CN209794299U - Waste rubber low-temperature freezing experimental device - Google Patents
Waste rubber low-temperature freezing experimental device Download PDFInfo
- Publication number
- CN209794299U CN209794299U CN201920524434.XU CN201920524434U CN209794299U CN 209794299 U CN209794299 U CN 209794299U CN 201920524434 U CN201920524434 U CN 201920524434U CN 209794299 U CN209794299 U CN 209794299U
- Authority
- CN
- China
- Prior art keywords
- liquid nitrogen
- machine barrel
- screw
- waste rubber
- temperature
- 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.)
- Expired - Fee Related
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 39
- 238000007710 freezing Methods 0.000 title claims abstract description 32
- 230000008014 freezing Effects 0.000 title claims abstract description 32
- 239000002699 waste material Substances 0.000 title claims abstract description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 82
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000007599 discharging Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000010920 waste tyre Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000004064 recycling Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Processing Of Solid Wastes (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The utility model discloses a waste rubber low-temperature freezing experimental device, which comprises a freezing unit body, a rack base, a discharge end cover, a machine barrel bracket, a hopper, a feeding end cover and a hydraulic motor; the freezing unit body comprises a discharge cylinder, a liquid nitrogen input port, a machine cylinder, a screw, a flange, a liquid nitrogen output port and a feeding cylinder, wherein after the waste rubber slices and liquid nitrogen with the temperature of-196 ℃ enter the freezing unit body, a hydraulic motor drives the screw to rotate to push the waste rubber slices to be fully contacted with the liquid nitrogen, the waste rubber slices are discharged to a vibrating screen after the temperature of the waste rubber slices is reduced to (-100 ℃ -80 ℃), large rubber blocks on the screen are put into the feeding cylinder again for freezing, and the residual liquid nitrogen after the experiment is finished enters a liquid nitrogen collecting device through the liquid nitrogen output port; the utility model relates to an old and useless rubber low temperature freezing experimental apparatus is energy-conserving, environmental protection, and manufacturing and dismouting are easy, and easy maintenance can realize handling old and useless rubber with the high efficiency, and can not produce secondary pollution.
Description
Technical Field
The utility model relates to an old and useless rubber's cyclic utilization field, it relates to an old and useless rubber low temperature freezing experimental apparatus to specifically say so.
background
With the rapid development of national economy and the continuous improvement of the living standard of people, automobiles become necessities of daily life of people. The automobile brings convenience to people, and also brings problems such as road congestion, automobile exhaust emission, haze, waste rubber tire environmental pollution and the like. According to statistics, about 1.6 hundred million waste tires are generated in 2012 of China, and the scale is rapidly increased year by year. The discarded waste tires belong to infusible or infusible high molecular elastomer materials, have the characteristics of strong heat resistance, mechanical resistance, corrosion resistance and extremely difficult degradation, and if the waste tires are not scientifically and normally treated, the problems of serious environmental pollution and waste of rubber resources can be caused.
At present, the waste tires are treated by incineration, tire retreading, rubber powder preparation, regeneration, cracking and the like, wherein the waste tires are recycled and prepared into rubber powder by a waste rubber powder preparation technology, and the method is the most effective measure for recycling, reducing and harmless recycling of the waste tires. The traditional preparation technology of the waste rubber powder is to crush the waste rubber by mechanical shearing force at normal temperature, the production process flow is long, the energy consumption is high, the separation of steel wires and fibers is not thorough, the prepared rubber powder has cavities, and heavy metals are easy to separate out, so that secondary pollution is caused. At present, research and development of an energy-saving, environment-friendly and efficient waste rubber low-temperature freezing experimental device are urgently needed.
Disclosure of Invention
The utility model aims at: aiming at the existing problems, the waste rubber low-temperature freezing experimental device is energy-saving and environment-friendly, is easy to process, manufacture and disassemble, convenient to maintain and reliable to operate, can realize efficient waste tire treatment and waste rubber recovery, cannot generate secondary pollution in the process, improves the recycling rate of liquid nitrogen, and reduces the consumption of the liquid nitrogen.
The utility model discloses the technical scheme who adopts as follows:
A waste rubber low-temperature freezing experimental device comprises a freezing unit body, a rack base, a discharge end cover, a machine barrel support, a hopper, a feeding end cover and a hydraulic motor; the freezing unit body comprises a discharge cylinder, a liquid nitrogen input port, a machine barrel, a flange, a screw, a liquid nitrogen output port and a feeding cylinder; the machine barrel is a hollow cylinder, the whole machine barrel adopts a sectional assembly type structure, sealing gaskets are added among sections and are connected through the flanges, and low-temperature nitrogen is prevented from leaking; the screw penetrates through the whole machine barrel, the screw adopts a variable-pitch screw, and the pitch of the screw is gradually reduced from a feeding end to a discharging end; two liquid nitrogen input ports and one feeding cylinder are arranged above the machine barrel; the feeding barrel is connected with the hopper through a bolt; the liquid nitrogen output port and the discharge barrel are arranged below the machine barrel; the machine barrel bracket is arranged on the rack base and fixes the whole freezing unit body; the discharge end cover is arranged on one side of the machine barrel, which is close to the discharge barrel, and the feeding end cover is arranged on one side of the machine barrel, which is close to the feeding barrel; the hydraulic motor and the screw are connected by a spline.
Furthermore, the screw rod is located one side of the discharge barrel adopts a reverse spiral structure, so that the discharge is facilitated.
further, the screw and the barrel are made of low-temperature steel.
Further, the liquid nitrogen output port is located in the middle of the machine barrel and is connected with the liquid nitrogen collecting device through a pipeline. Further, the machine barrel needs to be subjected to heat preservation treatment, and a layer of heat preservation and insulation coating is attached to the outer wall of the machine barrel.
The utility model discloses the beneficial effect that can obtain is: the waste rubber low-temperature freezing experimental device is energy-saving, environment-friendly, easy to machine, manufacture, disassemble and assemble, convenient to maintain and reliable in operation, can efficiently treat waste tires and recover waste rubber, ensures that no secondary pollution is generated in the process, improves the recycling rate of liquid nitrogen, and reduces the consumption of the liquid nitrogen.
Drawings
FIG. 1: the utility model relates to a frozen experimental apparatus elevation of old and useless rubber low temperature.
In fig. 1: 1-a freezing treatment unit body, 2-a rack base, 3-a discharge end cover, 4-a machine barrel support, 5-a discharge barrel, 6-a liquid nitrogen input port, 7-a machine barrel, 8-a screw rod, 9-a flange, 10-a feeding barrel, 11-a hopper, 12-a feeding end cover, 13-a hydraulic motor and 14-a liquid nitrogen output port.
Detailed Description
The following describes the present invention with reference to fig. 1.
The utility model provides a frozen experimental apparatus of old and useless rubber low temperature, includes: the freezing unit comprises a freezing unit body 1, a rack base 2, a discharge end cover 3, a machine barrel support 4, a hopper 11, a feed end cover 12 and a hydraulic motor 13; the freezing unit body 1 comprises a discharge cylinder 5, a liquid nitrogen input port 6, a machine barrel 7, a screw 8, a liquid nitrogen output port 14 and a feeding cylinder 10; the machine barrel 7 is a hollow cylinder, the whole machine barrel adopts a sectional assembly type structure, sealing gaskets are added among sections and are connected through the flange 9, and low-temperature nitrogen is prevented from leaking; the screw 8 penetrates through the whole machine barrel 7, the screw 8 is a variable-pitch screw, and the pitch is gradually reduced from the feeding end to the discharging end; two liquid nitrogen input ports 6 and one feeding cylinder 10 are arranged above the cylinder 7; the feeding cylinder 10 is connected with the hopper 11 through bolts; the liquid nitrogen output port 14 and the discharging barrel 5 are arranged below the cylinder 7; the machine barrel bracket 4 is arranged on the rack base 2 and fixes the whole freezing unit body 1; the discharge end cover 3 is arranged on one side of the discharge barrel 5; the feeding end cover 12 is arranged on one side of the feeding cylinder 10; the hydraulic motor 13 is connected with the screw 8 by a spline.
Further, the screw 8 is located on one side of the discharge barrel 5, and a reverse spiral structure is adopted, so that discharging is facilitated.
Further, the screw 8 and the cylinder 7 are made of low temperature steel.
Further, the liquid nitrogen output port is located in the middle of the machine barrel and is connected with the liquid nitrogen collecting device through a pipeline.
Further, the machine barrel needs to be subjected to heat preservation treatment, and a layer of heat preservation and insulation coating is attached to the outer wall of the machine barrel.
As shown in FIG. 1, the working method of the waste rubber low-temperature freezing experimental device of the utility model comprises the following steps:
After waste rubber slices enter the freezing unit body 1 through the hopper 11 and the feeding cylinder 10, liquid nitrogen is introduced into the machine cylinder 7 through the liquid nitrogen inlet 6, the hydraulic motor 13 drives the screw rod 8 to rotate, the rubber slices are pushed to be fully contacted with the liquid nitrogen while being spirally pushed, the liquid nitrogen (-196 ℃) is used as a refrigerating medium, the temperature of the tire slices is reduced to-100 ℃ to-80 ℃ after 10 minutes, the frozen rubber slices are discharged to the vibrating screen through the discharging cylinder 5, large rubber blocks on the screen are put into the freezing unit body again through the feeding cylinder 10 to be frozen continuously, and the residual liquid nitrogen enters the liquid nitrogen collecting device through the liquid nitrogen outlet 14 after the experiment is finished so as to be used in the next freezing experiment.
The protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be defined by the appended claims.
Claims (5)
1. The utility model provides a frozen experimental apparatus of old and useless rubber low temperature which characterized in that: comprises a freezing unit body, a frame base, a discharge end cover, a machine barrel bracket, a hopper, a feeding end cover and a hydraulic motor; the freezing unit body comprises a discharge cylinder, a liquid nitrogen input port, a machine barrel, a flange, a screw, a liquid nitrogen output port and a feeding cylinder; the machine barrel is a hollow cylinder, the whole machine barrel adopts a sectional assembly type structure, sealing gaskets are added among sections and are connected through the flanges, and low-temperature nitrogen is prevented from leaking; the screw penetrates through the whole machine barrel, the screw adopts a variable-pitch screw, and the pitch of the screw is gradually reduced from a feeding end to a discharging end; two liquid nitrogen input ports and one feeding cylinder are arranged above the machine barrel; the feeding barrel is connected with the hopper through a bolt; the liquid nitrogen output port and the discharge barrel are arranged below the machine barrel; the machine barrel bracket is arranged on the rack base and fixes the whole freezing unit body; the discharge end cover is arranged on one side of the machine barrel, which is close to the discharge barrel, and the feeding end cover is arranged on one side of the machine barrel, which is close to the feeding barrel; the hydraulic motor and the screw are connected by a spline.
2. The waste rubber low-temperature freezing experimental device as claimed in claim 1, which is characterized in that: the screw rod is located one side of play feed cylinder adopts reverse-spiral structure, is favorable to arranging the material.
3. The waste rubber low-temperature freezing experimental device as claimed in claim 2, wherein: the screw and the cylinder are made of low-temperature steel.
4. The waste rubber low-temperature freezing experimental device as claimed in claim 3, wherein: and the liquid nitrogen output port is positioned in the middle of the machine barrel and is connected with a liquid nitrogen collecting device through a pipeline.
5. The waste rubber low-temperature freezing experimental device as claimed in claim 4, wherein: the machine barrel is required to be subjected to heat preservation treatment, and a layer of heat preservation and insulation coating is attached to the outer wall of the machine barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920524434.XU CN209794299U (en) | 2019-04-17 | 2019-04-17 | Waste rubber low-temperature freezing experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920524434.XU CN209794299U (en) | 2019-04-17 | 2019-04-17 | Waste rubber low-temperature freezing experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209794299U true CN209794299U (en) | 2019-12-17 |
Family
ID=68829773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920524434.XU Expired - Fee Related CN209794299U (en) | 2019-04-17 | 2019-04-17 | Waste rubber low-temperature freezing experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209794299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927210A (en) * | 2019-04-17 | 2019-06-25 | 青岛科技大学 | A kind of waste old cryogenic freezing experimental provision |
-
2019
- 2019-04-17 CN CN201920524434.XU patent/CN209794299U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927210A (en) * | 2019-04-17 | 2019-06-25 | 青岛科技大学 | A kind of waste old cryogenic freezing experimental provision |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 |