A chloroprene latex degassing device and degassing method
By setting a vibrating shell in the tank of the chloroprene latex degassing device, the problem of slow foam flow rate during vacuum pumping is solved, and a more efficient degassing effect is achieved.
Patent Information
- Application Number
- CN202411818140.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2044-12-11
AI Technical Summary
During the production of neoprene, the foam flow rate is slow when the vacuum pump pumps, resulting in low degassing efficiency.
A neoprene latex degassing device is designed. By setting a polarization block that can generate vibration in the tank body, the foam in the latex is shattered and the up-floating speed is accelerated, thereby improving the degassing efficiency.
By vibrating the vibration of the shell, the foam in the latex is directly shattered and the foam is accelerated, which significantly improves the foam burst rate during the vacuum pump and improves the degassing efficiency.
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Figure CN119280893B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to gas-liquid separation equipment and relates to the technical field of rubber synthesis, in particular to a chloroprene rubber latex degassing device and a degassing method. Background Art
[0002] Chloroprene rubber has many excellent properties such as aging resistance, heat resistance, cold resistance, flame resistance, and oil resistance. Therefore, it has been widely used in the manufacturing of industrial rubber products such as automobile manufacturing, construction, and hoses and conveyor belts.
[0003] The production process of chloroprene rubber is divided into monomer synthesis and refining, polymerization process and rubber post-treatment process. In the post-treatment process, the chloroprene rubber latex is degassed in a separator. Application number 201010227783.9; a public patent for a process of degassing in the process of synthesizing chloroprene rubber describes that currently, degassing in industry generally adopts tower or tubular vacuum degassing method. The content of chloroprene (CD) in the latex after degassing by the tower degassing method is less than 1%, and the main equipment includes a degassing tower, a foam separation tower, a three-stage cooler and a hydraulic pump. The tubular degassing method is a single-stage tubular degassing method, and the main equipment includes a degassing pipe, a three-stage separator, a vacuum pump and a three-stage cooler. The content of chloroprene in the latex after degassing is less than 1%.
[0004] Application No. 202020924895.9 discloses a chloroprene rubber emulsion degassing condenser, the air inlet end at the top of the condenser body is connected to the separator through a gas phase pipe, the air inlet end is connected to the soft water tank through a soft water pipe, the end of the soft water pipe is connected to an atomizing nozzle, a mesh filter plate is horizontally fixed in the air inlet end, the mesh filter plate is coated with a defoaming layer, the atomizing nozzle is arranged below the mesh filter plate, and the inner surface of the gas phase pipe is coated with a defoaming layer.
[0005] Application No. 202020924905.9 discloses a chloroprene rubber degassing separator unloading piping device, comprising a two-stage primary separator and a two-stage secondary separator. A first unloading pipe is arranged at the bottom of the two-stage primary separator, and a second unloading pipe is arranged at the bottom of the two-stage secondary separator. A pipeline sight glass is arranged in the second unloading pipe. The second unloading pipe is connected to the first unloading pipe through a four-way valve, and the other two interfaces of the four-way valve are sealed with blind plates.
[0006] Since foam is evenly distributed in the latex of the separator and the viscosity of the latex is high, the foam flow rate is slow when the vacuum pump is pumping air, and the degassing efficiency is low. Summary of the invention
[0007] The object of the present invention is to provide a chloroprene latex degassing device and a degassing method, so as to solve the problems of slow foam flow rate and low degassing efficiency when a vacuum pump is used for pumping air, as mentioned in the above background technology.
[0008] The technical solution adopted by the present invention is as follows: a chloroprene latex degassing device comprises a tank body, a motor seat is arranged at the bottom of the tank body; a first spring seat is arranged on the top surface of the motor seat, a second spring seat is slidably connected to the first spring seat, a first spring is arranged between the first spring seat and the second spring seat; a rubber bellows is arranged between the first spring seat and the second spring seat; a vibration shell is arranged on the top surface of the second spring seat, a ball bearing is rotatably connected to the inner cavity of the vibration shell, a rotating shaft is rotatably connected to the ball bearing, a polarizing block is arranged on the side wall of the rotating shaft, the lower end of the rotating shaft extends into the motor seat, a first motor is arranged at the lower end of the rotating shaft, and the first motor is fixed to the inner top surface of the motor seat.
[0009] A rounded rectangular frame is slidably connected to the bottom filter screen, a sixth connecting rod is arranged at the lower end of the rounded rectangular frame, a shaft sleeve is arranged at the lower end of the sixth connecting rod, and the shaft sleeve is rotatably connected to the pressure rod.
[0010] The bottom of the tank body is provided with a liquid inlet pipe and a liquid outlet pipe, a heating plate is provided in the gap between the liquid inlet pipe and the liquid outlet pipe, the interior of the heating plate is a cavity structure, the center of the heating plate has a light hole, the light hole is adapted to the motor seat, and the side of the heating plate has an opening hole.
[0011] A vertical tube is provided on the side wall of the discharge pipe, and a second porous plate is provided at the end of the vertical tube; a cover shell is provided on the vertical tube, and a diaphragm is provided in the gap between the cover shell and the vertical tube; a sliding tube is provided on the cover shell; a lower cover is provided at the lower end of the sliding tube; a telescopic rod is provided on the lower cover; a push plate is provided at the piston end of the telescopic rod, and the push plate is slidably adapted to the sliding tube.
[0012] A transverse tube is provided on the side wall of the tank body, and there are two transverse tubes which are arranged opposite to each other; a tube pressing sleeve is provided on the transverse tube, and a chassis is provided on the tube pressing sleeve, and the chassis has two pipe interfaces connected to the tube pressing sleeve, and rubber tubes are provided on the two pipe interfaces, and the rubber tubes are U-shaped, and the angles of the rubber tubes are rounded; a guide seat is provided in the chassis, and the guide seat is U-shaped, and a U-shaped groove is provided on the inner wall of the guide seat, and the U-shaped groove is used to accommodate the rubber tube; a box cover is provided on the chassis; a main shaft is rotatably connected to the box cover, and the main shaft is driven by a second motor; a hexagonal seat is provided on the side wall of the main shaft located in the chassis, and a bearing seat is provided on the hexagonal seat; a pressure roller is rotatably connected to the bearing seat, and the pressure roller is in rolling contact with the rubber tube to transport the latex in the rubber tube in one direction.
[0013] A degassing method using the above-mentioned chloroprene latex degassing device comprises the following steps: firstly, the latex to be degassed is sent into a three-way pipe, and superheated water vapor is introduced into the three-way pipe to mix and heat the latex, and then it is sent into a tank body; the degassed gas rises and enters a primary gas-liquid separator through an exhaust pipe, and the steam enters a water cooler from the upper part; part of the latex separated by the tank body is discharged from the discharge pipe of the tank body and merged with the residual latex removed by the primary gas-liquid separator, and sent together to a chain breaking or post-processing process.
[0014] The beneficial effect of the present invention is that a polarizing block capable of generating vibration is arranged in the tank body, so that part of the foam in the latex is directly shattered, while accelerating the floating speed of the foam in the latex, increasing the foam bursting rate when the vacuum pump is evacuating air, and achieving high degassing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the main cross-sectional structure of this application.
[0016] Figure 2 It is a schematic diagram of the main cross-sectional structure of the vibration shell.
[0017] Figure 3 It is a schematic diagram of the main cross-sectional structure of the first spring seat.
[0018] Figure 4 It is a schematic diagram of the main cross-sectional structure of the tank body.
[0019] Figure 5 It is a schematic diagram of the front cross-sectional structure of the first airbag.
[0020] Figure 6 It is a schematic diagram of the front cross-sectional structure of the second airbag.
[0021] Figure 7 It is a schematic diagram of the three-dimensional structure of the first connecting rod.
[0022] Figure 8 It is a schematic diagram of the three-dimensional structure of the second airbag.
[0023] Fig. 9 It is a schematic diagram of the three-dimensional structure of the vertical rod.
[0024] Fig.10 It is a schematic diagram of the main cross-sectional structure of the ring seat.
[0025] Fig.11 It is a schematic diagram of the three-dimensional structure of the ring seat.
[0026] Fig.12 It is a schematic diagram of the main cross-sectional structure of the scraper ring.
[0027] Fig.13 It is a schematic diagram of the main cross-sectional structure of the rotating plate.
[0028] Fig.14 It is a schematic diagram of the three-dimensional structure of the rotating plate.
[0029] Fig.15 It is a schematic diagram of the main structure of the vertical needle.
[0030] Fig.16 It is a schematic diagram of the main cross-sectional structure of the filter.
[0031] Fig.17It is a schematic diagram of the main structure of the straight rod.
[0032] Fig.18 It is a schematic diagram of the three-dimensional structure of the casing.
[0033] Fig.19 It is a schematic diagram of the three-dimensional structure of a rounded rectangular frame.
[0034] Fig. 20 It is a schematic diagram of the main cross-sectional structure of the heating plate.
[0035] Fig.21 It is a schematic diagram of the three-dimensional structure of the heating plate.
[0036] Fig. 22 It is a schematic diagram of the main cross-sectional structure of the second porous plate.
[0037] Fig.23 It is a schematic diagram of the cross-sectional structure of the chassis from top view.
[0038] Fig.24 It is a schematic diagram of the three-dimensional structure of the compression sleeve.
[0039] Fig.25 Schematic diagram of the three-dimensional structure of the guide seat.
[0040] Fig.26 This is the degassing process flow chart.
[0041] In the figure: 1, tank body; 2, motor seat; 3, first spring seat; 4, second spring seat; 5, first spring; 6, rubber bellows; 7, vibration shell; 8, ball bearing; 9, rotating shaft; 10, polarization block; 11, first motor; 12, vertical tube body; 13, top cover; 14, bottom cover; 15, feed pipe; 16, impact nozzle; 17, three-way pipe; 18, exhaust pipe; 19, discharge pipe; 20, liner; 21, interlayer; 22, exhaust channel; 23, branch pipe; 24, cover plate; 25, first air inlet pipe; 26, first valve; 27, first air bag; 28, First porous plate; 29, first air hole; 30, second air hole; 31, first shaft; 32, first connecting rod; 33, second connecting rod; 34, first roller; 35, second roller; 36, second shaft; 37, third connecting rod; 38, third shaft; 39, fourth shaft; 40, fourth connecting rod; 41, ear seat; 42, second air bag; 43, second air inlet pipe; 44, second valve; 45, U-shaped seat; 46, pull rope; 47, vertical rod; 48, straight section; 49, spiral section; 50, third spring seat; 51, second spring; 52, ring seat; 53, cross Support rod; 54, shrinking groove; 55, scraper ring; 56, fifth shaft rod; 57, shaft seat; 58, rotating plate; 59, counterweight; 60, first limit block; 61, second limit block; 62, sixth shaft rod; 63, fifth connecting rod; 64, pressure rod; 65, fourth spring seat; 66, fourth spring; 67, fifth spring seat; 68, seventh shaft rod; 69, vertical needle; 70, straight rod; 71, fifth spring; 72, sleeve; 73, filter screen; 74, sixth spring; 75, positioning nut; 76, rounded rectangular frame; 77, sixth connecting rod; 78, sleeve; 79, inlet Liquid pipe; 80, liquid outlet pipe; 81, heating plate; 82, light hole; 83, opening hole; 84, vertical pipe; 85, second porous plate; 86, cover shell; 87, diaphragm; 88, sliding pipe; 89, lower cover; 90, telescopic rod; 91, push plate; 92, horizontal pipe; 93, pressure pipe sleeve; 94, chassis; 95, pipe interface; 96, rubber tube; 97, guide seat; 98, U-shaped groove; 99, box cover; 100, main shaft; 101, second motor; 102, hexagonal seat; 103, bearing seat; 104, pressure roller; 105, water cooler; 106, primary gas-liquid separator. DETAILED DESCRIPTION
[0042] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0043] In the description of the present invention, it is necessary to understand that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0044] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth" and "seventh" are used for descriptive purposes only and shall not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features.
[0045] In the description of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0046] like Figure 1~Figure 3 As shown, a chloroprene latex degassing device comprises a tank body 1, a motor seat 2 is installed at the bottom of the tank body 1, the motor seat 2 is a barrel-shaped structure, the opening of the motor seat 2 is downward and located outside the tank body 1; a first spring seat 3 is installed on the top surface of the motor seat 2, a second spring seat 4 is slidably connected to the first spring seat 3, and a first spring 5 is installed between the first spring seat 3 and the second spring seat 4; a rubber bellows 6 is installed between the first spring seat 3 and the second spring seat 4, and the rubber bellows 6 can prevent latex from entering the first spring 5; a vibration shell 7 is installed on the top surface of the second spring seat 4, and a ball bearing 8 is rotatably connected to the inner cavity of the vibration shell 7, and the number of the ball bearings 8 is 2, and the ball bearings 8 are arranged on the top surface of the second spring seat 4. A rotating shaft 9 is rotatably connected, and a polarization block 10 is connected to the side wall of the rotating shaft 9. There are two polarization blocks 10, which are arranged in an alternating manner. The lower end of the rotating shaft 9 extends into the motor base 2, and the lower end of the rotating shaft 9 is connected to a first motor 11, and the first motor 11 is fixed to the inner top surface of the motor base 2; starting the first motor 11 drives the rotating shaft 9 to rotate, and then the polarization block 10 on the rotating shaft 9 rotates, and the vibration shell 7 generates vibration; the present application sets a polarization block 10 that can generate vibration in the tank body 1, so that part of the foam in the latex is directly shattered, and at the same time accelerates the floating speed of the foam in the latex, improves the foam bursting rate when the vacuum pump is evacuated, and has high degassing efficiency.
[0047] like Figure 4As shown, as an optimization of the embodiment, the tank body 1 includes a vertical tube body 12, a top cover 13, and a bottom cover 14. The upper side wall of the vertical tube body 12 is connected to a feed pipe 15, and the feed pipe 15 is horizontally arranged. The feed pipe 15 inside the vertical tube body 12 is connected to an impact nozzle 16, and the feed pipe 15 outside the vertical tube body 12 is connected to a tee pipe 17, and the upper pipe mouth of the tee pipe 17 is used to input latex to be degassed, and the horizontal pipe mouth of the tee pipe 17 is used to input steam; the upper port of the vertical tube body 12 is connected to the top cover 13 through a flange, and an exhaust pipe 18 is installed on the top cover 13; the lower port of the vertical tube body 12 is connected to the bottom cover 14 through a flange, and the bottom cover 14 is used to install a motor seat 2, and the bottom cover 14 is connected to a discharge pipe 19.
[0048] like Figure 5 As shown, as an optimization of the embodiment, considering that latex is not added to the upper space of the tank body 1, but this part of the air also needs to be discharged during degassing, which increases the vacuum pump's evacuation time, the top cover 13 includes an inner liner 20, an interlayer 21, the outer wall of the inner liner 20 is connected with the interlayer 21, and an exhaust channel 22 is formed between the interlayer 21 and the inner liner 20; the upper end of the interlayer 21 is connected with a branch pipe 23, the lower end of the branch pipe 23 passes through the inner liner 20, and the upper end of the branch pipe 23 is fixed with a cover plate 24 by bolts, the cover plate 24 is connected with a first air inlet pipe 25, and the first air inlet pipe 25 located outside the cover plate 24 is installed with a first valve 26; the first air inlet pipe 25 located inside the cover plate 24 is sleeved with a first air bag 27; the inner liner 20 The inner wall is connected to a first porous plate 28, which is arc-shaped and can control the expansion degree of the first airbag 27 to prevent the first airbag 27 from exploding; the branch pipe 23 outside the interlayer 21 is used to connect the exhaust pipe 18, and the side wall of the branch pipe 23 is provided with a first air hole 29 connected to the exhaust channel 22, and the side wall of the liner 20 is provided with a second air hole 30 connected to the exhaust channel 22, and the second air hole 30 is located below the first porous plate 28. By injecting air into the first airbag 27, the upper part of the space of the tank body 1 is occupied, and there is no need to extract excess air, which reduces the exhaust time of the vacuum pump, and the expanded first airbag 27 will not enter the branch pipe 23, thus ensuring normal degassing operation.
[0049] like Figure 6~Figure 8As shown, as an optimization of the embodiment, considering that vibration is only generated around the vibration shell 7, in order to expand the vibration range, a first shaft rod 31 is installed on the upper side wall of the vibration shell 7, and a first connecting rod 32 and a second connecting rod 33 are rotatably connected to the first shaft rod 31. The number of the first connecting rods 32 is 2, and the number of the second connecting rods 33 is 2. The free end of the first connecting rod 32 is rotatably connected to the first roller 34, and the free end of the second connecting rod 33 is rotatably connected to the second roller 35. When the angle between the first connecting rod 32 and the second connecting rod 33 becomes larger, the first roller 34 and the second roller 35 are rotated. 5 is against the inner wall of the tank body 1, and the first roller 34 and the second roller 35 are higher than the first shaft rod 31; the waist of the first shaft rod 31 is connected to the second shaft rod 36, the second shaft rod 36 is rotatably connected to the third connecting rod 37, and the free end of the third connecting rod 37 is rotatably connected to the third shaft rod 38; the waist of the second shaft rod 36 is connected to the fourth shaft rod 39, the fourth shaft rod 39 is rotatably connected to the fourth connecting rod 40, and the free end of the fourth connecting rod 40 is rotatably connected to the third shaft rod 38; the third shaft rod 38 is installed with an ear seat 41, and the top surface of the ear seat 41 is installed with a second air bag 42, The air inlet end of the second airbag 42 is connected to a second air inlet pipe 43, the free end of the second air inlet pipe 43 extends outside the tank body 1, and a second valve 44 is installed on the second air inlet pipe 43 outside the tank body 1; the inner wall of the tank body 1 is fixed with a U-shaped seat 45 arranged at an equal angle by screws, the bifurcated arm of the U-shaped seat 45 is connected to the tank body 1, and the vertical section of the U-shaped seat 45 forms an annular space, which is used to accommodate the second airbag 42, and a plurality of pull ropes 46 are installed on the top and bottom surfaces of the second airbag 42, and the free ends of the pull ropes 46 are connected to the U-shaped seat 45. In the initial state, the second airbag 4 2 is in an airless state, the first roller 34 and the second roller 35 do not contact the tank body 1. When degassing, the second valve 44 is opened, and the air outside the tank body 1 is sucked into the second airbag 42. The second airbag 42 expands from both sides, and the ear seat 41 pushes the third connecting rod 37 and the fourth connecting rod 40 to open. The first roller 34 and the second roller 35 are against the tank body 1, and the vibration of the vibration shell 7 is transmitted along the first connecting rod 32, the second connecting rod 33, the third connecting rod 37, and the fourth connecting rod 40, and then the surface of the second airbag 42 also vibrates, which expands the vibration range and accelerates the degassing efficiency.
[0050] like Fig. 9 As shown, as an optimization of the embodiment, the second shaft 36 and the fourth shaft 39 are rotatably connected with a vertical rod 47, and the vertical rod 47 is composed of a straight section 48 and a spiral section 49 arranged from top to bottom. The vertical rod 47 penetrates into the bottom of the tank body 1 to transmit the vibration downward, thereby accelerating the degassing efficiency.
[0051] like Figure 10~Figure 12As shown, as an optimization of the embodiment, considering that after the latex is loaded into the tank body 1, the foam is concentrated on the liquid surface of the latex, and part of the foam will be coated on the inner wall of the tank body 1, the inner wall of the tank body 1 is connected to a plurality of third spring seats 50, and the third spring seats 50 are arranged at equal angles. The third spring seats 50 are located below the feed pipe 15, and the bottom surface of the third spring seat 50 is connected to the second spring 51. The lower end of the second spring 51 is connected to a ring seat 52, and the ring seat 52 is located above the U-shaped seat 45. The ring seat 5 2 is connected to the inner wall of the ring seat 52 with a cross support rod 53, the cross support rod 53 is used to block the inflated second airbag 42, the outer wall of the ring seat 52 is provided with a shrinking groove 54, the shape of the shrinking groove 54 is annular, and a scraper ring 55 is installed on the shrinking groove 54. The scraper ring 55 is made of rubber and is slidably adapted to the inner wall of the tank body 1. Cleaning process: after the second airbag 42 is inflated, the cross support rod 53 is pushed up, and then the scraper ring 55 cleans the foam on the inner wall of the tank body 1.
[0052] like Fig.13 and Fig.14 As shown, as an optimization of the embodiment, considering that the latex enters the tank body 1 and directly impacts the inner wall of the tank body 1, the inner wall of the tank body 1 is connected with a fifth shaft rod 56, and the fifth shaft rod 56 is located in the middle of the tank body 1. The fifth shaft rod 56 is rotatably connected with an axle seat 57, and the axle seat 57 is connected with a rotating plate 58, and the axle seat 57 is located in the middle of the rotating plate 58, so that the rotating plate 58 forms a seesaw structure; the rotating plate 58 is located above the third spring seat 50, and the shape of the rotating plate 58 is circular, and a counterweight block 59 is connected to the left bottom surface of the rotating plate 58, and the counterweight block 59 makes the rotating plate 58 have a tendency to rotate left; the fifth shaft rod 56 is fixedly connected with a first limit block 60, and the shape of the first limit block 60 is a 6-shaped, and the inner wall of the tank body 1 is fixedly connected with a second limit block 61, and the shape of the second limit block 61 is a 6-shaped. shape, the second limit block 61 can prevent the first limit block 60 from rotating beyond the stroke, thereby limiting the rotation angle of the rotating plate 58; the inner wall of the tank body 1 is connected with a sixth shaft rod 62, and the sixth shaft rod 62 is rotatably connected with a fifth connecting rod 63, and the free end of the fifth connecting rod 63 is connected with a pressure rod 64, and the pressure rod 64 is against the right top surface of the rotating plate 58; the fifth connecting rod 63 is installed with a fourth spring seat 65, and the fourth spring seat 65 is connected with a fourth spring 66, and the free end of the fourth spring 66 is connected with a fifth spring seat 67, and the fifth spring seat 67 is rotatably connected with a seventh shaft rod 68, and the seventh shaft rod 68 is connected to the inner wall of the tank body 1, and the seventh shaft rod 68 is located above the fifth shaft rod 56. The impact nozzle 16 hits the latex on the top surface of the rotating plate 58, which can shatter part of the foam and reduce the erosion of the tank body 1 by the latex.
[0053] like Fig.15As shown, as an optimization of the embodiment, considering that the latex liquid level is located below the rotating plate 58, foam will be concentrated on the liquid surface, and the bottom surface of the rotating plate 58 is connected with evenly arranged vertical needles 69. The rotating plate 58 is pushed to swing by the impact nozzle 16, and the vertical needles 69 can pierce the foam and accelerate the degassing rate.
[0054] like Figure 16~Figure 18 As shown, as an optimization of the embodiment, considering that steam needs to condense, a straight rod 70 is connected to the bottom surface of the first porous plate 28, a fifth spring 71 is sleeved on the straight rod 70, a sleeve 72 is connected to the lower end of the fifth spring 71, a side wall of the sleeve 72 is connected to a plurality of filter screens 73, the filter screens 73 are arranged from top to bottom, a sixth spring 74 is connected to the lower end of the sleeve 72, the sixth spring 74 is sleeved on the straight rod 70, a positioning nut 75 is threadedly connected to the lower end of the straight rod 70, and the positioning nut 75 is in elastic contact with the sixth spring 74; when steam passes through the filter screen 73, it will condense into water.
[0055] like Fig.19 As shown, as an optimization of the embodiment, considering that the steam falls by its own weight after condensation, which affects the steam pass rate, a rounded rectangular frame 76 is slidably connected to the filter screen 73 located at the bottom layer, and the lower end of the rounded rectangular frame 76 is connected to the sixth connecting rod 77, and the lower end of the sixth connecting rod 77 is connected to the shaft sleeve 78, and the shaft sleeve 78 is rotatably connected to the pressure rod 64. The impact nozzle 16 hits the latex on the top surface of the rotating plate 58, and the fluctuating rotating plate 58 makes the position of the pressure rod 64 change adaptively, and then the sixth connecting rod 77 drives the filter screen 73 to produce up and down reciprocating motion, thereby accelerating the falling of condensed water and improving the steam pass rate.
[0056] like Fig. 20 and Fig.21 As shown, as an optimization of the embodiment, taking into account the fluidity problem of latex in the tank body 1, the bottom of the tank body 1 is connected with a liquid inlet pipe 79 and a liquid outlet pipe 80, and a heating plate 81 is installed in the gap between the liquid inlet pipe 79 and the liquid outlet pipe 80. The interior of the heating plate 81 is a cavity structure, and the center of the heating plate 81 has a light hole 82, which is adapted to the motor base 2. The side of the heating plate 81 has an opening hole 83, and the opening hole 83 ensures the downward flow of the latex. By setting the heating plate 81, the temperature of the latex can be increased, the fluidity of the latex can be ensured, and the problem of latex solidification in the tank body 1 can be avoided.
[0057] like Fig. 22As shown, as an optimization of the embodiment, considering the above-mentioned vacuum form, the bubbles are eliminated slowly, especially the bubbles at the position of the discharge pipe 19, and a vertical pipe 84 is installed on the side wall of the discharge pipe 19, and a second porous plate 85 is fixed to the port of the vertical pipe 84, and the arc surface of the second porous plate 85 protrudes upward; a cover 86 is connected to the vertical pipe 84 through a flange, and a diaphragm 87 is installed in the gap between the cover 86 and the vertical pipe 84, and the diaphragm 87 is expanded and abuts against the second porous plate 85; a slide pipe 88 is installed on the cover 86; the lower end of the slide pipe 88 The opening is threadedly connected to a lower cover 89; a telescopic rod 90 is connected to the lower cover 89 by bolts, and the telescopic rod 90 can be selected from one of a hydraulic cylinder, a pneumatic cylinder and an electric rod; a push plate 91 is connected to the piston end of the telescopic rod 90, and the push plate 91 is slidably fitted with the sliding tube 88. The push plate 91 is driven by the telescopic rod 90 to do reciprocating motion up and down. When rising, the diaphragm 87 is against the second porous plate 85, and when descending, the diaphragm 87 is reset to a horizontal state, thereby realizing the stirring of the latex, degassing at the end where the latex flows out, and accelerating the elimination of foam.
[0058] like Figure 23~Figure 25 As shown, as an optimization of the embodiment, considering the above-mentioned vacuum form, the bubble elimination is slow, the side wall of the tank body 1 is connected with a transverse tube 92, the number of the transverse tubes 92 is 2, and the 2 transverse tubes 92 are arranged oppositely; the transverse tube 92 is connected with a compression sleeve 93 through a flange, and the compression sleeve 93 is connected with a chassis 94 through a flange, and the chassis 94 has 2 pipe interfaces 95 connected with the compression sleeve 93, and the 2 pipe interfaces 95 are connected with a rubber tube 96, and the shape of the rubber tube 96 is U-shaped, and the angle of the rubber tube 96 is rounded; a guide seat 97 is installed in the chassis 94, and the shape of the guide seat 97 is U-shaped, and the inner side wall of the guide seat 97 is provided with a U-shaped groove 98, and the U-shaped groove 98 is used to accommodate the rubber tube 96; the chassis 94 is connected with a box cover 99 through bolts; the box cover 9 9 is rotatably connected with a main shaft 100, which is driven by a second motor 101, and the second motor 101 is connected to the box cover 99; a hexagonal seat 102 is connected to the side wall of the main shaft 100 located in the chassis 94, and a bearing seat 103 is bolted to the hexagonal seat 102, and the number of bearing seats 103 is 3, and the 3 bearing seats 103 are arranged at equal angles; a pressure roller 104 is rotatably connected to the bearing seat 103, and the pressure roller 104 is in rolling contact with the rubber tube 96 to transport the latex in the rubber tube 96 in one direction; stirring process: the second motor 101 drives the pressure roller 104 to start rotating, and the pressure roller 104 unidirectionally squeezes and transports the latex in the tank body 1 to form a circulation. This stirring method can crush the foam, and the low-speed stirring drives the latex in the lower and upper layers to churn.
[0059] like Fig.26As shown, further, a degassing method using the above-mentioned chloroprene latex degassing device is proposed, comprising the following steps: first, the latex to be degassed is fed into the tee 17, and superheated water vapor is introduced into the tee 17 to mix and heat the latex, and then fed into the tank body 1; the degassed gas rises through the exhaust pipe 18 and enters the primary gas-liquid separator 106, and the steam enters the water cooler 105 from the upper part, and part of the latex separated by the tank body 1 is discharged from the discharge pipe 19 of the tank body 1, and merges with the residual latex removed by the primary gas-liquid separator 106, and is sent to the chain breaking or post-processing process together.
[0060] Although the present invention has been described in detail with reference to the aforementioned examples, it is still possible for those skilled in the art to make and modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A chloroprene latex degassing device, comprising a tank body (1), characterized in that: The bottom of the tank body (1) is provided with a motor seat (2); the top surface of the motor seat (2) is provided with a first spring seat (3), a second spring seat (4) is slidably connected to the first spring seat (3), a first spring (5) is provided between the first spring seat (3) and the second spring seat (4); a rubber bellows (6) is provided between the first spring seat (3) and the second spring seat (4); the top surface of the second spring seat (4) is provided with a vibration shell (7), the inner cavity of the vibration shell (7) is rotatably connected to a ball bearing (8), a rotating shaft (9) is rotatably connected to the ball bearing (8), a side wall of the rotating shaft (9) is provided with a polarizing block (10), the lower end of the rotating shaft (9) extends into the motor seat (2), the lower end of the rotating shaft (9) is provided with a first motor (11), and the first motor (11) The vibration housing (7) is fixed to the inner top surface of the motor base (2); the upper side wall of the vibration housing (7) is provided with a first shaft rod (31), the first shaft rod (31) is rotatably connected to a first connecting rod (32) and a second connecting rod (33), the free end of the first connecting rod (32) is rotatably connected to a first roller (34), and the free end of the second connecting rod (33) is rotatably connected to a second roller (35); the waist of the first shaft rod (31) is provided with a second shaft rod (36), the second shaft rod (36) is rotatably connected to a third connecting rod (37), and the free end of the third connecting rod (37) is rotatably connected to a third shaft rod (38); the waist of the second shaft rod (36) is provided with a fourth shaft rod (39), the fourth shaft rod (39) is rotatably connected to a fourth connecting rod (40), and the fourth connecting rod (41) is rotatably connected to the fourth connecting rod (42). The free end of the rod (40) is rotatably connected to the third shaft (38); an ear seat (41) is provided on the third shaft (38); a second air bag (42) is provided on the top surface of the ear seat (41); a second air inlet pipe (43) is provided at the air inlet end of the second air bag (42); the free end of the second air inlet pipe (43) extends outside the tank body (1); a second valve (44) is provided on the second air inlet pipe (43) outside the tank body (1); a U-shaped seat (45) arranged at equal angles is provided on the inner wall of the tank body (1); a bifurcated arm of the U-shaped seat (45) is connected to the tank body (1); a vertical section of the U-shaped seat (45) forms an annular space for accommodating the second air bag (42); a plurality of drawstrings (46) are provided on the top and bottom surfaces of the second air bag (42) , the free end of the pull rope (46) is connected to the U-shaped seat (45); the tank body (1) comprises a vertical tube body (12), a top cover (13), and a bottom cover (14); a feed pipe (15) is provided on the upper side wall of the vertical tube body (12); the feed pipe (15) is arranged horizontally; an impact nozzle (16) is provided on the feed pipe (15) located inside the vertical tube body (12); a three-way pipe (17) is provided on the feed pipe (15) located outside the vertical tube body (12); a top cover (13) is provided on the upper end of the vertical tube body (12); an exhaust pipe (18) is provided on the top cover (13); a bottom cover (14) is provided on the lower end of the vertical tube body (12); a motor seat (2) is mounted on the bottom cover (14); a discharge pipe (19) is provided on the bottom cover (14);The top cover (13) comprises an inner liner (20) and an interlayer (21). The outer wall of the inner liner (20) is provided with the interlayer (21), and an air extraction channel (22) is formed between the interlayer (21) and the inner liner (20). A branch pipe (23) is provided at the upper end of the interlayer (21), and the lower end of the branch pipe (23) penetrates the inner liner (20). A cover plate (24) is provided at the upper end of the branch pipe (23), and a first air inlet pipe (25) is provided on the cover plate (24). The first air inlet pipe (25) located outside the cover plate (24) is provided with a first valve (2 6); a first air bag (27) is sleeved on the first air inlet pipe (25) located inside the cover plate (24); a first porous plate (28) is provided on the inner wall of the inner liner (20); a branch pipe (23) located outside the interlayer (21) is used to connect to the exhaust pipe (18); a first air hole (29) connected to the exhaust channel (22) is provided on the side wall of the branch pipe (23); a second air hole (30) connected to the exhaust channel (22) is provided on the side wall of the inner liner (20); the second air hole (30) is located below the first porous plate (28). ; 2. A chloroprene latex degassing device according to claim 1, characterized in that: A vertical rod (47) is rotatably connected to the second shaft rod (36) and the fourth shaft rod (39), and the vertical rod (47) is composed of a straight line segment (48) and a spiral segment (49) arranged from top to bottom.
3. A chloroprene latex degassing device according to claim 1, characterized in that: The inner wall of the tank body (1) is provided with a plurality of third spring seats (50), the third spring seats (50) are arranged at equal angles, the third spring seats (50) are located below the feed pipe (15), the bottom surface of the third spring seat (50) is provided with a second spring (51), the lower end of the second spring (51) is provided with a ring seat (52), the ring seat (52) is located above the U-shaped seat (45), the inner side wall of the ring seat (52) is provided with a cross support rod (53), the cross support rod (53) is used to block the inflated second air bag (42), the outer side wall of the ring seat (52) is provided with a shrinking groove (54), the shrinking groove (54) is provided with a scraper ring (55), and the scraper ring (55) is slidably matched with the inner wall of the tank body (1).
4. A chloroprene latex degassing device according to claim 1, characterized in that: The inner wall of the tank body (1) is provided with a fifth shaft rod (56), the fifth shaft rod (56) is located in the middle of the tank body (1), and the fifth shaft rod (56) is rotatably connected to an axle seat (57), and a rotating plate (58) is provided on the axle seat (57), and the axle seat (57) is located in the middle of the rotating plate (58), so that the rotating plate (58) forms a seesaw structure; the rotating plate (58) is located above the third spring seat (50), and a counterweight block (59) is provided on the left bottom surface of the rotating plate (58); the inner wall of the tank body (1) is provided with a sixth shaft rod (62), and the sixth shaft rod (62) is rotatably connected to a fifth connecting rod (63) ), a pressure rod (64) is provided at the free end of the fifth connecting rod (63), and the pressure rod (64) is against the right top surface of the rotating plate (58); a fourth spring seat (65) is provided on the fifth connecting rod (63), a fourth spring (66) is provided on the fourth spring seat (65), and a fifth spring seat (67) is provided at the free end of the fourth spring (66), and a seventh shaft rod (68) is rotatably connected to the fifth spring seat (67), the seventh shaft rod (68) is connected to the inner wall of the tank body (1), and the seventh shaft rod (68) is located above the fifth shaft rod (56), and the impact nozzle (16) hits the latex on the top surface of the rotating plate (58).
5. A chloroprene latex degassing device according to claim 4, characterized in that: The bottom surface of the rotating plate (58) is provided with evenly arranged vertical pins (69).
6. A chloroprene latex degassing device according to claim 1, characterized in that: A straight rod (70) is provided on the bottom surface of the first porous plate (28), a fifth spring (71) is sleeved on the straight rod (70), a sleeve (72) is provided at the lower end of the fifth spring (71), a plurality of filter screens (73) are provided on the side wall of the sleeve (72), the filter screens (73) are arranged from top to bottom, a sixth spring (74) is provided at the lower end of the sleeve (72), the sixth spring (74) is sleeved on the straight rod (70), a positioning nut (75) is threadedly connected to the lower end of the straight rod (70), and the positioning nut (75) is in elastic contact with the sixth spring (74).
7. A degassing method using the chloroprene latex degassing device according to any one of claims 1 to 6, comprising the following steps, characterized in that: First, the latex to be degassed is sent into a three-way pipe (17), and superheated steam is introduced into the three-way pipe (17) to mix and heat the latex, and then sent into the tank body (1); the degassed gas rises through the exhaust pipe (18) and enters the primary gas-liquid separator (106), and the steam enters the water cooler (105) from the top. Part of the latex separated by the tank body (1) is discharged from the discharge pipe (19) of the tank body (1) and merged with the residual latex removed by the primary gas-liquid separator (106), and sent together to the chain breaking or post-processing process.
Citation Information
Patent Citations
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