KR100589936B1 - Extrusion type powering machine - Google Patents

Abstract

The present invention relates to an extruded waste rubber crushing device that maximizes the efficiency of the crushing by simultaneously applying a constant physical force and chemical reaction to the waste rubber.

The present invention is a low-energy consumption type to enable the fine powder of the rubber by changing the temperature drastically with the effect of breaking the molecular chain by giving a shear stress according to the physical force to give a large force during grinding, accordingly Provided is an extruded waste rubber grinding device.

Extruded waste rubber crushing apparatus provided in the present invention is a hopper for the input of the raw material, a compression barrel for horizontally arranged while passing in the 90 ° direction to the hopper and guide the transfer of the raw material, housed concentrically in the compression barrel and hydraulic It has a supply and compression unit composed of a compression rotor for transporting and compressing the raw material while being connected to the rear end of the driving unit, a supporter for supporting the hopper and the compression barrel on the base, and a lower outlet and opposite the compression barrel. It is arranged to face each other at a predetermined interval while being rotated through the discharge barrel fixed to the support object, the power transmission portion of the power source side and the power transmission side and at the same time supported through the support and the discharge barrel horizontally and the other end of the blade Minute to slidably coupled to the front end of the compression rotor having crushed and discharged raw materials Rotor, pulverization and discharge portion is composed of a pulverization barrel coupled in a concentric manner within the interval between the compression barrel and the discharge barrel and close to the blade through the concave-convex surface on the inner circumferential surface while closing the circumference of the grinding rotor to induce the crushing of the raw material And, it characterized in that it comprises an electronic control unit for performing the speed control, temperature control, pressure control, on / off control for each of the operating elements of the supply and compression unit and the grinding and discharging unit.

Waste Rubber, Extrusion, Grinding Equipment

Description

Extruded waste rubber crusher             

1 is a front view of an extruded waste rubber crushing apparatus according to the present invention

Figure 2 is a plan view of an extruded waste rubber crushing apparatus according to the present invention

Figure 3 is a side view of the extruded waste rubber crushing apparatus according to the present invention

Figure 4 is a cross-sectional view showing the main configuration of the supply, compression, crushing and discharging unit in the extruded waste rubber crushing apparatus according to the present invention

5 is a cross-sectional view showing the main configuration of the crushing unit in the extruded waste rubber crushing apparatus according to the present invention

6 is a cross-sectional view taken along the line A-A of FIG.

<Explanation of symbols for main parts of drawing>

10: Hopper 11: Compression Barrel

12: hydraulic drive unit 13: compression rotor

14: base 15: supporter

16: outlet 17: support

18: discharge barrel 19: power source

20: power transmission unit 21: blade

22: grinding rotor 23: uneven surface

24: grinding barrel 25: cooling unit

26: cooling jacket 27: coupling

28: hydraulic cylinder 29: screw portion

30: hollow part 31: heating part

32: cooling / heating jacket 33: tie bar bolt

34: rotary joint 35: control panel

36: locknut 37: key

The present invention relates to an extruded waste rubber crushing device that maximizes the efficiency of the crushing by simultaneously applying a constant physical force and chemical reaction to the waste rubber.

In particular, by performing the pulverization process for the raw material by using a linking operation such as a supply means for supplying the raw material, a compression means for compressing the raw material, a grinding means for grinding the raw material, an appropriate temperature providing means for grinding, Compared to the crushing apparatus of the fine powder, it is possible to improve the efficiency in terms of productivity, it is possible to significantly reduce the operating cost of the device.

Recently, the demand for vehicles is increasing exponentially due to the rapid development of the industry, and the occurrence of vehicle-related industrial waste is rapidly increasing.

Due to the increase of vehicle-related industrial waste, environmental problems are seriously raised, and such environmental pollution has become a serious social problem, and efficient and economical disposal of industrial waste is more important than ever.

Among industrial wastes, the disposal of waste rubber wastes is practically limited in terms of treatment methods compared to other raw materials, and most of them adopt the principle of incineration.

Recently, these waste rubbers are crushed finely, and their use is increasing as sidewalk blocks, floor buffers in parks, floors on overpasses, and the like.

Moreover, as the use of waste rubber is increasing, the demand for fine powder is becoming natural for the purpose of securing variety of uses, replacing rubber raw materials, and improving quality.

However, the conventional grinding method is difficult to grind due to frictional heat and mechanical performance problems generated during the grinding, and the generation of a new grinding method is essential because it is difficult to produce a particle size of less than 300㎛.

Conventional methods of pulverizing rubber include liquid nitrogen injection, cooling the rubber below the glass transition point, and then pulverizing it on glass. However, this method has not been practically attempted because liquid nitrogen is expensive. Efforts are underway to use natural gas (LNG), but only in certain locations with LNG bases, and various technical constraints will follow.

Due to the above reasons, it is usually used a relatively inexpensive room temperature grinding method, but due to the frictional force during the grinding, the physical properties of the powder rubber is very poor, it is difficult to make a very fine powder due to the tangling phenomenon when grinding There is a big obstacle to recycling, there is a problem that a lot of energy is required at the time of grinding.

Therefore, the present invention has been devised to solve the above-mentioned conventional defects and problems, it is possible to receive a large pressure under physical force when crushing, according to the shear stress according to the effect of breaking the molecular chain and temperature It is an object of the present invention to provide a low-energy consumption type extruded waste rubber crushing apparatus which enables the fine powder of rubber to be rapidly changed.

The present invention for achieving the above object is a hopper for the input of the raw material, the compression barrel to be horizontally arranged while passing in the 90 ° direction with the hopper to guide the transfer of the raw material, housed concentrically in the compression barrel and the rear end in the hydraulic drive unit It is connected and rotated and has a supply and compression unit consisting of a compression rotor for transporting and compressing the raw material, the supporter for supporting the hopper and the compression barrel on the base, and a lower outlet and at a predetermined interval across the compression barrel The discharge barrel is fixed to the support object while being disposed facing each other while being rotatable through the power transmission part of the power source side and the power source side, while being supported through the support and the discharge barrel horizontally while the other end has a blade Grinding rotor slidably coupled to the front end of the compression rotor to grind and discharge the raw materials A pulverizing and discharging part composed of a crushing barrel which is concentrically coupled within the interval between the compression barrel and the discharge barrel and closes with the blade through the uneven surface on the inner circumferential surface while closing the circumference of the crushing rotor and induces crushing of the raw material; And an electronic controller which performs speed control, temperature control, pressure control, and on / off control for each operation element of the supply and compression unit and the pulverization and discharge unit.

In addition, the compression barrel of the supply and compression unit is provided with a cooling jacket communicating with the cooling unit side around the section, it is characterized in that the heat during the raw material compression can be removed.

In addition, the compression rotor of the supply and compression unit is characterized in that it is driven indirectly connected to the hydraulic drive through a coupling on the base.

In addition, the supply and compression unit is characterized in that it further comprises a hydraulic cylinder to enable feeding from side to side during assembly and repair.

In addition, the grinding rotor of the pulverization and discharge portion is characterized in that the rear portion of the blade is a screw portion for the smooth discharge of the pulverization.

In addition, the grinding rotor is characterized in that it is formed in a predetermined depth along the axis and has a hollow portion that allows the supply of cooling water therein while communicating with the cooling unit side.

In addition, the grinding barrel of the pulverization and discharge portion is characterized in that the cooling / heating jacket to communicate with the cooling unit side and the heating unit side around each of the intervals to perform the cooling and heating operation during the raw material grinding.

In addition, the power source of the grinding and discharging unit is composed of a motor and a reducer is characterized in that to rotate the grinding rotor at a higher speed than the compression rotor rotated by a low-speed high torque hydraulic drive unit.

In addition, the compression barrel of the supply and compression unit and the discharge barrel of the pulverization and discharge is characterized in that each flange facing each other is coupled in a removable structure by a tie bar bolt.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the extruded rubber crushing apparatus according to the present invention.

1 to 3, an apparatus for supplying and compressing the raw material and an apparatus for crushing and discharging the raw material are installed on the table of the main body 100, and the lower portion of the main body 100 An electronic control unit including a control panel 35 for controlling is installed, and on one side of the main body 100, a cooling unit 25 and a heating unit 31 for controlling the temperature of the apparatus for increasing the effect of compression and grinding are provided. Each is provided.

Each cooling part 25 and the heating part 31 at this time are connected to the apparatus side through predetermined piping or wiring.

In an embodiment provided by the present invention, since a heating and cooling method using water is adopted, a pipe is connected to the device side from the cooling unit 25 and the heating unit 31 to supply cooling water or hot water of high temperature. .

In addition, a motor 19a and a reducer 19b used as a power source 19 are installed on one of the lower inner sides of the main body 100, and the output side of the reducer 19b is a crushing rotor side power of the pulverizing and discharging portion through a chain or the like. It can be connected to the transmission unit to provide power.

The electronic control unit includes each unit, that is, a supply unit for supplying and compressing raw materials, a grinding unit and a discharge unit, and a control unit for automatic control of heating and cooling of a control unit such as a motor or a cylinder.

For example, the supply and compression unit includes a speed controller, a temperature controller, a pressure controller, and the like, and the grinding and discharge unit includes a speed controller and a temperature controller, and a cooling unit, a heating unit, a power transmission unit, and the like. Includes an on / off control.
The control unit included in the electronic control unit may adopt a control means that is commonly applied in the general automatic control field, using such a control unit speed control device, temperature control device, pressure control device and on / off control device The method of controlling the method, that is, the method of controlling the operation of each operation element of the supply and compression unit and the pulverization and discharge unit can be adopted without particular limitation as long as it is a method commonly known in the art.

Looking at the operating conditions of the device, the rubber raw material fed into the hopper is fed by a screw-type compression rotor, and the ratio of length and diameter is 6-12 to ensure efficient compression, and the depth of the channel is 1 / 10D or less. It was set as.

The pulverized raw material reaching the compression zone is activated at a constant pressure and temperature, and pulverized while passing through the pulverization zone.

The pulverization part is composed of triangular irregularities in order to increase the efficiency of pulverization, and the pulverization raw material activated in the compression zone is rapidly decomposed and discharged by the pulverization rotor rotating at high speed.

As shown in FIG. 4, the hopper 10 for supplying and storing the rubber raw material is installed perpendicular to the supporter 15 on the base 14 installed in a slidable structure on the upper part of the main body 100, and the rubber The compression barrel 11 for transporting and compressing the raw material is installed in a structure in which the lock nut 36 is fastened at one end and fixed through the key 37 while penetrating the supporter 15 horizontally.

Compression barrel 11 is installed so as to communicate with the hopper 10, the rubber material falling down through the hopper 10 can be supplied to the inside of the compression barrel (11).

In particular, a cooling jacket 26 connected to the cooling unit 25 side is installed at the outer circumference of the compression barrel 11, for example, a compression barrel (eg, through a plurality of cooling water passages of the cooling jacket 26). 11) It is possible to maintain a smooth grinding efficiency by removing the heat generated from the side.

Inside the compression barrel 11, a rotatable screw-type compression rotor 13 is concentrically coupled to compress the rubber material while pushing the rubber material during the rotation operation.

As another embodiment of the present invention, in the case of the compression rotor 13, a straight or inclined type was adopted in addition to the screw shape to maximize the compression efficiency, and the optimum pressure was formed by adjusting the spacing.

As a means for rotating the compression rotor 13, a hydraulic drive unit 12 is provided, wherein the hydraulic drive unit 12 uses the coupling 27 on the base 14 as a support means for the coupling 27. It is connected to one end of the compression rotor 13 extending to the side, so that the rotation of the compression rotor 13 is enabled by the operation of the hydraulic drive unit 12.

Accordingly, the compression rotor 13 is rotated at a low speed and high torque by the hydraulic drive unit 12 to send the rubber raw material to the compression zone, the rubber raw material is adjusted with the appropriate pressure (1 ~ 300kg / ㎠) Activated and compressed by the temperature (100 ~ 300 ℃) and then proceeds to the grinding and discharging unit.

In particular, the entire supply and compression unit as described above can be fed to the left and right for convenience, such as assembly and maintenance of the device, for this purpose, the base 14 supporting the entire supply and compression unit is a main body through a bracket (etc.) It is connected to the hydraulic cylinder 28 on the 100, and is provided with a structure that can move left and right when necessary in accordance with the operation of the hydraulic cylinder (28).

Grinding and discharging unit for pulverizing and discharging the rubber raw material, which has been subjected to the fixed quantity supply and compression treatment at a constant pressure, has a grinding rotor 22 having a blade 21 at one end, and the rubber in cooperation with the grinding rotor 22. And a discharge barrel 18 having a grinding barrel 24 for pulverizing the raw material and an outlet 16 for discharge after grinding.

The discharge barrel 18 and the grinding rotor 22 are installed using the support 17 on the main body 100, and discharged on one side of the support 17, that is, the side facing the compression barrel 11. The barrel 18 is screwed and fixed, and the grinding rotor 22 is coupled along the axis of the discharge barrel 18 while horizontally penetrating the center of the support 17.

In particular, the discharge barrel 18 is assembled by each of the flanges by the compression barrel 11 and the plurality of tie bar bolts 33, it is possible to replace the replacement and repair of the device.

As shown in FIG. 5, the grinding barrel 24 is disposed side by side in a concentric axis between the discharge barrel 18 and the compression barrel 11, and is crushed inside the grinding barrel 24 thus installed. The blade 21 of the rotor 22 is located.

The outer periphery of the grinding barrel 24 is provided with a cooling / heating jacket 32 provided with a heat source and a cooling source from the heating part 31 side and the cooling part 25 side, so that heat generated during grinding is cooled. It can be adjusted by the part 25 to maintain an activated state, and the organic combination with the heating part 31 enables continuous operation in an optimal state.

In particular, the inner circumferential surface of the grinding barrel 24 having a cylindrical body has a concave-convex surface 23 of various shapes such as flat, triangular, square, trapezoidal, and the like, as shown in FIG. 6, the blade of the grinding rotor 22. In combination with (21) it is possible to effectively perform the grinding of the rubber raw material.

The grinding rotor 22, which performs the actual grinding and discharging operations, is assembled while passing through the central axes of the support 17, the discharge barrel 18, and the grinding barrel 24 in turn, and the outer end thereof is driven by a sprocket or the like. The transmission unit 20 is provided to enable high-speed rotation in accordance with the drive of the power source 19, the inner end is coupled to the structure that is partially inserted while facing the end of the compression rotor (13).

In this case, the grinding rotor 22 and the compression rotor 13 may be connected in parallel while being in parallel with each other while sharing the same axis, and may be driven at different speeds in the same direction or in different directions while sliding occurs at the connecting portions. .

That is, the grinding rotor 22 can be driven at high speed by electric, and the compression rotor 13 can be driven at low speed by hydraulic.

The grinding rotor 22 is to perform the grinding operation using the blade 21 is combined to the inside of the grinding barrel 24.

The blade 21 is composed of dozens of trapezoidal cutters, for example, to increase the grinding efficiency, and 90 ° edges are formed in the rotational direction to obtain cutting and grinding effects. An inclination angle of 60 ° is maintained to impart flowability after grinding.

In addition, the grinding rotor 22 is provided with a screw portion 29 in a section located inside the discharge barrel 18, it is possible to smoothly discharge the pulverized product after grinding.

In addition, the grinding rotor 22 is provided with a hollow portion 30 along the rotor axis in order to effectively remove the heat generated during the grinding, so that the coolant can be introduced to the working area of the blade 21.

At this time, the rotary joint 34 is provided as a means for supplying the cooling water to the grinding rotor 22 side of the rotating body.

In the extruded rubber crusher of the present invention as described above can be performed a series of operations as follows.

The rubber raw material stored in the hopper is sent to the compression barrel side falling downwards through the groove of the supporter, and is sent to the compression zone by the compression rotor rotating at low speed and high torque by the inflow driving part and activated by the appropriate pressure and the adjusted temperature. It is then pulverized by the grinding rotor and the grinding barrel and then discharged through the discharge barrel.

At this time, the grinding rotor is rotated at a high speed by the motor and the reducer to easily grind and discharge the activated rubber raw material.

The heat generated during compression and pulverization was controlled through a cooling unit to maintain an active state, and the organic combination with the heating unit enabled continuous operation in an optimal state.

Cooling is carried out in three parts: grinding barrel, compression barrel, and grinding rotor. Each barrel is applied with a jacket type, and the rotor is cooled with a rotary joint in a hollow shaft type. The heating part is a jacket type in the grinding barrel. Effective heating is performed.

The heating part at this time can be applied to a compression barrel as needed.

Rotors and barrels are made of hot alloy steel to withstand thermal deformation and wear, while other components use cast iron that is resistant to thermal deformation.

In particular, the barrel was chromium plated to prevent wear and corrosion of the inner surface and dimensional stability due to heat, and was divided into three to five zones to facilitate temperature control of heating and cooling.

The grinding rotor and the grinding barrel have a concave-convex shape to increase the grinding efficiency, and the shape of the surface can be formed in a variety of forms such as flat, triangular, square, trapezoidal.

The screw shape of the compression rotor is divided into two stages of supply section and compression section for the effect of the compression work, and the shape and length are calculated as follows.

S = B + e / cosØ

Where S is the length of one turn, e is the width of the screw blade, and Ø is the angle of the screw blade.

L = UD / cosØ, where L is the length of the blade.

Pitch "S" is the relationship of angle Ø S = L sinØ = nDtanØ, the width of the channel (W) is equal to W = BcosØ, the hopper can be used both forced and adjustable, flanges to be removable Type.

The supporter and the compression barrel are assembled by the lock nut, and the barrel is not rotated by the rotation range transmitted through the coupling using the key, and the supporter is assembled on the base.

In addition, it is possible to feed the entire supply and compression unit left and right using a hydraulic cylinder for the convenience of assembly and repair.

Grinding barrels are easy to attach and detach using tie bar bolts for replacement during replacement and repair. The material is made of high strength steel to withstand high pressure.

Cooling water for cooling is controlled in the cooling unit is supplied to the hollow portion, grinding barrel and compression barrel of the grinding rotor, and maintained at a constant temperature to control the optimum state.

The heat source supplied to the heating unit was sent to the grinding barrel (compression barrel, if necessary) to operate when the temperature is below the initial operation and the control temperature.

Each rotor, heating unit and cooling unit as described above were able to control each independently, and configured to be variously adjusted by the control of the provided electronic control unit to be applied to the powder grinding of various raw materials in addition to the waste rubber.

 As described above, the extruded waste rubber crushing apparatus provided in the present invention is a pulverizing apparatus beyond the limit of crushing granularity, which is a problem of the conventional crusher, and can easily obtain fine powder by organic operation of large transfer force and temperature. It has a big advantage.

Focusing on suppression of heat during conventional grinding, the present invention can achieve a breakthrough effect of weakening the bonding energy as the balance of heat energy and shear energy of the raw material by switching the time in the direction of controlling the heat to a constant temperature. .

The present invention has the advantage that the fine powder can be obtained more easily and with a small force by eliminating the conventional grinding method by the physical force such as impact, compression, shear, and improved by the grinding method using chemical activation.

In addition, there is an advantage that it is easy to continuous operation and device control by using an extrusion type method that is difficult to think of a grinder.

Ultimately, in the present invention, it is possible to fine powder compared to the conventional crushing device, to improve the efficiency in terms of productivity, it can be expected that the effect of significantly reducing the operating cost of the device.

Claims (9)

Hopper 10 for the input of raw materials, horizontally arranged while passing in the 90 ° direction with the hopper 10, the compression barrel 11 for guiding the conveyance of the raw material, is concentrically received in the compression barrel 11 and hydraulic Supply consisting of a compression rotor 13 for transporting and compressing the raw material and the supporter 15 for supporting the hopper 10 and the compression barrel 11 on the base 14 while being rotated connected to the rear end of the drive unit 12 And a compression unit; It has a discharge outlet 16 of the lower side and is arranged to face each other with a predetermined interval on the opposite side of the compression barrel (11) is fixed on the support 17, the discharge barrel 18, the power source 19 It is rotatable through the power transmission unit 20 at one end and is supported horizontally through the support 17 and the discharge barrel 18 and the other end of the compression rotor 13 with the blade 21 Slidingly coupled to the front end and crushing rotor 22 for pulverizing and discharging the raw material, while being concentrically coupled within the gap between the compression barrel 11 and the discharge barrel 18 and closing the circumference of the grinding rotor 22 A pulverizing and discharging part composed of a pulverizing barrel 24 which induces pulverization of raw materials while being closely combined with the blade 21 through the uneven surface 23 on the inner circumferential surface; An electronic control unit for controlling the operation of each operation element of the supply and compression unit and the grinding and discharging unit; Extruded waste rubber crushing apparatus comprising a. According to claim 1, wherein the compression barrel 11 of the supply and compression unit is provided with a cooling jacket 26 communicating with the cooling unit 25 side around a portion of the section so as to remove the heat during the raw material compression Extruded waste rubber crusher. The extruded waste rubber grinding according to claim 1, wherein the compression rotor (13) of the supply and compression unit is driven indirectly with the hydraulic drive unit (12) through a coupling (27) on the base (14). Device. The extruded waste rubber crushing apparatus according to claim 1, further comprising a hydraulic cylinder (28) which enables feeding from side to side during assembly and repair. The extruded waste rubber grinding according to claim 1, wherein the grinding rotor 22 of the grinding and discharging unit has a screw portion 29 for smooth discharge of the grinding material. Device. 6. The grinding rotor (22) according to claim 1 or 5, wherein the grinding rotor (22) is formed in a predetermined depth along the axis line and has a hollow portion (30) which communicates with the cooling portion (25) and enables the supply of cooling water therein. Extruded waste rubber grinding apparatus, characterized in that. The grinding barrel 24 of the grinding and discharging unit is provided with a cooling / heating jacket 32 communicating with the cooling unit 25 side and the heating unit 31 side, respectively, in a circumference of the section to grind the raw material. Extruded waste rubber crusher, characterized in that to perform the cooling and heating of the city. The crushing rotor (3) of claim 1, wherein the power source (19) of the pulverizing and discharging unit is composed of a motor (19a) and a reduction gear (19b), and is more than a compression rotor (13) which is rotated by a low-speed, high-torque hydraulic drive unit (12). Extruded waste rubber crusher, characterized in that 22) to be rotated at high speed. The compression barrel 11 of the supply and compression unit and the discharge barrel 18 of the grinding and discharge unit are coupled to each other in a structure in which flanges facing each other are detachable by a tie bar bolt 33. Extruded waste rubber crusher, characterized in that.

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