Omethoate crude ester light and heavy liquid supergravity separation device

Abstract

A light liquid outlet pipe and a heavy liquid outlet pipe are arranged on the two sides of the upper portion of a cylindrical shell, a heavy liquid inlet pipe and a light liquid inlet pipe are arranged on the two sides of the lower portion of the cylindrical shell, a separation barrel is coaxially sleeved with the cylindrical shell, a baffle is arranged at the upper end of the separation barrel, and a sandwich plate is arranged on the upper surface of the baffle. A heavy liquid outlet is formed in the edge part of the baffle plate, a round hole is formed in the middle of the baffle plate, and a light liquid outlet communicated with the round hole is formed in the side wall between the baffle plate and the sandwich plate; crude ester light liquid and heavy liquid of the device enter a cylindrical shell through a pipe body, are mixed in a mixing cavity at the bottom of the shell and then upwards enter a separation barrel rotating at a high speed, and the heavy liquid flows upwards along the inner side wall of the separation barrel on the outer side under the action of centrifugal force, flows out of a heavy liquid outlet and enters a heavy liquid outlet pipe through a flow guide plate; the light liquid flows upwards at the central part under the action of centrifugal force, flows out of the light liquid outlet and enters the light liquid guide plate through the guide plate, so that the crude ester light and heavy liquid is automatically, continuously and efficiently separated, and the separation time is effectively shortened.

Description

Technical Field

[0001] The utility model relates to the field of omethoate equipment, in particular to an omethoate crude ester light and heavy liquid super gravity separation device. Background Art

[0002] Oxydemeton-methyl is a highly effective systemic insecticide and acaricide, which is widely used in crops such as rice, cotton, fruit trees, wheat, sorghum, sugarcane, etc. for controlling piercing-sucking pests. It is particularly effective against drug-resistant red spider mites, aphids, cotton aphids, whiteflies, scale insects, etc.

[0003] The traditional process for synthesizing omethoate is to put the above-obtained oxythioate and chloroform into a reaction kettle in turn, precool to -18°C, then slowly drip methylamine (40%) at a temperature of ≤-8°C, and keep for 40 minutes. After the reaction is completed, add hydrochloric acid to neutralize to pH=6-7, stand and separate, extract the intermediate crude ester product, and then desolventize under reduced pressure to obtain omethoate crude oil. The current crude ester extraction method is to first mix the light and heavy solutions, the solution is automatically divided into two layers, and then the separation is finally achieved by standing. This separation method cannot be continuously produced, and there are problems such as long separation time and low efficiency, which affects the yield and needs to be improved. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a light and heavy liquid supergravity separation device for crude omethoate ester.

[0005] The technical scheme of the utility model is: a supergravity separation device for light and heavy liquids of crude oxydemeton-methyl ester, comprising a cylindrical shell installed in a bracket, a driving mechanism installed on the upper part of the bracket, light liquid outlet pipes and heavy liquid outlet pipes are arranged on both sides of the upper part of the cylindrical shell, the cylindrical shell is a variable diameter shell, the size of its upper part is larger than that of its lower part, heavy liquid inlet pipes and light liquid inlet pipes are arranged on both sides of the lower part, the heavy liquid inlet pipes and the light liquid inlet pipes are both connected to the cylindrical shell in a tangential direction, a separation cylinder is coaxially sleeved in the cylindrical shell, the outer wall of the separation cylinder is rotationally fitted with the inner wall of the cylindrical shell, a baffle is arranged on the upper end of the separation cylinder, a sandwich plate is arranged on the upper surface of the baffle, a heavy liquid outlet is arranged on the edge of the baffle, a circular hole is arranged in the middle of the baffle, and a light liquid outlet connected with the circular hole is arranged on the side wall between the baffle and the sandwich plate, the output shaft of the driving mechanism is coaxially fixedly connected with the center of the sandwich plate, a high-strength bearing is arranged at the center of the top plate of the bracket, and the output shaft is sleeved in the high-strength bearing.

[0006] The upper end of the cylindrical shell is fixedly connected with a heavy liquid guide plate and a light liquid guide plate, the upper ends of the heavy liquid guide plate and the light liquid guide plate are rotationally fitted with the outer wall of the separation cylinder, the heavy liquid guide plate and the light liquid guide plate are both annular plates, and their cross-sections are inclined plates. The lower end of the heavy liquid guide plate is connected to the pipe mouth of the heavy liquid outlet pipe, and the lower end of the light liquid guide plate is connected to the pipe mouth of the light liquid outlet pipe.

[0007] Preferably, the heavy liquid inlet pipe and the light liquid inlet pipe are arranged at a certain distance from the bottom of the separation cylinder, and a partition is arranged at the bottom of the separation cylinder, and a through hole is arranged at the center of the partition, so that a mixing chamber is formed at the bottom of the separation cylinder.

[0008] Preferably, a liquid inlet pipe passing through the through hole of the partition is provided at the center of the lower port of the separation cylinder, and the diameter of the liquid inlet pipe is smaller than the diameter of the separation cylinder.

[0009] Preferably, a support rod is provided at the center of the sandwich plate, the support rod is coaxially arranged with the separation cylinder, and a slow flow plate is provided at the lower end of the support rod.

[0010] Preferably, the slow flow plate is a horizontally arranged circular plate, the diameter of the slow flow plate is the same as the inner diameter of the liquid inlet pipe, and a certain distance is set between the circulation plate and the upper port of the liquid inlet pipe.

[0011] Preferably, a rotating blade is provided in the middle of the bottom of the cylindrical shell.

[0012] Preferably, the rotating blades are magnetic blades, and a magnetic ring is provided at the lower port of the separation cylinder, and the magnetic ring is close to the magnetic blades.

[0013] Preferably, the driving mechanism is a reduction motor installed on the bracket through a frame.

[0014] The beneficial technical effect of the utility model is that the crude ester light and heavy liquids of the device enter the cylindrical outer shell synchronously along the tangential direction through the tube body, and are spirally mixed in the mixing chamber at the bottom of the outer shell, and then enter the high-speed rotating separation cylinder upward, the heavy liquid flows upward along the inner wall of the separation cylinder on the outside due to centrifugal force, flows out from the heavy liquid outlet through the guide plate into the heavy liquid outlet pipe, and the light liquid flows upward in the center due to centrifugal force, flows out from the light liquid outlet through the guide plate into the light liquid guide plate, thereby realizing automatic, continuous and efficient separation of crude ester light and heavy liquids, effectively shortening the separation time, and facilitating increasing the output of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a main structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 yes Figure 2 A schematic diagram of the structure after blades are arranged at the bottom of the cylindrical shell;

[0018] In the figure, 11. driving mechanism, 111. output shaft, 12. cylindrical shell, 121. light liquid outlet pipe, 122. heavy liquid outlet pipe, 123. heavy liquid inlet pipe, 124. light liquid inlet pipe, 125. baffle, 126. sandwich plate, 127. heavy liquid outlet, 128. circular hole, 129. light liquid outlet, 13. separation cylinder, 131. liquid inlet pipe, 14. heavy liquid guide plate, 15. light liquid guide plate, 16. partition, 17. mixing chamber, 18. support rod, 181. slow flow plate, 191. magnetic blade, 192. magnetic ring, 20. waste liquid pipe, 21. bracket. DETAILED DESCRIPTION

[0019] Example 1, see the attached specification Figure 1-2 A device for separating light and heavy liquids of crude omethoate ester by ultra-gravity, comprising a cylindrical shell 12 installed in a bracket 21, and a driving mechanism 11 installed on the upper part of the bracket 21, wherein a light liquid outlet pipe 121 and a heavy liquid outlet pipe 122 are arranged on both sides of the upper part of the cylindrical shell 12, and the height of the heavy liquid outlet pipe 122 is higher than that of the light liquid outlet pipe 121, and a heavy liquid inlet pipe 123 and a light liquid inlet pipe 124 are arranged on both sides of the lower part, and the heights of the heavy liquid inlet pipe 123 and the light liquid inlet pipe 124 are the same, a separation cylinder 13 is coaxially sleeved in the cylindrical shell 12, and the separation cylinder 13 is rotatably sleeved in the cylindrical shell 12, and a baffle 125 is arranged on the upper end of the separation cylinder 13, and a clamping plate 125 is arranged on the upper surface of the baffle 125 A flow chamber is formed between the layer plate 126, the sandwich plate 126 and the baffle plate 125, a heavy liquid outlet 127 is provided at the edge of the baffle plate 125, a circular hole 128 is provided in the middle of the baffle plate 125, and a light liquid outlet 129 connected to the circular hole 128 is provided on the side wall between the baffle plate 125 and the sandwich plate 126, the circular hole 128 is connected to the center of the flow chamber, and the light liquid outlet 129 is connected to the side of the flow chamber, the output shaft 111 of the driving mechanism 11 is coaxially fixedly connected to the center of the sandwich plate 126, the driving mechanism 11 is a reduction motor installed on the bracket 21 through a frame, and the separation cylinder 13 is driven by the reduction motor to rotate at high speed in the cylindrical shell 12;

[0020] A support rod 18 is provided at the center of the sandwich plate 126, and a slow flow plate 181 is provided at the lower end of the support rod 18. The slow flow plate 181 is a horizontally arranged circular plate. The diameter of the slow flow plate 181 is the same as the inner diameter of the liquid inlet pipe 131. The slow flow plate 181 is used to block the upward flow speed of the mixed liquid, increase the separation time, and help improve the separation effect.

[0021] A heavy liquid guide plate 14 and a light liquid guide plate 15 are fixedly connected to the upper end of the cylindrical shell 12. The upper ends of the heavy liquid guide plate 14 and the light liquid guide plate 15 are rotatably fitted with the outer wall of the separation cylinder 13. The lower end of the heavy liquid guide plate 14 is connected to the pipe mouth of the heavy liquid outlet pipe 122, and the lower end of the light liquid guide plate 15 is connected to the pipe mouth of the light liquid outlet pipe 121. The crude ester light liquid separated from the light liquid outlet 129 enters the light liquid guide plate 15, and flows into the light liquid outlet pipe 121 along the light liquid guide plate 15 for discharge. The crude ester heavy liquid separated from the heavy liquid outlet 127 enters the heavy liquid guide plate 14, and flows into the heavy liquid outlet pipe 122 along the heavy liquid guide plate 14 for discharge.

[0022] The working process and principle of this embodiment are as follows: when the device is working, the separation cylinder 13 is driven to rotate at a high speed by the reduction motor, and the crude ester light liquid enters into the bottom of the cylindrical outer shell 12 tangentially from the light liquid inlet pipe 124, and the crude ester heavy liquid enters into the bottom of the cylindrical outer shell 12 tangentially from the heavy liquid inlet pipe 123. After the two are mixed, they enter the high-speed rotating separation cylinder 13 together. In the process of flowing upward in the separation cylinder 13, the crude ester heavy liquid is subjected to a large centrifugal force, and is separated by centrifugal force to the outside, contacts the inner wall of the separation cylinder 13 and flows upward, and then flows out from the heavy liquid outlet 127 through the heavy liquid guide plate 14 and enters the heavy liquid outlet pipe 122. The light liquid is subjected to a small centrifugal force, and flows upward from the center of the separation cylinder 13 through the circular hole 128 into the circulation chamber, and then flows out from the light liquid outlet 129 through the light liquid guide plate 15 and enters the light liquid outlet pipe 121, thereby realizing the automatic, continuous and efficient separation of the crude ester light and heavy liquids.

[0023] Example 2, see the attached specification Figure 2-3 On the basis of the real-time example 1, a certain distance is set between the heavy liquid inlet pipe 123, the light liquid inlet pipe 124 and the bottom of the separation cylinder 13, and a partition 16 is provided at the bottom of the separation cylinder 13, so that a mixing chamber 17 is formed at the bottom of the separation cylinder 13. After the crude ester light liquid and the heavy liquid enter the cylindrical shell 12, they can be fully spirally mixed in the mixing chamber 17, and a liquid inlet pipe 131 passing through the partition 16 is provided at the center of the lower port of the separation cylinder 13. The diameter of the liquid inlet pipe 131 is smaller than the diameter of the separation cylinder 13, and the mixed crude ester light and heavy liquids can enter the separation cylinder 13 from the liquid inlet pipe 131 in time.

[0024] A rotating blade is provided in the middle of the bottom of the cylindrical shell 12, and the rotating blade is a magnetic blade 191. A magnetic ring 192 is provided at the lower port of the separation cylinder 13, and the magnetic ring 192 is close to the magnetic blade 191. When the separation cylinder 13 rotates at high speed for separation, the lower magnetic ring 192 rotates at high speed and drives the magnetic blade 191 to rotate through magnetic attraction, providing flow thrust for the crude ester light and heavy liquids after sufficient mixing, increasing their flow rate, so that they can quickly enter the separation cylinder 13, thereby improving the separation efficiency.

Claims

1. A light and heavy liquid supergravity separation device for omethoate crude ester, characterized in that: It comprises a cylindrical shell installed in a bracket and a driving mechanism installed on the upper part of the bracket, a light liquid outlet pipe and a heavy liquid outlet pipe are provided on both sides of the upper part of the cylindrical shell, a heavy liquid inlet pipe and a light liquid inlet pipe are provided on both sides of the lower part, a separation cylinder is coaxially sleeved in the cylindrical shell, a baffle is provided on the upper end of the separation cylinder, a sandwich plate is provided on the upper surface of the baffle, a heavy liquid outlet is provided on the edge of the baffle, a circular hole is provided in the middle of the baffle, and a light liquid outlet connected to the circular hole is provided on the side wall between the baffle and the sandwich plate, and the output shaft of the driving mechanism is coaxially fixedly connected with the center of the sandwich plate; The upper end of the cylindrical shell is fixedly connected with a heavy liquid guide plate and a light liquid guide plate, the upper ends of the heavy liquid guide plate and the light liquid guide plate are rotationally fitted with the outer wall of the separation cylinder, the lower end of the heavy liquid guide plate is connected to the pipe mouth of the heavy liquid outlet pipe, and the lower end of the light liquid guide plate is connected to the pipe mouth of the light liquid outlet pipe.

2. The device for separating light and heavy liquids of crude omethoate ester by supergravity according to claim 1, characterized in that: The heavy liquid inlet pipe, the light liquid inlet pipe and the bottom of the separation cylinder are arranged at a certain distance, and a partition is arranged at the bottom of the separation cylinder to form a mixing chamber at the bottom of the separation cylinder.

3. The device for separating light and heavy liquids of omethoate crude ester by ultra-gravity separation according to claim 2, characterized in that: A liquid inlet pipe passing through the partition is arranged at the center of the lower port of the separation cylinder, and the diameter of the liquid inlet pipe is smaller than the diameter of the separation cylinder.

4. The device for separating light and heavy liquids of crude omethoate ester by supergravity according to claim 3, characterized in that: A support rod is arranged at the center of the sandwich plate, and a slow flow plate is arranged at the lower end of the support rod.

5. The device for separating light and heavy liquids of crude omethoate ester by supergravity according to claim 4, characterized in that: The slow flow plate is a horizontally arranged circular plate, and the diameter of the slow flow plate is the same as the inner diameter of the liquid inlet pipe.

6. The device for separating light and heavy liquids of crude omethoate ester by supergravity according to claim 1, characterized in that: A rotating blade is arranged in the middle of the bottom of the cylindrical shell.

7. The device for separating light and heavy liquids of crude omethoate ester by supergravity according to claim 6, characterized in that: The rotating blades are magnetic blades, and a magnetic ring is arranged at the lower end of the separation cylinder, and the magnetic ring is close to the magnetic blades.

8. The device for separating light and heavy liquids of crude omethoate ester by supergravity according to claim 1, characterized in that: The driving mechanism is a reduction motor installed on the bracket through a frame.

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