CN209113784U - Chloropropene gas concentration unit in a kind of production of epoxychloropropane - Google Patents
Chloropropene gas concentration unit in a kind of production of epoxychloropropane Download PDFInfo
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- CN209113784U CN209113784U CN201821121436.6U CN201821121436U CN209113784U CN 209113784 U CN209113784 U CN 209113784U CN 201821121436 U CN201821121436 U CN 201821121436U CN 209113784 U CN209113784 U CN 209113784U
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- chloropropene
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- gas concentration
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Abstract
The utility model discloses chloropropene gas concentration units in a kind of production of epoxychloropropane, including the first condenser, mixing tube, deep condenser, condense fluid reservoir and outlet tube, first condenser, second condenser, third condenser is connected to the deep condenser by the mixing tube, exhaust valve is provided with above the deep condenser, the condensate tank is connected by connecting tube below the deep condenser, chloropropene head tank is connected with below the condensate tank, motor is provided with above first condenser, the shaft of the motor is connected with screw rod, the screw rod is socketed with the screw sleeve by screw thread.Beneficial effect is: the utility model is easy to automatically control, the control of condensate tank pressure monitoring, safe operation, chloropropene recycling is thorough, production cost is reduced, solves the problems, such as that the frozen block of reflux condenser condensation is conducive to produce stable operation, is suitable for wide popularization and application.
Description
Technical field
The utility model relates to catalyst device of condensation recovery fields, more particularly to chlorine in a kind of production of epoxychloropropane
Propylene gas recyclable device.
Background technique
Epoxychloropropane is a kind of important basic chemical industry raw material, mainly for the production of epoxy resin, chlorohydrin rubber, sweet
The multiple products such as oil and surfactant.Industrial process mainly has chlorohydrination and allyl acetate-allyl alcohol method at present.Chlorohydrination is mainly former
Material is propylene, chlorine and lime, and key reaction technique obtains chloropropene by propylene high-temperature chlorination, chloropropene hypochlorination obtains dichloro third
Alcohol, dichlorohydrin are saponified to obtain three step of epoxychloropropane composition.Chlorohydrination process characteristic: have and produce enlarged, serialization and oneself
The characteristics of dynamicization, and have the advantages that technical maturity, stable operation, but that there is conversion ratios is low, by-product is more, unit consumption is high, sets
The disadvantages of standby one ton of product of perishable, every production can generate 40 tons of waste water, the primary raw material of allyl acetate-allyl alcohol method is propylene, oxygen and vinegar
Acid, key reaction technique synthesize dichloro by propylene gas phase catalysis oxygen acetic acid acetic acid allyl vinegar, hydrolysis allyl alcohol processed, with chlorine addition
Propyl alcohol and saponification four step of dehydrochlorination composition.Although allyl acetate-allyl alcohol method technique reaction condition mitigates, by-product is few, and chlorine and lime are former
Material consumption halves, but there are techniques it is tediously long, equipment investment is high, one ton of product of every production can generate 11 tons of waste water the disadvantages of, with
The demand of the continuous development of epoxy resin and its Related product, domestic epoxychloropropane is more and more big, additionally, due to environment
The pay attention to day by day of protection, green epoxychloropropane manufacturing method have increasingly caused the great attention of people.Chinese patent text
Offer (publication date: on June 29th, 2016, publication number: CN105712955A) disclose it is a kind of using reaction-controlled phase transfer catalysis
The method of preparing epichlorohydrin by chloropropene epoxidation, H2O2 can be separated and recovered and are recycled for green oxygen source, its catalyst
Using, without other solvents, process environments are friendly, economical rationality.But in the technique there is condensation fluid reservoir pressure in vent gas treatment part
Power it is higher it is dangerous, middle chloropropene content of dropping a hint is higher, chloropropene loss amount is big, reflux condenser condensate temperature is lower,
Frozen block is easy to appear containing moisture reflux condenser in gas.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides chlorine third in a kind of production of epoxychloropropane
Alkene gas concentration unit.
The utility model achieves the above object through the following technical schemes:
Chloropropene gas concentration unit in a kind of production of epoxychloropropane, including the first condenser, mixing tube, deep condensation
Device, condensation fluid reservoir and outlet tube, first condenser, the second condenser, third condenser are connected by the mixing tube
To the deep condenser, the deep condenser top is provided with exhaust valve, passes through connecting tube below the deep condenser
The condensation fluid reservoir is connected, chloropropene head tank is connected with below the condensation fluid reservoir, is set above first condenser
It is equipped with motor, the shaft of the motor is connected with screw rod, and the screw rod is socketed with the screw sleeve, the screw rod by screw thread
Sleeve bottom end is fixedly connected with adjustable plate, and condensate layer, the first condenser lower section are provided on the first condenser side wall
It is provided with air inlet pipe, the motor side is provided with controller, and the controller side is provided with escape pipe, on the escape pipe
It is provided with solenoid valve.
In order to further increase the practicability of recyclable device, be additionally provided with inside first condenser temperature inductor and
Pressure inductor.
In order to further increase the practicability of recyclable device, the adjustable plate top is provided with the valve pore, described
Two panels valve, prevents gas backstreaming built in valve pore.
In order to further increase the practicability of recyclable device, the controller is wired to the temperature sense
On device, the pressure inductor and the motor.
In order to further increase the practicability of recyclable device, the condensation fluid reservoir is internally provided with liquid level detector, institute
It states and is provided with electromagnetic valve in connecting tube.
In above structure, the gas in reactor is cold by first condenser, second condenser, the third
The air inlet pipe of condenser bottom enters, first condenser, second condenser, the third condenser internal temperature
Control is tentatively condensed in 0 to 10 degree, gas, and vapor is condensed into water and is discharged by the outlet tube, and gas passes through described
The valve of adjustable plate, the pressure inductor pass data to the controller, the controller control after experiencing pressure
The solenoid valve, which is opened, is discharged into the mixing tube for gas, and it is mixed that the motor drives the adjustable plate rising to be discharged into upper gas
Pipe is closed, gas enters the deep condenser by the mixing tube, and the deep condenser internal temperature is set as -30
To -20 degree, condensate liquid is flowed into the condensation fluid reservoir, and the liquid level detector detection liquid level in the condensation fluid reservoir is greater than
When 60%, electromagnetic valve opening is discharged into the chloropropene head tank.
Beneficial effect is: the utility model is easy to automatically control, condensation fluid reservoir pressure monitoring control, safe operation,
Chloropropene recycling thoroughly, reduces production cost, solves the problems, such as that the frozen block of reflux condenser condensation is conducive to produce stable operation,
Suitable for wide popularization and application.
Detailed description of the invention
Fig. 1 is the structural representation of chloropropene gas concentration unit in a kind of epoxychloropropane production described in the utility model
Figure；
Fig. 2 is the first condenser of chloropropene gas concentration unit in a kind of epoxychloropropane production described in the utility model
Structure chart；
Fig. 3 is the adjustable plate structure of chloropropene gas concentration unit in a kind of epoxychloropropane production described in the utility model
Schematic diagram.
The reference numerals are as follows:
1, the first condenser；2, the second condenser；3, third condenser；4, mixing tube；5, exhaust valve；6, deep condensation
Device；7, connecting tube；8, fluid reservoir is condensed；9, chloropropene head tank；10, condensate layer；11, adjustable plate, 1101, valve pore；
12, screw sleeve；13, screw rod；14, motor；15, solenoid valve；16, escape pipe；17, pressure inductor；18, controller；19, into
Tracheae；20, outlet tube.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1-Figure 3, chloropropene gas concentration unit in a kind of epoxychloropropane production, including the first condenser 1,
Mixing tube 4, deep condenser 6, condensation fluid reservoir 8 and outlet tube 20, the first condenser 1, the second condenser 2, third condenser 3
It is connected to deep condenser 6 by mixing tube 4, exhaust valve 5 is provided with above deep condenser 6, is led to below deep condenser 6
It crosses connecting tube 7 and condenses fluid reservoir 8, condense and be connected with chloropropene head tank 9 below fluid reservoir 8, be provided with above the first condenser 1
Motor 14, the shaft of motor 14 are connected with screw rod 13, and screw rod 13 is socketed with screw sleeve 12,12 bottom end of screw sleeve by screw thread
It is fixedly connected with adjustable plate 11, condensate layer 10 is provided on 1 side wall of the first condenser, is provided with air inlet below the first condenser 1
Pipe 19,14 side of motor are provided with controller 18, and 18 side of controller is provided with escape pipe 16, is provided with electricity on escape pipe 16
Magnet valve 15.
In order to further increase the practicability of recyclable device, temperature inductor and pressure are additionally provided with inside the first condenser 1
Power inductor 17,11 top of adjustable plate are provided with valve pore 1101, two panels valve built in valve pore 1101, prevent gas from returning
Stream, controller 18 are wired on temperature inductor, pressure inductor 17 and motor 14, are condensed and are set inside fluid reservoir 8
It is equipped with liquid level detector, is provided with electromagnetic valve in connecting tube 7.
In above structure, the gas in reactor passes through the first condenser 1, the second condenser 2,3 bottom of third condenser
Air inlet pipe 19 enter, the first condenser 1, the second condenser 2,3 internal temperature control of third condenser 0 to 10 degree, gas
It is tentatively condensed, vapor is condensed into water and is discharged by outlet tube 20, and gas passes through the valve of adjustable plate 11, pressure inductor
17 experience and pass data to controller 18 after pressure, and controller 18, which controls solenoid valve 15, to be opened gas being discharged into mixing tube 4,
Motor 14 drives adjustable plate 11 to rise and upper gas is discharged into mixing tube, and gas enters deep condenser 6 by mixing tube 4,
6 internal temperature of deep condenser is set as -30 to -20 degree, and condensate liquid is flowed into condensation fluid reservoir 8, condenses the liquid in fluid reservoir 8
When bit detector detects liquid level greater than 60%, electromagnetic valve opening is discharged into chloropropene head tank 9.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by appending claims and equivalents.
Claims (5)
1. chloropropene gas concentration unit in a kind of epoxychloropropane production, including the first condenser, mixing tube, deep condensation
Device, condensation fluid reservoir and outlet tube, it is characterised in that: first condenser, the second condenser, third condenser pass through described
Mixing tube is connected to the deep condenser, and exhaust valve, the deep condenser lower section are provided with above the deep condenser
Condensation fluid reservoir is connected by connecting tube, is connected with chloropropene head tank, first condenser below the condensation fluid reservoir
Top is provided with motor, and the shaft of the motor is connected with screw rod, and the screw rod is socketed with screw sleeve, the spiral shell by screw thread
Rod sleeve bottom end is fixedly connected with adjustable plate, is provided with condensate layer on the first condenser side wall, under first condenser
Side is provided with air inlet pipe, and the motor side is provided with controller, and the controller side is provided with escape pipe, the escape pipe
On be provided with solenoid valve.
2. chloropropene gas concentration unit in a kind of epoxychloropropane production according to claim 1, it is characterised in that: institute
It states and is additionally provided with temperature inductor and pressure inductor inside the first condenser.
3. chloropropene gas concentration unit in a kind of epoxychloropropane production according to claim 1, it is characterised in that: institute
It states adjustable plate top and is provided with valve pore, two panels valve built in the valve pore prevents gas backstreaming.
4. chloropropene gas concentration unit in a kind of epoxychloropropane production according to claim 2, it is characterised in that: institute
Controller is stated to be wired on the temperature inductor, the pressure inductor and the motor.
5. chloropropene gas concentration unit in a kind of epoxychloropropane production according to claim 1, it is characterised in that: institute
It states condensation fluid reservoir and is internally provided with liquid level detector, be provided with electromagnetic valve in the connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821121436.6U CN209113784U (en) | 2018-07-16 | 2018-07-16 | Chloropropene gas concentration unit in a kind of production of epoxychloropropane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821121436.6U CN209113784U (en) | 2018-07-16 | 2018-07-16 | Chloropropene gas concentration unit in a kind of production of epoxychloropropane |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596320A (en) * | 2019-09-25 | 2019-12-20 | 深圳市无眼界科技有限公司 | Gas detection device |
| CN111821832A (en) * | 2020-08-10 | 2020-10-27 | 南京佳华工程技术有限公司 | Chlorohydrination tail gas coupling treatment method |
| CN113509811A (en) * | 2020-04-10 | 2021-10-19 | 中国石油化工股份有限公司 | Method and system for treating tail gas containing chloropropene and oxygen |
-
2018
- 2018-07-16 CN CN201821121436.6U patent/CN209113784U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596320A (en) * | 2019-09-25 | 2019-12-20 | 深圳市无眼界科技有限公司 | Gas detection device |
| CN113509811A (en) * | 2020-04-10 | 2021-10-19 | 中国石油化工股份有限公司 | Method and system for treating tail gas containing chloropropene and oxygen |
| CN113509811B (en) * | 2020-04-10 | 2022-11-29 | 中国石油化工股份有限公司 | Method and system for treating tail gas containing chloropropene and oxygen |
| CN111821832A (en) * | 2020-08-10 | 2020-10-27 | 南京佳华工程技术有限公司 | Chlorohydrination tail gas coupling treatment method |
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