CN212199070U - Chloroacetic acid solution apparatus for producing - Google Patents
Chloroacetic acid solution apparatus for producing Download PDFInfo
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- CN212199070U CN212199070U CN202020667069.0U CN202020667069U CN212199070U CN 212199070 U CN212199070 U CN 212199070U CN 202020667069 U CN202020667069 U CN 202020667069U CN 212199070 U CN212199070 U CN 212199070U
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- chloroacetic acid
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- acid solution
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Abstract
The utility model belongs to the technical field of chemical production, a chloroacetic acid solution apparatus for producing is proposed, including the melting jar, including feed inlet one and discharge gate one, heating device for material to the melting jar in heats, the blender, including feed inlet two, feed inlet three and discharge gate two, feed inlet two with discharge gate one intercommunication, water supply pipe, with feed inlet three intercommunication, the liquid storage pot, with discharge gate two intercommunication. Through above-mentioned technical scheme, the problem of solid-state chloroacetic acid awkward among the prior art has been solved.
Description
Technical Field
The utility model belongs to the technical field of chemical production, a chloroacetic acid solution apparatus for producing is related to.
Background
Chloroacetic acid is an important organic chemical raw material and is mainly used for producing carboxymethyl cellulose, glycine, ethyl chloroacetate and the like. The main method for industrially producing chloroacetic acid at present is an acetic acid catalytic chlorination method, which can be divided into a continuous method and an intermittent method. Compared with the batch method, the continuous method has the advantages of small device scale, large capacity, advanced production technology, high product quality, less pollution and corrosion and the like. However, the chloroacetic acid products produced by any method are sold in a solid form, and need to be prepared into solution manually during use, so that the operation is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a chloroacetic acid solution apparatus for producing has solved the awkward problem of solid-state chloroacetic acid among the prior art.
The technical scheme of the utility model is realized like this: comprises that
The melting tank comprises a first feeding hole and a first discharging hole,
a heating device for heating the materials in the melting tank,
the mixer comprises a second feeding port, a third feeding port and a second discharging port, the second feeding port is communicated with the first discharging port,
a water supply pipeline communicated with the feed inlet III,
and the liquid storage tank is communicated with the second discharge hole.
Further, the temperature in the melting tank is 70-90 ℃.
Further, the heating device is a heating coil, the heating coil is laid on the outer wall of the melting tank, and the heating coil is used for being communicated with a steam pipeline.
Further, a thermometer is arranged in the melting tank, a first control valve is arranged on the steam pipeline, and the thermometer and the first control valve are connected with a controller.
Further, a first flowmeter and a second control valve are sequentially arranged on a pipeline between the first discharge port and the second feed port,
a second flowmeter and a third control valve are sequentially arranged on the pipeline between the water supply pipeline and the third feed inlet,
a densimeter is arranged on the pipeline between the second discharge port and the liquid storage tank,
the first flowmeter, the second flowmeter and the densimeter are all connected with a controller.
Furthermore, an electric tracing band is wound on the outer side of the pipeline between the first discharge port and the second feed port.
Further, a delivery pump is arranged on a pipeline between the first discharge port and the second feed port.
The utility model discloses a theory of operation and beneficial effect do:
the utility model discloses well solid-state or liquid chloroacetic acid adds the melting tank from feed inlet one, heats through heating device, melts solid-state chloroacetic acid, and liquid chloroacetic acid gets into the blender from feed inlet two, and simultaneously, the running water gets into the blender from feed inlet three, becomes chloroacetic acid solution after chloroacetic acid and the running water intensive mixing, and chloroacetic acid solution is stored in the liquid storage pot from two outflow of discharge gate.
The utility model is simple in operation and the chloroacetic acid solution misce bene of production, the high quality, simultaneously, the chloroacetic acid solution can pass through the pipe-line transportation, compares with solid-state chloroacetic acid, has saved artifical handling cost, be convenient for storage and measurement, convenient to use.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-a melting tank, 101-a first feeding hole, 102-a first discharging hole, 2-a heating device, 3-a mixer, 31-a second feeding hole, 32-a third feeding hole, 33-a second discharging hole, 5-a liquid storage tank, 6-a steam pipeline, 7-a thermometer, 8-a first control valve, 9-a first flowmeter, 10-a second control valve, 11-a second flowmeter, 12-a third control valve, 13-a densimeter and 14-a delivery pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in FIG. 1, the present embodiment provides a chloroacetic acid solution production apparatus, which includes
The melting tank 1 comprises a first feeding hole 101 and a first discharging hole 102,
a heating device 2 for heating the material in the melting tank 1,
the mixer 3 comprises a second feeding hole 31, a third feeding hole 32 and a second discharging hole 33, the second feeding hole 31 is communicated with the first discharging hole 102,
a water supply pipeline communicated with the third feeding hole 32,
the liquid storage tank 5 is communicated with the second discharge hole 33.
In this embodiment, firstly, solid chloroacetic acid (with a content of 98.8%, dichloroacetic acid 0.8%, and acetic acid 0.4%) produced by a batch process is added into a melting tank 1 from a first feed inlet 101, and is heated by a heating device 2 to melt the solid chloroacetic acid, a temperature table 7 shows that the temperature is 80 ℃, the chloroacetic acid can be kept in a liquid state at a temperature of 80 ℃, the liquid chloroacetic acid enters a mixer 3 from a second feed inlet 31, meanwhile, tap water enters the mixer 3 from a third feed inlet 32, the chloroacetic acid and the tap water are fully mixed to form a chloroacetic acid solution, the chloroacetic acid solution flows out from a second discharge outlet 33 to a liquid storage tank 5 for storage, and the results of three-time sampling analysis are: (chloroacetic acid content) 70.08%, 70.04% and 70.05%, and the content reaches 70.0-70.1% of the standard requirement.
Further, the heating device 2 is a heating coil which is laid on the outer wall of the melting tank 1 and is used for being communicated with the steam pipeline 6.
Through set up heating coil at 1 outer wall of melting tank to letting in steam in the heating coil, realize the even heating to chloroacetic acid in the melting tank 1, steam heating rate is fast moreover, and heating efficiency is high, with low costs.
Furthermore, a thermometer 7 is arranged in the melting tank 1, a first control valve 8 is arranged on the steam pipeline 6, and the thermometer 7 and the first control valve 8 are both connected with a controller.
The temperature meter 7 is arranged in the melting tank 1, the temperature meter 7 sends the temperature in the melting tank 1 to the controller in real time, and the controller adjusts the opening of the first control valve 8 in real time according to the data of the temperature meter 7. When the temperature in the melting tank 1 is higher than a set value, reducing the opening of the first control valve 8 to reduce the temperature in the melting tank 1; and when the temperature in the melting tank 1 is lower than the set value, increasing the opening of the first control valve 8 to increase the temperature in the melting tank 1.
In this embodiment, the arrangement of the temperature gauge 7 and the first control valve 8 is beneficial to realizing the automatic control of the temperature in the melting tank 1, thereby not only saving the manpower, but also having high control precision.
Further, a first flowmeter 9 and a second control valve 10 are sequentially arranged on the pipeline between the first discharge port 102 and the second feed port 31,
a second flowmeter 11 and a third control valve 12 are sequentially arranged on the pipeline between the water supply pipeline and the third feed inlet 32,
a densimeter 13 is arranged on the pipeline between the second discharge port 33 and the liquid storage tank 5,
the first flowmeter 9, the second flowmeter 11 and the densitometer 13 are all connected with the controller.
A first flowmeter 9 and a second control valve 10 are sequentially arranged on a pipeline between a first discharge port 102 and a second feed port 31, a second flowmeter 11 and a third control valve 12 are arranged on a pipeline between a water supply pipeline and a third feed port 32, a densimeter 13 is arranged on a pipeline between a second discharge port 33 and a liquid storage tank 5, the densimeter 13 is used for detecting the density of the chloroacetic acid solution at the second discharge port 33 in real time and sending the chloroacetic acid density value to a controller, when the density of the chloroacetic acid solution is smaller than a set value, the controller increases the set value of the first flowmeter 9, the first flowmeter 9 controls to increase the opening degree of the second control valve 10, the controller reduces the set value of the second flowmeter 11, and the second flowmeter 11 controls to reduce the opening degree of the second control valve 10 so as to increase the concentration of the chloroacet; when the density of the chloroacetic acid solution is larger than a set value, the controller reduces a given value of the first flowmeter 9, the first flowmeter 9 controls to reduce the opening degree of the second control valve 10, meanwhile, the controller increases the numerical value of the second flowmeter 11, and the second flowmeter 11 controls to increase the opening degree of the second control valve 10 so as to reduce the concentration of the chloroacetic acid solution.
The embodiment realizes the automatic control of the concentration of the chloroacetic acid solution, can produce chloroacetic acid solutions with different concentrations according to actual needs, and expands the application range of the chloroacetic acid.
Further, an electric tracing band is wound on the outer side of the pipeline between the first discharge port 102 and the second feed port 31.
An electric tracing band is arranged on the outer side of the pipeline between the first discharge port 102 and the second feed port 31, so that the temperature of chloroacetic acid in the pipeline is kept, and the phenomenon that the chloroacetic acid is crystallized and blocks the pipeline due to the fact that the temperature of the chloroacetic acid is too low is avoided.
Further, a conveying pump 14 is arranged on a pipeline between the first discharge port 102 and the second feed port 31.
The liquid chloroacetic acid in the melting tank 1 is conveyed to the second feeding hole 31 of the mixer 3 through the conveying pump 14, so that the labor is saved, and the production efficiency is improved.
Example two
In this embodiment, first, liquid chloroacetic acid (content 99.5%, dichloroacetic acid 0.4%, acetic acid 0.1%) produced by a continuous method is added into a melting tank 1 from a first feed inlet 101, and heated by a heating device 2 to melt solid chloroacetic acid, a temperature table 7 shows that the temperature is 78 ℃, the chloroacetic acid can be kept in a liquid state at 78 ℃, the liquid chloroacetic acid enters a mixer 3 from a second feed inlet 31, meanwhile, tap water enters the mixer 3 from a third feed inlet 32, the chloroacetic acid and the tap water are fully mixed to form a chloroacetic acid solution, the chloroacetic acid solution flows out from a second discharge outlet 33 to a liquid storage tank 5 for storage, and the results of three sampling analysis are as follows: (chloroacetic acid content) 70.01%, 70.03% and 70.04%, and the content reaches 70.0-70.1% of the standard requirement.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a chloroacetic acid solution apparatus for producing which characterized in that: comprises that
A melting tank (1) comprises a first feeding hole (101) and a first discharging hole (102),
a heating device (2) for heating the material in the melting tank (1),
the mixer (3) comprises a second feeding hole (31), a third feeding hole (32) and a second discharging hole (33), the second feeding hole (31) is communicated with the first discharging hole (102),
a water supply pipeline which is communicated with the third feed inlet (32),
and the liquid storage tank (5) is communicated with the second discharge hole (33).
2. The chloroacetic acid solution production apparatus of claim 1, wherein: the temperature in the melting tank (1) is 70-90 ℃.
3. The chloroacetic acid solution production apparatus of claim 1, wherein: the heating device (2) is a heating coil, the heating coil is laid on the outer wall of the melting tank (1), and the heating coil is communicated with the steam pipeline (6).
4. A chloroacetic acid solution production apparatus according to claim 3, characterized in that: the steam pipeline type steam melting tank is characterized in that a thermometer (7) is arranged in the melting tank (1), a first control valve (8) is arranged on the steam pipeline (6), and the thermometer (7) and the first control valve (8) are both used for being connected with a controller.
5. The chloroacetic acid solution production apparatus of claim 1, wherein: a first flowmeter (9) and a second control valve (10) are sequentially arranged on the pipeline between the first discharge hole (102) and the second feed hole (31),
a second flowmeter (11) and a third control valve (12) are sequentially arranged on the pipeline between the water supply pipeline and the third feed inlet (32),
a densimeter (13) is arranged on a pipeline between the second discharge port (33) and the liquid storage tank (5),
the first flowmeter (9), the second flowmeter (11) and the densimeter (13) are all connected with a controller.
6. The chloroacetic acid solution production apparatus of claim 1, wherein: an electric tracing band is wound on the outer side of the pipeline between the first discharge hole (102) and the second feed hole (31).
7. The chloroacetic acid solution production apparatus of claim 1, wherein: and a conveying pump (14) is arranged on a pipeline between the first discharge hole (102) and the second feed hole (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020667069.0U CN212199070U (en) | 2020-04-27 | 2020-04-27 | Chloroacetic acid solution apparatus for producing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020667069.0U CN212199070U (en) | 2020-04-27 | 2020-04-27 | Chloroacetic acid solution apparatus for producing |
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| Publication Number | Publication Date |
|---|---|
| CN212199070U true CN212199070U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020667069.0U Active CN212199070U (en) | 2020-04-27 | 2020-04-27 | Chloroacetic acid solution apparatus for producing |
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| Country | Link |
|---|---|
| CN (1) | CN212199070U (en) |
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2020
- 2020-04-27 CN CN202020667069.0U patent/CN212199070U/en active Active
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