WO2023234516A1

WO2023234516A1 - Apparatus for manufacturing petroleum coke slur

Info

Publication number: WO2023234516A1
Application number: PCT/KR2023/001563
Authority: WO
Inventors: 권인구; 정석우; 류상오; 이지은; 정기진; 윤용승; 김준석
Original assignee: 고등기술연구원연구조합; 한국서부발전 주식회사; 현대오일뱅크 주식회사
Priority date: 2022-05-31
Filing date: 2023-02-03
Publication date: 2023-12-07
Also published as: KR102438343B1

Abstract

The present invention relates to an apparatus for manufacturing petroleum coke slurry, comprising: a hopper part which includes a center hole at the upper portion thereof and has, at one side of the upper portion thereof, a first input hole into which water, coke and a surfactant are to be put and a second input hole into which slurry produced while agitation is performed is put, which includes, at the lower portion thereof, air supply holes for supplying air and a discharge hole through which objects to be agitated are discharged, and which is formed of a hopper having a cylindrical body and a portion below the body, of which the width narrows; an agitation part including an agitator motor positioned at the outer upper end of the hopper part so as to generate power for the operation of an agitator, a first rotary shaft having one side connected to the agitator motor in order to transmit the power generated by the agitator motor while passing through the center hole of the hopper part, a second rotary shaft orthogonally connected to the other side of the first rotary shaft, and agitation blades provided in the longitudinal direction of the second rotary shaft; a re-supply part including a first connection pipe, which is positioned outside the hopper so as to be connected between the discharge hole and the second input hole, and a circulation pump, which is positioned in the middle of the first connection pipe in order to re-supply, into the hopper through the second input hole, the objects to be agitated, discharged from the discharge hole; and a rail part positioned inside the hopper so as to be provided in a shape of encompassing the hopper along the inner wall surface thereof.

Description

Petroleum coke slurry manufacturing equipment

This application claims the benefit of priority based on Korean Patent Application No. 2022-0066575, dated May 31, 2022, and all contents disclosed in the document of the Korean Patent Application are included as part of this specification.

The present invention relates to an automated slurry production system using petroleum coke.

The main energy sources of the 21st century are natural gas, electricity, and ultra-clean fuel oil, as well as hydrogen. Renewable energy sources of electricity and high value-added gasification/fuel of CO2 are emerging, and the use of clean and easy-to-use gas/liquid fuel oil is emerging. Expansion is expected, and there is a great need to secure hydrogen energy sources at low prices, but technology development and verification are required as economic feasibility has not yet been secured.

In particular, in terms of hydrogen production direction, gray hydrogen technology that uses by-product hydrogen generated during reforming of fossil fuels such as heavy oil and natural gas or generated during steel mills or petrochemical processes as an energy source, and unutilized energy sources such as low-grade coal, petroleum coke, and biotechnology. Blue hydrogen technology that produces synthetic gas using mass and waste and reforming it to produce hydrogen, and green hydrogen technology that produces hydrogen through electrolysis of water using renewable energy sources. It can be classified normally.

Accordingly, it is judged that it is necessary to develop blue hydrogen technology for hydrogen production as required by the market before entering the green hydrogen technology, which is not in the demonstration stage. The hydrogen production plant and synthesis gas plant markets are expected to continue to grow, and in the long term, hydrogen Plant, in the short term, clean synthetic gas plants are judged to be a key field in the overseas export plant market, and in the domestic case, the domestic syngas market is large and the hydrogen market such as hydrogen cities and hydrogen fuel cell vehicles is expected to grow rapidly, so verification, commercialization, and It is judged to be a suitable field for plant technology investment policy for overseas export and national wealth creation.

Generally, in order to produce hydrogen using petroleum coke, a slurry must be produced with petroleum coke, which is a fuel. Petroleum coke contains a large amount of oil and has fine particles, so it does not mix well in water and has the property of floating and clumping together.

In the case of conventional technology, an attempt was made to overcome the problem by using a change in the shape of the stirrer, but in the case of a stirrer that moves only along the longitudinal axis, there is a problem that petroleum coke floats on the water and does not mix no matter what shape it has, and the method of circulation using a pump has the problem of not mixing. There is a problem where lumpy coke aggregates inside the pipe and blocks the pipe, causing the pump to trip.

As a result of directly manufacturing slurry using petroleum coke, petroleum coke has the characteristic of not mixing well unless the particles suspended on the water are physically directly stirred, and even if mixed, it has the characteristic of quickly settling if the continuous stirring is not carried out.

The technology related to the plant for petroleum coke hydrogen production of the present invention can be achieved through a number of convergence technologies.

In Republic of Korea Patent Publication No. 10-2317351, the effluent water inlet and outlet are opened to introduce the effluent containing fine particles into the case, and the effluent water outlet and dehydration outlet are opened to facilitate the inflow. When the inflow of discharged water is completed, the dehydration discharge portion is closed, and the discharged water inflow and discharge portion continuously introduces discharged water, and the filtrated water discharge portion is opened to discharge the filtered discharged water. When the filtration step is stopped, the discharged water A filtration and stop stage in which the discharged water is discharged through the inflow and discharge unit, the filtrate discharge unit is closed, and the dehydration discharge unit is open. After all the discharge water is discharged in the filtration and stop step, fine particles in the filter filtration unit are rotated through the filter filtration unit. A dehydration operation step in which only the dehydration discharge portion is opened for dehydration. When the dehydration operation step is stopped, the fine particle detachment portion and the high pressure spray nozzle portion move up and down to detach the fine particles located inside the filter filtration portion, thereby filtering the filter. The part relates to a fine particle filtration device that operates in a filter filtration unit regeneration step that operates in rotation and a fine particle discharge step that transports, stores, and discharges the fine particles separated from the filter filtration unit regeneration step. In Republic of Korea Patent Publication No. 10-2316734, case (100); A plurality of channels 200 formed vertically inside the case; A catalyst permeable portion 300 located between the channels and partially formed with a porous catalyst portion; A reaction gas inlet 400 flowing into the side of the case; and at least two header portions 500 formed to allow fluid to move through the channels for heat exchange, wherein the plurality of channels have one or more annular shapes and an annular portion 210 is formed around the central axis of the case. , the catalyst permeable portion is formed while contacting between a plurality of channels formed by the annular portion, and the annular portion 210 has a reaction gas flowing between the upper and lower portions of the case at both ends of the outermost annular portion 211. A water-gas conversion isothermal catalytic reaction device including a catalyst permeation portion, which is characterized by forming a flow member 213 for inducing internal circulation and uniform dispersion and a channel-shaped member 214 with a circular cross-section, is disclosed. In Korean Patent Publication No. 10-2316737, the present invention includes a cylindrical reactor case, a central tube located in the center of the case and capable of moving fluid, a fluid supply unit connected to the upper part of the case to supply fluid into the interior, and the fluid supply unit. It is formed of a plurality of divided compartments for the catalytic reaction of the fluid supplied through it. One compartment is formed with the top, middle, and bottom, and only the top and bottom are open to allow fluid to move, and one compartment is located on one side of the middle and bottom. A first catalyst layer containing a catalyst, a first distribution unit included in the first catalyst layer and moving the fluid supplied through the fluid supply unit to the top of the first catalyst layer, and a first distribution unit included in the first catalyst layer A first convergence part that moves the fluid distributed by the catalytic reaction through the catalyst in the first catalyst layer to join the fluid in other compartments through the bottom through the center tube, and a center tube connected to the lower part of the case through the first confluence part. A water gas conversion reactor including a fluid discharge unit that is moved to the outside and discharged to the outside, a coolant discharge unit that is located on one side of the fluid supply unit and discharges coolant, and a coolant supply unit that is located on one side of the fluid discharge unit and supplies coolant is disclosed. It is done.

In Republic of Korea Patent Publication No. 10-2313690, a reaction gas containing gas and steam containing carbon monoxide generated through gasification of petroleum coke is supplied, and the synthesis gas is converted to hydrogen by reacting with a high-temperature catalyst and/or a low-temperature catalyst. This is a process that uses an iron chelate aqueous solution to create an iron chelate aqueous solution that can be directly recovered as sulfur (S) by contacting the iron chelate and synthesis gas in parallel to remove the high concentration of hydrogen sulfide (H2S) in the synthesis gas. It relates to a high-concentration hydrogen sulfide removal device with low absorbent consumption and increased contact efficiency during the petroleum coke synthesis gasification process for hydrogen production. Synthetic gas is introduced, hydrogen sulfide is removed, and the hydrogen sulfide-free synthesis gas is discharged continuously. A plurality of reaction tubes (100) in the form of a U-tube; Supply pipes 200 each connected to the uppermost part of the reaction tube to supply an aqueous iron chelate solution; Pressurized spray nozzles (110) for spraying the iron chelate aqueous solution formed inside the uppermost part of the reaction tube connected to the supply pipe; Discharge pipes 210 through which the aqueous iron chelate solution that captures the hydrogen sulfide formed in each of the lowermost portions of the reaction tubes is discharged; A water level control tank (300) storing the iron chelate aqueous solution that captures the hydrogen sulfide, to which the plurality of discharge pipes are individually connected; The iron chelate aqueous solution containing the hydrogen sulfide is depressurized from the water level control tank and brought into contact with oxygen or air.

A regeneration tank 400 that regenerates the iron chelate aqueous solution through fluidization; a precipitation tank (500) that precipitates sulfur in the iron chelate aqueous solution supplied from the regeneration tank into elemental sulfur and separates it from the iron chelate aqueous solution; and a storage tank 600 for supplying and storing the iron chelate aqueous solution from the precipitation tank to the supply pipe, wherein the flow rate of the synthesis gas is rapidly lowered between the plurality of reaction tubes and the consumption of the iron chelate aqueous solution is reduced. A device for continuously removing high concentration hydrogen sulfide in petroleum coke synthesis gas is disclosed, which further includes an electrostatic spray reactor (700) in the form of a right triangle to increase contact efficiency.

Republic of Korea Patent Publication No. 10-2313692 discloses a reaction tube 100 in the form of a U-tube formed to allow synthesis gas to flow in, remove hydrogen sulfide, and discharge the synthesis gas from which the hydrogen sulfide has been removed; A main reaction tube (200) in which the aqueous iron chelate solution formed at the front of the reaction tube is sprayed to form a solvent curtain film; A supply pipe (300) connected to the uppermost part of the main reaction tube and the reaction tube to supply the iron chelate aqueous solution; a plurality of first pressure injection nozzles (210) for spraying the iron chelate aqueous solution each formed into the main reaction tube connected to the supply pipe; A plurality of discharge pipes 220 through which the iron chelate aqueous solution that captures the hydrogen sulfide formed at the bottom of the main reaction pipe is discharged; A water level control tank (400) storing the iron chelate aqueous solution that captures the hydrogen sulfide, to which the plurality of discharge pipes are individually connected; A regeneration tank (400) that depressurizes the iron chelate aqueous solution in which the hydrogen sulfide is captured from the water level control tank and brings it into contact with oxygen or air to regenerate the iron chelate aqueous solution through bubble fluidization; a precipitation tank (500) that precipitates sulfur in the iron chelate aqueous solution supplied from the regeneration tank into elemental sulfur and separates it from the iron chelate aqueous solution; and a storage tank 600 for supplying and storing the iron chelate aqueous solution from the precipitation tank to the supply pipe, wherein the first pressure injection nozzle is positioned in the longitudinal direction (RL) of the main reaction pipe based on the position of the discharge pipe. A plurality of them may be formed, and a plurality of them may be formed on the same cross-section in the cross-sectional direction (RC) of the main reaction tube, and the first pressure injection nozzle is 180 degrees based on the upper cross-section line (RCU) on the same cross-section of the main reaction tube. It is formed at intervals of 10 to 25 degrees in the area, and the first pressure injection nozzle is positioned along the upper cross-section line (RCU) on the same cross-section of the main reaction tube in the longitudinal direction (RL) of the main reaction tube.

It is formed by changing the formation angle, and the water level is adjusted in the water level control tank so that the lowest part of the reaction tube where the discharge pipe is formed is so that a predetermined amount of the iron chelate aqueous solution that captures the hydrogen sulfide remains, and at the rear end of the main reaction tube. A plurality of second pressure injection nozzles 110 formed at predetermined positions in the vertical direction of the reaction tube formed in communication, wherein the iron chelate aqueous solution containing the hydrogen sulfide formed at the lowest part of the reaction tube is discharged. Reaction tube discharge pipe (120); A high-concentration hydrogen sulfide removal device using a solvent curtain membrane comprising a is disclosed.

In Republic of Korea Patent Publication No. 10-2300741, during the petroleum coke synthesis gasification process for hydrogen production, one or more of the roll-bent pipes or caps are welded, a workbench formed as a frame for welding the welded object, and one side of the upper surface of the workbench. A welding part for welding the object to be welded, a cap fixing part for fixing the cap to be welded, located on the other side of the upper surface of the workbench, and a pipe fixing part for fixing the roll-bent pipe to be welded, located on the other side of the upper surface of the workbench. A roll bending welding device that is located between the cap fixing part and the pipe fixing part on the upper surface of the work table and includes an air cooling part that sprays air to maintain a uniform temperature when the welding object is welded through the welding part. is starting.

Republic of Korea Patent Publication No. 10-2351661 relates to a device for buffing cams and pipes during the petroleum coke synthesis gasification process for hydrogen production, a buffing object that is a cap or pipe, and a frame for performing buffing work on the buffing object. a workbench formed by a worktable, a fixing part installed on one frame of the upper surface of the workbench to fix the buffing object, an internal buffing part installed on the other side of the upper surface of the workbench for buffing the inside of the buffing object fixed to the fixing part, and another upper surface of the workbench. Disclosed is a buffing device that includes a second rail installed on one side, and an external buffing unit located on the second rail for buffing the outside of the buffing object fixed to the fixing unit.

Republic of Korea Patent Publication No. 10-2292411 includes a raw material gas supply unit (10) that supplies synthetic gas produced in a petroleum coke gasification process; A water supply unit (20) that supplies supply water; A steam generator (100) that stably produces superheated steam using the water supplied to the water supply unit (20); a high-temperature reactor (210) that generates a first gas containing hydrogen under a first temperature condition using the raw material gas supplied from the supply unit (10) and steam produced by the steam generator (100) and discharges the first gas; a low-temperature reactor (220) for generating and discharging a second gas containing high concentration H2 under a second temperature condition using the intermediate product discharged from the high-temperature reactor (210) and the steam produced from the steam generator (100); and a hydrogen separator 400 for separating hydrogen in the second gas, wherein the steam generator 100 includes a multi-stage steam production unit and uses the second gas discharged from the low-temperature reactor 220 to produce the hydrogen in the second gas. The supply water supplied from the water supply unit 20 is preheated, and the preheated supply water is supplied to the first steam production unit 101 of the steam generator 100 to produce first steam, which is then converted into steam.

It is supplied to the drum 110, and a part of the mixed steam in the steam drum 110 is supplied to the second steam production unit 102 of the steam generator 100 to produce second steam, which is supplied to the steam drum 110. ) is circulated and supplied to the steam drum 110, and a portion of the mixed steam in the steam drum 110 is supplied to the third steam production unit 103 of the steam generator 100 to produce third steam and is used in the high temperature reactor 210 and the low temperature reactor 210. A high-purity hydrogen production system is disclosed, which is characterized by stably producing superheated steam supplied to the reactor 220.

Republic of Korea Patent Publication No. 10-22922426 is a method for continuously separating hydrogen and carbon dioxide with a purity of 99% or more from synthesis gas, in which components other than hydrogen in the synthesis gas are selectively separated through the supply pipe 100. A first step of passing through the first adsorption tower 110 or the second adsorption tower 120 filled with a plurality of first adsorbents capable of adsorption; A second step in which the hydrogen purified to high purity through the first or second adsorption tower in the first step is collected in the hydrogen storage tank 140 through the hydrogen pipe 130; In the second step, the adsorption tower for cleaning the first adsorbent saturated with the first tail gas among the first or second adsorption towers selectively stops producing the hydrogen and the first adsorption tower of the first or second adsorption tower. A third step of separating and cleaning the first tail gas from the adsorption tower by the first vacuum pump 160 formed on the tail gas pipe 150; A fourth step in which the first tail gas separated in the third step passes through a gas dryer 200 formed at the rear of the first vacuum pump and discharges a second tail gas from which moisture has been removed; The second tail gas that has passed through the gas dryer in the fourth step is a third adsorption tower filled with a second adsorbent capable of adsorbing carbon dioxide in the secondary tail gas through the second tail gas pipe 210 ( 220) or the fifth step of passing through the fourth adsorption tower (230); A sixth step in which the second tail gas that is not adsorbed through the third or fourth adsorption tower in the fifth step is circulated and supplied to the gas dryer through the circulation pipe 240; In the sixth step, the adsorption tower for cleaning the second adsorbent saturated with carbon dioxide among the third or fourth adsorption towers selectively stops the circulation supply of the second tail gas to the gas dryer and returns to the third adsorption tower. or a seventh step of separating and cleaning the carbon dioxide from the adsorption tower by the second vacuum pump 260 formed on the third tail gas pipe 250 of the fourth adsorption tower; And an eighth step in which the carbon dioxide separated in the seventh step is stored in the carbon dioxide storage tank 290 through the carbon dioxide pipe 280 at the rear end of the second vacuum pump. The adsorption pressure is 0.3 to 0.8 MPa, the desorption pressure is -0.06 to 0.88 MPa, the third and fourth adsorption towers are 0.001 to 0.07 MPa, and the desorption pressure is -0.07 to 0.06 MPa of hydrogen and carbon dioxide with a purity of 99% or more. A method for continuously separating is disclosed. However, there is a problem of low hydrogen recovery rate during the adsorption process.

Therefore, attempts were made to overcome the problem by changing the shape of the conventional stirrer, but in the case of a stirrer that moves only along the longitudinal axis, no prior art has been disclosed that solves the problem of petroleum coke floating on water and not mixing, no matter what shape it has.

[Patent Document]

Republic of Korea Patent Publication No. 10-2351661

Republic of Korea Patent Publication No. 10-2317351

Republic of Korea Patent Publication No. 10-2316734

Republic of Korea Patent Publication No. 10-2316737

Republic of Korea Patent Publication No. 10-2313690

Republic of Korea Patent Publication No. 10-2313692

Republic of Korea Patent Publication No. 10-2300741

Republic of Korea Patent Publication No. 10-2292411

Republic of Korea Patent Publication No. 10-2292426

The main purpose of the present invention to solve the above-described conventional problems is related to the stirrer part of the petroleum coke slurry production apparatus, and aims to solve the problem of coke samples floating on water and not mixing well.

Other objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and preferred embodiments taken in conjunction with the accompanying drawings.

The present invention to solve the technical problems described above has a central hole at the top, a first injection hole at one side of the upper portion for introducing water, coke, and surfactant, and a second injection hole into which the slurry produced while stirring is injected. It includes a cylindrical body including an air supply hole for air supply at the bottom, an air supply hole at the bottom for air supply, and a discharge hole through which the object to be stirred is discharged, and the lower part of the body is a hopper having a narrow width. A hopper part consisting of a stirrer motor located on the outer top of the hopper part to generate power for operating the stirrer, and one side connected to the stirrer motor to transmit power generated from the stirrer motor while passing through the center hole of the hopper part. A stirring unit including a first rotating shaft, a second rotating shaft connected at right angles to the other side of the first rotating shaft, and a stirring blade installed along the longitudinal direction of the second rotating shaft, and

A first connector located outside the hopper and connected between the discharge hole and the second input hole, located in the middle of the first connector, redirects the agitated object discharged from the discharge hole into the hopper through the second input hole. It provides a petroleum coke slurry manufacturing apparatus including a resupply unit including a circulation pump for supply, and a rail unit located inside the hopper and installed in a form surrounding the hopper along the inner wall.

Additionally, the first and second rotation shafts may be connected through ball bearings.

In addition, the end of the second rotation shaft additionally includes a toothed wheel, and the geared wheel may be connected to the rail portion.

Additionally, the first rotation axis may rotate in the longitudinal direction and the second rotation axis may rotate in the horizontal direction.

Additionally, the ball bearing may additionally include a sealing member for sealing.

Additionally, it may include a weight sensor that detects the weight of water being introduced into the hopper unit.

Additionally, it may include a load detection sensor to detect the load on the stirrer motor.

Additionally, air supply may proceed when the weight set through the weight sensor is detected.

Additionally, it is possible to determine whether the slurry has been manufactured through the load detection sensor.

Additionally, it may include a control unit for controlling the operation of the petroleum coke slurry production device.

Additionally, the sealing member may be a lip seal.

Additionally, the number of air supply holes may be 2 to 4.

Additionally, the nozzle may be any one or more of 1/2 inch, 1/4 inch, 1/8 inch, and 3/8 inch.

Additionally, the pressure supplied to the air supply hole may be 4 bar to 9 bar.

Additionally, the hopper may have a diameter of 1,000 mm to 1,500 mm on either the upper or lower surface.

Additionally, the amount of the object to be stirred at one time may be 20 kg or less.

In addition, Hz of 40 Hz or more can be adjusted through the control unit.

Additionally, the coke input through the control unit may be adjusted to 3kg to 6kg per minute.

Additionally, petroleum coke slurry can be manufactured through a method including the following steps using the above technical configuration.

1) An input agitation step of agitating the object to be stirred while injecting water, coke, and surfactant into the hopper unit;

2) an air supply step of supplying air to the object being stirred;

3) Circulation input step of re-supplying the agitated object to which the air supply is performed back to the hopper unit through the circulation pump.

The present invention sprays air at the bottom to prevent petroleum coke mixed with water from settling at the bottom, and the sprayed air generates bubbles on the water to prevent petroleum coke from clumping together.

In addition, there is the effect of being able to build an automated system by building it as a series of systems.

Figure 1 shows the configuration of a petroleum coke slurry production apparatus according to an embodiment of the present invention.

Figure 2 shows a stirring unit in one embodiment of the present invention.

Figure 3 shows a rail section located inside the hopper section according to an embodiment of the present invention.

Figure 4 shows a ball bearing and a sealing member connecting the first and second rotation shafts according to an embodiment of the present invention.

Figure 5 shows an operation mode according to an embodiment of the present invention.

Figure 6 shows types of lip seals according to an embodiment of the present invention.

Hereinafter, the present invention will be described in more detail with reference to the attached drawings. However, the attached drawings are only examples for easily explaining the content and scope of the technical idea of the present invention, and the technical scope of the present invention is not limited or changed thereby. Additionally, based on these examples, it will be obvious to those skilled in the art that various modifications and changes are possible within the scope of the technical idea of the present invention.

In addition, terms or words used in this specification and claims should not be construed as limited to their usual or dictionary meanings, and the inventor appropriately defines the concept of terms in order to explain his or her invention in the best way. It must be interpreted with meaning and concept consistent with the technical idea of the present invention based on the principle that it can be done. Therefore, the embodiments described in this specification are only one of the most preferred embodiments of the present invention and do not represent the entire technical idea of the present invention, so there are various equivalents and modifications that can replace them at the time of filing the present application. You must understand that it is possible.

Figure 1 shows the configuration of a petroleum coke slurry production apparatus as an embodiment of the present invention, Figure 2 shows a stirring unit as an embodiment of the present invention, and Figure 3 shows the inside of a hopper unit as an embodiment of the present invention. It shows the rail part located in, Figure 4 shows the ball bearing and sealing member connecting the first and second rotation shafts in one embodiment of the present invention, and Figure 5 shows the operation mode in one embodiment of the present invention. , Figure 6 shows types of lip seals according to an embodiment of the present invention.

The present invention includes a central hole in the upper part, a first inlet hole 110 for injecting water, coke, and surfactant on one side of the upper part, and a second inlet hole 120 into which the slurry produced while stirring is injected, A cylindrical body including an air supply hole 130 for air supply in the lower part, an air supply hole in the lower part for air supply and a discharge hole 140 through which objects to be stirred are discharged, and the lower part of the body has a narrow width. A hopper unit 100 consisting of a hopper 150, a stirrer motor 210 located at the outer top of the hopper unit and generating power for operating the stirrer, and power generated from the stirrer motor while penetrating the center hole of the hopper unit. A first rotating shaft 220 on one side connected to the stirrer motor in order to transmit a second rotating shaft 230 connected at right angles to the other side of the first rotating shaft, stirring installed along the longitudinal direction of the second rotating shaft A stirring unit 200 including a blade 240; and

A first connector 310 located outside the hopper and connected between the discharge hole and the second input hole, located in the middle of the first connector, moves the agitated object discharged from the discharge hole to the hopper through the second input hole. A petroleum coke slurry manufacturing device including a resupply unit 300 including a circulation pump 320 for resupplying the inside, and a rail unit 400 located inside the hopper and installed in a form surrounding the hopper along the inner wall. provides.

Additionally, the first and second rotation shafts may be connected through a ball bearing 250.

In addition, the end of the second rotation shaft additionally includes a gear wheel 260, and the gear wheel may be connected to the rail portion.

Additionally, the rail portion may include a tooth shape to engage with the gear wheel.

Additionally, the ball bearing may additionally include a sealing member 251 for sealing.

Additionally, a nozzle may be included to supply air through the air supply hole.

Additionally, a nozzle may be included to supply air through the air supply hole, and the nozzle may be used to prevent precipitation.

Additionally, the diameter of the nozzle may be 1/2 inch, 1/4 inch, 1/8 inch, and 3/8 inch.

Additionally, the nozzle may have a diameter of 1/2 inch to 7/8 inch.

Additionally, the nozzle may be a vibrating nozzle.

Additionally, the pressure supplied to the air supply hole may be 4 bar to 9 bar, preferably 5 bar to 8 bar, and more preferably 6 bar to 7 bar.

Additionally, the sealing member may be a lip seal.

Additionally, the diameter of at least one of the upper or lower surface of the hopper may be 1,000 mm to 1,500 mm.

In addition, Hz of 40 Hz or more can be adjusted through the control unit.

In addition, the stirrer motor may be overloaded as the number of objects to be stirred increases inside the hopper, and the objects to be stirred may not be properly stirred, so control is required to adjust the amount of objects to be stirred, and a certain amount at a certain time. can be input, and for this purpose, it can be controlled through the control unit.

In addition, the control unit can additionally control air supply pressure, air supply speed, and water input speed.

The faster the water input speed, the better, and 3 to 20 tons can be input per minute.

2) an air supply step of supplying air to the object being stirred;

Although the present invention has been described in detail through representative embodiments above, those skilled in the art will recognize that various modifications to the above-described embodiments are possible without departing from the scope of the present invention. You will understand.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims described later but also by equivalents to the claims.

[Explanation of symbols]

100: Hopper part

110: First input hole

120: Second input hole

130: Air supply hole

140: discharge hole

200: stirring unit

210: Stirrer motor

220: First rotation axis

230: Second rotation axis

240: Stirring blade

250: ball bearing

251: Sealing member

260: gearwheel

300: Resupply department

310: first connector

320: Circulation pump

400: Rail part

Claims

It includes a central hole in the upper part, a first inlet hole for injecting water, coke, and surfactant on one side of the upper part, and a second inlet hole for injecting the slurry produced while stirring, and an air supply hole in the lower part for supplying air. A hopper unit consisting of a cylindrical body including an air supply hole for supplying air to the lower part and a discharge hole through which objects to be stirred are discharged, and a hopper having a narrow width at the lower part of the body;

A stirrer motor located at the outer top of the hopper unit to generate power for operating the stirrer, a first rotating shaft on one side connected to the stirrer motor to transmit power generated from the stirrer motor while penetrating the center hole of the hopper unit, A second rotation shaft connected to be perpendicular to the other side of the first rotation shaft, a stirring unit including a stirring blade installed along the longitudinal direction of the second rotation shaft, and

A first connector located outside the hopper and connected between the discharge hole and the second input hole, located in the middle of the first connector, redirects the agitated object discharged from the discharge hole into the hopper through the second input hole. A resupply unit including a circulation pump for supply;

A petroleum coke slurry manufacturing device including a rail portion located inside the hopper and installed in a form surrounding the hopper along the inner wall.
According to paragraph 1,

A petroleum coke slurry manufacturing device in which the first and second rotation shafts are connected through ball bearings.
According to paragraph 1,

A petroleum coke slurry manufacturing apparatus further comprising a gear wheel at the end of the second rotating shaft, and the gear wheel is connected to the rail portion.
According to paragraph 1,

A petroleum coke slurry production device in which the first rotation shaft rotates in the longitudinal direction and the second rotation shaft rotates in the transverse direction.
According to paragraph 2,

The ball bearing is a petroleum coke slurry manufacturing device that additionally includes a sealing member for sealing.
According to paragraph 1,

A petroleum coke slurry manufacturing device including a nozzle for supplying air through the air supply hole.
According to paragraph 1,

A petroleum coke slurry manufacturing device including a weight sensor that detects the weight of water introduced into the hopper unit.
According to paragraph 1,

A petroleum coke slurry manufacturing device including a load detection sensor for detecting the load on the stirrer motor.
In clause 7,

A petroleum coke slurry manufacturing device in which air is supplied when the weight set through the weight sensor is detected.
According to clause 8,

A petroleum coke slurry manufacturing device that determines whether the slurry has been manufactured through the load detection sensor.
According to paragraph 1,

A petroleum coke slurry production device comprising a control unit for controlling the operation of the petroleum coke slurry production device.
According to clause 5,

A petroleum coke slurry manufacturing device wherein the sealing member is a lip seal.
According to paragraph 1,

A petroleum coke slurry manufacturing device having 2 to 4 air supply holes.
According to clause 6,

The petroleum coke slurry manufacturing device uses one or more of the nozzles of 1/2 inch, 1/4 inch, 1/8 inch and 3/8 inch.
According to paragraph 1,

A petroleum coke slurry production device in which the pressure supplied to the air supply hole is 4 bar to 9 bar.
According to paragraph 1,

The hopper is a petroleum coke slurry production device in which one or more of the upper or lower surfaces have a diameter of 1,000 mm to 1,500 mm.
According to paragraph 1,

A petroleum coke slurry production device in which the amount of the object to be stirred at one time is 20 kg or less.
According to clause 11,

A petroleum coke slurry manufacturing device capable of controlling Hz above 40Hz through the control unit.
According to clause 11,

A petroleum coke slurry production device in which the coke input through the control unit can be adjusted to 3kg to 6kg per minute.
A method of producing petroleum coke slurry through the following steps using the petroleum coke slurry production apparatus of any one of claims 1 to 19.

1) An input agitation step of agitating the object to be stirred while injecting water, coke, and surfactant into the hopper unit;

2) an air supply step of supplying air to the object being stirred;

3) Circulation input step of re-supplying the agitated object to which the air supply is performed back to the hopper unit through the circulation pump.