阅读说明：本技术 一种废旧轮胎裂解系统 (Waste tire cracking system ) 是由 聂传凯 李香祖 徐俊士 吕红波 于 2020-05-28 设计创作，主要内容包括：本发明公开了一种废旧轮胎裂解系统,包括轮胎清洗单元,轮胎风干单元,轮胎拆分单元,输送裂解单元,颗粒物加工单元以及废气处理单元,所述轮胎清洗单元包括用于夹持固定轮胎的夹持机,用于废旧轮胎表面灰尘清洗的清洗机,用于将清洗后的废旧轮胎表面水分清除的除水机本发明对废旧轮胎进行裂解和裂解物处理,生产工艺简单、方便操作；生产得到的颗粒物制品可以作为添加剂用于轮胎工业生产,生产过程环保。本发明可以将废旧轮胎充分利用,将轮胎裂解成油或气体,油制品可以用来作为燃料,气体可以燃烧放热,供人们使用,从而达到资源充分利用。(The invention discloses a waste tire cracking system, which comprises a tire cleaning unit, a tire air drying unit, a tire splitting unit, a conveying cracking unit, a particulate matter processing unit and a waste gas treatment unit, wherein the tire cleaning unit comprises a clamping machine for clamping and fixing a tire, a cleaning machine for cleaning dust on the surface of the waste tire, and a water removing machine for removing water on the surface of the cleaned waste tire; the produced particulate product can be used as an additive for industrial production of tires, and the production process is environment-friendly. The invention can make full use of waste tires, and crack the tires into oil or gas, the oil product can be used as fuel, and the gas can be burnt to release heat for people to use, thereby achieving the purpose of making full use of resources.)

1. The utility model provides a junked tire schizolysis system, includes tire cleaning unit, and the tire air-dries the unit, and tire split unit carries the schizolysis unit, particulate matter processing unit and exhaust-gas treatment unit, its characterized in that: the tire cleaning unit comprises a clamping machine for clamping and fixing tires, a cleaning machine for cleaning dust on the surfaces of the waste tires, and a water removing machine for removing water on the surfaces of the cleaned waste tires;

the tire air drying unit comprises an air dryer used for air drying the moisture on the surface of the tire;

the tire splitting unit comprises a tire bead cutting machine for separating a tire bead from a tire body, a crusher for crushing rubber, a pulverizer for grinding crushed rubber blocks into rubber powder, an iron absorbing machine for separating steel wires from the rubber powder, and a storage bin for storing and supplying the rubber powder to the conveying and cracking unit;

the conveying cracking unit comprises a storage bin (1), a material pumping pump (2), a vacuum cracking furnace (3) and a cracking product conveying device; the bin (1), the material pumping pump (2) and the vacuum cracking furnace (3) are sequentially connected through a pipeline, a discharge hole (4) is formed in the bottom end of the vacuum cracking furnace (3), the lower end of the discharge hole (4) is connected with a cracking product conveying device, the cracking product conveying device comprises a feed hole (5), a cylindrical feeding dragon (6) and a carbon residue discharging cylinder (7), and an opening of the carbon residue discharging cylinder (7) is upward;

the particle processing unit comprises a magnetic separator, a micron-sized crusher, a fan, a filter, a granulator and a dryer, and the magnetic separator is connected with a carbon residue discharging barrel (7);

the waste gas treatment unit comprises a fractionating tower (8), a condenser (9) and an oil tank (10); the vacuum cracking furnace (3) is connected with an air inlet of the fractionating tower (8) through an air outlet pipe, an air outlet end of the fractionating tower (8) is connected with the gas combustion chamber through an air conveying pipe, a discharge end of the fractionating tower (8) is connected with the oil tank (10) through an oil conveying pipeline, and a condenser (9) is arranged at the top end of the fractionating tower (8).

2. The scrap tire cracking system in accordance with claim 1, wherein the exhaust gas treatment unit further comprises an oil pump and a gas fan; a gas fan is arranged on a gas pipe between the fractionating tower (8) and the gas combustion chamber; an oil pump is arranged on an oil pipeline between the fractionating tower (8) and the oil tank (10).

3. The scrap tire cracking system according to claim 1, wherein the vacuum cracking furnace (3) employs resistance heating.

4. A scrap tire cracking process, using the scrap tire cracking system of any one of claims 1 to 3, comprising the steps of:

the first step is as follows: fixing the waste tires on a tire cleaning unit through a clamping machine, and cleaning and removing impurities such as dust, soil, stones and the like on the surfaces of the waste tires through a cleaning machine to obtain clean waste tires;

the second step is that: the obtained clean waste tires are dried by air through an air dryer to remove the moisture on the surfaces of the waste tires;

the third step: sending the air-dried tire into a tire splitting unit, sequentially passing through a tire bead cutting machine, a crusher, a pulverizer and an iron absorber, cutting, crushing, pulverizing and removing iron from the waste tire to obtain rubber powder, and storing the rubber powder in a storage bin;

the fourth step: the obtained rubber powder is sent into a bin, the rubber powder is sent into a vacuum cracking furnace (3) through a material pumping pump for cracking, solid-phase particles generated by cracking enter a feeding hole (5), then are discharged into a cylindrical feeding auger (6), are cooled in the cylindrical feeding auger (6) and are sent to a carbon residue discharging barrel (7) for further processing;

the fifth step: solid particles generated by cracking waste tires enter a particle processing unit, and a particle product is obtained by sequentially passing through a magnetic separator, a micron-sized crusher, a fan, a filter, a granulator and a dryer; gas-phase substances generated in the cracking process enter a waste gas treatment unit, enter a fractionating tower (8) through a gas outlet pipe of a vacuum cracking furnace (3), cracked oil obtained after condensation and fractionation through a condenser (9) enters an oil tank (10) through an oil pipeline, and uncondensed gas is subjected to combustion treatment through a gas combustion chamber.

5. The process for the pyrolysis of waste tyres according to claim 4, wherein the obtained particulate products are packaged in sequence by a finished product storage tank and a finished product packaging machine.

6. Use of the scrap tire cracking system according to any one of claims 1-3 in scrap tire processing and in the production of particulate products.

Technical Field

The invention relates to a waste tire treatment system, in particular to a waste tire cracking system.

Background

With the rapid development of the automobile industry, the quantity of a large number of waste tires is remarkable, and resource recovery by using pyrolysis is a good way, so that waste can be changed into valuable. However, most of the prior art is biased to single utilization and development, and residual products in the recycling process are not recycled, so that the environment is easily polluted in the treatment process.

In recent years, people develop and utilize waste tires to produce gasoline, diesel oil, pyrolytic carbon black and the like, and a good direction is provided for the utilization of the waste tires. However, the problems of the prior art are that the dirtiness of the waste tires and the adhesion of a large amount of impurities such as soil, sand and the like on the surfaces of the waste tires are not considered, which brings influence on the subsequent treatment. In addition, the prior art has problems in that the tail gas treatment is not considered.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a waste tire cracking system.

The technical scheme adopted by the invention for solving the technical problems is as follows: a waste tire cracking system comprises a tire cleaning unit, a tire air drying unit, a tire splitting unit, a conveying and cracking unit, a particulate matter processing unit and a waste gas treatment unit, wherein the tire cleaning unit comprises a clamping machine for clamping and fixing a tire, a cleaning machine for cleaning dust on the surface of the waste tire and a water removing machine for removing water on the surface of the cleaned waste tire;

the tire air drying unit comprises an air dryer used for air drying the moisture on the surface of the tire;

the tire splitting unit comprises a tire bead cutting machine for separating a tire bead from a tire body, a crusher for crushing rubber, a pulverizer for grinding crushed rubber blocks into rubber powder, an iron absorbing machine for separating steel wires from the rubber powder, and a storage bin for storing and supplying the rubber powder to the conveying and cracking unit;

the conveying cracking unit comprises a storage bin, a material pumping pump, a vacuum cracking furnace and a cracking product conveying device; the device comprises a storage bin, a material pumping pump, a vacuum cracking furnace, a cracking product conveying device, a material discharging device and a material discharging device, wherein the storage bin, the material pumping pump and the vacuum cracking furnace are sequentially connected through pipelines, a discharge port is formed in the bottom end of the vacuum cracking furnace, the lower end of the discharge port is connected with the cracking product conveying device, the cracking product conveying device comprises a feed port, a cylindrical feeding auger and a carbon slag discharging barrel, and an opening of the carbon slag;

the particle processing unit comprises a magnetic separator, a micron-sized crusher, a fan, a filter, a granulator and a dryer, and the magnetic separator is connected with the carbon residue discharging barrel;

the waste gas treatment unit comprises a fractionating tower, a condenser and an oil tank; the vacuum cracking furnace is connected with the air inlet of the fractionating tower through an air outlet pipe, the air outlet end of the fractionating tower is connected with the gas combustion chamber through an air conveying pipe, the discharge end of the fractionating tower is connected with the oil tank through an oil conveying pipeline, and the top end of the fractionating tower is provided with a condenser.

In the waste tire cracking system, the waste gas treatment unit further comprises an oil pump and a gas fan; a gas fan is arranged on a gas pipe between the fractionating tower and the gas combustion chamber; and an oil pump is arranged on an oil conveying pipe between the fractionating tower and the oil tank.

In the waste tire cracking system, the vacuum cracking furnace adopts resistance heating.

The invention discloses a waste tire cracking process in a second aspect, and the waste tire cracking system is adopted, and comprises the following steps:

the first step is as follows: fixing the waste tires on a tire cleaning unit through a clamping machine, and cleaning and removing impurities such as dust, soil, stones and the like on the surfaces of the waste tires through a cleaning machine to obtain clean waste tires;

the second step is that: the obtained clean waste tires are dried by air through an air dryer to remove the moisture on the surfaces of the waste tires;

the third step: sending the air-dried tire into a tire splitting unit, sequentially passing through a tire bead cutting machine, a crusher, a pulverizer and an iron absorber, cutting, crushing, pulverizing and removing iron from the waste tire to obtain rubber powder, and storing the rubber powder in a storage bin;

the fourth step: the obtained rubber powder is sent into a bin, the rubber powder is sent into a vacuum cracking furnace through a material pumping pump for cracking, solid-phase particles generated by cracking enter a feeding hole and are then discharged into a cylindrical feeding dragon, and the solid-phase particles are cooled in the cylindrical feeding dragon and are sent to a carbon residue discharging barrel for further processing;

the fifth step: solid particles generated by cracking waste tires enter a particle processing unit, and a particle product is obtained by sequentially passing through a magnetic separator, a micron-sized crusher, a fan, a filter, a granulator and a dryer; gas-phase substances generated in the cracking process enter a waste gas treatment unit, enter a fractionating tower from a gas outlet pipe of a vacuum cracking furnace, cracked oil obtained after condensation and fractionation by a condenser enters an oil tank through an oil pipeline, and uncondensed gas is combusted in a gas combustion chamber.

According to the waste tire cracking process, the obtained particulate product is sequentially packaged by the finished product storage tank and the finished product packaging machine.

The third aspect of the invention discloses the application of the waste tire cracking system in waste tire treatment and particulate product production.

Compared with the prior art, the invention has the following advantages and prominent effects:

the invention has the advantages that the invention carries out cracking and lysate treatment on the waste tires, and the production process is simple and convenient to operate; the produced particulate product can be used as an additive for industrial production of tires, and the production process is environment-friendly. The invention can make full use of waste tires, and crack the tires into oil or gas, the oil product can be used as fuel, and the gas can be burnt to release heat for people to use, thereby achieving the purpose of making full use of resources.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of a scrap tire cracking system according to the present invention;

FIG. 2 is a schematic diagram of a transport lysis unit.

In the figure, 1, a storage bin, 2, a material pumping pump, 3, a vacuum cracking furnace, 4, a discharge port, 5, a feed port, 6, a cylindrical feeding screw, 7, a carbon residue discharge cylinder, 8, a fractionating tower, 9, a condenser and 10, an oil tank are arranged.

Detailed Description

In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[ example 1 ]

A waste tire cracking system comprises a tire cleaning unit, a tire air drying unit, a tire splitting unit, a conveying and cracking unit, a particulate matter processing unit and a waste gas treatment unit, wherein the tire cleaning unit comprises a clamping machine for clamping and fixing a tire, a cleaning machine for cleaning dust on the surface of the waste tire and a water removing machine for removing water on the surface of the cleaned waste tire;

the tire air drying unit comprises an air dryer used for air drying the moisture on the surface of the tire;

the tire splitting unit comprises a tire bead cutting machine for separating a tire bead from a tire body, a crusher for crushing rubber, a pulverizer for grinding crushed rubber blocks into rubber powder, an iron absorbing machine for separating steel wires from the rubber powder, and a storage bin for storing and supplying the rubber powder to the conveying and cracking unit;

the conveying cracking unit comprises a bin 1, a material pumping pump 2, a vacuum cracking furnace 3 and a cracking product conveying device; the bin 1, the material pumping pump 2 and the vacuum cracking furnace 3 are sequentially connected through pipelines, a discharge port 4 is formed in the bottom end of the vacuum cracking furnace 3, the lower end of the discharge port 4 is connected with a cracking product conveying device, the cracking product conveying device comprises a feed port 5, a cylindrical feeding dragon 6 and a carbon residue discharge cylinder 7, and an opening of the carbon residue discharge cylinder 7 is upward;

the particle processing unit comprises a magnetic separator, a micron-sized crusher, a fan, a filter, a granulator and a dryer, and the magnetic separator is connected with the carbon residue discharging barrel 7;

the waste gas treatment unit comprises a fractionating tower 8, a condenser 9 and an oil tank 10; the vacuum cracking furnace 3 is connected with an air inlet of the fractionating tower 8 through an air outlet pipe, an air outlet end of the fractionating tower 8 is connected with a gas combustion chamber through an air conveying pipe, a discharge end of the fractionating tower 8 is connected with an oil tank 10 through an oil conveying pipeline, and a condenser 9 is arranged at the top end of the fractionating tower 8.

Further, the waste gas treatment unit also comprises an oil pump and a gas fan; a gas fan is arranged on a gas pipe between the fractionating tower 8 and the gas combustion chamber; an oil pump is arranged on an oil pipeline between the fractionating tower 8 and the oil tank 10.

Further, the vacuum cracking furnace 3 adopts resistance heating.

The process for cracking the waste tires by adopting the waste tire cracking system comprises the following steps:

the first step is as follows: fixing the waste tires on a tire cleaning unit through a clamping machine, and cleaning and removing impurities such as dust, soil, stones and the like on the surfaces of the waste tires through a cleaning machine to obtain clean waste tires;

the second step is that: the obtained clean waste tires are dried by air through an air dryer to remove the moisture on the surfaces of the waste tires;

the third step: sending the air-dried tire into a tire splitting unit, sequentially passing through a tire bead cutting machine, a crusher, a pulverizer and an iron absorber, cutting, crushing, pulverizing and removing iron from the waste tire to obtain rubber powder, and storing the rubber powder in a storage bin;

the fourth step: the obtained rubber powder is sent into a bin, the rubber powder is sent into a vacuum cracking furnace 3 through a material pumping pump for cracking, solid-phase particles generated by cracking enter a feeding hole 5 and are then discharged into a cylindrical feeding dragon 6, and the solid-phase particles are cooled in the cylindrical feeding dragon 6 and are sent to a carbon residue discharging barrel 7 for further processing;

the fifth step: solid particles generated by cracking waste tires enter a particle processing unit, and a particle product is obtained by sequentially passing through a magnetic separator, a micron-sized crusher, a fan, a filter, a granulator and a dryer; gas-phase substances generated in the cracking process enter a waste gas treatment unit, enter a fractionating tower 8 through an air outlet pipe of a vacuum cracking furnace 3, cracked oil obtained after condensation and fractionation through a condenser 9 enters an oil tank 10 through an oil pipeline, and uncondensed gas is subjected to combustion treatment through a gas combustion chamber.

The waste tire cracking system provided by the invention is used for cracking waste tires, and main products comprise cracking oil (35%), particulate matters (41%), cracking gas (10%) and steel wires (the balance). Wherein, the pyrolysis gas can be used as fuel; the specific gravity of the produced pyrolysis oil is about 0.89 +/-0.05, and the calorific value of the pyrolysis oil is 9000-10000 kcal/kg; the particulate matter produced was carbon black as the major component, having an iodine adsorption surface area value of 80 + -10 and a DBP oil adsorption value of 65 + -10 similar to ASTM classified N330 series, and was a medium surface area, low oil absorption product.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.