CN203379630U - Device for separating 2-chloro-4-bromophenol by using crystallization method - Google Patents
Device for separating 2-chloro-4-bromophenol by using crystallization method Download PDFInfo
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- CN203379630U CN203379630U CN201320476205.8U CN201320476205U CN203379630U CN 203379630 U CN203379630 U CN 203379630U CN 201320476205 U CN201320476205 U CN 201320476205U CN 203379630 U CN203379630 U CN 203379630U
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- crystallizing tank
- chloro
- bromophenol
- heating
- separates
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Abstract
The utility model discloses a device for separating 2-chloro-4-bromophenol by using a crystallization method, which comprises a crystallization tank, a feed tube, a discharge tube and heating devices, wherein the feed tube is connected to the upper part of the crystallization tank, the discharge tube is connected to the lower part of the crystallization tank, and the heating devices are located in the crystallization tank, and distributed in the crystallization tank in a layered uniform arrangement mode. Each heating device comprises a heating tube and heating pieces, the heating tube is fixed on the crystallization tank, and the heating pieces are fixed on the heating tube. The heating pieces are arc-shaped, opposite in pairs, and fixed on the heating tube in group. The device disclosed by the utility model is simple in equipment, low in energy consumption, and easy to operate; and the device greatly reduces the labor intensity of workers, improves the production efficiency, reduces the production cost, and improves the quality of products.
Description
Technical field
The utility model relates to a kind of separator of chemical field, says exactly a kind of by the separator of Crystallization Separation.
Background technology
The chloro-4-bromophenol of 2-is the important intermediate of producing Profenofos, and its purity directly affects the purity of final products Profenofos.After the chloro-4-bromophenol of 2-bromination, content is generally in 94% left and right, wherein the chloro-6-bromophenol of 2-content general 0.5%.2-is chloro-4, and 6-dibromophenol content is general 3.5%, and o-chlorphenol 1%, need to purify to the chloro-4-bromophenol of 2-, improves content and satisfy the demand.The conventional distillation method is separated, and device is complicated, takes up room large, and equipment cost is high, and the economic input of production is large, consumes energy high, and production cost is high.
The utility model content
The technical problems to be solved in the utility model is to provide the device that a kind of crystallisation separates the chloro-4-bromophenol of 2-, with crystallizing tank, replaces the rectifying column removing impurities.Equipment of the present utility model is simple, and energy consumption is low, easy to operate.Reduced greatly workman's labour intensity, improved production efficiency, reduced production cost,, improved the quality of products simultaneously.
For solving the problems of the technologies described above, crystallisation of the present utility model separates the device of the chloro-4-bromophenol of 2-, comprises crystallizing tank; Be connected to the feed pipe on crystallizing tank top, be connected to the discharge nozzle of crystallizing tank bottom; Be positioned at the heater of crystallizing tank inside, the heater layering evenly is arranged in crystallizing tank.
As the further improvement to the technical program, heater comprises the heating tube be fixed on crystallizing tank and is fixed on the heating plate on heating tube.
As the further improvement to the technical program, heating plate is arcuation, and heating plate is relative in twos, is fixed on heating tube in groups.
As the further improvement to the technical program, also be provided with evacuation port and level display device on crystallizing tank.
As the further improvement to the technical program, also be provided with temperature indicating device on crystallizing tank, temperature indicating device layering setting corresponding with heater.
As the further improvement to the technical program, the crystallizing tank inner bottom part is provided with sieve plate, and discharge nozzle is arranged on the below of sieve plate; Heater is arranged on the top of sieve plate.
As the further improvement to the technical program, the bottom of crystallizing tank also is provided with delivery line.
Crystallisation of the present utility model separates the device of the chloro-4-bromophenol of 2-, be specially adapted to the processing that the chloro-4-bromophenol of 2-is separated, changed the method that traditional rectifying separates, the fusing point that utilizes the chloro-4-bromophenol of 2-is 46 ℃, 43 ℃ of the fusing points of impurity, the fusing point difference of two kinds of materials, replace the rectifying column removing impurities with crystallizing tank, equipment is simple, and energy consumption is low, easy to operate.
Heater of the present utility model layering in crystallizing tank is evenly arranged, and ensures to greatest extent when heating melts the uniformity that material is heated; Heating plate is arcuation, can further increase the heating surface (area) (HS of heating plate, and heating plate is relative in twos, is convenient to be fixed in groups on heating tube, evenly material is heated; Temperature indicating device can show the temperature of material better, conveniently in time heater is carried out to the control of temperature.
Can get rid of the air in crystallizing tank when material adds crystallizing tank by feed pipe, facilitate charging.The liquid level gauge be arranged on crystallizing tank more clearly shows the situation that material adds, and carries out in time the operation opened or closed of charging.
The sieve plate of the bottom of crystallizing tank can play the separating and filtering effect.The bottom of crystallizing tank also is provided with delivery line, and for deriving eutectic, delivery line can be connected on special collecting tank, and eutectic is carried out to collection and treatment.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Description of reference numerals
The 1-crystallizing tank; The 2-feed pipe; The 3-discharge nozzle; The 4-heating tube; The 5-heating plate; The 6-temperature indicating device; The 7-evacuation port; The 8-level display device; The 9-delivery line; The 10-sieve plate.
The specific embodiment
The utility model is described in further detail below to engage accompanying drawing 1.
Crystallisation of the present utility model separates the device of the chloro-4-bromophenol of 2-, comprises crystallizing tank 1; Be connected to the feed pipe 2 on crystallizing tank 1 top, be connected to the discharge nozzle 3 of crystallizing tank 1 bottom; Be positioned at the heater of crystallizing tank 1 inside, the heater layering evenly is arranged in crystallizing tank 1.Heater comprises the heating tube 4 be fixed on crystallizing tank 1 and is fixed on the heating plate 5 on heating tube 4.Heating plate 5 is arcuation, and heating plate 5 is relative in twos, is fixed in groups on heating tube 4.
Also be provided with evacuation port 7 and level display device 8 on crystallizing tank 1.Also be provided with temperature indicating device 6 on crystallizing tank 1, temperature indicating device 6 layering setting corresponding with heater.Crystallizing tank 1 inner bottom part is provided with sieve plate 10, and discharge nozzle 3 is arranged on the below of sieve plate 10; Heater is arranged on the top of sieve plate 10.The bottom of crystallizing tank 1 also is provided with delivery line 9.
The course of work of this equipment is as follows: reaction mass enters crystallizing tank 1 from top by feed pipe 2, the nature cooling down becomes solid-state, then pass into 45 ℃ of hot water in heating plate 5, slowly evenly heat up, at first the low melting point impurity that fusing point is 43 ℃ dissolve, drop to crystallizing tank 1 bottom through sieve plate 10, then derive via delivery line 9; Material in crystallizing tank 1 continues to heat up, and the chloro-4-bromophenol of the 2-that fusing point is 46 ℃ melts, and drops to crystallizing tank 1 bottom through sieve plate 10 equally, by discharge nozzle 3, is derived.
Through after this device separates, the chloro-4-bromophenol of 2-content can be brought up to more than 97%, can meet the needs of the former medicine of high-purity Profenofos.
Claims (7)
1. the device of the chloro-4-bromophenol of crystallisation separation 2-, is characterized in that: comprise crystallizing tank; Be connected to the feed pipe on crystallizing tank top, be connected to the discharge nozzle of crystallizing tank bottom; Be positioned at the heater of crystallizing tank inside, described heater layering evenly is arranged in described crystallizing tank.
2. crystallisation according to claim 1 separates the device of the chloro-4-bromophenol of 2-, it is characterized in that: described heater comprises the heating tube be fixed on described crystallizing tank and is fixed on the heating plate on described heating tube.
3. crystallisation according to claim 2 separates the device of the chloro-4-bromophenol of 2-, and it is characterized in that: described heating plate is arcuation, and described heating plate is relative in twos, is fixed in groups on described heating tube.
4. crystallisation according to claim 1 separates the device of the chloro-4-bromophenol of 2-, it is characterized in that: also be provided with evacuation port and level display device on described crystallizing tank.
5. crystallisation according to claim 1 separates the device of the chloro-4-bromophenol of 2-, it is characterized in that: also be provided with temperature indicating device on described crystallizing tank, the layering setting corresponding with described heater of described temperature indicating device.
6. crystallisation according to claim 1 separates the device of the chloro-4-bromophenol of 2-, and it is characterized in that: described crystallizing tank inner bottom part is provided with sieve plate, and described discharge nozzle is arranged on the below of described sieve plate; Described heater is arranged on the top of described sieve plate.
7. crystallisation according to claim 6 separates the device of the chloro-4-bromophenol of 2-, and it is characterized in that: the bottom of described crystallizing tank also is provided with delivery line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476205.8U CN203379630U (en) | 2013-08-06 | 2013-08-06 | Device for separating 2-chloro-4-bromophenol by using crystallization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476205.8U CN203379630U (en) | 2013-08-06 | 2013-08-06 | Device for separating 2-chloro-4-bromophenol by using crystallization method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203379630U true CN203379630U (en) | 2014-01-08 |
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ID=49868164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320476205.8U Expired - Lifetime CN203379630U (en) | 2013-08-06 | 2013-08-06 | Device for separating 2-chloro-4-bromophenol by using crystallization method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203379630U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105214333A (en) * | 2015-10-29 | 2016-01-06 | 湖北民族学院 | The efficiently purifying device of one Plant Extracts and the method for purifying plant extracts |
| CN106139634A (en) * | 2016-08-31 | 2016-11-23 | 连云港致诚化工有限公司 | A kind of crystallization apparatus refined for chlorophenol |
-
2013
- 2013-08-06 CN CN201320476205.8U patent/CN203379630U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105214333A (en) * | 2015-10-29 | 2016-01-06 | 湖北民族学院 | The efficiently purifying device of one Plant Extracts and the method for purifying plant extracts |
| CN105214333B (en) * | 2015-10-29 | 2017-03-29 | 湖北民族学院 | The method of the efficiently purifying device and purification plant extract of one Plant Extracts |
| CN106139634A (en) * | 2016-08-31 | 2016-11-23 | 连云港致诚化工有限公司 | A kind of crystallization apparatus refined for chlorophenol |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |