KR20050027585A - Oil production apparatus of exhaust resin - Google Patents

Abstract

An oil production apparatus of exhaust resin is provided to prevent a driving motor from being damaged by heat quantity provided by a burner. The oil production apparatus of exhaust resin includes a reactor(100), an injection hole(101), a stirring shaft(110), plural stirring wings(111), a driving motor(120), a rotating shaft(121), and a gear assembly(170). The plural stirring wings are installed radially around the stirring shaft on the bottom surface of the reactor. A rotating shaft(121) for rotating the stirring shaft is connected to the lower part of the stirring shaft. The gear assembly(170) is installed at the lower part of the rotating shaft to convert and transmit the rotating power provided from the motor shaft of the driving motor(120) to the rotating shaft.

Description

OIL PRODUCTION APPARATUS OF EXHAUST RESIN}

The present invention relates to an emulsifying apparatus for waste synthetic resins that can be produced with oil components that can be used industrially using waste synthetic resins.

Recently, as the environmental problems caused by the treatment of waste synthetic resins are seriously raised, a method of solving the pollution problems caused by the treatment and producing useful oils has been proposed.

Conventionally, when waste synthetic resins are generated, they are transferred to an incineration plant for incineration or landfill. However, these treatment methods not only waste resources but also in case of incineration, hydrogen chloride (HCl), sulfur oxides (SOX), nitrogen oxides (NOX), Emission of air pollutants such as dioxins causes secondary air pollution problems, and landfilling was also a serious problem due to soil pollution, leachate, etc. due to the hard degradability characteristics of synthetic resins.

Accordingly, research and development of an emulsification method or a device for thermally decomposing thermoplastic resins to obtain useful oils as a method of recycling waste synthetic resins without incineration or landfilling are being actively conducted.

Conventional emulsification process of thermoplastic resin is roughly divided into pyrolysis process to obtain gaseous oil component by heating and decomposing waste synthetic resin at 300 ℃ to 600 ℃ and fractional distillation process to liquefy and separate the gaseous oil component by oil type. do.

More specifically, as shown in FIG. 1, first, the thermosetting synthetic resins, metals, woods, and the like which are not pyrolyzed from the collected waste synthetic resins are roughly separated, and the selected thermoplastic synthetic resins are cut or crushed to an appropriate size. The pretreatment process is performed. The thermoplastic waste synthetic resin stream having undergone the pretreatment is transferred to the inlet 11 of the reactor 10. At this time, the waste synthetic resin is preheated to 200 ° C to 250 ° C and charged into the empty furnace 10 in a state of being almost melted.

The thermal decomposition temperature of the synthetic resin varies depending on the decomposition conditions, the type of resin, the specification, the form, and the additives contained therein, but is usually in the range of 300 to 600 ° C. Therefore, the waste synthetic resin introduced into the reactor 10 is heated to 300 ° C. to 600 ° C. by a heating means such as a burner provided at the lower portion of the reactor 10 so that most of the waste synthetic resins are oil (oil) components. Decomposed and vaporized, some of the mixed thermosetting resin, metals, woods or synthetic resin additives are accumulated in the bottom of the reactor 10 as undecomposed sludge.

The oil component decomposed and generated in the reactor 10 is introduced into the separation tower through a gas outlet provided with a catalyst tank as various hydrocarbon mixtures in a gaseous state, and liquefied and separated by oil type by boiling point difference. The liquefied mixed oil is subjected to a separate post-treatment process such as re-distillation distillation, impurity removal or decolorization or deodorization, if necessary, and then transferred to a storage facility for storage.

On the other hand, unresolved residue accumulates at the bottom of the reactor while the reaction proceeds, and the residue remains in communication with one side of the reactor while the stirring shaft and the stirring blade rotate by the driving force of the driving motor located above the reactor. It will be discharged to the residue outlet.

However, when the process proceeds, the amount of heat supplied from the burner rises to the upper side of the reactor due to convection. In the conventional emulsifier, the driving motor installed on the upper side of the reactor is damaged by the rising amount of heat, and the stirring shaft and There was a problem that an error occurs in the progress of the process due to the phenomenon that the stirring blade is broken.

The present invention has been made to solve this problem, and an object of the present invention is to provide an emulsifying apparatus for waste synthetic resin which can prevent the driving motor that provides the driving force for rotating the stirring shaft by the amount of heat supplied from the burner. have.

The present invention for achieving the above object, the inlet for injecting waste synthetic resin raw material is formed on one side of the upper surface of the reactor, the inner bottom surface of the emulsified waste synthetic resin with a plurality of stirring blades radially disposed around the stirring shaft In the apparatus, a drive motor for generating a rotational force is provided on the lower side of the reactor, a lower side of the stirring shaft is connected to a rotating shaft for rotating the stirring shaft, the lower end of the rotating shaft to convert the rotational force provided from the motor shaft of the drive motor It characterized in that the gear assembly for delivering to the rotating shaft.

Hereinafter, with reference to the accompanying drawings, an embodiment of the emulsifying apparatus for waste synthetic resin according to the present invention will be described.

In the emulsifying apparatus of the present invention, as illustrated in FIG. 2, the reactor 100 is vertically installed while being supported by the frame 200.

Under the reactor 100, two burners 130 are arranged to face each other while being supported by the frame 200. The waste synthetic resin material introduced into the reactor 100 is heated by the amount of heat supplied from the burner 130.

The reactor 100 has a substantially cylindrical shape, the inlet 101 is provided on one side of the upper surface so that the raw material is injected. At this time, the inlet 101 is provided with a gate valve 102 to control the input of the raw material into the reactor (100).

And the stirring shaft 110 is installed on the inner bottom surface of the reactor (100). A plurality of stirring blades 111 are radially coupled around the stirring shaft 110.

Also, as shown in FIGS. 2 to 5, a driving motor 120 is positioned below the center of the reactor 100, and a rotation shaft 121 coupled to the driving motor 120 has the stirring shaft ( 110). Therefore, the rotational force of the drive motor 120 is transmitted to the stirring shaft 110 connected to the rotating shaft to rotate the stirring blade 111 at a predetermined speed.

That is, the support pipe 150 of the hollow body is placed on the central bottom of the reactor 100 to support the reactor 100, the inside of the support pipe 150 to be connected to the stirring shaft 110. The rotating shaft 121 is installed vertically. The rotary shaft 121 is connected to the motor shaft (not shown) of the drive motor 120 provided below the reactor 100 to transfer the rotational force provided from the drive motor 120 to the stirring shaft 110.

At this time, the gear assembly 170 is disposed in a portion orthogonal to the rotation shaft 121 and the motor shaft to smoothly transmit the rotational force of the driving motor 120 to the rotation shaft 121.

And the inside of the support pipe 150 is provided with a plurality of rotary shaft support 160 formed in the shaft hole (not shown) to be inserted into the rotary shaft 121 is inserted in the horizontal direction to support the rotary shaft 121, the rotary shaft The bearing housing 161 is provided on each of the rotary shaft support 160 into which the 121 is inserted to smoothly guide the rotation of the rotary shaft 121.

In addition, a sealing material 162 is coupled to the top of the rotary shaft 121 connected to the stirring shaft 110, that is, around the rotary shaft 121 penetrating the bottom surface of the reactor 100 to the bottom of the reactor 100. The remaining residues are prevented from falling to the lower side of the reactor 100.

On the other hand, the residue discharge pipe 140 is provided on one side of the bottom surface of the reactor 100 to be inclined downward. The gate valve 141 is coupled to one end of the residue discharge pipe 140 to control whether the residue is discharged.

The residue discharge pipe 140 corresponds to the lower side as the stirring shaft 110 and the stirring blade 111 received the rotational force of the driving motor 120 are stirred while the residue accumulated on the bottom of the reactor 100 is stirred. It is discharged to the sludge box 142 positioned to be.

Meanwhile, although not shown, a separation tower is installed in the center of the upper surface of the reactor 100, and reference numeral 171 in FIGS. 3 and 4 is a coupling.

Referring to the operation of the emulsifying apparatus according to the present invention configured as described above are as follows.

First, the mixture of various waste synthetic resins collected is sorted by type. For example, only synthetic resins are first screened, and only the thermoplastic resins that can be thermally decomposed from the selected synthetic resins are screened and separated. The thermoplastic resin, which is the sorted and separated raw material, is cut or crushed to an appropriate size and transferred to the reactor 100 through the inlet 101.

At this time, the raw material is preheated to 200 to 250 ° C. by a preheater (not shown) before being introduced into the reactor 100, and is almost melted and introduced into the reactor.

The raw materials introduced into the reactor 100 are completely melted in the reactor 100 and decomposed and vaporized into hydrocarbons, which are mostly oil components at 350 to 450 ° C., and some remain as undecomposed residue. The decomposed and vaporized hydrocarbon mixed gas is lifted to a separation column communicating with the reactor 100 to be liquefied and separated for each oil type. The liquefied oil is stored for each oil type through a purification means such as water washing.

At this time, the decomposition gas such as methane, propane, which is not liquefied is used as a fuel of the burner 130 directly through the purification means such as water washing or recovered in a fuel storage facility (not shown).

On the other hand, the stirring blade 111 is rotated by the driving force of the drive motor 120 while the decomposition in the reactor (100). The stirring blade 111 is installed adjacent to the bottom surface of the reactor 100 and continuously rotates so that the waste synthetic resin does not stick to the reactor, while dissolving the waste synthetic resin well and at the same time, It performs the action to gather to the residual discharge pipe 140 side.

At this time, even if the amount of heat provided for the progress of the process from the burner 130 located at the lower side of the reactor 100 during operation of the reactor 100 rises above the reactor 100 by the convection phenomenon, the stirring shaft ( Since the driving motor 120 for rotating the 110 is located at the lower side of the reactor 100, it is possible to prevent the driving motor 120 from being damaged by the amount of heat supplied from the burner 130. Therefore, the more stable reaction furnace 100 can be operated.

As described above, according to the present invention, by arranging the drive motor at the lower side of the reactor, even if the amount of heat generated from the burner during operation of the reactor rises to the top of the reactor, the drive motor is not affected, thereby preventing damage. As a result, the service life of the driving motor and the reactor can be further extended, thereby reducing the process cost.

1 is a cross-sectional view showing an emulsifying apparatus for waste synthetic resin according to the prior art.

Figure 2 is a cross-sectional view showing a reactor of the emulsification apparatus of the waste synthetic resin according to the present invention.

Figure 3 is a cross-sectional view showing the main portion of the emulsification apparatus of the waste synthetic resin according to the present invention in detail.

Figure 4 is a cross-sectional view showing the emulsification apparatus of the waste synthetic resin according to the present invention.

5 is a plan view showing a driving unit of the emulsification apparatus of the waste synthetic resin according to the present invention.

** Explanation of symbols for main parts of drawings **

100; Reactor 101; Slot

102; Gate valve 110; Stirring shaft

111; Stirring blade 120; Drive motor

121; Axis of rotation 130; burner

140; Residue discharge pipe 141; Gate valve

142; Sludge box 150; Support pipe

160; Rotary shaft support 161; Bearing housing

162; Sealing material 170; Gear assembly

171; Coupling 200; frame

Claims (3)

An inlet for injecting the waste synthetic resin raw material is formed on one side of the upper surface of the reactor, the inner bottom surface of the emulsification apparatus of the waste synthetic resin with a plurality of agitator blades radially disposed around the stirring shaft, the lower side of the reactor A driving motor generating a rotational force is installed, and a lower side of the stirring shaft is connected to a rotating shaft for rotating the stirring shaft, and a lower end of the rotating shaft is provided with a gear assembly for converting the rotating force provided from the motor shaft of the driving motor to the rotating shaft. Emulsifying apparatus of waste synthetic resin, characterized in that. According to claim 1, wherein the support shaft of the hollow body for supporting the reaction reactor is installed around the rotary shaft, the support pipe is provided with one or more rotary shaft support for supporting the rotary shaft, the rotary shaft is inserted Emulsifying apparatus of the waste synthetic resin, characterized in that the bearing housing is provided on the rotary shaft support. The emulsifying apparatus of the waste synthetic resin according to claim 1, wherein a sealing material is provided at an upper end of the rotating shaft connected to the stirring shaft to prevent foreign substances from falling down from the reactor.