CN117463263B - Device and method for regenerating, activating and vulcanizing hydrogenation catalyst - Google Patents

Device and method for regenerating, activating and vulcanizing hydrogenation catalyst Download PDF

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Publication number
CN117463263B
CN117463263B CN202311809987.7A CN202311809987A CN117463263B CN 117463263 B CN117463263 B CN 117463263B CN 202311809987 A CN202311809987 A CN 202311809987A CN 117463263 B CN117463263 B CN 117463263B
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regeneration
catalyst
vibrating screen
machine body
rod
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CN117463263A (en
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李瑛�
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Shandong Jiuyuan New Material Co ltd
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Shandong Jiuyuan New Material Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/22—Stationary reactors having moving elements inside in the form of endless belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/009—Preparation by separation, e.g. by filtration, decantation, screening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0205—Impregnation in several steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/04—Mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/20—Sulfiding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)

Abstract

The invention relates to the technical field of petrochemical hydrogenation catalysts, in particular to a device and a method for regenerating, activating and vulcanizing a hydrogenation catalyst. The hydrogenation catalyst regeneration activation vulcanization device comprises a regeneration furnace, wherein the regeneration furnace is connected with a secondary vibrating screen through a conveyor belt, the secondary vibrating screen is connected with a regeneration machine body through a secondary vibrating screen discharging pipeline, and a vulcanizing device is connected to the secondary vibrating screen discharging pipeline; the regeneration machine body is vertically and rotatably provided with a rotating rod, the upper surface of the regeneration machine body is fixedly provided with an L-shaped setting plate, the upper surface of the setting plate is fixedly provided with a driving motor, the top of bull stick wears out the regeneration organism to through adapting unit and driving motor's output shaft fixed connection, the bull stick surface is circumference form fixed mounting and has many compounding poles. The device is arranged through the double-layer mesh belts of the first-layer mesh belt and the second-layer mesh belt, and the waste catalyst in the regenerating furnace is treated in sections, so that the treatment efficiency of the waste hydrogenation catalyst is greatly improved.

Description

Device and method for regenerating, activating and vulcanizing hydrogenation catalyst
Technical Field
The invention relates to the technical field of petrochemical hydrogenation catalysts, in particular to a device and a method for regenerating, activating and vulcanizing a hydrogenation catalyst.
Background
In recent years, the tendency of crude oil deterioration has been becoming more and more remarkable, and the demand for clean fuels has been increasing in various countries, and hydrofining has been one of the most effective means for producing clean fuels, and it has been required for refiners or petrochemical workers to treat the catalyst prior to the application of the catalyst because the metal of the new catalyst or regenerated catalyst used in refining, hydrofining or petrochemical is usually used in the form of an oxide and sometimes in the form of a metal.
In the prior art, when the waste hydrogenation catalyst is treated, the problems of low treatment efficiency and incomplete desulfurization and decarbonization exist in the catalyst regeneration stage; in the regeneration stage of the catalyst, partial materials are sunk at the bottom of the regeneration organism in the mixing process of the chelating agent and the catalyst, so that the materials cannot be fully mixed, and the quality of a final uniformly mixed finished product is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a device for regenerating, activating and vulcanizing a hydrogenation catalyst, which is characterized in that the treatment efficiency of the waste hydrogenation catalyst is greatly improved by arranging a double-layer mesh belt of a first-layer mesh belt and a second-layer mesh belt and carrying out sectional treatment on the waste catalyst in a regenerating furnace; through the setting of regeneration organism, solved at the in-process of mixing, have partial material to sink in regeneration organism internal bottom to lead to unable intensive mixing, influence the problem of final catalyst regeneration quality.
The invention also aims to provide a method for regenerating, activating and vulcanizing the hydrogenation catalyst, which greatly improves the quality of the hydrogenation catalyst after the treatment is finished through sectional control of the temperature of a regenerating furnace and selection of raw materials in a regenerating device and a vulcanizing device.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the hydrogenation catalyst regeneration activation vulcanization device comprises a regeneration furnace, wherein the regeneration furnace is connected with a secondary vibrating screen through a conveyor belt, the secondary vibrating screen is connected with a regeneration machine body through a secondary vibrating screen discharging pipeline, and a vulcanizing device is connected to the secondary vibrating screen discharging pipeline; the device comprises a regeneration machine body, wherein a rotating rod is vertically and rotatably arranged in the regeneration machine body, an L-shaped mounting plate is fixedly arranged on the upper surface of the regeneration machine body, a driving motor is fixedly arranged on the upper surface of the mounting plate, the top end of the rotating rod penetrates out of the regeneration machine body and is fixedly connected with an output shaft of the driving motor through a connecting part, and a plurality of mixing rods are fixedly arranged on the surface of the rotating rod in a circumferential shape;
the regeneration machine comprises a regeneration machine body, a rotating shaft is rotatably arranged on the inner wall of the regeneration machine body, a mounting ring is fixedly sleeved on the rotating shaft, a plurality of connecting rods are fixedly arranged on the surface of the mounting ring in a circumferential shape, a mounting block is fixedly arranged at one end of each connecting rod, a charging chute is arranged at one end of each mounting block, and the rotating shaft is controlled to rotate through a transmission assembly.
The hydrogenation catalyst regeneration activation vulcanization device also comprises a primary vibrating screen, wherein the primary vibrating screen is connected with the regenerating furnace through a lifting machine, a primary dust remover is arranged above the primary vibrating screen, a desulfurization section, a decarburization section, a constant temperature section and a cooling section are sequentially arranged inside the regenerating furnace, the desulfurization section is positioned on one side close to the primary vibrating screen, a layer of mesh belt and a layer of mesh belt are arranged inside the regenerating furnace, a secondary dust remover is arranged above the secondary vibrating screen, a secondary vibrating screen discharge hole is formed in the secondary vibrating screen, a vulcanization support is arranged below the vulcanizing device, and a vulcanizing device feed inlet is formed in the vulcanizing device.
Preferably, the transmission assembly comprises two bevel gears, two chain wheels, a chain and a round rod, wherein the round rod is arranged above the regenerated machine body through a first supporting component, the two bevel gears are respectively fixedly sleeved on an output shaft of the driving motor and the round rod and are in meshed connection, the two chain wheels are respectively fixedly sleeved on the round rod and the rotating shaft, and the chain is meshed and wound with the two chain wheels.
Preferably, the first supporting part comprises a first placement ring and a first supporting rod which are rotatably sleeved on the round rod, and two ends of the first supporting rod are fixedly connected with the outer annular wall of the first placement ring and the upper surface of the regeneration machine body respectively.
Preferably, the connecting part comprises a straight rod and a disc which are fixedly arranged at the bottom end of the output shaft of the driving motor, the top end of the rotating rod is vertically provided with a mounting groove, the disc is fixedly arranged in the mounting groove, and the upper surface of the disc is fixedly connected with the bottom end of the straight rod.
Preferably, the regeneration machine body upper surface fixed mounting has a section of thick bamboo of feeding, regeneration machine body upper surface has one end to be the hollow pipe of closed design through second supporting part fixed mounting, sliding seal inserts in the hollow pipe is equipped with the piston rod, the hollow pipe is the one end fixed mounting who closes the mouth has the discharging pipe, hollow pipe surface fixed mounting has the inlet pipe that is linked together with a section of thick bamboo of feeding, all be equipped with the check valve in discharging pipe and the inlet pipe, the one end that the hollow pipe was kept away from to the discharging pipe corresponds with the notch department position of mounting groove, the piston rod passes through drive assembly control and removes, a plurality of openings have been seted up on the disc surface, many hollow bars that are linked together with the mounting groove of bull stick center department fixed mounting.
Preferably, the driving assembly comprises a sliding plate, the surface of the round rod is provided with a reciprocating thread, the sliding plate is in threaded sleeve connection with the round rod, and the surface of the sliding plate is fixedly connected with one end of the piston rod.
Preferably, a discharge hole communicated with the material loading groove is formed in one end of the installation block, a baffle is arranged at the discharge hole in a vertical sliding mode, an L-shaped vertical plate is fixedly arranged on the surface of the installation block, the surface of the vertical plate is fixedly connected with the baffle through a spring rod, a ball is fixedly arranged on the inner wall of the regeneration machine body, a ball is fixedly arranged on the surface of the baffle through a connecting rod, and the ball is positioned on the rotating path of the ball.
Preferably, the second supporting part comprises a second placement ring and a second supporting rod which are fixedly sleeved on the hollow pipe, and two ends of the second supporting rod are fixedly connected with the upper surface of the regenerating body and the outer annular wall of the second placement ring respectively.
Preferably, a guide block is fixedly arranged on the inner bottom wall of the regenerated organism, and the longitudinal section of the guide block is a right triangle.
The method for regenerating, activating and vulcanizing the hydrogenation catalyst adopts the device for regenerating, activating and vulcanizing the hydrogenation catalyst, and comprises the following steps: first, catalyst regeneration is performed, then catalyst regeneration or catalyst activation sulfiding is performed:
catalyst regeneration: after the catalyst to be treated is treated by a primary vibrating screen, the catalyst enters a first layer of mesh belt and a second layer of mesh belt in a regenerating furnace, and then sequentially passes through a desulfurization section, a decarburization section, a constant temperature section and a cooling section, wherein the temperature of the desulfurization section is 300-420 ℃, the oxygen content in air supply is 0.5-0.75%, and the time is 1.5 hours; the temperature of the decarburization section is 350-480 ℃, the oxygen content in the air supply is 0.5-1%, and the time is 4-5 hours; the temperature of the constant temperature section is 460-480 ℃, the oxygen content in the air supply is 1%, and the time is 1 hour; the temperature of the cooling section is 80-150 ℃ and the time is 1.5 hours; then the mixture enters a secondary vibrating screen for treatment;
and (3) regenerating a catalyst: adding the regenerated catalyst into a regenerated organism, preparing a chelating agent into a solution, entering the regenerated organism through a discharge pipe and a hollow pipe, stirring, mixing and soaking with the catalyst, stirring and rotating for 30 minutes, transferring the soaked catalyst into a hopper, and standing for 2-4 hours; transferring the catalyst into a drying oven, wherein the drying temperature is 110-150 ℃ and the drying time is 4-6 hours, and obtaining an activated regenerated catalyst product; wherein the chelating agent is one of amino alcohol and polyethyleneimine, and the addition amount of the chelating agent is 2.0% -10.0% of the mass of the hydrogenation catalyst;
and (3) activating and vulcanizing the catalyst: adding the regenerated catalyst into a vulcanizer, adding soybean oil accounting for 5-20% of the catalyst mass, adding sulfur powder accounting for 5-20% of the catalyst mass, and keeping the temperature at 180-190 ℃ for 1-2 hours to obtain a vulcanized catalyst product.
The oxygen content in the supply air is the volume content.
The working mode of the regenerated organism comprises the following steps:
s1: firstly, putting a catalyst into a regeneration organism, and pouring the solution prepared with the chelating agent into a charging barrel;
s2: the driving motor is started to control the rotating rod and the plurality of mixing rods to rotate, at the moment, the round rod rotates, so that the sliding plate sleeved on the round rod in a threaded manner can carry out reciprocating movement in the horizontal direction along with the piston rod, and in the moving process, vulcanized oil in the charging barrel intermittently enters the mounting groove;
s3: the solution entering the mounting groove enters the regeneration body from the middle part of the rotating rod under the action of centrifugal force, and is uniformly mixed with the regeneration liquid through the rotation of a plurality of mixing rods;
s4: the rotating shaft can also rotate with the plurality of mounting blocks, so that materials piled up at the bottom in the regenerating body can be collected into the charging groove and then poured out, and the materials piled up at the bottom of the regenerating body can be fully and uniformly mixed;
s5: and taking the fully and uniformly mixed catalyst and chelating agent out of the regenerated organism, and then carrying out subsequent processing.
Compared with the prior art, the invention has the beneficial effects that:
(1) The waste catalyst in the regenerating furnace is treated in sections by the double-layer mesh belts of the first-layer mesh belt and the second-layer mesh belt, so that the treatment efficiency of the waste hydrogenation catalyst is greatly improved; by arranging the regeneration organism, the problems that partial materials are sunk at the inner bottom of the regeneration organism in the mixing process, so that the full mixing is not realized and the regeneration quality of the final catalyst is affected are solved;
(2) The quality of the hydrogenation catalyst after the treatment is greatly improved through sectional control of the temperature of the regenerating furnace and the selection of raw materials in the regenerating device and the vulcanizing device;
(3) The driving motor drives the rotating rod and the plurality of mixing rods to rotate, at the moment, the rotating shaft also rotates, so that materials accumulated at the bottom of the regenerating machine body can respectively enter a loading groove formed at the end parts of the plurality of mounting blocks and then are poured out of the loading groove, the materials accumulated at the bottom of the regenerating machine body can be fully and uniformly mixed, and the problem that the materials accumulated at the bottom of the regenerating machine body cannot be fully mixed due to the fact that the quality of a uniformly mixed finished product is influenced is avoided;
(4) In the process that the driving motor drives the rotating rod and the plurality of mixing rods to rotate, the vulcanized oil in the charging barrel intermittently enters the mounting groove and flows out from the plurality of hollow rods under the action of centrifugal force, so that the labor burden of workers is reduced, meanwhile, the vulcanized oil flowing out from the plurality of hollow rods on the surface of the rotating rod can diffuse from the middle part of the regenerating body to the periphery, compared with the traditional method that the vulcanized oil is thrown into the regenerating body from the upper part, the vulcanized oil can be fully mixed, can not be accumulated on the inner wall of the regenerating body under the action of the centrifugal force, and can not be fully mixed with the vulcanizing agent in the middle part of the regenerating body;
(5) When the installation piece is located the below, the baffle can cover the discharge gate this moment, the material that gets into the loading groove from the loading groove notch just can not follow the discharge gate and shift out like this, only rotate to being located the top when the installation piece, the baffle receives the butt pressure effort of ball and just can shift up this moment to make the discharge gate be in the state of opening, the material that is located the loading groove just can pour out from the loading groove, avoid piling up after the material that regenerates the organism bottom gets into the loading groove, along with the rotation of installation piece, can pile up in the loading groove and can't shift out, thereby lead to the material that is located the loading groove still can't be by intensive mixing.
Drawings
FIG. 1 is a schematic diagram of the apparatus for regenerating, activating and sulfiding a hydrogenation catalyst according to the present invention;
FIG. 2 is a schematic view of a front perspective partial cross-sectional structure of a regeneration body according to the present invention;
FIG. 3 is a schematic top perspective view of the regenerating body of the present invention;
FIG. 4 is a schematic cross-sectional view of a side view of a reproducing apparatus according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 2A;
FIG. 6 is an enlarged schematic view of the structure of FIG. 2B;
FIG. 7 is an enlarged schematic view of FIG. 3 at C;
FIG. 8 is an enlarged schematic view of the structure of FIG. 3D;
fig. 9 is an enlarged schematic view of fig. 4 at E.
In the figure: 1. a regenerator; 2. a rotating rod; 3. a driving motor; 4. a rotating shaft; 5. a connecting rod; 6. a mounting block; 7. a charging groove; 8. a mixing rod; 9. bevel gears; 10. a sprocket; 11. a chain; 12. a round bar; 13. a first setting ring; 14. a straight rod; 15. a disc; 16. a mounting groove; 17. a hollow tube; 18. a piston rod; 19. a discharge pipe; 20. a feed pipe; 21. a through port; 22. a hollow rod; 23. a slide plate; 24. a baffle; 25. a spring rod; 26. ball supporting; 27. a ball; 28. a second setting ring; 29. a guide block; 30. a charging barrel; 31. a primary vibrating screen; 32. a primary dust remover; 33. a secondary vibrating screen; 34. a secondary dust remover; 35. a hoist; 36. a conveyor belt; 37. a discharge hole of the secondary vibrating screen; 38. a secondary vibrating screen discharging pipeline; 39. a vulcanization support; 40. a vulcanizer; 41. a vulcanizer feed inlet; 42. a desulfurization section; 43. a decarbonization section; 44. a constant temperature section; 45. a cooling section; 46. a layer of mesh belt; 47. a two-layer mesh belt; 48. regenerating the organism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, 2 and 6, the hydrogenation catalyst regeneration activation vulcanization device comprises a regeneration furnace 1, wherein the regeneration furnace 1 is connected with a secondary vibrating screen 33 through a conveyor belt 36, the secondary vibrating screen 33 is connected with a regeneration machine body 48 through a secondary vibrating screen discharging pipeline 38, and a vulcanizer 40 is connected to the secondary vibrating screen discharging pipeline 38; the rotary rod 2 is vertically and rotatably arranged in the regeneration machine body 48, an L-shaped mounting plate is fixedly arranged on the upper surface of the regeneration machine body 48, the driving motor 3 is fixedly arranged on the upper surface of the mounting plate, the top end of the rotary rod 2 penetrates out of the regeneration machine body 48 and is fixedly connected with an output shaft of the driving motor 3 through a connecting part, and a plurality of mixing rods 8 are fixedly arranged on the surface of the rotary rod 2 in a circumferential shape; still include one-level shale shaker 31, one-level shale shaker 31 links to each other with regeneration facility 1 through lifting machine 35, one-level shale shaker 31 top is equipped with one-level dust remover 32, regeneration facility 1 inside is equipped with desulfurization section 42 in proper order, decarbonization section 43, constant temperature section 44 and cooling section 45, desulfurization section 42 is located and is close to one-level shale shaker 31 one side, regeneration facility 1 inside is equipped with one deck guipure 46 and two-layer guipure 47, two-level shale shaker 33 top is equipped with secondary dust remover 34, be equipped with secondary shale shaker discharge gate 37 on the secondary shale shaker 33, the below of vulcanizer 40 is equipped with vulcanization support 39, be equipped with vulcanizer feed inlet 41 on the vulcanizer 40.
As shown in fig. 2 and 7, the hydrogenation catalyst regeneration activation vulcanization device comprises a regeneration machine body 48, wherein a rotating rod 2 is vertically and rotatably arranged in the regeneration machine body 48, an L-shaped mounting plate is fixedly arranged on the upper surface of the regeneration machine body 48, a driving motor 3 is fixedly arranged on the upper surface of the mounting plate, the top end of the rotating rod 2 penetrates out of the regeneration machine body 48 and is fixedly connected with an output shaft of the driving motor 3 through a connecting component, the connecting component comprises a straight rod 14 and a disc 15 which are fixedly arranged at the bottom end of the output shaft of the driving motor 3, the top end of the rotating rod 2 is vertically provided with a mounting groove 16, the disc 15 is fixedly arranged in the mounting groove 16, the upper surface is fixedly connected with the bottom end of the straight rod 14, and a plurality of mixing rods 8 are fixedly arranged on the surface of the rotating rod 2 in a circumferential manner;
as shown in fig. 2, fig. 3, fig. 4, fig. 5 and fig. 8, a rotating shaft 4 is rotatably mounted on the inner wall of a regeneration body 48, a mounting ring is fixedly sleeved on the rotating shaft 4, a plurality of connecting rods 5 are fixedly mounted on the surface of the mounting ring in a circumferential shape, a mounting block 6 is fixedly mounted at one end of each connecting rod 5, a loading groove 7 is arranged at one end of each mounting block 6, the rotating shaft 4 is controlled to rotate through a transmission assembly, the transmission assembly comprises two bevel gears 9, two chain wheels 10, a chain 11 and a round rod 12, the round rod 12 is mounted above the regeneration body 48 through a first supporting component, the first supporting component comprises a first mounting ring 13 and a first supporting rod which are rotatably sleeved on the round rod 12, two ends of the first supporting rod are fixedly connected with the outer annular wall of the first mounting ring 13 and the upper surface of the regeneration body 48 respectively, the two bevel gears 9 are fixedly sleeved on an output shaft of a driving motor 3 and the round rod 12 and are in meshed connection, the two chain wheels 10 are fixedly sleeved on the round rod 12 and the rotating shaft 4 respectively, and the chain 11 is meshed and wound with the two chain wheels 10;
as shown in fig. 2, 3, 4, 5, 8 and 9, the driving motor 3 is started, the output shaft of the driving motor 3 drives the rotating rod 2 and the mixing rods 8 to rotate, and then the round rod 12 rotates under the transmission action of the two bevel gears 9, so that the rotating shaft 4 also drives the mounting blocks 6 to rotate under the transmission action of the two chain wheels 10 and the chain 11, when the mounting blocks 6 rotate to the bottom, the materials accumulated at the bottom in the regenerating body 48 at the moment enter the loading groove 7 formed on the surface of the mounting blocks 6, and then the materials located in the loading groove 7 at the moment can be poured out from the loading groove 7 along with the rotation of the mounting blocks 6 when the mounting blocks 6 rotate to the upper side, and then the materials are contacted with the mixing rods 8, so that the materials can be fully mixed.
As shown in fig. 2, 4, 5, 6, 7, 8. The upper surface of the regeneration body 48 is fixedly provided with a charging barrel 30, the upper surface of the regeneration body 48 is fixedly provided with a hollow pipe 17 with one end of the hollow pipe 17 designed to be closed through a second supporting part, the second supporting part comprises a second mounting ring 28 and a second supporting rod which are fixedly sleeved on the hollow pipe 17, two ends of the second supporting rod are respectively fixedly connected with the upper surface of the regeneration body 48 and the outer annular wall of the second mounting ring 28, a piston rod 18 is inserted in the hollow pipe 17 in a sliding and sealing manner, one end of the hollow pipe 17 which is closed is fixedly provided with a discharging pipe 19, the surface of the hollow pipe 17 is fixedly provided with a feeding pipe 20 communicated with the charging barrel 30, one ends of the discharging pipe 19 and the feeding pipe 20 are respectively provided with one-way valves, the one ends of the discharging pipe 19 far away from the hollow pipe 17 correspond to the hollow pipe 17, the position of a notch of a mounting groove 16 is controlled to move through a driving assembly, the driving assembly comprises a sliding plate 23, the surface of the round rod 12 is sleeved with a reciprocating thread, the sliding plate 23 is screwed on the round rod 12, and the round rod 12 is fixedly connected with one end of the round rod 16 which is fixedly provided with a plurality of round rods 22 fixedly connected with the surface of round rods 2, and the round rod 22 are fixedly provided with the round rods 2, and the surface of the round rod is fixedly provided with a plurality of round rods 2;
when the round rod 12 rotates, the sliding plate 23 which is in threaded connection with the round rod 12 carries out reciprocating movement in the horizontal direction along with the piston rod 18, in the moving process, the volume in the hollow tube 17 continuously changes from large to small and then from small to large, when the volume of the hollow tube 17 becomes small, the pressure intensity is increased, the vulcanized oil in the hollow tube 17 enters the mounting groove 16 from the discharging tube 19 and slides downwards to the bottom of the mounting groove 16 from the plurality of through holes 21, when the volume in the hollow tube 17 becomes large, the pressure intensity is reduced, the vulcanized oil in the charging barrel 30 enters the hollow tube 17 from the feeding tube 20, and when the volume in the hollow tube 17 becomes small next time, the vulcanized oil in the hollow tube 17 is extruded into the mounting groove 16 from the discharging tube 19, namely, the labor burden of workers is reduced without manual intermittent investment of the vulcanized oil;
the vulcanized oil at the bottom of the installation groove 16 flows out from the plurality of hollow rods 22 and diffuses towards the periphery under the action of centrifugal force generated by the rotation of the rotating rod 2, compared with the traditional method that the vulcanized oil is thrown into the regeneration machine body 48 from the upper part, the vulcanized oil can be fully mixed, can not be accumulated on the inner wall of the regeneration machine body 48 under the action of the centrifugal force of mixed liquid in the regeneration machine body 48, and can not be fully mixed with the vulcanizing agent at the middle part of the regeneration machine body 48.
As shown in fig. 9, one end of the installation block 6 is provided with a discharge hole communicated with the material loading groove 7, a baffle 24 is vertically arranged at the discharge hole in a sliding manner, the surface of the installation block 6 is fixedly provided with an L-shaped vertical plate, the surface of the vertical plate is fixedly connected with the baffle 24 through a spring rod 25, the inner wall of a regeneration machine body 48 is fixedly provided with a ball 26, the surface of the baffle 24 is fixedly provided with a ball 27 through a connecting rod, and the ball 26 is positioned on the rotating path of the ball 27;
along with the rotation of the mounting block 6, when the abutting ball 26 is not abutted against the ball 27, the baffle 24 can cover the discharge hole at the moment, materials in the loading groove 7 cannot be moved out of the loading groove 7, only when the mounting block 6 rotates to the upper side, the surface of the ball 27 fixedly connected with the baffle 24 through the connecting rod abuts against the surface of the abutting ball 26 fixedly mounted on the inner wall of the regeneration machine body 48, at the moment, the ball 27 moves upwards along the arc-shaped surface of the abutting ball 26, and then moves upwards with the baffle 24, the spring rod 25 contracts at the moment, the discharge hole is in an opened state, the materials in the loading groove 7 can be poured out of the discharge hole, and the situation that the materials accumulated at the bottom of the regeneration machine body 48 cannot be moved out of the loading groove 7 along with the rotation of the mounting block 6 is avoided, so that the materials in the loading groove 7 cannot be fully mixed.
As shown in fig. 2 and 4, a guide block 29 is fixedly arranged on the inner bottom wall of the regeneration body 48, and the longitudinal section of the guide block 29 is a right triangle;
the material guiding block 29 with the right triangle longitudinal section can enable the material falling on the bottom in the regeneration body 48 to be piled up along the inclined plane of the material guiding block near the installation block 6, so that the installation block 6 is convenient for collecting the material piled up on the bottom in the regeneration body 48.
The operation mode of the regenerating body 48 includes the following steps:
s1: firstly, putting the catalyst into a regeneration machine body 48, and filling a solution containing a chelating agent into a charging barrel 30;
s2: the driving motor 3 is started to control the rotation of the rotating rod 2 and the plurality of mixing rods 8, at the moment, the round rod 12 rotates, so that the sliding plate 23 which is in threaded sleeve connection with the round rod 12 carries the piston rod 18 to reciprocate in the horizontal direction, and in the moving process, the vulcanized oil in the charging barrel 30 intermittently enters the mounting groove 16;
s3: the solution entering the mounting groove 16 enters the regenerating body 48 from the middle part of the rotating rod 2 under the action of centrifugal force, and is uniformly mixed with the vulcanizing agent through the rotation of the plurality of mixing rods 8;
s4: the rotating shaft 4 also rotates with the plurality of mounting blocks 6, so that materials piled up at the bottom of the regeneration body 48 can be collected into the charging groove 7 and then poured out, and the materials piled up at the bottom of the regeneration body 48 can be fully and uniformly mixed;
s5: the well-mixed catalyst and chelating agent are removed from the regenerator 48 and then subsequently processed.
In the invention, the driving motor 3 is started, the output shaft of the driving motor 3 drives the rotating rod 2 and the plurality of mixing rods 8 to rotate, at the moment, under the transmission action of the transmission component, the rotating shaft 4 also drives the plurality of mounting blocks 6 to rotate, when the mounting blocks 6 rotate to the bottom, materials accumulated at the bottom in the regeneration machine body 48 enter the material loading groove 7 formed on the surface of the mounting blocks 6, and then along with the rotation of the mounting blocks 6, when the mounting blocks 6 rotate to the upper part, the materials in the material loading groove 7 can be poured out of the material loading groove 7, so that the materials are contacted with the plurality of mixing rods 8, the materials can be fully mixed, and the situation that the materials accumulated at the bottom of the regeneration machine body 48 cannot be fully mixed, so that the quality of uniformly mixed products is influenced is avoided.
The following examples were prepared using the above apparatus.
Example 1
The method for regenerating, activating and vulcanizing the hydrogenation catalyst comprises the following steps: first, catalyst regeneration is performed, then catalyst regeneration or catalyst activation sulfiding is performed:
catalyst regeneration: after the catalyst to be treated is treated by a primary vibrating screen, the catalyst enters a first layer of mesh belt and a second layer of mesh belt in a regenerating furnace, and then sequentially passes through a desulfurization section, a decarburization section, a constant temperature section and a cooling section, wherein the temperature of the desulfurization section is 380 ℃, the oxygen content in air supply is 0.6%, and the time is 1.5 hours; the temperature of the decarburization section is 460 ℃, the oxygen content in the air supply is 0.75%, and the time is 4.5 hours; the temperature of the constant temperature section is 460 ℃, the oxygen content in the air supply is 1%, and the time is 1 hour; the temperature of the cooling section is 100 ℃, the oxygen content in the air supply is 1%, and the time is 1.5 hours; then the mixture enters a secondary vibrating screen for treatment;
and (3) regenerating a catalyst: adding the regenerated catalyst into a regenerated organism, preparing a chelating agent into a solution, then entering the regenerated organism through a discharge pipe 19 and a hollow pipe 17, stirring, mixing and soaking with the catalyst, stirring and rotating for 30 minutes, transferring the soaked catalyst into a hopper, and standing for 3 hours; transferring the catalyst into a drying oven, wherein the drying temperature is 115 ℃ and the drying time is 5 hours, and obtaining the catalyst product after activation and regeneration; wherein the chelating agent is polyethyleneimine, and the addition amount of the chelating agent is 5% of the mass of the hydrogenation catalyst;
and (3) activating and vulcanizing the catalyst: and (3) adding the regenerated catalyst into a vulcanizer, adding soybean oil accounting for 20% of the mass of the catalyst, adding sulfur powder accounting for 5% of the mass of the catalyst, keeping the temperature at 185 ℃ and keeping the temperature for 1.5 hours to obtain a vulcanized catalyst product.
Example 2
The method for regenerating, activating and vulcanizing the hydrogenation catalyst comprises the following steps: first, catalyst regeneration is performed, then catalyst regeneration or catalyst activation sulfiding is performed:
catalyst regeneration: after the catalyst to be treated is treated by a primary vibrating screen, the catalyst enters a first layer of mesh belt and a second layer of mesh belt in a regenerating furnace, and then sequentially passes through a desulfurization section, a decarburization section, a constant temperature section and a cooling section, wherein the temperature of the desulfurization section is 410 ℃, the oxygen content in air supply is 0.75%, and the time is 1.5 hours; the temperature of the decarburization section is 480 ℃, and the oxygen content in the air supply is 1%, and the time is 5 hours; the temperature of the constant temperature section is 480 ℃, the oxygen content in the air supply is 1%, and the time is 1 hour; the temperature of the cooling section is 120 ℃, the oxygen content in the air supply is 1 percent, and the time is 1.5 hours; then the mixture enters a secondary vibrating screen for treatment;
and (3) regenerating a catalyst: adding the regenerated catalyst into a regenerated organism, preparing a chelating agent into a solution, entering the regenerated organism through a discharge pipe 19 and a hollow pipe 17, stirring, mixing and soaking with the catalyst, stirring and rotating for 30 minutes, transferring the soaked catalyst into a hopper, and standing for 2 hours; transferring the catalyst into a drying oven, wherein the drying temperature is 120 ℃, and the drying time is 4 hours, so as to obtain an activated regenerated catalyst product; wherein the chelating agent is amino alcohol, and the addition amount of the chelating agent is 2.0% of the mass of the hydrogenation catalyst;
and (3) activating and vulcanizing the catalyst: and (3) adding the regenerated catalyst into a vulcanizer, adding soybean oil accounting for 5% of the mass of the catalyst, adding sulfur powder accounting for 15% of the mass of the catalyst, keeping the temperature at 180 ℃ and keeping the temperature for 1 hour to obtain a vulcanized catalyst product.
Example 3
The method for regenerating, activating and vulcanizing the hydrogenation catalyst comprises the following steps: first, catalyst regeneration is performed, then catalyst regeneration or catalyst activation sulfiding is performed:
catalyst regeneration: after the catalyst to be treated is treated by a primary vibrating screen, the catalyst enters a first layer of mesh belt and a second layer of mesh belt in a regenerating furnace, and then sequentially passes through a desulfurization section, a decarburization section, a constant temperature section and a cooling section, wherein the temperature of the desulfurization section is 320 ℃, the oxygen content in air supply is 0.5%, and the time is 1.5 hours; the temperature of the decarburization section is 470 ℃, the oxygen content in the air supply is 0.5%, and the time is 4 hours; the temperature of the constant temperature section is 470 ℃, the oxygen content in the air supply is 1%, and the time is 1 hour; the temperature of the cooling section is 90 ℃, the oxygen content in the air supply is 1 percent, and the time is 1.5 hours; then the mixture enters a secondary vibrating screen for treatment;
and (3) regenerating a catalyst: adding the regenerated catalyst into a regenerated organism, preparing a chelating agent into a solution, then entering the regenerated organism through a discharge pipe 19 and a hollow pipe 17, stirring, mixing and soaking with the catalyst, stirring and rotating for 30 minutes, transferring the soaked catalyst into a hopper, and standing for 4 hours; transferring the catalyst into a drying oven, wherein the drying temperature is 150 ℃ and the drying time is 6 hours, and obtaining a catalyst product after activation and regeneration; wherein the chelating agent is amino alcohol, and the addition amount of the chelating agent is 10.0% of the mass of the hydrogenation catalyst;
and (3) activating and vulcanizing the catalyst: and (3) adding the regenerated catalyst into a vulcanizer, adding soybean oil accounting for 10% of the mass of the catalyst, adding sulfur powder accounting for 20% of the mass of the catalyst, keeping the temperature at 190 ℃ and keeping the temperature for 2 hours to obtain a vulcanized catalyst product.
Comparative example 1
The method for regenerating, activating and vulcanizing the hydrogenation catalyst comprises the following steps:
a. catalyst regeneration: after the catalyst to be treated is treated by a vibrating screen, the catalyst enters a regenerating furnace, then the temperature is raised to 400 ℃, the temperature is kept for 8 hours, the oxygen content in the air supply is 1%, and then the catalyst is treated by vibrating screen;
b. and (3) regenerating a catalyst: adding the catalyst obtained in the step a into a regenerating machine, adding a chelating agent, mechanically stirring for 40 minutes, transferring to a hopper, and standing for 4 hours; transferring the catalyst into a drying oven, wherein the drying temperature is 115 ℃ and the drying time is 6 hours, and obtaining the catalyst product after activation and regeneration; wherein the chelating agent is amino alcohol, and the addition amount of the chelating agent is 10.0% of the mass of the hydrogenation catalyst;
c. and (3) activating and vulcanizing the catalyst: and c, adding the catalyst obtained in the step a into a vulcanizing device, adding sulfur powder accounting for 10% of the mass of the catalyst, keeping the temperature at 190 ℃ and keeping the temperature for 2 hours to obtain a vulcanized catalyst product.
The test results of examples 1-3 and comparative example 1 are shown in Table 1.
Table 1 test results for examples 1-3 and comparative example 1
Through comparison, the device and the method have the advantages that after the device and the method are adjusted, the regeneration, activation and vulcanization effects of the hydrogenation catalyst are obvious and are far higher than those of the conventional operation, and the utilization rate of the waste hydrogenation catalyst is greatly improved.

Claims (4)

1. The device for regenerating, activating and vulcanizing the hydrogenation catalyst is characterized by comprising a regeneration furnace (1), wherein the regeneration furnace (1) is connected with a secondary vibrating screen (33) through a conveyor belt (36), the secondary vibrating screen (33) is connected with a regeneration machine body (48) through a secondary vibrating screen discharging pipeline (38), and a vulcanizing device (40) is connected to the secondary vibrating screen discharging pipeline (38); the device is characterized in that a rotating rod (2) is vertically and rotatably arranged in a regeneration machine body (48), an L-shaped mounting plate is fixedly arranged on the upper surface of the regeneration machine body (48), a driving motor (3) is fixedly arranged on the upper surface of the mounting plate, the top end of the rotating rod (2) penetrates out of the regeneration machine body (48) and is fixedly connected with an output shaft of the driving motor (3) through a connecting component, and a plurality of mixing rods (8) are fixedly arranged on the surface of the rotating rod (2) in a circumferential shape;
the device is characterized in that a rotating shaft (4) is rotatably arranged on the inner wall of the regeneration machine body (48), a mounting ring is fixedly sleeved on the rotating shaft (4), a plurality of connecting rods (5) are fixedly arranged on the surface of the mounting ring in a circumferential shape, a mounting block (6) is fixedly arranged at one end of each connecting rod (5), a charging groove (7) is formed at one end of each mounting block (6), and the rotating shaft (4) is controlled to rotate through a transmission assembly;
the novel desulfurization device comprises a regeneration furnace (1), and is characterized by further comprising a primary vibrating screen (31), wherein the primary vibrating screen (31) is connected with the regeneration furnace (1) through a lifting machine (35), a primary dust remover (32) is arranged above the primary vibrating screen (31), a desulfurization section (42), a decarburization section (43), a constant temperature section (44) and a cooling section (45) are sequentially arranged inside the regeneration furnace (1), the desulfurization section (42) is positioned at one side close to the primary vibrating screen (31), a layer of mesh belt (46) and a layer of mesh belt (47) are arranged inside the regeneration furnace (1), a secondary dust remover (34) is arranged above the secondary vibrating screen (33), a secondary vibrating screen discharge port (37) is arranged on the secondary vibrating screen (33), a vulcanizing bracket (39) is arranged below the vulcanizing machine (40), and a vulcanizing machine feed port (41) is arranged on the vulcanizing machine (40);
the transmission assembly comprises two bevel gears (9), two chain wheels (10), a chain (11) and a round rod (12), wherein the round rod (12) is arranged above a regeneration machine body (48) through a first supporting part, the two bevel gears (9) are fixedly sleeved on an output shaft of a driving motor (3) and the round rod (12) respectively and are in meshed connection, the two chain wheels (10) are fixedly sleeved on the round rod (12) and a rotating shaft (4) respectively, and the chain (11) is meshed and wound with the two chain wheels (10);
the connecting part comprises a straight rod (14) and a disc (15) which are fixedly arranged at the bottom end of an output shaft of the driving motor (3), a mounting groove (16) is vertically formed in the top end of the rotating rod (2), the disc (15) is fixedly arranged in the mounting groove (16), and the upper surface of the disc is fixedly connected with the bottom end of the straight rod (14);
the device is characterized in that a charging barrel (30) is fixedly arranged on the upper surface of a regeneration machine body (48), a hollow pipe (17) with one end being of a closed design is fixedly arranged on the upper surface of the regeneration machine body (48) through a second supporting component, a piston rod (18) is inserted in the hollow pipe (17) in a sliding sealing manner, a discharging pipe (19) is fixedly arranged on one end of the hollow pipe (17) which is of a closed shape, a feeding pipe (20) communicated with the charging barrel (30) is fixedly arranged on the surface of the hollow pipe (17), one-way valves are arranged in the discharging pipe (19) and the feeding pipe (20), one end, far away from the hollow pipe (17), of the discharging pipe (19) corresponds to the position of a notch of a mounting groove (16), the piston rod (18) is controlled to move through a driving component, a plurality of through holes (21) are formed in the surface of a disc (15), and a plurality of hollow rods (22) communicated with the mounting groove (16) are fixedly arranged at the center of a rotating rod (2).
The driving assembly comprises a sliding plate (23), a reciprocating thread is formed on the surface of the round rod (12), the sliding plate (23) is in threaded sleeve connection with the round rod (12), and the surface of the sliding plate is fixedly connected with one end of the piston rod (18);
the utility model discloses a ball-type feeding device for the plastic material, including installation piece (6), baffle (24) are provided with in the vertical sliding configuration of discharge gate department, the vertical board of installation piece (6) surface fixed mounting has L type, riser surface through spring beam (25) and baffle (24) fixed connection, regeneration organism (48) inner wall fixed mounting has to support ball (26), baffle (24) surface has ball (27) through connecting rod fixed mounting, it is located the rotation route of ball (27) to support ball (26).
2. The device for regenerating, activating and vulcanizing a hydrogenation catalyst according to claim 1, wherein the first supporting part comprises a first placement ring (13) and a first supporting rod which are rotatably sleeved on the round rod (12), and two ends of the first supporting rod are fixedly connected with the outer annular wall of the first placement ring (13) and the upper surface of the regeneration machine body (48) respectively.
3. The device for regenerating, activating and vulcanizing a hydrogenation catalyst according to claim 1, wherein the second supporting part comprises a second arranging ring (28) and a second supporting rod which are fixedly sleeved on the hollow tube (17), and two ends of the second supporting rod are fixedly connected with the upper surface of a regenerating machine body (48) and the outer annular wall of the second arranging ring (28) respectively; the guide block (29) is fixedly arranged on the inner bottom wall of the regeneration machine body (48), and the longitudinal section of the guide block (29) is a right triangle.
4. A method for regenerating, activating and vulcanizing a hydrogenation catalyst, characterized in that the device for regenerating, activating and vulcanizing a hydrogenation catalyst according to any one of claims 1 to 3 comprises the following steps: first, catalyst regeneration is performed, then catalyst regeneration or catalyst activation sulfiding is performed:
catalyst regeneration: after being treated by a primary vibrating screen (31), the catalyst to be treated enters a first layer of mesh belt (46) and a second layer of mesh belt (47) in a regenerating furnace (1), and then sequentially passes through a desulfurization section (42), a decarburization section (43), a constant temperature section (44) and a cooling section (45), wherein the temperature of the desulfurization section (42) is 300-420 ℃, the oxygen content in air supply is 0.5-0.75%, and the time is 1.5 hours; the temperature of the decarburization section (43) is 350-480 ℃, the oxygen content in the air supply is 0.5-1%, and the time is 4-5 hours; the temperature of the constant temperature section (44) is 460-480 ℃, the oxygen content in the air supply is 1%, and the time is 1 hour; the temperature of the cooling section (45) is 80-150 ℃ and the time is 1.5 hours; then enters a secondary vibrating screen (33) for treatment;
and (3) regenerating a catalyst: adding the regenerated catalyst into a regeneration machine body (48), preparing a chelating agent into a solution, entering the regeneration machine body (48) through a discharge pipe (19) and a hollow pipe (17), stirring, mixing and soaking with the catalyst, stirring and rotating for 30 minutes, transferring the soaked catalyst into a hopper, and standing for 2-4 hours; transferring the catalyst into a drying oven, wherein the drying temperature is 110-150 ℃ and the drying time is 4-6 hours, and obtaining an activated regenerated catalyst product; wherein the chelating agent is one of amino alcohol and polyethyleneimine, and the addition amount of the chelating agent is 2.0% -10.0% of the mass of the hydrogenation catalyst;
and (3) activating and vulcanizing the catalyst: adding the regenerated catalyst into a vulcanizer (40), adding soybean oil accounting for 5-20% of the catalyst mass, adding sulfur powder accounting for 5-20% of the catalyst mass, keeping the temperature at 180-190 ℃ for 1-2 hours, and obtaining a vulcanized catalyst product.
CN202311809987.7A 2023-12-27 2023-12-27 Device and method for regenerating, activating and vulcanizing hydrogenation catalyst Active CN117463263B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1390645A (en) * 2001-06-09 2003-01-15 许怀圣 Process for regenerating hydrocatalyst
US20130216462A1 (en) * 2010-09-01 2013-08-22 China Petroleum & Chemical Corporation Method for processing a sulfur-containing gas and a hydrogenation catalyst used therefor
CN103480435A (en) * 2013-09-30 2014-01-01 盘锦鑫安源化学工业有限公司 Method and device for ex-situ regeneration of hydrogenation catalyst
CN214639057U (en) * 2021-04-07 2021-11-09 新沂市久元矿业有限公司 A retrieve drying device for non-metal waste processing
CN219848582U (en) * 2023-05-15 2023-10-20 重庆康韵科技发展有限公司 Ultraviolet disinfection device for cleaning air conditioner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1390645A (en) * 2001-06-09 2003-01-15 许怀圣 Process for regenerating hydrocatalyst
US20130216462A1 (en) * 2010-09-01 2013-08-22 China Petroleum & Chemical Corporation Method for processing a sulfur-containing gas and a hydrogenation catalyst used therefor
CN103480435A (en) * 2013-09-30 2014-01-01 盘锦鑫安源化学工业有限公司 Method and device for ex-situ regeneration of hydrogenation catalyst
CN214639057U (en) * 2021-04-07 2021-11-09 新沂市久元矿业有限公司 A retrieve drying device for non-metal waste processing
CN219848582U (en) * 2023-05-15 2023-10-20 重庆康韵科技发展有限公司 Ultraviolet disinfection device for cleaning air conditioner

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