CN217962979U

CN217962979U - Centrifugal device for producing high-efficiency cyhalothrin

Info

Publication number: CN217962979U
Application number: CN202221463940.0U
Authority: CN
Inventors: 张俊; 乔晨; 李向东; 张凯; 火国志; 张琳
Original assignee: Changqing Hubei Biotechnology Co ltd
Current assignee: Changqing Hubei Biotechnology Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-12-06
Anticipated expiration: 2032-06-13

Abstract

The application provides a high-efficient cyhalothrin production centrifugal device, including the centrifuge, the centrifuge includes rotatable first ring frame, first ring frame is equipped with the centrifugal bucket that a plurality of slants were arranged along circumference, the centrifuge top still is equipped with moves the liquid subassembly, it includes the second ring frame that can reciprocate to move the liquid subassembly, the second ring frame is equipped with a plurality of hollow pipettes along circumference, the pipette both ends link up, each centrifugal bucket upper bound is aimed at to each pipette lower extreme, the pipette is used for the extraction or adds liquid to in the centrifugal bucket, the problem that high-efficient cyhalothrin wet basis and centrifugal mother liquor need the layering to draw has been solved.

Description

Centrifugal device for producing high-efficiency cyhalothrin

Technical Field

The utility model relates to a high-efficient cyhalothrin production field especially relates to a high-efficient cyhalothrin production centrifugal device.

Background

The efficient cyhalothrin is a white or light yellow solid, is insoluble in water, is easily soluble in various organic solvents such as acetone, methanol, ethyl acetate, dichloroethane and the like, has certain toxicity, and is commonly used as an insecticide. The production process is approximately the synthesis of heptyl ester, cyclization synthesis, synthesis of cyhalothrin acid, synthesis of cyhalothrin acyl chloride and cyhalothrin.

When the cyhalothrin is synthesized, the crude cyhalothrin is transferred into a cyhalothrin transposition kettle from a desolventizing kettle, and then a certain amount of isopropanol and a catalyst are pumped. The transposition is carried out by continuously and slowly cooling the chilled water. And after transposition is finished, performing centrifugal separation on the transposition liquid to obtain the efficient cyhalothrin wet base, and drying by using a dryer to obtain the efficient cyhalothrin raw powder finished product.

Traditional production centrifugal equipment is mainly for cask form, and the lateral wall is equipped with the filter screen, produces centrifugal effect through the rotation, and this kind of equipment is mainly directed at solid-liquid separation, but because cyhalothrin is synthetic, not only will obtain high-efficient cyhalothrin wet basis, still will centrifugate the mother liquor and discharge into the accent acid cauldron negative pressure and retrieve isopropyl alcohol, consequently needs a centrifugal device that can make mixed liquid upper and lower layering, is convenient for the layering absorb liquid.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-efficient cyhalothrin production centrifugal device has solved the problem that the wet base of high-efficient cyhalothrin and centrifugal mother liquor need the layering to draw.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a high-efficient cyhalothrin production centrifugal device, includes the centrifuge, and the centrifuge includes rotatable first annular frame, and first annular frame is equipped with the centrifuge bowl that a plurality of slants were arranged along circumference, and the centrifuge top still is equipped with moves the liquid subassembly, moves the liquid subassembly including the second annular frame that can reciprocate, and the second annular frame is equipped with a plurality of hollow pipettes along circumference, and the pipette both ends link up, and each centrifuge bowl upper shed is aimed at to each pipette lower extreme, and the pipette is used for the extraction or to adding liquid in the centrifuge bowl.

In the preferred scheme, the device also comprises a cross frame, wherein the cross frame can move up and down, a floating plate capable of floating up and down is arranged in the middle of the cross frame, the floating plate is connected with the second annular frame, and a sensor is further arranged on the cross frame and used for detecting the floating plate.

In the preferred scheme, a clamping sleeve is arranged on the cross frame, a guide rod is arranged in the clamping sleeve and is in sliding connection with the floating plate, a spring is sleeved on the outer side of the guide rod, and two ends of the spring are respectively abutted against the floating plate and the cross frame.

In the preferred scheme, a plurality of first overhanging blocks are arranged along the edge of the first annular frame, at least two inclined hooks are arranged at the end parts of the first overhanging blocks, the hoop is embraced by the outer wall of the upper end of the centrifugal barrel, rotating shafts are arranged at the two ends of the hoop, and the rotating shafts are clamped in the inclined hooks to rotate.

The beneficial effects of the utility model are that: a plurality of obliquely arranged centrifugal barrels are arranged around a common axis for centrifugal rotation, so that the mixed liquid can be layered along the height direction of the centrifugal barrels conveniently; a liquid transfer assembly is arranged above the centrifuge, the height is controllable, and raw material liquid is conveniently added into the centrifugal barrel or layered liquid in the centrifugal barrel is conveniently extracted; in the preferred scheme, the centrifuge bucket upper end is equipped with the hoop of holding tightly of taking the pivot, is hooked by first overhanging piece slant, and centrifuge bucket just can incline during centrifugal operation, is convenient for move the liquid subassembly with, takes out liquid.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a front view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a partial structure diagram of the present invention.

Fig. 4 is a schematic view of the floating plate according to the present invention.

Fig. 5 is a rotary structure view of the centrifugal barrel of the present invention.

In the figure: a base 1; a centrifuge 2; a base 201; a high-speed turntable 202; a centrifuge bucket 203; a first annular frame 204; a tub cover 205; a first overhang piece 206; a clasping hoop 207; a diagonal hook 208; a rotating shaft 209; a pipetting assembly 3; a pipette 301; a second overhang piece 302; a second ring frame 303; a lifting frame 4; a floating plate 401; a guide rod 402; a spring 403; a jacket 404; a sensor 405; a cross frame 406; a linear drive mechanism 407.

Detailed Description

As shown in fig. 1-5, a centrifugal device for producing cyhalothrin, comprises a base 1 and a centrifuge 2, wherein the base 1 is concave, the centrifuge 2 is arranged in a concave structure, the centrifuge 2 comprises a rotatable first annular frame 204, the first annular frame 204 is provided with a plurality of centrifugal barrels 203 along the circumferential direction, the centrifugal barrels 203 can incline when the centrifuge rotates, a liquid transfer assembly 3 is further arranged above the centrifuge 2, the liquid transfer assembly 3 comprises a second annular frame 303 capable of moving up and down, the second annular frame 303 is provided with a plurality of second overhanging blocks 302 along the circumferential direction, the end parts of the second overhanging blocks 302 are provided with hollow pipettes 301, the two ends of the pipettes 301 are communicated, the lower ends of the pipettes 301 are aligned with the upper openings of the centrifugal barrels 203 and are in one-to-one correspondence, the upper ends of the pipettes 301 are provided with joints capable of being in butt joint with an external liquid supply/discharge mechanism, the pipettes 301 are used for extracting or adding liquid into the centrifugal barrels 203, after the centrifugation is completed, the mixed liquid is layered, and the pipettes 301 move down to a specific height to extract the cyhalothrin wet base.

The lower end of the first annular frame 204 is provided with a base 201 and a high-speed turntable 202, and the high-speed turntable 202 drives each centrifugal barrel 203 to rotate at a high speed.

The upper opening of the centrifugal barrel 203 is provided with a barrel cover 205, so that dust is reduced from falling into the barrel, and the center of the barrel cover 205 is provided with an opening hole, so that a pipette 301 can be conveniently inserted.

In the preferred scheme, the lifting frame 4 is further included, the lifting frame 4 comprises a cross frame 406, two ends of the cross frame 406 are provided with linear driving mechanisms 407, the cross frame 406 is driven to move up and down, a floating plate 401 capable of floating up and down is arranged in the middle of the cross frame 406, the floating plate 401 is connected with the second annular frame 303, the cross frame 406 is further provided with a sensor 405, and the sensor 405 is used for detecting the floating plate 401.

The linear driving mechanism 407 includes a sliding rod or a sliding rail, the middle is a ball screw structure, the end of the rolling screw is connected with a motor, the ball screw is connected with the sliding rod structure through a connecting frame, and the cross frame 406 is connected with the connecting frame.

The linear driving mechanism 407 is preferably a servo driving mechanism, and when the liquid transfer unit 3 moves downward, the downward movement height can be controlled, and the linear driving mechanism can be applied even when the specification of the centrifuge bucket 203 changes.

In a preferred scheme, a clamping sleeve 404 is arranged on the cross frame 406, a guide rod 402 is arranged in the clamping sleeve 404, the guide rod 402 is connected with the floating plate 401 in a sliding mode, a spring 403 is sleeved outside the guide rod 402, and two ends of the spring 403 abut against the floating plate 401 and the cross frame 406 respectively.

When the liquid is transferred, the pipette 301 moves downwards, if the position of the centrifugal barrel 203 is not correct, the pipette 301 is difficult to insert into the barrel, at the moment, the pipette 301 is jacked up together with the floating plate 401, the sensor 405 can be a proximity sensor, and when the floating plate 401 is detected to approach, a signal is sent to a master controller, the power supply is cut off, and all devices are protected.

In a preferred scheme, a plurality of first outward extending blocks 206 are arranged along the first annular frame 204, at least two inclined hooks 208 are arranged at the end parts of the first outward extending blocks 206, a hoop 207 is sleeved on the outer wall of the upper end of the centrifugal barrel 203, rotating shafts 209 are arranged at two ends of the hoop 207, and the rotating shafts 209 are clamped in the inclined hooks 208 to rotate.

When the centrifuge 2 starts rotating at a high speed, the centrifuge bucket 203 is tilted by the centrifugal force and stops rotating, and the centrifuge bucket 203 returns to be vertical by the gravity.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. A high-efficient cyhalothrin production centrifugal device is characterized in that: including centrifuge (2), centrifuge (2) are including rotatable first annular frame (204), first annular frame (204) are equipped with centrifuge bucket (203) that a plurality of slants arranged along circumference, centrifuge (2) top still is equipped with moves liquid subassembly (3), move liquid subassembly (3) including second annular frame (303) that can reciprocate, second annular frame (303) are equipped with a plurality of hollow pipettes (301) along circumference, pipette (301) both ends link up, each pipette (301) lower extreme aligns each centrifuge bucket (203) upper outlet, pipette (301) are used for the extraction or add liquid in centrifuge bucket (203).

2. The high-efficiency cyhalothrin production centrifugal device as claimed in claim 1, which is characterized in that: the device is characterized by further comprising a transverse frame (406), the transverse frame (406) can move up and down, a floating plate (401) capable of floating up and down is arranged in the middle of the transverse frame (406), the floating plate (401) is connected with the second annular frame (303), a sensor (405) is further arranged on the transverse frame (406), and the sensor (405) is used for detecting the floating plate (401).

3. The centrifugal device for producing lambda-cyhalothrin according to claim 2, which is characterized in that: the transverse frame (406) is provided with a clamping sleeve (404), a guide rod (402) is arranged in the clamping sleeve (404), the guide rod (402) is connected with the floating plate (401) in a sliding mode, a spring (403) is sleeved on the outer side of the guide rod (402), and two ends of the spring (403) are abutted to the floating plate (401) and the transverse frame (406) respectively.

4. The high-efficiency cyhalothrin production centrifugal device as claimed in claim 1, which is characterized in that: a plurality of first outward extending blocks (206) are arranged on the edge of the first annular frame (204), at least two inclined hooks (208) are arranged at the end parts of the first outward extending blocks (206), a hoop (207) is sleeved on the outer wall of the upper end of the centrifugal barrel (203), rotating shafts (209) are arranged at the two ends of the hoop (207), and the rotating shafts (209) are clamped in the inclined hooks (208) to rotate.