CN1106317A - Equipment for processing waste tyre by frozen gas flow crushing method - Google Patents
Equipment for processing waste tyre by frozen gas flow crushing method Download PDFInfo
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- CN1106317A CN1106317A CN 94101303 CN94101303A CN1106317A CN 1106317 A CN1106317 A CN 1106317A CN 94101303 CN94101303 CN 94101303 CN 94101303 A CN94101303 A CN 94101303A CN 1106317 A CN1106317 A CN 1106317A
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Abstract
The apparatus for breaking-off used tyre by freezing airflow is composed of refrigerating chamber and compressor of refrigerant. Its refrigerating chamber also used as breaking one includes porous partition, broken rubber collecting tank, De laval nozzle and exhaust port. Sid compressor, an air compressor includes axially driven air compression and pre-cooling expansion turbines. Its advantage is low energy loss.
Description
The freezing air-flow of a kind of usefulness is pulverized the treating apparatus of old tire, and it belongs to the refrigeration size reduction machinery, is used for the recycling like an elephant rubbers such as junked tires.
Along with industrialized progress, it is increasing with the doughnut to be that the rubber of major product is produced, thereby the recycling of the rubbers such as junked tire that thereupon produce is exactly a problem that the utmost point need solve.The natural decomposition cycle of rubber is very long, is difficult for degraded at nature.Can produce a large amount of pernicious gases and use burning method to handle, produce environmental pollution.Best solution is separated recycling to rubber exactly now.This can solve environmental protection problem on the one hand, also can turn waste into wealth on the other hand, produces favorable economic benefit.Reclaim the freezing breaking method of the many employings of rubber now, the character of utilizing rubber to become fragile at low temperatures, freezing to below-80 ℃ rubbers such as junked tires to be recycled with cold-producing mediums such as liquid nitrogen, the method of using vibration or machinery to knock makes the rubber pulverizing and comes off from skeleton, is convenient to separate and utilize again.The shortcoming of this method is that cold-producing medium refrigeration and vibration and machinery knock to pulverize and is separated into two procedures.The preparation of cold-producing medium is carried to wait and is all wanted the produce power loss.Vibration or mechanical knocking device structure are bigger, are unfavorable for the recovery of cooling power.
The objective of the invention is to invent the treating apparatus that the freezing air-flow of a kind of usefulness is pulverized old tire, it can make full use of cooling power, improves the energy utilization efficiency of handling.
Structure of the present invention as shown in Figure 1, it has cool room 1, coolant compressor 2, the aerial cooler 3 that links to each other with coolant compressor 2 outputs, it is characterized in that: cool room 1 also is pulverizing chamber, porous barrier 4 is arranged within it, crushing rubber feeder 5 is arranged at the bottom, there is ejection to be used to the compressed-air actuated valve nozzle 6 that draws that freezes and pulverize at pulverizing chamber 1 middle part, on pulverizing chamber 1 top exhaust outlet 7 is arranged, coolant compressor 2 is an air compressor, the free air pressure turbine 8 and coaxial and to the precooling expansion turbine 12 of its driving with air compression turbine 8 that contracts is arranged, the output of aerial cooler 3 links to each other with the input of air compression turbine 8, the output of air compression turbine 8 also is connected to an aerial cooler 9, the output of aerial cooler 9 links to each other with air dehydration device 10, behind air dehydration device 10, be connected to gas heat exchanger 11, gas heat exchanger 11 coil pipe outputs link to each other with the input of precooling expansion turbine 12, its output links to each other with La Faner nozzle 6, precooling expansion turbine 12 and air compression turbine 8 is coaxial and it is driven, and the exhaust outlet 7 on pulverizing chamber 1 top communicates with gas heat exchanger 11.
Accompanying drawing 1 is a structural representation of the present invention.
Principle of the present invention is as follows:
The present invention has cool room 1, coolant compressor 2, the aerial cooler 3 that links to each other with coolant compressor 2 outputs, cool room 1 also is a pulverizing chamber, porous barrier 4 is arranged within it, crushing rubber feeder 5 is arranged at the bottom, there is ejection to be used to the compressed-air actuated valve nozzle 6 that draws that freezes and pulverize at pulverizing chamber 1 middle part, on pulverizing chamber 1 top exhaust outlet 7 is arranged, coolant compressor 2 is an air compressor, the free air pressure turbine 8 and coaxial and to the precooling expansion turbine 12 of its driving with air compression turbine 8 that contracts is arranged, the output of aerial cooler 3 links to each other with the input of air compression turbine 8, the output of air compression turbine 8 is connected to aerial cooler 9, the output of aerial cooler 9 links to each other with air dehydration device 10, behind air dehydration device 10, be connected to gas heat exchanger 11, the coil pipe output of gas heat exchanger 11 links to each other with the input of precooling expansion turbine 12, precooling expansion turbine 12 outputs link to each other with La Faner nozzle 6, precooling expansion turbine 12 and air compression turbine 8 is coaxial and it is driven, and the exhaust outlet 7 on pulverizing chamber 1 top communicates with gas heat exchanger 11.During work, normal air enters the air radiator 3 that links to each other with it after compressing by air compressor 2, raises because air is compressed the back temperature, and the compressed air temperature of its output is higher than room temperature.Therefore cooled by outside air in air radiator 3, its temperature is reduced near room temperature.Compressed air by air radiator 3 enters the air compression turbine 8 that links to each other with the output of air radiator 3.Precooling expansion turbine 12 drives 8 rotations of air compression turbine.During 8 rotations of air compression turbine, make by its operating pressure that is further improved of the compressed air behind the air compression turbine 8.After compressed air after further pressurizeing was pressurized, temperature raise again.Therefore be admitted to and be attached thereto in another air radiator 9 that connects, be cooled near room temperature by heat radiation there.Owing to contain moisture content in the normal air, for eliminating moisture content wherein, to avoid when freezing pulverizing, freezing, the high pressure air after being cooled is admitted to 10 dehydrations of air dehydration device.Compressed air after the dehydration enters gas heat exchanger 11 coil pipes that are attached thereto, and reduces its temperature.Compressed air after the reduction temperature is admitted to precooling expansion turbine 12.In precooling expansion turbine 12, the compressed air acting of tentatively expanding promotes precooling expansion turbine 12 and rotates.Precooling expansion turbine 12 drives air compression wheel 8 by output shaft again.Compressed air is after acting is tentatively expanded at precooling expansion turbine 12 places, and pressure reduces, and temperature also descends, and reaches the cryogenic temperature requirement.Low temperature compressed air enters in the pulverizing chamber 1 by La Faner nozzle 6, and produces cyclone in pulverizing chamber 1.Cyclone on the one hand with fully contacted by rubbers such as pulverizing waste tires, it is cooled, make it become fragile material.On the other hand, because cyclonic air flow has higher speed, to being impacted by crushed material and driving its motion.Clash into mutually when being moved by crushed material, make it further broken, its pulverization principle is the same with the gas mill.Constantly impacted on the porous barrier 4 of crushed material in pulverizing chamber 1, after the waste and old rubber particle of pulverizing leaks down from porous barrier 4, collect the back by crushing rubber feeder 5 and discharge outside the pulverizing chamber 1, obtained pulverizing finished product.Being used for after the work freezes and the air pulverized is introduced gas heat exchangers 11 from pulverizing chamber 1 upper air vent 7.Be connected with unexpanded high pressure air in the coil pipe of gas heat exchanger 11, relative temperature is higher, and the delivery temperature after the work is relatively low.Therefore both carry out heat exchange in gas heat exchanger 11, and the temperature of exhaust is risen, and near room temperature, the high pressure air temperature reduces.Can make full use of cooling power like this.
The method that the present invention uses compressed air refrigeration and air-flow to pulverize is finished the cooling and the crushed work of rubbers such as junked tire simultaneously, can reduce the energy loss of cold-producing medium preparation, conveying etc.And by the airborne cooling power that being used to after the gas heat exchanger recovery operation freezes and pulverize, the energy utilization efficiency when having improved recycling has reached purpose of energy saving.
In the present invention, the automatic feed conveyer belt can be housed, the self-emptying conveyer belt is to realize continuous production.
In the present invention, air compressor 2 can be a kinetic energy formula compressor, as the turbo blade compressor, and aerofoil fan compressor, or centrifugal compressor.Also can be positive displacement compressor, as piston compressor, helical-lobe compressor etc.With oil free screw compressor is best, and it has bigger output pressure (0.2～0.6MPa).Air radiator 3 and 9 can use common air-cooled radiator.In the present invention, air dehydration device 10 can use standard machinery separate type dehydrating tower.Its principle is: after air compression, the also corresponding raising of steam partial pressure wherein will be above the saturation pressure under the normal temperature, thereby condenses into water, flows to the bottom of this device under the gravity effect, discharges by valve.In the present invention, air dehydration device 10 also can adopt the absorption type dewater unit of being made up of the molecule screen cloth.By the moisture content in the absorbent material absorption compressed air.Regularly use method of reproduction to discharge moisture content.Dewater unit 10 can have two, a job, and another is in reproduced state, regularly switches, to guarantee continuous operation.
In the present invention, the whole compressed-air power source part that is used to freeze and pulverizes also can be used as if the patent No. is a kind of multi-functional output Gas Turbine Power station of CNZL90224692.5, and it has bigger driving power.
Claims (1)
1. treating apparatus of pulverizing old tire with freezing air-flow, it has cool room (1), coolant compressor (2), the aerial cooler (3) that links to each other with coolant compressor (2) output, it is characterized in that: cool room (1) also is pulverizing chamber, porous barrier (4) is arranged within it, crushing rubber feeder (5) is arranged at the bottom, there is ejection to be used to the compressed-air actuated valve nozzle (6) that draws that freezes and pulverize at pulverizing chamber (1) middle part, on pulverizing chamber (1) top exhaust outlet (7) is arranged, coolant compressor (2) is an air compressor, the free air pressure turbine (8) and coaxial and to the precooling expansion turbine (12) of its driving with air compression turbine (8) that contracts is arranged, the output of aerial cooler (3) links to each other with the input of air compression turbine (8), the output of air compression turbine (8) also is connected to an aerial cooler (9), the output of aerial cooler (9) links to each other with air dehydration device (10), behind air dehydration device (10), be connected to gas heat exchanger (11), gas heat exchanger (11) coil pipe output links to each other with the input of precooling expansion turbine (12), its output links to each other with La Faner nozzle (6), precooling expansion turbine (12) and air compression turbine (8) is coaxial and to its driving, and the exhaust outlet (7) on pulverizing chamber (1) top communicates with gas heat exchanger (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94101303 CN1106317A (en) | 1994-02-04 | 1994-02-04 | Equipment for processing waste tyre by frozen gas flow crushing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94101303 CN1106317A (en) | 1994-02-04 | 1994-02-04 | Equipment for processing waste tyre by frozen gas flow crushing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1106317A true CN1106317A (en) | 1995-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94101303 Pending CN1106317A (en) | 1994-02-04 | 1994-02-04 | Equipment for processing waste tyre by frozen gas flow crushing method |
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| CN (1) | CN1106317A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476166A (en) * | 2015-08-27 | 2017-03-08 | 约瑟夫·菲希尔 | Low temperature milling device and method |
-
1994
- 1994-02-04 CN CN 94101303 patent/CN1106317A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476166A (en) * | 2015-08-27 | 2017-03-08 | 约瑟夫·菲希尔 | Low temperature milling device and method |
| CN106476166B (en) * | 2015-08-27 | 2019-04-09 | 约瑟夫·菲希尔 | Low temperature milling device and method |
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| C01 | Deemed withdrawal of patent application (patent law 1993) |