CN119524509B - A vacuum belt filter for the synthesis of methyl thiophanate - Google Patents
A vacuum belt filter for the synthesis of methyl thiophanateInfo
- Publication number
- CN119524509B CN119524509B CN202411487321.9A CN202411487321A CN119524509B CN 119524509 B CN119524509 B CN 119524509B CN 202411487321 A CN202411487321 A CN 202411487321A CN 119524509 B CN119524509 B CN 119524509B
- Authority
- CN
- China
- Prior art keywords
- filter
- filter cake
- belt
- rack
- collecting box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
- B01D33/60—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for washing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
本发明公开了一种用于合成甲基硫菌灵的真空带式过滤机，包括驱动架、循环过滤带和储液罐，所述循环过滤带安装在驱动架，驱动架驱动循环过滤带循环移动，循环过滤带的内测设有真空抽吸盒，储液罐通过进液管与真空抽吸盒连通，真空抽吸盒通过真空泵维持低压状态，储液罐通过出液管与液泵连接，将液体输送走，循环过滤带一端为投料区，另一端为排料区，所述循环过滤带靠近排料区的一侧设有滤饼收集箱；所述滤饼收集箱内设有滤饼刮除机构和滤饼滤饼排出机构。本发明中用于合成甲基硫菌灵的真空带式过滤机具有过滤效率高、滤饼刮除效果好、清洁功能强、滤渣排放高效以及工作稳定可靠等诸多优点。
This invention discloses a vacuum belt filter for synthesizing methyl thiophanate, comprising a drive frame, a circulating filter belt, and a storage tank. The circulating filter belt is mounted on the drive frame, which drives the filter belt to circulate. A vacuum suction box is located on the inner side of the circulating filter belt. The storage tank is connected to the vacuum suction box via an inlet pipe. The vacuum suction box is maintained at a low pressure by a vacuum pump. The storage tank is connected to a liquid pump via an outlet pipe to transport the liquid. One end of the circulating filter belt is a feeding area, and the other end is a discharge area. A filter cake collection box is located on the side of the circulating filter belt near the discharge area. The filter cake collection box contains a filter cake scraping mechanism and a filter cake discharge mechanism. The vacuum belt filter for synthesizing methyl thiophanate in this invention has many advantages, including high filtration efficiency, good filter cake scraping effect, strong cleaning function, efficient filter residue discharge, and stable and reliable operation.
Description
Technical Field
The invention relates to the technical field of thiophanate-methyl synthesis, in particular to a vacuum belt filter for synthesizing thiophanate-methyl.
Background
Thiophanate-methyl, chemical formula C 12H14N4O4S2, is a broad-spectrum systemic low-toxicity bactericide, and has systemic, preventive and therapeutic effects. The plant disease preventing agent is developed by Japanese Cao Togaku, and can effectively prevent and treat diseases of various crops.
In the process for preparing thiophanate-methyl product by using methyl chloroformate, sodium thiocyanate and o-phenylenediamine as raw materials and in the presence of ethyl acetate solvent and catalyst according to a certain proportion, a small amount of reactant and solvent impurities which are not completely reacted exist in crude wet product thiophanate-methyl obtained after the reaction, so that the processes of suction filtration and water washing of the crude wet product are needed, and a vacuum belt filter is needed.
In the prior art, a vacuum belt filter generally adopts a single scraping plate structure, filter cake residues are easy to occur, the scraping effect is not ideal, and filter cakes are easy to accumulate on the surface of the scraping plate, so that the subsequent scraping operation is influenced.
Disclosure of Invention
In order to solve the problems mentioned in the background art, the invention provides a vacuum belt filter for synthesizing thiophanate-methyl.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a vacuum belt filter for synthesizing thiophanate-methyl, includes drive frame, circulation filter belt and liquid storage pot, the circulation filter belt is installed at the drive frame, and drive frame drive circulation filter belt circulation removes, and the interior of circulation filter belt is surveyed and is had vacuum suction box, and the liquid storage pot passes through the feed liquor pipe and is linked together with vacuum suction box, and vacuum suction box passes through the vacuum pump and keeps low pressure state, and the liquid storage pot passes through the drain pipe and is connected with the liquid pump, carries away liquid, and circulation filter belt one end is the material feeding district, and the other end is the material discharging district, the one side that the circulation filter belt is close to the material discharging district is equipped with the filter cake collecting box;
a filter cake scraping mechanism and a filter cake discharging mechanism are arranged in the filter cake collecting box;
a washing spray head is arranged on one side, close to the filter cake collecting box, above the driving frame.
Preferably, the filter cake scraping mechanism comprises a first scraping plate, the filter cake collecting box is of an open design, a horizontal sliding rail is arranged on the inner wall of the filter cake collecting box, the first scraping plate is slidably mounted on the horizontal sliding rail through a sliding block and can horizontally move in the filter cake collecting box, and the circulating filter belt movably penetrates through the filter cake collecting box.
Preferably, the first scrapers are four, the four first scrapers are distributed at equal intervals from top to bottom, four second scrapers are fixed on the inner wall of the filter cake collecting box, the second scrapers correspond to the first scrapers one by one, and the bottom ends of the second scrapers are in surface contact with the top ends of the first scrapers.
Preferably, the filter cake collecting box is provided with a scraper driving mechanism, the scraper driving mechanism comprises a first rack, a second rack, a third rack and a fourth rack, the scraper driving mechanism is sequentially and correspondingly fixed with the four first scrapers, a first transmission gear is arranged between the first rack and the second rack, and a second transmission gear is arranged between the third rack and the fourth rack.
Preferably, the first rack and the second rack are both meshed with the first transmission gear, and the third rack and the fourth rack are both meshed with the second transmission gear.
Preferably, a driving bar is fixed between the second rack and the fourth rack, a reciprocating screw rod is rotatably installed on the outer wall of the filter cake collecting box, the reciprocating screw rod penetrates through the driving bar through a threaded hole, and the reciprocating screw rod is driven to rotate through a first rotating motor.
Preferably, a scraper flushing mechanism is arranged in the filter cake collecting box, the scraper flushing mechanism comprises a cleaning liquid introducing pipe, a plurality of cleaning spray heads are connected to the cleaning liquid introducing pipe, and the cleaning spray heads are in one-to-one correspondence with the first scrapers.
Preferably, the filter cake discharging mechanism comprises a discharging screw, the discharging screw is rotatably arranged in the filter cake collecting box and is close to the bottom end, the discharging screw is driven to rotate through a second rotating motor, a discharging port is arranged on one side of the filter cake collecting box, and the discharging screw extends to the outside of the filter cake collecting box through the discharging port.
Preferably, a pressing plate is elastically installed in the filter cake collecting box, and the pressing plate is arranged in parallel with the circulating filter belt.
Preferably, one side of the pressing plate far away from the first scraping plate is provided with a guide rod, the guide rod movably penetrates through the side wall of the filter cake collecting box through a guide hole and is connected with a limiting piece, and the outer side of the guide rod is sleeved with a spring.
Compared with the prior art, the invention has the beneficial effects that:
1. The equipment is matched with a vacuum suction box and a circulating filter belt, and the air pressure difference is utilized to accelerate the filtering process, so that the wet material in the synthesizing thiophanate-methyl process is subjected to high-efficiency filter pressing. The multiple groups of vacuum suction boxes and liquid storage tanks are distributed at equal intervals, so that the filtering efficiency is further improved, hot water at 60-80 ℃ is sprayed and washed on a filter cake by a washing nozzle, impurities in the filter cake are effectively removed, and the purity of a thiophanate-methyl finished product is improved.
2. The first scrapers and the second scrapers are matched, the scraped filter cakes can be prevented from accumulating on the surfaces of the first scrapers, the effect of scraping the filter cakes is improved, the four first scrapers are distributed at equal intervals from top to bottom and correspond to the four second scrapers one by one, the filter cakes are thoroughly removed, the scraper driving mechanism drives the reciprocating screw rod through the first rotating motor to drive the rack and the transmission gear to move, the first scrapers horizontally reciprocate, the two first scrapers are always contacted with the circulating filter belt to bear the scraping function, the filter cakes on the surfaces of the circulating filter belt are prevented from remaining, the scraping effect is improved, meanwhile, the other two first scrapers are relatively displaced with the second scrapers in the process of being far away from the circulating filter belt, the effect of scraping the filter cakes accumulated on the tops of the first scrapers is achieved, and the scraping and cleaning efficiency is improved;
3. When the first scraping plate far away from the circulating filter belt moves to the lower part of the cleaning spray head, the cleaning spray head sprays water to clean the surface of the first scraping plate, so that the double cleaning effects of scraping and spraying are realized, the first scraping plate is ensured to always keep a good working state, and the efficiency and quality of scraping the filter cake are further improved;
4. the discharge screw is driven to rotate by the second rotating motor, so that the discharge of filter residues is accelerated, the overall working efficiency of the equipment is improved, and the filter residues can be smoothly discharged out of the filter cake collecting box due to the design of the discharge port, so that the subsequent treatment and transfer are facilitated;
5. The pressing plate which is elastically arranged in the filter cake collecting box can generate supporting force on the circulating filter belt, so that certain pressure is kept between the circulating filter belt and the first scraping plate, the filter cake can be scraped off smoothly, and the reliability and stability of scraping the filter cake are improved.
In conclusion, the vacuum belt filter for synthesizing thiophanate-methyl has the advantages of high filtering efficiency, good filter cake scraping effect, strong cleaning function, high efficiency in filter residue discharge, stable and reliable operation and the like.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a first view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a second perspective view of the present invention;
FIG. 4 is a perspective view of a filter cake collection box of the present invention from a first perspective;
FIG. 5 is a second perspective view of the filter cake collection box of the present invention;
FIG. 6 is an enlarged detail view of the position A of FIG. 5;
FIG. 7 is a perspective cross-sectional view of the filter cake collection box of the present invention;
FIG. 8 is a third perspective view of the filter cake collection box of the present invention;
FIG. 9 is a first view distribution diagram of a first screed according to the present invention;
FIG. 10 is a second view angle distribution schematic of the first squeegee according to the invention;
FIG. 11 is a third view angle distribution diagram of the first screed according to the present invention;
FIG. 12 is a cross-sectional view of the filter cake collection box of the present invention from a main perspective;
Fig. 13 is an enlarged detail view of the B position in fig. 12.
In the figure, a driving frame, a 101 circulating filter belt, a 102 feeding area, a 103 discharging area, a 104 washing spray head, a 2 liquid storage tank, a 201 liquid inlet pipe, a 202 liquid outlet pipe, a 203 liquid pump, a 4 filter cake collecting box, a 401 discharging port, a 402 discharging screw, a 403 second rotating motor, a 5 first scraping plate, a 501 second scraping plate, a 502 sliding block, a 503 horizontal sliding rail, a 601 first rack, a 602 second rack, a 603 third rack, a 604 fourth rack, a 606 first transmission gear, a 607 second transmission gear, a 608 driving bar, a 609 reciprocating screw rod, a 610 first rotating motor, a 7 pressing plate, a 701 guide rod, a 702 limiting piece, a 703 spring, an 8 cleaning liquid introducing pipe and a 801 cleaning spray head are arranged.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-13, a vacuum belt filter for synthesizing thiophanate-methyl comprises a driving frame 1, a circulating filter belt 101 and a liquid storage tank 2, wherein the circulating filter belt 101 is arranged on the driving frame 1, the driving frame 1 drives the circulating filter belt 101 to move circularly, a vacuum suction box is arranged in the circulating filter belt 101, the liquid storage tank 2 is communicated with the vacuum suction box through a liquid inlet pipe 201, the vacuum suction box is kept in a low-pressure state through a vacuum pump, the liquid storage tank 2 is connected with a liquid pump 203 through a liquid outlet pipe 202 to convey liquid away, one end of the circulating filter belt 101 is a feeding area 102, the other end is a discharging area 103, and a filter cake collecting box 4 is arranged on one side, close to the discharging area 103, of the circulating filter belt 101;
Wet materials are discharged on a feeding area 102 through a feeding device, the circulating filter belt 101 moves, when the circulating filter belt 101 moves to a vacuum suction box area with materials, suction force towards the vacuum suction box direction is generated due to air pressure difference, and therefore filtration is accelerated, the volume contained in the wet materials enters the vacuum suction box after filtration, the volume can be sucked into a liquid storage tank 2 for temporary storage, the vacuum suction box and the liquid storage tank 2 are provided with a plurality of groups and are distributed at equal intervals, so that the wet materials are efficiently filtered, a filter cake is finally formed on the surface of the circulating filter belt 101, a washing spray head 104 is arranged on one side, close to the filter cake collecting box 4, of the upper side of a driving frame 1, hot water at 60-80 ℃ is sprayed and washed on the filter cake, after the filter cake moves to the discharging area 103, a filter cake scraping mechanism and a filter cake discharging mechanism are arranged in the filter cake collecting box 4, the filter cake can be scraped from the surface of the circulating filter belt 101, the filter cake falls into the filter cake collecting box 4 for collection, and is transferred to a dryer for drying, and a thiophanate methyl finished product can be obtained.
Example 2
Referring to fig. 1 to 13, the difference between the present embodiment and embodiment 1 is that the filter cake scraping mechanism includes a first scraper 5, the filter cake collecting box 4 is of an open design, and a horizontal sliding rail 503 is provided on the inner wall of the filter cake collecting box 4, the first scraper 5 is slidably mounted on the horizontal sliding rail 503 by a sliding block 502, and can horizontally move in the filter cake collecting box 4, and the circulating filter belt 101 moves through the filter cake collecting box 4;
the first scraper 5 can be in contact with the surface of the circulating filter belt 101 and has a certain pressure, and when the circulating filter belt 101 moves in a circulating way, the circulating filter belt 101 and the first scraper 5 are positioned oppositely, so that a filter cake on the surface of the circulating filter belt 101 can be scraped off by the first scraper 5, and the filter cake falls into the filter cake collecting box 4.
In order to prevent the scraped filter cake from accumulating on the surface of the first scraping plate 5 and improve the effect of scraping the filter cake, the first scraping plate 5 is provided with four first scraping plates 5 which are distributed from top to bottom at equal intervals, four second scraping plates 501 are fixed on the inner wall of the filter cake collecting box 4, the second scraping plates 501 are in one-to-one correspondence with the first scraping plates 5, and the bottom ends of the second scraping plates 501 are in contact with the top end surfaces of the first scraping plates 5;
When the first scraper 5 moves horizontally, the second scraper 501 moves relative to the first scraper 5, so that the filter cake gathered at the top end of the first scraper 5 can be scraped off and falls into the filter cake collecting box 4.
The filter cake collecting box 4 is provided with a scraper driving mechanism, the scraper driving mechanism comprises a first rack 601, a second rack 602, a third rack 603 and a fourth rack 604, the scraper driving mechanism is sequentially and correspondingly fixed with four first scrapers 5, a first transmission gear 606 is arranged between the first rack 601 and the second rack 602, a second transmission gear 607 is arranged between the third rack 603 and the fourth rack 604, the first rack 601 and the second rack 602 are meshed with the first transmission gear 606, the third rack 603 and the fourth rack 604 are meshed with the second transmission gear 607, a driving bar 608 is fixed between the second rack 602 and the fourth rack 604, a reciprocating screw 609 is rotatably arranged on the outer wall of the filter cake collecting box 4, the reciprocating screw 609 penetrates through the driving bar 608 through a threaded hole, and the reciprocating screw 609 is driven to rotate through a first rotary motor 610;
When the first rotary motor 610 is started, the driving bar 608 can be driven to horizontally reciprocate through the rotation of the reciprocating screw 609, so that the second rack 602 and the fourth rack 604 are driven to horizontally reciprocate, due to the transmission action of the first transmission gear 606 and the second transmission gear 607, the first rack 601 and the second rack 602 keep synchronously and reversely moving, and the third rack 603 and the fourth rack 604 keep synchronously and reversely moving, so that two first scrapers 5 are contacted with the circulating filter belt 101, the scraping function is guaranteed, the scraping effect is improved, the filter cake residue on the surface of the circulating filter belt 101 is prevented, the remaining two first scrapers 5 are far away from the circulating filter belt 101, and can relatively move with the second scrapers 501 in the process of being far away from the circulating filter belt 101, so that the effect of scraping the filter cake accumulated at the top ends of the first scrapers 5 is achieved, and the scraping and cleaning efficiency is improved through the conversion between the two positions of the first scrapers 5.
Example 3
Referring to fig. 1 to 13, the present embodiment differs from embodiment 2 in that a scraper flushing mechanism is provided inside the filter cake collecting tank 4, the scraper flushing mechanism includes a cleaning liquid introducing pipe 8, a plurality of cleaning nozzles 801 are connected to the cleaning liquid introducing pipe 8, and the cleaning nozzles 801 are in one-to-one correspondence with the first scraper 5;
When the remaining two first scrapers 5 are far away from the circulating filter belt 101, they move just below the cleaning nozzle 801, and the cleaning nozzle 801 can spray water to clean the surfaces of the first scrapers 5, thereby having the effect of double scraping and spraying cleaning.
The filter cake discharging mechanism comprises a discharging screw 402, the discharging screw 402 is rotatably arranged in the filter cake collecting box 4 and is close to the bottom end, the discharging screw 402 is driven to rotate by a second rotating motor 403, a discharging port 401 is arranged on one side of the filter cake collecting box 4, and the discharging screw 402 extends to the outside of the filter cake collecting box 4 through the discharging port 401;
The discharge of the filter residue can be accelerated by rotating the discharge screw 402 by the second rotating motor 403.
The filter cake collecting box 4 is internally and elastically provided with a pressing plate 7, the pressing plate 7 is arranged in parallel with the circulating filter belt 101, one side of the pressing plate 7, which is far away from the first scraping plate 5, is provided with a guide rod 701, the guide rod 701 movably penetrates through the side wall of the filter cake collecting box 4 through a guide hole and is connected with a limiting piece 702, and the outer side of the guide rod 701 is sleeved with a spring 703;
The pressing plate 7 can generate supporting force for the circulating filter belt 101, so that a certain pressure can be kept between the circulating filter belt 101 and the first scraping plate 5, and the filter cake can be scraped.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured" and the like are to be construed broadly, as they are, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, directly connected, indirectly connected through intermediaries, or in communication between two elements or in interaction with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the invention is mainly used for protecting a mechanical device, so the invention does not explain the control mode and circuit connection in detail.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The vacuum belt filter for synthesizing thiophanate-methyl comprises a driving frame (1), a circulating filter belt (101) and a liquid storage tank (2), and is characterized in that the circulating filter belt (101) is arranged on the driving frame (1), the driving frame (1) drives the circulating filter belt (101) to move circularly, a vacuum suction box is arranged in the circulating filter belt (101), the liquid storage tank (2) is communicated with the vacuum suction box through a liquid inlet pipe (201), the vacuum suction box is maintained in a low-pressure state through a vacuum pump, the liquid storage tank (2) is connected with a liquid pump (203) through a liquid outlet pipe (202) to convey liquid away, one end of the circulating filter belt (101) is a feeding area (102), the other end of the circulating filter belt is a discharging area (103), and a filter cake collecting box (4) is arranged on one side, close to the discharging area (103), of the circulating filter belt (101);
a filter cake scraping mechanism and a filter cake discharging mechanism are arranged in the filter cake collecting box (4);
a washing spray head (104) is arranged on one side, close to the filter cake collecting box (4), above the driving frame (1);
The filter cake scraping mechanism comprises a first scraping plate (5), wherein the filter cake collecting box (4) is of an open design, a horizontal sliding rail (503) is arranged on the inner wall of the filter cake collecting box (4), the first scraping plate (5) is slidably arranged on the horizontal sliding rail (503) through a sliding block (502) and can horizontally move in the filter cake collecting box (4), and the circulating filter belt (101) movably passes through the filter cake collecting box (4);
four first scrapers (5) are arranged, the four first scrapers (5) are distributed at equal intervals from top to bottom, four second scrapers (501) are fixed on the inner wall of the filter cake collecting box (4), the second scrapers (501) are in one-to-one correspondence with the first scrapers (5), and the bottom ends of the second scrapers (501) are in surface contact with the top ends of the first scrapers (5).
2. A vacuum belt filter for synthesizing thiophanate-methyl, as claimed in claim 1, wherein a scraper driving mechanism is arranged on the filter cake collecting box (4), the scraper driving mechanism comprises a first rack (601), a second rack (602), a third rack (603) and a fourth rack (604), the scraper driving mechanism is sequentially and correspondingly fixed with four first scrapers (5), a first transmission gear (606) is arranged between the first rack (601) and the second rack (602), and a second transmission gear (607) is arranged between the third rack (603) and the fourth rack (604).
3. A vacuum belt filter for synthesizing thiophanate-methyl according to claim 2, wherein the first rack (601) and the second rack (602) are both meshed with a first transmission gear (606), and the third rack (603) and the fourth rack (604) are both meshed with a second transmission gear (607).
4. A vacuum belt filter for synthesizing thiophanate-methyl according to claim 3, wherein a driving bar (608) is fixed between the second rack (602) and the fourth rack (604), a reciprocating screw rod (609) is rotatably mounted on the outer wall of the filter cake collecting box (4), the reciprocating screw rod (609) penetrates through the driving bar (608) through a threaded hole, and the reciprocating screw rod (609) is driven to rotate through a first rotary motor (610).
5. A vacuum belt filter for synthesizing thiophanate-methyl according to claim 4, wherein a scraper flushing mechanism is arranged in the filter cake collecting box (4), the scraper flushing mechanism comprises a cleaning liquid introducing pipe (8), a plurality of cleaning spray heads (801) are connected to the cleaning liquid introducing pipe (8), and the cleaning spray heads (801) are in one-to-one correspondence with the first scrapers (5).
6. A vacuum belt filter for synthesizing thiophanate-methyl according to claim 1, wherein said cake discharge mechanism comprises a discharge screw (402), said discharge screw (402) being rotatably mounted inside a cake collection tank (4) at a position near the bottom end,
The discharge screw (402) is driven to rotate through a second rotating motor (403), a discharge port (401) is formed in one side of the filter cake collecting box (4), and the discharge screw (402) extends to the outside of the filter cake collecting box (4) through the discharge port (401).
7. A vacuum belt filter for synthesizing thiophanate-methyl according to claim 1, wherein a pressing plate (7) is elastically installed inside the filter cake collecting box (4), and the pressing plate (7) is arranged in parallel with the circulating filter belt (101).
8. A vacuum belt filter for synthesizing thiophanate-methyl according to claim 7, wherein a guide rod (701) is arranged on one side of the pressing plate (7) far away from the first scraping plate (5), the guide rod (701) movably penetrates through the side wall of the filter cake collecting box (4) through a guide hole and is connected with a limiting piece (702), and a spring (703) is sleeved on the outer side of the guide rod (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411487321.9A CN119524509B (en) | 2024-10-24 | 2024-10-24 | A vacuum belt filter for the synthesis of methyl thiophanate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411487321.9A CN119524509B (en) | 2024-10-24 | 2024-10-24 | A vacuum belt filter for the synthesis of methyl thiophanate |
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| Publication Number | Publication Date |
|---|---|
| CN119524509A CN119524509A (en) | 2025-02-28 |
| CN119524509B true CN119524509B (en) | 2025-11-14 |
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| CN202411487321.9A Active CN119524509B (en) | 2024-10-24 | 2024-10-24 | A vacuum belt filter for the synthesis of methyl thiophanate |
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| CN117323740A (en) * | 2023-10-31 | 2024-01-02 | 微山县誉湖渔业有限公司 | Filtering device for aquaculture water circulation |
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| US7029579B2 (en) * | 2002-12-26 | 2006-04-18 | Tapp Floyd G | System for solid-liquid separation |
| CN115779537A (en) * | 2021-09-10 | 2023-03-14 | 广东清境世嘉环境技术有限公司 | Scraper type sludge distribution separation device for sludge dewatering treatment system |
| IT202100033068A1 (en) * | 2021-12-30 | 2023-06-30 | Siderurgica Del Polesine S R L | DEVICE FOR FILTRATION OF A LIQUID |
| CN116474444A (en) * | 2022-01-14 | 2023-07-25 | 中国石油化工股份有限公司 | Vacuum belt washing device and washing method for porous materials |
| CN118526857B (en) * | 2024-07-19 | 2024-12-10 | 烟台泰核环保设备科技有限公司 | A vacuum belt dehydrator scraper adjustment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116078027A (en) * | 2023-01-08 | 2023-05-09 | 江西核威环保科技有限公司 | Fixed chamber belt vacuum filter |
| CN117323740A (en) * | 2023-10-31 | 2024-01-02 | 微山县誉湖渔业有限公司 | Filtering device for aquaculture water circulation |
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