CN115572831A - Catalytic reaction equipment - Google Patents
Catalytic reaction equipment Download PDFInfo
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- CN115572831A CN115572831A CN202211259645.8A CN202211259645A CN115572831A CN 115572831 A CN115572831 A CN 115572831A CN 202211259645 A CN202211259645 A CN 202211259645A CN 115572831 A CN115572831 A CN 115572831A
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- pipe
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- circulating treatment
- dissolving
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- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 24
- 239000003054 catalyst Substances 0.000 claims abstract description 120
- 238000010926 purge Methods 0.000 claims abstract description 26
- 238000000151 deposition Methods 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 230000003197 catalytic effect Effects 0.000 claims abstract description 16
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000000926 separation method Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 16
- 238000004090 dissolution Methods 0.000 claims description 15
- 238000007664 blowing Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 230000008021 deposition Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 11
- 238000004064 recycling Methods 0.000 abstract description 6
- 239000007769 metal material Substances 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 description 26
- 239000002893 slag Substances 0.000 description 22
- 239000012295 chemical reaction liquid Substances 0.000 description 10
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 8
- 229910000510 noble metal Inorganic materials 0.000 description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 229910052763 palladium Inorganic materials 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 230000026058 directional locomotion Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000003878 thermal aging Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
- C22B11/042—Recovery of noble metals from waste materials
- C22B11/048—Recovery of noble metals from waste materials from spent catalysts
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/009—General processes for recovering metals or metallic compounds from spent catalysts
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- 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)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of catalytic equipment, in particular to catalytic reaction equipment, which comprises a catalyst and a catalyst recoverer, wherein the catalyst recoverer comprises: the device comprises a dissolving and depositing chamber, a circulating treatment part and a control part, wherein the dissolving and depositing chamber is internally rotatably provided with the circulating treatment part for dissolving and depositing the heavy metal catalyst; the top end of the circulating processing pipe penetrates through the dissolving and depositing chamber and is connected with a feeding bin in a rotating way; the purging pipe is arranged in the circulating treatment pipe, and a plurality of exhaust holes are formed in the purging pipe; the connecting pipe is communicated with the circulating treatment pipe, and a first filter screen is arranged at the communication part of the connecting pipe and the circulating treatment pipe; the catalyst is provided with a stirring piece, and the circulating treatment pipe is in transmission connection with the stirring piece; the catalyst is also provided with a discharging piece for discharging materials to the feeding bin. The device provided by the invention is convenient for directly recycling the catalyst after reaction, and realizes that the heavy metal material is obtained without transportation.
Description
Technical Field
The invention relates to the technical field of catalytic equipment, in particular to catalytic reaction equipment.
Background
Currently, most of the supported catalysts used in industry are palladium and platinum metal catalysts using alumina as a carrier. When the catalyst is used for a certain time, the catalytic activity of palladium and platinum is weakened to lose effect, but the existing state of the palladium and the platinum is unchanged and is still simple substance.
The reasons for catalyst deactivation are: (1) With the increase of the service time of the catalyst, the catalyst is subjected to thermal aging, the crystal grains of the active component grow due to overheating, and even sintering is carried out to reduce the catalytic activity; (2) Partial or total loss of activity due to poisoning by certain poisons; (3) Reduced activity due to accumulation of some contaminants such as oil, coke, etc. on the active surface of the catalyst or plugging of catalyst channels; (4) The catalyst has poor rupture strength, and after the catalyst is used for a period of time, particles are broken to cause the increase of system resistance, so that the catalyst cannot be used continuously. The service life of the catalyst is short and can be only months or even days, and the service life of the catalyst can be up to seven or eight years; the treatment method of the prior art waste catalyst mainly comprises a landfill/solidification treatment method, an incineration method and a recycling method, wherein the recycling method is a good method for solving the problem of the waste catalyst, which not only saves natural resources, but also reduces the pollution to the environment, particularly for the noble metal catalyst, in the preparation process of the noble metal catalyst, in order to ensure the activity, selectivity, toxicity resistance, certain strength, service life and other index performances, some noble metals are often added as active components, although the form, structure and quantity of certain components of the catalyst can be changed in the use process, the waste catalyst still contains a considerable amount of noble metals, and the recycling of noble metal regeneration resources is very necessary because the mineral resources have limited storage capacity, difficult production and low yield, so the price is constantly increased.
What present catalytic reaction equipment considered is how to realize efficient catalytic reaction, even if collect the catalyst after the catalysis was ended, nevertheless still need transport abandonment catalyst to catalyst centralized processing factory and carry out recycle, this moment is because of distance and cost problem, most catalyst can't be abandoned by recycle again, not only cause environmental pollution, cause the waste of heavy metal moreover, so need one kind and make things convenient for the catalytic reaction equipment who carries out catalyst recovery after the reaction, with need not just can realize the recovery of heavy metal through transporting.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide catalytic reaction equipment, which is convenient for directly recovering a catalyst after reaction and realizes that a heavy metal material is obtained without transportation.
In order to solve the technical problems, the invention adopts the following technical scheme:
a catalytic reaction apparatus comprising a catalyst and a catalyst reclaimer, the catalyst reclaimer comprising:
the device comprises a dissolving and depositing chamber, wherein a circulating treatment piece for dissolving and depositing heavy metal catalysts is rotatably arranged in the dissolving and depositing chamber, and the circulating treatment piece comprises a reaction chamber and a reaction chamber;
the top end of the circulating treatment pipe penetrates through the dissolving and depositing chamber and is rotatably connected with a feeding bin;
the purging pipe is arranged in the circulating treatment pipe, and a plurality of exhaust holes are formed in the purging pipe;
the connecting pipe is communicated with the circulating treatment pipe, a first filter screen is arranged at the communication position of the connecting pipe and the circulating treatment pipe, and a valve is further arranged on the connecting pipe;
the catalyst is provided with a stirring piece, and the circulating treatment pipe is in transmission connection with the stirring piece;
and the catalyst is also provided with a discharging piece for discharging materials to the feeding bin.
Preferably, the circulating treatment pipe is formed by connecting a plurality of pipe bodies in a snake-shaped arrangement to form an S-shaped baffling channel, and the circulating treatment pipe is obliquely arranged; the connecting pipe is communicated with the inclined bottom end of each pipe body.
Preferably, the purge pipe conforms to the shape of the circulation process pipe and extends from the top end to the bottom end of the circulation process pipe;
an air-entraining pipe is further arranged on the exhaust hole of each blowing pipe, and the direction of the air-entraining pipe is consistent with the flowing direction of the dissolving liquid;
and the dissolution deposition chamber is also provided with a hot air blower which can be connected with the purging pipe.
Preferably, be located the pipe bottommost is handled in the circulation seted up the material collecting opening on the body, it has sealing door to articulate on the material collecting opening.
Preferably, the stirring member includes:
a first motor disposed on the catalyst;
the free end of the rotating shaft extends into the catalytic converter, and a stirring blade is arranged on the rotating shaft.
Preferably, a driving wheel is arranged on the rotating shaft, a driven wheel is arranged on the circulating treatment pipe, and the driving wheel is in transmission connection with the driven wheel.
Preferably, the discharging member includes:
the separation box is internally and obliquely provided with a second filter screen, an opening is formed in the side wall of the separation box, and a closing door is hinged to the opening;
the first circulating pipe and the second circulating pipe are respectively arranged between the separation box and the catalyst in a penetrating way, and the first circulating pipe is also provided with a pump body.
Preferably, the side wall of the separation box, which is positioned above the second filter screen, is communicated with the first circulating pipe; and the side wall of the separation box, which is positioned below the second filter screen, is communicated with the second circulating pipe.
Preferably, be located the closing door below, separator box outer wall with still be provided with the crushing piece that moves on between the feeding storehouse, the crushing piece that moves on includes:
the U-shaped plate is composed of transverse plates and symmetrically arranged longitudinal plates, the transverse plates are arranged on the outer wall of the separation box, and the free ends of the transverse plates are positioned above the feeding bin;
the second motor is arranged on any one longitudinal plate;
and the rolling roller is rotatably arranged between the output shaft of the second motor and the other longitudinal plate.
Preferably, the top of the feeding bin can be detachably connected with a cover body.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention adopts a dissolution carrier method to recover the catalyst, and particularly utilizes gamma-Al 2 O 3 Dissolving the carrier with acid or alkali to obtain metal residue, extracting noble metal from the residue, and adding oxygen with aqua regia or hydrochloric acidA method for dissolving palladium and platinum by using an oxidant can achieve the aim of efficiently recovering heavy metals; the catalyst recoverer is arranged to realize efficient catalyst dissolution and catalyst precipitation separation so as to facilitate dissolving heavy metals by adding an oxidant into aqua regia or hydrochloric acid in the later period.
2. The circulating treatment pipe is formed by arranging a plurality of pipe bodies in a snake shape to form an S-shaped baffling channel, the catalyst is uniformly distributed in the circulating treatment pipe under the drive of the dissolving solution and is flatly laid at different positions of the circulating treatment pipe, and meanwhile, the catalyst is dispersed at different parts of the dissolving solution without being aggregated, so that the contact area of the dissolving solution and the catalyst is increased, the dissolving effect is effectively improved while the circulating treatment pipe rotates and mixes, the dissolving force is increased, and the precipitation and precipitation speed is accelerated.
3. The circulating treatment pipe can also rotate, after the circulating treatment pipe rotates, the catalysts are gradually close to each other and finally gather at the bottom end of the pipe body of the circulating treatment pipe, the gathered slag is filtered by the first filter screen and then is convenient to precipitate, the precipitated slag is dried under the hot air blowing of the blowing pipe, and finally the dried slag is collected, and if the heavy metal is purified, the slag is dissolved in aqua regia or hydrochloric acid added with an oxidant to obtain the heavy metal through separation.
Drawings
FIG. 1 is a sectional view showing the internal structure of a catalytic reactor apparatus according to the present invention;
FIG. 2 is a schematic view of the external structure of a catalytic reaction apparatus according to the present invention;
FIG. 3 is a schematic view of a purge tube structure of a catalytic reaction apparatus according to the present invention;
FIG. 4 is a schematic diagram of a moving crushing member of a catalytic reaction apparatus according to the present invention.
Description of reference numerals:
1. a catalyst; 2. a dissolution deposition chamber; 3. a circulation treatment pipe; 4. a feeding bin; 5. a purge tube; 6. taking over a pipe; 7. a first filter screen; 8. a bleed pipe; 9. a hot air blower; 10. a sealing door; 11. a first motor; 12. a rotating shaft; 13. a stirring paddle; 14. a driving wheel; 15. a driven wheel; 16. a separation box; 17. a second filter screen; 18. closing the door; 19. a first circulation pipe; 20. a second circulation pipe; 21. a pump body; 22. a transverse plate; 23. a longitudinal plate; 24. a second motor; 25. and (5) rolling the roller.
Detailed Description
The following detailed description of specific embodiments of the invention is provided, but it should be understood that the scope of the invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention. The experimental methods described in the examples of the present invention are all conventional methods unless otherwise specified.
A catalytic reactor apparatus, as shown in fig. 1-2, comprising a catalyst 1 and a catalyst recycler, wherein the catalyst 1 of the present application has only an additional stirring member, a first circulation pipe 19 and a second circulation pipe 20 compared with the conventional commercially available catalyst, and if the conventional commercially available catalyst has the stirring member, the present application has only the driving wheel 14 additionally arranged on the motor of the conventional commercially available catalyst, it is understood that the pressure and temperature control related devices of the conventional commercially available catalyst can be installed on the catalyst 1 of the present application, and the protection scope of the present application is not described on the catalyst 1, and the catalyst recycler comprises:
the device comprises a dissolution and deposition chamber 2, wherein a circulating treatment piece for dissolving and depositing heavy metal catalysts is rotationally arranged in the dissolution and deposition chamber 2, the dissolution and deposition chamber 2 is used for keeping the circulating treatment piece to stably rotate, and the circulating treatment piece comprises a base;
a circulation treatment pipe 3 for dissolving all the carrier in the circulation treatment pipe 3 with acid or alkali and extracting noble metal from the slag after the metal remains in the slag, wherein the carrier is not limited to gamma-Al 2 O 3 All can adopt the carrier that acid or alkali dissolved, this application all can carry out recycle, its with dissolve deposit room 2 and rotate and connect, the top and the bottom of circulation processing pipe 3 rotate respectively through the bearing and set up in dissolving deposit room 2 roof, diapire central authorities, and the bottom of circulation processing pipe 3 is the blind end, circulation processing is handledThe top end of the pipe 3 penetrates through the dissolution deposition chamber 2 and is rotatably connected with a feeding bin 4 through a bearing, at the moment, the circular treatment pipe 3 rotates, the feeding bin 4 does not rotate, and the feeding bin 4 is used for feeding a dissolution solution and a waste catalyst;
the blowing pipe 5 is arranged in the circulating treatment pipe 3, a plurality of exhaust holes are formed in the blowing pipe 5, the blowing pipe 5 is used for separating dissolved liquid from slag, drying the slag through hot air exhausted from the blowing pipe 5 after the slag is precipitated, and blowing and drying the slag through controlling the wind direction to enable the dried slag to move directionally to the bottom end of the circulating treatment pipe 3;
the connecting pipe 6 is communicated with the circulating treatment pipe 3, a first filter screen 7 is arranged at the communication position of the connecting pipe 6 and the circulating treatment pipe, the connecting pipe 6 is used for separating slag materials and dissolved liquid, the dissolved liquid is discharged through the connecting pipe 6 under the filtering action of the first filter screen 7, the free end of the connecting pipe 6 can penetrate through the dissolving and depositing chamber 2, a valve is further arranged on the connecting pipe 6, the dissolved liquid is discharged after the valve is opened, and the flowing direction of the dissolved liquid is regulated and controlled by the valve;
the catalyst 1 is provided with a stirring piece, the circulating treatment pipe 3 is in transmission connection with the stirring piece, the stirring piece is used for accelerating the reaction rate in the catalyst 1 on one hand and recovering the catalyst on the other hand, and the recovery and the catalysis can be carried out simultaneously;
the catalyst 1 is also provided with a discharging piece for discharging materials to the feeding bin 4, and after the catalyst cannot be reused, the waste catalyst can be directly discharged into the catalyst recoverer through the catalyst 1 through the discharging piece without manually taking out the waste catalyst; in addition, if the catalyst basically loses the catalytic capability in the experimental process, the waste catalyst and the reaction liquid can be separated by adopting the discharging piece, at the moment, the reaction liquid can return to the catalyst 1, and then new catalyst is added into the catalyst 1 for reaction.
Furthermore, the circulation processing pipe 3 is formed by connecting a plurality of pipe bodies in a snake-shaped arrangement manner to form an S-shaped deflection channel, the catalyst is uniformly distributed in the circulation processing pipe 3 under the drive of the dissolving solution and is flatly laid at different positions of the circulation processing pipe 3, and meanwhile, the catalyst is dispersed at different parts of the dissolving solution without being gathered, so that the contact area between the dissolving solution and the catalyst is increased, the effect of dissolution is effectively improved while the circulation processing pipe 3 rotates and mixes, the dissolution force is increased, and the precipitation and precipitation speed is accelerated; the circulating treatment pipe 3 is obliquely arranged, so that after the circulating treatment pipe 3 rotates, the catalysts are gradually close to each other and finally are gathered at the oblique bottom end of the pipe body of the circulating treatment pipe 3, and the gathered slag materials are conveniently precipitated after being filtered by the first filter screen 7; the connecting pipes 6 are communicated with the inclined bottom ends of the pipe bodies, so that the connecting pipes 6 can collect the dissolved solution conveniently.
Furthermore, the shape of the purging pipe 5 is consistent with that of the circulating treatment pipe 3, the purging pipe 5 extends from the top end to the bottom end of the circulating treatment pipe 3, the circulating treatment pipe 3 is arranged in the center of the purging pipe 5 at the moment, so that the slag attached to the inner wall of the purging pipe 5 can be uniformly blown off by hot gas conveniently, the flowing direction of the hot gas moves from the top end of the purging pipe 5 to the bottom end of the purging pipe 5, and the dried slag can be driven to move directionally along with the flowing direction of the hot gas conveniently;
as shown in fig. 3, an air-entraining tube 8 is further disposed on each exhaust hole of the purge tube 5, a direction of the air-entraining tube 8 is consistent with a flow direction of the solution, the flow direction of the solution flows from the top end of the purge tube 5 to the bottom end of the purge tube 5, at this time, the solution flows through different tube bodies from top to bottom in sequence, the catalyst is driven to be located at different positions in the purge tube 5, and hot air exhausted from the purge tube 5 is blown from the top end of the purge tube 5 to the bottom end of the purge tube 5, so as to conveniently drive the dried slag to move to the tube body located at the bottom end;
still be provided with air heater 9 on the dissolution deposition chamber 2, air heater 9 can with sweep the pipe 5 and connect, air heater 9 connects and sweeps behind the pipe 5, provides hot-blast to sweeping pipe 5 to carry out the drying to moist slag charge through hot-blast.
Further, be located the circulation is handled 3 bottommost seted up the collecting opening on the body of pipe, it has sealing door 10 to articulate on the collecting opening, blows to the slag charge to the collecting opening and gathers in the collecting opening, just can realize the collection to the slag charge through opening sealing door 10 this moment, dissolves on the 2 outer walls of deposit room, also seted up the opening with sealing door 10 position correspondence department.
Further, the stirring member includes:
a first motor 11 provided on the catalyst 1;
the rotating shaft 12 is provided with a stirring blade 13, the rotating shaft 12 drives the rotating shaft 12 and the stirring blade 13 to rotate after the first motor 11 rotates, and the reaction rate is improved through stirring.
Further, be provided with action wheel 14 in the pivot 12, be provided with from driving wheel 15 on the circulation treatment pipe 3, action wheel 14 with be connected from driving wheel 15 transmission, the stirring piece lies in going on when can realizing reacting and retrieving, and first motor 11 drives action wheel 14, action wheel 14 drives takes place rotatoryly from driving wheel 15, realizes pivot 12 and circulation treatment pipe 3 rotation simultaneously, can carry out the processing of useless catalyst when carrying out catalytic reaction, and need not to wait to reprocess after the catalytic reaction finishes.
Further, the ejection of compact piece includes:
the separation box 16 is obliquely provided with a second filter screen 17, an opening is formed in the side wall of the separation box 16, and a closing door 18 is hinged to the opening;
a first circulation pipe 19 and a second circulation pipe 20 which are respectively arranged between the separation tank 16 and the catalyst 1 in a penetrating way, a pump body 21 is further arranged on the first circulation pipe 19, if the catalyst is found to have basically lost the catalytic capability in the catalytic reaction process, the pump body 21 is opened, so that the reaction liquid and the catalyst are discharged into the separation tank 16 through the first circulation pipe 19, the waste catalyst and the reaction liquid are separated under the action of a second filter screen 17, the reaction liquid enters the catalyst 1 through the second circulation pipe 20, the waste catalyst is remained on the second filter screen 17, and after the waste catalyst is collected to a certain amount, the closed door 18 is opened, so that the waste catalyst can be added into the circulation processing pipe 3 through the feeding bin 4.
Furthermore, the side wall of the separation box 16 above the second sieve 17 is connected to the first circulation pipe 19; the separation box 16 is located on the side wall below the second filter screen 17 and is in through connection with the second circulating pipe 20, so that the separation of the waste catalyst and the reaction liquid is conveniently realized through the second filter screen 17.
Application method
When the catalyst is used, firstly, a catalyst and a reaction liquid are added into a catalyst 1 for reaction, when the catalyst is repeatedly utilized for many times and basically loses the catalytic capability, a pump body 21 is opened, so that the reaction liquid and the catalyst are firstly discharged into a separation box 16 through a first circulating pipe 19, the waste catalyst and the reaction liquid are separated under the action of a second filter screen 17, the reaction liquid enters the catalyst 1 through a second circulating pipe 20, the waste catalyst is remained on the second filter screen 17, after the waste catalyst is collected to a certain amount, a closed door 18 is opened to take out the waste catalyst, and then the waste catalyst is added into a circulating treatment pipe 3 for circulating treatment;
or the waste catalyst collected for many times can be added into the circulating treatment pipe 3 for recycling treatment while the catalytic reaction is carried out;
during recycling treatment, waste catalyst is firstly added into the circulation treatment pipe 3 through the feeding bin 4, solution is added into the circulation treatment pipe 3, then the circulation treatment pipe 3 is rotated under the rotation action of the first motor 11, the first motor 11 stops operating after the catalytic reaction is finished, the circulation treatment pipe 3 also stops rotating, at the moment, a valve on the connecting pipe 6 is opened, the solution is discharged through the connecting pipe 6, then the mixture stands until slag is completely precipitated, the hot air fan 9 is communicated with the blowing pipe 5, drying and directional movement of the slag are achieved through hot air discharged by the hot air fan 9, and after a certain time, the slag is collected at a sealing door.
Example 2
As shown in fig. 4, on the basis of embodiment 1, in order to facilitate the dissolution efficiency by crushing the waste catalyst, a moving crushing member is further disposed between the outer wall of the separation box 16 and the feeding bin 4 under the closing door 18, and the moving crushing member is used for crushing the waste catalyst, and the moving crushing member includes:
the device comprises a U-shaped plate consisting of a transverse plate 22 and longitudinal plates 23 which are symmetrically arranged, wherein the transverse plate 22 realizes the directional movement of the waste catalyst, the two longitudinal plates 23 limit the waste catalyst and prevent the waste catalyst from sliding down through the transverse plate 22, the transverse plate 22 is arranged on the outer wall of the separation box 16, the free end of the transverse plate 22 is positioned above the feeding bin 4, and the waste catalyst slides to the transverse plate 22 through a second filter screen 17 under the action of a second filter screen 17 which is obliquely arranged, and then slides to the feeding bin 4 through the transverse plate 22;
a second motor 24 provided on any one of the vertical plates 23;
roll roller 25, its rotation set up in second motor 24 output shaft and another between the vertical plate 23, roll roller 25 and be provided with the bearing between the vertical plate 23, second motor 24 rotates the back, drives and rolls roller 25 and takes place to rotate, smashes spent catalyst through pivoted roll roller 25 then to increase spent catalyst and dissolve the area of contact of liquid, promote dissolution efficiency.
Further, 4 tops in feeding storehouse still can dismantle and be connected with the lid, and the lid is avoided dissolving liquid and is volatilized, and then promotes the air quality.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A catalytic reaction apparatus comprising a catalyst (1) and a catalyst recoverer, the catalyst recoverer comprising:
the device comprises a dissolving and depositing chamber (2), wherein a circulating treatment piece for dissolving and depositing the heavy metal catalyst is rotatably arranged in the dissolving and depositing chamber (2), and the circulating treatment piece comprises a reaction chamber and a reaction chamber;
the circulating treatment pipe (3) is rotatably connected with the dissolving and depositing chamber (2), the top end of the circulating treatment pipe (3) penetrates through the dissolving and depositing chamber (2) and is rotatably connected with a feeding bin (4);
the purging pipe (5) is arranged in the circulating treatment pipe (3), and a plurality of exhaust holes are formed in the purging pipe (5);
the connecting pipe (6) is communicated with the circulating treatment pipe (3), a first filter screen (7) is arranged at the communication position of the connecting pipe and the circulating treatment pipe, and a valve is further arranged on the connecting pipe (6);
the catalyst (1) is provided with a stirring piece, and the circulating treatment pipe (3) is in transmission connection with the stirring piece;
the catalyst (1) is also provided with a discharging piece for discharging materials to the feeding bin (4).
2. A catalytic reactor unit according to claim 1, characterized in that the circulation treatment pipe (3) is formed by connecting a plurality of pipe bodies in a serpentine arrangement and forming an S-shaped deflection channel, and the circulation treatment pipe (3) is arranged obliquely; the connecting pipe (6) is communicated with the inclined bottom end of each pipe body.
3. A catalytic reactor device according to claim 2, wherein the purge tube (5) conforms to the shape of the circulation process tube (3) and the purge tube (5) extends from the top end to the bottom end of the circulation process tube (3);
an air entraining pipe (8) is further arranged on the exhaust hole of each blowing pipe (5), and the direction of the air entraining pipe (8) is consistent with the flowing direction of the dissolving liquid;
the dissolution deposition chamber (2) is also provided with a hot air blower (9), and the hot air blower (9) can be connected with the purging pipe (5).
4. A catalytic reaction device according to claim 1, wherein a material collecting opening is arranged on the tube body at the bottommost part of the circulating treatment tube (3), and a sealing door (10) is hinged on the material collecting opening.
5. A catalytic reactor apparatus as claimed in claim 4 wherein the agitator means comprises:
a first electric motor (11) arranged on the catalyst (1);
the free end of the rotating shaft (12) extends into the catalytic converter (1), and a stirring blade (13) is arranged on the rotating shaft (12).
6. A catalytic reaction apparatus as claimed in claim 5, wherein the rotating shaft (12) is provided with a driving wheel (14), the circulating treatment pipe (3) is provided with a driven wheel (15), and the driving wheel (14) is in transmission connection with the driven wheel (15).
7. A catalytic reaction unit as claimed in claim 6 wherein the take-off member comprises:
the separation box (16) is internally and obliquely provided with a second filter screen (17), the side wall of the separation box (16) is provided with an opening, and the opening is hinged with a closing door (18);
a first circulating pipe (19) and a second circulating pipe (20) which are respectively arranged between the separation tank (16) and the catalyst (1) in a penetrating way, and a pump body (21) is also arranged on the first circulating pipe (19).
8. A catalytic reactor unit according to claim 7, characterised in that the separation tank (16) is connected to the first circulation duct (19) at the upper side wall of the second sieve (17); the side wall of the separation box (16) which is positioned below the second filter screen (17) is communicated with the second circulating pipe (20).
9. A catalytic reaction unit according to claim 7, characterised in that traveling shredder elements are also arranged between the outer wall of the separation box (16) and the feed bin (4) below the closing door (18), said traveling shredder elements comprising:
the U-shaped plate is composed of transverse plates (22) and longitudinal plates (23) which are symmetrically arranged, the transverse plates (22) are arranged on the outer wall of the separation box (16), and the free ends of the transverse plates are positioned above the feeding bin (4);
a second motor (24) provided on any one of the longitudinal plates (23);
and the rolling roller (25) is rotationally arranged between the output shaft of the second motor (24) and the other longitudinal plate (23).
10. A catalytic reactor apparatus as claimed in claim 1, characterised in that a cover is removably attached to the top of the feed bin (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211259645.8A CN115572831B (en) | 2022-10-14 | 2022-10-14 | Catalytic reaction equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211259645.8A CN115572831B (en) | 2022-10-14 | 2022-10-14 | Catalytic reaction equipment |
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| CN115572831A true CN115572831A (en) | 2023-01-06 |
| CN115572831B CN115572831B (en) | 2023-10-24 |
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| EP0363314A1 (en) * | 1988-09-19 | 1990-04-11 | CGB CONSULTING GRUPPE BADEN Dr.-Ing. WALTHER AG | Process and device for recovering catalyst constituents |
| CN203877932U (en) * | 2014-01-27 | 2014-10-15 | 洛阳市双通技术服务有限公司 | Device for recovering ruthenium from waste catalyst |
| WO2019223996A1 (en) * | 2018-05-23 | 2019-11-28 | Robert Bosch Gmbh | Method and device for extracting gold and/or silver and/or at least one platinum group metal |
| CN212426141U (en) * | 2020-06-29 | 2021-01-29 | 江西悦诚科技有限公司 | Dissolving device for recovering metal platinum in catalyst waste |
| CN213102231U (en) * | 2020-08-21 | 2021-05-04 | 贵州威顿催化技术有限公司 | Waste catalyst recycling device |
| CN215163032U (en) * | 2021-07-16 | 2021-12-14 | 广东顺福环保科技有限公司 | Platinum recovery equipment containing platinum dead catalyst |
| CN215963596U (en) * | 2021-10-20 | 2022-03-08 | 浙江金泰莱环保科技有限公司 | Platinum-containing waste catalyst carrier dissolving and recycling equipment |
-
2022
- 2022-10-14 CN CN202211259645.8A patent/CN115572831B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0363314A1 (en) * | 1988-09-19 | 1990-04-11 | CGB CONSULTING GRUPPE BADEN Dr.-Ing. WALTHER AG | Process and device for recovering catalyst constituents |
| CN203877932U (en) * | 2014-01-27 | 2014-10-15 | 洛阳市双通技术服务有限公司 | Device for recovering ruthenium from waste catalyst |
| WO2019223996A1 (en) * | 2018-05-23 | 2019-11-28 | Robert Bosch Gmbh | Method and device for extracting gold and/or silver and/or at least one platinum group metal |
| CN212426141U (en) * | 2020-06-29 | 2021-01-29 | 江西悦诚科技有限公司 | Dissolving device for recovering metal platinum in catalyst waste |
| CN213102231U (en) * | 2020-08-21 | 2021-05-04 | 贵州威顿催化技术有限公司 | Waste catalyst recycling device |
| CN215163032U (en) * | 2021-07-16 | 2021-12-14 | 广东顺福环保科技有限公司 | Platinum recovery equipment containing platinum dead catalyst |
| CN215963596U (en) * | 2021-10-20 | 2022-03-08 | 浙江金泰莱环保科技有限公司 | Platinum-containing waste catalyst carrier dissolving and recycling equipment |
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| CN115572831B (en) | 2023-10-24 |
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