CN219463362U - Amino acetic acid reaction unit - Google Patents

Abstract

The utility model discloses a glycine reaction device, and relates to the technical field of glycine. The device comprises a vaporizer, wherein an air outlet end of the vaporizer is communicated with a reaction kettle through an ammonia pipe, the device further comprises a centrifugal machine and two extraction tanks, and an electromagnetic valve is arranged on the ammonia pipe, and the device is characterized in that: the water tank also comprises a constant temperature water tank; the water outlet end of the constant temperature water tank is communicated with the water tank of the carburetor; the feeding end of the reaction kettle is communicated with a plurality of feeding pipes; the feeding pipes are provided with a metering device and a metering valve, and a control circuit of the metering valve is communicated with the metering device. The beneficial effects of the utility model are as follows: when in use, the reaction is more stable, the labor is saved, the control and the use are more convenient, and the use is also safe.

Description

Amino acetic acid reaction unit

Technical Field

The utility model relates to the technical field of glycine, in particular to a glycine reaction device.

Background

The glycine is a kind of non-essential amino acid commonly called glycine, gum, white monoclinic or hexagonal crystal, or white crystal powder, and has no odor and special sweet taste. Is easy to dissolve in water, slightly soluble in methanol and ethanol, and almost insoluble in acetone and diethyl ether. The ammonia production is carried out through the cooperation of the liquid ammonia and the water tank in the vaporizer during the glycine reaction, and the water of different temperatures has an influence on the vaporization of the liquid ammonia, so that the temperature of the water in the water tank in the conventional vaporizer cannot be regulated, the ammonia generated after the vaporization of the liquid ammonia is unstable, the reaction use is easily influenced, a large amount of control valve switches and the like are needed during the conventional operation, a large amount of manpower is needed for controlling, the use is inconvenient, the liquid level in the container in the chemical reaction is too high Shi Yi to generate danger, and the conventional inconvenient detection of the liquid level is used for emergency cutting off, so that the potential safety hazard is caused.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide an amino acetic acid reaction device aiming at the technical defects. When in use, the reaction is more stable, the labor is saved, the control and the use are more convenient, and the use is also safe.

The technical scheme adopted by the utility model is as follows: the utility model provides an glycine reaction unit, including the vaporizer, vaporizer air outlet end has reation kettle through ammonia pipe intercommunication, still includes centrifuge and two extraction tanks, is provided with solenoid valve, its characterized in that on the ammonia pipe: the water tank also comprises a constant temperature water tank; the water outlet end of the constant temperature water tank is communicated with the water tank of the carburetor; the feeding end of the reaction kettle is communicated with a plurality of feeding pipes; the feeding pipes are provided with a meter and a metering valve, and a control circuit of the metering valve is communicated with the meter; a cut-off liquid level meter is arranged in the reaction kettle, and control circuits of the electromagnetic valve and the metering valve are connected with the cut-off liquid level meter; the discharge end of the reaction kettle is respectively communicated with the feed ends of the two extraction tanks through a T-pipe A; the A three-way pipe is provided with a timing three-way valve in a matched manner; a liquid control valve A is arranged on the three-way pipe at the reaction kettle; the extraction tanks are internally provided with A liquid level meters which are matched with A liquid control valves; the two extraction tanks are communicated with a centrifugal machine through a three-way pipe B; a B hydraulic control valve is correspondingly arranged on the B three-way pipe at the two extraction tanks; and a B liquid level meter matched with the B liquid control valve is arranged in the centrifugal machine.

Further optimizing the technical scheme, the glycine reaction device also comprises an inner circulation pipeline and an outer circulation pipeline; an inner cooling pipe in the reaction kettle is communicated with an inner circulating pipeline; an outer cooling pipe at the outer side of the reaction kettle is communicated with an outer circulating pipeline.

Further optimizing this technical scheme, a glycine reaction unit's inlet pipe quantity is three, is chloroacetic acid's inlet pipe respectively, urotropine's inlet pipe, the inlet pipe of moisturizing around.

Further optimizing this technical scheme, a glycine reaction unit's metering valve sets up the feeding pipeline section between counter and reation kettle.

Further optimizing the technical scheme, the vaporizer of the glycine reaction device is a vaporizer of liquid ammonia.

Compared with the traditional glycine reaction device, the utility model has the beneficial effects that:

1. the constant temperature water tank and the vaporizer are matched, so that the liquid ammonia in the vaporizer is gasified more stably, the ammonia at the gasified position is also more stable, and the ammonia also stably enters the reaction kettle to react;

2. the reaction coordination of the reaction kettle, the counter, the metering valve, the ammonia pipe, the electromagnetic valve, the feeding pipe, the liquid control valve A, the three-way pipe A, the timing three-way valve, the extraction tank, the three-way pipe B, the centrifugal machine and the liquid control valve B utilizes a large amount of automatic control, reduces manual control, realizes partial automation, is more convenient to control and use, saves manpower and is more convenient to use;

3. the arrangement of the liquid level meter, the liquid level meter A and the liquid level meter B is cut off, so that special situations are prevented, and the use is safer;

4. the reaction kettle is cooled through the two paths of water pipes, so that the cooling effect is better, and the cooling efficiency is higher.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a partial structure in the reaction kettle of the utility model;

in the figure, 1, a carburetor; 2. an ammonia gas pipe; 3. a centrifuge; 4. an extraction tank; 5. an electromagnetic valve; 6. a constant temperature water tank; 7. a feed pipe; 8. a gauge; 9. a metering valve; 10. cutting off the liquid level meter; 11. a three-way pipe; 12. a timing three-way valve; 13. a, a hydraulic control valve; 14. a, a liquid level meter; 15. b three-way pipe; 16. a liquid control valve B; 17. a liquid level meter B; 18. an inner circulation pipe; 19. an outer circulation pipe; 20. and (3) a reaction kettle.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

As shown in fig. 1-2, an glycine reaction device comprises a vaporizer 1, wherein an air outlet end of the vaporizer 1 is communicated with a reaction kettle 20 through an ammonia gas pipe 2, the glycine reaction device further comprises a centrifugal machine 3 and two extraction tanks 4, an electromagnetic valve 5 is arranged on the ammonia gas pipe 2, and the glycine reaction device is characterized in that: also comprises a constant temperature water tank 6; the water outlet end of the constant temperature water tank 6 is communicated with the water tank of the carburetor 1; the feeding end of the reaction kettle 20 is communicated with a plurality of feeding pipes 7; the feeding pipes 7 are provided with a metering device 8 and a metering valve 9, and a control circuit of the metering valve 9 is communicated with the metering device 8; a cut-off liquid level meter 10 is arranged in the reaction kettle 20, and control circuits of the electromagnetic valve 5 and the metering valve 9 are connected with the cut-off liquid level meter 10; the discharge end of the reaction kettle 20 is respectively communicated with the feed ends of the two extraction tanks 4 through the A three-way pipe 11; the A three-way pipe 11 is provided with a timing three-way valve 12 in a matched manner; the reaction kettle 20 is provided with an A hydraulic control valve 13; an A liquid level meter 14 is arranged in the extraction tank 4, and the A liquid level meter 14 is matched with an A liquid control valve 13; the two extraction tanks 4 are communicated with a centrifugal machine 3 through a B three-way pipe 15; a B hydraulic control valve 16 is correspondingly arranged on the B three-way pipe 15 at the two extraction tanks 4; a B liquid level meter 17 matched with the B liquid control valve 16 is arranged in the centrifugal machine 3; also comprises an inner circulation pipeline 18 and an outer circulation pipeline 19; the inner cooling pipe in the reaction kettle 20 is communicated with the inner circulation pipeline 18; an outer cooling pipe at the outer side of the reaction kettle 20 is communicated with an outer circulation pipeline 19; the number of the feeding pipes 7 is three, namely a chloroacetic acid feeding pipe 7, a urotropine feeding pipe 7 and a front-back water supplementing feeding pipe 7; the metering valve 9 is arranged at the section 7 of the feeding pipe between the meter 8 and the reaction kettle 20; vaporizer 1 is vaporizer 1 for liquid ammonia.

The extraction tank 4 is internally provided with an A liquid level meter 14 matched with an A liquid control valve 13, and the control logic is that the A liquid control valve 13 is not mainly interlocked with the A liquid level meter 14, the A liquid control valve 13 is mainly automatically closed after the reaction kettle 20 is detected to be discharged, the A liquid level meter 14 is matched with the A liquid control valve 13, and meanwhile, after the A liquid level meter 14 detects that the liquid level is too high, all pipeline valves entering the extraction tank 4 are also interlocked and closed;

the A hydraulic control valve 13 and the B hydraulic control valve 16 are valves for automatically cutting off after detecting that no liquid exists in the pipe; the meter 8 and the metering valve 9 can adjust the set liquid amount, the metering valve 9 is controlled to be cut off after the set liquid amount is reached, and the electromagnetic valve 5 and all the metering valves 9 are controlled to be cut off when the cut-off liquid level meter 10 detects that the liquid in the reaction kettle 20 reaches the set liquid level; the control circuit of the A liquid control valve 13 is connected with the A liquid level meter 14, and the control circuit of the B liquid control valve 16 is connected with the B liquid level meter 17; when the liquid level gauge (14) or the liquid level gauge (17) detects that the liquid in the container reaches the set liquid level, the corresponding liquid control valve (13) or the corresponding liquid control valve (16) is controlled to be cut off; the timing three-way valve 12 can be used for setting time, so that the reaction kettle 20 is communicated with one of the extraction tanks 4 for a period of time, and the reaction kettle 20 is communicated with the other extraction tank 4 for a period of time after the setting time is reached, and exchange communication is sequentially carried out; the control circuits of the electromagnetic valve 5 and the A hydraulic control valve 13 are connected with the reaction kettle 20; the A hydraulic control valve 13 and the B hydraulic control valve 16 are valves which are automatically cut off after no liquid is detected;

the constant temperature water tank 6 is used for keeping the water constant to a set value, the set value water enters the water tank of the vaporizer 1, the constant temperature water enables the vaporization of the liquid ammonia in the vaporizer 1 to be more stable, ammonia at the vaporization position is also more stable, and the ammonia also stably enters the reaction kettle 20 for reaction;

after other materials in the reaction kettle 20 are put into the reaction kettle through the meter 8 and the metering valve 9, the electromagnetic valve 5 on the ammonia pipe 2 is opened, ammonia gas enters the reaction kettle 20, then the chloroacetic acid metering valve 9 is opened to enable chloroacetic acid to enter the reaction kettle 20, the materials in the reaction kettle 20 react, after the chloroacetic acid enters the reaction kettle 20 to reach a set quantity, the flowmeter on the chloroacetic acid feeding pipe 7 controls the cut-off flow valve, ammonia gas continues to be fed into the reaction kettle 20, when the PH value and the temperature detected in the reaction kettle 20 reach the end point value, the reaction kettle 20 controls the electromagnetic valve 5 on the ammonia pipe 2 to be cut off, the reaction is finished, and meanwhile, the reaction kettle 20 controls the A hydraulic control valve 13 to be opened; a large number of elements such as valves are utilized, manual control is reduced, partial automation is realized, the control and the use are more convenient, the manpower is saved, and the use is more convenient;

the liquid in the reaction kettle 20 reaches the position of a timing three-way valve 12 through an A three-way pipe 11, the timing three-way valve 12 is communicated with one of the extraction tanks 4, the liquid is introduced into the communicated extraction tank 4, after the time is reached, the timing three-way valve 12 is communicated with the other extraction tank 4, the liquid is introduced into the other communicated extraction tank 4, and the reaction kettle 20 is exchanged and communicated with the extraction tank 4 through the timing three-way valve 12 and the A three-way pipe 11; the liquid in the extraction tank 4 is communicated with the centrifuge 3 through a B three-way pipe 15, the extraction tank 4 is used for introducing liquid into the centrifuge 3 through the B three-way pipe 15, when a B liquid control valve 16 on the B three-way pipe 15 detects that the corresponding B three-way pipe 15 is empty, the B liquid control valve 16 on the other extraction tank 4 is controlled to be opened by the B liquid control valve 16, the other extraction tank 4 is used for introducing liquid into the centrifuge 3 for centrifuging, and when the liquid is severe, the liquid is introduced into the next working procedure; after the reaction of the reaction kettle 20 is finished, the liquid of the reaction kettle 20 is alternately injected into the two extraction tanks 4, the two extraction tanks 4 are centrifuged by the centrifugal machine 3, the liquid is introduced into the next process after the centrifugal machine 3 is centrifuged, and the centrifugal machine 3 is always centrifuged to prevent the extraction tanks 4 from being filled before the two extraction tanks 4 are filled;

the arrangement of the liquid level meter 10, the liquid level meter A14 and the liquid level meter B17 is cut off, so that special situations are prevented, the reaction kettle 20, the extraction tank 4 or the centrifugal machine 3 is filled, corresponding valves are cut off when the liquid level is reached, danger is prevented, and the arrangement is a safety guarantee arrangement;

the internal circulation pipeline 18 and the external circulation pipeline 19 cool the reaction kettle 20 through two paths of water pipes, so that the cooling effect is better and the cooling efficiency is higher.

The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the utility model belongs to common knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims (5)

1. The utility model provides an glycine reaction unit, includes vaporizer (1), and vaporizer (1) end of giving vent to anger has reation kettle (20) through ammonia trachea (2) intercommunication, still includes centrifuge (3) and two extraction jars (4), is provided with solenoid valve (5), its characterized in that on ammonia pipe (2): also comprises a constant temperature water tank (6); the water outlet end of the constant temperature water tank (6) is communicated with the water tank of the carburetor (1); the feeding end of the reaction kettle (20) is communicated with a plurality of feeding pipes (7); the feeding pipes (7) are provided with a metering device (8) and a metering valve (9), and a control circuit of the metering valve (9) is communicated with the metering device (8); a cut-off liquid level meter (10) is arranged in the reaction kettle (20), and control circuits of the electromagnetic valve (5) and the metering valve (9) are connected with the cut-off liquid level meter (10);

the discharge end of the reaction kettle (20) is respectively communicated with the feed ends of the two extraction tanks (4) through a T-pipe A (11); a timing three-way valve (12) is cooperatively arranged on the A three-way pipe (11); a liquid control valve A (13) is arranged on the three-way pipe at the reaction kettle (20); an A liquid level meter (14) is arranged in the extraction tank (4), and the A liquid level meter (14) is matched with an A liquid control valve (13);

the two extraction tanks (4) are communicated with a centrifugal machine (3) through a B three-way pipe (15); a B hydraulic control valve (16) is correspondingly arranged on the B three-way pipe (15) at the two extraction tanks (4); a B liquid level meter (17) matched with the B liquid control valve (16) is arranged in the centrifugal machine (3).

2. An glycine reaction device according to claim 1, characterized in that: also comprises an inner circulation pipeline (18) and an outer circulation pipeline (19); an inner cooling pipe in the reaction kettle (20) is communicated with an inner circulating pipeline (18); an outer cooling pipe at the outer side of the reaction kettle (20) is communicated with an outer circulation pipeline (19).

3. An glycine reaction device according to claim 1, characterized in that: the number of the feeding pipes (7) is three, namely a chloroacetic acid feeding pipe (7), a urotropine feeding pipe (7) and a front-back water supplementing feeding pipe (7).

4. An glycine reaction device according to claim 1, characterized in that: the metering valve (9) is arranged at the section of the feeding pipe (7) between the metering device (8) and the reaction kettle (20).

5. An glycine reaction device according to claim 1, characterized in that: the vaporizer (1) is a vaporizer (1) of liquid ammonia.