air, makes tail gas recovery device transship, damages the device, and there is impurity in the epoxy chloropropane that traditional tail gas recovery device retrieved, can not directly use, for this reason, we propose an epoxy chloropropane tail gas recovery device and solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an epichlorohydrin tail gas recovery device to propose a present epichlorohydrin tail gas recovery device in solving above-mentioned background art in the use, owing to can not detect the epichlorohydrin concentration of tail gas, and there is impurity in the epichlorohydrin that traditional tail gas recovery device retrieved, thereby makes tail gas recovery device transship, damages the device, and the problem that the epichlorohydrin of retrieving can not the direct use.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an epichlorohydrin tail gas recovery unit, includes epichlorohydrin concentration detection appearance, epichlorohydrin concentration detection appearance's right-hand member is provided with alarm device, alarm device's left end and epichlorohydrin concentration detection appearance's right-hand member fixed connection, alarm device's inside is provided with warning bee calling organ, warning bee calling organ's outer wall and alarm device's outer wall fixed connection, warning bee calling organ's right-hand member fixed mounting has status indicator lamp.
Preferably, a reaction tank is arranged outside the alarm device, the outer wall of the reaction tank is fixedly connected with the outer wall of the alarm device, an air inlet hole is formed in the bottom of the reaction tank, an air inlet pipe is arranged inside the air inlet hole, and the outer wall of the air inlet pipe is fixedly connected with the inner wall of the air inlet hole.
Preferably, the inside of retort is provided with the catalysis groove, the outer wall in catalysis groove and the inner wall fixed connection of retort, the top fixed mounting in catalysis groove has alkali lye sprayer, the right-hand member fixed mounting of alkali lye sprayer has first condensing plate, the right-hand member of first condensing plate is provided with first condenser, the outer wall of first condenser and the inner wall joint of retort.
Preferably, the top of first condenser is provided with the compressor, the outer wall of compressor and the inner wall joint of retort, the tail gas pocket has been seted up at the top of retort, the inside in tail gas pocket is provided with the tail gas pipeline, the one end outer wall of tail gas pipeline and the inner wall joint of tail gas pocket.
Preferably, the inside of tail gas pipeline is provided with the fan, the outer wall of fan and tail gas pipeline's inner wall joint, the bottom of fan is provided with the filter screen, the outer wall of filter screen and tail gas pipeline's inner wall joint.
Preferably, the other end fixed mounting of tail gas pipeline has the recovery jar, the inside of retrieving the jar is provided with the second condenser, the outer wall of second condenser and the inner wall fixed connection who retrieves the jar, the bottom fixed mounting of second condenser has the second condensing plate, the access hole has been seted up to the bottom of retrieving the jar, the inner wall of access hole and the outer wall swing joint of access door.
Preferably, the bottom of the second condensation plate is provided with a collecting tank, the outer wall of the collecting tank is fixedly connected with the inner wall of the recovery tank, and the top of the recovery tank is fixedly provided with an exhaust pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
1. can detect epichlorohydrin concentration in the air through epichlorohydrin concentration detection appearance, alarm device can control warning bee calling organ and send out the police dispatch newspaper in order to warn the staff, avoids the too high messenger's of epichlorohydrin concentration device to transship, damages the device to and the too high personal safety that threatens the staff of epichlorohydrin concentration, and the status indicator can observe the operating condition of this device.
2. Impurity in the tail gas can be got rid of through the retort, and organic matter impurity in the tail gas can be got rid of to inside catalytic tank of retort and alkali lye spray thrower, and the recovery of epichlorohydrin can be realized to the second condenser, through first condenser and second condenser, improves the rate of recovery of epichlorohydrin, and the tail gas after handling can directly discharge.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the reaction tank of the present invention;
FIG. 3 is a schematic view of the internal structure of the exhaust gas pipe of the present invention;
fig. 4 is a schematic view of the internal structure of the recycling tank of the present invention.
In the figure: 1. an air inlet pipe; 2. a reaction tank; 3. an exhaust gas pipeline; 301. a fan; 302. a filter screen; 4. a recovery tank; 5. an exhaust pipe; 6. an epichlorohydrin concentration detector; 7. an alarm device; 8. an alarm buzzer; 9. a status indicator light; 10. an access door; 11. a second condenser; 12. a second cold plate; 13. collecting tank; 14. an alkali liquor sprayer; 15. a compressor; 16. a catalytic tank; 17. a first condenser; 18. a first cold 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. 1-4, the present invention provides a technical solution: the utility model provides an epichlorohydrin tail gas recovery unit, includes epichlorohydrin concentration detection appearance 6, and the right-hand member of epichlorohydrin concentration detection appearance 6 is provided with alarm device 7, and alarm device 7's left end and epichlorohydrin concentration detection appearance 6's right-hand member fixed connection, alarm device 7's inside is provided with warning buzzer 8, and warning buzzer 8's outer wall and alarm device 7's outer wall fixed connection, and warning buzzer 8's right-hand member fixed mounting has status indicator lamp 9.
In this embodiment, it is right through status indicator lamp 9 the utility model discloses an operating condition observes, and epichlorohydrin concentration surpasss in the air the utility model discloses a during the processing concentration, alarm device 7 can control warning bee calling organ 8 and send the police dispatch newspaper, and alarm device 7 can control warning bee calling organ 8 and send the police dispatch newspaper in order to warn the staff, avoids the too high messenger device of epichlorohydrin concentration to transship, damages the device.
Specifically, the outside of alarm device 7 is provided with retort 2, the outer wall of retort 2 and alarm device 7's outer wall fixed connection, and the inlet port has been seted up to retort 2's bottom, and the inside of inlet port is provided with intake pipe 1, the outer wall of intake pipe 1 and the inner wall fixed connection of inlet port.
In this embodiment, the exhaust gas can be transported to the inside of the reaction tank 2 through the intake pipe 1 to be recovered.
Specifically, retort 2's inside is provided with catalysis groove 16, catalysis groove 16's outer wall and retort 2's inner wall fixed connection, catalysis groove 16's top fixed mounting has alkali lye spray thrower 14, and alkali lye spray thrower 14's right-hand member fixed mounting has first condensation plate 18, and the right-hand member of first condensation plate 17 is provided with first condenser 17, the outer wall of first condenser 17 and retort 2's inner wall joint.
In this embodiment, a part of organic impurities in the tail gas is catalyzed by the catalytic tank 16 to be converted into carbon dioxide and water, the organic impurities are further removed by the alkali sprayer 14, and a part of epichlorohydrin is condensed and recovered by the first condenser 17.
Specifically, the top of first condenser 18 is provided with compressor 15, and the outer wall of compressor 15 and retort 2's inner wall joint have been seted up at retort 2's top to the tail gas pocket, and the inside in tail gas pocket is provided with tail gas pipeline 3, and the one end outer wall of tail gas pipeline 3 and the inner wall joint in tail gas pocket.
In this embodiment, the compressor 15 compresses the tail gas to increase the gas pressure thereof, so that the tail gas can be conveyed to the interior of the recovery tank 4 through the tail gas pipeline 3.
Specifically, the inside of exhaust gas duct 3 is provided with fan 301, and fan 301's outer wall and exhaust gas duct 3's inner wall joint, fan 301's bottom are provided with filter screen 302, and filter screen 302's outer wall and exhaust gas duct 3's inner wall joint.
In this embodiment, the tail gas is conveyed by the blower 301, and other impurities such as dust are filtered in the filter screen 302.
Specifically, the other end fixed mounting of tail gas pipeline 3 has recovery tank 4, and the inside of recovering tank 4 is provided with second condenser 11, the outer wall of second condenser 11 and the inner wall fixed connection who retrieves tank 4, and the bottom fixed mounting of second condenser 11 has second condensing plate 12, and the access hole has been seted up to the bottom of retrieving tank 4, the inner wall of access hole and the outer wall swing joint of access door 10.
In this embodiment, the second condenser 11 further recovers the epichlorohydrin, improves the recovery efficiency of the epichlorohydrin, and can inspect the recovery tank 4 through the access door 10 to recover the epichlorohydrin.
Specifically, the bottom of second condensing plate 12 is provided with collecting vat 13, and collecting vat 13's outer wall and the inner wall fixed connection who retrieves jar 4, the top fixed mounting who retrieves jar 4 has blast pipe 5.
In this embodiment, the remaining epichlorohydrin is collected by the collecting tank 13, and the exhaust gas is discharged to the air through the exhaust pipe 5 after being treated.
The utility model discloses a theory of operation and use flow: the working state of the utility model is observed through the state indicator lamp 9, when the concentration of the epoxy chloropropane in the air exceeds the processing concentration of the utility model, the alarm device 7 can control the alarm buzzer 8 to send out an alarm, the tail gas enters the reaction tank 2 through the air inlet pipe 1, the first condenser 17 condenses and recovers part of the epoxy chloropropane, the catalysis tank 16 catalyzes part of organic impurities in the tail gas to convert the organic impurities into carbon dioxide and water, the alkali liquor sprayer 14 further removes the organic impurities, the compressor 15 can transmit the tail gas into the tail gas pipeline 3, the fan 301 further transmits the tail gas, the dust impurities and the like are removed through the filter screen 302, the rest epoxy chloropropane is cooled again through the second condenser 11, the recovery collecting tank 13 is recovered, the maintenance tank 4 can be overhauled by opening the access door 10, and the recovered epoxy chloropropane is taken out, the exhaust gas is discharged to the air through the exhaust pipe 5 after being treated.
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 (7)
1. The utility model provides an epichlorohydrin tail gas recovery unit, includes epichlorohydrin concentration detector (6), its characterized in that: the right-hand member of epichlorohydrin concentration detection appearance (6) is provided with alarm device (7), the left end of alarm device (7) and the right-hand member fixed connection of epichlorohydrin concentration detection appearance (6), the inside of alarm device (7) is provided with warning bee calling organ (8), the outer wall of warning bee calling organ (8) and the outer wall fixed connection of alarm device (7), the right-hand member fixed mounting of warning bee calling organ (8) has status indicator lamp (9).
2. The epichlorohydrin tail gas recovery device of claim 1, wherein: the outside of alarm device (7) is provided with retort (2), the outer wall of retort (2) and the outer wall fixed connection of alarm device (7), the inlet port has been seted up to the bottom of retort (2), the inside of inlet port is provided with intake pipe (1), the outer wall of intake pipe (1) and the inner wall fixed connection of inlet port.
3. The epichlorohydrin tail gas recovery device of claim 2, wherein: the inside of retort (2) is provided with catalysis groove (16), the outer wall of catalysis groove (16) and the inner wall fixed connection of retort (2), the top fixed mounting of catalysis groove (16) has alkali lye spray thrower (14), the right-hand member fixed mounting of alkali lye spray thrower (14) has first condensation plate (18), the right-hand member of first condensation plate (18) is provided with first condenser (17), the outer wall of first condenser (17) and the inner wall joint of retort (2).
4. The epichlorohydrin tail gas recovery device of claim 3, wherein: the top of first condenser (17) is provided with compressor (15), the outer wall of compressor (15) and the inner wall joint of retort (2), the tail gas pocket has been seted up at the top of retort (2), the inside in tail gas pocket is provided with tail gas pipeline (3), the one end outer wall of tail gas pipeline (3) and the inner wall joint of tail gas pocket.
5. The epichlorohydrin tail gas recovery device of claim 4, wherein: the inside of tail gas pipeline (3) is provided with fan (301), the outer wall of fan (301) and the inner wall joint of tail gas pipeline (3), the bottom of fan (301) is provided with filter screen (302), the outer wall of filter screen (302) and the inner wall joint of tail gas pipeline (3).
6. The epichlorohydrin tail gas recovery device of claim 5, wherein: the other end fixed mounting of tail gas pipeline (3) has recovery tank (4), the inside of recovering tank (4) is provided with second condenser (11), the outer wall of second condenser (11) and the inner wall fixed connection who retrieves tank (4), the bottom fixed mounting of second condenser (11) has second condensation plate (12), the access hole has been seted up to the bottom of retrieving tank (4), the inner wall of access hole and the outer wall swing joint of access door (10).
7. The epichlorohydrin tail gas recovery device of claim 6, wherein: the bottom of second condensing panel (12) is provided with collecting vat (13), the outer wall of collecting vat (13) and the inner wall fixed connection who retrieves jar (4), the top fixed mounting who retrieves jar (4) has blast pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021207609.3U CN212731695U (en) | 2020-06-25 | 2020-06-25 | Epichlorohydrin tail gas recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021207609.3U CN212731695U (en) | 2020-06-25 | 2020-06-25 | Epichlorohydrin tail gas recovery device |
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| CN212731695U true CN212731695U (en) | 2021-03-19 |
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| CN202021207609.3U Active CN212731695U (en) | 2020-06-25 | 2020-06-25 | Epichlorohydrin tail gas recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115501722A (en) * | 2021-06-23 | 2022-12-23 | 南通星辰合成材料有限公司 | Method for treating epichlorohydrin tail gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115501722A (en) * | 2021-06-23 | 2022-12-23 | 南通星辰合成材料有限公司 | Method for treating epichlorohydrin tail gas |
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