CN213790075U - Continuous purification device for abamectin - Google Patents
Continuous purification device for abamectin Download PDFInfo
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- CN213790075U CN213790075U CN202022670916.1U CN202022670916U CN213790075U CN 213790075 U CN213790075 U CN 213790075U CN 202022670916 U CN202022670916 U CN 202022670916U CN 213790075 U CN213790075 U CN 213790075U
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- abamectin
- tower body
- preparation tank
- storage tank
- tower
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Abstract
The utility model relates to an abamectin continuous purification device, which comprises a washing liquid preparation tank, an abamectin preparation tank, an extraction tower, a waste liquid storage tank and a finished product storage tank, wherein the extraction tower comprises a tower body, a first feed inlet and a first discharge outlet which are arranged at the bottom of the tower body, and a second feed inlet and a second discharge outlet which are arranged at the top of the tower body, and feed distributors are respectively arranged at the first feed inlet and the second feed inlet; the first feed inlet is connected with the abamectin preparation tank, the second feed inlet is connected with the washing liquid preparation tank, the first discharge outlet is connected with the waste liquid storage tank, and the second discharge outlet is connected with the finished product storage tank. The equipment has the advantages of simple structure, convenient operation, stable yield and easy control of product quality. Can give consideration to both the purification effect and the equipment investment cost, and is suitable for large-scale application.
Description
Technical Field
The utility model belongs to the technical field of chemical industry separation and purification equipment technique and specifically relates to an abamectin purifies device in succession.
Background
The existing preparation process of the abamectin fine powder mainly uses an organic solvent to dissolve abamectin, and then carries out cooling crystallization to obtain the abamectin fine powder, and the used equipment is a dissolving tank and a cooling crystallization tank. In the other preparation process, a column separation mode is mainly adopted to obtain the high-purity abamectin fine powder, equipment used in the process is mainly a preparative chromatography system, and the process has the advantage of good impurity removal effect, but has higher production cost and higher equipment investment, and is not suitable for large-scale production and application.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an abamectin purifies device in succession to solve the unsatisfactory or big problem of equipment input cost of prior art edulcoration effect.
The utility model discloses a realize like this: a continuous abamectin purification device comprises a washing liquid preparation tank, an abamectin preparation tank, an extraction tower, a waste liquid storage tank and a finished product storage tank, wherein the extraction tower comprises a tower body, a first feeding hole and a first discharging hole which are formed in the bottom of the tower body, and a second feeding hole and a second discharging hole which are formed in the top of the tower body, and feeding distributors are arranged at the first feeding hole and the second feeding hole;
the first feed port is connected with the abamectin preparation tank, the second feed port is connected with the washing liquid preparation tank, the first discharge port is connected with the waste liquid storage tank, and the second discharge port is connected with the finished product storage tank;
the feeding distributor comprises a plurality of circles of annular pipes and a cross-shaped pipe which are concentrically arranged, the cross-shaped pipe is communicated with the annular pipes, and material distribution holes are uniformly distributed on the pipe walls of the annular pipes and the cross-shaped pipe.
The tower body is cylindric, the diameter of feeding distributor slightly is less than the diameter of tower body.
A packing layer is arranged in the tower body.
The thickness of the filler layer is not less than 1.5 m.
The filler layer is filled with stainless steel phi-shaped mesh filler, the diameter of the filler is 4mm, and the granularity is 80 meshes.
Diaphragm pumps are arranged between the first feed port and the abamectin preparation tank and between the second feed port and the washing liquid preparation tank.
Has the advantages that:
1. the device realizes continuous operation of the abamectin in the countercurrent extraction tower by continuously feeding the abamectin to the preparation tank, improves the treatment efficiency, and the traditional abamectin extraction and purification device is mainly a cooling crystallization tank and has an intermittent operation process.
2. The extraction process uses a counter-current extraction column designed according to the material properties. The heavier washing liquid enters the extraction tower through a feed inlet on the extraction tower and is uniformly dispersed by a feed distributor. The light abamectin solution enters through a feed inlet below the extraction tower and is uniformly dispersed through a feed distributor. A layer of stainless steel filler is paved in the middle of the extraction tower to increase the contact area. The abamectin dissolving solution and the washing liquid form convection in the tower due to the density difference, so that the impurity removal effect of the washing liquid on the abamectin dissolving solution is realized.
3. The equipment has the advantages of simple structure, convenient operation, stable yield and easy control of product quality. Can give consideration to both the purification effect and the equipment investment cost, and is suitable for large-scale application.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the extraction tower of the present invention.
Fig. 3 is a schematic structural diagram of the feeding distributor of the present invention.
In the figure: 1. washing liquid preparation tank, 2, abamectin preparation tank, 3, extraction tower, 4, waste liquid storage tank, 5, finished product storage tank, 6, tower body, 7, first feed inlet, 8, first discharge outlet, 9, second feed inlet, 10, second discharge outlet, 11, feed distributor, 12, annular tube, 13, cross-shaped tube, 14, cloth hole, 15 and packing layer.
Detailed Description
As shown in fig. 1-3, the utility model discloses a structure includes that lotion prepares jar 1, abamectin prepares jar 2, extraction tower 3, waste liquid holding vessel 4 and finished product holding vessel 5, extraction tower 3 includes tower body 6, locate the first feed inlet 7 and the first discharge gate 8 of tower body bottom, locate second feed inlet 9 and the second discharge gate 10 at 6 tops of tower body, first feed inlet 7 links to each other with abamectin prepares jar 2, second feed inlet 9 links to each other with lotion prepares jar 1, first discharge gate 8 links to each other with waste liquid holding vessel 4, second discharge gate 10 links to each other with finished product holding vessel 5. Diaphragm pumps are arranged between the first feed port 7 and the abamectin preparation tank 2 and between the second feed port 9 and the washing liquid preparation tank 1.
The tower body 6 is cylindrical, and the first feed inlet 7 and the second feed inlet 9 are both provided with a feed distributor 11. The feeding distributor 11 comprises two circles of concentric annular pipes 12 and a cross-shaped pipe 13, the four tail ends of the cross-shaped pipe 13 are communicated with the outer annular pipe, the middle part of the cross-shaped pipe 13 is communicated with the inner annular pipe, and the center of the cross-shaped pipe 13 or the side wall of the annular pipe 12 is provided with an inlet connected with the feeding hole; the pipe walls of the annular pipe 12 and the cross-shaped pipe 13 are distributed with material distribution holes 14. The diameter of 11 of feeding distributor slightly is less than the diameter of tower body 6 to locate the upper and lower end of tower body 6, feeding distributor 11 is used for making the feed liquid evenly distributed that gets into, and flow into in the tower.
A packing layer 15 is arranged in the tower body 6, and the thickness of the packing layer 15 is not less than 1.5 m. The filler layer 15 is filled with stainless steel phi-shaped mesh filler, the diameter of the filler is 4mm, and the granularity is 80 meshes.
The device comprises the following steps when in use:
1) the abamectin is prepared into a solution with required concentration in an abamectin preparation tank. And preparing the washing liquor with the required concentration in the washing liquor preparation tank. Respectively inputting the abamectin solution and the washing liquid into a countercurrent extraction tower through a diaphragm pump. Two separate formulation tanks were used with a heating system. The feeding flow rate ratio of the washing liquid to the abamectin dissolving liquid is more than or equal to 1: 1.
2) The extraction tower is a columnar packed tower, the upper end and the lower end of the extraction tower are respectively provided with a feeding distributor with an annular pipe, a feeding hole is arranged in the middle of the upper seal head and the lower seal head of the tower body, and a discharging hole is arranged at the top end of the seal head. The dissolved solution and the washing liquid form convection in the extraction tower by utilizing the existing density difference, the washing liquid with higher density slowly moves downwards after being uniformly distributed by the distributor, and the abamectin dissolved solution with lower density slowly moves upwards after being uniformly distributed by the distributor, and is fully contacted in the stainless steel packing layer. After removing impurities by convection, the solution and the washing liquid are separated again. The extraction tower realizes the control of a split-phase interface by controlling the opening of a material inlet valve and a material outlet valve.
3) The dissolved solution enters a finished product storage tank through a second discharge port of the tower, and the washing solution enters a waste liquid storage tank through a first discharge port of the extraction tower.
4) And (4) concentrating and crystallizing the material in the finished product storage tank again to obtain the abamectin product.
Claims (6)
1. A continuous abamectin purification device is characterized by comprising a washing liquid preparation tank, an abamectin preparation tank, an extraction tower, a waste liquid storage tank and a finished product storage tank, wherein the extraction tower comprises a tower body, a first feeding hole and a first discharging hole which are formed in the bottom of the tower body, and a second feeding hole and a second discharging hole which are formed in the top of the tower body, and feeding distributors are arranged at the first feeding hole and the second feeding hole;
the first feed port is connected with the abamectin preparation tank, the second feed port is connected with the washing liquid preparation tank, the first discharge port is connected with the waste liquid storage tank, and the second discharge port is connected with the finished product storage tank;
the feeding distributor comprises a plurality of circles of annular pipes and a cross-shaped pipe which are concentrically arranged, the cross-shaped pipe is communicated with the annular pipes, and material distribution holes are uniformly distributed on the pipe walls of the annular pipes and the cross-shaped pipe.
2. The continuous abamectin purifying device according to claim 1, wherein the tower body is cylindrical, and the diameter of the feeding distributor is slightly smaller than that of the tower body.
3. The continuous abamectin purifying apparatus as set forth in claim 1, wherein a packing layer is set inside the tower.
4. The continuous abamectin purifying device according to claim 3, wherein the thickness of the packing layer is not less than 1.5 m.
5. The continuous abamectin purifying device according to claim 3, wherein the filler layer is filled with stainless steel phi-shaped mesh filler, the diameter of the filler is 4mm, and the granularity is 80 meshes.
6. The abamectin continuous purification device according to claim 1, wherein diaphragm pumps are arranged between the first feeding hole and the abamectin preparation tank and between the second feeding hole and the washing liquid preparation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022670916.1U CN213790075U (en) | 2020-11-18 | 2020-11-18 | Continuous purification device for abamectin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022670916.1U CN213790075U (en) | 2020-11-18 | 2020-11-18 | Continuous purification device for abamectin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213790075U true CN213790075U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022670916.1U Active CN213790075U (en) | 2020-11-18 | 2020-11-18 | Continuous purification device for abamectin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213790075U (en) |
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2020
- 2020-11-18 CN CN202022670916.1U patent/CN213790075U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Liqiang Inventor after: Geng Huanmin Inventor after: Zhen Jiangfeng Inventor after: Lu Kaixiao Inventor after: Wang Kehua Inventor after: Wang Xingxuan Inventor after: Yang Fei Inventor after: Qu Zhixi Inventor after: Gao Feng Inventor after: Zhang Bin Inventor after: Long Yan Inventor after: Xu Xiaopei Inventor before: Zhang Liqiang Inventor before: Zhen Jiangfeng Inventor before: Wang Xingxuan Inventor before: Yang Fei Inventor before: Qu Zhixi Inventor before: Gao Feng Inventor before: Zhang Bin Inventor before: Long Yan Inventor before: Xu Xiaopei Inventor before: Geng Huanmin |
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| CB03 | Change of inventor or designer information |