CN205634913U - Production sodium sulfocyanate's consecutive reaction device - Google Patents
Production sodium sulfocyanate's consecutive reaction device Download PDFInfo
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- CN205634913U CN205634913U CN201620471328.6U CN201620471328U CN205634913U CN 205634913 U CN205634913 U CN 205634913U CN 201620471328 U CN201620471328 U CN 201620471328U CN 205634913 U CN205634913 U CN 205634913U
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- liquid
- caustic soda
- ammonium thiocyanate
- heater
- liquid outlet
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Abstract
The utility model discloses a production sodium sulfocyanate's consecutive reaction device belongs to chemical industry equipment technical field, including the device body, the key is: the device body include the ammonium thiocyanate heater, the liquid caustic soda heater, mix reactor and vapour and liquid separator, be provided with inlet and liquid outlet on the ammonium thiocyanate heater, also be provided with inlet and liquid outlet on the liquid caustic soda heater, the liquid outlet of ammonium thiocyanate heater and the liquid outlet of liquid caustic soda heater all communicate with the inlet that mixes the reactor, mix the liquid outlet of reactor and vapour and liquid separator's inlet intercommunication, vapour and liquid separator's top is provided with the ammonia export, vapour and liquid separator's bottom is provided with the export of sodium sulfocyanate solution. The efficiency of the reaction is improved, the dwell time of ammonium thiocyanate at the high temperature state has been shortened to reduced ammonium thiocyanate's decomposition, guaranteed sodium sulfocyanate's quality and yield, and realized the serialization of sodium sulfocyanate reaction.
Description
Technical field
This utility model belongs to technical field of chemical, relates to a kind of produce the continuous of sodium rhodanate
Reaction unit.
Background technology
In recent years, owing to the dimensions of market of by-product ammonium thiocyanate increases substantially, the production technology of sodium rhodanate
Also by traditional Cyanogran., sulfur synthesis technique gradually to ammonium thiocyanate with low cost, liquid caustic soda synthesis
Process changeover.As follows for the reaction equation of Material synthesis sodium rhodanate with ammonium thiocyanate and liquid caustic soda:
NH4SCN+NaOH → NaSCN+H2O+NH3 ↑, the manufacturing enterprise of sodium rhodanate is for Hydrogen thiocyanate
The autoclave using original old technology that produces of sodium stirs reaction unit more, and what this reaction unit existed asks
Topic is that response time length, raw material ammonium thiocyanate are in for a long time under the condition of high temperature and easily decompose, and produces miscellaneous
Matter, the yield causing sodium rhodanate is low, poor quality, and new reaction unit has no that documents and materials have report
Road.
Summary of the invention
This utility model, in order to overcome the defect of prior art, devises a kind of company producing sodium rhodanate
Continuous reaction unit, shortens the ammonium thiocyanate time of staying in the condition of high temperature, thus decreases Hydrogen thiocyanate
The decomposition of ammonium, it is ensured that the quality of sodium rhodanate and yield, and achieve the company of sodium rhodanate reaction
Continuousization.
The concrete technical scheme that this utility model is taked is: a kind of successive reaction producing sodium rhodanate
Device, including device body, it is important to: described device body includes ammonium thiocyanate heater, liquid
Alkali heater, mixing reactor and gas-liquid separator, ammonium thiocyanate heater is provided with inlet and
Liquid outlet, liquid caustic soda heater is also equipped with inlet and liquid outlet, ammonium thiocyanate heater go out liquid
Mouth all connects with the inlet of mixing reactor with the liquid outlet of liquid caustic soda heater, going out of mixing reactor
Liquid mouth connects with the inlet of gas-liquid separator, and the top of gas-liquid separator is provided with ammonia outlet, gas
The bottom of liquid/gas separator is provided with sodium thiocyanate solution outlet.
Described device body also includes ammonium thiocyanate storage tank, and ammonium thiocyanate storage tank is provided with inlet
And liquid outlet, the liquid outlet of ammonium thiocyanate storage tank connects and sulfur cyanogen with the inlet of ammonium thiocyanate heater
It is provided with valve at the liquid outlet of acid ammonium storage tank.
Setting up ammonium thiocyanate delivery pump, the inlet of ammonium thiocyanate delivery pump goes out with ammonium thiocyanate storage tank
Liquid mouth connects, and the liquid outlet of ammonium thiocyanate delivery pump connects with the inlet of ammonium thiocyanate heater.
It is provided with effusion meter at the liquid outlet of described ammonium thiocyanate storage tank.
Described device body also includes liquid caustic soda storage tank, and liquid caustic soda storage tank is provided with inlet and liquid outlet,
The liquid outlet of liquid caustic soda storage tank connects with the inlet of liquid caustic soda heater and arranges at the liquid outlet of liquid caustic soda storage tank
There is valve.
Setting up liquid caustic soda delivery pump, the inlet of liquid caustic soda delivery pump connects with the liquid outlet of liquid caustic soda storage tank, liquid
The liquid outlet of alkali delivery pump connects with the inlet of liquid caustic soda heater.
It is also equipped with effusion meter at the liquid outlet of described liquid caustic soda storage tank.
It it is inverted taper bottom described gas-liquid separator.
The beneficial effects of the utility model are: by ammonium thiocyanate heater, ammonium thiocyanate is heated to one
Fixed temperature, liquid caustic soda solution are heated to uniform temperature by liquid caustic soda heater, the ammonium thiocyanate after will heat up
It is transported to hybrid reaction in mixing reactor with liquid caustic soda solution according to the flowrate proportioning set, controls mixing
The response time of reactor and temperature, enter back into gas-liquid from the reaction mass of mixing reactor outflow and divide
Carrying out gas-liquid separation in device, the ammonia of generation is separated, and obtains completely reacted sodium rhodanate molten
Liquid.It is successive reaction that this device becomes traditional autoclave intermittent reaction, improves reaction efficiency；Shorten
Ammonium thiocyanate time of staying in the condition of high temperature, thus decrease the decomposition of ammonium thiocyanate, it is ensured that
The quality of sodium rhodanate and yield；Mixing reactor is combined with gas-liquid separator, makes course of reaction
In have gas to generate reaction be achieved serialization, i.e. achieve sodium rhodanate reaction serialization,
Simple in construction, easy to use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In accompanying drawing, 1 represents ammonium thiocyanate storage tank, and 2 represent liquid caustic soda storage tank, and 3 represent ammonium thiocyanate conveying
Pump, 4 represent liquid caustic soda delivery pump, and 5 represent ammonium thiocyanate heater, and 6 represent liquid caustic soda heater, 7 generations
Table mixing reactor, 8 represent gas-liquid separator.
Detailed description of the invention
With specific embodiment, this utility model is elaborated below in conjunction with the accompanying drawings:
Specific embodiment, as it is shown in figure 1, a kind of continuous reaction apparatus producing sodium rhodanate, including
Device body, device body includes ammonium thiocyanate heater 5, liquid caustic soda heater 6, mixing reactor 7
With gas-liquid separator 8, ammonium thiocyanate heater 5 is provided with inlet and liquid outlet, liquid caustic soda heater
Inlet and liquid outlet it is also equipped with, the liquid outlet of ammonium thiocyanate heater 5 and liquid caustic soda heater 6 on 6
Liquid outlet all inlets with mixing reactor 7 connect, the liquid outlet of mixing reactor 7 and gas-liquid
The inlet connection of separator 8, the top of gas-liquid separator 8 is provided with ammonia outlet, gas-liquid separation
The bottom of device 8 is provided with sodium thiocyanate solution outlet.Ammonium thiocyanate heater 5 and liquid caustic soda heater 6
All being used for heating, heating up to raw material preheats, and prepares for subsequent reactions, ammonium thiocyanate heater 5 He
The inlet of liquid caustic soda heater 6 is all in bottom, and liquid outlet, all at top, so can make full use of and change
Hot side amasss, and improves heat exchange efficiency.
As to further improvement of the utility model, device body also includes ammonium thiocyanate storage tank 1, sulfur
Inlet and liquid outlet, the liquid outlet of ammonium thiocyanate storage tank 1 and sulfur cyanogen it is provided with on ammonium cyanate storage tank 1
It is provided with valve at the inlet connection of acid ammonium heater 5 and the liquid outlet of ammonium thiocyanate storage tank 1.Need
Time to be fed, open valve, eliminate the process of hand stock, fall below labor intensity, save
Shi Shengli, improves production efficiency.
Set up ammonium thiocyanate delivery pump 3, the inlet of ammonium thiocyanate delivery pump 3 and ammonium thiocyanate storage tank 1
Liquid outlet connection, the inlet of the liquid outlet of ammonium thiocyanate delivery pump 3 and ammonium thiocyanate heater 5
Connection.Make the ammonium thiocyanate in ammonium thiocyanate storage tank 1 can be rapidly introduced into ammonium thiocyanate heater 5
In, Automatic Conveying, can accurately control conveying capacity, go out liquid simultaneously for ammonium thiocyanate storage tank 1
Mouth no longer has particular/special requirement with the relative position of the inlet of ammonium thiocyanate heater 5, expands device
The scope of application.
It is provided with effusion meter at the liquid outlet of ammonium thiocyanate storage tank 1, conveying capacity accurately can be shown
Out, convenient viewing.
As to further improvement of the utility model, device body also includes liquid caustic soda storage tank 2, and liquid caustic soda stores up
Being provided with inlet and liquid outlet on tank 2, the liquid outlet of liquid caustic soda storage tank 2 enters with liquid caustic soda heater 6
It is provided with valve at the liquid outlet of the connection of liquid mouth and liquid caustic soda storage tank 2.When needing charging, open valve i.e.
Can, eliminate the process of hand stock, fall below labor intensity, time saving and energy saving, improve production effect
Rate.
Setting up liquid caustic soda delivery pump 4, the inlet of liquid caustic soda delivery pump 4 connects with the liquid outlet of liquid caustic soda storage tank 2,
The liquid outlet of liquid caustic soda delivery pump 4 connects with the inlet of liquid caustic soda heater 6.In making liquid caustic soda storage tank 2
Liquid caustic soda solution can be rapidly introduced in liquid caustic soda heater 6, Automatic Conveying, can accurately control
Conveying capacity, simultaneously for the phase para-position of liquid outlet and the inlet of liquid caustic soda heater 6 of liquid caustic soda storage tank 2
Put and no longer have particular/special requirement, expand the scope of application of device.
It is also equipped with effusion meter at the liquid outlet of liquid caustic soda storage tank 2, conveying capacity accurately can be demonstrated
Come, convenient viewing.
As to further improvement of the utility model, it is inverted taper bottom gas-liquid separator 8,
Sodium thiocyanate solution in gas-liquid separator 8 can quickly be flowed out, bottom gas-liquid separator 8 not
There will be depositional phenomenon.
This utility model is in the specific implementation: be heated to by ammonium thiocyanate heater 5 by ammonium thiocyanate
80 DEG C, liquid caustic soda solution be heated to 80 DEG C by liquid caustic soda heater 6, utilize ammonium thiocyanate delivery pump 3 He
Liquid caustic soda delivery pump 4 will heat up after ammonium thiocyanate and liquid caustic soda solution according to mol ratio 1:1 be transported to mixing
Hybrid reaction in reactor 7, the time of staying controlling mixing reactor 7 is 1 hour, and temperature is
80～90 DEG C, enter back into from the reaction mass of mixing reactor 7 outflow and gas-liquid separator 8 carries out gas
Liquid separates, and the ammonia of generation is discharged by the ammonia outlet at gas-liquid separator 8 top, sodium thiocyanate solution
Exported by the sodium thiocyanate solution bottom gas-liquid separator 8 and discharge, shorten ammonium thiocyanate at high temperature shape
The time of staying of state, thus decrease the decomposition of ammonium thiocyanate, it is ensured that the quality of sodium rhodanate and receipts
Rate, and achieve the serialization of sodium rhodanate reaction, improve reaction efficiency, simple in construction, make
With convenient.
Four sodium rhodanate production lines of Shijiazhuang City, Hebei Province sodium rhodanate manufacturer try
Test, the yield of sodium rhodanate=(content flowing out flow * sodium rhodanate of sodium thiocyanate solution)/(sulfur
Mass percentage concentration/the 76*81 of ammonium cyanate solution feed flow * ammonium thiocyanate), specific experiment data are such as
Under:
Embodiment one,
A number production line, in ammonium thiocyanate heater 5, ammonium thiocyanate solution feed rate is 2 ton hour,
The mass percentage concentration of ammonium thiocyanate is 50%, in liquid caustic soda heater 6 liquid caustic soda feed rate be 1.6 tons/
Hour, in mixing reactor 7, the outflow flow of sodium thiocyanate solution is 3.38 ton hour, sodium rhodanate
Content be 31.5%, yield is 99.9%.
Embodiment two,
No. two production lines, ammonium thiocyanate solution feed rate 2 ton hour in ammonium thiocyanate heater 5,
The mass percentage concentration of ammonium thiocyanate is 48%, in liquid caustic soda heater 6 liquid caustic soda feed rate be 1.6 tons/
Hour, in mixing reactor 7, the outflow flow of sodium thiocyanate solution is 3.38 ton hour, sodium rhodanate
Content be 30.1%, yield is 99.4%.
Embodiment three,
No. three production lines, ammonium thiocyanate solution feed rate 1.5 ton hour in ammonium thiocyanate heater 5,
The mass percentage concentration of ammonium thiocyanate is 50%, in liquid caustic soda heater 6 liquid caustic soda feed rate be 1.2 tons/
Hour, in mixing reactor 7, the outflow flow of sodium thiocyanate solution is 2.53 ton hour, sodium rhodanate
Content be 31.47%, yield is 99.6%.
Embodiment four,
No. four production lines, ammonium thiocyanate solution feed rate 1.5 ton hour in ammonium thiocyanate heater 5,
The mass percentage concentration of ammonium thiocyanate is 48%, and in liquid caustic soda heater 6, liquid caustic soda feed rate is 1.18 tons
/ hour, in mixing reactor 7, the outflow flow of sodium thiocyanate solution is 2.52 ton hour, Hydrogen thiocyanate
The content of sodium is 30.36%, and yield is 99.7%.
Claims (8)
1. produce a continuous reaction apparatus for sodium rhodanate, including device body, it is characterised in that:
Described device body includes ammonium thiocyanate heater (5), liquid caustic soda heater (6), mixing reactor
And gas-liquid separator (8) (7), ammonium thiocyanate heater is provided with inlet and liquid outlet on (5),
Inlet and liquid outlet, going out of ammonium thiocyanate heater (5) it is also equipped with on liquid caustic soda heater (6)
The liquid outlet of liquid mouth and liquid caustic soda heater (6) all inlets with mixing reactor (7) connect, mixed
The liquid outlet closing reactor (7) connects with the inlet of gas-liquid separator (8), gas-liquid separator (8)
Top be provided with ammonia outlet, the bottom of gas-liquid separator (8) be provided with sodium thiocyanate solution outlet.
A kind of continuous reaction apparatus producing sodium rhodanate the most according to claim 1, its feature
It is: described device body also includes that ammonium thiocyanate storage tank (1), ammonium thiocyanate storage tank set on (1)
It is equipped with inlet and liquid outlet, the liquid outlet of ammonium thiocyanate storage tank (1) and ammonium thiocyanate heater (5)
Inlet connection and ammonium thiocyanate storage tank (1) liquid outlet at be provided with valve.
A kind of continuous reaction apparatus producing sodium rhodanate the most according to claim 2, its feature
It is: set up ammonium thiocyanate delivery pump (3), the inlet of ammonium thiocyanate delivery pump (3) and Hydrogen thiocyanate
The liquid outlet connection of ammonium storage tank (1), the liquid outlet of ammonium thiocyanate delivery pump (3) adds with ammonium thiocyanate
The inlet connection of hot device (5).
A kind of continuous reaction apparatus producing sodium rhodanate the most according to claim 2, its feature
It is: at the liquid outlet of described ammonium thiocyanate storage tank (1), be provided with effusion meter.
A kind of continuous reaction apparatus producing sodium rhodanate the most according to claim 1, its feature
It is: described device body also includes that liquid caustic soda storage tank (2), liquid caustic soda storage tank are provided with feed liquor on (2)
Mouthful and liquid outlet, the liquid outlet of liquid caustic soda storage tank (2) connect with the inlet of liquid caustic soda heater (6) and
It is provided with valve at the liquid outlet of liquid caustic soda storage tank (2).
A kind of continuous reaction apparatus producing sodium rhodanate the most according to claim 5, its feature
It is: set up liquid caustic soda delivery pump (4), the inlet of liquid caustic soda delivery pump (4) and liquid caustic soda storage tank (2)
Liquid outlet connection, the inlet of the liquid outlet of liquid caustic soda delivery pump (4) and liquid caustic soda heater (6) is even
Logical.
A kind of continuous reaction apparatus producing sodium rhodanate the most according to claim 5, its feature
It is: at the liquid outlet of described liquid caustic soda storage tank (2), be also equipped with effusion meter.
A kind of continuous reaction apparatus producing sodium rhodanate the most according to claim 1, its feature
It is: described gas-liquid separator (8) bottom is inverted taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620471328.6U CN205634913U (en) | 2016-05-23 | 2016-05-23 | Production sodium sulfocyanate's consecutive reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620471328.6U CN205634913U (en) | 2016-05-23 | 2016-05-23 | Production sodium sulfocyanate's consecutive reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205634913U true CN205634913U (en) | 2016-10-12 |
Family
ID=57055111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620471328.6U Active CN205634913U (en) | 2016-05-23 | 2016-05-23 | Production sodium sulfocyanate's consecutive reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205634913U (en) |
-
2016
- 2016-05-23 CN CN201620471328.6U patent/CN205634913U/en active Active
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