CN111070458A - Banburying device of rubber and plastic heat-insulating material production system - Google Patents

Banburying device of rubber and plastic heat-insulating material production system Download PDF

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Publication number
CN111070458A
CN111070458A CN201811227726.3A CN201811227726A CN111070458A CN 111070458 A CN111070458 A CN 111070458A CN 201811227726 A CN201811227726 A CN 201811227726A CN 111070458 A CN111070458 A CN 111070458A
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CN
China
Prior art keywords
pipe
absorption tower
internal mixing
cavity
connecting pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811227726.3A
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Chinese (zh)
Inventor
甘树森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Hengxiang Technology Ltd
Original Assignee
Hubei Hengxiang Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei Hengxiang Technology Ltd filed Critical Hubei Hengxiang Technology Ltd
Priority to CN201811227726.3A priority Critical patent/CN111070458A/en
Publication of CN111070458A publication Critical patent/CN111070458A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/183—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft having a casing closely surrounding the rotors, e.g. of Banbury type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/10—Inorganic absorbents

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses an internal mixing device of a rubber and plastic heat-insulating material production system, which comprises: the internal mixing device comprises an internal mixing device body and a gas absorption device, wherein the internal mixing device body comprises a feeding box, an internal mixing box, a stirring rotor and a motor, and the feeding box and the internal mixing box are arranged up and down and are communicated with each other; the gas absorption device comprises an absorption tower, an air distribution plate, an exhaust pipe, a drain pipe, a fan, an exhaust pipe, a packing layer, an air injection pipe and a spray pipe, wherein the air distribution plate is arranged in the absorption tower and divides an inner cavity of the absorption tower into an upper cavity and a lower cavity which are arranged up and down, and a plurality of sieve holes for communicating the upper cavity with the lower cavity are uniformly arranged on the air distribution plate; a water cooling groove which is formed by sinking the lower cavity is formed in the side wall of the bottom of the absorption tower; and the fan discharges the toxic and harmful gas generated in the internal mixing device body into the absorption tower through the air exhaust pipe and the air injection pipe, and the toxic and harmful gas is absorbed by the absorption liquid in the absorption tower.

Description

Banburying device of rubber and plastic heat-insulating material production system
Technical Field
The invention relates to an internal mixing device, in particular to an internal mixing device of a rubber and plastic heat-insulating material production system.
Background
The internal mixing device is a machine which is provided with a pair of stirring rotors with specific shapes and rotating relatively and performs plastication and mixing on polymer materials in a clearance manner under the closed state with adjustable temperature and pressure; the plastic can produce more poisonous and harmful gas in the banburying process, and the poisonous and harmful gas leaked from the mechanical connection gap can cause harm to the health of workers.
Disclosure of Invention
The invention aims to overcome the technical defects and provides an internal mixing device of a rubber and plastic heat-insulating material production system, which solves the technical problems that more toxic and harmful gases are generated during the internal mixing process of plastic in the prior art, and the leaked toxic and harmful gases can cause harm to the health of workers.
In order to achieve the technical purpose, the technical scheme of the invention provides an internal mixing device of a rubber and plastic heat-insulating material production system, which comprises the following components: the internal mixing device comprises an internal mixing device body and a gas absorption device, wherein the internal mixing device body comprises a feeding box, an internal mixing box, two stirring rotors and a motor, the feeding box and the internal mixing box are arranged up and down and are communicated with each other, the two stirring rotors are arranged in parallel, each stirring rotor comprises a stirring rotor body and a connecting shaft, and the stirring rotor bodies are arranged in the internal mixing box; the connecting shaft is coaxially fixed at one end of the stirring rotor body, and the free end of the connecting shaft penetrates out of the banburying box; the number of the motors is two, and the driving shafts of the two motors are in one-to-one correspondence to be in driving connection with the free ends of the two connecting shafts; the gas absorption device comprises an absorption tower, an air distribution plate, an exhaust pipe, a drain pipe, a fan, an exhaust pipe, a packing layer, an air injection pipe and a spray pipe, wherein the air distribution plate is arranged in the absorption tower and divides an inner cavity of the absorption tower into an upper cavity and a lower cavity which are arranged up and down, and a plurality of sieve holes for communicating the upper cavity with the lower cavity are uniformly arranged on the air distribution plate; the spray pipe is arranged in the middle of the upper cavity; the exhaust pipe is communicated with the top of the upper cavity; the drain pipe is communicated with the bottom of the lower cavity; the gas injection pipe comprises a first connecting pipe and a second connecting pipe, the first connecting pipe is horizontally arranged, and one end of the first connecting pipe penetrates through the side wall of the absorption tower and is communicated with the lower cavity; the second connecting pipe is formed by bending one end of the first connecting pipe, which is arranged in the lower cavity, downwards; the fan is arranged outside the absorption tower, and the air outlet end of the fan is communicated with one end of the first connecting pipe arranged outside the absorption tower; one end of the air exhaust pipe is communicated with the inner cavity of the feeding box, and the other end of the air exhaust pipe is communicated with the air inlet end of the fan;
wherein, a water cooling groove which is formed by sinking the lower cavity is arranged on the side wall of the bottom of the absorption tower; the two motors are arranged in the water cooling tank.
Compared with the prior art, the invention has the beneficial effects that: the fan discharges the toxic and harmful gas generated in the internal mixing device body into the absorption tower through the air exhaust pipe and the air injection pipe and is absorbed by the absorption liquid in the absorption tower, so that the concentration of the toxic and harmful gas in the internal mixing device body is reduced, and the harm to the health of workers caused by the leakage of high-concentration toxic and harmful gas is avoided; the high temperature of banburying process can lead to the fact the harm to the motor through heat-conduction, the water-cooling tank is right the motor plays the cooling effect.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
FIG. 2 is a schematic top view of the apparatus for removing gas in example 1 of the present invention, the charging box and the banburying box.
Fig. 3 is a schematic perspective view of a liquid level sealing mechanism in embodiment 1 of the present invention.
Fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 5 is a partially enlarged schematic view at a in fig. 4.
FIG. 6 is a schematic internal perspective view of a gas lance in example 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
referring to fig. 1 to 3, the present embodiment provides an internal mixing device for a rubber and plastic heat insulation material production system, including: banburying device body 1 and gas absorption device 2.
The internal mixing device body 1 comprises a feeding box 11, an internal mixing box 12, two stirring rotors 13 and a motor 14, wherein the feeding box 11 and the internal mixing box 12 are arranged up and down and are communicated with each other, the two stirring rotors 13 are arranged in parallel, each stirring rotor 13 comprises a stirring rotor body 131 and a connecting shaft 132, and the stirring rotor bodies 131 are arranged in the internal mixing box 12; the connecting shaft 132 is coaxially fixed at one end of the stirring rotor body 131, and the free end of the connecting shaft 132 penetrates out of the internal mixing box 12; the number of the motors 14 is two, the driving shafts of the motors 14 correspond to the free ends of the connecting shafts 132 in a one-to-one manner, and specifically, the driving shafts of the motors 14 are connected with the connecting shafts 132 through the couplers a, so that the effects of buffering, vibration reduction and improvement of shafting dynamic performance are achieved.
The gas absorption device 2 comprises an absorption tower 21, an air distribution plate 22, an exhaust pipe 23, a drain pipe 24, a fan 25, an exhaust pipe 26, an air injection pipe 27, a spray pipe 28, a liquid level sealing mechanism 29 and a packing layer 2a, wherein the air distribution plate 22 is arranged in the absorption tower 21 and divides the inner cavity of the absorption tower 21 into an upper cavity and a lower cavity which are arranged up and down, and a plurality of sieve holes communicating the upper cavity with the lower cavity are uniformly arranged on the air distribution plate 22; the spray pipe 28 is arranged in the middle of the upper cavity; the exhaust pipe 23 is communicated with the top of the upper cavity; the drain pipe 24 is communicated with the bottom of the lower cavity; the gas injection pipe 27 includes a first connection pipe 271 and a second connection pipe 272, the first connection pipe 271 being horizontally arranged and having one end penetrating the sidewall of the absorption tower 21 and communicating with the lower chamber; the second connection pipe 272 is formed by bending one end of the first connection pipe 271 placed in the lower cavity downward; the fan 25 is arranged outside the absorption tower 21, and an air outlet end of the fan 21 is communicated with one end of the first connecting pipe 271 arranged outside the absorption tower 21; one end of the air suction pipe 26 is communicated with the inner cavity of the feeding box 11, and the other end of the air suction pipe 26 is communicated with the air inlet end of the fan 25; the packing layer 2a is arranged in the upper cavity, and the packing layer 2a is arranged below the spray pipe 28; the air distribution plate 22 is supported at the bottom of the filler layer 2 a.
Wherein, a water cooling groove b which is formed by sinking into the lower cavity is arranged on the side wall of the bottom of the absorption tower 21; the two motors 14 are arranged in the water cooling tank b.
The fan 25 discharges the poisonous and harmful gas generated in the internal mixing device body 1 into the absorption tower 21 through the air exhaust pipe 26 and the air injection pipe 27, and the poisonous and harmful gas is absorbed by the absorption liquid in the absorption tower 21, so that the concentration of the poisonous and harmful gas in the internal mixing device body 1 is reduced, the harm to the health of workers caused by the leakage of high-concentration poisonous and harmful gas is avoided, specifically, the fan 25 discharges the poisonous and harmful gas generated in the internal mixing device body 1 into the lower cavity through the air exhaust pipe 26 and the air injection pipe 27, the poisonous and harmful gas moves upwards under the action of air flow, the spray pipe 28 sprays the absorption liquid onto the packing layer 2a, so that the absorption liquid and the poisonous and harmful gas are fully contacted in the packing layer 2a and absorbed by the packing layer, and finally the absorption liquid absorbing the poisonous and harmful gas falls into the lower cavity, and is discharged through the drain pipe 24, in this embodiment, the toxic and harmful gas is an acid gas, and the absorption liquid is a low-concentration NaOH solution; the high temperature in the banburying process can cause damage to the motor 14 through heat conduction, and the water cooling tank b plays a role in cooling the motor 14.
The absorption tower 21 is in a shape of a revolving body; the liquid level sealing mechanism 29 is arranged in the lower cavity and is arranged below the second connecting pipe 272, the liquid level sealing mechanism 29 comprises a floating body 291, a connecting rod 292 and a guide ring 293, the upper end surface of the floating body 291 is arranged opposite to the lower end opening of the second connecting pipe 292, the floating body 291 can move upwards under the driving of the buoyancy of the liquid in the lower cavity, when the liquid level in the lower cavity is too high, the floating body 291 can move upwards and block the lower end opening of the second connecting pipe 272, so that the liquid is prevented from entering the second connecting pipe 272, and the liquid backflow is further avoided; the number of the connecting rods 292 is multiple, and the connecting rods 292 are fixedly connected with the outer peripheral surface of the floating body 291 in a radial shape; the guide ring 293 is coaxially sleeved on the floating body 291, the inner circumferential surface of the guide ring 293 is fixedly connected with the outer end of the connecting rod 292, the outer circumferential surface of the guide ring 293 abuts against the inner wall of the absorption tower 21 and is slidably connected with the inner wall, and the guide ring 293 plays a role in guiding the up-and-down movement of the floating body 291; preferably, the upper end surface of the floating body 291 is provided with a downward-recessed abutment groove 291a, and when the floating body 291 moves upward, the abutment groove 291a is used for clamping the lower end of the second connection pipe 272, thereby improving the sealing effect.
Example 2:
please refer to fig. 4 to 6, which are basically the same as the embodiment 1, except that: the bottom of the butt joint groove 291a is provided with a vertically arranged accommodating hole 291 b; the liquid level sealing mechanism 29 further comprises a slider 294 and a spring 295, the slider 294 and the spring 295 are both arranged in the containing hole 291b, the spring 295 is arranged vertically, the lower end of the spring 295 is fixedly connected with the bottom of the containing hole 291b, and the upper end of the spring 295 is fixedly connected with the lower end of the slider 294; the slider 294 is slidably coupled with the accommodation hole 291 b; the gas ejector pipe 27 further comprises a support frame 273 and an ejector rod 274, the support frame 273 is arranged in the second connecting pipe 272, and the outer end of the support frame 273 is fixedly connected with the inner wall of the second connecting pipe 272; the top rod 274 is vertically arranged, the upper end of the top rod 274 is fixedly connected with the middle part of the support frame 273, the lower end of the top rod 274 extends out of the lower end opening of the second connecting pipe 272 and is arranged opposite to the upper end opening of the accommodating hole 291 b; the cross-sectional area of the ejector pin 274 is smaller than that of the accommodation hole 291 b; when the floating body 291 moves upward, the rod 274 contacts the floating body 291 earlier than the second connection pipe 272, and the lower end of the rod 274 is inserted into the accommodation hole 291b first, and compresses the spring 295 via the slider 294, thereby reducing the impact force applied when the second connection pipe 272 contacts the floating body 291.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.

Claims (6)

1. An internal mixing device of a rubber and plastic heat-insulating material production system comprises: the internal mixing device comprises an internal mixing device body and a gas absorption device, wherein the internal mixing device body comprises a feeding box, an internal mixing box, two stirring rotors and a motor, the feeding box and the internal mixing box are arranged up and down and are communicated with each other, the two stirring rotors are arranged in parallel, each stirring rotor comprises a stirring rotor body and a connecting shaft, and the stirring rotor bodies are arranged in the internal mixing box; the connecting shaft is coaxially fixed at one end of the stirring rotor body, and the free end of the connecting shaft penetrates out of the banburying box; the number of the motors is two, and the driving shafts of the two motors are in one-to-one correspondence to be in driving connection with the free ends of the two connecting shafts; the gas absorption device comprises an absorption tower, an air distribution plate, an exhaust pipe, a drain pipe, a fan, an exhaust pipe, an air injection pipe and a spray pipe, wherein the air distribution plate is arranged in the absorption tower and divides an inner cavity of the absorption tower into an upper cavity and a lower cavity which are arranged up and down, and a plurality of sieve holes for communicating the upper cavity with the lower cavity are uniformly arranged on the air distribution plate; the spray pipe is arranged in the middle of the upper cavity; the exhaust pipe is communicated with the top of the upper cavity; the drain pipe is communicated with the bottom of the lower cavity; the gas injection pipe comprises a first connecting pipe and a second connecting pipe, the first connecting pipe is horizontally arranged, and one end of the first connecting pipe penetrates through the side wall of the absorption tower and is communicated with the lower cavity; the second connecting pipe is formed by bending one end of the first connecting pipe, which is arranged in the lower cavity, downwards; the fan is arranged outside the absorption tower, and the air outlet end of the fan is communicated with one end of the first connecting pipe arranged outside the absorption tower; one end of the air exhaust pipe is communicated with the inner cavity of the feeding box, and the other end of the air exhaust pipe is communicated with the air inlet end of the fan;
wherein, a water cooling groove which is formed by sinking the lower cavity is arranged on the side wall of the bottom of the absorption tower; the two motors are arranged in the water cooling tank.
2. The banburying device for rubber and plastic heat insulating material producing system as claimed in claim 1, wherein said absorption tower is in the form of a rotor; the gas absorption device also comprises a liquid level sealing mechanism, the liquid level sealing mechanism is arranged in the lower cavity and is arranged below the second connecting pipe, the liquid level sealing mechanism comprises a floating body, a connecting rod and a guide ring, the upper end surface of the floating body is arranged opposite to the lower end opening of the second connecting pipe, and the floating body can move upwards under the drive of the buoyancy of the liquid in the lower cavity; the connecting rods are multiple and are fixedly connected with the peripheral surface of the floating body in a radial shape; the guide ring is coaxially sleeved on the floating body, the inner peripheral surface of the guide ring is fixedly connected with the outer end of the connecting rod, and the outer peripheral surface of the guide ring is abutted against the inner wall of the absorption tower and is in sliding connection with the inner wall.
3. The banburying device of rubber and plastic heat insulating material producing system as claimed in claim 2, wherein said floating body is provided at an upper end surface thereof with a butting groove depressed downward.
4. The banburying device of rubber and plastic heat insulating material producing system as claimed in claim 3, wherein said butt-joint groove is provided at the bottom thereof with a vertically arranged receiving hole; the liquid level sealing mechanism further comprises a sliding block and a spring, the sliding block and the spring are both arranged in the containing hole, the spring is vertically arranged, the lower end of the spring is fixedly connected with the bottom of the containing hole, and the upper end of the spring is fixedly connected with the lower end of the sliding block; the sliding block is connected with the containing hole in a sliding manner; the gas ejector pipe also comprises a support frame and an ejector rod, the support frame is arranged in the second connecting pipe, and the outer end of the support frame is fixedly connected with the inner wall of the second connecting pipe; the ejector rod is vertically arranged, the upper end of the ejector rod is fixedly connected with the middle part of the support frame, and the lower end of the ejector rod extends out of the lower end opening of the second connecting pipe and is arranged opposite to the upper end opening of the accommodating hole; the cross-sectional area of the ejector rod is smaller than that of the containing hole.
5. The banburying device of rubber and plastic heat insulating material production system as claimed in claim 1, wherein said gas absorbing means further comprises a packing layer, said packing layer being disposed in said upper chamber and said packing layer being disposed below said shower pipe; the air distribution plate is supported at the bottom of the packing layer.
6. The banburying device of rubber and plastic heat insulating material producing system as claimed in claim 1, wherein said driving shaft of said motor is coupled to said connecting shaft by means of a coupling.
CN201811227726.3A 2018-10-22 2018-10-22 Banburying device of rubber and plastic heat-insulating material production system Pending CN111070458A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811227726.3A CN111070458A (en) 2018-10-22 2018-10-22 Banburying device of rubber and plastic heat-insulating material production system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811227726.3A CN111070458A (en) 2018-10-22 2018-10-22 Banburying device of rubber and plastic heat-insulating material production system

Publications (1)

Publication Number Publication Date
CN111070458A true CN111070458A (en) 2020-04-28

Family

ID=70309544

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811227726.3A Pending CN111070458A (en) 2018-10-22 2018-10-22 Banburying device of rubber and plastic heat-insulating material production system

Country Status (1)

Country Link
CN (1) CN111070458A (en)

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Application publication date: 20200428