CN206560852U - A kind of liquid storage feeding device of the grignard reaction initiator of detachable - Google Patents
A kind of liquid storage feeding device of the grignard reaction initiator of detachable Download PDFInfo
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- CN206560852U CN206560852U CN201720249730.4U CN201720249730U CN206560852U CN 206560852 U CN206560852 U CN 206560852U CN 201720249730 U CN201720249730 U CN 201720249730U CN 206560852 U CN206560852 U CN 206560852U
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- liquid storage
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- nitrogen
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Abstract
The utility model discloses a kind of liquid storage feeding device of the grignard reaction initiator of detachable, sample interpolation pipe is connected with flange, and first pipeline one end is connected with liquid storage pot bottom, and the other end is connected on sample interpolation pipe by first-hand valve；Second pipe one end is connected with liquid storage pot bottom, and the other end is connected by second-hand's valve with sample tap, connection emptying hand valve, flange-interface above fluid reservoir, and nitrogen valve is arranged on above fluid reservoir, for connecting nitrogen pipeline；Flange-interface is connected with corresponding material interface, or sealed with blank flange.Liquid storage tank side is installed by visor.The liquid storage feeding device can be widely used in the production process of various RMgBrs; have the advantages that to take liquid and charging behaviour convenience, liquid storage safety, the range of applicability of reactor are wide, install succinct; particularly entirely take liquid store and charging process all in nitrogen protect under, can effectively prevent various dusts, oxygen, moisture etc. enter grignard reaction system.
Description
Technical field
The utility model is related to a kind of liquid storage feeding device of the grignard reaction initiator of detachable, belongs to chemical industry equipment skill
Art field.
Background technology
Grignard reaction is the major class chemical reaction in Chemical Manufacture and pharmaceuticals industry, is widely used in bulk drug and senior
The production of intermediate.Wherein the preparation of RMgBr when the difficult point implemented of grignard reaction, typically the preparation rank in RMgBr
Section, magnesium metal is often difficult to timely initiation in halogenated organic matters, and causes the accumulation of reaction heat, frequently results in reaction system
Temperature drift, or even cause the danger of slug and blast.The addition of RMgBr initiator is maximally effective so far quick
The method for safely preparing RMgBr, can trigger the reaction of metallic magnesium surface in time, reduce the risk of reaction heat accumulation.
The storage and charging of RMgBr initiator are the weights of the safe and effective progress of grignard reaction amplification industrialized production
Basic, the liquid storage and feeding device of complete set are one of important optional equipments of RMgBr reactor.In most of works
Factory, the flange port that the addition of RMgBr initiator is often opened in the mirror mouth or other reactor kettle covers of reactor is artificial
Add, this operation not only easily makes reaction mass ingress of air and moisture and influences the quality of product, particularly in reactor
In the presence of a large amount of inflammable organic materials and magnesium metal, there is serious hidden danger in safe operation.In presently commercially available equipment, sell
High price is expensive, but universality is poor, generally requires for special reactor, and equipment installation and removal need input substantial amounts of
Manually.
The content of the invention
In order to solve the above problems, the purpose of this utility model is that the grignard reaction for providing the detachable of reactor triggers
The liquid storage feeding device of agent, the device can be widely used in the grignard reaction of Chemical Manufacture reactor, facilitate with behaviour's use,
Applied widely, safe and reliable, cheap the advantages of, particularly whole operation process all in nitrogen protect under, can
Effectively prevent the environment such as air, moisture and human factor from entering reaction system and avoid operator from directly contacting venomous injurant
Material.
To achieve these goals, the technical solution adopted in the utility model is as follows：
A kind of liquid storage feeding device of the grignard reaction initiator of detachable, including it is sample interpolation pipe, flange, first-hand
Valve, the first pipeline, second pipe, fluid reservoir, emptying hand valve, second-hand's valve and sample tap；The sample interpolation pipe and flange phase
Even, first pipeline one end is connected with liquid storage pot bottom, and the other end is connected on sample interpolation pipe by first-hand valve；Second pipe
One end is connected with liquid storage pot bottom, and the other end is connected by second-hand's valve with sample tap, connection emptying hand valve above fluid reservoir.
Also include nitrogen valve, the nitrogen valve is arranged on above fluid reservoir, for connecting nitrogen pipeline, nitrogen pipeline
On be provided with nitrogen hand valve.
Flange-interface is provided with above the fluid reservoir, flange-interface is connected with corresponding material interface, or uses flange
Blind plate sealing.
Visor is installed in liquid storage tank side, for observing amount of liquid storage.
First pipeline and second pipe are stainless-steel pipe, more preferably 316 stainless-steel pipes.
Be connected below sample interpolation pipe and flange and form, sample interpolation pipe is 316 stainless-steel pipes, flange can with it is each
The opening for planting reactor is connected.
In use, by sample interpolation pipe intercalation reaction kettle, reactor is covered tightly with flange.When liquid storage is operated, to reactor
In be filled with nitrogen and keep pressure-fired in reactor, open emptying hand valve and first-hand valve, RMgBr passed through into sample interpolation pipe
It is pressed into fluid reservoir, observing material by visor reaches after amount of liquid storage, closes first-hand valve, by the pressure-emptying in reactor extremely
Normal pressure, by connecting nitrogen pipeline at nitrogen valve, opens nitrogen hand valve, emptying hand valve, completes liquid storage operation successively；Charging behaviour
When making, nitrogen valve is connected on nitrogen pipeline, is opened nitrogen valve switch, is pressurizeed into fluid reservoir, opens first-hand valve, will
In material press-in reactor, after the material noresidue such as observation visor, close first-hand valve and close valve switch, by being vented hand
Valve is vented to fluid reservoir.When being sampled detection to liquid storage, nitrogen valve is connected on nitrogen pipeline, is opened nitrogen valve and is opened
Close, sampling bottle is placed at sample tap, open second-hand's valve and liquid storage is pressed into sampling bottle, complete after sampling, close nitrogen
Valve is switched and second-hand's valve.
The characteristics of the utility model is simple in construction, and liquid storage and feeding operation are convenient, and operating process whole process is protected in nitrogen
It is safe and reliable under shield, pass through nitrogen blowback interpolation pipe Liquid Residue, it is ensured that interpolation pipe RMgBr adds the residual of initiator, and can
To be sampled analysis to RMgBr, the authenticity and reliability of Product checking is effectively ensured.
Beneficial effect
A kind of liquid storage feeding device of the grignard reaction initiator of the detachable for reactor that the utility model is provided, it is fitted
It is wide with scope, can be according on the reactor of different volumes, installation process is simple, and liquid storage and feeding operation are convenient；
Liquid storage and feeding operation the process whole process of device can effectively prevent the rings such as air, moisture under nitrogen protection
Border or human factor enter reaction system, while avoid operator from directly contacting poisonous and harmful material, it is safe and reliable, and lead to
Cross nitrogen blowback interpolation pipe Liquid Residue, it is ensured that interpolation pipe RMgBr adds the residual of initiator, it is possible to which RMgBr is carried out
Sampling analysis, is effectively ensured the authenticity and reliability of Product checking.
Brief description of the drawings
The detachable sampler structure chart of Fig. 1 the utility model reactors；
Wherein：1- sample interpolations pipe, 2- flanges, the first-hand valves of 3-, the pipelines of 4- first, 5- second pipes, 6- fluid reservoirs, 7-
It is vented hand valve, 8- flange-interfaces, 9- visors, 10- nitrogen valve, 11- second-hand's valve, 12- sample taps.
Embodiment
Embodiment 1
A kind of liquid storage feeding device of the grignard reaction initiator of the detachable of reactor, as shown in figure 1, it includes sampling
Interpolation pipe 1, flange 2, first-hand valve 3, the first pipeline 4, second pipe 5, fluid reservoir 6, emptying hand valve 7, flange-interface 8, visor
9th, nitrogen valve 10, second-hand's valve 11 and sample tap 12；The sample interpolation pipe 1 is connected with flange 2, the one end of the first pipeline 4 with
The bottom of fluid reservoir 6 is connected, and the other end is connected on sample interpolation pipe 1 by first-hand valve 3；The one end of second pipe 4 and fluid reservoir 6
Bottom is connected, and the other end is connected by second-hand's valve 11 with sample tap 12, the top of fluid reservoir 6 connection emptying hand valve 7, flange-interface
8, nitrogen valve 10 is arranged on the top of fluid reservoir 6, for connecting nitrogen pipeline；Flange-interface 8 is connected with corresponding material interface,
Or sealed with blank flange.Visor 9 is installed in the tank body side of fluid reservoir 6, for observing amount of liquid storage.
In use, by the intercalation reaction kettle of sample interpolation pipe 1, reactor is covered tightly with flange 2.When liquid storage is operated, to reaction
Nitrogen is filled with kettle and keeps pressure-fired in reactor, emptying hand valve 7 and first-hand valve 3 is opened, RMgBr is passed through in sampling
Intubation 1 is pressed into fluid reservoir 6, and observing material by visor 9 reaches after amount of liquid storage, first-hand valve 3 is closed, by the pressure in reactor
Power is vented to normal pressure, by connecting nitrogen pipeline at nitrogen valve 10, and nitrogen hand valve, emptying hand valve 7 are opened successively, liquid storage is completed
Operation；During feeding operation, nitrogen valve 10 is connected on nitrogen pipeline, opens the switch of nitrogen valve 10, is added into fluid reservoir
Pressure, opens first-hand valve 3, and material is pressed into reactor, after the material noresidue such as observation visor, closes first-hand valve 3 and closes
The switch of nitrogen valve 10 is closed, fluid reservoir is vented by being vented hand valve 7.When being sampled detection to fluid reservoir, nitrogen valve
10 are connected on nitrogen pipeline, open nitrogen valve switch, sampling bottle is placed at sample tap 12, and opening second-hand's valve 11 will storage
Liquid is pressed into sampling bottle, is completed after sampling, is closed nitrogen valve 10 and is switched and second-hand's valve 11.
The liquid storage feeding device can be widely used in the production process of various RMgBrs, be grasped with liquid and charging is taken
With convenience, liquid storage safety, the range of applicability of reactor are wide, install succinct the advantages of, particularly entirely take liquid to store and feed
Process all in nitrogen protect under, can effectively prevent various dusts, oxygen, moisture etc. enter grignard reaction system.
Claims (5)
1. a kind of liquid storage feeding device of grignard reaction initiator, it is characterised in that including sample interpolation pipe（1）, flange（2）、
First-hand valve（3）, the first pipeline（4）, second pipe（5）, fluid reservoir（6）, emptying hand valve（7）, second-hand's valve（11）And sampling
Mouthful（12）；The sample interpolation pipe（1）With flange（2）It is connected, the first pipeline（4）One end and fluid reservoir（6）Bottom is connected, another
End passes through first-hand valve（3）It is connected to sample interpolation pipe（1）On；Second pipe（5）One end and fluid reservoir（6）Bottom is connected, separately
One end passes through second-hand's valve（11）With sample tap（12）It is connected, fluid reservoir（6）Top connection emptying hand valve（7）.
2. the liquid storage feeding device of a kind of grignard reaction initiator according to claim 1, it is characterised in that also including nitrogen
Gas valve（10）, the nitrogen valve（10）It is arranged on fluid reservoir（6）Top, for connecting nitrogen pipeline.
3. a kind of liquid storage feeding device of grignard reaction initiator according to claim 1, it is characterised in that the liquid storage
Tank（6）Top is provided with flange-interface（8）, flange-interface（8）It is connected with corresponding material interface, or it is close with blank flange
Envelope.
4. a kind of liquid storage feeding device of grignard reaction initiator according to claim 1, it is characterised in that fluid reservoir
（6）Tank body side is installed by visor（9）.
5. the liquid storage feeding device of a kind of grignard reaction initiator according to claim 1, it is characterised in that described first
Pipeline（4）And second pipe（5）It is stainless-steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720249730.4U CN206560852U (en) | 2017-03-15 | 2017-03-15 | A kind of liquid storage feeding device of the grignard reaction initiator of detachable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720249730.4U CN206560852U (en) | 2017-03-15 | 2017-03-15 | A kind of liquid storage feeding device of the grignard reaction initiator of detachable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206560852U true CN206560852U (en) | 2017-10-17 |
Family
ID=60030668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720249730.4U Active CN206560852U (en) | 2017-03-15 | 2017-03-15 | A kind of liquid storage feeding device of the grignard reaction initiator of detachable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206560852U (en) |
-
2017
- 2017-03-15 CN CN201720249730.4U patent/CN206560852U/en active Active
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