Chlorinated polyethylene production control system and method

Abstract

According to the chlorinated polyethylene production control system and method, a chlorinated polyethylene material is put into a shell from a feeding port, then a controller is used for starting an air heater and a first driving component so as to control a lifting arm to vertically ascend and descend in a reciprocating mode, hot air exhausted by the air heater enters an inner cavity and then enters a zigzag pipe, and the first driving component drives the lifting arm to rotate; and the materials are discharged from the first grating net of each ventilation pipe, so that the materials in the shell are dried. In the drying process, the controller can obtain the humidity, detected by the humidity sensor, of the materials in the shell in real time and judge whether the average value of the humidity of the materials in the past preset duration is smaller than a preset value or not, and if yes, the lifting arm is controlled to stop lifting, the air heater stops working, and the electromagnetic valve is controlled to be opened so that the dried materials can be discharged; the humidity can be automatically detected in the whole drying process, drying is automatically stopped, materials are automatically discharged, and more intelligence and accuracy are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of drying automation control, and in particular to a production control system and method for chlorinated polyethylene. Background Art

[0002] Chlorinated polyethylene is a saturated polymer material, appearing as a white powder, non-toxic and odorless, having excellent weather resistance, ozone resistance, chemical resistance and aging resistance; at the same time, it has good oil resistance, flame retardancy and coloring properties, and has good compatibility with other polymer materials, and a relatively high decomposition temperature. Chlorinated polyethylene materials are often used to make waterproof rolls.

[0003] When manufacturing chlorinated polyethylene by the aqueous phase suspension method, it is first necessary to wash the dilute hydrochloric acid and excessive alkali compounds remaining on the surface of the chlorinated polyethylene, and then dry the washed chlorinated polyethylene so that the moisture content of the product reaches the specified standard to obtain the final chlorinated polyethylene product. The drying process is one of the important processes in the production process of chlorinated polyethylene materials. In the existing production process, the drying degree of chlorinated polyethylene is mostly judged manually to control the process of the process, resulting in unstable drying effects, increased labor intensity of the operator, and reduced production efficiency. Summary of the Invention

[0004] The main purpose of the present invention is to provide a production control system and method for chlorinated polyethylene, aiming to solve the problem that in the existing production process, the drying degree of chlorinated polyethylene is judged manually to control the process of the process, resulting in unstable drying effects and reduced production efficiency.

[0005] The technical solution proposed by the present invention is as follows: A production control system for chlorinated polyethylene, comprising a humidity sensor, a controller, a housing, a lifting arm, a return pipe, a ventilation pipe, a hot air blower, a first driving component and a solenoid valve; a feed inlet and an exhaust outlet are provided at the top of the housing; a discharge outlet is provided at the bottom of the housing; a discharge pipe is provided at the discharge outlet; a solenoid valve is provided on the discharge pipe; the humidity sensor is arranged in the housing and close to the discharge outlet; both the solenoid valve and the humidity sensor are communicatively connected to the controller; the lifting arm passes through the side wall of the housing, and the lifting arm can vertically lift relative to the housing; an inner cavity is horizontally provided in the lifting arm; the return pipe is arranged at one end of the lifting arm inside the housing, and the return pipe communicates with the inner cavity; one end of the ventilation pipe communicates with the return pipe, and the other end is closed; a plurality of air vents are provided on the pipe wall of the ventilation pipe; a first grille is provided to cover the air vents; the number of the ventilation pipes is multiple; the hot air blower is arranged at one end of the lifting arm outside the housing; the air outlet of the hot air blower communicates with the inner cavity; the first driving component is used to drive the lifting arm to vertically lift; the controller is used to: obtain in real time the material humidity in the housing detected by the humidity sensor, and judge whether the average value of the material humidity in the past preset time period is less than a preset value, if so, control the lifting arm to stop lifting, and control the solenoid valve to open to discharge the material.

[0006] Preferably, it further comprises an exhaust elbow, a cover plate and a feed hopper; the exhaust elbow is communicatively connected to the exhaust outlet; the outlet of the exhaust elbow faces downward, and a second grille is arranged in the exhaust elbow; a support frame for supporting the housing is arranged at the bottom of the housing; the feed hopper is communicatively connected to the feed inlet; the cover plate is hinged to the feed hopper for closing or opening the feed hopper.

[0007] Preferably, it further comprises a mounting frame; the mounting frame is embedded in the side wall of the housing; the mounting frame includes a first frame plate and a second frame plate opposite to each other, and a first connecting block and a second connecting block opposite to each other; both the first frame plate and the second frame plate are vertically arranged; the tops of the first frame plate and the second frame plate are both connected to the first connecting block; the bottoms of the first frame plate and the second frame plate are both connected to the second connecting block; the first frame plate includes a first frame wall facing the second frame plate, and the second frame plate includes a second frame wall facing the first frame plate; the first frame wall is parallel to the second frame wall and both are vertically arranged; the vertical cross section of the lifting arm is rectangular; the lifting arm includes a first outer wall and a second outer wall that are parallel to each other and both vertically arranged; the first outer wall is in sliding contact with the first frame wall, and the second outer wall is in sliding contact with the second frame wall.

[0008] Preferably, it further includes a first pull tab, a second pull tab, a first reel, a second reel, a first torsion spring and a second torsion spring; a first long slot is vertically formed in the first frame wall, and a second long slot is vertically formed in the second frame wall; the first long slot and the second long slot are directly opposite to each other, and the first long slot and the second long slot are in the same vertical plane; a first rectangular hole is vertically formed through the first connecting block; a second rectangular hole is vertically formed through the second connecting block; the first rectangular hole and the second rectangular hole are in the same vertical plane; the top of the first long slot and the top of the second long slot are both communicated with the first rectangular hole; the bottom of the first long slot and the bottom of the second long slot are both communicated with the second rectangular hole; the first reel and the second reel are both rotatably connected to the outer wall of the housing; the first reel is above the mounting frame, and the second reel is below the mounting frame; the first pull tab and the second pull tab are both flexible metal sheets; the central axes of the first reel and the second reel are both horizontally arranged and parallel to each other; the central axis of the first reel is perpendicular to the first frame wall. One end of the first pull tab is connected to the upper surface of the lifting arm, both sides of the first pull tab are respectively slidably inserted into the first long slot and the second long slot, and the first pull tab is also slidably inserted into the first rectangular hole; the other end of the first pull tab is wound around the first reel; the first torsion spring is arranged on the rotating shaft of the first reel; the torsion force of the first torsion spring makes the lifting arm tend to move upward; one end of the second pull tab is connected to the lower surface of the lifting arm, both sides of the second pull tab are respectively slidably inserted into the first long slot and the second long slot, and the second pull tab is also slidably inserted into the second rectangular hole; the other end of the second pull tab is wound around the second reel; the second torsion spring is arranged on the rotating shaft of the second reel; the torsion force of the second torsion spring makes the lifting arm tend to move downward.

[0009] Preferably, the first driving component includes a lead screw, a first motor, a first connecting plate and a second connecting plate; the first connecting plate and the second connecting plate are both connected to the outer wall of the housing; the first connecting plate and the second connecting plate are both horizontally arranged; the lifting arm is connected with a third connecting block; both ends of the lead screw are respectively rotatably connected to the first connecting plate and the second connecting plate; the lead screw is vertically arranged; a threaded hole is vertically formed through the third connecting block; the lead screw is screwed into the threaded hole; the first motor is arranged on the first connecting plate; the first motor is used for driving the lead screw to rotate; the controller is also used for controlling the start and stop of the first motor.

[0010] Preferably, it further includes a third connecting plate and an air outlet pipe; the third connecting plate is horizontally connected to the lifting arm, and the third connecting plate is outside the housing; the hot air blower is arranged on the third connecting plate; one end of the air outlet pipe is communicated with the air outlet of the hot air blower; the other end of the air outlet pipe penetrates through the lifting arm and is communicated with the inner cavity; the controller is further used to control the start and stop of the hot air blower.

[0011] Preferably, it further includes a second driving component, a first sleeve, a second sleeve and a connecting arm; the return pipe includes a first U-shaped pipe and a second U-shaped pipe; the first U-shaped pipe includes a first pipe, and a second pipe and a third pipe that are parallel to each other; the second U-shaped pipe includes a fourth pipe, and a fifth pipe and a sixth pipe that are parallel to each other; the first U-shaped pipe and the second U-shaped pipe have the same size; the pipe orifice of the second pipe is directly opposite to the pipe orifice of the fifth pipe, and the second pipe and the fifth pipe share the same central axis; the pipe orifice of the third pipe is directly opposite to the pipe orifice of the sixth pipe, and the third pipe and the sixth pipe share the same central axis; the central axes of the first pipe, the second pipe, the third pipe, the fourth pipe, the fifth pipe and the sixth pipe are all horizontally arranged; one end of the lifting arm inside the housing is connected to the first pipe; the inner cavity is communicated with the first pipe; a connecting arm is connected between the outer wall of the first pipe and the outer wall of the fourth pipe; One side of the first sleeve is rotatably sleeved on the outer wall of the second pipe through a sealed bearing, and the other side of the first sleeve is rotatably sleeved on the outer wall of the fifth pipe through a sealed bearing; the first sleeve and the first pipe share the same central axis; one side of the second sleeve is rotatably sleeved on the outer wall of the third pipe through a sealed bearing, and the other side of the second sleeve is rotatably sleeved on the outer wall of the sixth pipe through a sealed bearing; the second sleeve and the third pipe share the same central axis; the first sleeve is communicated with a plurality of the vent pipes, and the plurality of vent pipes are circumferentially and uniformly distributed around the central axis of the first sleeve; one end of the vent pipe communicated with the first sleeve, which is far away from the first sleeve, is closed; the second sleeve is communicated with a plurality of the vent pipes, and the plurality of vent pipes are circumferentially and uniformly distributed around the central axis of the second sleeve; one end of the vent pipe communicated with the second sleeve, which is far away from the second sleeve, is closed; the second driving component is used to drive the first sleeve and the second sleeve to rotate synchronously.

[0012] Preferably, the second driving component includes a first rotating shaft, a second rotating shaft, a third rotating shaft, a main shaft, a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear, a fifth bevel gear and a sixth bevel gear; the first rotating shaft is rotatably arranged in the first pipe, the second rotating shaft is rotatably arranged in the second pipe, and the third rotating shaft is rotatably arranged in the third pipe; the first rotating shaft and the first pipe share the same central axis, the second rotating shaft and the second pipe share the same central axis, and the third rotating shaft and the third pipe share the same central axis; the main shaft is rotatably arranged on the lifting arm and is located in the inner cavity; the main shaft and the lifting arm share the same central axis; one end of the main shaft is coaxially connected with the first bevel gear, and the second bevel gear is coaxially sleeved in the middle of the first rotating shaft, and the first bevel gear meshes with the second bevel gear; both ends of the first rotating shaft are respectively coaxially connected with the third bevel gear and the fourth bevel gear; one end of the second rotating shaft is coaxially connected with the fifth bevel gear, and the third bevel gear meshes with the fifth bevel gear; one end of the third rotating shaft is coaxially connected with the sixth bevel gear; the fourth bevel gear meshes with the sixth bevel gear; the other end of the second rotating shaft is provided with a first connecting rod, and the first connecting rod is connected to the inner wall of the first sleeve; the other end of the third rotating shaft is provided with a second connecting rod, and the second connecting rod is connected to the inner wall of the second sleeve.

[0013] Preferably, the second driving component further includes a worm gear, a worm and a second motor; the other end of the main shaft rotatably passes through one end of the lifting arm far away from the housing through a sealing bearing; the other end of the main shaft is coaxially connected with the worm; a protective cover is arranged at one end of the lifting arm far away from the housing; the worm is rotatably arranged in the protective cover; the second motor is arranged in the protective cover for driving the worm to rotate; the worm meshes with the worm gear; the controller is further used for controlling the start and stop of the second motor.

[0014] The present invention also proposes a production control method for chlorinated polyethylene, which is applied to a chlorinated polyethylene production control system; the method includes: The controller controls the first driving component and the hot air blower to start synchronously, so as to drive the lifting arm to lift vertically and introduce the hot air blown by the hot air blower into the housing. The controller real-time obtains the material humidity in the housing detected by the humidity sensor, and judges whether the average value of the material humidity in the past preset time period is less than a preset value. If so, the controller controls the lifting arm to stop lifting through the first driving component, controls the hot air blower to stop working, and controls the solenoid valve to open to discharge the material.

[0015] Through the above technical solutions, the following beneficial effects can be achieved: The production control system for chlorinated polyethylene proposed by the present invention can more intelligently and accurately judge the drying degree of chlorinated polyethylene, thereby controlling the process of the drying process and further ensuring the drying effect. During specific use, the chlorinated polyethylene material is put into the shell from the feed port, and then the hot air blower and the first driving component are started through the controller to control the vertical reciprocating lifting of the lifting arm, and the hot air discharged from the hot air blower enters the inner cavity, then enters the return pipe, and is discharged from the first grid of each ventilation pipe, thereby drying the material in the shell. During the drying process, the controller can obtain the humidity of the material in the shell detected by the humidity sensor in real time, and judge whether the average humidity of the material in the past preset time period is less than the preset value. If it is less, the controller controls the lifting arm to stop lifting, the hot air blower to stop working, and the solenoid valve to open to discharge the dried material. The entire drying process can automatically detect humidity, automatically stop drying and discharge materials, which is more intelligent and accurate, greatly improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of a production control system for chlorinated polyethylene proposed by the present invention; Figure 2 It is a schematic diagram of the internal structure of a production control system for chlorinated polyethylene proposed by the present invention; Figure 3 It is a schematic diagram of the structure of the installation frame of a production control system for chlorinated polyethylene proposed by the present invention; Figure 4 It is a schematic diagram of the structure of the return pipe and related components of a production control system for chlorinated polyethylene proposed by the present invention; Figure 5 is Figure 4 a partial structural cross-sectional view of.

[0018] Description of the reference numerals in the drawings: 110, housing; 120, support frame; 130, feed inlet; 140, feed hopper; 150, exhaust elbow; 160, discharge pipe; 170, solenoid valve; 180, mounting frame; 190, lifting arm; 210, first reel; 220, second reel; 230, first pulling piece; 240, second pulling piece; 250, first connecting plate; 260, second connecting plate; 270, lead screw; 280, first motor; 290, hot air blower; 310, air outlet pipe; 320, protective cover; 330, third connecting block; 340, worm gear; 350, worm; 360, first connecting block; 370, second connecting block; 380, first frame plate; 390, second frame plate; 410, first frame wall; 420, second frame wall; 430, first long groove; 440, second long groove; 450, first rectangular hole; 460, second rectangular hole; 470, second grille; 480, first grille; 490, ventilation pipe; 510, return pipe; 520, discharge port; 530, first pipe; 540, second pipe; 550, third pipe; 560, fourth pipe; 570, fifth pipe; 580, sixth pipe; 590, connecting arm; 610, first sleeve; 620, second sleeve; 630, main shaft; 640, first rotating shaft; 650, second rotating shaft; 660, third rotating shaft; 670, first bevel gear; 680, second bevel gear; 690, third bevel gear; 710, fourth bevel gear; 720, fifth bevel gear; 730, sixth bevel gear; 740, first connecting rod; 750, second connecting rod. Detailed implementation manners

[0019] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0020] The present invention provides a production control system and method for chlorinated polyethylene.

[0021] As shown in the attached Figure 1 - attached Figure 5As shown, in an embodiment of a production control system for chlorinated polyethylene proposed by the present invention, the production control system for chlorinated polyethylene includes a humidity sensor (not shown), a controller (not shown, such as a single-chip microcomputer), a housing 110, a lifting arm 190, a return pipe 510, a ventilation pipe 490, a hot air blower 290, a first driving component, and a solenoid valve 170; a feed inlet 130 and an exhaust port are provided at the top of the housing 110; a discharge port 520 is provided at the bottom of the housing 110; a discharge pipe 160 is provided at the discharge port 520; the discharge pipe 160 is provided with a solenoid valve 170 for closing or opening the discharge pipe 160; the humidity sensor is disposed inside the housing 110 and near the discharge port 520; both the solenoid valve 170 and the humidity sensor are communicatively connected to the controller; the lifting arm 190 penetrates through the side wall of the housing 110, and the lifting arm 190 can vertically lift relative to the housing 110; an inner cavity (not labeled) is horizontally provided in the lifting arm 190; the return pipe 510 is disposed at one end of the lifting arm 190 inside the housing 110, and the return pipe 510 communicates with the inner cavity; one end of the ventilation pipe 490 communicates with the return pipe 510, and the other end is closed; a plurality of air vents (not labeled) are provided on the pipe wall of the ventilation pipe 490; a first grille 480 is provided to cover the air vents; the number of the ventilation pipes 490 is multiple; the hot air blower 290 is disposed at one end of the lifting arm 190 outside the housing 110; the air outlet of the hot air blower 290 communicates with the inner cavity; the first driving component is used to drive the lifting arm 190 to vertically lift; the controller is used for: obtaining in real time the material humidity inside the housing 110 detected by the humidity sensor, and judging whether the average value of the material humidity in the past preset time period (such as 10 seconds) is less than a preset value (such as 10%), if so, controlling the lifting arm 190 to stop lifting, and controlling the solenoid valve 170 to open to discharge the material. By obtaining the average value of the material humidity, the drying degree of the material can be judged more accurately.

[0022] The production control system for chlorinated polyethylene proposed by the present invention can more intelligently and accurately judge the drying degree of chlorinated polyethylene, thereby controlling the process of the drying process and ensuring the drying effect. During specific use, the chlorinated polyethylene material is put into the housing 110 from the feed inlet 130, and then the hot air blower 290 and the first driving component are started through the controller to control the vertical reciprocating lifting of the lifting arm 190, and the hot air discharged from the hot air blower 290 enters the inner cavity, then enters the return pipe 510, and is discharged from the first grille 480 of each ventilation pipe, so as to dry the material in the housing 110. During the drying process, the controller can obtain in real time the humidity of the material in the housing 110 detected by the humidity sensor, and judge whether the average value of the material humidity in the past preset time period is less than the preset value. If it is less, the controller controls the lifting arm 190 to stop lifting, and the hot air blower 290 stops working, and controls the solenoid valve 170 to open to discharge the dried material. The entire drying process can automatically detect humidity, automatically stop drying and discharge materials, which is more intelligent and accurate, greatly improving production efficiency.

[0023] In addition, the production control system for chlorinated polyethylene of the present invention further includes an exhaust elbow 150, a cover plate (not shown) and a feed hopper 140; the exhaust elbow 150 is communicated and arranged at the exhaust port; the outlet of the exhaust elbow 150 faces downward, and a second grille 470 is arranged in the exhaust elbow 150; a support frame 120 for supporting the housing 110 is arranged at the bottom of the housing 110; the feed hopper 140 is communicated and arranged at the feed inlet 130; the cover plate is hinged to the feed hopper 140 for closing or opening the feed hopper 140.

[0024] Meanwhile, the CPE production control system further includes an installation frame 180; the installation frame 180 is embedded in the side wall of the housing 110 (one side of the installation frame 180 is inside the housing 110, and the other side is outside the housing 110); the installation frame 180 includes a first frame plate 380 and a second frame plate 390 that face each other, and a first connecting block 360 and a second connecting block 370 that face each other; both the first frame plate 380 and the second frame plate 390 are vertically arranged; the tops of the first frame plate 380 and the second frame plate 390 are both connected to the first connecting block 360; the bottoms of the first frame plate 380 and the second frame plate 390 are both connected to the second connecting block 370; the first frame plate 380 includes a first frame wall 410 facing the second frame plate 390, and the second frame plate 390 includes a second frame wall 420 facing the first frame plate 380; the first frame wall 410 is parallel to the second frame wall 420, and both are vertically arranged; the vertical cross-section of the lifting arm 190 is rectangular; the lifting arm 190 includes a first outer wall and a second outer wall that are parallel to each other and both vertically arranged; the first outer wall is in sliding contact with the first frame wall 410, and the second outer wall is in sliding contact with the second frame wall 420 (to ensure the sealing performance and the vertical lifting stability of the lifting arm 190). Through the above technical solution, the specific solution for the lifting arm 190 to be able to vertically lift relative to the housing 110 is improved; that is, the lifting arm 190 vertically slides through the installation frame 180.

[0025] In addition, the CPE production control system further includes a first pull tab 230, a second pull tab 240, a first reel 210, a second reel 220, a first torsion spring (not shown) and a second torsion spring (not shown); the first frame wall 410 is vertically provided with a first long groove 430, and the second frame wall 420 is vertically provided with a second long groove 440; the first long groove 430 and the second long groove 440 are directly opposite to each other, and the first long groove 430 and the second long groove 440 are in the same vertical plane; the first connecting block 360 is vertically and throughly provided with a first rectangular hole 450; the second connecting block 370 is vertically and throughly provided with a second rectangular hole 460; the first rectangular hole 450 and the second rectangular hole 460 are in the same vertical plane; the top of the first long groove 430 and the top of the second long groove 440 are both communicated with the first rectangular hole 450; the bottom of the first long groove 430 and the bottom of the second long groove 440 are both communicated with the second rectangular hole 460; the first reel 210 and the second reel 220 are both rotatably connected to the outer wall of the housing 110; the first reel 210 is above the installation frame 180, and the second reel 220 is below the installation frame 180. The first pull tab 230 and the second pull tab 240 are both flexible metal sheets; the central axes of the first reel 210 and the second reel 220 are both horizontally arranged and parallel to each other; the central axis of the first reel 210 is perpendicular to the first frame wall 410.

[0026] One end of the first pulling piece 230 is connected to the upper surface of the lifting arm 190. The two sides of the first pulling piece 230 are respectively slidably inserted into the first long slot 430 and the second long slot 440 (the first pulling piece 230 and the second pulling piece 240 have the same thickness, and the first long slot 430 and the second long slot 440 have the same dimensions; the thickness of the first pulling piece 230 is the same as the slot width of the first long slot 430). The first pulling piece 230 is also slidably inserted into the first rectangular hole 450 (the two wide walls of the first pulling piece 230 are respectively in sliding contact with the two inner walls of the first rectangular hole 450). The other end of the first pulling piece 230 is wound around the first reel 210. A first torsion spring is arranged on the rotating shaft of the first reel 210. The torsion force of the first torsion spring makes the lifting arm 190 tend to move upward. One end of the second pulling piece 240 is connected to the lower surface of the lifting arm 190. The two sides of the second pulling piece 240 are respectively slidably inserted into the first long slot 430 and the second long slot 440. The second pulling piece 240 is also slidably inserted into the second rectangular hole 460 (the two wide walls of the second pulling piece 240 are respectively in sliding contact with the two inner walls of the second rectangular hole 460). The other end of the second pulling piece 240 is wound around the second reel 220. A second torsion spring is arranged on the rotating shaft of the second reel 220. The torsion force of the second torsion spring makes the lifting arm 190 tend to move downward.

[0027] Specifically, in the above technical solution, during the vertical lifting of the lifting arm 190, the housing 110 remains sealed, that is, the first pulling piece 230 is always embedded in the first long slot 430, the second long slot 440, and the first rectangular hole 450 above the lifting arm 190, and the second pulling piece 240 is always embedded in the first long slot 430, the second long slot 440, and the second rectangular hole 460 below the lifting arm 190, thereby isolating the inside and outside of the housing 110 to ensure the sealing performance of the housing 110.

[0028] In addition, the above first driving component includes a lead screw 270, a first motor 280, a first connecting plate 250, and a second connecting plate 260. Both the first connecting plate 250 and the second connecting plate 260 are connected to the outer wall of the housing 110. Both the first connecting plate 250 and the second connecting plate 260 are horizontally arranged. The lifting arm 190 is connected with a third connecting block 330. The two ends of the lead screw 270 are respectively rotatably connected to the first connecting plate 250 and the second connecting plate 260. The lead screw 270 is vertically arranged. A threaded hole (not shown) is vertically and penetratingly opened in the third connecting block 330. The lead screw 270 is screwed into the threaded hole. The first motor 280 is arranged on the first connecting plate 250. The first motor 280 is used to drive the lead screw 270 to rotate. The controller is also used to control the start and stop of the first motor 280. By controlling the first motor 280 to start in a reciprocating rotation direction through the controller, the reciprocating lifting of the lifting arm 190 is controlled.

[0029] Meanwhile, the CPE production control system further includes a third connecting plate and an air outlet pipe 310; the third connecting plate is horizontally connected to the lifting arm 190, and the third connecting plate is outside the housing 110; the hot air blower 290 is arranged on the third connecting plate; one end of the air outlet pipe 310 communicates with the air outlet of the hot air blower 290; the other end of the air outlet pipe 310 penetrates through the lifting arm 190 and communicates with the inner cavity; the controller is further used to control the start and stop of the hot air blower 290.

[0030] In addition, the CPE production control system further includes a second driving component, a first sleeve 610, a second sleeve 620 and a connecting arm 590; the return pipe 510 includes a first U-shaped pipe and a second U-shaped pipe; the first U-shaped pipe includes a first pipe 530, and a second pipe 540 and a third pipe 550 that are parallel to each other; the second U-shaped pipe includes a fourth pipe 560, and a fifth pipe 570 and a sixth pipe 580 that are parallel to each other; the first U-shaped pipe and the second U-shaped pipe have the same size; the pipe orifice of the second pipe 540 is directly opposite to the pipe orifice of the fifth pipe 570, and the second pipe 540 and the fifth pipe 570 share the same central axis; the pipe orifice of the third pipe 550 is directly opposite to the pipe orifice of the sixth pipe 580, and the third pipe 550 and the sixth pipe 580 share the same central axis; the central axes of the first pipe 530, the second pipe 540, the third pipe 550, the fourth pipe 560, the fifth pipe 570 and the sixth pipe 580 are all horizontally arranged; one end of the lifting arm 190 inside the housing 110 is connected to the first pipe 530; the inner cavity communicates with the first pipe 530; a connecting arm 590 is connected between the outer wall of the first pipe 530 and the outer wall of the fourth pipe 560.

[0031] One side of the first sleeve 610 is rotatably sleeved on the outer wall of the second pipe 540 through a sealing bearing, and the other side of the first sleeve 610 is rotatably sleeved on the outer wall of the fifth pipe 570 through a sealing bearing; the first sleeve 610 and the first pipe 530 share the same central axis; one side of the second sleeve 620 is rotatably sleeved on the outer wall of the third pipe 550 through a sealing bearing, and the other side of the second sleeve 620 is rotatably sleeved on the outer wall of the sixth pipe 580 through a sealing bearing; the second sleeve 620 and the third pipe 550 share the same central axis; the first sleeve 610 is communicated with a plurality of ventilation pipes 490, and the plurality of ventilation pipes 490 are circumferentially and evenly distributed around the central axis of the first sleeve 610; the end of the ventilation pipe 490 communicated with the first sleeve 610 away from the first sleeve 610 is closed; the second sleeve 620 is communicated with a plurality of ventilation pipes 490, and the plurality of ventilation pipes 490 are circumferentially and evenly distributed around the central axis of the second sleeve 620; the end of the ventilation pipe 490 communicated with the second sleeve 620 away from the second sleeve 620 is closed; the second driving component is used to drive the first sleeve 610 and the second sleeve 620 to rotate synchronously. Through the above technical solutions, both the first sleeve 610 and the second sleeve 620 can rotate relative to the return pipe 510, and the return pipe 510 itself does not rotate.

[0032] Meanwhile, the second driving component includes a first rotating shaft 640, a second rotating shaft 650, a third rotating shaft 660, a main shaft 630, a first bevel gear 670, a second bevel gear 680, a third bevel gear 690, a fourth bevel gear 710, a fifth bevel gear 720, and a sixth bevel gear 730; the first rotating shaft 640 is rotatably arranged in the first pipe 530, the second rotating shaft 650 is rotatably arranged in the second pipe 540, and the third rotating shaft 660 is rotatably arranged in the third pipe 550; the first rotating shaft 640 and the first pipe 530 share the same central axis, the second rotating shaft 650 and the second pipe 540 share the same central axis, and the third rotating shaft 660 and the third pipe 550 share the same central axis; the main shaft 630 is rotatably arranged on the lifting arm 190 and is located in the inner cavity; the main shaft 630 and the lifting arm 190 share the same central axis; one end of the main shaft 630 is coaxially connected with a first bevel gear 670, a second bevel gear 680 is coaxially sleeved in the middle of the first rotating shaft 640, and the first bevel gear 670 meshes with the second bevel gear 680; both ends of the first rotating shaft 640 are coaxially connected with a third bevel gear 690 and a fourth bevel gear 710 respectively; one end of the second rotating shaft 650 is coaxially connected with a fifth bevel gear 720, and the third bevel gear 690 meshes with the fifth bevel gear 720; one end of the third rotating shaft 660 is coaxially connected with a sixth bevel gear 730; the fourth bevel gear 710 meshes with the sixth bevel gear 730; the other end of the second rotating shaft 650 is provided with a first connecting rod 740, and the first connecting rod 740 is connected to the inner wall of the first sleeve 610; the other end of the third rotating shaft 660 is provided with a second connecting rod 750, and the second connecting rod 750 is connected to the inner wall of the second sleeve 620.

[0033] In addition, the second driving component further includes a worm gear 340, a worm 350, and a second motor (not shown); the other end of the main shaft 630 rotatably passes through one end of the lifting arm 190 away from the housing 110 through a sealed bearing; the other end of the main shaft 630 is coaxially connected with the worm 350; a protective cover 320 is provided at one end of the lifting arm 190 away from the housing 110; the worm 350 is rotatably arranged in the protective cover 320; the second motor is arranged in the protective cover 320 for driving the worm 350 to rotate; the worm 350 meshes with the worm gear 340; the controller is further used to control the start and stop of the second motor.

[0034] Through the above technical solution, the structure of the second driving component is improved; the second motor drives the main shaft 630 to rotate, thereby driving the first rotating shaft 640 to rotate, and further driving the second rotating shaft 650 and the third rotating shaft 660 to rotate synchronously, so as to drive the first sleeve 610 and the second sleeve 620 to rotate synchronously, so as to increase the range of hot air discharged by the ventilation pipe 490 and improve the drying efficiency of the material.

[0035] In the first embodiment of a production control method for chlorinated polyethylene proposed by the present invention, the production control method for chlorinated polyethylene is applied to a production control system for chlorinated polyethylene; this embodiment includes the following steps: Step S110: The controller controls the first driving component and the hot air blower 290 to start synchronously, so as to drive the lifting arm 190 to lift vertically and introduce the hot air blown out by the hot air blower 290 into the housing 110.

[0036] Step S120: The controller acquires in real time the material humidity in the housing 110 detected by the humidity sensor, and determines whether the average value of the material humidity in the past preset time period is less than a preset value.

[0037] If so, execute Step S130: The controller controls the lifting arm 190 to stop lifting through the first driving component, controls the hot air blower 290 to stop working, and controls the solenoid valve 170 to open to discharge the material.

[0038] Specifically, the production control method for chlorinated polyethylene proposed by the present invention can more intelligently and accurately judge the drying degree of chlorinated polyethylene based on the chlorinated polyethylene production control system, so as to control the process of the drying process, and further ensure the drying effect.

[0039] The serial numbers of the above embodiments of the present invention are only for description and do not represent the advantages or disadvantages of the embodiments.

[0040] The embodiments of the present invention have been described above in conjunction with the accompanying drawings. However, the present invention is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present invention, those of ordinary skill in the art can also make many forms without departing from the spirit and scope protected by the claims of the present invention. All of these are within the protection scope of the present invention.

Claims

1. A production control system for chlorinated polyethylene, characterized in that, It includes a humidity sensor, a controller, a housing, a lifting arm, a return pipe, a ventilation pipe, a hot air blower, a first driving component and a solenoid valve; a feed inlet and an exhaust outlet are provided at the top of the housing; a discharge outlet is provided at the bottom of the housing; a discharge pipe is provided at the discharge outlet; a solenoid valve is provided on the discharge pipe; the humidity sensor is arranged in the housing and near the discharge outlet; both the solenoid valve and the humidity sensor are communicatively connected to the controller; the lifting arm penetrates through the side wall of the housing, and the lifting arm can vertically lift relative to the housing; an inner cavity is horizontally provided in the lifting arm; the return pipe is arranged at one end of the lifting arm inside the housing, and the return pipe communicates with the inner cavity; one end of the ventilation pipe communicates with the return pipe, and the other end is closed; a plurality of air vents are provided on the pipe wall of the ventilation pipe; a first grille is covered at the air vents; the number of the ventilation pipes is multiple; the hot air blower is arranged at one end of the lifting arm outside the housing; the air outlet of the hot air blower communicates with the inner cavity; the first driving component is used to drive the lifting arm to vertically lift; the controller is used to: obtain in real time the material humidity in the housing detected by the humidity sensor, and judge whether the average value of the material humidity in the past preset time period is less than a preset value, if so, control the lifting arm to stop lifting, and control the solenoid valve to open to discharge the material.

2. The production control system of chlorinated polyethylene according to claim 1, characterized in that, It further includes an exhaust elbow, a cover plate and a feed hopper; the exhaust elbow is communicatively connected to the exhaust outlet; the outlet of the exhaust elbow faces downward, and a second grille is arranged in the exhaust elbow; a support frame for supporting the housing is arranged at the bottom of the housing; the feed hopper is communicatively connected to the feed inlet; the cover plate is hinged to the feed hopper to be used for closing or opening the feed hopper.

3. The production control system of chlorinated polyethylene according to claim 1, characterized in that, It further includes an installation frame; the installation frame is embedded in the side wall of the housing; the installation frame includes a first frame plate and a second frame plate opposite to each other, and a first connecting block and a second connecting block opposite to each other; both the first frame plate and the second frame plate are vertically arranged; the tops of the first frame plate and the second frame plate are both connected to the first connecting block; the bottoms of the first frame plate and the second frame plate are both connected to the second connecting block; the first frame plate includes a first frame wall facing the second frame plate, and the second frame plate includes a second frame wall facing the first frame plate; the first frame wall is parallel to the second frame wall and both are vertically arranged; the vertical cross section of the lifting arm is rectangular; the lifting arm includes a first outer wall and a second outer wall that are parallel to each other and both vertically arranged; the first outer wall is in sliding contact with the first frame wall, and the second outer wall is in sliding contact with the second frame wall.

4. The production control system of chlorinated polyethylene according to claim 3, characterized in that, It further includes a first pull tab, a second pull tab, a first reel, a second reel, a first torsion spring and a second torsion spring; a first long slot is vertically formed in the first frame wall, and a second long slot is vertically formed in the second frame wall; the first long slot and the second long slot are directly opposite to each other, and the first long slot and the second long slot are in the same vertical plane; a first rectangular hole is vertically formed through the first connecting block; a second rectangular hole is vertically formed through the second connecting block; the first rectangular hole and the second rectangular hole are in the same vertical plane; the top of the first long slot and the top of the second long slot are both communicated with the first rectangular hole; the bottom of the first long slot and the bottom of the second long slot are both communicated with the second rectangular hole; the first reel and the second reel are both rotatably connected to the outer wall of the housing; the first reel is above the mounting frame, and the second reel is below the mounting frame; the first pull tab and the second pull tab are both flexible metal sheets; the central axes of the first reel and the second reel are both horizontally arranged and parallel to each other; the central axis of the first reel is perpendicular to the first frame wall; One end of the first pull tab is connected to the upper surface of the lifting arm, both sides of the first pull tab are respectively slidably inserted into the first long slot and the second long slot, and the first pull tab is also slidably inserted into the first rectangular hole; the other end of the first pull tab is wound around the first reel; the first torsion spring is arranged on the rotating shaft of the first reel; the torsion force of the first torsion spring makes the lifting arm have a tendency to move upward; one end of the second pull tab is connected to the lower surface of the lifting arm, both sides of the second pull tab are respectively slidably inserted into the first long slot and the second long slot, and the second pull tab is also slidably inserted into the second rectangular hole; the other end of the second pull tab is wound around the second reel; the second torsion spring is arranged on the rotating shaft of the second reel; the torsion force of the second torsion spring makes the lifting arm have a tendency to move downward.

5. The production control system of chlorinated polyethylene according to claim 3, characterized in that, The first driving component includes a lead screw, a first motor, a first connecting plate and a second connecting plate; the first connecting plate and the second connecting plate are both connected to the outer wall of the housing; the first connecting plate and the second connecting plate are both horizontally arranged; the lifting arm is connected with a third connecting block; the two ends of the lead screw are respectively rotatably connected to the first connecting plate and the second connecting plate; the lead screw is vertically arranged; a threaded hole is vertically formed through the third connecting block; the lead screw is screwed into the threaded hole; the first motor is arranged on the first connecting plate; the first motor is used to drive the lead screw to rotate; the controller is also used to control the start and stop of the first motor.

6. The production control system of chlorinated polyethylene according to claim 3, wherein, It further includes a third connecting plate and an air outlet pipe; the third connecting plate is horizontally connected to the lifting arm, and the third connecting plate is outside the housing; the hot air blower is arranged on the third connecting plate; one end of the air outlet pipe is communicated with the air outlet of the hot air blower; the other end of the air outlet pipe passes through the lifting arm and is communicated with the inner cavity; the controller is also used to control the start and stop of the hot air blower.

7. The production control system of chlorinated polyethylene according to claim 6, wherein It further includes a second driving component, a first sleeve, a second sleeve and a connecting arm; the return pipe includes a first U-shaped pipe and a second U-shaped pipe; the first U-shaped pipe includes a first pipe, and a second pipe and a third pipe that are parallel to each other; the second U-shaped pipe includes a fourth pipe, and a fifth pipe and a sixth pipe that are parallel to each other; the first U-shaped pipe and the second U-shaped pipe have the same size; The pipe orifice of the second pipe is directly opposite to the pipe orifice of the fifth pipe, and the second pipe and the fifth pipe share the same central axis; the pipe orifice of the third pipe is directly opposite to the pipe orifice of the sixth pipe, and the third pipe and the sixth pipe share the same central axis; the central axes of the first pipe, the second pipe, the third pipe, the fourth pipe, the fifth pipe and the sixth pipe are all horizontally arranged; one end of the lifting arm inside the housing is connected to the first pipe; the inner cavity is communicated with the first pipe; a connecting arm is connected between the outer wall of the first pipe and the outer wall of the fourth pipe; One side of the first sleeve is rotatably sleeved on the outer wall of the second pipe through a sealed bearing, and the other side of the first sleeve is rotatably sleeved on the outer wall of the fifth pipe through a sealed bearing; the first sleeve and the first pipe share the same central axis; one side of the second sleeve is rotatably sleeved on the outer wall of the third pipe through a sealed bearing, and the other side of the second sleeve is rotatably sleeved on the outer wall of the sixth pipe through a sealed bearing; the second sleeve and the third pipe share the same central axis; the first sleeve is communicated with a plurality of the ventilation pipes, and the plurality of ventilation pipes are circumferentially and evenly distributed around the central axis of the first sleeve; one end of the ventilation pipe communicated with the first sleeve, which is far away from the first sleeve, is closed; the second sleeve is communicated with a plurality of the ventilation pipes, and the plurality of ventilation pipes are circumferentially and evenly distributed around the central axis of the second sleeve; one end of the ventilation pipe communicated with the second sleeve, which is far away from the second sleeve, is closed; the second driving component is used to drive the first sleeve and the second sleeve to rotate synchronously.

8. A production control system for chlorinated polyethylene according to claim 7, characterized in that, The second driving component includes a first rotating shaft, a second rotating shaft, a third rotating shaft, a main shaft, a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear, a fifth bevel gear and a sixth bevel gear; the first rotating shaft is rotatably arranged in the first pipe, the second rotating shaft is rotatably arranged in the second pipe, and the third rotating shaft is rotatably arranged in the third pipe; the first rotating shaft and the first pipe share the same central axis, the second rotating shaft and the second pipe share the same central axis, and the third rotating shaft and the third pipe share the same central axis; the main shaft is rotatably arranged on the lifting arm and is located in the inner cavity; the main shaft and the lifting arm share the same central axis; one end of the main shaft is coaxially connected with the first bevel gear, and the second bevel gear is coaxially sleeved in the middle of the first rotating shaft, and the first bevel gear meshes with the second bevel gear; both ends of the first rotating shaft are coaxially connected with the third bevel gear and the fourth bevel gear respectively; one end of the second rotating shaft is coaxially connected with the fifth bevel gear, and the third bevel gear meshes with the fifth bevel gear; one end of the third rotating shaft is coaxially connected with the sixth bevel gear; the fourth bevel gear meshes with the sixth bevel gear; the other end of the second rotating shaft is provided with a first connecting rod, and the first connecting rod is connected to the inner wall of the first sleeve; the other end of the third rotating shaft is provided with a second connecting rod, and the second connecting rod is connected to the inner wall of the second sleeve.

9. The production control system of chlorinated polyethylene according to claim 8, wherein, The second driving component further includes a worm gear, a worm and a second motor; the other end of the main shaft rotatably passes through one end of the lifting arm far away from the housing through a sealed bearing; the other end of the main shaft is coaxially connected with the worm; a protective cover is arranged at one end of the lifting arm far away from the housing; the worm is rotatably arranged in the protective cover; the second motor is arranged in the protective cover for driving the worm to rotate; the worm meshes with the worm gear; the controller is further used for controlling the start and stop of the second motor.

10. A method for controlling the production of chlorinated polyethylene, characterized in that, Applied to the chlorinated polyethylene production control system according to any one of claims 1-9; the method includes: The controller controls the first driving component and the hot air blower to start synchronously, so as to drive the lifting arm to lift vertically and introduce the hot air blown by the hot air blower into the housing. The controller obtains in real time the material humidity in the housing detected by the humidity sensor, and judges whether the average value of the material humidity in the past preset time period is less than a preset value. If so, the controller controls the lifting arm to stop lifting through the first driving component, controls the hot air blower to stop working, and controls the solenoid valve to open to discharge the material.

Images