CN110575804A - Y-shaped molecular sieve heating type spiral reactor with stable structure - Google Patents
Y-shaped molecular sieve heating type spiral reactor with stable structure Download PDFInfo
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- CN110575804A CN110575804A CN201810594661.XA CN201810594661A CN110575804A CN 110575804 A CN110575804 A CN 110575804A CN 201810594661 A CN201810594661 A CN 201810594661A CN 110575804 A CN110575804 A CN 110575804A
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- CN
- China
- Prior art keywords
- shell
- conveying
- conveying shafts
- molecular sieve
- temperature measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002808 molecular sieve Substances 0.000 title claims abstract description 16
- 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 16
- 238000010438 heat treatment Methods 0.000 title abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000005485 electric heating Methods 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229910003910 SiCl4 Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- 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
- B01J19/0053—Details of the reactor
-
- 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
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- 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
- B01J19/0053—Details of the reactor
- B01J19/0073—Sealings
-
- 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
- B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
- B01J29/084—Y-type faujasite
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00132—Controlling the temperature using electric heating or cooling elements
- B01J2219/00135—Electric resistance heaters
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to a Y-shaped molecular sieve heating spiral reactor with stable structure, which comprises a shell fixed on a supporting leg, an end seat connected with the shell, two mutually meshed conveying shafts and a transmission system. The upper part of the front section of the shell is provided with a material inlet, a charging opening and a pressure measuring opening, and the material inlet connecting pipe is provided with a feeding temperature measuring opening; the middle section of the shell is circumferentially provided with an electric heating plate and a cylinder wall temperature measuring port, and the upper part of the shell is provided with an access hole; the lower part of the rear section of the shell is provided with a material outlet, and a material outlet connecting pipe is provided with a discharging temperature measuring port; the lower part of the shell is provided with a sampling port; conveying blades are arranged on the feeding section of the conveying shaft in the two conveying shafts, and mixing blades are arranged on the rest parts of the conveying shafts; the conveying blades are meshed with the mixing blades in a staggered manner; one end of the discharging side of the two conveying shafts is connected with a transmission system. The invention not only can fully mix and react materials, but also can ensure self-cleaning of scale and simultaneously achieve the best reaction effect.
Description
Technical Field
The invention relates to the technical field of molecular sieve production, in particular to a Y-shaped molecular sieve heating type spiral reactor with a stable structure.
Background
The Y-type molecular sieve is the main active component of industrial catalytic cracking (FCC) catalyst. The blades and the shaft of the spiral reactor for producing the molecular sieve by adopting the vapor phase method to remove aluminum and supplement silicon are easy to scale, the reaction is unstable, and the product quality and the reaction temperature fluctuation are large.
Disclosure of Invention
The invention aims to solve the technical problem of providing a Y-shaped molecular sieve heating spiral reactor with stable structure, which realizes uniform and stable reaction and long-period operation.
In order to solve the problems, the invention provides a Y-type molecular sieve heating spiral reactor with stable structure, which is characterized in that: the reactor comprises a shell fixed on a supporting leg, an end seat connected with the shell, two mutually meshed conveying shafts and a transmission system; the upper part of the front section of the shell is provided with a material inlet, a feeding port and a pressure measuring port, and the material inlet connecting pipe is provided with a feeding temperature measuring port; the middle section of the shell is circumferentially provided with an electric heating plate and a cylinder wall temperature measuring port, and the upper part of the shell is provided with an access hole; the lower part of the rear section of the shell is provided with a material outlet, and a material outlet connecting pipe is provided with a discharging temperature measuring port; the lower part of the shell is provided with a sampling port; conveying blades are arranged on the feeding section of the conveying shaft in the two conveying shafts, and mixing blades are arranged on the rest parts of the conveying shafts; the conveying blades are meshed with the mixing blades in a staggered manner; one end of the discharge side of each of the two conveying shafts is connected with the transmission system.
The two ends of the shell are respectively connected with the end seat, and the end seat is connected with a bearing seat and a sealing structure.
The sealing structure is a mechanical seal or a packing seal.
Two conveying shafts are arranged in the end seat and the shell and penetrate through the sealing structure and are fixed on the bearing seat.
The two conveying shafts are connected with a variable frequency motor in the transmission system, and the conveying shafts are meshed and rotated through a pair of gears fixed on the two conveying shafts.
Compared with the prior art, the invention has the following advantages:
1. The self-cleaning of the heating type spiral reactor conveying shaft scale is realized, the mixing efficiency is high, and the reaction is stable.
The conveying shaft is provided with a conveying blade and a mixing blade which respectively play a conveying role and a mixing role. The two conveying shafts are meshed with each other, blades on the shafts are meshed with each other in a staggered mode, and the blades meshed with each other in the staggered mode can effectively clean scales on the conveying shafts. The variable frequency motor realizes the material mixing effect by adjusting the rotating speed of the conveying shaft; the self-cleaning and mixing effects of the scale on the conveying shaft are improved, and the defects of unstable reaction and large product quality fluctuation of the spiral reactor are overcome.
2. The reaction temperature is easy to control and the fluctuation is small.
The shell of the invention is circumferentially provided with an electric heating plate, a cylinder wall temperature measuring port and a sampling port at the lower part. The temperature measurement of the outer side cylinder wall of the shell is used for adjusting the grouped electric heating sheets to control the reaction temperature of different positions in the shell, so that the optimal reaction effect is achieved.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of the transmission system of the present invention.
In the figure: 1-a transmission system; 2, a bearing seat; 3, sealing structure; 4-end seat; 5, a shell; 6, supporting legs; 7-inspection holes; 8-an electric heating plate; 9-pressure measuring port; 10-a feed inlet; 11-material inlet; 12-a delivery shaft; 13-a conveying blade; 14-mixing blades; 15-a sampling port; 16-material outlet; 17-a discharging temperature measuring port; 18-a cylinder wall temperature measuring port; 19-feeding temperature measuring port.
Detailed Description
As shown in figures 1 and 2, the Y-shaped molecular sieve heating spiral reactor with stable structure comprises a shell 5 fixed on a supporting leg 6, an end seat 4 connected with the shell 5, two mutually meshed conveying shafts 12 and a transmission system 1.
The upper part of the front section of the shell 5 is provided with a material inlet 11, a feeding port 10 and a pressure measuring port 9, and a feeding temperature measuring port 19 is arranged on a connecting pipe of the material inlet 11; the middle section of the shell 5 is circumferentially provided with an electric heating plate 8 and a cylinder wall temperature measuring port 18, and the upper part of the shell is provided with an access hole 7; a material outlet 16 is arranged at the lower part of the rear section of the shell 5, and a discharge temperature measuring port 17 is arranged on a connecting pipe of the material outlet 16; the lower part of the shell 5 is provided with a sampling port 15; the feeding section of the conveying shaft of the two conveying shafts 12 is provided with a conveying blade 13, and the rest part of the conveying shaft is provided with a mixing blade 14; the conveying blades 13 are meshed with the mixing blades 14 in a staggered manner; one end of the discharging side of the two conveying shafts 12 is connected with a transmission system 1.
Wherein: the two ends of the shell 5 are respectively connected with an end seat 4, and the end seat 4 is connected with a bearing seat 2 and a sealing structure 3.
the sealing structure 3 is referred to as a mechanical seal or a packing seal.
Two conveying shafts 12 are arranged in the end seat 4 and the shell 5, and the two conveying shafts 12 penetrate through the sealing structure 3 and are fixed on the bearing seat 2.
The two conveying shafts 12 are connected with a variable frequency motor in the transmission system 1, and the conveying shafts 12 are meshed and rotated through a pair of gears fixed on the two conveying shafts 12.
When the device works, the roasted molecular sieve enters the spiral reactor from the material inlet 11, the conveying shaft 12 rotates to ensure that the conveying blades 13 convey the material to a reaction zone, and simultaneously heated SiCl is introduced from the feed inlet 104Gas, at which time mixing blades 14 on delivery shaft 12 thoroughly mix the material and with SiCl4The gas reacts, the materials move to the discharge hole under the pushing of the conveying shaft 12, and simultaneously the reactions are continuously carried out, and after the reactions are finished, the conveying shaft 12 conveys the materials to the next-stage equipment from the material outlet 16.
Claims (5)
1. The utility model provides a stable in structure Y type molecular sieve adds hot type spiral reactor which characterized in that: the reactor comprises a shell (5) fixed on a supporting leg (6), an end seat (4) connected with the shell (5), two mutually meshed conveying shafts (12) and a transmission system (1); the upper part of the front section of the shell (5) is provided with a material inlet (11), a feeding port (10) and a pressure measuring port (9), and a feeding temperature measuring port (19) is arranged on a connecting pipe of the material inlet (11); the middle section of the shell (5) is circumferentially provided with an electric heating sheet (8) and a cylinder wall temperature measuring port (18), and the upper part of the shell is provided with an access hole (7); a material outlet (16) is arranged at the lower part of the rear section of the shell (5), and a discharge temperature measuring port (17) is arranged on a connecting pipe of the material outlet (16); a sampling port (15) is arranged at the lower part of the shell (5); a conveying blade (13) is arranged on a conveying shaft feeding section of the two conveying shafts (12), and a mixing blade (14) is arranged on the rest part of the conveying shaft; the conveying blades (13) are meshed with the mixing blades (14) in a staggered manner; one end of the discharging side of each of the two conveying shafts (12) is connected with the transmission system (1).
2. A structurally stable Y-type molecular sieve heated screw reactor as claimed in claim 1 wherein: the two ends of the shell (5) are respectively connected with the end seat (4), and the end seat (4) is connected with the bearing seat (2) and the sealing structure (3).
3. A structurally stable Y-type molecular sieve heated screw reactor as claimed in claim 2 wherein: the sealing structure (3) is a mechanical seal or a packing seal.
4. A structurally stable Y-type molecular sieve heated screw reactor as claimed in claim 2 wherein: two conveying shafts (12) are arranged in the end seat (4) and the shell (5), and the two conveying shafts (12) penetrate through the sealing structure (3) and are fixed on the bearing seat (2).
5. A structurally stable Y-type molecular sieve heated screw reactor as claimed in claim 1 wherein: the two conveying shafts (12) are connected with a variable frequency motor in the transmission system (1), and the conveying shafts (12) are meshed and rotated through a pair of gears fixed on the two conveying shafts (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810594661.XA CN110575804A (en) | 2018-06-11 | 2018-06-11 | Y-shaped molecular sieve heating type spiral reactor with stable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810594661.XA CN110575804A (en) | 2018-06-11 | 2018-06-11 | Y-shaped molecular sieve heating type spiral reactor with stable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110575804A true CN110575804A (en) | 2019-12-17 |
Family
ID=68809664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810594661.XA Pending CN110575804A (en) | 2018-06-11 | 2018-06-11 | Y-shaped molecular sieve heating type spiral reactor with stable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110575804A (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049627A (en) * | 1990-08-15 | 1991-03-06 | 化工部成都有机硅应用研究技术服务中心 | Reactor with two shafts for mixing |
| DE10246639A1 (en) * | 2002-10-07 | 2004-04-22 | SEGLER-Förderanlagen Maschinenfabrik GmbH | Multi-purpose mixer assembly for granular solids and liquids has two shafts driving ingredients in opposite directions for chemical, environmental and food processing |
| CN201306911Y (en) * | 2008-12-06 | 2009-09-09 | 兰州瑞德干燥技术有限公司 | Polyvinyl alcohol disc type oar blade drier |
| CN102019163A (en) * | 2009-09-17 | 2011-04-20 | 中国纺织科学研究院 | Continuous homogenizing mixing reactor |
| CN202270524U (en) * | 2011-10-09 | 2012-06-13 | 中国石油化工股份有限公司 | Reactor rotor capable of realizing plug flow of melt material |
| CN202270523U (en) * | 2011-10-09 | 2012-06-13 | 中国石油化工股份有限公司 | Double-shaft self-cleaning reactor |
| CN203530187U (en) * | 2013-08-23 | 2014-04-09 | 河北科技大学 | Glycosidation reactor for continuously synthesizing alkyl glycoside by one-step method |
| CN103771442A (en) * | 2012-10-19 | 2014-05-07 | 中国石油化工股份有限公司 | Y-type molecular sieve modification method and catalytic cracking catalyst preparation method |
| CN103787352A (en) * | 2012-10-26 | 2014-05-14 | 中国石油化工股份有限公司 | Method for preparing molecular sieve |
| CN204297552U (en) * | 2014-10-31 | 2015-04-29 | 天津市欣德泰铁粉有限公司 | Material stirring transmits integrated device |
| CN104861995A (en) * | 2015-04-29 | 2015-08-26 | 农业部规划设计研究院 | Variable cascade temperature regulation biomass charring device |
| CN204933321U (en) * | 2015-09-24 | 2016-01-06 | 东莞市中金环保科技有限公司 | A kind of agitating device produced for flocculant |
| CN205683862U (en) * | 2016-06-22 | 2016-11-16 | 扬州一洋制药有限公司 | A kind of temperature control homogenizer |
| CN205868059U (en) * | 2016-07-05 | 2017-01-11 | 洛阳凯正环保工艺设备有限公司 | High viscosity material mixing arrangement |
| CN106621900A (en) * | 2017-01-10 | 2017-05-10 | 浙江大学 | Self-cleaning stirring type rotating shaft with engaging blades for sludge drying machine |
| CN106672980A (en) * | 2015-11-06 | 2017-05-17 | 岳阳高圭新材料有限公司 | Reactor with spiral conveying and method for continuous production of magnesium silicide with low impurity |
| CN207342659U (en) * | 2017-08-03 | 2018-05-11 | 海南梵思科技有限公司 | A kind of energy-efficient composite fertilizer's agitating device |
| CN208612441U (en) * | 2018-06-11 | 2019-03-19 | 中国石油化工股份有限公司 | A kind of stable structure Y type molecular sieve heated type helical reactors |
-
2018
- 2018-06-11 CN CN201810594661.XA patent/CN110575804A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049627A (en) * | 1990-08-15 | 1991-03-06 | 化工部成都有机硅应用研究技术服务中心 | Reactor with two shafts for mixing |
| DE10246639A1 (en) * | 2002-10-07 | 2004-04-22 | SEGLER-Förderanlagen Maschinenfabrik GmbH | Multi-purpose mixer assembly for granular solids and liquids has two shafts driving ingredients in opposite directions for chemical, environmental and food processing |
| CN201306911Y (en) * | 2008-12-06 | 2009-09-09 | 兰州瑞德干燥技术有限公司 | Polyvinyl alcohol disc type oar blade drier |
| CN102019163A (en) * | 2009-09-17 | 2011-04-20 | 中国纺织科学研究院 | Continuous homogenizing mixing reactor |
| CN202270524U (en) * | 2011-10-09 | 2012-06-13 | 中国石油化工股份有限公司 | Reactor rotor capable of realizing plug flow of melt material |
| CN202270523U (en) * | 2011-10-09 | 2012-06-13 | 中国石油化工股份有限公司 | Double-shaft self-cleaning reactor |
| CN103771442A (en) * | 2012-10-19 | 2014-05-07 | 中国石油化工股份有限公司 | Y-type molecular sieve modification method and catalytic cracking catalyst preparation method |
| CN103787352A (en) * | 2012-10-26 | 2014-05-14 | 中国石油化工股份有限公司 | Method for preparing molecular sieve |
| CN203530187U (en) * | 2013-08-23 | 2014-04-09 | 河北科技大学 | Glycosidation reactor for continuously synthesizing alkyl glycoside by one-step method |
| CN204297552U (en) * | 2014-10-31 | 2015-04-29 | 天津市欣德泰铁粉有限公司 | Material stirring transmits integrated device |
| CN104861995A (en) * | 2015-04-29 | 2015-08-26 | 农业部规划设计研究院 | Variable cascade temperature regulation biomass charring device |
| CN204933321U (en) * | 2015-09-24 | 2016-01-06 | 东莞市中金环保科技有限公司 | A kind of agitating device produced for flocculant |
| CN106672980A (en) * | 2015-11-06 | 2017-05-17 | 岳阳高圭新材料有限公司 | Reactor with spiral conveying and method for continuous production of magnesium silicide with low impurity |
| CN205683862U (en) * | 2016-06-22 | 2016-11-16 | 扬州一洋制药有限公司 | A kind of temperature control homogenizer |
| CN205868059U (en) * | 2016-07-05 | 2017-01-11 | 洛阳凯正环保工艺设备有限公司 | High viscosity material mixing arrangement |
| CN106621900A (en) * | 2017-01-10 | 2017-05-10 | 浙江大学 | Self-cleaning stirring type rotating shaft with engaging blades for sludge drying machine |
| CN207342659U (en) * | 2017-08-03 | 2018-05-11 | 海南梵思科技有限公司 | A kind of energy-efficient composite fertilizer's agitating device |
| CN208612441U (en) * | 2018-06-11 | 2019-03-19 | 中国石油化工股份有限公司 | A kind of stable structure Y type molecular sieve heated type helical reactors |
Non-Patent Citations (1)
| Title |
|---|
| 兰州化学工业公司设计院，邵国华: "超高压容器设计", 31 August 1984, 上海：上海科学技术出版社, pages: 270 - 272 * |
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