CN108638389B - Liquid nitrogen freezing and crushing box for waste tires - Google Patents

Liquid nitrogen freezing and crushing box for waste tires Download PDF

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Publication number
CN108638389B
CN108638389B CN201810587891.3A CN201810587891A CN108638389B CN 108638389 B CN108638389 B CN 108638389B CN 201810587891 A CN201810587891 A CN 201810587891A CN 108638389 B CN108638389 B CN 108638389B
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China
Prior art keywords
box body
liquid nitrogen
sealing
pipe
sliding plate
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CN108638389A (en
Inventor
张俊
孙晓雷
吕嫄
陶婧
童彦
周晶
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Wuhu Institute of Technology
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Wuhu Institute of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04Disintegrating plastics, e.g. by milling
    • B29B17/0404Disintegrating plastics, e.g. by milling to powder
    • B29B17/0408Disintegrating plastics, e.g. by milling to powder using cryogenic systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/52Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

The invention discloses a liquid nitrogen freezing and crushing box for waste tires and a using method thereof, and the liquid nitrogen freezing and crushing box comprises a box body, a feeding hole, a sealing door, a connecting rope, a sliding plate, a support, a rotating wheel, support legs, a discharging hole, a sealing cover, a high-pressure liquid nitrogen bin, a nitrogen conveying pipe, an electromagnetic valve, a spraying pipe, a nozzle, a pressure reducing bin, a spring, a fan, an annular air pipe, a jet head, an exhaust groove, a sealing rubber rod and a bypass pipe, wherein the bottom of the box body is uniformly provided with the four support legs, the feeding hole is arranged above the side wall of the box body, the bottom end of the feeding hole is rotatably connected with the sealing door, the sliding plate is rotatably arranged below the feeding hole on the inner wall of the box body, the two support are symmetrically fixed between the feeding hole and the sliding plate on the inner, the improved crushing speed of the rubber block saves liquid nitrogen, the rubber block is convenient to put in and take out, and the rubber block is simple in structure and safe to use.

Description

Liquid nitrogen freezing and crushing box for waste tires
Technical Field
The invention relates to the technical field of waste tire treatment, in particular to a waste tire liquid nitrogen freezing and crushing box and a using method thereof.
Background
A tire is a ground-rolling circular ring-shaped elastic rubber article mounted on various vehicles or machines. Generally mounted on a metal rim, and is capable of supporting a vehicle body, buffering external impact, achieving contact with a road surface and ensuring the driving performance of a vehicle. Tires are often used under complex and severe conditions, which are subjected to various deformations, loads, forces and high and low temperature effects during running, and therefore must have high load-bearing, traction and cushioning properties. At the same time, high abrasion resistance and flexibility resistance, and low rolling resistance and heat build-up are also required. Half of the world's rubber usage is for tire production, and the ability of tires to consume rubber is seen.
The method is characterized in that the used amount of tires is extremely large in life, more waste tires are used, the treatment of the waste tires is an important work, the process of changing large tires into ultrafine powder is very difficult in the actual crushing of the tires, time and labor are wasted, the effect is poor, the introduction of liquid nitrogen can greatly accelerate and simplify the process, and the process of effectively utilizing the liquid nitrogen to accelerate and simplify the process can be provided in the processes of disassembling the tires, changing the tires into rubber blocks and changing the rubber blocks into fine powder.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a high-tightness, high-efficiency and high-safety liquid nitrogen freezing and crushing box for waste tires, which comprises a box body, a feed inlet, a sealing door, a connecting rope, a sliding plate, supports, rotating wheels, supporting legs, a discharge port, a sealing cover, a high-pressure liquid nitrogen bin, a nitrogen conveying pipe, an electromagnetic valve, a spraying pipe, a spray head, a pressure reducing bin, a spring, a fan, an annular air pipe, an air nozzle, an exhaust groove, a sealing rubber rod and a bypass pipe, wherein the bottom of the box body is uniformly provided with the four supporting legs, the feed inlet is arranged above the side wall of the box body, the bottom end of the feed inlet is rotatably connected with the sealing door, the sliding plate is rotatably arranged below the feed inlet on the inner wall of the box body, the two supports are symmetrically fixed between the feed inlet and the sliding, the other end of the connecting rope bypasses the rotating wheel to be connected with the center of the sealing door, a discharge port is formed in the center of the bottom of the box body, an internal thread is formed in the inner wall of the discharge port, a sealing cover is arranged in the discharge port, an external thread is formed on the outer side of the sealing cover, the sealing cover is meshed with the external thread through the internal thread and is connected in the discharge port, a fan is arranged on the side wall of the box body, annular air pipes are arranged inside the side wall below the box body and inside a bottom plate of the box body, the output end of the fan is communicated with the annular air pipes through pipelines, air nozzles are arranged on the side wall of the annular air pipes and communicated with the inside of the box body, a high-pressure liquid nitrogen bin is arranged on the outer wall of the box body, which is far away from the, the pressure reduction bin is arranged on one side inside the top plate of the box body, the top of the pressure reduction bin is communicated with the outside of the box body, the bottom of the pressure reduction bin is communicated with the inside of the box body through an exhaust groove, a sealing rubber rod is arranged in the pressure reduction bin, the bottom of the sealing rubber rod is placed in the exhaust groove in a matched mode, the top end of the spring is fixedly connected with the top of the pressure reduction bin, the bottom end of the spring is fixedly connected with the top end of the sealing rubber rod, two bypass pipes are symmetrically arranged on two sides of the exhaust groove, and the bypass.
Preferably, a handle is mounted on the outer side of the sealing door.
Preferably, the inner wall of the feeding hole is provided with a sealing strip, and the outer side of the sealing cover is sleeved with a sealing ring.
Preferably, the bottom of the sealing cover is provided with a screwing lug.
Preferably, the top of the inner surface of the sliding plate and the corresponding position of the inner wall of the box body and the sliding plate are provided with magnet pieces.
The invention has the beneficial effects that: the sealing door is opened to place the rubber block into the box body, the sliding plate is moved to a certain angle through the pulling force of the connecting rope, the rubber block falls into the center of the bottom of the box body, the sealing door is closed after feeding, the sliding plate is tightly attached to the inner wall of the box body and fixed by the magnet sheet, the fan is started to work, the fan intermittently ventilates the box body, the introduced air enters the annular air pipe and is conducted to the periphery of the annular air pipe, the rubber block in the box body is uniformly sprayed and stirred by the air spraying head, the electromagnetic valve is intermittently opened, liquid nitrogen in the high-pressure liquid nitrogen bin enters the spraying pipe through the nitrogen conveying pipe and is uniformly sprayed on the surface of the rubber block by the spraying head to perform refrigeration and pulverization, the pressure in the box body rises due to the fact that the fan blows air in the box body, when the pressure in the box body rises to a certain value, the air pressure enables the, gaseous from the bypass pipe discharge, atmospheric pressure reduces, sealed rubber pole is pushed down again by the spring and is plugged up the bypass pipe, make the atmospheric pressure value of a safety and stability in the box, glue piece processing completion back, open sealed lid, it blows off the piece to open the fan, this junked tire liquid nitrogen freezing crushing case, intermittently blow to gluing the piece stirring through intermittent type nature spraying liquid nitrogen while intermittent type nature, the crushing speed of the piece of glue that improves, also practice thrift the liquid nitrogen, putting into and taking out of gluing the piece is very convenient, and simple structure is safe in utilization.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic elevation view of the anatomy of the present invention;
FIG. 2 is a schematic right sectional structural view of the present invention;
figure 3 is a schematic view of the pressure reduction bin structure of the present invention.
In the figure: 1. a box body; 2. a feed inlet; 3. a sealing door; 4. a sealing strip; 5. a handle; 6. connecting ropes; 7. a slide plate; 8. a support; 9. a rotating wheel; 10. a magnet piece; 11. a support leg; 12. a discharge port; 13. a sealing cover; 14. screwing the lug; 15. a seal ring; 16. a high pressure liquid nitrogen bin; 17. a nitrogen conveying pipe; 18. an electromagnetic valve; 19. a spray tube; 20. a spray head; 21. a pressure reduction bin; 22. a spring; 23. a fan; 24. an annular air duct; 25. a gas showerhead; 26. an exhaust groove; 27. a sealing rubber rod; 28. a bypass pipe.
Detailed Description
Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The liquid nitrogen freezing and crushing box for the waste tires and the using method thereof as shown in the figures 1-3 comprise a box body 1, a feeding hole 2, a sealing door 3, a connecting rope 6, a sliding plate 7, supports 8, rotating wheels 9, support legs 11, a discharging hole 12, a sealing cover 13, a high-pressure liquid nitrogen bin 16, a nitrogen conveying pipe 17, an electromagnetic valve 18, a spraying pipe 19, a nozzle 20, a pressure reducing bin 21, a spring 22, a fan 23, an annular air pipe 24, an air nozzle 25, an exhaust groove 26, a sealing rubber rod 27 and a bypass pipe 28, wherein the four support legs 11 are uniformly arranged at the bottom of the box body 1, the feeding hole 2 is arranged above the side wall of the box body 1, the sealing door 3 is rotatably connected to the bottom end of the feeding hole 2, the sliding plate 7 is rotatably arranged below the feeding hole 2 on the inner wall of the box body 1, the two supports 8 are symmetrically fixed between the feeding hole, the center of the surface of the sliding plate 7 is connected with a connecting rope 6, the other end of the connecting rope 6 bypasses a rotating wheel 9 and is connected with the center of the sealing door 3, the center of the bottom of the box body 1 is provided with a discharge port 12, the inner wall of the discharge port 12 is provided with an internal thread, a sealing cover 13 is arranged in the discharge port 12, the outer side of the sealing cover 13 is provided with an external thread, the sealing cover 13 is connected in the discharge port 12 through the internal thread and the external thread in a meshed manner, the side wall of the box body 1 is provided with a fan 23, the inside of the side wall below the box body 1 and the inside of the bottom plate of the box body 1 are both provided with an annular air pipe 24, the output end of the fan 23 is communicated with the annular air pipe 24 through a pipeline, the side wall of the annular air pipe 24 is provided with, a plurality of spray heads 20 are arranged on the outer side of the spray pipe 19, the high-pressure liquid nitrogen bin 16 is communicated with the spray pipe 19 through a nitrogen conveying pipe 17, an electromagnetic valve 18 is arranged on the outer side of the nitrogen conveying pipe 17, a pressure reducing bin 21 is arranged on one side of the inner part of a top plate of the box body 1, the top of the pressure reducing bin 21 is communicated with the outside of the box body 1, the bottom of the pressure reducing bin 21 is communicated with the inner part of the box body 1 through an exhaust groove 26, a sealing rubber rod 27 is arranged in the pressure reducing bin 21, the bottom of the sealing rubber rod 27 is arranged in the exhaust groove 26 in a matched mode, the top of the spring 22 is fixedly connected with the top of the pressure reducing bin 21, the bottom of the spring 22 is fixedly connected with the top of the sealing rubber rod 27, two bypass pipes 28 are symmetrically arranged on two sides of the exhaust groove 26, the bypass pipes 28 are communicated with the pressure reducing bin 21, the cover has sealing washer 15 in the sealed 13 outside cover, and sealing strip 4 increases the leakproofness of box 1 with sealing washer 15, sealed 13 bottoms of lid are installed and are twisted lug 14, move lug 14 through twisting and conveniently open and close sealed lid 13, magnet piece 10 is all installed with the corresponding position of slide 7 to slide 7 internal surface top and 1 inner wall of box and slide 7, and when sealing door 3 closed, slide 7 and 1 inner wall of box inhale fixedly mutually, avoid fan 23 work to cause the influence to slide 7.
The working principle of the specific embodiment is as follows: opening a sealing door 3 to put the tyre rubber block into a box body 1, moving a sliding plate 7 to a certain angle through the pulling force of a connecting rope 6, leading the rubber block to fall into the center of the bottom of the box body 1, closing the sealing door 3 after feeding, leading the sliding plate 7 to be tightly attached to the inner wall of the box body 1 and fixed by a magnet sheet 10, starting a fan 23 to work, intermittently ventilating the fan 23 into the box body 1, leading the introduced air to enter an annular air pipe 24 and then to be conducted to the periphery of the annular air pipe 24, uniformly spraying and stirring the rubber block in the box body 1 through an air spraying head 25, intermittently opening an electromagnetic valve 18, leading liquid nitrogen in a high-pressure bin 16 to enter a spraying pipe 19 through a nitrogen conveying pipe 17, then uniformly spraying the liquid nitrogen on the surface of the rubber block through a spray head 20 for refrigerating and crushing, leading the fan 23 to blow air into the box body 1 to enable the pressure in the box body 1 to rise, and leading a spring 22 to, when the sealing rubber rod 27 rises to a certain height, the bypass pipe 28 is communicated with the interior of the box body 1, gas is discharged from the bypass pipe 28, the air pressure is reduced, the sealing rubber rod 27 is pressed down by the spring 22 to block the bypass pipe 28, a safe and stable air pressure value is formed in the box body 1, after the processing of the rubber blocks is completed, the sealing cover 13 is opened, and the air blower 23 is started to blow out the rubber blocks.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.

Claims (5)

1. The utility model provides a freezing crushing case of junked tire liquid nitrogen, including box (1), feed inlet (2), sealing door (3), connect rope (6), slide (7), support (8), runner (9), stabilizer blade (11), discharge gate (12), sealed lid (13), high-pressure liquid nitrogen storehouse (16), defeated nitrogen pipe (17), solenoid valve (18), spray tube (19), shower nozzle (20), decompression storehouse (21), spring (22), fan (23), annular tuber pipe (24), jet-propelled head (25), air discharge duct (26), sealed rubber pole (27) and bypass pipe (28), its characterized in that: four support legs (11) are uniformly installed at the bottom of the box body (1), the feed inlet (2) is formed above the side wall of the box body (1), the bottom end of the feed inlet (2) is rotatably connected with a sealing door (3), the inner wall of the box body (1) is positioned below the feed inlet (2) and is rotatably installed with a sliding plate (7), two supports (8) are symmetrically fixed between the feed inlet (2) and the sliding plate (7) on the inner wall of the box body (1), a rotating wheel (9) is rotatably installed at the tops of the supports (8), a connecting rope (6) is connected at the center of the surface of the sliding plate (7), the other end of the connecting rope (6) bypasses the rotating wheel (9) and is connected with the center of the sealing door (3), a discharge port (12) is formed at the center of the bottom of the box body (1), an internal thread, and the external thread is arranged on the outer side of the sealing cover (13), the sealing cover (13) is connected in the discharge port (12) through the internal thread and the external thread, the fan (23) is installed on the side wall of the box body (1), the inside of the side wall below the box body (1) and the inside of the bottom plate of the box body (1) are both provided with the annular air pipe (24), the output end of the fan (23) is communicated with the annular air pipe (24) through a pipeline, the side wall of the annular air pipe (24) is provided with the air nozzle (25), the air nozzle (25) is communicated with the inside of the box body (1), the outer wall of the box body (1) far away from the feed port (2) is provided with the high-pressure liquid nitrogen bin (16), the top end of the inside of the box body (1) is provided with the spray pipe (19), the outer side of the spray pipe (19), the electromagnetic valve (18) is installed on the outer side of the nitrogen conveying pipe (17), a pressure reduction bin (21) is formed in one side of the inside of a top plate of the box body (1), the top of the pressure reduction bin (21) is communicated with the outside of the box body (1), the bottom of the pressure reduction bin (21) is communicated with the inside of the box body (1) through an exhaust groove (26), a sealing rubber rod (27) is arranged in the pressure reduction bin (21), the bottom of the sealing rubber rod (27) is placed in the exhaust groove (26) in a matched mode, the top end of the spring (22) is fixedly connected with the top of the pressure reduction bin (21), the bottom end of the spring (22) is fixedly connected with the top end of the sealing rubber rod (27), two bypass pipes (28) are symmetrically formed in two sides of the exhaust groove (26), and the bypass pipes.
2. The liquid nitrogen freezing and crushing box for waste tires as claimed in claim 1, which is characterized in that: and a handle (5) is arranged on the outer side of the sealing door (3).
3. The liquid nitrogen freezing and crushing box for waste tires as claimed in claim 1, which is characterized in that: sealing strips (4) are installed on the inner wall of the feeding port (2), and sealing rings (15) are sleeved on the outer side of the sealing cover (13).
4. The liquid nitrogen freezing and crushing box for waste tires as claimed in claim 3, characterized in that: and a screwing lug (14) is arranged at the bottom of the sealing cover (13).
5. The liquid nitrogen freezing and crushing box for waste tires as claimed in claim 1, which is characterized in that: magnet pieces (10) are arranged at the top of the inner surface of the sliding plate (7) and the corresponding positions of the inner wall of the box body (1) and the sliding plate (7).
CN201810587891.3A 2018-06-08 2018-06-08 Liquid nitrogen freezing and crushing box for waste tires Active CN108638389B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810587891.3A CN108638389B (en) 2018-06-08 2018-06-08 Liquid nitrogen freezing and crushing box for waste tires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810587891.3A CN108638389B (en) 2018-06-08 2018-06-08 Liquid nitrogen freezing and crushing box for waste tires

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CN108638389A CN108638389A (en) 2018-10-12
CN108638389B true CN108638389B (en) 2020-01-03

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109820218B (en) * 2019-03-21 2021-10-26 盐城市农产品质量监督检验测试中心 Mixing device for pig disease-resistant feed formula
CN113385093A (en) * 2021-06-18 2021-09-14 山西贝特瑞新能源科技有限公司 Multi-material mixed lithium battery silicon-carbon negative electrode material mixer and mixing method thereof
CN114632607B (en) * 2022-03-17 2024-02-13 祝长翠 A rubbing crusher for preparing modified asphalt mixture

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6360547B1 (en) * 2000-01-07 2002-03-26 Crumbrubber Technology Co., Inc. Method and apparatus for cooling air to cryogenic temperatures for recycling processes
CN2743028Y (en) * 2004-08-06 2005-11-30 王永清 Ultralow temperature crushing machine
CN202826147U (en) * 2011-10-05 2013-03-27 孔赟荣 Production line for machining waste old rubber tires into rubber powder
CN105269715A (en) * 2015-11-28 2016-01-27 何志斌 Liquid nitrogen cooling rubber smashing system
CN205201873U (en) * 2015-11-28 2016-05-04 何志斌 Device is smashed to liquid nitrogen cooling rubber

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6360547B1 (en) * 2000-01-07 2002-03-26 Crumbrubber Technology Co., Inc. Method and apparatus for cooling air to cryogenic temperatures for recycling processes
CN2743028Y (en) * 2004-08-06 2005-11-30 王永清 Ultralow temperature crushing machine
CN202826147U (en) * 2011-10-05 2013-03-27 孔赟荣 Production line for machining waste old rubber tires into rubber powder
CN105269715A (en) * 2015-11-28 2016-01-27 何志斌 Liquid nitrogen cooling rubber smashing system
CN205201873U (en) * 2015-11-28 2016-05-04 何志斌 Device is smashed to liquid nitrogen cooling rubber

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