WO2016107324A1

WO2016107324A1 - Rubber cracking and refining equipment and method

Info

Publication number: WO2016107324A1
Application number: PCT/CN2015/094973
Authority: WO
Inventors: 李伟波; 马晋
Original assignee: 李伟波; 马晋
Priority date: 2014-12-31
Filing date: 2015-11-19
Publication date: 2016-07-07
Also published as: CN104610997A

Abstract

Disclosed are a rubber cracking and refining equipment and a method. The rubber cracking and refining equipment comprises a feed component, a cracking component, a collecting component and a waste discharge component; the feed component comprises a feed bin and two first valves; the cracking component comprises a plurality of first pipe-type spiral conveyors, the pipe bodies of the first pipe-type spiral conveyors are magnetic conductive pipe bodies, the exteriors of the pipe bodies are wrapped with thermal insulating sleeves, electromagnetic components are arranged outside the thermal insulating sleeves, a gas collecting port is arranged on at least one of the pipe bodies, wherein a first evacuating port is arranged on one of the pipe bodies, and the pipe bodies are connected successively and in communication with each other; the collecting component comprises a condenser, a gas recover tank and a liquid recover tank; and the waste discharge component comprises a collecting bin. The energy consumption of the rubber cracking and refining equipment is reduced, the controllability of the temperature is improved, and the occupied area is decreased, and the purpose of green and environmentally friendly continuous production is achieved.

Description

Rubber cracking refining equipment and method

Technical field

The present invention relates to a cracking apparatus, and more particularly to a rubber cracking oil refining apparatus and method.

Background technique

As a polymer material, rubber has been widely used in various fields of the national economy. The number of used tires is large, the handling is difficult, and improper storage or handling will seriously pollute the environment. The use of used tires has become a very urgent environmental and social problem. At present, waste tires are usually treated by cracking equipment for refining. The cracking equipment in the prior art usually includes a cracking furnace and a heating system. The cracking furnace is very bulky, and the heating system usually heats the cracking furnace by means of coal burning or fuel oil. . It can be seen from the above that the cracking equipment in the prior art is heated by means of coal or oil combustion, which causes environmental pollution during the combustion process and the temperature controllability in the cracking furnace is poor; at the same time, the cracking furnace cannot realize continuous production operation. After the completion of a cracking, it is necessary to wait for the cracking furnace to cool down before adding the used tires again, and then reheating again, which requires a large amount of energy consumption; and the cracking furnace and the heating system both occupy a large space, and the overall floor space is relatively large. Big. Therefore, the rubber cracking equipment in the prior art is seriously polluted, the controllable precision of the heating temperature is poor, the energy consumption is high, and the floor space is large.

Summary of the invention

The technical problem to be solved by the invention is to provide a rubber cracking refining equipment, which solves the defects of serious pollution of the rubber cracking equipment in the prior art, poor controllable heating temperature, high energy consumption and large floor space, and achieves reduction. The energy consumption of the rubber cracking refining equipment, the temperature controllability and the reduction of the floor space, achieve the purpose of green and continuous production.

The technical solution provided by the present invention is a rubber cracking refining device comprising a feed assembly, a cracking assembly, a collecting assembly and a waste discharging assembly; the feeding assembly comprising a silo and two first valves, the silo The first valve is provided in the feed port and the discharge port respectively; the cracking assembly comprises a plurality of first tubular screw conveyors, and the pipe body of the first tubular screw conveyor is a magnetic conductive pipe body The tube of the first tubular screw conveyor is wrapped with a heat insulating sleeve, and the insulating sleeve is provided with an electromagnetic component, and at least one of the first tubular screw conveyor is provided with a gas collecting port, one of which is provided The pipe body of the first tubular screw conveyor is provided with a first vacuuming port, and the pipes of the first tubular screw conveyor are sequentially connected and connected to each other; the collecting component comprises a condenser and a gas recovery a tank and a liquid recovery tank, the condenser being connected to the gas collection port, the gas recovery tank and the liquid recovery tank being respectively connected to the condenser; the waste disposal component comprising a collection bin; the silo Outlet and place Cracking components The first tubular screw conveyor at the intermediate end is connected, and the feed port of the collection bin is connected to the first tubular screw conveyor at the end of the cracking assembly.

Further, the electromagnetic component is an electromagnetic coil, and the electromagnetic coil is wound around the outer sleeve; or the electromagnetic component is an electromagnetic cylinder, and the electromagnetic cylinder is sleeved outside the thermal insulation sleeve; or the electromagnetic The component is an electromagnetic patch, and the electromagnetic patch is attached to the outside of the thermal insulation sleeve.

Further, a plurality of the first tubular screw conveyors are arranged side by side in order from top to bottom.

Further, the gas recovery tank is further provided with a switchable air outlet, and the air outlet is connected to a pipe body of one of the first tubular screw conveyors.

Further, a second vacuuming port is disposed on the silo, and a vacuum pump is connected to the first vacuuming port and the second vacuuming port.

Further, three sensors are disposed in the silo from top to bottom, one of the sensors is located below the first valve at the inlet of the silo, and the remaining two sensors are located at the Describe the two sides of the first valve at the discharge opening in the bin.

Further, the waste disposal assembly further includes a second tubular screw conveyor, and a feed port of the second tubular screw conveyor is connected to a discharge port of the collection bin.

Further, a feed valve and a discharge port of the collection bin are respectively provided with a second valve.

Further, the outlet of the second tubular screw conveyor is also connected with a magnetic separation device.

The invention also provides a rubber cracking refining method, which adopts the above rubber cracking refining equipment; the specific steps include:

Feeding process: the first valve at the discharge port of the silo is closed, and the first valve at the feed port of the silo opens the feed. After the feed is completed, the first valve at the feed port of the silo is also After the silo is vacuumed, the first valve at the discharge port of the silo is opened to complete the feeding;

Heating and cracking process: the electromagnetic component is energized, the tube of the first tubular screw conveyor heats the rubber inside, and while the rubber is heated, the rubber is sequentially transported in the first tubular screw conveyor and finally delivered to the collection bin. .

Compared with the prior art, the advantages and positive effects of the present invention are: the rubber cracking refining equipment and method provided by the present invention, by using a first tubular screw conveyor as a container for cracking rubber, the first tubular screw conveyor The utility model is used for heating the rubber in the pipe body, and is also used for conveying the rubber movement, and adopting the electromagnetic component to cooperate with the magnetically conductive pipe body to realize heating without an open flame, and the pipe body can generate itself in the alternating magnetic field generated by the electromagnetic component. Thermal energy to heat the rubber inside, the heat conversion rate is very high, and the tube body is self-contained The body heating temperature is convenient and controllable; while the rubber is heated in the pipe body, the first tubular screw conveyor will synchronously transport the rubber to move, so that the rubber is tumbling and transported in each of the first tubular screw conveyors in order to be more fully The rubber is cracked; and the first valve is arranged on the silo, and the first valve can be combined to maintain the closed state of the first tubular screw conveyor during the feeding, thereby realizing continuous production. Improve the cracking efficiency. At the same time, the first tubular screw conveyor works continuously without cooling and feeding, which reduces heat waste, improves energy utilization and reduces energy consumption. In addition, it adopts multiple first tube screw conveyors. The cracking unit, the single first tube screw conveyor has a small length and integrated heating function, which effectively reduces the installation area required for the rubber cracking refining equipment, and reduces the energy consumption and temperature of the rubber cracking refining equipment. Controllability and reduced floor space, achieving the goal of green and continuous production.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description of the drawings used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any inventive labor.

1 is a schematic structural view of an embodiment of a rubber cracking refining apparatus of the present invention;

Figure 2 is a partial cross-sectional view showing an embodiment of a rubber cracking refining apparatus of the present invention;

3 is an assembled view of a silo and a first tubular screw conveyor in the embodiment of the rubber cracking refining equipment of the present invention;

4 is a schematic view showing the structure of a first tubular screw conveyor in the embodiment of the rubber cracking refining equipment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is a partial embodiment of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

As shown in FIG. 1 to FIG. 4, the rubber cracking refining equipment of the present embodiment comprises a feed assembly 1, a cracking assembly 2, a collecting assembly 3 and a waste discharging assembly 4; the feeding assembly 1 comprises a silo 11 and two first a valve 12, the feed port and the discharge port of the silo 11 are respectively provided with the first valve 12; the cracking group The piece 2 includes a plurality of first tubular screw conveyors 21, and the first tubular screw conveyor 21 includes a tubular body 211 and a rotating shaft 212. The rotating shaft 212 has blades thereon, and the tubular body 211 of the first tubular screw conveyor 21 For the magnetic tube body, the tube body 211 of the first tubular screw conveyor 21 is wrapped with a heat insulating sleeve 22, and the heat insulating sleeve 22 is provided with an electromagnetic component, wherein the electromagnetic component can be an electromagnetic sleeve or an electromagnetic sticker. The rubber cracking and refining equipment of the present embodiment is described by taking an electromagnetic component as an electromagnetic coil 23 as an example. The electromagnetic coil 23 is wound around the outside of the heat insulating sleeve 22, and at least one of the tubes 211 of the first tubular screw conveyor 21 is disposed. There is a gas collecting port 213, wherein a first vacuuming port 214 is disposed on the tubular body 211 of the first tubular screw conveyor 21, and the tubular bodies 211 of the first tubular screw conveyor 21 are sequentially connected and mutually connected. Connected together; the collection assembly 3 includes a condenser 31, a gas recovery tank 32, and a liquid recovery tank 33, the condenser 31 being connected to the gas collection port 213, the gas recovery tank 32 and the liquid recovery tank 33 is respectively connected to the condenser 31; The waste disposal assembly 4 includes a collection bin 41; the discharge port of the silo 21 is connected to the first tubular screw conveyor 21 at the initial end of the cracking assembly 2, and the inlet port of the collection bin 41 The first tubular screw conveyor 21 at the end of the cracking assembly 2 is connected.

Specifically, the rubber cracking and refining equipment of the present embodiment uses a plurality of first tubular screw conveyors 21 for cracking rubber, taking waste tires as an example. When used for the first time, vacuuming is performed through the first vacuuming port 214, so that A vacuum is formed in the tubular body 211 of each of the first tubular screw conveyors 21, and the used tires are pulverized and placed in the silo 11 of the feeding assembly 1, and the tubular body 211 and the silo 11 are fed during the feeding process. The first valve 12 is closed, and the first valve 12 exiting the feed port of the silo 11 is opened to prevent outside air from entering the tube body 211 of the first tubular screw conveyor 21, after the feed is completed, the silo 11 The first valve 12 exiting the feed port is also closed, and the silo 11 is vacuumed by the second vacuum port 14 provided thereon to remove the air contained in the silo 11, and then the tube body 211 and the silo The first valve 12 between 11 is opened and the rubber enters the first tubular screw conveyor 21 for transport and heating. Since the tube body 211 is made of a magnetic conductive material, in the alternating magnetic field formed by the electromagnetic coil 23, the tube body 211 can heat the rubber by itself, and the heating temperature can be accurately controlled as needed, and the rubber is heated in the tube body 211. At the same time, the tumbling conveyance ensures that the rubber can be fully cracked; at the same time, the first tube-type screw conveyor 21 is used to complete the cracking together, effectively reducing the overall length of the rubber cracking refining equipment of the embodiment, and the plurality of first tubes The screw conveyor 21 can be laid down from top to bottom to minimize floor space. The heat insulating sleeve 22 is disposed outside the pipe body 211, and the heat insulating sleeve 22 can reduce the heat loss of the pipe body 211 on the one hand, and can avoid the electromagnetic coil 23 being The high temperature pipe body 211 is damaged; in addition, the feed assembly 1 can prevent outside air from entering the first pipe screw conveyor 21 during feeding, enabling continuous production. The gas formed during the heating and cracking of the rubber passes through the gas collecting port 213 and enters the condenser 31 to be condensed to form the lubricating oil, which is stored in the liquid recovery tank 33, and the uncondensed gas is stored in the gas recovery tank 32, for the condenser 31, the gas. The specific structure of the recovery tank 32 and the liquid recovery tank 33 may be the equipment existing in the prior art. The rubber cracking and refining equipment of the present embodiment does not make the specific structural forms of the condenser 31, the gas recovery tank 32 and the liquid recovery tank 33. limit. For the electromagnetic coil 23 disposed on the pipe body 211, a plurality of groups may be disposed as needed, and each group of the electromagnetic coils 23 is controlled by the controller 231, and the corresponding pipe body 211 may be provided with a temperature sensor for detecting according to the temperature sensor. The temperature signal accurately controls the heating temperature of the tube body 211.

Further, in order to maximize the refinery production, the gas recovery tank 32 is further provided with a switchable air outlet (not shown), and the air outlet and the tube of one of the first tubular screw conveyors 21 The body 211 is connected. Specifically, for the uncondensed gas in the condenser 31, the macromolecular gas is contained, and the macromolecular gas can continue to be cracked, and the gas recovery tank 32 transports the stored gas to the tube body 211 for reheating and cracking, thereby effectively improving the gas. Refinery production.

Still further, three inductors are disposed in the silo 11 from top to bottom, one of the inductors 131 being located below the first valve 12 at the inlet of the silo 11 Two inductors 132 are located on either side of the first valve 12 at the discharge opening in the silo 11. Specifically, in the feeding process, the amount of feed can be automatically detected by the inductor 131 and the inductor 132, and the switching of the first valve 12 is ensured, thereby realizing automatic feeding and improving production efficiency.

Further, the waste disposal assembly 4 further includes a second tubular screw conveyor 42 whose feed port is connected to the discharge port of the collection bin 41. Specifically, the carbon black and the waste steel wire collected in the collection bin 41 can be transported to the outside through the second tubular screw conveyor 42. Preferably, in order to prevent outside air from entering the pipe body 211 during the waste discharge process, the collection bin 41 The feeding port and the discharging port are respectively provided with a second valve 411. During the discharging process, the collecting chamber 41 is also subjected to vacuum processing, and then the second valve 411 of the feeding port is opened, so that the carbon black and the waste steel wire enter. In the collection bin 41, the second valve 411 of the feed port is closed, the second valve 411 of the discharge port is opened, and the carbon black and the waste steel wire are output through the second tubular screw conveyor 42, and the second tubular type The outlet of the screw conveyor 42 is also connected with a magnetic separation device 43 through which the carbon black can be separated from the waste steel wire to realize separation and storage of the carbon black and the waste steel wire.

The rubber cracking refining equipment and method provided by the invention adopts a first tubular screw conveyor as a container for cracking rubber, and the first tubular screw conveyor is used for heating the rubber in the pipe body on the one hand, and on the other hand The rubber is transported, and the electromagnetic component is used to cooperate with the magnetically permeable tube body to realize heating without open flame. The tube body can generate heat energy in the alternating magnetic field generated by the electromagnetic component to heat the rubber inside, and the thermal conversion rate is very high, and the tube is very high. The heating temperature of the body itself is convenient and controllable; while the rubber is heated in the pipe body, the first tubular screw conveyor will synchronously transport the rubber, so that the rubber is tumbling and transported in each of the first tubular screw conveyors to further Fully cracking the rubber; and the first valve is provided on the silo. By the cooperation of the two first valves, the first tubular screw conveyor can be closed to the outside during feeding, thereby achieving continuous production. , to improve the cracking efficiency, at the same time, the first tubular screw conveyor works continuously without cooling feed, reducing the waste of heat and improving The source utilization rate reduces the energy consumption; in addition, a plurality of first tubular screw conveyors are used to form the cracking assembly, and the single first tubular screw conveyor has a small length and integrated heating function, which effectively reduces the rubber cracking. The installation area required for the refining equipment can reduce the energy consumption of the rubber cracking refining equipment, improve the temperature controllability and reduce the floor space, and achieve the purpose of green and continuous production.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that The technical solutions described in the foregoing embodiments are modified, or the equivalents of the technical features are replaced. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

A rubber cracking refining apparatus, comprising: a feed assembly, a cracking assembly, a collecting assembly, and a waste discharging assembly; the feeding assembly comprising a silo and two first valves, a feed port of the silo and The discharge port is respectively provided with the first valve; the cracking assembly comprises a plurality of first tubular screw conveyors, the pipe body of the first tubular screw conveyor is a magnetic conductive pipe body, and the first pipe The tube of the screw conveyor is wrapped with a heat insulating sleeve, and the insulating sleeve is provided with an electromagnetic component, at least one of the first tubular screw conveyor is provided with a gas collecting port, wherein the first tube The pipe body of the screw conveyor is provided with a first vacuuming port, and the pipes of the first tubular screw conveyor are sequentially connected and connected to each other; the collecting assembly comprises a condenser, a gas recovery tank and a liquid recovery a tank, the condenser is connected to the gas collection port, the gas recovery tank and the liquid recovery tank are respectively connected to the condenser; the waste disposal component comprises a collection bin; the discharge port of the silo And the cracking assembly The leading end of the screw conveyor connected to the first tube, the collection bin inlet assembly connected to the end of the cleavage end of the first tubular screw conveyor.
The rubber cracking refining equipment according to claim 1, wherein the electromagnetic component is an electromagnetic coil, and the electromagnetic coil is wound around the heat insulating sleeve; or the electromagnetic component is an electromagnetic cylinder, the electromagnetic cylinder Nested on the outside of the thermal insulation sleeve; or, the electromagnetic component is an electromagnetic patch, and the electromagnetic patch is attached to the outside of the thermal insulation sleeve.
A rubber cracking refining apparatus according to claim 1, wherein a plurality of said first tubular screw conveyors are arranged side by side in order from top to bottom.
The rubber cracking refining equipment according to claim 1, wherein the gas recovery tank is further provided with a switchable air outlet, and the air outlet is connected to a pipe body of one of the first tubular screw conveyors. .
The rubber cracking and refining equipment according to claim 1, wherein the silo is provided with a second vacuum port, and the first vacuum port and the second vacuum port are connected with a vacuum pump.
A rubber cracking refining apparatus according to claim 1, wherein said plurality of inductors are disposed from top to bottom in said silo, and wherein said one of said inductors is located at said feed port of said silo Below the first valve, the remaining two inductors are located on either side of the first valve at the discharge opening in the silo.
A rubber cracking refining apparatus according to claim 1, wherein said waste disposing assembly further comprises a second tubular screw conveyor, said feed port of said second tubular screw conveyor and said collection bin The outlet is connected.
The rubber cracking refining equipment according to claim 7, wherein the feed port and the discharge port of the collection bin are respectively provided with a second valve.
The rubber cracking refining apparatus according to claim 7, wherein the outlet of the second tubular screw conveyor is further connected with a magnetic separation device.
A rubber cracking refining method, characterized in that the rubber cracking refining equipment according to any one of claims 1-9 is used; the specific steps include:

Feeding process: the first valve at the discharge port of the silo is closed, and the first valve at the feed port of the silo opens the feed. After the feed is completed, the first valve at the feed port of the silo is also After the silo is vacuumed, the first valve at the discharge port of the silo is opened to complete the feeding;

Heating and cracking process: the electromagnetic component is energized, the tube of the first tubular screw conveyor heats the rubber inside, and while the rubber is heated, the rubber is sequentially transported in the first tubular screw conveyor and finally delivered to the collection bin. .