CN207390999U - A kind of thionyl chloride chlorination production system - Google Patents
A kind of thionyl chloride chlorination production system Download PDFInfo
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- CN207390999U CN207390999U CN201721255642.1U CN201721255642U CN207390999U CN 207390999 U CN207390999 U CN 207390999U CN 201721255642 U CN201721255642 U CN 201721255642U CN 207390999 U CN207390999 U CN 207390999U
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Abstract
The utility model is related to organic chemical industry field, more particularly to a kind of thionyl chloride chlorination production system.Production system provided by the utility model includes reaction unit, first storage device, pressured gas liquid separator, the second storage device, water absorption plant and Alkali absorption device.The chlorination reaction that thionyl chloride chlorination production system provided by the utility model can be participated in thionyl chloride releases sulfur dioxide and hydrogen chloride gas is sufficiently separated, and can both save processing cost, can also farthest generate economic benefit.
Description
Technical field
The utility model is related to organic chemical industry field, more particularly to a kind of thionyl chloride chlorination production system.
Background technology
In the reaction for having thionyl chloride, when thionyl chloride is added dropwise, sulfur dioxide gas and hydrogen chloride gas can be released, two
Kind is all poisonous and hazardous corrosive gas, endangers environment.
Sulfur dioxide (chemical formula SO2) it is most common, simplest oxysulfide, it is one of Air Pollutant Discharge,
Sulfur dioxide can be all generated in many industrial process, chemical reaction.When sulfur dioxide is soluble in water, sulfurous acid can be formed, if handle
Sulfurous acid further aoxidizes under the conditions of existing for PM2.5, will efficiently produce sulfuric acid (main component of acid rain) rapidly.
Hydrogen chloride (HCl) is the gas of colourless and irritant smell, and aqueous solution is commonly called as hydrochloric acid, scientific name hydrochloric acid.Chlorine
Changing hydrogen has the smell of asphyxiating, has strong stimulation to the upper respiratory tract, has corrosion to eye, skin, mucous membrane.
So if can be efficiently separated, handled to sulfur dioxide gas and hydrogen chloride gas, can both save
Processing cost is gone, and generates economic benefit.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of thionyl chloride chlorination is anti-
Production system is answered, for solving the problems of the prior art.
In order to achieve the above objects and other related objects, the utility model provides a kind of thionyl chloride chlorination production system
System, the production system include：
For carrying out the reaction unit of chlorination reaction；
For storing the first storage device of thionyl chloride, the first storage device is in fluid communication with reaction unit；
For carrying out the pressured gas liquid separator of pressured gas liquid separating treatment, the pressurization to gas phase obtained by chlorination reaction
Gas-liquid separation device is in fluid communication with reaction unit；
For the second storage device stored to liquid phase obtained by pressured gas liquid separating treatment, second storage device
It is in fluid communication with pressured gas liquid separator；
For carrying out the water absorption plant that water absorbs processing to gas phase obtained by pressured gas liquid separating treatment, the water absorbs dress
It puts and is in fluid communication with pressured gas liquid separator；
For absorbing the Alkali absorption device that processing gained gas phase carries out Alkali absorption processing, the Alkali absorption device and water to water
Absorption plant is in fluid communication.
In the utility model some embodiments, the connecting pipe of the first storage device and reaction unit is equipped with
First flow control device.
In the utility model some embodiments, on the connecting pipe of the pressured gas liquid separator and reaction unit
Equipped with gas compressing apparatus.
In the utility model some embodiments, on the connecting pipe of the pressured gas liquid separator and reaction unit
Equipped with second flow control device.
In the utility model some embodiments, the pressured gas liquid separator is equipped with the first cooling device.
In the utility model some embodiments, the pressured gas liquid separator is equipped with pressure-detecting device.
In the utility model some embodiments, the communicating pipe of the pressured gas liquid separator and the second storage device
Road is equipped with the 3rd volume control device.
In the utility model some embodiments, second storage device is equipped with the second cooling device.
In the utility model some embodiments, the connecting pipe of the pressured gas liquid separator and water absorption plant
It is equipped with the 4th volume control device.
In the utility model some embodiments, the connecting pipe of the water absorption plant and Alkali absorption device is equipped with
5th volume control device.
Description of the drawings
Fig. 1 is shown as the structure diagram of the utility model.
Component label instructions
1 reaction unit
11 reaction units introduce pipeline
12 reaction unit introduction pipes
13 first flow control devices
14 second flow control devices
15 gas compressing apparatus
2 first storage devices
3 pressured gas liquid separators
31 first cooling devices
32 pressured gas liquid separator gas phases are drawn
Go out pipeline
33 pressured gas liquid separator liquid phases are drawn
Go out pipeline
34 the 3rd volume control devices
35 the 4th volume control devices
4 second storage devices
41 second cooling devices
42 second storage device introduction pipes
43 the 6th volume control devices
5 water absorption plants
6 Alkali absorption devices
61 Alkali absorption devices introduce pipeline
62 the 5th volume control devices
63 the 7th volume control devices
64 Alkali absorption device introduction pipes.
Specific embodiment
Illustrate the embodiment of the utility model by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
It please refers to Fig.1.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only coordinating
The revealed content of specification, so that those skilled in the art understands and reads, being not limited to the utility model can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model institute
The technology contents of announcement are obtained in the range of covering.Meanwhile in this specification it is cited as " on ", " under ", "left", "right",
The term of " centre " and " one " etc. is merely convenient to understanding rather than to limit the enforceable scope of the utility model for narration,
Its relativeness is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
As shown in the figure, the utility model provides a kind of thionyl chloride chlorination production system, can be used for sub- by dichloro
The chlorination reaction that sulfone reagent place participates in, more specifically can be the reaction being introduced into chlorine element by thionyl chloride in compound.Institute
Stating production system includes reaction unit 1, first storage device 2, pressured gas liquid separator 3, the second storage device 4, water absorption
Device 5 and Alkali absorption device 6.
In thionyl chloride chlorination production system provided by the utility model, reaction unit 1 can be included, it is described anti-
Device is answered to can be used for carrying out chlorination reaction (for example, having the chlorination reaction that thionyl chloride participates in), is there is what thionyl chloride participated in
In chlorination reaction, when thionyl chloride is added dropwise, it will usually release sulfur dioxide gas and hydrogen chloride gas.The reaction unit 1 is logical
The container of chlorination reaction can be often applied to, such as can be suitable reaction kettle etc..It usually can be in the reaction unit 1
Equipped with agitating device, the agitating device can be sufficiently mixed the reaction raw materials in reaction unit 1, and the agitating device can be with
It is such as blender.
In thionyl chloride chlorination production system provided by the utility model, first storage device 2, institute can be included
It states first storage device 2 to can be used for storing liquid reactions material (for example, thionyl chloride etc.), the first storage device 2 is logical
It can be often for storing the container of thionyl chloride gas, such as can be suitable tank body etc..The first storage device 2 can
To be in fluid communication with reaction unit 1, more specifically, the first storage device 2 can be drawn with reaction unit 1 by reaction unit
Enter pipeline 11 to be in fluid communication, the material (for example, thionyl chloride) in first storage device 2 can be introduced into reaction unit 1.Institute
First storage device 2 is stated with first flow control device 13 can be equipped on the connecting pipe of reaction unit 1, so as to adjust
And/or the fluid flow in opening and closing connecting pipe, the first flow control device 13 can be such as valve.Described first deposits
The level height of storage device 2 is usually above the reaction unit 1, so as to so that the thionyl chloride in first storage device 2 can
To be introduced by gravity in reaction unit 1.
In thionyl chloride chlorination production system provided by the utility model, pressured gas liquid separator can be included
3, the pressured gas liquid separator 3 can be used for (generally including sulfur dioxide gas and chlorination to gas phase obtained by chlorination reaction
Hydrogen) pressured gas liquid separating treatment is carried out, in the application, the pressured gas liquid separating treatment is often referred to will be after fluid compression
It is introduced into the container with certain space so that fluid stops the regular hour in a reservoir, so that the fluid after pressurization
In gas processing method separated with liquid, the pressured gas liquid separator 3 usually can be to have certain accommodation space
And certain pressure can be born and the container for accommodating corrosive substance (for example, sulfur dioxide, hydrogen chloride etc.) can be suitble to, such as
Can be reaction kettle, tank body etc..The pressured gas liquid separator 3 can be in fluid communication with reaction unit 1, more specifically, institute
It states pressured gas liquid separator 3 with reaction unit 1 by reaction unit introduction pipe 12 to be in fluid communication, in reaction unit 1
Generated gas phase can be after the pressurizing introduced into pressured gas liquid separator 3, so as to carry out pressured gas liquid separating treatment.Institute
Pressured gas liquid separator 3 is stated with second flow control device 14 can be equipped on the connecting pipeline of reaction unit 1, so as to
The fluid flow for adjusting and/or being opened and closed in connecting pipe, the first flow control device 14 can be such as valve.It is described to add
Liquid separating apparatus 3 is calmed the anger with gas compressing apparatus 15 can be equipped on the connecting pipeline of reaction unit 1, so as to react
Generated tail gas is compressed in device 1, and compressed tail gas is introduced into pressured gas liquid separator 3, the gas
Compression set 15 can be such as gas compression pump.The first cooling device can be equipped on the pressured gas liquid separator 3
31, so as to so that fluid be introduced into pressured gas liquid separator 3 after be sufficiently cooled, further promoted gas-liquid separation effect
Fruit, first cooling device 31 can be cooling jackets etc..In one embodiment of the utility model, reaction unit 1 is produced
Raw tail gas is pressed into after compression in pressured gas liquid separator 3, wherein sulfur dioxide it is pressurized after become sulfur dioxide liquid
(- 10 DEG C of boiling point) and HCl gases remain as gaseous state.Pressure-detecting device can be equipped on the pressured gas liquid separator 3, from
And the pressure size in pressured gas liquid separator 3 can be detected, the pressure-detecting device can be such as pressure gauge.
In thionyl chloride chlorination production system provided by the utility model, the second storage device 4, institute can be included
It states the second storage device 4 to can be used for storing liquid phase obtained by pressured gas liquid separating treatment, second storage device 4 is logical
It can be often the container that can accommodate corrosive substance (for example, sulfur dioxide), such as can be reaction kettle, tank body etc..It is described
Second storage device 4 can be in fluid communication with pressured gas liquid separator 3, more specifically, second storage device 4 and pressurization
Gas-liquid separation device 3 can be in fluid communication by pressured gas liquid separator liquid phase introduction pipe 33, pressured gas liquid separator 3
In separating obtained liquid phase (for example, sulfur dioxide liquid) can be introduced into the second storage device 4.Second storage device
4 with that can be equipped with the 3rd volume control device 34 on the connecting pipeline of pressured gas liquid separator 3, so as to adjusting and/or
The fluid flow being opened and closed in connecting pipe, the 3rd volume control device 34 can be such as valve.The second storage dress
The second cooling device 41 can be equipped with by putting on 4, so as to so that fluid be introduced into the second storage device 4 after be still maintained at
Low-temperature condition, for example, sulfur dioxide can be made to be maintained at liquid condition, second cooling device 41 can be cooling jacket
Deng.Second storage device 4 can be equipped with the second storage device introduction pipe 42, so as to when needed by the second cooling
Material in device 41 is discharged, and the 6th volume control device 43 can be equipped on the second storage device introduction pipe 42, from
And the fluid flow in connecting pipe can be adjusted and/or be opened and closed, the 6th volume control device 43 can be such as valve.
In one specific embodiment of the utility model, NaOH aqueous solutions, sulfur dioxide are also provided in second storage device 4
Compressed gas or sulfur dioxide liquid can be passed through NaOH aqueous solutions, coproduction sodium sulfite or sodium hydrogensulfite.
In thionyl chloride chlorination production system provided by the utility model, water absorption plant 5 can be included, it is described
Water absorption plant 5 can be used for carrying out water to gas phase (for example, generally including hydrogen chloride gas) obtained by pressured gas liquid separating treatment
Absorption is handled, and in the application, the water absorption processing is often referred to come into full contact with pending gas with water, thus can be by water
The ingredient draws of absorption are in water, and processing method separated with other compositions, and the water absorption plant 5 usually can be can
The container of corrosive substance (for example, hydrochloric acid) is accommodated, such as can be reaction kettle, tank body etc..The water absorption plant 5 can be with
Gas-liquid separation device 3 is in fluid communication, and more specifically, the water absorption plant 5 can pass through pressured gas liquid with gas-liquid separation device 3
Separator gas phase introduction pipe 32 is in fluid communication, and gas phase obtained by pressured gas liquid separating treatment can be introduced into water absorption plant 5
In, water is typically provided in the water absorption plant 5, so as to be subjected to water absorption processing.The water absorption plant 5 and pressurization gas
The port of export that the connecting pipeline of liquid separating apparatus 3 is located at water absorption plant 5 can usually extend to the liquid of water in water absorption plant 5
Below face, the bottom of water absorption plant 5 can also be extended to, thereby may be ensured that the gas phase that is introduced into water absorption plant 5 with
Coming into full contact between water.The water absorption plant 5 is with that can be equipped with the 4th stream on the connecting pipeline of pressured gas liquid separator 3
Amount control device 35, so as to adjust and/or be opened and closed the fluid flow in connecting pipe, the 4th volume control device 35
It can be such as valve.
In thionyl chloride chlorination production system provided by the utility model, Alkali absorption device 6 can be included, it is described
Alkali absorption device 6 can be used for absorbing water in 5 gained gas phases of processing (for example, can include a small amount of remaining hydrogen chloride) progress alkali
Absorption is handled, and in the application, the Alkali absorption processing is often referred to gas and alkali (for example, sodium hydrate solid or sodium hydroxide
Aqueous solution etc.) it comes into full contact with, what can be reacted with alkali reacts into branch and alkali, so as to processing side separated with other compositions
Method, the Alkali absorption device 6 usually can be the containers that can accommodate corrosive substance (for example, hydrochloric acid, sodium hydroxide etc.), example
Such as can be reaction kettle, tank body.The Alkali absorption device 6 can be in fluid communication with water absorption plant 5, more specifically, described
Alkali absorption device 6 can introduce pipeline 61 by Alkali absorption device with water absorption plant 5 and be in fluid communication, and water absorbs 5 gained of processing
Gas phase can be introduced into Alkali absorption device 6, alkali is typically provided in the Alkali absorption device 6, so as to be subjected at Alkali absorption
Reason.The port of export that the connecting pipeline of the Alkali absorption device 6 and water absorption plant 5 is located at Alkali absorption device 6 can usually extend
Below the liquid level of lye or go deep into Alkali absorption device 6 in the material of solid base, the bottom of Alkali absorption device 6 can also be extended to
Portion thereby may be ensured that coming into full contact between the gas phase being introduced into Alkali absorption device 6 and alkali.The water absorption plant 5 with
The 5th volume control device 62 can be equipped on the connecting pipeline of Alkali absorption device 6, so as to adjust and/or be opened and closed communicating pipe
Fluid flow in road, the 5th volume control device 62 can be such as valve.It can be equipped on the Alkali absorption device 6
Alkali absorption device introduction pipe 64, be subjected to Alkali absorption processing gas phase can be brought out by Alkali absorption device introduction pipe 64 it is whole
A system can be equipped with the 7th volume control device 63 on the Alkali absorption device introduction pipe 64, so as to adjusting and/or
The fluid flow being opened and closed in connecting pipe, the 7th volume control device 63 can be such as valve.
The chlorination that thionyl chloride chlorination production system provided by the utility model can be participated in thionyl chloride
Sulfur dioxide is released in reaction and hydrogen chloride gas (both of which is poisonous and hazardous corrosive gas, endangers environment) fully divides
From can both save processing cost, can also farthest generate economic benefit.
In conclusion the utility model effectively overcomes various shortcoming of the prior art and has high industrial exploitation value
Value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by the claim of the utility model.
Claims (9)
1. a kind of thionyl chloride chlorination production system, which is characterized in that the production system includes：
For carrying out the reaction unit of chlorination reaction (1)；
For storing the first storage device of thionyl chloride (2), the first storage device (2) connects with reaction unit (1) fluid
It is logical；
For carrying out the pressured gas liquid separator (3) of pressured gas liquid separating treatment, the pressurization to gas phase obtained by chlorination reaction
Gas-liquid separation device (3) is in fluid communication with reaction unit (1), the pressured gas liquid separator (3) and the company of reaction unit (1)
It threads a pipe equipped with gas compressing apparatus (15)；
For the second storage device (4) stored to liquid phase obtained by pressured gas liquid separating treatment, second storage device
(4) it is in fluid communication with pressured gas liquid separator (3)；
For carrying out the water absorption plant (5) that water absorbs processing to gas phase obtained by pressured gas liquid separating treatment, the water absorbs dress
(5) are put with pressured gas liquid separator (3) to be in fluid communication；
For carrying out the Alkali absorption device (6) of Alkali absorption processing, the Alkali absorption device to gas phase obtained by water absorption processing (5)
(6) it is in fluid communication with water absorption plant (5).
2. production system as described in claim 1, which is characterized in that the first storage device (2) and reaction unit (1)
Connecting pipe is equipped with first flow control device (13).
3. production system as described in claim 1, which is characterized in that the pressured gas liquid separator (3) and reaction unit
(1) connecting pipe is equipped with second flow control device (14).
4. production system as described in claim 1, which is characterized in that the pressured gas liquid separator (3) is equipped with first
Cooling device (31).
5. production system as described in claim 1, which is characterized in that the pressured gas liquid separator (3) is equipped with pressure
Detection device.
6. production system as described in claim 1, which is characterized in that the pressured gas liquid separator (3) and the second storage
The connecting pipe of device (4) is equipped with the 3rd volume control device (34).
7. production system as described in claim 1, which is characterized in that second storage device (4) is equipped with the second cooling
Device (41).
8. production system as described in claim 1, which is characterized in that the pressured gas liquid separator (3) absorbs with water to be filled
The connecting pipe for putting (5) is equipped with the 4th volume control device (35).
9. production system as described in claim 1, which is characterized in that the water absorption plant (5) and Alkali absorption device (6)
Connecting pipe is equipped with the 5th volume control device (62).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721255642.1U CN207390999U (en) | 2017-09-27 | 2017-09-27 | A kind of thionyl chloride chlorination production system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721255642.1U CN207390999U (en) | 2017-09-27 | 2017-09-27 | A kind of thionyl chloride chlorination production system |
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| CN207390999U true CN207390999U (en) | 2018-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724368A (en) * | 2018-12-10 | 2019-05-07 | 安徽金禾实业股份有限公司 | The recovery method of chlorinated exhaust in a kind of production of Sucralose |
-
2017
- 2017-09-27 CN CN201721255642.1U patent/CN207390999U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724368A (en) * | 2018-12-10 | 2019-05-07 | 安徽金禾实业股份有限公司 | The recovery method of chlorinated exhaust in a kind of production of Sucralose |
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