Chemical raw material mixture purifying device
By combining the heating reactor with the filtration and purification mechanism, and utilizing the design of the drive motor and scraper, the solid salt is automatically cleaned, solving the problem of filter clogging and reducing production costs.
Patent Information
- Application Number
- CN202423300155.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing technologies require repeated cleaning of the filtered solid salt, which leads to clogging of the filter structure, increasing workload and production costs.
A chemical raw material mixture purification device was designed. By cooperating a heated reaction vessel and a filtration purification mechanism, and using a drive motor to drive the drive gears and scrapers, the solid salt on the surface of the filter column is automatically cleaned. The internal solid salt is also conveniently cleaned by the cooperation of a movable ring and a control rod.
It improves the cleaning efficiency of solid salt, avoids clogging of the filter structure, and reduces production costs.
Smart Images
Figure CN223717124U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ethyl 2,3-dicyanopropionate production technical field, concretely relates to a chemical raw material mixture purification device. BACKGROUND
[0002] Ethyl 2,3-dicyanopropionate is an important intermediate for the synthesis of fipronil. At present, the synthesis methods of ethyl 2,3-dicyanopropionate reported in the literature are mainly divided into one-step method and two-step method. Among them, the two-step method has been basically not adopted due to low product efficiency and large amount of three wastes. The one-step method for producing ethyl 2,3-dicyanopropionate is to react with ethyl cyanoacetate, sodium cyanide and polyformaldehyde as raw materials in a solvent, and then to obtain ethyl 2,3-dicyanopropionate finished product through acidification, water washing, extraction, desolventizing and rectification treatment.
[0003] In the production process of ethyl 2,3-dicyanopropionate, the intermediate material needs to be filtered and purified. In the filtering process, the filtered solid salt needs to be cleaned repeatedly to avoid blocking the filter structure, thereby increasing the workload and production cost.
[0004] Therefore, it is necessary to invent a chemical raw material mixture purification device to solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a chemical raw material mixture purification device, which improves the cleaning efficiency of solid salt by cooperating the heating reaction kettle with the filtering and purifying mechanism, so as to solve the problem in the prior art that the filtered solid salt needs to be cleaned repeatedly to avoid blocking the filter structure, thereby increasing the workload and production cost.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a chemical raw material mixture purification device, comprising a heating reaction kettle, the bottom end of the heating reaction kettle is fixedly connected with a filtering and purifying mechanism, the filtering and purifying mechanism comprises a filter seat fixedly connected to the bottom end of the heating reaction kettle, the bottom end of the filter seat is fixedly connected with a collecting seat, the inner side wall of the filter seat is fixedly connected with a raised plate, the inside of the raised plate is rotatably connected with a filter column, the top of the filter column is a convex hemispherical shape and a plurality of groups of filter holes are formed in the top of the filter column, the surface of the filter column is provided with a scraper and the scraper is fixedly connected to the inner side wall of the filter seat, the top wall of the collecting seat is fixedly connected with a transmission motor, the output end of the transmission motor is fixedly connected with a transmission gear, one side of the transmission gear is engaged with a driven tooth, the driven tooth is fixedly connected to the outer side wall of the filter column, the transmission motor is started to drive the transmission gear to rotate, then the rotation of the filter column is realized through the cooperation of the transmission gear and the driven tooth, so that the solid salt on the surface of the filter column is gathered in one place under the action of the scraper.
[0007] Preferably, the bottom end of the heating reaction kettle is fixedly provided with a discharge valve, the top end of the heating reaction kettle is fixedly connected with a feeding pipe, the top end of the heating reaction kettle is fixedly connected with a steam outlet pipe, and the outer wall of the steam outlet pipe is sleeved with a gas valve.
[0008] Preferably, the top end of the heating reaction kettle is fixedly connected with a mixing motor, the output end of the mixing motor is fixedly connected with a transmission rod, and the outer wall of the transmission rod is fixedly connected with two groups of stirring rods.
[0009] Preferably, the outer wall of the stirring rod is provided with a turbulence groove, and the bottom of the collecting seat is fixedly connected with a discharge pipe.
[0010] Preferably, the inside of the heightening plate is slidably connected with a movable ring, the movable ring is located on one side of the scraper, and the inside of the side of the movable ring close to the scraper is fixedly connected with a magnet.
[0011] Preferably, the outer wall of the filtering seat is provided with a movable opening, the inside of the movable opening movably has a control rod, and the control rod is fixedly connected to the outer wall of the movable ring.
[0012] In the above technical scheme, the technical effects and advantages of the present application are provided.
[0013] 1. By cooperating the heating reaction kettle with the filtering and purifying mechanism, when it is necessary to clean the solid salt on the surface of the filtering column, the shape of the heightening plate is used to ensure that the intermediate material is filtered by the filtering column and the finished product after filtering enters the inside of the collecting seat, the transmission motor is started to drive the transmission gear to rotate, the transmission gear drives the driven gear to rotate with the filtering column, the cooperation of the filtering column and the scraper makes the scraper scrape the solid salt on the surface of the filtering column and accumulate it on one side of the scraper, so that the filtering column is cleaned.
[0014] 2. By cooperating the movable ring, the control rod and the movable opening, when it is necessary to clean the solid salt in the inside of the filtering seat, the control rod is rotated to make the movable ring slide to the inside of the heightening plate, so that the solid salt accumulated on the surface of the scraper enters the inside of the movable opening to facilitate cleaning, and after cleaning, the above operation is repeated in reverse, and the magnet in the inside of the movable ring is used to adsorb the scraper to limit the position. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments will be briefly introduced as follows. Obviously, the accompanying drawings in the following description only represent some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.
[0016] Figure 1 It is an overall structure schematic view of the present application.
[0017] Figure 2 It is an internal structure schematic view of the present application.
[0018] Figure 3 It is an internal structure schematic view of the collecting seat of the present application.
[0019] Figure 4 It is an internal structure schematic view of the filtering seat of the present application.
[0020] Figure 5 It is an internal structure schematic view of the present application. Figure 1 It is an enlarged structure schematic view of A in the present application.
[0021] Explanation of reference signs:
[0022] 1, heating reaction kettle; 2, filtering and purifying mechanism; 201, filtering seat; 202, collecting seat; 203, heightening plate; 204, filtering column; 205, scraper; 206, driven tooth; 207, transmission motor; 208, transmission gear; 3, discharge pipe; 4, feeding pipe; 5, mixing motor; 6, steam outlet pipe; 7, discharge valve; 8, movable ring; 9, control rod; 10, movable port; 11, transmission rod; 12, stirring rod; 13, turbulence groove. DETAILED DESCRIPTION
[0023] In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail in combination with the drawings.
[0024] The present application provides a kind of heating reaction kettle as shown in Figures 1-5The chemical raw material mixture purification device shown, including heating reaction kettle 1, the bottom end of heating reaction kettle 1 is fixedly connected with filter purification mechanism 2, filter purification mechanism 2 includes the filter seat 201 fixedly connected to the bottom end of heating reaction kettle 1, the bottom end of filter seat 201 is fixedly connected with collection seat 202, the inner side wall of filter seat 201 is fixedly connected with the raised plate 203, the inside of raised plate 203 is rotatably connected with filter column 204, the top of filter column 204 is the convex hemispherical shape and is provided with a plurality of groups of filter holes in the top of filter column 204, the surface of filter column 204 is provided with scraper 205 and scraper 205 is fixedly connected to the inner side wall of filter seat 201, the top wall of collection seat 202 is fixedly connected with transmission motor 207, the output end of transmission motor 207 is fixedly connected with transmission gear 208, one side of transmission gear 208 is engaged with driven tooth 206, driven tooth 206 is fixedly connected to the outer side wall of filter column 204, the transmission motor 207 is started to drive transmission gear 208 to rotate, then the rotation of filter column 204 is realized through the cooperation of transmission gear 208 and driven tooth 206, so that the solid salt on the surface of filter column 204 is gathered in one place under the action of scraper 205, through the cooperation of heating reaction kettle 1 and filter purification mechanism 2, when the solid salt on the surface of filter column 204 needs to be cleaned, the shape of raised plate 203 is used to ensure that the intermediate material is filtered by filter column 204 and the filtered finished product enters the inside of collection seat 202, the transmission motor 207 is started to drive transmission gear 208 to rotate, driven tooth 206 and filter column 204 are rotated by transmission gear 208, through the cooperation of filter column 204 and scraper 205, the solid salt on the surface of filter column 204 is scraped by scraper 205 and is accumulated on one side of scraper 205, so that the cleaning of filter column 204 is realized.
[0025] The accompanying drawings are referred to in the description of the application Figures 1-5The top end of the heating reaction kettle 1 is fixedly connected with a mixing motor 5, the output end of the mixing motor 5 is fixedly connected with a transmission rod 11, the outer side wall of the transmission rod 11 is fixedly connected with two groups of stirring rods 12, the stirring rods 12 are started to stir the intermediate material under the drive of the mixing motor 5, the outer side wall of the stirring rod 12 is provided with a spoiler groove 13, the bottom of the collecting seat 202 is fixedly connected with a discharge pipe 3, the discharge of the finished product is realized through the discharge pipe 3, the inside of the heightening plate 203 is slidably connected with a movable ring 8, the movable ring 8 is located at one side of the scraper 205, the inside of the side of the movable ring 8 close to the scraper 205 is fixedly connected with a magnet, the position of the movable ring 8 is limited through the magnet in the inside of the movable ring 8, the outer side wall of the filtering seat 201 is provided with a movable opening 10, the inside of the movable opening 10 movably has a control rod 9, the control rod 9 is fixedly connected to the outer side wall of the movable ring 8, the movement of the movable ring 8 and the cleaning of the solid salt are realized through the cooperation of the control rod 9 and the movable opening 10, through the cooperation of the movable ring 8, the control rod 9 and the movable opening 10, when it is needed to clean the solid salt in the inside of the filtering seat 201, the movable ring 8 is slid to the inside of the heightening plate 203 through rotating the control rod 9, so that the solid salt accumulated on the surface of the scraper 205 enters the inside of the movable opening 10 to facilitate the cleaning of people, after the cleaning is finished, the above operation is repeated in reverse, and the scraper 205 is adsorbed and limited through the magnet in the inside of the movable ring 8.
[0026] The utility model discloses a working principle:
[0027] Refer to the description attached Figures 1-5 When the intermediate material for producing ethyl dicyanopropionate needs to be purified, first, the raw material is introduced into the inside of the feeding pipe 4, so that it is heated in the inside of the heating reaction kettle 1, and the stirring rod 12 is started to stir the intermediate material under the drive of the mixing motor 5, the steam after heating is discharged through the steam outlet pipe 6, and the liquid needing to be filtered enters the inside of the filtering seat 201 under the control of the discharge valve 7 and is sprinkled on the surface of the filtering column 204, and is limited under the heightening plate 203, so that it is filtered through the filtering column 204, the solid salt filtered out is left on the surface of the filtering column 204, the transmission gear 208 is rotated under the drive of the transmission motor 207, the driven tooth 206 is driven through the transmission gear 208, and the filtering column 204 is rotated, through the cooperation of the filtering column 204 and the scraper 205, the solid salt on the surface of the filtering column 204 is scraped down by the scraper 205, and is accumulated on one side of the scraper 205, so that the cleaning of the filtering column 204 is realized, when the solid salt is too much, the movable ring 8 is slid to the inside of the heightening plate 203 through rotating the control rod 9, so that the solid salt accumulated on the surface of the scraper 205 enters the inside of the movable opening 10 to facilitate the cleaning of people, after the cleaning is finished, the above operation is repeated in reverse, and the scraper 205 is adsorbed and limited through the magnet in the inside of the movable ring 8.
[0028] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.
Claims
1. A chemical raw material mixture purification device, comprising a heating reaction kettle (1), characterized in that: The bottom end of the heating reaction kettle (1) is fixedly connected with a filtering and purifying mechanism (2), the filtering and purifying mechanism (2) comprises a filtering seat (201) fixedly connected to the bottom end of the heating reaction kettle (1), the bottom end of the filtering seat (201) is fixedly connected with a collecting seat (202), the inner side wall of the filtering seat (201) is fixedly connected with a raised plate (203), the inside of the raised plate (203) is rotatably connected with a filtering column (204), the top of the filtering column (204) is a convex semispherical shape and a plurality of groups of filtering holes are formed in the top of the filtering column (204), the surface of the filtering column (204) is provided with a scraper (205) and the scraper (205) is fixedly connected to the inner side wall of the filtering seat (201), the top wall of the collecting seat (202) is fixedly connected with a transmission motor (207), the output end of the transmission motor (207) is fixedly connected with a transmission gear (208), one side of the transmission gear (208) is engaged with a driven tooth (206), and the driven tooth (206) is fixedly connected to the outer side wall of the filtering column (204).
2. A device for purifying a mixture of chemical raw materials according to claim 1, characterized in that: The bottom end of the heating reaction kettle (1) is fixedly connected with a discharging valve (7), the top end of the heating reaction kettle (1) is fixedly connected with a feeding pipe (4), the top end of the heating reaction kettle (1) is fixedly connected with a steam outlet pipe (6), and the outer side wall of the steam outlet pipe (6) is sleeved with a gas valve.
3. The chemical feed mixture purification apparatus of claim 1, wherein: The top end of the heating reaction kettle (1) is fixedly connected with a mixing motor (5), the output end of the mixing motor (5) is fixedly connected with a transmission rod (11), and the outer side wall of the transmission rod (11) is fixedly connected with two groups of stirring rods (12).
4. A device for purifying a mixture of chemical raw materials according to claim 3, characterized in that: The outer side wall of the stirring rod (12) is provided with a turbulence groove (13), and the bottom of the collecting seat (202) is fixedly connected with a discharging pipe (3).
5. The chemical feed mixture purification apparatus of claim 1, wherein: The inside of the raised plate (203) is slidably connected with a movable ring (8), the movable ring (8) is located on one side of the scraper (205), and a magnet is fixedly connected to the inside of the side of the movable ring (8) close to the scraper (205).
6. The chemical feed mixture purification apparatus of claim 1, wherein: The outer side wall of the filtering seat (201) is provided with a movable opening (10), the inside of the movable opening (10) movably has a control rod (9), and the control rod (9) is fixedly connected to the outer side wall of the movable ring (8).