CN108912393A - A kind of preparation method of reclaimed rubber - Google Patents
A kind of preparation method of reclaimed rubber Download PDFInfo
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- CN108912393A CN108912393A CN201810782163.8A CN201810782163A CN108912393A CN 108912393 A CN108912393 A CN 108912393A CN 201810782163 A CN201810782163 A CN 201810782163A CN 108912393 A CN108912393 A CN 108912393A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
- C08J11/22—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
- C08J11/22—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
- C08J11/24—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
- C08J11/28—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic compounds containing nitrogen, sulfur or phosphorus
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2317/00—Characterised by the use of reclaimed rubber
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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
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Abstract
The invention discloses a kind of preparation methods of reclaimed rubber, scrap rubber are successively crushed, filtering separation, desulfurization and refining, obtain the reclaimed rubber, it is characterised in that：Before crushing, softening agent first is sprayed to scrap rubber surface, it is crushed with pulverizer after 40-60min；Desulfurization 40-50min is carried out using digester when desulfurization, is emptied again after being purified after the completion of desulfurization to gas in digester；Reclaimed rubber and eliminating smell agent after desulfurization press 80-120:1 uniformly mixing, carries out refining process again after the completion of mixing.Advantages of the present invention：Method provided by the present invention is to reclaimed rubber favorable regeneration effect, waste old facilitates crushing under the action of softening agent, and waste old is crushed uniformly by grinding device, it is not in rubber grain situation not of uniform size, exhaust gas can be purified after the completion of desulfurization, it does not pollute the environment, for the reclaimed rubber produced by this method there is no strong smell, applicability is stronger.
Description
Technical field
The present invention relates to reclaimed rubber production equipment technology more particularly to a kind of preparation methods of reclaimed rubber.
Background technique
In spent high molecular material, specific gravity shared by waste old is only second to waste plastic.Since scrap rubber will not
Natural decomposition, so that the amount of scrap rubber is in close proximity to the output of rubber, the accumulation of a large amount of waste olds and inappropriate processing,
While resulting in waste of resources, also serious pollution environment causes " black pollution ".By waste old carry out proper treatment and
Resource reclaim can not only protect environment, be also relate to Macromolecular materials industry whether sustainable development.
Reclaimed rubber partly can replace raw rubber to be used for rubber product, to save raw rubber and carbon black, be also beneficial to improve processing
Certain performances of performance and rubber product.Regenerative process is scrap rubber in plasticizer (softening agent and activator), oxygen, heat and mechanical shear
Make the moieties chain of vulcanized rubber and the process of crosslinking points fracture under the comprehensive function cut.Softening agent plays expansion and plasticising is made
With there are commonly coal tar, pine tar, petroleum line softener, cracked residues.Activator can be shortened the reproduction time, reduce softening
Agent dosage.Common activator is aromatic mercaptans and its zinc salt and aromatic disulfides.Reclaimed rubber production process includes powder
3 processes of broken, regeneration (desulfurization) and refining.Technique mainly has oil process (open steam static method), water/oil method (cooking process), high temperature
Dynamic desulfurization, extruding process, method of chemical treatment, microwave method etc..The manufacturing method for the reclaimed rubber that China primarily now applies has oil
Method, water/oil method and high-temperature dynamic desulfurization manufacture reclaimed rubber.
In reclaimed rubber production process, especially in sweetening process, a small amount of hydrogen sulfide and sulfur dioxide gas can be generated
Body, this kind of gas are handled not in time, can be polluted to atmosphere.After the completion of reclaimed rubber preparation, the general smell ratio of reclaimed rubber ontology
Heavier suitable with the smell of waste old, limitation is big when in use for this kind of reclaimed rubber.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of preparation side of the reclaimed rubber proposed
Method.
To achieve the goals above, present invention employs following technical solutions：
A kind of preparation method of reclaimed rubber is successively crushed scrap rubber, filtering separation, desulfurization and refining, obtain it is described again
Raw rubber, it is characterised in that：Before crushing, softening agent first is sprayed to scrap rubber surface, it is carried out with pulverizer after 40-60min
It crushes；Desulfurization 40-50min is carried out using digester when desulfurization, is arranged again after being purified after the completion of desulfurization to gas in digester
It is empty；Reclaimed rubber and eliminating smell agent after desulfurization press 80-120:1 uniformly mixing, carries out refining process, eliminating smell agent again after the completion of mixing
Raw material include by weight：220-265 parts of moso bamboo, 70-110 parts of RO water, 5-10 parts of plant ash, 15-25 parts of tealeaves, ethylenediamine
15-20 parts of tetraacethyl, 25-30 parts of salt, 5-10 parts of tetrahydrofuran, 8-13 parts of zinc oxide.
Preferably, the raw material of eliminating smell agent includes by weight：230 parts of moso bamboo, 75 parts of RO water, 6 parts of plant ash, tealeaves 17
Part, 17 parts of ethylenediamine tetra-acetic acid, 26 parts of salt, 7 parts of tetrahydrofuran, 12 parts of zinc oxide.
Preferably, the raw material of eliminating smell agent includes by weight：253 parts of moso bamboo, 105 parts of RO water, 9 parts of plant ash, tealeaves 23
Part, 19 parts of ethylenediamine tetra-acetic acid, 29 parts of salt, 9 parts of tetrahydrofuran, 9 parts of zinc oxide.
Preferably, the raw material of the softening agent includes by weight：10-15 parts of cocoanut shell, 8-12 parts of chestnut shell, semen litchi
5-10 parts, 15-25 parts of rapeseed, 15-20 parts of palm oil, 25-30 parts of glycerol, the wherein moisture of cocoanut shell, chestnut shell, semen litchi
Content is in 5%-7%.
Preferably, the raw material of the softening agent includes by weight：12.3 parts of cocoanut shell, 8.4 parts of chestnut shell, semen litchi
7.8 parts, 24.6 parts of rapeseed, 17 parts of palm oil, 28 parts of glycerol, wherein cocoanut shell, chestnut shell, semen litchi moisture content exist
6%。
Preferably, the preparation method of the softening agent includes the following steps：
S1, various raw materials are weighed according to the proportion, it is spare；Cocoanut shell, chestnut shell, semen litchi are crushed respectively, 4 meshes is crossed, obtains
Cocoanut shell particle, chestnut shell particle, lychee exocarp particle are spare；
S2, rapeseed is divided into rapeseed A and two groups of rapeseed B, the weight ratio of rapeseed A and rapeseed B are 1：2.2, it will be oily
Vegetable seed A Freezing smashing crosses 140 meshes and obtains canola；
S3, cocoanut shell particle, chestnut shell particle obtained in S1, lychee exocarp particle are put into frying pan, are stir-fried 4 points at 155 DEG C
Rapeseed B is added in Zhong Hou, stir-fries after 27 clocks, crushed 145 meshes and obtain hybrid solid；
S4, after palm oil is heated to 74 DEG C, hybrid solid obtained in S3 is added, insulated and stirred 6 minutes, adds glycerol,
Stirring 5 minutes, obtains mixing liquid；
S5, canola obtained in S2 is added in mixing liquid obtained in 46 DEG C of S4, stirs 8 minutes, obtains ring
Softening agent.
Preferably, when crushing using uniform reclaimed rubber pulverizer is crushed, which includes crush box, powder
Be equipped with feed opening on the upside of broken case, be equipped with discharge hole on the downside of crush box, the intermediate tie connecting partition on the inside of crush box, partition with
Round tube is equipped on the inside of crush box between top plate, round tube can reciprocatingly slide between top plate on the inside of partition and crush box, crush
Two cylinders of case side mating connection, the piston rod of each cylinder are penetrated through to crush box, and the piston rod of each cylinder is equal
It is connected with round tube, one group of spring element is uniformly provided on the inner wall of crush box and cylinder opposite side, at the center of partition
Place is equipped with opening, in opening mating connection filter screen；
It is uniformly provided with fixed cutting tool on the inner wall of round tube, first motor is housed at crush box outer side center, first motor
Main shaft is down-set and runs through the wainscot of crush box, main shaft the first rotating bar of mating connection of first motor, the first rotating bar
It is arranged in round tube, rotation cutter is uniformly provided in the first rotating bar, dynamic cutter is shifted to install with fixed cutting tool；
Sieving plate is equipped with below round tube, screening board ends are equipped with separating twice device, and each separating twice device wraps
Horizontally disposed plate is included, plate is fixedly connected on the side wall of crush box, and material-dropping hole is uniformly provided on plate, separate in plate
The side of crushing box side wall is fixedly connected with vertical plate, and the sieving plate is fixedly connected on the upside of two vertical plates, on each vertical plate
Two first axle bearing bore are symmetrically arranged with, are set on the side wall of crushing box side wall there are two second bearing hole, two first bearings
Hole is arranged in a one-to-one correspondence with two second bearing holes, passes through axis between the second bearing hole of each first axle bearing bore corresponding thereto
Dynamic second rotating bar that is cooperatively connected is forwarded, two the second rotating bars are parallel and interval is arranged, and are all provided in two the second rotating bars
There is rotary cutter, the rotary cutter interval in two the second rotating bars shifts to install, and is equipped in each second rotating bar one end
Second motor, the second motor are fixedly connected on the outside of crush box.
Preferably, pass through emission-control equipment after the completion of desulfurization to purify gas in digester, the exhaust-gas treatment
Device includes absorption tower, and absorption tower connects adsorption tanks by first pipe, and adsorption tanks connect respiratory box by second pipe, inhaling
It receives case and is provided with calcium hydroxide solution, second pipe perforation respiratory box is simultaneously protruded into calcium hydroxide solution, set on the upside of respiratory box
There is blow-down pipe, blow-down pipe lower end is connected to respiratory box case.
Preferably, absorption tower includes tower body, be successively arranged from the bottom to top in tower body the first adsorption piece, the second adsorption piece,
Demister forms the first cavity, shape between the second adsorption piece and the first adsorption piece between the first adsorption piece and tower body inside bottom
At the second cavity, third cavity is formed between demister and the second adsorption piece, and the is formed between demister and tower body inside top
Four cavitys are equipped with inlet suction port, exhaust joint and waste liquid connector on tower body, and inlet suction port, waste liquid connector are with described first
Cavity is connected, and exhaust joint is connected with the 4th cavity.
The advantage of the invention is that：Method provided by the present invention is softening reclaimed rubber favorable regeneration effect, waste old
Facilitate crushing under the action of agent, and waste old is crushed uniformly by grinding device, is not in that rubber grain is not of uniform size
Situation can purify exhaust gas after the completion of desulfurization, not pollute the environment, the reclaimed rubber produced by this method there is no
Strong smell, applicability are stronger.
Detailed description of the invention
Fig. 1 is the basic structure schematic diagram of reclaimed rubber pulverizer；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the basic structure schematic diagram of partition；
Fig. 4 is the basic structure schematic diagram of round tube；
Fig. 5 is the basic structure schematic diagram of emission-control equipment；
Fig. 6 is the basic structure schematic diagram on absorption tower；
Fig. 7 is the basic structure schematic diagram of liquid accumulating device.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1
A kind of preparation method of reclaimed rubber provided by the invention is successively crushed scrap rubber, filtering separation, desulfurization and essence
Refining, obtains the reclaimed rubber, before crushing, first sprays softening agent to scrap rubber surface, the raw material of softening agent includes by weight：
14 parts of cocoanut shell, 11 parts of chestnut shell, 8 parts of semen litchi, 20 parts of rapeseed, 18 parts of palm oil, 27 parts of glycerol, wherein cocoanut shell, plate
Chestnut shell, the moisture content of semen litchi are 5.5%.
The preparation method of softening agent includes the following steps：
S1, various raw materials are weighed according to the proportion, it is spare；Cocoanut shell, chestnut shell, semen litchi are crushed respectively, 4 meshes is crossed, obtains
Cocoanut shell particle, chestnut shell particle, the spare of lychee exocarp particle
S2, rapeseed is divided into rapeseed A and two groups of rapeseed B, the weight ratio of rapeseed A and rapeseed B are 1：2.2, it will be oily
Vegetable seed A Freezing smashing crosses 140 meshes and obtains canola.
S3, cocoanut shell particle, chestnut shell particle obtained in S1, lychee exocarp particle are put into frying pan, are turned at 155 DEG C
After frying 4 minutes, rapeseed B is added, stir-fries after 27 clocks, crushed 145 meshes and obtain hybrid solid.
S4, after palm oil is heated to 74 DEG C, hybrid solid obtained in S3 is added, insulated and stirred 6 minutes, adds sweet
Oil stirs 5 minutes, obtains mixing liquid.
S5, canola obtained in S2 is added in mixing liquid obtained in 46 DEG C of S4, stirs 8 minutes, obtains
To ring softening agent.
After softening agent is sprayed into waste old surface 45min, it is crushed with pulverizer.It is uniform again using crushing
Raw rubber pulverizer, as Figure 1-Figure 4, the reclaimed rubber pulverizer include crush box 1, and crush box 1 is rectangular cabinet, crush box
1 upside is equipped with feed opening 1.1, is equipped with discharge hole 1.3 on the downside of crush box 1.
In 1 inside intermediate tie connecting partition 5 of crush box, partition 5 is horizontally disposed, and opening is equipped at the center of partition 5
5.2, the mating connection filter screen 5.3 at opening 5.2.
First sliding groove 5.1 is symmetrically arranged on partition 5, be symmetrically arranged on 1 inside top plate of crush box second sliding slot every
Round tube 2 is equipped between 1 inside top plate of plate 5 and crush box, round tube 2 is vertically arranged, and is symmetrically arranged with the first sliding block in 2 lower end of round tube
2.1, the first sliding block 2.1 is arranged in a one-to-one correspondence in first sliding groove 5.1 and can reciprocatingly slide in first sliding groove 5.1, in circle
2 upper end of pipe is symmetrically arranged with the second sliding block 2.2, and the second sliding block 2.2 is arranged in a one-to-one correspondence can be sliding second in second sliding slot inscribe
It reciprocatingly slides in slot.Round tube 2 can be by the first sliding block 2.1 and the second sliding block 2.2 of its upper and lower ends in partition 5 and crush box
It reciprocatingly slides between 1 inside top plate.
In 1 side of crush box mating connection, two cylinders 13, the piston rod of each cylinder 13 is penetrated through to crush box 1
Side, the piston rod of each cylinder 13 are connected with round tube 2.
It is uniformly provided with one group of spring element 14 on the inner wall of crush box 1 and 13 opposite side of cylinder, in the present embodiment preferably
Using two spring elements 14, each spring element 14 includes two fixed plates being correspondingly arranged, and is consolidated between two fixed plates
Surely brute spring is connected, one of fixed plate is fixedly connected on the inner wall of crush box 1, another fixed plate and the round tube
2 connect.
The uniform welding fixed cutting tool 4.2 on the inner wall of round tube 2 is equipped with first motor 3 at 1 outer side center of crush box,
The main shaft of first motor 3 is down-set and runs through the wainscot of crush box 1, the first rotation of main shaft mating connection of first motor 3
Bar 4, the first rotating bar 4 are arranged in round tube 2, and the first rotating bar 4 is coaxially disposed with round tube 2, uniformly weld in the first rotating bar 4
Fixed rotation cutter 4.1 is connect, dynamic cutter 4.1 is shifted to install with fixed cutting tool 4.2.
One group of air pushing hole 1.2 is additionally provided on crush box 1, the present embodiment preferably uses 4 air pushing holes 1.2, in each air-supply
Air supply tube 5 is equipped in hole 1.2,5 one end of air supply tube connects the air outlet of 1 outside blower of crush box, the connection of 5 other end of air supply tube
Outlet air spray head 5.1, outlet air spray head 5.1 are arranged towards the inside of round tube 2
Sieving plate 8 is equipped with below round tube 2, sieving plate 8 is V-arrangement sieving plate, and the v-shaped opening of V-arrangement sieving plate is arranged downward.Or sieve
The upper surface of scoreboard 8 is from both sides of the edge to center incline structure, and the level height at 8 center of sieving plate is greater than the level at its edge
Highly.
8 both ends of sieving plate are equipped with separating twice device.Each separating twice device includes horizontally disposed plate
6, plate 6 is weldingly fixed on the side wall of crush box 1, and material-dropping hole 6.1 is uniformly provided on plate 6, in plate 6 far from crush box 1
Vertical plate 7 is welded and fixed in the side of side wall, and sieving plate 8 is fixedly connected on the upside of two vertical plates 7.
It is symmetrically arranged with two first axle bearing bore on each vertical plate 7, sets that there are two the on the side wall of 1 side wall of crush box
Two bearing holes, two first axle bearing bore are arranged in a one-to-one correspondence with two second bearing holes, each first axle bearing bore corresponding thereto
Second bearing hole between be rotatably assorted the second rotating bar 10 of connection by bearing, two the second rotating bars 10 are parallel and interval is set
It sets, rotary cutter 11 is equipped in two the second rotating bars 10, the rotary cutter 11 in two the second rotating bars 10 is spaced mistake
Position setting.
It is equipped with the second motor 9 in each second rotating bar, 10 one end, the second motor 9 is fixedly connected on the outer of crush box 1
Side.1 inside bottom of crush box is symmetrically arranged with stock guide 12, and each stock guide 12 is obliquely installed, the lower one end of stock guide 12
It is arranged towards discharge hole 1.3.
Desulfurization 45min is carried out using digester when desulfurization, is arranged again after being purified after the completion of desulfurization to gas in digester
It is empty.The present embodiment purifies gas in digester by emission-control equipment, as shown in fig. 3 to 7, emission-control equipment packet
Absorption tower 51 is included, absorption tower 51 includes tower body, is successively arranged the first adsorption piece 51.1, the second adsorption piece from the bottom to top in tower body
51.2, demister 51.4, the first adsorption piece 51.1 is identical as 51.2 structure of the second adsorption piece, they include adsorbent supporting plate
51.11, it is uniformly provided with through-hole on supporting plate 51.11, is equipped with adsorbent on the upside of adsorbent supporting plate 51.11.In first adsorption piece 51.1
Adsorbent use activated alumina adsorbents, the adsorbent in the second adsorption piece 51.2 uses silica gel absorber.
The first cavity 51.91, the second adsorption piece 51.2 and are formed between first adsorption piece 51.1 and tower body inside bottom
The second cavity 51.92 is formed between one adsorption piece 51.1, and third cavity is formed between demister 51.4 and the second adsorption piece 51.2
51.93, between demister 51.4 and tower body inside top formed the 4th cavity 51.94, on tower body be equipped with inlet suction port 51.7,
Exhaust joint 51.71 and waste liquid connector 51.72, mating connection sewage pipe 51.8 at waste liquid connector 51.72 fill on sewage pipe 51.8
There is blowdown valve, inlet suction port 51.7, waste liquid connector 51.72 are connected with first cavity 51.91, exhaust joint 51.71
It is connected with the 4th cavity 51.94.Inlet suction port 51.7 is connected by corresponding admission line with digester.
Be equipped with the first shower tray 51.6 in the third cavity 51.93, the inlet of the first shower tray 51.6 by into
Liquid pipe 51.51 connects the water tank 51.5 on the outside of tower body.It is equipped with liquid accumulating device 51.3 in second cavity 51.92, liquid accumulating device 51.3 includes
Hydrops funnel 51.31,51.31 lower end of liquid funnel connects the second shower tray 51.33 by liquid trap 51.32, in liquid trap 51.32
On be additionally provided with liquid booster pump 51.34.
The exhaust joint 51.71 on absorption tower 51 is arranged at the top of tower body, the connection of exhaust joint 51.71 first on absorption tower 51
55 one end of pipeline, 55 other end of first pipe are connected with the bottom of adsorption tanks 52, and adsorption tanks 52 include tank body, and tank body is interior under
It is supreme to be sequentially arranged with 4A molecular sieve 52.1, absorption activated carbon 52.2.
The top of adsorption tanks 52 connects respiratory box 53 by second pipe 56, and it is molten to be provided with calcium hydroxide in respiratory box 53
Liquid, second pipe 56 penetrate through respiratory box 53 and protrude into calcium hydroxide solution, and blow-down pipe 54, emptying are equipped on the upside of respiratory box 53
54 lower end of pipe is connected to respiratory box 53 casees.
Reclaimed rubber and eliminating smell agent after desulfurization press 100:1 uniformly mixing, carries out refining process again after the completion of mixing.Wherein
The raw material of eliminating smell agent includes by weight：240 parts of moso bamboo, 790 parts of RO water, 7 parts of plant ash, 19 parts of tealeaves, ethylenediamine tetra-acetic acid
18 parts, 28 parts of salt, 6 parts of tetrahydrofuran, 11 parts of zinc oxide.
Eliminating smell agent preparation process is as follows, and tealeaves is ground into slag, and moso bamboo is pulverized into powder, by smashed tealeaves, powder
Moso bamboo, plant ash, ethylenediamine tetra-acetic acid after broken, salt, tetrahydrofuran, zinc oxide uniformly mix in proportion；After the completion of mixing
RO water is added into mixture, side is added the stirring of the waterside RO, eliminating smell agent is obtained after being thoroughly mixed.
Embodiment 2
The raw material of eliminating smell agent in embodiment 1 can also be by weight：230 parts of moso bamboo, 75 parts of RO water, 6 parts of plant ash, tealeaves
17 parts, 17 parts of ethylenediamine tetra-acetic acid, 26 parts of salt, 7 parts of tetrahydrofuran, 12 parts of zinc oxide.
The raw material of softening agent can also be by weight：12.3 parts of cocoanut shell, 8.4 parts of chestnut shell, 7.8 parts of semen litchi, oil
24.6 parts of vegetable seed, 17 parts of palm oil, 28 parts of glycerol, wherein the moisture content of cocoanut shell, chestnut shell, semen litchi is 6%.
Embodiment 3
The raw material of eliminating smell agent in embodiment 1 can also be by weight：253 parts of moso bamboo, 105 parts of RO water, 9 parts of plant ash, tea
23 parts of leaf, 19 parts of ethylenediamine tetra-acetic acid, 29 parts of salt, 9 parts of tetrahydrofuran, 9 parts of zinc oxide.
Claims (9)
1. a kind of preparation method of reclaimed rubber, scrap rubber is successively crushed, filtering separation, desulfurization and refining, described in acquisition
Reclaimed rubber, it is characterised in that：Before crushing, softening agent first is sprayed to scrap rubber surface, after 40-60min with pulverizer to its into
Row crushes；Desulfurization 40-50min is carried out using digester when desulfurization, after purifying after the completion of desulfurization to gas in digester again
Emptying；Reclaimed rubber and eliminating smell agent after desulfurization press 80-120:1 uniformly mixing, carries out refining process, taste removal again after the completion of mixing
The raw material of agent includes by weight：220-265 parts of moso bamboo, 70-110 parts of RO water, 5-10 parts of plant ash, 15-25 parts of tealeaves, second two
15-20 parts of amine tetraacethyl, 25-30 parts of salt, 5-10 parts of tetrahydrofuran, 8-13 parts of zinc oxide.
2. a kind of preparation method of reclaimed rubber according to claim 1, it is characterised in that：The raw material of eliminating smell agent is by weight
Including：230 parts of moso bamboo, 75 parts of RO water, 6 parts of plant ash, 17 parts of tealeaves, 17 parts of ethylenediamine tetra-acetic acid, 26 parts of salt, tetrahydrofuran
7 parts, 12 parts of zinc oxide.
3. a kind of preparation method of reclaimed rubber according to claim 1, it is characterised in that：The raw material of eliminating smell agent is by weight
Including：253 parts of moso bamboo, 105 parts of RO water, 9 parts of plant ash, 23 parts of tealeaves, 19 parts of ethylenediamine tetra-acetic acid, 29 parts of salt, tetrahydro furan
It mutters 9 parts, 9 parts of zinc oxide.
4. a kind of preparation method of reclaimed rubber according to claim 1, it is characterised in that：The raw material of the softening agent is by weight
Measuring part includes：10-15 parts of cocoanut shell, 8-12 parts of chestnut shell, 5-10 parts of semen litchi, 15-25 parts of rapeseed, 15-20 parts of palm oil,
25-30 parts of glycerol, wherein the moisture content of cocoanut shell, chestnut shell, semen litchi is in 5%-7%.
5. a kind of preparation method of reclaimed rubber according to claim 4, it is characterised in that：The raw material of the softening agent is by weight
Measuring part includes：12.3 parts of cocoanut shell, 8.4 parts of chestnut shell, 7.8 parts of semen litchi, 24.6 parts of rapeseed, 17 parts of palm oil, glycerol 28
Part, wherein the moisture content of cocoanut shell, chestnut shell, semen litchi is 6%.
6. a kind of preparation method of reclaimed rubber according to claim 4 or 5, it is characterised in that：The preparation of the softening agent
Method includes the following steps：
S1, various raw materials are weighed according to the proportion, it is spare；Cocoanut shell, chestnut shell, semen litchi are crushed respectively, 4 meshes is crossed, obtains
Cocoanut shell particle, chestnut shell particle, lychee exocarp particle are spare；
S2, rapeseed is divided into rapeseed A and two groups of rapeseed B, the weight ratio of rapeseed A and rapeseed B are 1：2.2, it will be oily
Vegetable seed A Freezing smashing crosses 140 meshes and obtains canola；
S3, cocoanut shell particle, chestnut shell particle obtained in S1, lychee exocarp particle are put into frying pan, are stir-fried 4 points at 155 DEG C
Rapeseed B is added in Zhong Hou, stir-fries after 27 clocks, crushed 145 meshes and obtain hybrid solid；
S4, after palm oil is heated to 74 DEG C, hybrid solid obtained in S3 is added, insulated and stirred 6 minutes, adds glycerol,
Stirring 5 minutes, obtains mixing liquid；
S5, canola obtained in S2 is added in mixing liquid obtained in 46 DEG C of S4, stirs 8 minutes, obtains ring
Softening agent.
7. a kind of preparation method of reclaimed rubber according to claim 1, it is characterised in that：It is uniform using crushing when crushing
Reclaimed rubber pulverizer, which includes crush box（1）, crush box（1）Upside is equipped with feed opening（1.1）, crush
Case（1）Downside is equipped with discharge hole（1.3）, in crush box（1）Inside intermediate tie connecting partition（5）, in partition（5）With crush box
（1）Round tube is equipped between the top plate of inside（2）, round tube（2）It can be in partition（5）With crush box（1）It is back and forth slided between the top plate of inside
It is dynamic, in crush box（1）Two cylinders of side mating connection（13）, each cylinder（13）Piston rod penetrate through to crush box（1）
Inside, each cylinder（13）Piston rod and round tube（2）It connects, in crush box（1）With cylinder（13）Opposite side
One group of spring element is uniformly provided on inner wall（14）, in partition（5）Center at be equipped with opening（5.2）, it is being open（5.2）Place's cooperation
Connect filter screen（5.3）；
In round tube（2）Inner wall on be uniformly provided with fixed cutting tool（4.2）, in crush box（1）First motor is housed at outer side center
（3）, first motor（3）Main shaft it is down-set and run through crush box（1）Wainscot, first motor（3）Main shaft cooperate connect
Connect the first rotating bar（4）, the first rotating bar（4）It is arranged in round tube（2）It is interior, in the first rotating bar（4）On be uniformly provided with rotation and cut
Knife（4.1）, move cutter（4.1）With fixed cutting tool（4.2）It shifts to install；
In round tube（2）Lower section is equipped with sieving plate（8）, sieving plate（8）Both ends are equipped with separating twice device, each separating twice
Device includes horizontally disposed plate（6）, plate（6）It is fixedly connected on crush box（1）Side wall on, plate（6）It is upper uniform
Equipped with material-dropping hole（6.1）, in plate（6）Far from crush box（1）The side of side wall is fixedly connected with vertical plate（7）, the sieving plate（8）
It is fixedly connected on two vertical plates（7）Upside, in each vertical plate（7）On be symmetrically arranged with two first axle bearing bore, in crush box
（1）It being set on the side wall of side wall there are two second bearing hole, two first axle bearing bore are arranged in a one-to-one correspondence with two second bearing holes,
It is rotatably assorted between the second bearing hole of each first axle bearing bore corresponding thereto by bearing and connects the second rotating bar（10）, two
A second rotating bar（10）Parallel and interval setting, in two the second rotating bars（10）On be equipped with rotary cutter（11）, two
Second rotating bar（10）On rotary cutter（11）Interval shifts to install, in each second rotating bar（10）One end is equipped with second
Motor（9）, the second motor（9）It is fixedly connected on crush box（1）Outside.
8. a kind of preparation method of reclaimed rubber according to claim 1, it is characterised in that：Pass through at exhaust gas after the completion of desulfurization
Reason device purifies gas in digester, and the emission-control equipment includes absorption tower（51）, absorption tower（51）Pass through
One pipeline（55）Connect adsorption tanks（52）, adsorption tanks（52）Pass through second pipe（56）Connect respiratory box（53）, in respiratory box
（53）It is provided with calcium hydroxide solution, second pipe（56）Penetrate through respiratory box（53）And protrude into calcium hydroxide solution, it is absorbing
Case（53）Upside is equipped with blow-down pipe（54）, blow-down pipe（54）Lower end and respiratory box（53）Case connection.
9. a kind of preparation method of reclaimed rubber according to claim 8, it is characterised in that：Absorption tower（51）Including tower body,
It is successively arranged the first adsorption piece from the bottom to top in tower body（51.1）, the second adsorption piece（51.2）, demister（51.4）, first inhales
Attachment（51.1）The first cavity is formed between tower body inside bottom（51.91）, the second adsorption piece（51.2）With the first adsorption piece
（51.1）Between form the second cavity（51.92）, demister（51.4）With the second adsorption piece（51.2）Between formed third cavity
（51.93）, demister（51.4）The 4th cavity is formed between tower body inside top（51.94）, air inlet connecting is equipped on tower body
Head（51.7）, exhaust joint（51.71）With waste liquid connector（51.72）, inlet suction port（51.7）, waste liquid connector（51.72）With
First cavity（51.91）It is connected, exhaust joint（51.71）With the 4th cavity（51.94）It is connected.
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| CN201810782163.8A CN108912393A (en) | 2018-07-17 | 2018-07-17 | A kind of preparation method of reclaimed rubber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111690168A (en) * | 2020-07-01 | 2020-09-22 | 江西国燕高新材料科技有限公司 | Desulfurization equipment for producing regenerated rubber and desulfurization method thereof |
| CN114736426A (en) * | 2022-04-14 | 2022-07-12 | 刘嘉博 | Rubber desulfurization and refining integrated machine |
Citations (3)
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|---|---|---|---|---|
| CN101821331A (en) * | 2007-10-10 | 2010-09-01 | 株式会社日本触媒 | Water-absorbing resin composition and process for production of the same |
| US20130136713A1 (en) * | 2010-09-24 | 2013-05-30 | Takasago International Corporation | Deodorant composition for sulfides |
| CN106750508A (en) * | 2016-03-17 | 2017-05-31 | 青岛科技大学 | A kind of damaged tire face renovation process |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101821331A (en) * | 2007-10-10 | 2010-09-01 | 株式会社日本触媒 | Water-absorbing resin composition and process for production of the same |
| US20130136713A1 (en) * | 2010-09-24 | 2013-05-30 | Takasago International Corporation | Deodorant composition for sulfides |
| CN106750508A (en) * | 2016-03-17 | 2017-05-31 | 青岛科技大学 | A kind of damaged tire face renovation process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111690168A (en) * | 2020-07-01 | 2020-09-22 | 江西国燕高新材料科技有限公司 | Desulfurization equipment for producing regenerated rubber and desulfurization method thereof |
| CN114736426A (en) * | 2022-04-14 | 2022-07-12 | 刘嘉博 | Rubber desulfurization and refining integrated machine |
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Application publication date: 20181130 |