CN102513162A - Catalyst web nest support protective agent and manufacturing method thereof - Google Patents
Catalyst web nest support protective agent and manufacturing method thereof Download PDFInfo
- Publication number
- CN102513162A CN102513162A CN2011103292050A CN201110329205A CN102513162A CN 102513162 A CN102513162 A CN 102513162A CN 2011103292050 A CN2011103292050 A CN 2011103292050A CN 201110329205 A CN201110329205 A CN 201110329205A CN 102513162 A CN102513162 A CN 102513162A
- Authority
- CN
- China
- Prior art keywords
- protective agent
- support protective
- nest
- catalyst gauze
- mesh
- 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.)
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Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 36
- 239000003223 protective agent Substances 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 9
- 239000011707 mineral Substances 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 7
- 230000000704 physical effect Effects 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 239000000843 powder Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 13
- 239000005995 Aluminium silicate Substances 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- 235000012211 aluminium silicate Nutrition 0.000 claims description 8
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 8
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052863 mullite Inorganic materials 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 7
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 5
- 235000015895 biscuits Nutrition 0.000 claims description 5
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 5
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 5
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 claims description 5
- 230000001404 mediated effect Effects 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 238000007670 refining Methods 0.000 abstract description 2
- 238000005245 sintering Methods 0.000 abstract 1
- 239000011800 void material Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- Catalysts (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a catalyst web nest support protective agent for supporting and protecting various fixed bed catalysts used in the fields of oil refining, chemical industry, gas treatment and environmental protection, etc. The catalyst web nest support protective agent having a structural shape of tooth cylinder (2) which is besprinkled with straight-through meshes (1) is manufactured by using nonmetallic minerals as raw materials, carrying out technologically proportioning, crushing, and mud making, carrying out extrusion molding through a mold in a hydraulic press, drying, and then sintering at the temperature of 1350-1650 DEG C. The catalyst web nest support protective agent has the following physical properties that the bulk density is 600-1000kg/m<3>, the specific surface areas respectively are 500-1600 m<2>/m<3> according to the mesh aperture sizes, the void fraction is 70-80 %, the compressive strength is no less than 400 N per particle, and the heat resistance temperature is no less than 1200 DEG C. The catalyst web nest support protective agent has huge specific surface area and voids fraction, extremely high mass transfer, and low pressure drop of bed, and can greatly raise the utilization efficiency of the catalyst and devices.
Description
Technical field
The present invention relates to a kind of catalyst gauze nest support protective agent and preparation method thereof, the various catalytic reactors that be used to refine oil, industries such as chemical industry, gas treatment and environmental protection used belong to the protection and the support product field of fixed bde catalyst in the solid catalyst product.
Background technology
At present, the shape at the existing catalyst support protective agent of industries such as oil refining, chemical industry, gas treatment and environmental protection has sphere, Raschig ring, hollow impeller, porous ball, porous circular cylinder, honeycomb cylinder and rectangular cylinder etc.Their major defect is 1) specific area is little, and gas-liquid mass transfer efficient is low; 2) voidage is low, and bed resistance is big; 3) the vapor-liquid separation cut point is few, convection cell dispersed low.Above-mentioned shortcoming has greatly influenced the service efficiency of catalyst and device.
Summary of the invention
For overcoming the defective of prior art, the invention provides a kind of catalyst gauze nest support protective agent and preparation method thereof.Can realize improving the specific area and the voidage of proppant; Reduce bed pressure drop, increase the vapor-liquid separation cut point; Improve the dispersiveness of fluid; And can adsorb the dirt that produces in the impurity particle of catching in the material and the equipment such as heat exchanger and heating furnace, thereby the service efficiency of raising catalyst and device.
For reaching said purpose, technical scheme of the present invention is:
A kind of catalyst gauze nest support protective agent is characterized in that: the planform of catalyst gauze nest support protective agent is to have the profile of tooth cylinder that is covered with straight-through mesh; Physical property is: bulk density 600～1000kg/m
3, specific area is respectively 500～1600m according to the mesh aperture size
2/ m
3, voidage is 70～80%, compression strength>=400N/, and heat resisting temperature>=1200 ℃; Catalyst gauze nest support protective agent adopts the nonmetallic ore raw material, through technical recipe, pulverizing, system mud, in hydraulic press after mould extrusion molding, drying specially, under 1350～1650 ℃ of high temperature, burnt till in 2～3 hours.
The manufacturing approach of catalyst gauze nest support protective agent is characterized in that:
(1), by weight proportion with raw mineral materials: alumina powder 5～90%, mullite powder 2～15%, kaolin 5～90% prepares;
(2), add the carboxymethyl cellulose binder of compound weight 3～5%, through ball mill mixing 15～20 hours, be crushed to 250 mesh sieves; Add lubricant; Releasing agent is mediated in kneader with water and was become pug in 1～3 hour, at indoor old 3～7 days of 20～30 ℃ of temperature, relative humidity 50～90%, puts into vacuum deairing machine and outgases after the pugging; Put into hydraulic press through special mould extrusion molding, processing planform is to have the profile of tooth cylinder base substrate that is covered with straight-through mesh;
(3), profile of tooth cylinder base substrate was put 1～2 day at indoor the moon of 20～30 ℃ of temperature, relative humidity 50～90% earlier,, temperature is dried to moisture in being 150～200 ℃ drying room again less than 5%;
(4), repaired biscuit, place kiln at last, under 1350～1650 ℃ of high temperature, burnt till in 2～3 hours.
The invention has the beneficial effects as follows: the catalyst gauze nest support protective agent that adopts unique formula and technology to process, have huge specific area and voidage, mass-transfer efficiency is high; Bed pressure drop is little; It is little that heap is filled out proportion, and unique net nest structure makes that the gas-liquid separation cut point is many; And can the adsorption filtration material and process equipment in the dirt and the impurity particle that produce, can greatly improve the service efficiency of catalyst and device.
Description of drawings
Fig. 1 shows the plan structure sketch map of catalyst gauze nest support protective agent;
Fig. 2 shows the partial cutaway plan structure sketch map of catalyst gauze nest support protective agent;
Among the figure, 1, mesh, 2, the profile of tooth cylinder.
The specific embodiment formula
Below provide three different al
2O
3The embodiment of content and mesh aperture has explained catalyst gauze nest support protective agent and corresponding physical property by the foregoing invention preparation respectively.
Embodiment one: the chemical composition by material prescription is: Al
2O
330%, SiO
265%, CaO+MgO1～5%, K
2O+Na
2O1～6%, Fe
2O
3≤1%, with raw mineral materials alumina powder 5%, mullite powder 5%; Kaolin 90% prepares by weight proportion, adds the carboxymethyl cellulose binder of compound weight 3%; Through ball mill mixing 15～16 hours, be crushed to 250 mesh sieves, add lubricant; Releasing agent is mediated in kneader with water and was become pug in 2～3 hours, at indoor old 6～7 days of 20～30 ℃ of temperature, relative humidity 50～90%, puts into vacuum deairing machine and outgases after the pugging; Put into hydraulic press through special mould extrusion molding, process diameter and be 10mm, highly be that delthyrium, aperture are the profile of tooth post base substrate 2 of 1.3mm for 10mm, mesh 1.Formed body was put 1～2 day at indoor the moon of 20～30 ℃ of temperature, relative humidity 50～90% earlier, in temperature is 150～200 ℃ drying room, be dried to moisture less than 5% again, back repaired biscuit places kiln at last, under 1350 ℃ of high temperature, burns till in 2～3 hours.
The bulk density of product is 810kg/m
3, specific area is 1600m
2/ m
3, voidage is 72%, compression strength 420N/, and 1300 ℃ of heat resisting temperatures.
Embodiment two: the chemical composition by material prescription is: Al
2O
395%, SiO
21%, CaO+MgO1～5%, K
2O+Na
2O1～6%, Fe
2O
3≤1%, with raw mineral materials alumina powder 90%, mullite powder 5%, kaolin 5%; Prepare by weight proportion, add the carboxymethyl cellulose binder of compound weight 5%,, be crushed to 250 mesh sieves through ball mill mixing 18～20 hours; Add lubricant, releasing agent was mediated in kneader with water and was become pug in 2～3 hours, 20～30 ℃ of temperature, relative humidity 50～90% indoor old 3～5 days; Put into vacuum deairing machine and outgas after the pugging, put into hydraulic press through special mould extrusion molding, processing diameter is 100mm; Highly be 100mm, mesh 1 is a hexagonal hole, and the aperture is the profile of tooth post base substrate 2 of 3.0mm.Formed body was put 1～2 day at indoor the moon of 20～30 ℃ of temperature, relative humidity 50～90% earlier, in temperature is 150～200 ℃ drying room, be dried to moisture less than 5% again, back repaired biscuit places kiln at last, under 1650 ℃ of high temperature, burns till in 2～3 hours.
The bulk density of product is 780kg/m
3, specific area is 850m
2/ m
3, voidage is 80%, compression strength 480N/, and 1600 ℃ of heat resisting temperatures.
Embodiment three: the chemical composition by material prescription is: Al
2O
370%, SiO
225%, CaO+MgO1～5%, K
2O+Na
2O1～6%, Fe
2O
3≤1%, with raw mineral materials alumina powder 50%, mullite powder 15%, kaolin 35%; Prepare by weight proportion, add the carboxymethyl cellulose binder of compound weight 4%,, be crushed to 250 mesh sieves through ball mill mixing 16～18 hours; Add lubricant, releasing agent was mediated in kneader with water and was become pug in 1～3 hour, 20～30 ℃ of temperature, relative humidity 50～90% indoor old 5～6 days; Put into vacuum deairing machine and outgas after the pugging, put into hydraulic press through special mould extrusion molding, processing diameter is 50mm; Highly be 50mm, mesh 1 is a diamond hole, and the aperture is the profile of tooth post base substrate 2 of 1.5mm.Formed body was put 1～2 day at indoor the moon of 20～30 ℃ of temperature, relative humidity 50～90% earlier, in temperature is 150～200 ℃ drying room, be dried to moisture less than 5% again, back repaired biscuit places kiln at last, under 1550 ℃ of high temperature, burns till in 2～3 hours.
The bulk density of product is 760kg/m
3, specific area is 1480m
2/ m
3, voidage is 76%, compression strength 450N/, and 1500 ℃ of heat resisting temperatures.
Claims (10)
1. catalyst gauze nest support protective agent is characterized in that: the planform of catalyst gauze nest support protective agent is to have the profile of tooth cylinder that is covered with straight-through mesh; Physical property is: bulk density 600～1000kg/m
3, specific area is respectively 500～1600m according to the mesh aperture size
2/ m
3, voidage is 70～80%, compression strength>=400N/, and heat resisting temperature>=1200 ℃; Catalyst gauze nest support protective agent adopts the nonmetallic ore raw material, through technical recipe, pulverizing, system mud, in hydraulic press after mould extrusion molding, drying specially, under 1350～1650 ℃ of high temperature, burnt till in 2～3 hours.
2. according to the said catalyst gauze nest of claim 1 support protective agent, it is characterized in that: the hole shape of mesh is delthyrium, hexagonal hole, circular hole or diamond hole.
3. according to the said catalyst gauze nest of claim 1-2 support protective agent, it is characterized in that: the diameter of profile of tooth cylinder is 10～100mm, highly is 10～50mm; The aperture of mesh is 1～3mm.
4. according to the said catalyst gauze nest of claim 1-3 support protective agent, it is characterized in that: the chemical composition of catalyst gauze nest support protective agent according to weight ratio is: Al
2O
330～95%, SiO
21～65%, CaO+MgO1～5%, K
2O+Na
2O1～6%, Fe
2O
3≤1%.
5. according to the described catalyst gauze nest of claim 1-4 support protective agent, it is characterized in that: the percentage by weight that the raw mineral materials of employing is formed is: alumina powder 5～90%, mullite powder 2～15%, kaolin 5～90%.
6. according to the described catalyst gauze nest of claim 1-5 support protective agent, it is characterized in that: the percentage by weight that the raw mineral materials of employing is formed is: alumina powder 50%, mullite powder 15%, kaolin 35%.
7. according to the manufacturing approach of the described catalyst gauze nest of claim 1-6 support protective agent, it is characterized in that:
(1), by weight proportion with raw mineral materials: alumina powder 5～90%, mullite powder 2～15%, kaolin 5～90% prepares;
(2), add the carboxymethyl cellulose binder of compound weight 3～5%, through ball mill mixing 15～20 hours, be crushed to 250 mesh sieves; Add lubricant; Releasing agent is mediated in kneader with water and was become pug in 1～3 hour, at indoor old 3～7 days of 20～30 ℃ of temperature, relative humidity 50～90%, puts into vacuum deairing machine and outgases after the pugging; Put into hydraulic press through special mould extrusion molding, processing planform is to have the profile of tooth cylinder base substrate that is covered with straight-through mesh;
(3), profile of tooth cylinder base substrate was put 1～2 day at indoor the moon of 20～30 ℃ of temperature, relative humidity 50～90% earlier,, temperature is dried to moisture in being 150～200 ℃ drying room again less than 5%;
(4), repaired biscuit, place kiln at last, under 1350～1650 ℃ of high temperature, burnt till in 2～3 hours.
8. the manufacturing approach of catalyst gauze nest support protective agent according to claim 7 is characterized in that: the hole shape of mesh is delthyrium, hexagonal hole, circular hole or diamond hole.
9. according to the manufacturing approach of the described catalyst gauze nest of claim 7-8 support protective agent, it is characterized in that: the diameter of profile of tooth cylinder is 10～100mm, highly is 10～50mm; The aperture of mesh is 1～3mm.
10. according to the manufacturing approach of the described catalyst gauze nest of claim 7-9 support protective agent, it is characterized in that: the percentage by weight that the raw mineral materials of employing is formed is: alumina powder 50%, mullite powder 15%, kaolin 35%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110329205.0A CN102513162B (en) | 2011-10-26 | 2011-10-26 | Catalyst web nest support protective agent and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110329205.0A CN102513162B (en) | 2011-10-26 | 2011-10-26 | Catalyst web nest support protective agent and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102513162A true CN102513162A (en) | 2012-06-27 |
| CN102513162B CN102513162B (en) | 2014-01-22 |
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|---|---|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492503A (en) * | 2014-12-25 | 2015-04-08 | 萍乡市中天化工填料有限公司 | Spherical honeycomb support protecting agent of catalyst and preparation method of spherical honeycomb support protecting agent |
| CN104888864A (en) * | 2015-04-30 | 2015-09-09 | 江西应陶康顺实业有限公司 | Honeycomb nest hydrogenation protecting agent |
| CN106747350A (en) * | 2016-12-02 | 2017-05-31 | 岳阳中科特种陶瓷科技有限公司 | A kind of manufacture method of ceramic honey comb support protective agent |
| CN107159084A (en) * | 2017-05-23 | 2017-09-15 | 安徽工业大学 | A kind of filler core body and from uniform structured packing and its application |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518743A (en) * | 2008-03-27 | 2009-09-02 | 萍乡市石化填料有限责任公司 | Porous spherical support protective agent |
-
2011
- 2011-10-26 CN CN201110329205.0A patent/CN102513162B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518743A (en) * | 2008-03-27 | 2009-09-02 | 萍乡市石化填料有限责任公司 | Porous spherical support protective agent |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492503A (en) * | 2014-12-25 | 2015-04-08 | 萍乡市中天化工填料有限公司 | Spherical honeycomb support protecting agent of catalyst and preparation method of spherical honeycomb support protecting agent |
| CN104888864A (en) * | 2015-04-30 | 2015-09-09 | 江西应陶康顺实业有限公司 | Honeycomb nest hydrogenation protecting agent |
| CN106747350A (en) * | 2016-12-02 | 2017-05-31 | 岳阳中科特种陶瓷科技有限公司 | A kind of manufacture method of ceramic honey comb support protective agent |
| CN106747350B (en) * | 2016-12-02 | 2019-10-25 | 岳阳中科特种陶瓷科技有限公司 | A kind of manufacturing method of ceramic honey comb support protective agent |
| CN107159084A (en) * | 2017-05-23 | 2017-09-15 | 安徽工业大学 | A kind of filler core body and from uniform structured packing and its application |
| CN107159084B (en) * | 2017-05-23 | 2019-07-16 | 安徽工业大学 | A kind of filler core and from being evenly distributed with structured packing and its application |
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| Publication number | Publication date |
|---|---|
| CN102513162B (en) | 2014-01-22 |
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Effective date of registration: 20190404 Address after: 337000 Shili Village, Anyuan Town, Pingxiang City, Jiangxi Province Patentee after: Pingxiang Zhongtian Chemical Filler Co., Ltd. Address before: 337000 Pingxiang Anyuan New Industrial Park Pingxiang Zhongtian Chemical Filling Co., Ltd. Patentee before: Wu Shuqi |