CN220878665U - A quick drying device for SAPO molecular sieve material - Google Patents
A quick drying device for SAPO molecular sieve material Download PDFInfo
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- CN220878665U CN220878665U CN202322596428.4U CN202322596428U CN220878665U CN 220878665 U CN220878665 U CN 220878665U CN 202322596428 U CN202322596428 U CN 202322596428U CN 220878665 U CN220878665 U CN 220878665U
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- dust remover
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- molecular sieve
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- 238000001035 drying Methods 0.000 title claims abstract description 107
- 239000000463 material Substances 0.000 title claims abstract description 68
- 239000002808 molecular sieve Substances 0.000 title claims abstract description 66
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 241000269350 Anura Species 0.000 title claims abstract description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 112
- 239000000428 dust Substances 0.000 claims abstract description 74
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 53
- 238000010009 beating Methods 0.000 claims abstract description 21
- 238000004537 pulping Methods 0.000 claims abstract description 14
- 238000001704 evaporation Methods 0.000 claims abstract description 10
- 230000008020 evaporation Effects 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 10
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 238000010008 shearing Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 5
- 239000013072 incoming material Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 abstract description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 description 7
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Abstract
The utility model discloses a rapid drying device for SAPO molecular sieve materials, which relates to the technical field of molecular sieve drying, wherein a beating tank is connected with rotary flash evaporation drying integrated equipment, a nitrogen heater is connected with the rotary flash evaporation drying integrated equipment, the rotary flash evaporation drying integrated equipment is connected with a first dust remover, the rotary flash evaporation drying integrated equipment is connected with a second dust remover, and a nitrogen source is respectively connected with the first dust remover and the second dust remover; the first dust remover and the second dust remover are both connected with a condenser, the first dust remover is connected with the pulping tank, the second dust remover is connected with the product bin, the condenser is connected with a nitrogen heater, and the condenser is connected with the outside. The utility model can realize two-stage drying of the molecular sieve material containing the organic amine in one device and simultaneously obtain quick drying, thereby improving the product quality and reducing the manufacturing cost.
Description
Technical Field
The utility model relates to the technical field of molecular sieve drying, in particular to a rapid drying device for SAPO molecular sieve materials.
Background
In order to improve the market competitiveness of SMTO catalysts, the development of high-end MTO catalyst products with reliable performance, advanced technology, energy conservation and environmental protection is the core of improving the competitiveness, and the development of drying process technology and equipment suitable for organic amine-containing SAPO-34 molecular sieve materials is the foundation of improving the competitiveness. However, the prior SAPO-34 molecular sieve has complex production flow, large hazardous waste production amount and high manufacturing cost; and the existing production equipment cannot meet the requirements of quick drying of molecular sieve materials containing organic amine and recovery of the organic amine.
Disclosure of utility model
The utility model aims to provide a rapid drying device for SAPO molecular sieve materials, which solves the problems in the prior art, enables the molecular sieve materials containing organic amine to be rapidly dried, and reduces the manufacturing cost.
In order to achieve the above object, the present utility model provides the following solutions:
The utility model provides a rapid drying device for SAPO molecular sieve materials, which comprises a pulping tank, a nitrogen source, rotary flash evaporation drying integrated equipment, a nitrogen heater, a first dust remover, a second dust remover, a product bin and a condenser;
the pulping tank is used for stirring and pulping incoming materials, a discharging pipe orifice of the pulping tank is connected with a nozzle of the rotary flash drying integrated equipment, an outlet of the nitrogen heater is connected with an inlet of the rotary flash drying integrated equipment, a first outlet of the rotary flash drying integrated equipment is connected with a first inlet of the first dust remover, a second outlet of the rotary flash drying integrated equipment is connected with a first inlet of the second dust remover, and a nitrogen source is respectively connected with the first inlet of the first dust remover, the second inlet of the first dust remover, the first inlet of the second dust remover and the second inlet of the second dust remover;
The first outlet of the first dust remover and the first outlet of the second dust remover are connected with the inlet of the condenser, the second outlet of the first dust remover is connected with the first inlet of the pulping tank, the second outlet of the second dust remover is connected with the product bin, the first outlet of the condenser is connected with the inlet of the nitrogen heater, and the second outlet of the condenser is connected with the outside.
Preferably, the beating tank comprises a tank body and a stirring structure, the stirring structure is arranged in the tank body, a feed inlet is formed in the top of the tank body, a discharge pipe orifice is formed in the side wall of the tank body, and a slag discharge port is formed in the bottom of the tank body.
Preferably, the device further comprises a shear pump, wherein an inlet of the shear pump is connected with a discharge pipe orifice of the beating tank, and an outlet of the shear pump is respectively connected with a nozzle of the spin flash drying integrated device and a second inlet of the beating tank.
Preferably, the spin flash drying integrated device comprises a shell, the nozzle and a scattering structure, wherein the nozzle and the scattering structure are both positioned in the shell, and the nozzle is positioned above the scattering structure.
Preferably, the condenser further comprises a condensate pump, and the condensate pump is arranged at the second outlet of the condenser.
Preferably, the nitrogen gas heating device further comprises a fan, wherein an inlet of the fan is connected with a gas outlet of the condenser, and an outlet of the fan is respectively connected with an inlet of the nitrogen gas heater and the outside.
Preferably, an inlet valve is arranged at the inlet of the product bin, an outlet valve is arranged at the outlet of the product bin, the bin wall of the product bin is of a jacket structure, and cooling water is introduced into the jacket structure.
Preferably, the first dust remover and the second dust remover are cloth bag dust removers.
Compared with the prior art, the utility model has the following technical effects:
According to the utility model, the beating tank is used for beating the molecular sieve material, the rotary flash evaporation drying integrated equipment is used for spraying, feeding, pre-drying and drying, and the product bin is used for collecting and discharging the product at low temperature. According to the embodiment, the SAPO-34 molecular sieve material is subjected to secondary rapid drying in one rotary flash evaporation drying integrated device, the organic amine is evaporated and removed, and the removed organic amine is recovered in a nitrogen circulation system, so that the short-flow rapid drying and nitrogen closed circulation are realized.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a rapid drying apparatus for SAPO molecular sieve material according to the utility model;
wherein: 1-beating tank, 2-shearing pump, 3-spin flash drying integration equipment, 4-nitrogen heater, 5-circulating fan, 6-first dust remover, 7-second dust remover, 8-product feed bin, 9-condenser, 10-condensate pump.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to fall within the scope of the utility model.
The utility model aims to provide a rapid drying device for SAPO molecular sieve materials, which solves the problems in the prior art, enables the molecular sieve materials containing organic amine to be rapidly dried, and reduces the manufacturing cost.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1: the embodiment provides a rapid drying device for SAPO molecular sieve materials, which comprises a beating tank 1, a nitrogen source, rotary flash evaporation and drying integrated equipment 3, a nitrogen heater 4, a first dust remover 6, a second dust remover 7, a product bin 8 and a condenser 9;
The pulping tank 1 is used for stirring and pulping incoming materials, a discharge pipe orifice of the pulping tank 1 is connected with a nozzle of the rotary flash drying integrated equipment 3, an outlet of the nitrogen heater 4 is connected with an inlet of the rotary flash drying integrated equipment 3, a first outlet of the rotary flash drying integrated equipment 3 is connected with a first inlet of the first dust remover 6, a second outlet of the rotary flash drying integrated equipment 3 is connected with a first inlet of the second dust remover 7, and a nitrogen source is respectively connected with a first inlet of the first dust remover 6, a second inlet of the first dust remover 6, a first inlet of the second dust remover 7 and a second inlet of the second dust remover 7;
The first outlet of the first dust remover 6 and the first outlet of the second dust remover 7 are both connected with the inlet of the condenser 9, the second outlet of the first dust remover 6 is connected with the first inlet of the beating tank 1, the second outlet of the second dust remover 7 is connected with the product bin 8, the first outlet of the condenser 9 is connected with the inlet of the nitrogen heater 4, and the second outlet of the condenser 9 is connected with the outside.
Specifically, in this embodiment, beating jar 1 includes jar body and stirring structure, and stirring structure sets up in the jar body, and the top of jar body is provided with the feed inlet, and the discharging tube mouth sets up the lateral wall at the jar body, and the bottom of jar body is provided with the sediment mouth for regularly arrange sediment. The molecular sieve material incoming material firstly enters the beating tank 1 to be stirred and beaten through a stirring structure, so that the uniformity of the slurry is ensured, and the agglomeration is prevented. The tank body simultaneously receives a small amount of molecular sieve materials generated by primary predrying in the rotary flash drying integrated equipment 3, and the organic amine content in the molecular sieve materials after predrying does not reach the standard, so that the organic amine is returned to the beating tank 1 to be mixed and beaten with raw materials to serve as feeding.
In this embodiment, the apparatus further includes a shear pump 2, an inlet of the shear pump 2 is connected with a discharge pipe orifice of the beating tank 1, and an outlet of the shear pump 2 is connected with a nozzle of the spin flash drying integrated apparatus 3 and a second inlet of the beating tank 1, respectively.
In this embodiment, spin flash drying integration equipment 3 includes casing, nozzle and structure of scattering, and the nozzle all is located the casing with the structure of scattering, and the nozzle is located the top of scattering the structure, and the structure of scattering is the miropowder and breaks up the structure, breaks up the breakage that the structure is used for molecular sieve material, and spin flash drying integration equipment 3 of this embodiment has increased the miropowder on the basis of original structure and has broken up the structure, can further control the particle diameter of material and reduce the material and amazing the material in the bottom. The first outlet, the inlet and the second outlet of the spin flash drying integrated equipment 3 are arranged from top to bottom, the nozzle is positioned between the first outlet and the inlet, the inlet of the spin flash drying integrated equipment 3 is connected with the outlet of the circulating fan 5, the inlet of the spin flash drying integrated equipment 3 is positive pressure, the first outlet and the second outlet of the spin flash drying integrated equipment 3 are connected with the inlet of the circulating fan 5, the first outlet and the second outlet of the spin flash drying integrated equipment 3 are negative pressure, hot nitrogen enters from the inlet of the spin flash drying integrated equipment 3, and the hot nitrogen flows up and down respectively under the action of wind pressure. The spin flash drying integrated equipment 3 can simultaneously realize pre-drying, drying and slurry scattering operation, and meanwhile, hot nitrogen can be split up and down for drying, so that the influence of the dried high-concentration tail gas on the quality of molecular sieve materials is prevented.
In this embodiment, the nitrogen heater 4 may be an electric heater or a heater with indirect heating modes of steam and conduction oil, the heating temperature is controllable and adjustable, and the heated nitrogen gas is used as drying hot air to enter the spin flash drying integrated equipment 3 for directly heating and drying the molecular sieve material.
In this embodiment, the condensing unit further comprises a condensate pump 10, and the condensate pump 10 is disposed at the second outlet of the condenser 9.
In this embodiment, the nitrogen gas heating device further comprises a fan, wherein an inlet of the fan is connected with a gas outlet of the condenser 9, and an outlet of the fan is connected with an inlet of the nitrogen gas heater 4 and the outside.
In the embodiment, an inlet of the product bin 8 is provided with an inlet valve, an outlet of the product bin 8 is provided with an outlet valve, the inlet valve of the product bin 8 is opened during storage, the outlet valve is closed, and after the product is filled, the inlet valve is closed; the product bin 8 is attached with a jacket for cooling, and an outlet valve is opened for discharging after cooling; the wall of the product bin 8 is of a jacket structure, and cooling water is introduced into the jacket structure.
In this embodiment, the first dust collector 6 and the second dust collector 7 are bag-type dust collectors.
In this embodiment, the condenser 9 is any one of shell-and-tube type and fin type.
After hot nitrogen entering the spin flash drying integrated equipment 3 is used as a heating medium to dry materials, carrying the materials, entering the first dust remover 6 and the second dust remover 7 to collect dust, enabling the nitrogen to enter the condenser 9 as tail gas to be condensed, collecting condensed liquid in a condensing tank at the bottom of the condenser 9, pressurizing non-condensable gas (namely nitrogen) through the circulating fan 5, and discharging most of the nitrogen except a small part of nitrogen to a tail gas treatment system, wherein most of the nitrogen is returned to the inlet of the spin flash drying integrated equipment 3 for recycling, so that a nitrogen circulation system is formed. The nitrogen circulation system is isolated from contacting with the external air, and meanwhile, the rapid drying device for the SAPO molecular sieve material keeps a micro negative pressure working state, and the nitrogen is sealed and kept in a positive pressure state, so that the possibility of leakage of the material and the organic amine in the rapid drying device for the SAPO molecular sieve material is avoided.
The rapid drying device for the SAPO molecular sieve material is used for drying the SAPO molecular sieve material, the drying temperature is controlled by the nitrogen heater 4, the functions of predrying, drying and crushing and scattering the molecular sieve material can be realized in one rotary flash drying integrated drying device, the tail gas after drying is divided without mutual influence, the drying effect is good, the product quality is high, and the product quality is superior to that of the original product.
In the embodiment, a spray and spin flash drying equipment technology is adopted, and on the basis of a conventional airflow dryer, the problems of air leakage, material leakage and the like are solved by innovatively modifying a sealing form and a sealing structure of equipment, so that the organic amine is prevented from leaking, and the safe operation of the system is ensured; meanwhile, the optimized design of the structure of the nozzle and the scattering structure forms a special SAPO-34 molecular sieve spin flash drying integrated dryer, so that the product quality of the molecular sieve is improved while the quick drying of the organic amine is realized; the embodiment adopts continuous operation, has low labor intensity, good sealing effect, nitrogen closed circulation, safety and environmental protection, and prevents the leakage of organic amine; meanwhile, a two-stage drying and air flow direct heating mode is adopted, so that the flow is short, the drying is rapid, and the heat efficiency is high.
The embodiment provides a method for drying SAPO molecular sieve materials by adopting a rapid drying device for the SAPO molecular sieve materials, comprising the following steps:
at normal temperature, 8-10% of organic amine (main component triethylamine) is contained in the SAPO-34 molecular sieve material with the solid content of 15-20%, the molecular sieve material is conveyed into a beating tank 1 through a pipeline, and is mixed, stirred and uniformly beaten with the molecular sieve material generated by primary predrying collected by a first dust remover 6, in order to prevent particle block slurry from entering downstream, the material is taken from the side wall of the beating tank 1, enters a downstream shearing pump 2, the molecular sieve material is crushed, homogenized and homogenized in the shearing pump 2, and then is pressurized and beaten into a nozzle of a rotary flash drying integrated device 3;
Step two, molecular sieve materials are uniformly added into the spin flash drying integrated equipment 3 through a nozzle of the spin flash drying integrated equipment 3 to form pressure spray, hot nitrogen heated to about 350 ℃ by a nitrogen heater 4 enters the spin flash drying integrated equipment 3, the molecular sieve materials are directly contacted and dried with the hot nitrogen, the hot nitrogen is divided into an upper part and a lower part, a upward hot nitrogen and the molecular sieve materials sprayed out of the nozzle are reversely dried, as primary pre-drying, the primary pre-drying aims are mainly to remove a large amount of organic amine from the molecular sieve materials into the hot nitrogen, but most of organic amine in the molecular sieve materials after primary pre-drying is dried to be directly contacted with the molecular sieve in the hot nitrogen, the primary pre-drying of the molecular sieve materials is incomplete, tail gas generated by primary drying and the molecular sieve materials enter a first dust remover 6, and the molecular sieve materials collected by the first dust remover 6 are returned to the beating tank 1; carrying out secondary drying on the descending molecular sieve material by using the next strand of hot nitrogen, and simultaneously carrying out scattering and crushing on the molecular sieve material by using a scattering structure of the rotary flash drying integrated equipment 3, wherein tail gas and the molecular sieve material generated after the completion of drying enter the second dust remover 7 from a second outlet of the rotary flash drying integrated equipment 3 along with the hot nitrogen through a first inlet of the second dust remover 7;
Step three, when the molecular sieve material enters the second dust remover 7 along with hot nitrogen, in order to prevent the first dust remover 6 and the second dust remover 7 from being burnt due to the fact that the temperature of the hot nitrogen is too high, cold nitrogen from a nitrogen source is introduced into a first inlet of the first dust remover 6, a second inlet of the first dust remover 6, a first inlet of the second dust remover 7 and a second inlet of the second dust remover 7, the molecular sieve material collected by the second dust remover 7 enters a product bin 8, the molecular sieve material is naturally cooled in the product bin 8 or circulating cooling water is introduced into a jacket structure of the product bin 8 to cool the molecular sieve material, and the cooled molecular sieve material is packaged;
And fourthly, the tail gas after dust removal by the first dust remover 6 and the second dust remover 7 enters a condenser 9, the tail gas is condensed by circulating cooling water, organic amine (main component triethylamine) in the tail gas is condensed and enters a condensation tank at the bottom of the condenser 9, then the condensed tail gas is discharged outside through a condensation pump 10, after being pressurized by a circulating fan 5, a small part of the condensed tail gas is discharged outside to a tail gas treatment system, and most of the condensed tail gas is used as closed circulating nitrogen to be introduced into an inlet of a nitrogen heater 4, and is heated and then recycled.
The drying method of the SAPO molecular sieve material comprises the following operation steps of molecular sieve material beating, spray feeding, predrying, drying, product collection, low-temperature discharging, organic amine recovery, nitrogen closed circulation and the like. According to the embodiment, the SAPO-34 molecular sieve material is subjected to secondary rapid drying in the rotary flash drying integrated equipment 3, the organic amine is evaporated and removed, and the removed organic amine is recovered in a nitrogen circulation system, so that the short-flow rapid drying and closed circulation are realized.
The principles and embodiments of the present utility model have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present utility model and its core ideas; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (8)
1. A quick drying device for SAPO molecular sieve material, its characterized in that: comprises a beating tank, a nitrogen source, rotary flash evaporation drying integrated equipment, a nitrogen heater, a first dust remover, a second dust remover, a product bin and a condenser;
the pulping tank is used for stirring and pulping incoming materials, a discharging pipe orifice of the pulping tank is connected with a nozzle of the rotary flash drying integrated equipment, an outlet of the nitrogen heater is connected with an inlet of the rotary flash drying integrated equipment, a first outlet of the rotary flash drying integrated equipment is connected with a first inlet of the first dust remover, a second outlet of the rotary flash drying integrated equipment is connected with a first inlet of the second dust remover, and a nitrogen source is respectively connected with the first inlet of the first dust remover, the second inlet of the first dust remover, the first inlet of the second dust remover and the second inlet of the second dust remover;
The first outlet of the first dust remover and the first outlet of the second dust remover are connected with the inlet of the condenser, the second outlet of the first dust remover is connected with the first inlet of the pulping tank, the second outlet of the second dust remover is connected with the product bin, the first outlet of the condenser is connected with the inlet of the nitrogen heater, and the second outlet of the condenser is connected with the outside.
2. The rapid drying apparatus for SAPO molecular sieve materials as claimed in claim 1, wherein: the pulping tank comprises a tank body and a stirring structure, wherein the stirring structure is arranged in the tank body, a feed inlet is formed in the top of the tank body, a discharge pipe orifice is formed in the side wall of the tank body, and a slag discharge port is formed in the bottom of the tank body.
3. The rapid drying apparatus for SAPO molecular sieve materials as claimed in claim 1, wherein: the device also comprises a shearing pump, wherein an inlet of the shearing pump is connected with a discharge pipe orifice of the beating tank, and an outlet of the shearing pump is respectively connected with a nozzle of the spin flash drying integrated device and a second inlet of the beating tank.
4. The rapid drying apparatus for SAPO molecular sieve materials as claimed in claim 1, wherein: the rotary flash evaporation and drying integrated device comprises a shell, a nozzle and a scattering structure, wherein the nozzle and the scattering structure are both positioned in the shell, and the nozzle is positioned above the scattering structure.
5. The rapid drying apparatus for SAPO molecular sieve materials as claimed in claim 1, wherein: the condenser also comprises a condensate pump, wherein the condensate pump is arranged at a second outlet of the condenser.
6. The rapid drying apparatus for SAPO molecular sieve materials as claimed in claim 1, wherein: the nitrogen gas heater is characterized by further comprising a fan, wherein an inlet of the fan is connected with a gas outlet of the condenser, and an outlet of the fan is connected with an inlet of the nitrogen gas heater and the outside.
7. The rapid drying apparatus for SAPO molecular sieve materials as claimed in claim 1, wherein: the inlet of the product bin is provided with an inlet valve, the outlet of the product bin is provided with an outlet valve, the bin wall of the product bin is of a jacket structure, and cooling water is introduced into the jacket structure.
8. The rapid drying apparatus for SAPO molecular sieve materials as claimed in claim 1, wherein: the first dust remover and the second dust remover are cloth bag dust removers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322596428.4U CN220878665U (en) | 2023-09-25 | 2023-09-25 | A quick drying device for SAPO molecular sieve material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322596428.4U CN220878665U (en) | 2023-09-25 | 2023-09-25 | A quick drying device for SAPO molecular sieve material |
Publications (1)
| Publication Number | Publication Date |
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| CN220878665U true CN220878665U (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322596428.4U Active CN220878665U (en) | 2023-09-25 | 2023-09-25 | A quick drying device for SAPO molecular sieve material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220878665U (en) |
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2023
- 2023-09-25 CN CN202322596428.4U patent/CN220878665U/en active Active
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