CN113416157A - Crystallization centrifugal leaching device for o-toluenesulfonamide - Google Patents
Crystallization centrifugal leaching device for o-toluenesulfonamide Download PDFInfo
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- CN113416157A CN113416157A CN202110708823.XA CN202110708823A CN113416157A CN 113416157 A CN113416157 A CN 113416157A CN 202110708823 A CN202110708823 A CN 202110708823A CN 113416157 A CN113416157 A CN 113416157A
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
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- C07C303/44—Separation; Purification
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Abstract
The invention discloses a crystallization centrifugal leaching device of o-toluenesulfonamide, which comprises a box body, a centrifuge, a leaching device and a controller, wherein the centrifuge is positioned in an inner cavity of the box body and comprises a centrifugal motor, an end plate, a net barrel, a sleeve barrel, a centrifugal cylinder and a rotary seat which are concentrically arranged, the end plate is driven to rotate by the centrifugal motor, the net barrel and the sleeve barrel are horizontally arranged, the left ends of the net barrel and the sleeve barrel are respectively provided with a net body opening and a sleeve body opening, the right side of the end plate is detachably arranged on the net barrel, the net body opening is sealed by the end plate, the sleeve barrel is driven to horizontally move left and right by the centrifugal cylinder so as to be sleeved outside the net barrel and seal the sleeve body opening by the end plate or be far away from the end plate and the net barrel, a sleeve body liquid pipe provided with a sleeve body electromagnetic valve is arranged on the side wall of the sleeve barrel, a liquid inlet of the sleeve body of the liquid pipe when the sleeve body rotates to be right above the sleeve barrel corresponds to a nozzle of the leaching device, so that impurities in crystals can be effectively removed, the high-purity o-toluenesulfonamide crystal with the purity of more than 99.5 percent is obtained, and the market competitiveness is greatly improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of crystallization and purification of o-toluenesulfonamide, in particular to the technical field of a crystallization centrifugal leaching device of o-toluenesulfonamide.
[ background of the invention ]
The o-toluenesulfonamide is a product produced by reacting o-toluenesulfonyl chloride with aqueous ammonia. In the reaction process, the o-toluenesulfonamide solid is continuously precipitated, the precipitated solid is taken as a crystal nucleus, and the subsequently precipitated solid is continuously coated on the crystal nucleus to grow until crystals with a certain diameter are formed. Due to the faster reaction rate, a large amount of impurity salts will also be encapsulated in the crystals. At this time, if the crystals of o-toluenesulfonamide are directly washed with the detergent, only the impurity salts on the surface of the crystals can be washed away, but the impurity salts located inside the crystals cannot be removed, so that the purity of the crystals can only reach 98%, and the export index cannot be met.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a centrifugal leaching device for crystallization of o-toluenesulfonamide, which can effectively remove impurities in crystals to obtain high-purity o-toluenesulfonamide crystals with the purity of more than 99.5 percent, and greatly improve the market competitiveness.
In order to achieve the purpose, the invention provides a crystallization centrifugal leaching device of o-toluenesulfonamide, which comprises a box body, a centrifuge, a leaching device and a controller, wherein the centrifuge is positioned in an inner cavity of the box body and comprises a centrifugal motor, an end plate, a net barrel, a sleeve barrel, a centrifugal cylinder and a rotary seat which are concentrically arranged, the end plate is driven to rotate by the centrifugal motor, the net barrel and the sleeve barrel are horizontally arranged, the left ends of the net barrel and the sleeve barrel are respectively provided with a net body opening and a sleeve body opening, the right side of the end plate is detachably installed on the net barrel and is sealed by the end plate, the net body opening is driven by the centrifugal cylinder to horizontally move left and right so as to be sleeved outside the net barrel and be sealed by the end plate or be far away from the end plate and the net barrel, a sleeve body liquid pipe provided with a sleeve body electromagnetic valve is arranged on the side wall of the sleeve barrel, a liquid inlet of the sleeve body liquid pipe when the sleeve body liquid pipe rotates to be right above the sleeve barrel corresponds to a nozzle of the leaching device, the centrifugal cylinder is rotatably connected onto the rotary seat, and the controller is electrically connected with the centrifuge and the drip washer respectively.
Preferably, the box includes case body, case lid and case leg, the top of case body is equipped with the pan feeding mouth and seals by the case lid, a plurality of the case leg props up the case body jointly, the bottom of case body is equipped with the portion of closing up, be equipped with the box liquid pipe of installing the box solenoid valve in the portion of closing up.
Preferably, the spray rinsing device comprises a liquid collecting pipe, a nozzle, a spray liquid pipe, a spray pump and a spray storage box, a spray connecting pipe is arranged above the side wall of the box body, the liquid collecting pipe is positioned in the inner cavity of the box body, the left end and the right end of the liquid collecting pipe are respectively connected with the nozzle and the spray connecting pipe, the spray pump and the spray storage box are sequentially connected from front to back through the spray liquid pipe.
Preferably, the right side of the end plate is concentrically provided with a net body annular groove and a sleeve body annular groove which are respectively used for inserting the net barrel and the sleeve barrel, and the inner walls of the net body annular groove and the sleeve body annular groove are respectively provided with a net body anti-seepage rubber ring and a sleeve body anti-seepage rubber ring.
Preferably, the heat exchanger comprises a heat conduction arc plate and a heat conduction convex column, the arc inner wall of the heat conduction arc plate is in contact with the outer wall of the sleeve barrel, the heat conduction convex column comprises a heat conduction sleeve, a heat conduction column and a heat conduction driving piece, the top ends of the heat conduction sleeves of the heat conduction convex columns are respectively fixed on the arc outer wall of the heat conduction arc plate, the top ends of the heat conduction columns stretch into the heat conduction sleeves, the heat conduction columns are driven by the heat conduction driving piece to vertically move up and down along the heat conduction sleeves, so that the bottom ends of the heat conduction columns stretch into the positions below the liquid level of the accumulated liquid at the bottom of the inner cavity of the box body or are retracted to the original positions, and the heat exchanger is electrically connected with the controller.
Preferably, the heat-conducting sleeve is internally provided with a cylinder sliding chute, a strip sliding chute and a notch respectively, the heat-conducting driving part comprises a sleeve motor, a gear and a rack, the heat-conducting column and the rack are connected to the cylinder sliding chute and the strip sliding chute in a sliding manner respectively, the gear driven by the sleeve motor to rotate is installed in the notch and meshed with the rack, and the rack is connected with the heat-conducting column.
Preferably, the arc-shaped inner wall of the heat-conducting arc plate is rotatably connected with a plurality of heat-conducting rotating wheels, and the heat-conducting rotating wheels are in contact with the outer wall of the sleeve barrel.
Preferably, the heat conducting seat plate is detachably mounted on the arc-shaped inner wall of the heat conducting arc plate, and the heat conducting rotating wheels are respectively and rotatably connected to the arc-shaped inner wall of the heat conducting seat plate.
Preferably, a liquid level monitor electrically connected with the controller is installed in the inner cavity of the box body.
Preferably, the cooling device further comprises a cooler, the cooler comprises a cooling box, a cooling pump and a cooling liquid pipe, a cooling feeding connecting pipe and a cooling returning connecting pipe are respectively arranged on the bottom plate of the box body, a circulating liquid path is formed among the cooling box, the cooling pump and the accumulated liquid positioned at the bottom of the inner cavity of the box body through the cooling liquid pipe, and the cooler is electrically connected with the controller.
The invention has the beneficial effects that: the method utilizes the mutual matching of the centrifuge and the elution device, can firstly utilize warm cleaning agent to dissolve the crude crystals of the o-toluenesulfonamide, and then after cooling and recrystallization, the cleaning agent on the surface of the new crystals of the o-toluenesulfonamide is thrown off, thereby effectively removing impurities in the crystals, obtaining the high-purity o-toluenesulfonamide crystals with the purity of more than 99.5 percent, and greatly improving the market competitiveness; by arranging the heat exchanger with the telescopic heat conduction convex column, a heat passage between the sleeve barrel and the accumulated liquid can be communicated or closed as required, so that the recrystallization speed of the o-toluenesulfonamide is controlled; the heat-conducting base plate with the plurality of heat-conducting rotating wheels is arranged on the arc-shaped inner wall of the heat-conducting arc plate, so that the friction force between the heat exchanger and the sleeve barrel can be reduced, and the heat-conducting rotating wheels can be conveniently detached and replaced; through setting up cooler and liquid level monitor, can make the hydrops among the box body inner chamber remain throughout at suitable temperature and height.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a centrifugal rinser for crystallization of o-toluenesulfonamide in accordance with the present invention;
FIG. 2 is a front sectional view of a centrifugal rinser for crystallizing ortho-toluenesulfonamide of the present invention with the spray liquid pipe, spray pump and spray tank removed;
FIG. 3 is a front view of a centrifuge of a centrifugal washer for crystallizing o-toluenesulfonamide of the present invention in an operating state;
FIG. 4 is a front view of a centrifuge of a centrifugal washer for crystallizing o-toluenesulfonamide according to the present invention in another operation state;
FIG. 5 is a right side view of an end plate of a centrifugal rinser for crystallization of o-toluenesulfonamide in accordance with the present invention;
FIG. 6 is a right side view of a heat exchanger of a centrifugal rinser for crystallization of o-toluenesulfonamide in accordance with the present invention;
FIG. 7 is a front view of the heat exchanger of the centrifugal leaching device for crystallizing the o-toluenesulfonamide according to the present invention after removing the heat conducting runner and the heat conducting base plate;
FIG. 8 is a front sectional view of a heat-conducting convex column of a centrifugal rinser for crystallizing o-toluenesulfonamide of the invention in an operating state;
FIG. 9 is a front sectional view of a heat-conducting convex column of a centrifugal rinser for crystallizing o-toluenesulfonamide of the invention in another working state.
In the figure: 1-box body, 11-box body, 111-spray connecting pipe, 112-box body liquid pipe, 113-box body electromagnetic valve, 114-cooling feeding connecting pipe, 115-cooling return connecting pipe, 12-box cover, 13-box leg, 2-centrifuge, 21-centrifugal motor, 22-end plate, 221-net body annular groove, 222-cover body annular groove, 23-net barrel, 24-cover barrel, 241-cover body liquid pipe, 242-cover body electromagnetic valve, 25-centrifugal cylinder, 26-rotary seat, 3-drip washer, 31-liquid collecting pipe, 32-nozzle, 33-spray liquid pipe, 34-spray pump, 35-spray box, 4-heat exchanger, 41-heat conducting arc plate, 42-heat conducting convex column, 421-heat conducting cover, 4211-cylinder chute, 4212-strip body sliding groove, 4213-notch, 422-heat conduction column, 423-heat conduction driving piece, 4231-sleeve body motor, 4232-gear, 4233-rack, 43-heat conduction rotating wheel, 44-heat conduction seat plate, 5-cooler, 51-cooling box, 52-cooling pump, 53-cooling liquid pipe and 6-liquid level monitor.
[ detailed description ] embodiments
Referring to fig. 1 to 9, the centrifugal elution device for crystallization of o-toluenesulfonamide of the present invention comprises a box body 1, a centrifuge 2, an elution device 3 and a controller, wherein the centrifuge 2 is located in an inner cavity of the box body 1 and comprises a centrifugal motor 21, an end plate 22, a net barrel 23, a sleeve barrel 24, a centrifugal cylinder 25 and a rotary base 26 which are concentrically arranged, the end plate 22 is driven to rotate by the centrifugal motor 21, the net barrel 23 and the sleeve barrel 24 are both horizontally arranged, the left ends of the net barrel 23 and the sleeve barrel 24 are respectively provided with a net body opening and a sleeve body opening, the right side of the end plate 22 is detachably installed on the net barrel 23, the net body opening is sealed by the end plate 22, the sleeve barrel 24 is driven to horizontally move left and right by the centrifugal cylinder 25 so as to be sleeved outside the net barrel 23 and be sealed by the end plate 22 by the sleeve body opening or be far away from the end plate 22 and the net barrel 23, a sleeve body opening is arranged on a side wall of the sleeve barrel 24, a sleeve body pipe 241 provided with a sleeve body electromagnetic valve 242 is arranged on which is arranged, and a liquid inlet 241 of the sleeve body pipe 241 when the sleeve body 241 rotates right above the sleeve barrel 24 is opposite to a nozzle 32 of the elution device 3 The centrifugal cylinder 25 is rotatably connected to the rotary base 26, and the controller is electrically connected to the centrifuge 2 and the shower 3, respectively.
The box 1 includes case body 11, case lid 12 and case leg 13, the top of case body 11 is equipped with the pan feeding mouth and seals by case lid 12, a plurality of case leg 13 props up case body 11 jointly, the bottom of case body 11 is equipped with the mouth of closing up portion, be equipped with the box liquid pipe 112 of installing box solenoid valve 113 on the mouth of closing up portion.
The shower apparatus 3 comprises a liquid collecting pipe 31, a nozzle 32, a spraying liquid pipe 33, a spraying pump 34 and a spraying storage tank 35, a spraying connecting pipe 111 is arranged above the side wall of the tank body 11, the liquid collecting pipe 31 is positioned in the inner cavity of the tank body 1, the left end and the right end of the liquid collecting pipe 31 are respectively connected with the nozzle 32 and the spraying connecting pipe 111, the spraying pump 34 and the spraying storage tank 35 are sequentially connected from front to back through the spraying liquid pipe 33.
The right side of the end plate 22 is concentrically provided with a net body annular groove 221 and a sleeve body annular groove 222 for inserting the net barrel 23 and the sleeve barrel 24 respectively, and the inner walls of the net body annular groove 221 and the sleeve body annular groove 222 are respectively provided with a net body anti-seepage rubber ring and a sleeve body anti-seepage rubber ring.
The heat exchanger 4 comprises a heat conduction arc plate 41 and a heat conduction convex column 42, the arc inner wall of the heat conduction arc plate 41 is in contact with the outer wall of the sleeve barrel 24, the heat conduction convex column 42 comprises a heat conduction sleeve 421, a heat conduction column 422 and a heat conduction driving piece 423, the top ends of the heat conduction sleeves 421 of the heat conduction convex columns 42 are respectively fixed on the arc outer wall of the heat conduction arc plate 41, the top ends of the heat conduction columns 422 extend into the heat conduction sleeves 421, the heat conduction columns 422 are driven by the heat conduction driving piece 423 and vertically move up and down along the heat conduction sleeves 421, so that the bottom ends of the heat conduction columns 422 extend into the liquid level of the effusion at the bottom of the inner cavity of the box body 11 or are retracted to the original position, and the heat exchanger 4 is electrically connected with the controller.
The heat conduction sleeve 421 is internally provided with a cylinder sliding groove 4211, a bar sliding groove 4212 and a notch 4213, the heat conduction driving member 423 comprises a sleeve motor 4231, a gear 4232 and a rack 4233, the heat conduction column 422 and the rack 4233 are connected to the cylinder sliding groove 4211 and the bar sliding groove 4212 in a sliding manner, the gear 4232 driven to rotate by the sleeve motor 4231 is installed in the notch 4213 and meshed with the rack 4233, and the rack 4233 is connected with the heat conduction column 422.
The arc-shaped inner wall of the heat-conducting arc plate 41 is rotatably connected with a plurality of heat-conducting rotating wheels 43, and the heat-conducting rotating wheels 43 are in contact with the outer wall of the sleeve barrel 24.
The heat conducting arc plate 41 is detachably provided with a heat conducting base plate 44 on the arc inner wall, and the heat conducting rotating wheels 43 are respectively and rotatably connected on the arc inner wall of the heat conducting base plate 44.
A liquid level monitor 6 electrically connected with the controller is arranged in the inner cavity of the box body 1.
Still include cooler 5, cooler 5 includes cooling tank 51, cooling pump 52 and coolant liquid pipe 53, be equipped with cooling feeding takeover 114 and cooling feed back takeover 115 on the bottom plate of case body 11 respectively, form the circulation liquid way through coolant liquid pipe 53 between cooling tank 51, cooling pump 52 and the hydrops that are located the case body 11 inner chamber bottom, cooler 5 is connected with the controller electricity.
The working process of the invention is as follows:
firstly, the box cover 12 is opened, a certain amount of crude crystals of o-toluenesulfonamide are poured into the net barrel 23, the left end of the net barrel 23 is inserted into the net body annular groove 221 of the end plate 22 again, and the box cover 12 is closed. Then, the centrifugal cylinder 25 drives the sleeve barrel 24 to move leftwards until the sleeve barrel 24 is sleeved outside the net barrel 23 and the left end is inserted into the sleeve body annular groove 222 of the end plate 22. Subsequently, the sheath solenoid valve 242 is opened, and the nozzle 32 sends the warm detergent pumped from the spray tank 35 by the spray pump 34 into the sheath barrel 24 along the sheath liquid pipe 241. Then, the cover body electromagnetic valve 242 is closed, the centrifugal motor 21 drives the end plate 22 to rotate, and drives the mesh barrel 23, the sleeve barrel 24 and the centrifugal cylinder 25 to rotate, so that the crude crystals of the o-toluenesulfonamide in the mesh barrel 23 are fully dissolved by the cleaning agent. Next, the sheath motor 4231 drives the gear 4232 to rotate, the rack 4233 engaged with the gear 5232 drives the heat conduction column 422 to move downwards and extend below the liquid level of the effusion at the bottom of the inner cavity of the box body 11, and the heat exchanger 4 is used for transmitting the heat inside the sleeve barrel 24 to the effusion with lower temperature, so that the o-toluenesulfonamide in the sleeve barrel 24 starts to crystallize again. Meanwhile, the cooling pump 52 can circulate the accumulated liquid between the tank body 11 and the cooling tank 51, so that the accumulated liquid is always kept at a low temperature by using the cooling tank 51. After the crystallization is finished, the centrifugal cylinder 25 drives the sleeve 24 to move rightward until the sleeve 24 leaves the end plate 22 and the net drum 23. At this time, the centrifugal motor 21 drives the end plate 22 to rotate again, and drives the mesh barrel 23 to rotate, thereby throwing off the cleaning agent on the newly crystallized surface of the o-toluenesulfonamide. After repeating the above operations for several times, the crystals of o-toluenesulfonamide can be taken out.
The method utilizes the mutual matching of the centrifuge and the elution device, can firstly utilize warm cleaning agent to dissolve the crude crystals of the o-toluenesulfonamide, and then after cooling and recrystallization, the cleaning agent on the surface of the new crystals of the o-toluenesulfonamide is thrown off, thereby effectively removing impurities in the crystals, obtaining the high-purity o-toluenesulfonamide crystals with the purity of more than 99.5 percent, and greatly improving the market competitiveness; by arranging the heat exchanger with the telescopic heat conduction convex column, a heat passage between the sleeve barrel and the accumulated liquid can be communicated or closed as required, so that the recrystallization speed of the o-toluenesulfonamide is controlled; the heat-conducting base plate with the plurality of heat-conducting rotating wheels is arranged on the arc-shaped inner wall of the heat-conducting arc plate, so that the friction force between the heat exchanger and the sleeve barrel can be reduced, and the heat-conducting rotating wheels can be conveniently detached and replaced; through setting up cooler and liquid level monitor, can make the hydrops among the box body inner chamber remain throughout at suitable temperature and height.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (10)
1. The centrifugal leaching device for crystallization of o-toluenesulfonamide is characterized in that: including box (1), centrifuge (2), drip washing ware (3) and controller, centrifuge (2) are arranged in the inner chamber of box (1) and including centrifugal motor (21), end plate (22), net bucket (23), cover bucket (24), centrifugal cylinder (25) and roating seat (26) that set up with one heart, end plate (22) are rotated by centrifugal motor (21) drive, net bucket (23) and cover bucket (24) are equal level setting and the left end is equipped with net body opening and cover body opening respectively, the right side of net bucket (23) demountable installation end plate (22) and seal net body opening by end plate (22), thereby cover is established outside net bucket (23) and is sealed cover body opening or keep away from end plate (22) and net bucket (23) by end plate (22) cover body opening by centrifugal cylinder (25) drive level, be equipped with the cover body solenoid valve (241) of installing cover body solenoid valve (242) on the lateral wall of cover bucket (24), the liquid inlet of the sleeve body liquid pipe (241) corresponds to the nozzle (32) of the elution device (3) when the sleeve barrel (24) is rotated to the position right above the sleeve barrel, the centrifugal cylinder (25) is rotatably connected onto the rotating seat (26), and the controller is electrically connected with the centrifugal device (2) and the elution device (3) respectively.
2. The centrifugal elution unit for crystallization of o-toluenesulfonamide as claimed in claim 1, wherein: box (1) is including case body (11), case lid (12) and case leg (13), the top of case body (11) is equipped with the pan feeding mouth and seals by case lid (12), a plurality of case leg (13) prop up case body (11) jointly, the bottom of case body (11) is equipped with the portion of closing up, be equipped with box liquid pipe (112) of installing box solenoid valve (113) in the portion of closing up.
3. The centrifugal elution unit for crystallization of o-toluenesulfonamide as claimed in claim 2, wherein: drip washing ware (3) are including collector tube (31), nozzle (32), spray liquid pipe (33), spray pump (34) and spray storage tank (35), the lateral wall top of case body (11) is equipped with spray connection pipe (111), collector tube (31) are arranged in the inner chamber of box (1) and control both ends and be connected with nozzle (32) and spray connection pipe (111) respectively, spray connection pipe (111), spray pump (34) and spray storage tank (35) and connect gradually around through spray liquid pipe (33).
4. The centrifugal elution unit for crystallization of o-toluenesulfonamide as claimed in claim 2, wherein: the right side of the end plate (22) is concentrically provided with a net body annular groove (221) and a sleeve body annular groove (222) which are respectively used for inserting the net barrel (23) and the sleeve barrel (24), and the inner walls of the net body annular groove (221) and the sleeve body annular groove (222) are respectively provided with a net body anti-seepage rubber ring and a sleeve body anti-seepage rubber ring.
5. The centrifugal elution unit for crystallization of o-toluenesulfonamide as claimed in claim 2, wherein: the heat exchanger (4) comprises a heat conduction arc plate (41) and a heat conduction convex column (42), the arc-shaped inner wall of the heat conduction arc plate (41) is in contact with the outer wall of the sleeve barrel (24), the heat conduction convex column (42) comprises a heat conduction sleeve (421), a heat conduction column (422) and a heat conduction driving piece (423), the top ends of the heat conduction sleeves (421) of the heat conduction convex columns (42) are respectively fixed on the arc-shaped outer wall of the heat conduction arc plate (41), the top ends of the heat conduction columns (422) extend into the heat conduction sleeve (421), the heat conduction columns (422) are driven by the heat conduction driving piece (423) to vertically move up and down along the heat conduction sleeve (421), so that the bottom ends of the heat conduction columns (422) extend into the liquid level of the liquid accumulation at the bottom of the inner cavity of the box body (11) or are retracted to the original position, and the heat exchanger (4) is electrically connected with the controller.
6. The centrifugal elution unit for crystallization of o-toluenesulfonamide as claimed in claim 5, wherein: the heat conduction sleeve (421) is internally provided with a cylinder sliding groove (4211), a strip sliding groove (4212) and a notch (4213), the heat conduction driving part (423) comprises a sleeve motor (4231), a gear (4232) and a rack (4233), the heat conduction column (422) and the rack (4233) are respectively connected to the cylinder sliding groove (4211) and the strip sliding groove (4212) in a sliding manner, the gear (4232) driven to rotate by the sleeve motor (4231) is installed in the notch (4213) and meshed with the rack (4233), and the rack (4233) is connected with the heat conduction column (422).
7. The centrifugal elution unit for crystallization of o-toluenesulfonamide as claimed in claim 5, wherein: the arc-shaped inner wall of the heat-conducting arc plate (41) is rotatably connected with a plurality of heat-conducting rotating wheels (43), and the heat-conducting rotating wheels (43) are in contact with the outer wall of the sleeve barrel (24).
8. The centrifugal elution unit for crystallization of o-toluenesulfonamide as claimed in claim 7, wherein: the arc-shaped inner wall of the heat conduction arc plate (41) is detachably provided with a heat conduction seat plate (44), and the heat conduction rotating wheels (43) are respectively and rotatably connected to the arc-shaped inner wall of the heat conduction seat plate (44).
9. The centrifugal elution unit for crystallization of o-toluenesulfonamide as claimed in claim 8, wherein: and a liquid level monitor (6) electrically connected with the controller is arranged in the inner cavity of the box body (1).
10. A centrifugal crystal washer of o-toluenesulfonamide as claimed in any one of claims 5 to 9, wherein: still include cooler (5), cooler (5) include cooler bin (51), cooling pump (52) and coolant liquid pipe (53), be equipped with cooling feeding takeover (114) and cooling feed back takeover (115) on the bottom plate of case body (11) respectively, form the circulation liquid way through coolant liquid pipe (53) between cooler bin (51), cooling pump (52) and the hydrops that are located case body (11) inner chamber bottom, cooler (5) are connected with the controller electricity.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1476047A (en) * | 1975-12-08 | 1977-06-10 | Braunschweigische Masch Bau | Sugar treatment |
| CN202803573U (en) * | 2012-08-24 | 2013-03-20 | 绍兴奇彩化工有限公司 | Separating device of 1, 8-nitroanthraquinone |
| CN202942970U (en) * | 2012-12-13 | 2013-05-22 | 苏学勤 | Horizontal helical screen centrifuge |
| CN104961663A (en) * | 2015-05-27 | 2015-10-07 | 南通沃兰化工有限公司 | Apparatus for improving content of sulfonamide through base-dissolving acidification, and method thereof |
| CN206081727U (en) * | 2016-10-19 | 2017-04-12 | 江西乐维生物药业有限公司 | Chemical industry crystallization kettle |
| CN207188013U (en) * | 2017-08-30 | 2018-04-06 | 天津市科盟化工工贸有限公司 | A kind of centrifugal device for sodium thiosulfate production |
| CN108262292A (en) * | 2018-01-19 | 2018-07-10 | 罗必锋 | A kind of auto parts Quick cleaning device |
| CN208449624U (en) * | 2018-06-19 | 2019-02-01 | 河南海源精细化工有限公司 | Centrifuge is used in the purification of butynediols crystal |
| CN110078646A (en) * | 2019-05-13 | 2019-08-02 | 浙江嘉化新材料有限公司 | A kind of production method of pair of methylsulfonyltoluene |
| CN211799357U (en) * | 2019-12-24 | 2020-10-30 | 青海联大化工科技有限公司 | Integrated device for continuously separating fine crystals |
| CN111905400A (en) * | 2020-07-15 | 2020-11-10 | 浙江嘉化新材料有限公司 | Coarse crystal recrystallization device |
| CN112156493A (en) * | 2020-09-21 | 2021-01-01 | 山东民基新材料科技有限公司 | Crystallization centrifuge |
-
2021
- 2021-06-25 CN CN202110708823.XA patent/CN113416157B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1476047A (en) * | 1975-12-08 | 1977-06-10 | Braunschweigische Masch Bau | Sugar treatment |
| CN202803573U (en) * | 2012-08-24 | 2013-03-20 | 绍兴奇彩化工有限公司 | Separating device of 1, 8-nitroanthraquinone |
| CN202942970U (en) * | 2012-12-13 | 2013-05-22 | 苏学勤 | Horizontal helical screen centrifuge |
| CN104961663A (en) * | 2015-05-27 | 2015-10-07 | 南通沃兰化工有限公司 | Apparatus for improving content of sulfonamide through base-dissolving acidification, and method thereof |
| CN206081727U (en) * | 2016-10-19 | 2017-04-12 | 江西乐维生物药业有限公司 | Chemical industry crystallization kettle |
| CN207188013U (en) * | 2017-08-30 | 2018-04-06 | 天津市科盟化工工贸有限公司 | A kind of centrifugal device for sodium thiosulfate production |
| CN108262292A (en) * | 2018-01-19 | 2018-07-10 | 罗必锋 | A kind of auto parts Quick cleaning device |
| CN208449624U (en) * | 2018-06-19 | 2019-02-01 | 河南海源精细化工有限公司 | Centrifuge is used in the purification of butynediols crystal |
| CN110078646A (en) * | 2019-05-13 | 2019-08-02 | 浙江嘉化新材料有限公司 | A kind of production method of pair of methylsulfonyltoluene |
| CN211799357U (en) * | 2019-12-24 | 2020-10-30 | 青海联大化工科技有限公司 | Integrated device for continuously separating fine crystals |
| CN111905400A (en) * | 2020-07-15 | 2020-11-10 | 浙江嘉化新材料有限公司 | Coarse crystal recrystallization device |
| CN112156493A (en) * | 2020-09-21 | 2021-01-01 | 山东民基新材料科技有限公司 | Crystallization centrifuge |
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