CN102942710B - Apparatus and method for waste rubber regeneration energy saving production - Google Patents
Apparatus and method for waste rubber regeneration energy saving production Download PDFInfo
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- CN102942710B CN102942710B CN201210383922.6A CN201210383922A CN102942710B CN 102942710 B CN102942710 B CN 102942710B CN 201210383922 A CN201210383922 A CN 201210383922A CN 102942710 B CN102942710 B CN 102942710B
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- 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
Abstract
The present invention discloses an apparatus and a method for waste rubber regeneration energy saving production. The apparatus is composed by at least two reaction kettles for high temperature and high pressure dynamic desulfurization producing regeneration rubber. Each reaction kettle is provided with a branch pressure relief port (5). The branch pressure relief port (5) of a prior order reaction kettle is communicated with the branch pressure relief port (7) of a next order reaction kettle through a gas pipeline (6). The method comprises the following steps: feeding; elevating temperature and pressure; performing a regeneration reaction; cooling; exhausting and depressurizing, wherein the remaining heat and pressure of the prior order reaction kettle flows into the next order reaction kettle through the gas pipeline (6) to provide energy for the regeneration reaction of the next order reaction kettle; and discharging. The method can help to save power of 120-150 kwh, is very significant in the energy-saving effect; can greatly reduce production cost, shorten the time for elevating temperature and pressure for about 30 minutes, improve production efficiency of more than 30% and reduce gas emission of 60-100 m<3>; and is very obvious in the emission reduction effect.
Description
Technical field
The present invention relates to a kind of regenerating waste or used rubber production energy-saving device and method.
Background technology
Regenerated rubber is that the leftover bits to have vulcanized during rubber item is produced are Raw material processing rubber that become, that have certain plasticity number, can reuse, abbreviation reclaimed rubber.By the difference of waste old used, reclaimed rubber is divided into cover tire class, inner tube of a tyre class, rubber overshoes class etc.Reclaimed rubber can partly replace rubber to be used for rubber item, is also conducive to improve some performance of processing characteristics and rubber item to save rubber and carbon black.
China is a country that rubber resource is relatively in short supply, and 50% left and right of the annual reclaimed rubber consumption of China needs import, and finding rubber raw materials source and substitute material thereof is the task that China struggles on without cease.Therefore, conscientiously properly handle waste old, to making full use of renewable resource, break away from the scarcity of natural resources, reduce environmental pollution, the living environment of improving the people has very far-reaching positive effect and realistic meaning.Regenerated rubber is the important raw and processed materials of world rubber industry always, and it can replace rubber on the one hand, has alleviated the serious scarcity of natural rubber; Make on the other hand waste old realize recycling, solved the problem of waste old contaminate environment.
Rubber regeneration process refers to that waste old makes the part molecular chain of vulcanized rubber and the process of cross-linking set fracture under the comprehensive action of softening agent (tenderizer and activator), oxygen, heat and mechanical shearing.Traditional process for regenerating used rubber mainly contains oil process, water/oil method and three kinds of methods of dynamic desulfurization, the device of producing reclaimed rubber is a reactor, be made up of opening for feed, air inlet capstan, well heater, exhaust pressure relief pipeline and discharge port, production process is: reinforced, off-response still, increasing temperature and pressure, reaction, cooling, exhaust step-down, discharging.In this production process, traditional mode that only adopts an independent reactor can cause when decrease temperature and pressure exhaust a large amount of energy to run off after reaction completes, exist that production energy consumption is large, production cost is high and the problem such as disposal of waste gas, water and industrial residue is difficult, cannot meet the requirement of environmental protection.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, providing a kind of connects into the overall recycle system by multiple reactors and carries out rubber regeneration production, progressively successive reaction of each reactor, prime reactor reacts remaining heat and pressure flows in next stage reactor with recycle by gas pipe line, can reduce production energy consumption and cost, enhance productivity, and reduce the regenerating waste or used rubber production energy-saving device and method of " three wastes " quantity discharged.
The object of the invention is to be achieved through the following technical solutions: a kind of regenerating waste or used rubber production energy-saving device, it is made up of at least two reactors for the dynamic desulfurization manufacture of High Temperature High Pressure regenerated rubber, the main pressurization mouthful of each reactor is connected with air inlet capstan respectively, the main pressure relief opening of each reactor is connected with exhaust pressure relief pipeline respectively, on each reactor, be equipped with branch's pressure relief opening, branch's pressure relief opening of prime reactor is connected with branch's pressurization mouthful of next stage reactor by gas pipe line, the pressurization mouthful of branch's pressure relief opening of final stage reactor and the branch of first step reactor is connected.
On the inlet duct of each main pressurization mouth of the present invention, the outlet conduit of main pressure relief opening and each section of gas pipe line, be equipped with gate valve.
Gate valve of the present invention is electromagnetic valve.
A kind of regenerating waste or used rubber energy-saving production method, it comprises the following steps:
S1: reinforced: to open the opening for feed of each reactor, add waste old starting material to each reactor respectively, add rear off-response still;
S2: increasing temperature and pressure: open the gate valve on each main pressurization mouthful inlet duct, close the gate valve on each main pressure relief opening and branch's pressure relief opening outlet conduit, to carrying out increasing temperature and pressure in reactor;
S3: regenerative response: in the time that the temperature in reactor and air pressure reach the temperature required and air pressure of default regenerative response, close the gate valve on main pressurization mouthful inlet duct, stop increasing temperature and pressure;
S4: cooling: after rubber regeneration reacts completely, to the regenerated rubber the obtaining processing of lowering the temperature;
S5: exhaust step-down: open the gate valve on gas pipe line between branch's pressure relief opening of prime reactor and the branch of next stage reactor pressurization mouth, prime reactor reacts remaining heat and pressure flows in next stage reactor by gas pipe line, for the regenerative response of next stage reactor provides energy;
S6: discharging: after all reactors have all reacted, open discharge port and take out regenerated rubber product.
The invention has the beneficial effects as follows:
(1) reaction of the single reaction still 250～300kwh that need consume energy, adopts after the present invention, utilizes the waste heat overbottom pressure of prime reactor, can reduce energy consumption 120～150kwh, and energy-saving effect is very remarkable, and can reduce production costs to a great extent;
(2) the waste heat overbottom pressure of the prime reactor that utilization is recycled, can shorten and heat about 30 minutes clamping times, enhances productivity more than 30%;
(3) after the reaction of single reaction still, the gas of discharge is 80～140m
3, adopting after the present invention, the recycling of the waste heat overbottom pressure by next stage reactor to the reaction of prime reactor, by prime reactor 60～100 m
3gas input next stage reactor, reduced by 60～100 m
3gas purging, emission reduction effect is fairly obvious.
Brief description of the drawings
Fig. 1 is the structural representation of regenerating waste or used rubber production energy-saving device;
Fig. 2 is the structural representation of the regenerating waste or used rubber production energy-saving device that is made up of four reactors;
In figure, 1-main pressurization mouthful, 2-air inlet capstan, the main pressure relief opening of 3-, 4-exhaust pressure relief pipeline, 5-branch pressure relief opening, 6-gas pipe line, the pressurization mouthful of 7-branch, 8-opening for feed, 9-discharge port.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of regenerating waste or used rubber production energy-saving device, it is made up of at least two reactors for the dynamic desulfurization manufacture of High Temperature High Pressure regenerated rubber, the main pressurization mouth 1 of each reactor is connected with air inlet capstan 2 respectively, the main pressure relief opening 3 of each reactor is connected with exhaust pressure relief pipeline 4 respectively, on each reactor, be equipped with branch's pressure relief opening 5, the branch pressurization of branch's pressure relief opening 5 of prime reactor by gas pipe line 6 and next stage reactor mouthfuls 7 is connected, and branch's pressure relief opening 5 of final stage reactor is connected with the branch of first step reactor pressurization mouth 7.On the inlet duct of each main pressurization mouth 1, the outlet conduit of main pressure relief opening 3 and each section of gas pipe line 6, be equipped with gate valve, gate valve is electromagnetic valve.
As shown in Figure 2, regenerating waste or used rubber production energy-saving device is made up of four reactors for the dynamic desulfurization manufacture of High Temperature High Pressure regenerated rubber, the main pressurization mouth 1 of each reactor is connected with air inlet capstan 2 respectively, the main pressure relief opening 3 of each reactor is connected with exhaust pressure relief pipeline 4 respectively, on each reactor, be equipped with branch's pressure relief opening 5, branch's pressure relief opening 5 of the first reactor is connected with branch's pressurization mouth 7 of the second reactor by gas pipe line 6, branch's pressure relief opening 5 of the second reactor is connected with branch's pressurization mouth 7 of the 3rd reactor by gas pipe line 6, branch's pressure relief opening 5 of the 3rd reactor is connected with branch's pressurization mouth 7 of the 4th reactor by gas pipe line 6, branch's pressure relief opening 5 of the 4th reactor and the branch of the first reactor pressurization mouthfuls 7 is connected.
A kind of regenerating waste or used rubber energy-saving production method, it comprises the following steps:
S1: reinforced: to open the opening for feed 8 of each reactor, add waste old starting material to each reactor respectively, add rear off-response still;
S2: increasing temperature and pressure: open the gate valve on each main pressurization mouthful 1 inlet duct, close the gate valve on each main pressure relief opening 3 and branch's pressure relief opening 5 outlet conduits, to carrying out increasing temperature and pressure in reactor;
S3: regenerative response: in the time that the temperature in reactor and air pressure reach the temperature required and air pressure of default regenerative response, close the gate valve on main pressurization mouthful 1 inlet duct, stop increasing temperature and pressure;
S4: cooling: after rubber regeneration reacts completely, to the regenerated rubber the obtaining processing of lowering the temperature;
S5: exhaust step-down: open the gate valve on gas pipe line 6 between branch's pressure relief opening 5 of prime reactor and the branch of next stage reactor pressurization mouth 7, prime reactor reacts remaining heat and pressure flows in next stage reactor by gas pipe line 6, for the regenerative response of next stage reactor provides energy;
S6: discharging: after all reactors have all reacted, open discharge port 9 and take out regenerated rubber product.
Claims (4)
1. a regenerating waste or used rubber energy-saving production method, utilize the regenerating waste or used rubber production energy-saving device of designed, designed, the recycle system that multiple reactors is connected into entirety and form is carried out rubber regeneration production, progressively successive reaction of each reactor, prime reactor reacts remaining heat and pressure flows in next stage reactor with recycle by gas pipe line, reduce production energy consumption and cost, enhance productivity, reduce " three wastes " quantity discharged, it is characterized in that, described production method comprises the following steps:
S1: reinforced: to open the opening for feed (8) of each reactor, add waste old starting material to each reactor respectively, add rear off-response still;
S2: increasing temperature and pressure: open the gate valve on each main pressurization mouthful (1) inlet duct, close the gate valve on each main pressure relief opening (3) and branch's pressure relief opening (5) outlet conduit, to carrying out increasing temperature and pressure in reactor;
S3: regenerative response: in the time that the temperature in reactor and air pressure reach the temperature required and air pressure of default regenerative response, close the gate valve on main pressurization mouthful (1) inlet duct, stop increasing temperature and pressure;
S4: cooling: after rubber regeneration reacts completely, to the regenerated rubber the obtaining processing of lowering the temperature;
S5: exhaust step-down: open the gate valve on gas pipe line (6) between branch's pressure relief opening (5) of prime reactor and the branch of next stage reactor pressurization mouthful (7), prime reactor reacts remaining heat and pressure flows in next stage reactor, for the regenerative response of next stage reactor provides energy by gas pipe line (6);
S6: discharging: after all reactors have all reacted, open discharge port (9) and take out regenerated rubber product.
2. a kind of regenerating waste or used rubber energy-saving production method according to claim 1, it is characterized in that, described regenerating waste or used rubber production energy-saving device is made up of at least two reactors for the dynamic desulfurization manufacture of High Temperature High Pressure regenerated rubber, the main pressurization mouthful (1) of each reactor is connected with air inlet capstan (2) respectively, the main pressure relief opening (3) of each reactor is connected with exhaust pressure relief pipeline (4) respectively, on each reactor, be equipped with branch's pressure relief opening (5), branch's pressure relief opening (5) of prime reactor is connected with branch's pressurization mouthful (7) of next stage reactor by gas pipe line (6), branch's pressure relief opening (5) of final stage reactor is connected with the branch of first step reactor pressurization mouthful (7).
3. a kind of regenerating waste or used rubber energy-saving production method according to claim 1 and 2, is characterized in that: on the inlet duct of described each main pressurization mouthful (1), the outlet conduit of main pressure relief opening (3) and each section of gas pipe line (6), be equipped with gate valve.
4. a kind of regenerating waste or used rubber energy-saving production method according to claim 1 and 2, is characterized in that: described gate valve is electromagnetic valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210383922.6A CN102942710B (en) | 2012-10-11 | 2012-10-11 | Apparatus and method for waste rubber regeneration energy saving production |
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| CN112917757A (en) * | 2021-02-03 | 2021-06-08 | 孙卉 | Waste rubber desulfurization plasticizing processing device |
| CN115746394B (en) * | 2022-10-25 | 2023-09-26 | 焦作市三泰机械制造安装有限公司 | Device and method for regenerating topological allosteric reclaimed rubber by using waste rubber products under normal pressure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258499Y (en) * | 1996-04-26 | 1997-07-30 | 秦国祥 | Equipment for producing regenerated rubber by dynamic desulfuration method |
| CN1163904A (en) * | 1996-04-26 | 1997-11-05 | 秦国祥 | Process of technique transformation for producing reclaimed rubber by dynamic desulfating |
| CN201669037U (en) * | 2010-05-12 | 2010-12-15 | 南通回力橡胶有限公司 | Device for waste gas purification treatment and heat utilization in reclaimed rubber desulfuration |
| CN202786084U (en) * | 2012-10-11 | 2013-03-13 | 徐振东 | Energy-saving production apparatus for regenerating waste rubber |
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- 2012-10-11 CN CN201210383922.6A patent/CN102942710B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258499Y (en) * | 1996-04-26 | 1997-07-30 | 秦国祥 | Equipment for producing regenerated rubber by dynamic desulfuration method |
| CN1163904A (en) * | 1996-04-26 | 1997-11-05 | 秦国祥 | Process of technique transformation for producing reclaimed rubber by dynamic desulfating |
| CN201669037U (en) * | 2010-05-12 | 2010-12-15 | 南通回力橡胶有限公司 | Device for waste gas purification treatment and heat utilization in reclaimed rubber desulfuration |
| CN202786084U (en) * | 2012-10-11 | 2013-03-13 | 徐振东 | Energy-saving production apparatus for regenerating waste rubber |
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