Self-cleaning type kettle outlet filter for production of DOTP environment-friendly plasticizer

Abstract

The utility model discloses a self-cleaning type kettle outlet filter for DOTP (dioctyl terephthalate) environment-friendly plasticizer production, which belongs to the technical field of filters and comprises a casing, a filter screen is rotatably mounted in the casing, the filter screen is rotatably connected in the casing, a rotating shaft is rotatably mounted at the bottom of the casing, a cleaning mechanism is connected to the top end of the rotating shaft, and the cleaning mechanism is connected to the top end of the rotating shaft. The bottom end of the rotating shaft is connected with a driving mechanism, and an air pump and a water pump are arranged on the two sides of the machine shell correspondingly. The sweeping mechanism comprises two discs and a plurality of sweeping arms, a plurality of connecting columns are fixedly connected between the two discs, and the sweeping arms are rotationally connected to the outer sides of the corresponding connecting columns in a sleeving mode. According to the utility model, the driving mechanism and the sweeping mechanism are matched to scrape and sweep filter residues in the filtering process, so that the blockage in the filtering process is avoided, and the air pump is arranged to realize automatic cleaning after the filtering is completed, so that the interruption of the filtering work is avoided, and the filtering efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer. Background Art

[0002] As a commonly used environmentally friendly plasticizer, DOTP is widely used in plastic products to increase their flexibility and processability. In the production process of DOTP, raw materials and intermediates need to react under high temperature and high pressure, and the resulting mixture needs to be finely filtered to remove impurities and by-products to ensure the quality of the final product.

[0003] Traditional filters mostly use mechanical screens or filter cloths for physical interception, which are prone to clogging and require manual cleaning of the filter residue, which will lead to reduced filtering effect and production interruption, reducing filtering efficiency; therefore, we propose a self-cleaning kettle filter for DOTP environmentally friendly plasticizer production to solve this problem. Utility Model Content

[0004] The purpose of the utility model is to provide a self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer comprises: a housing, a filter screen is rotatably installed in the housing, and the filter screen is rotatably connected inside the housing, and a rotating shaft is rotatably installed at the bottom of the housing, a cleaning mechanism is connected to the top of the rotating shaft, and a driving mechanism is connected to the bottom of the rotating shaft, and an air pump and a water pump are respectively arranged on both sides of the housing;

[0007] The cleaning mechanism includes two discs and multiple cleaning arms, multiple connecting columns are fixedly connected between the two discs, the cleaning arms are rotatably sleeved on the outer sides of the corresponding connecting columns, and multiple cross plates are fixedly connected to the outer sides of the discs, a square frame is slidably sleeved on the outer sides of the cross plates, a round rod is fixedly connected to the side of the square frame close to the cleaning arm, a guide hole is opened on the top of the cleaning arm, the round rod is movably inserted in the corresponding guide hole, the disc located below is fixedly connected to the top end of the rotating shaft, the connecting column is fixedly inserted in the filter net, and a counterweight plate is fixedly installed on the outer side of the square frame.

[0008] Preferably, the driving mechanism comprises a driving gear, a driven gear and a driving motor, the driving motor is fixedly mounted at the bottom of the housing, and a rotating arm is fixedly connected to the output shaft of the driving motor, the other end of the rotating arm is rotatably connected to a linkage rod, the other end of the linkage rod is rotatably connected to one side of the bottom of the driving gear, and the driving gear is meshed with the driven gear, and the driven gear is fixedly connected to the bottom end of the rotating shaft;

[0009] A fixed shaft is fixedly installed at the bottom of the housing, the driving gear is rotatably sleeved on the outer side of the fixed shaft, and the number of teeth of the driving gear is much greater than the number of teeth of the driven gear.

[0010] Preferably, one end of the horizontal plate away from the disc is fixedly connected to a square plate, the square plate is slidably connected in the corresponding square frame, and one side of the square plate is fixedly connected to a compression spring, the other end of the compression spring is fixedly connected to the inner wall of the corresponding square frame.

[0011] Preferably, it also includes a fixed frame, the front and rear sides of the casing are fixedly connected with mounting shafts, the mounting shafts are rotatably connected in the fixed frame, and a driven bevel gear is fixedly installed on the mounting shaft located on the front side, a rotating motor is fixedly installed on the front side of the fixed frame, a driving bevel gear is fixedly installed on the output shaft of the rotating motor, and the driving bevel gear is meshed with the driven bevel gear.

[0012] Preferably, the water outlet of the water pump is connected to a water outlet cylinder, the bottom of the water outlet cylinder is connected to a plurality of water outlet nozzles, the air outlet of the air pump is connected to an air cylinder, the top of the air cylinder is connected to a plurality of air nozzles.

[0013] Preferably, a top cover is provided at the inner top of the casing, the middle portion of the top cover is recessed downward, a feed hole is provided at the middle portion of the top cover, and a slag discharge hole is provided at the top outer edge of the top cover.

[0014] Preferably, the bottom of the casing is connected to a discharge pipe, and a control valve is provided on the discharge pipe.

[0015] Preferably, two conical rings are fixedly installed in the casing, and the two conical rings are movably abutted against the top and bottom of the filter screen respectively.

[0016] In the utility model, the self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer is provided. The raw materials are placed on the top cover, so that the raw materials enter the casing along the feed hole and are filtered through the filter screen. The rotating arm is driven to rotate by starting the driving motor, and the rotating arm drives the driving gear to reciprocate through the linkage rod, so that the driving gear drives the rotating shaft to accelerate the reciprocating rotation through the meshing with the driven gear, and the rotating shaft drives the disc, the connecting column and the filter screen to reciprocate, so that the filter residue on the surface is thrown off by centrifugal force, and the water is introduced into the water outlet cylinder and sprayed from the water outlet nozzle by starting the water pump to wash the filter residue, so as to achieve the surface The residual raw materials can be further filtered and the filter residue can be dispersed to avoid clogging. When the disc rotates, it drives the horizontal plate, square plate, square frame and counterweight plate to perform circular motion. The counterweight plate is thrown outward under the action of centrifugal force and compresses the compression spring. When the disc reciprocates, the rotation speed will experience a cycle of acceleration and deceleration, so that the centrifugal force of the counterweight plate increases and decreases cyclically, thereby driving the round rod to reciprocate relative to the disc. The round rod drives the cleaning arm to reciprocate around the connecting column through the cooperation with the guide hole, thereby scraping the top and bottom of the filter screen to avoid clogging of the filter residue, and the filtered raw materials are discharged by starting the control valve;

[0017] In the utility model, the DOTP environmentally friendly plasticizer production self-cleaning kettle filter is driven by the rotating motor to rotate the active bevel gear, and the active bevel gear drives the mounting shaft and the housing to rotate counterclockwise between 90 degrees and 180 degrees through the meshing with the driven bevel gear, so that the filter residue in the housing is discharged from the slag discharge hole on the outside of the top cover, and the air pump is started to spray gas through the air cylinder and the air outlet nozzle, so that the filter residue in the filter screen is blown out to achieve automatic cleaning;

[0018] The utility model has a reasonable structural design. Through the cooperation of the set driving mechanism and the cleaning mechanism, the filter residue can be scraped and swept during the filtering process to avoid blockage during the filtering process. The set air pump can realize automatic cleaning after the filtering is completed to avoid interruption of the filtering work and improve the filtering efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer proposed by the utility model;

[0020] Figure 2 It is a three-dimensional structural diagram from another perspective of the self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer proposed in the utility model;

[0021] Figure 3 This is a three-dimensional structural schematic diagram of the driving mechanism proposed by the utility model;

[0022] Figure 4It is a cross-sectional structural schematic diagram of the self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer proposed by the utility model;

[0023] Figure 5 This is a three-dimensional structural schematic diagram of the cleaning mechanism proposed by the utility model;

[0024] Figure 6 This is a schematic cross-sectional view of the cleaning mechanism proposed in the utility model;

[0025] Figure 7 It is a top view and cross-sectional structure schematic diagram of the self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer proposed in the utility model;

[0026] Figure 8 for Figure 7 A partial enlarged view of the .

[0027] In the figure: 1. casing; 2. fixing frame; 3. top cover; 4. driving mechanism; 401. driving motor; 402. rotating arm; 403. linkage rod; 404. driving gear; 405. driven gear; 5. rotating shaft; 6. cleaning mechanism; 601. disc; 602. cleaning arm; 6021. guide hole; 603. horizontal plate; 604. square frame; 605. counterweight plate; 606. connecting column; 607. square plate; 608. compression spring; 609. round rod; 7. filter screen; 8. water pump; 801. water outlet cylinder; 9. air pump; 901. air cylinder; 10. mounting shaft; 11. driven bevel gear; 12. driving bevel gear; 13. rotating motor; 14. discharge pipe. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Reference Figure 1-8 , a self-cleaning kettle filter for producing DOTP environmentally friendly plasticizers, comprising: a housing 1, a filter screen 7 is rotatably installed in the housing 1, and the filter screen 7 is rotatably connected to the inside of the housing 1, and a rotating shaft 5 is rotatably installed at the bottom of the housing 1, a cleaning mechanism 6 is connected to the top of the rotating shaft 5, and a driving mechanism 4 is connected to the bottom of the rotating shaft 5, and an air pump 9 and a water pump 8 are respectively arranged on both sides of the housing 1;

[0030] The cleaning mechanism 6 includes two discs 601 and multiple cleaning arms 602. Multiple connecting columns 606 are fixedly connected between the two discs 601. The cleaning arms 602 are rotatably sleeved on the outer sides of the corresponding connecting columns 606, and multiple cross plates 603 are fixedly connected to the outer sides of the discs 601. A square frame 604 is slidably sleeved on the outer sides of the cross plates 603. A round rod 609 is fixedly connected to the side of the square frame 604 close to the cleaning arm 602. A guide hole 6021 is opened on the top of the cleaning arm 602, and the round rod 609 is movably inserted in the corresponding guide hole 6021. The disc 601 located below is fixedly connected to the top of the rotating shaft 5, the connecting column 606 is fixedly inserted in the filter screen 7, and a counterweight plate 605 is fixedly installed on the outer side of the square frame 604.

[0031] In this embodiment, the driving mechanism 4 includes a driving gear 404, a driven gear 405 and a driving motor 401. The driving motor 401 is fixedly mounted at the bottom of the housing 1, and a rotating arm 402 is fixedly connected to the output shaft of the driving motor 401. The other end of the rotating arm 402 is rotatably connected to a linkage rod 403. The other end of the linkage rod 403 is rotatably connected to one side of the bottom of the driving gear 404, and the driving gear 404 is meshed with the driven gear 405. The driven gear 405 is fixedly connected to the bottom end of the rotating shaft 5.

[0032] A fixed shaft is fixedly installed at the bottom of the housing 1 , and the driving gear 404 is rotatably sleeved on the outer side of the fixed shaft, and the number of teeth of the driving gear 404 is much greater than the number of teeth of the driven gear 405 .

[0033] In this embodiment, one end of the horizontal plate 603 away from the disc 601 is fixedly connected to a square plate 607, and the square plate 607 is slidably connected in the corresponding square frame 604, and one side of the square plate 607 is fixedly connected to a compression spring 608, and the other end of the compression spring 608 is fixedly connected to the inner wall of the corresponding square frame 604.

[0034] In this embodiment, a fixing frame 2 is further included. The front and rear sides of the casing 1 are fixedly connected with mounting shafts 10. The mounting shafts 10 are rotatably connected in the fixing frame 2, and a driven bevel gear 11 is fixedly installed on the mounting shaft 10 located on the front side. A rotating motor 13 is fixedly installed on the front side of the fixing frame 2. A driving bevel gear 12 is fixedly installed on the output shaft of the rotating motor 13. The driving bevel gear 12 is meshed with the driven bevel gear 11.

[0035] In this embodiment, the water outlet of the water pump 8 is connected to a water outlet cylinder 801, and the bottom of the water outlet cylinder 801 is connected to multiple water outlet nozzles. The air outlet of the air pump 9 is connected to an air cylinder 901, and the top of the air cylinder 901 is connected to multiple air nozzles. A top cover 3 is opened on the top of the inner side of the casing 1, the middle part of the top cover 3 is recessed downward, and a feed hole is opened in the middle part of the top cover 3, and a slag discharge hole is opened on the top outer edge of the top cover 3 to facilitate the discharge of the filter residue.

[0036] In this embodiment, the bottom of the casing 1 is connected to a discharge pipe 14, and a control valve is provided on the discharge pipe 14 to facilitate the discharge of materials. Two conical rings are fixedly installed in the casing 1, and the two conical rings are movably abutted against the top and bottom of the filter screen 7 respectively to limit the filter screen 7.

[0037] In this embodiment, when in use, by putting the raw material on the top cover 3, the raw material enters the casing 1 along the feed hole and is filtered through the filter screen 7, the driving motor 401 is started to drive the rotating arm 402 to rotate, and the rotating arm 402 drives the driving gear 404 to reciprocate through the linkage rod 403, so that the driving gear 404 drives the rotating shaft 5 to accelerate the reciprocating rotation through the meshing with the driven gear 405, and the rotating shaft 5 drives the disc 601, the connecting column 606 and the filter screen 7 to reciprocate, so that the filter residue on the surface is thrown away by centrifugal force, and by starting the water pump 8, water is introduced into the water outlet cylinder 801 and sprayed from the water outlet nozzle to wash the filter residue, so as to further filter the residual raw material on the surface, and the filter residue can be dispersed to avoid clogging, and the rotation of the disc 601 drives the horizontal plate 603, the square plate 607, the square frame 604 and the counterweight plate 605 to perform circular motion, and the counterweight plate 605 is thrown outward under the action of centrifugal force and The compression spring 608 is compressed, and when the disc 601 reciprocates, the rotation speed will experience a cycle of acceleration and deceleration, so that the centrifugal force of the counterweight plate 605 increases and decreases cyclically, thereby driving the round rod 609 to reciprocate relative to the disc 601. The round rod 609 drives the cleaning arm 602 to reciprocate around the connecting column 606 through cooperation with the guide hole 6021, thereby scraping the top and bottom of the filter screen 7 to avoid clogging of the filter residue, and the filtered raw materials are discharged by starting the control valve, and the active bevel gear 12 is driven to rotate by starting the rotating motor 13. The active bevel gear 12 drives the mounting shaft 10 and the casing 1 to rotate counterclockwise between 90 degrees and 180 degrees through engagement with the driven bevel gear 11, thereby discharging the filter residue in the casing 1 from the slag discharge hole on the outside of the top cover 3, and starting the air pump 9 to spray gas through the air cylinder 901 and the air outlet nozzle, thereby blowing out the filter residue in the filter screen 7 to achieve automatic cleaning.

[0038] The above is a detailed introduction to the self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. DOTP environmentally friendly plasticizer production self-cleaning kettle filter, characterized by: include: A casing (1), wherein a filter screen (7) is rotatably mounted inside the casing (1), and the filter screen (7) is rotatably connected to the inside of the casing (1), and a rotating shaft (5) is rotatably mounted at the bottom of the casing (1), a cleaning mechanism (6) is connected to the top end of the rotating shaft (5), and a driving mechanism (4) is connected to the bottom end of the rotating shaft (5), and an air pump (9) and a water pump (8) are respectively arranged on both sides of the casing (1); The cleaning mechanism (6) comprises two discs (601) and a plurality of cleaning arms (602), a plurality of connecting posts (606) being fixedly connected between the two discs (601), the cleaning arms (602) being rotatably sleeved on the outer sides of the corresponding connecting posts (606), and a plurality of transverse plates (603) being fixedly connected on the outer sides of the discs (601), a square frame (604) being slidably sleeved on the outer sides of the transverse plates (603), and the square frame (604) being close to the cleaning arm. A round rod (609) is fixedly connected to one side of the sweeping arm (602); a guide hole (6021) is provided at the top of the sweeping arm (602); the round rod (609) is movably inserted into the corresponding guide hole (6021); a disc (601) located below is fixedly connected to the top of the rotating shaft (5); a connecting column (606) is fixedly inserted into the filter screen (7); and a counterweight plate (605) is fixedly installed on the outer side of the square frame (604).

2. The self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer according to claim 1, characterized in that: The driving mechanism (4) comprises a driving gear (404), a driven gear (405) and a driving motor (401); the driving motor (401) is fixedly mounted on the bottom of the housing (1); a rotating arm (402) is fixedly connected to the output shaft of the driving motor (401); the other end of the rotating arm (402) is rotatably connected to a linkage rod (403); the other end of the linkage rod (403) is rotatably connected to one side of the bottom of the driving gear (404); the driving gear (404) is meshed with the driven gear (405); and the driven gear (405) is fixedly connected to the bottom end of the rotating shaft (5); A fixed shaft is fixedly mounted on the bottom of the housing (1), the driving gear (404) is rotatably sleeved on the outside of the fixed shaft, and the number of teeth of the driving gear (404) is much greater than the number of teeth of the driven gear (405).

3. The self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer according to claim 1, characterized in that: One end of the horizontal plate (603) away from the disc (601) is fixedly connected to a square plate (607), and the square plate (607) is slidably connected in the corresponding square frame (604). One side of the square plate (607) is fixedly connected to a compression spring (608), and the other end of the compression spring (608) is fixedly connected to the inner wall of the corresponding square frame (604).

4. The self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer according to claim 1, characterized in that: The machine also comprises a fixing frame (2), the front and rear sides of the housing (1) are fixedly connected to mounting shafts (10), the mounting shafts (10) are rotatably connected in the fixing frame (2), and a driven bevel gear (11) is fixedly mounted on the mounting shaft (10) located at the front side, a rotating motor (13) is fixedly mounted on the front side of the fixing frame (2), a driving bevel gear (12) is fixedly mounted on the output shaft of the rotating motor (13), and the driving bevel gear (12) is meshed with the driven bevel gear (11).

5. The self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer according to claim 1, characterized in that: The water outlet of the water pump (8) is connected to a water outlet cylinder (801), and the bottom of the water outlet cylinder (801) is connected to a plurality of water outlet nozzles. The air outlet of the air pump (9) is connected to an air cylinder (901), and the top of the air cylinder (901) is connected to a plurality of air nozzles.

6. The self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer according to claim 1, characterized in that: A top cover (3) is provided at the inner top of the casing (1), the middle of the top cover (3) is recessed downwards, a feed hole is provided at the middle of the top cover (3), and a slag discharge hole is provided at the top outer edge of the top cover (3).

7. The self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer according to claim 1, characterized in that: The bottom of the casing (1) is connected to a discharge pipe (14), and a control valve is provided on the discharge pipe (14).

8. The self-cleaning kettle filter for producing DOTP environmentally friendly plasticizer according to claim 1, characterized in that: Two conical rings are fixedly mounted in the casing (1), and the two conical rings are movably abutted against the top and bottom of the filter screen (7) respectively.

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