Centrifugal dewatering device for magnesium sulfate heptahydrate production

Abstract

The utility model relates to the technical field of chemical equipment, in particular to a centrifugal dewatering device for producing magnesium sulfate heptahydrate. The technical problem to be solved by the utility model is to provide a centrifugal dewatering device with a cleaning function. According to the technical scheme, the centrifugal dewatering device for producing magnesium sulfate heptahydrate comprises a bottom plate and the like; the bottom frame is fixedly connected to the top end of the bottom plate, the upper frame is slidably connected to the top end of the bottom frame, the four long air cylinders are symmetrically and fixedly connected to the left side and the right side of the bottom frame, telescopic rods of the long air cylinders are fixedly connected with the upper frame, the rotating drum is rotatably connected to the bottom of the inner wall of the bottom frame, the symmetrical large motors are fixedly connected to the front side and the rear side of the bottom plate, and the threaded rods are fixedly connected to the upper ends of the large motors. After the dewatering device runs for a period of time, in order to ensure that impurities are not accumulated in holes of the screen on the rotary drum, vibration and noise are reduced through a cleaning function, the product quality is maintained, and the product separation efficiency is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of chemical equipment technical field, especially a kind of centrifugal dewatering device for magnesium sulfate heptahydrate production. BACKGROUND

[0002] Magnesium sulfate heptahydrate is a kind of more common inorganic compound, he is mainly used for fertilizer, food additive, pharmaceutical product, water treatment agent and several purposes, his production process can be roughly divided into: raw material preparation, neutralization reaction, filtration, crystallization, separation and drying, centrifuge is needed in the last step in the above process, to realize the dehydration of magnesium sulfate heptahydrate.

[0003] Because of the characteristics of magnesium sulfate heptahydrate, solid magnesium sulfate heptahydrate and impurities will be left on the centrifuge screen when using centrifugal device to dehydrate, and cause blockage, which will cause the resistance of screen operation, and cause the serious reduction of separation efficiency, eventually cause the serious decline of product quality, and also accompanied by the serious loss of maintenance cost.

[0004] In order to solve the above technical problems, a centrifugal dewatering device with cleaning function is designed. CONTENT OF THE UTILITY MODEL

[0005] In order to overcome the shortcoming that centrifuge screen is easy to block, the technical problem of the utility model is to provide a centrifugal dewatering device with cleaning function.

[0006] The technical implementation scheme of the utility model is: a centrifugal dewatering device for magnesium sulfate heptahydrate production, including bottom plate, bottom plate is placed on floor, bottom plate top end is fixedly connected with bottom frame, bottom frame is slidably connected with upper frame away from bottom plate side, four long air cylinders are symmetrically fixedly connected with bottom frame away from bottom plate side, long air cylinder is fixedly connected with upper frame away from bottom plate side, bottom frame is rotatably connected with rotary drum away from bottom plate side, bottom plate is fixedly connected with symmetry big motor near bottom frame side, big motor is fixedly connected with threaded rod away from bottom plate side, threaded rod is threadedly connected with spray pipe, spray pipe inner wall is fixedly connected with nozzle uniformly in circumferential direction, spray pipe and nozzle are mutually penetrated, nozzle is rotatably connected with roller away from bottom plate side, spray pipe is fixedly connected with connecting pipe near bottom plate side, spray pipe and connecting pipe are mutually penetrated, connecting pipe passes through bottom frame, bottom plate is fixedly connected with fan near bottom frame side, fan is fixedly connected with connecting pipe away from bottom plate side, connecting pipe and fan are mutually penetrated.

[0007] Optionally, the material of connecting pipe is rubber, so that connecting pipe can move up and down with spray pipe.

[0008] Optionally, a movable cover is further included, which is slidingly connected to the rotary drum on the side away from the base plate, and symmetrically rotating plates are rotatably connected to the movable cover on the side close to the base plate, a small motor is fixedly connected to the movable cover on the side away from the base plate, a belt pulley assembly is connected between the small motor and the rotating plates, and a telescopic air cylinder is fixedly connected to the movable cover on the side close to the base plate and is fixedly connected to the upper end of the base plate.

[0009] Optionally, a sealing rubber ring is arranged at the connection between the movable cover and the rotary drum to ensure the sealing property of the connection.

[0010] Optionally, a large circular hole is arranged at the center of the base plate to ensure that the sundries can flow out of the base plate.

[0011] Optionally, a connecting plate is further included, which is fixedly connected to the spray pipe on the side away from the base plate, and symmetrically arranged brushes are fixedly connected to the upper and lower ends of the connecting plate (16).

[0012] Beneficial effects: when the dehydration device has been operated for a period of time, in order to ensure that the holes of the screen on the rotary drum are not filled with sundries, other ways are needed to clean the screen on the rotary drum, the spray pipe is moved up and down, and the surging airflow is used to achieve a more perfect cleaning of the holes on the rotary drum, and when the airflow is sprayed from the spray head, the roller will start to rotate due to the special hole structure of the roller and the air pressure, and the airflow at the spray head will be intermittently stopped due to the rotation of the roller, so that the special movement state of the high-pressure airflow can achieve a more rapid impact on the rotary drum to ensure that the attached sundries on the screen of the rotary drum are quickly cleaned and removed.

[0013] In order to ensure that the connecting pipe can move up and down together with the spray pipe, the material of the connecting pipe is set to be rubber, so that the connecting pipe can be used for a long time.

[0014] When the sundries are cleaned from the rotary drum, in order to ensure that the sundries can be smoothly discharged from the rotary drum, when the small motor is started, the rotating plates are simultaneously rotated, the rotating plates are finally attached to the bottom of the rotary drum, the sundries on the bottom of the rotary drum are scraped off by the rotating plates, and the sundries are guided to the holes of the rotary drum by the inclined rotating plates to facilitate the rapid cleaning of the sundries and avoid the complex operation of the user.

[0015] In order to ensure the sealing property of the movable cover and the rotary drum, a rubber ring is arranged at the lower end of the movable cover, so that there is no gap between the movable cover and the rotary drum to ensure that the rotary drum does not leak liquid.

[0016] In order to ensure the cleanliness of the device, holes are arranged on the base plate to ensure that the sundries can be smoothly discharged from the base plate.

[0017] When the spray pipe moves up and down, in order to supplement the cleaning effect, we fixed the connecting plate and brush on the spray pipe, and through the brush, the sundries remaining on the drum are completely removed, and in order to ensure the cleaning effect, the bristles on the brush are set to be small and soft, so as to ensure that there is no residue on the drum. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0019] Figure 2 It is a three-dimensional structure schematic view of the utility model bottom plate, bottom frame, upper frame and other components.

[0020] Figure 3 It is a three-dimensional structure schematic view of the utility model spray pipe, large motor, fan and other components.

[0021] Figure 4 It is a three-dimensional structure schematic view of the utility model spray pipe, spray head, roller and other components.

[0022] Figure 5 It is a three-dimensional structure schematic view of the utility model moving cover, rotating plate, small motor and other components.

[0023] Figure 6 It is a three-dimensional structure schematic view of the utility model rotating plate, small motor, pulley assembly and other components.

[0024] Figure 7 It is a three-dimensional structure schematic view of the utility model fan, connecting pipe, connecting plate and other components.

[0025] Figure 8 It is a three-dimensional structure schematic view of the utility model connecting plate, spray pipe, brush and other components.

[0026] In the figure, 1 is a bottom plate, 2 is a bottom frame, 3 is an upper frame, 4 is a long cylinder, 5 is a drum, 6 is a spray pipe, 601 is a spray head, 602 is a roller, 7 is a large motor, 8 is a threaded rod, 9 is a fan, 10 is a connecting pipe, 11 is a moving cover, 12 is a rotating plate, 13 is a small motor, 14 is a pulley assembly, 15 is an extension cylinder, 16 is a connecting plate, and 17 is a brush. DETAILED DESCRIPTION

[0027] The utility model is described in detail below in combination with the drawings and specific embodiments, but not as the limitation of the utility model.

[0028] Example 1: A centrifugal dewatering device for magnesium sulfate heptahydrate production, such as Figures 1-4As shown, including the base plate 1, the base plate 1 placed on the floor, the base plate 1 top fixed with the bottom frame 2, the bottom frame 2 top sliding connection with the upper frame 3, the bottom frame 2 left and right two sides of the symmetry of the four long cylinder 4, the long cylinder 4 telescopic rod with the upper frame 3 fixed, the bottom frame 2 inner wall bottom rotatingly connected with the rotating drum 5, the bottom plate 1 front and rear sides of the symmetry of the large motor 7, the large motor 7 upper end fixed with the threaded rod 8, the threaded rod 8 on the threaded connection with the nozzle 6, the nozzle 6 inner wall circumferentially uniformly fixed with the spray head 601, the nozzle 6 and the spray head 601 each other through, the spray head 601 front end rotatably connected with the roller 602, the nozzle 6 front lower side fixed with the connecting pipe 10, the nozzle 6 and the connecting pipe 10 each other through, the connecting pipe 10 through the bottom frame 2, the bottom plate 1 top front side fixed with the fan 9, the fan 9 top fixed with the connecting pipe 10, the connecting pipe 10 and the fan 9 each other through.

[0029] After the completion of dehydration, first start the large motor 7, the large motor 7 with the threaded rod 8 clockwise rotation, threaded connection on the threaded rod 8 on the nozzle 6, is moved upward, when the nozzle 6 moves to the vertex, in the downward movement, and repeat the process, in the large motor 7 start, the fan 9 also start at the same time, the air from the connecting pipe 10 into the nozzle 6, finally the airflow from the spray head 601, when the airflow from the spray head 601, because of the special shape of the roller 602, when the air flow, because of the influence of air pressure, cause the rotation of the roller 602, when the roller 602 rotates, the airflow will show intermittent flow state, when the nozzle 6 operation several cycles, stop running the large motor 7, while the fan 9 also stop running.

[0030] Example 2: based on example 1, as shown in Figure 3 The connecting pipe 10 is made of rubber, so that the connecting pipe 10 can move up and down with the nozzle 6.

[0031] When the nozzle 6 moves up and down, in order to ensure that the airflow can flow smoothly into the nozzle 6, we will connecting pipe 10 material setting as rubber material, to ensure that the connecting pipe 10 can be normal expansion and contraction.

[0032] As shown in Figure 5 And Figure 6 It also includes a moving cover 11, the moving cover 11 slidingly connected in the inner wall of the rotating drum 5 bottom, the moving cover 11 first end front and rear sides of the symmetry of the rotating plate 12 rotatably connected, the moving cover 11 bottom inner wall fixed with the small motor 13, the small motor 13 and the rotating plate 12 upper end interval has a belt pulley assembly 14, the moving cover 11 lower wall fixed with the telescopic cylinder 15, the telescopic cylinder 15 lower end fixed on the bottom plate 1 upper end.

[0033] When the air flow is cleaned up the screen on the drum 5, first start telescopic cylinder 15, and make telescopic cylinder 15 with the moving cover 11 to move up, and the drum 5 is separated from each other, and then start the small motor 13 clockwise rotation, and through the pulley assembly 14 connected on the small motor 13, drive the symmetrical connection of the rotating plate 12, rotate 60 degrees to the front and back two sides, make the rotating plate 12 and the drum 5 with each other, when the cleaning is completed, the small motor 13 counterclockwise rotation, with the rotating plate 12 counterclockwise rotation 60 degrees, back to the original position, finally telescopic cylinder 15 contraction, with the moving cover 11 reattach the drum 5.

[0034] As shown in Figure 6 The moving cover 11 and the connection of the drum 5 is provided with a sealed rubber ring, to ensure the sealing of the moving cover 11 and the drum 5 connection.

[0035] In order to ensure the sealing of the moving cover 11, we set up a sealing rubber ring at the lower end of the moving cover 11, to ensure that the centrifugal device does not appear leakage when running.

[0036] As shown in Figure 2 In order to ensure that the bottom plate 1 can smoothly discharge sundries, we open a large circular hole in the center of the bottom plate 1, to ensure that the sundries can flow out of the bottom plate 1.

[0037] In order to ensure that the bottom plate 1 can normally, smoothly discharge sundries, we open a hole on the bottom plate 1.

[0038] As shown in Figure 7 And Figure 8 It also includes the connecting plate 16, the connecting plate 16 is fixedly connected on the both sides of the spray pipe 6, and the symmetric brush 17 is fixedly connected on the upper and lower ends of the connecting plate 16.

[0039] When the spray pipe 6 moves up and down, the connecting plate 16 and the brush 17 will also move up and down with the spray pipe 6, in order to ensure that the brush 17 can normally clean the drum 5, the bristles of the brush 17 are soft and small in diameter, to ensure that the brush 17 can clean the holes on the drum 5.

[0040] Although the utility model is described in detail with reference to the above examples, it is obvious to those skilled in the art through the disclosure, and various changes or modifications can be made to the utility model without departing from the principles and spirit of the utility model defined in the claims. Therefore, the detailed description of the embodiment of the disclosure is only used to explain, but not to limit the utility model, and the protection range is defined by the content of the claims.

Claims

1. A centrifugal dewatering device for producing magnesium sulfate heptahydrate, characterized by: Including the bottom plate (1), the bottom plate (1) is placed on the floor, the top end of the bottom plate (1) is fixedly connected with the bottom frame (2), the bottom frame (2) is slidably connected with the upper frame (3) away from the bottom plate (1) side, the bottom frame (2) is symmetrically fixedly connected with four long air cylinders (4) away from the bottom plate (1) side, the long air cylinder (4) is fixedly connected with the upper frame (3) away from the bottom plate (1) side, the bottom frame (2) is rotatably connected with the rotating drum (5) away from the bottom plate (1) side, the bottom plate (1) is fixedly connected with the symmetric large motor (7) close to the bottom frame (2) side, the large motor (7) is fixedly connected with the threaded rod (8) away from the bottom plate (1) side, the threaded rod (8) is threadedly connected with the spray pipe (6), the spray pipe (6) is fixedly connected with the nozzle (601) on the inner wall circumferentially, the spray pipe (6) and the nozzle (601) are mutually penetrated, the nozzle (601) is rotatably connected with the roller (602) away from the bottom plate (1) side, the spray pipe (6) is fixedly connected with the connecting pipe (10) close to the bottom plate (1) side, the spray pipe (6) and the connecting pipe (10) are mutually penetrated, the connecting pipe (10) passes through the bottom frame (2), the bottom plate (1) is fixedly connected with the fan (9) close to the bottom frame (2) side, the fan (9) is fixedly connected with the connecting pipe (10) away from the bottom plate (1) side, the connecting pipe (10) and the fan (9) are mutually penetrated.

2. The centrifugal dewatering device for producing magnesium sulfate heptahydrate according to claim 1, characterized in that: The material of the connecting pipe (10) is rubber, so that the connecting pipe (10) can move up and down with the spray pipe (6).

3. The centrifugal dewatering device for producing magnesium sulfate heptahydrate according to claim 2, characterized in that: It also includes a moving cover (11), which is slidably connected to the rotating drum (5) away from the bottom plate (1) side, the moving cover (11) is rotatably connected with the symmetric rotating plate (12) close to the bottom plate (1) side, the moving cover (11) is fixedly connected with the small motor (13) away from the bottom plate (1) side, the small motor (13) is connected with the belt pulley assembly (14) between the rotating plate (12), the moving cover (11) is fixedly connected with the telescopic air cylinder (15) close to the bottom plate (1) side, and the telescopic air cylinder (15) is fixedly connected to the upper end of the bottom plate (1).

4. The centrifugal dewatering device for producing magnesium sulfate heptahydrate according to claim 3, characterized in that: The connection between the moving cover (11) and the rotating drum (5) is provided with a sealing rubber ring to ensure the sealing of the connection between the moving cover (11) and the rotating drum (5).

5. The centrifugal dewatering device for producing magnesium sulfate heptahydrate according to claim 4, characterized in that: In order to ensure that the bottom plate (1) can smoothly discharge sundries, a large circular hole is opened in the center of the bottom plate (1) to ensure that the sundries can flow out of the bottom plate (1).

6. The centrifugal dewatering device for producing magnesium sulfate heptahydrate according to claim 5, characterized in that: It also includes a connecting plate (16) fixedly connected to the spray pipe (6) away from the bottom plate (1) side, and symmetrically fixedly connected with the brush (17) on the upper and lower ends of the connecting plate (16).

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