CN203737230U - Pneumatic/hydraulic stirring composite corrosion-prevention wear-resisting high-temperature-resisting reaction kettle - Google Patents
Pneumatic/hydraulic stirring composite corrosion-prevention wear-resisting high-temperature-resisting reaction kettle Download PDFInfo
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- CN203737230U CN203737230U CN201420075684.7U CN201420075684U CN203737230U CN 203737230 U CN203737230 U CN 203737230U CN 201420075684 U CN201420075684 U CN 201420075684U CN 203737230 U CN203737230 U CN 203737230U
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- resistant
- acid
- wear
- temperature
- resisting
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- 238000003756 stirring Methods 0.000 title claims abstract description 39
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 16
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 238000005536 corrosion prevention Methods 0.000 title abstract 4
- 239000002253 acid Substances 0.000 claims abstract description 43
- 239000010410 layer Substances 0.000 claims abstract description 23
- 239000011241 protective layer Substances 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 15
- 239000007921 spray Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000005260 corrosion Methods 0.000 claims description 40
- 239000011810 insulating material Substances 0.000 claims description 10
- 239000003566 sealing material Substances 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 8
- 240000007643 Phytolacca americana Species 0.000 claims description 7
- 239000004927 clay Substances 0.000 claims description 3
- 230000008520 organization Effects 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 26
- 229910010271 silicon carbide Inorganic materials 0.000 abstract description 11
- 238000009413 insulation Methods 0.000 abstract description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000004809 Teflon Substances 0.000 abstract description 2
- 229920006362 Teflon® Polymers 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 17
- 239000004810 polytetrafluoroethylene Substances 0.000 description 17
- 230000007797 corrosion Effects 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- -1 polytetrafluoroethylene Polymers 0.000 description 8
- 238000013019 agitation Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- 230000003628 erosive effect Effects 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NICDRCVJGXLKSF-UHFFFAOYSA-N nitric acid;trihydrochloride Chemical compound Cl.Cl.Cl.O[N+]([O-])=O NICDRCVJGXLKSF-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a pneumatic/hydraulic stirring composite corrosion-prevention wear-resisting high-temperature-resisting reaction kettle. The pneumatic/hydraulic stirring composite corrosion-prevention wear-resisting high-temperature-resisting reaction kettle provided by the utility model is structurally compounded of four layers including a steel shell, a corrosion-prevention protective layer (a lead lining, a Teflon lining and the like), a heat insulation sealing layer and a high-temperature wear-resisting nonmetal lining (such as a silicon carbide lining); the reaction kettle is provided with at least one cylindrical stirring spray nozzle, and a group of spray caps having the horizontal spraying angle of 0-90 degrees and respectively matched with the stirring spray nozzle. According to the utility model, the service life of the reaction kettle is prolonged greatly under the working conditions of high-concentration strong acid media, high temperature and high pressure; and materials in the reaction kettle are stirred efficiently.
Description
Technical field
The utility model belongs to the equipment technical field of the industries such as metallurgy, chemical industry.
Background technology
At reactor metallurgical, that chemical industry is used, all require anticorrosion antiwear heatproof.For physical and chemical reaction in still is efficiently carried out, carry out mechanical agitation more.Anti-corrosion mode has special material anticorrosion, as special stainless steel; There is inner lining protection layer anticorrosion, as lining teflon, lining rubber etc.But exceed 30% when strong acid concentration, medium temperature exceedes 150 degree, or while there is strong negative pressure in still, above-mentioned anticorrosion and agitating mode is all inoperative.Under the harsh working conditions such as high concentration strong acid and HTHP, depend on the life-span of its anticorrosive coat the service life of reactor, once anticorrosive coat damages, shell also damages immediately.The operating efficiency of reactor also depends on solid granulates and liquid medium mixing uniformity, and under the working condition of HTHP strong acid corrosion, mechanical agitator is short service life, and use cost is high.
At present, the strong acid that exceedes 20 ﹪ is pressed under negative condition in 3 kilograms of malleations or 10Pa, if reactor also will bear the strong erosive wear of material, in the time that reaction temperature exceedes 100 ° of C, the anticorrosion antiwear problem of reactor almost cannot solve, and is mainly that service life is too short.Some materials corrode at 100 ° of above ability strong acid of C, as PTFE, but the wearing and tearing of unable to bearing, the strong negative pressure of also unable to bearing, can not be used for a long time.Along with development metallurgical, chemical science and technology, its physical and chemical reaction of many manufacturing technique requirents carries out under high temperature, high pressure, high concentration strong acid media.This just requires high temperature resistant, the high pressure of corresponding reactor energy, and can be in resisting high-concentration strong acid corrosion under high-temperature and high-pressure conditions and material wearing and tearing.Meanwhile, also requirement can carry out fully material in still, without dead angle, evenly effectively stir, to ensure that in still, physical and chemical reaction can efficiently carry out.But at present,, existing reactor does not also have technological means to make can effectively stir in its still.
utility model content:
The purpose of this utility model is just for defect that above-mentioned prior art exists and not enough and provide one can realize in still that operating mode is high temperature resistant, high pressure, (concentration is more than 20% example hydrochloric acid, sulfuric acid, nitric acid to high concentration strong acid is provided, and composition thereof, as chloroazotic acid etc.) use for a long time under medium, and gas or the fluid power that can carry out low-cost high-efficiency stirring to material in still stir composite anti-corrosive Wear-resistant, high-temperature resistant reactor.
The purpose of this utility model is achieved by the following technical solution.
A kind of gas or fluid power stir composite anti-corrosive Wear-resistant, high-temperature resistant reactor, comprise shell, cylindrical shell, upper cover, go to the bottom, and still interior reaction temperature is less than 800 DEG C, and pressure is no more than 6MPa; The utility model feature is: have one deck acid-resistant anti-corrosion protective layer at the inner lining of casing of steel; Be lined with again the high temperature resistant nonmetal lining of one deck acid-proof wear-proof in acid-resistant anti-corrosion protective layer inner side; Between acid-resistant anti-corrosion protective layer and the high temperature resistant nonmetal lining of acid-proof wear-proof, be provided with gap, in gap, be filled with heat-insulating and sealing material layer; On cylindrical shell, offer at least one circular poke hole, the movable stirring nozzle that cylindrical structure is installed that coordinates in poke hole; Adopt the spray cap of one group of different angle α to coordinate with stirring nozzle respectively at stirring nozzle nozzle, α is 0-90 degree.
The cylindrical shell of the utility model at the upper cover of reactor and between going to the bottom at least forms by one section, is provided with flange at the anti-corrosion protection lining of every section of cylindrical shell, and flange is to the ring flange at cylindrical shell two ends.
The utility model steel upper cover adopts flat structure, and steel is gone to the bottom and adopted ball crown type structure.
Its acid-proof wear-proof of the utility model is high temperature resistant, and nonmetal lining adopts segmentation or partitioned organization, and adopts acid-resistant and heat-resistant clay adhering and sealing.
The beneficial effects of the utility model are that the utility model has solved reactor at high temperature (in 800 degree), resistance to strong acid corrosion and strong erosive wear problem under high pressure (positive pressure pressure is no more than 6MPa) and condition of negative pressure.Realized in still without dead angle gas (liquid) power Agitation and mixing simultaneously.The utility model is composite anti-corrosive, and reactor temperature is the highest, by the adjustment of packed layer, also can ensure the proper temperature of anticorrosive coat.Thereby in the service life that ensures anticorrosive coat, the nonmetallic materials of innermost layer are acidproof, wear-resisting, high temperature resistant.Agitation and mixing problem under above-mentioned condition is also a difficult problem, and mechanical agitation almost cannot be used, and on-mechanical stirs also rare and can be with high costs.The advantage of Agitation and mixing technical scheme of the present utility model is: 1, can under strong acid, hot conditions, use for a long time; 2, can realize in still without dead angle gas (liquid) power Agitation and mixing; 3, can adopt normal temperature flanging to stir limit cooling, also can heat while stirring with high-temperature steam, liquid, gas or powder raw material directly can also be sprayed into from stirring nozzle, mix on spray limit, limit, so, can meet the requirement of every production technology.(strong acid refers to: hydrochloric acid, sulfuric acid, nitric acid, hydrofluoric acid etc.).
The resistance to strong acid of non-metallic inner liner of the utility model reactor, wear-resistant, high temperature resistant, mechanical strength is large, can make corrosion protective covering not be subject to washing away and wearing and tearing of the interior material of still.In the time being negative pressure in still, can " not inhaled flat " as the corrosion protective covering of the classes such as polytetrafluoroethylene (PTFE) and be damaged; Sealed insulation layer can make the operating temperature of corrosion protective covering far below operating temperature in still, thereby is conducive to extend the service life of corrosion protective covering; (or making maximum operating temperature in the reactor normal working temperature far above anti-corrosion protection layer material).
effect of the utility model structure is
1, steel casing provides withstand voltage support and outer protection for reactor.
The acid-resistant anti-corrosion protective layer of corrosion that 2, at a lower temperature can resisting high-concentration strong acid, for steel casing provides last anti-corrosion protection, makes it not by the dense strong acid erosion damage of height.
3, heat-insulating and sealing material layer provides suitable operating temperature for acid-resistant anti-corrosion protective layer.Prevent that acid-resistant anti-corrosion protective layer is because of the too high quick aging of temperature or damage.
4, the nonmetal lining protection sealed insulation layer of high-temperature wearable and acid-resistant anti-corrosion protective layer are not subject to the direct erosive wear of material in still.Meanwhile, in still, negative pressure in the situation that, ensure that acid-resistant anti-corrosion protective layer can " not inhaled flat " and damage.
5, the poke hole arranging on diverse location, by adopting different spray caps and stirring coordinating of nozzle, can realize the high-efficiency stirring to material in still; The horizontal direction spray angle α that mixes nozzle is optional by spray cap 0-90 degree, and vertical direction spray angle β 0-360 degree is adjustable, realized to material in still fully, without the stirring at dead angle, greatly improved the reaction efficiency of material.
6, steel upper cover adopts flat structure, and steel is gone to the bottom and adopted ball crown type structure, makes kettle structure more stable, and intensity is higher, also more makes still Inner material be easy to stir, and reacts more abundant.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is that the A-A of Fig. 1 analyses and observe partial view;
Fig. 3 is the B-B cutaway view of Fig. 1.
Detailed description of the invention
A kind of gas or fluid power stir composite anti-corrosive Wear-resistant, high-temperature resistant reactor, comprise shell 1, cylindrical shell 6, upper cover 8, go to the bottom 9, and still interior reaction temperature is less than 800 DEG C, and pressure is no more than 6MPa; The utility model feature is: in the shell 1 of steel, be lined with one deck polytetrafluoroethylene (PTFE) acid-resistant anti-corrosion protective layer 2; Be lined with again the high temperature resistant nonmetal lining 4 of one deck carborundum acid-proof wear-proof in polytetrafluoroethylene (PTFE) acid-resistant anti-corrosion protective layer 2 inner sides; Between polytetrafluoroethylene (PTFE) acid-resistant anti-corrosion protective layer 2 and the high temperature resistant nonmetal lining 4 of carborundum acid-proof wear-proof, be provided with gap 3, in gap 3, be filled with heat-insulating and sealing material layer 5; On cylindrical shell 6, offer at least one circular poke hole 12, at the interior movable stirring nozzle 7 that cylindrical structure is installed that coordinates of poke hole 12; Adopt the spray cap 7.1 of one group of different angle α to coordinate with stirring nozzle respectively at stirring nozzle 7 nozzles, α is 0-90 degree.
The utility model at least forms by one section at the upper cover 8 of reactor and the cylindrical shell 6 of going to the bottom between 9, is provided with flange 10 at the polytetrafluoroethylene (PTFE) acid-resistant anti-corrosion protective liners 2 of every section of cylindrical shell, and flange is to the ring flange 11 at cylindrical shell two ends.
The utility model steel upper cover 8 adopts flat structure, the steel 9 employing ball crown type structures of going to the bottom.
Its carborundum acid-proof wear-proof of the utility model is high temperature resistant, and nonmetal lining 4 adopts segmentation or partitioned organization, and adopts acid-resistant and heat-resistant clay adhering and sealing.
Reactor as shown in Figure 1, its agent structure by upper cover 8, go to the bottom 9 and middle cylindrical shell 6 form.On middle cylindrical shell, be provided with two pairs and stir spray orifice 12.Stir in spray orifice and be all equipped with and stir nozzle 7.Wherein, the horizontal-jet angle of a pair of stirring nozzle of bottom is 45 degree, and vertical spray angle is 0 degree.The horizontal-jet angle of a pair of stirring nozzle on top is 45 degree, and vertical spray angle is 15 degree.When material is in upper entrance enters still, two pairs are stirred nozzle and with high steam, it are carried out to jet agitation from different perspectives.Control flow and the temperature of steam and just can control the reaction temperature in reactor, to meet the requirement of production technology.
Upper cover 8, go to the bottom 9 and cylindrical shell 6 are all four layers of structure.Outermost layer is steel casing 1, and its thickness is determined according to operating pressure in still.The second layer is acid-resistant anti-corrosion protective layer 2, and its material is selected to determine according to medium in still.For example, when medium is concentrated hydrochloric acid, select polytetrafluoroethylene (PTFE) class material to do anticorrosion lining.The 3rd layer is heat-insulating and sealing material layer 5, prepares specially according to dielectric attribute in still, and its thickness is determined according to the material behavior of medium temperature in still and anticorrosion lining.The 4th layer is the high temperature resistant nonmetal lining 4 of carborundum acid-proof wear-proof.Its material and thickness are determined according to dielectric property in still and operating temperature.As carborundum lining.
Silicon carbide lining resisting high-concentration strong acid corrosion, wear-resistant under high temperature resistant and high temperature.When entering, material and concentrated acid medium in reactor, stir and when reaction, silicon carbide lining at high temperature all has good resistivity to concentrated acid corrosion and material erosive wear.Although under the long duration of action of HTHP, concentrated acid medium can progressively infiltrate into heat-insulating and sealing material layer 5, finally arrives the inner side of acid-resistant anti-corrosion protective layer 2.But as long as corrosion protective covering is not damaged, steel casing 1 just can not damage.Reactor just can normally be worked.Through the heat insulation and heat control of the high temperature resistant nonmetal lining 4 of carborundum acid-proof wear-proof and heat-insulating and sealing material layer 5, the operating temperature of acid-resistant anti-corrosion protective layer 2 inner sides can be far below the medium temperature in reactor.Thereby, be conducive to the normal serviceability temperature that extends the service life of corrosion protective covering or be conducive to improve reactor.In addition acid-resistant anti-corrosion protective layer 2 is not subject to material erosive wear, thereby service life can be longer.
Variations in temperature in reactor may cause the appearance of strong negative pressure.At this moment,, if there is no the rigid support of the high temperature resistant nonmetal lining 4 of acid-proof wear-proof and heat-insulating and sealing material layer 5, some may " inhale flat " because of negative pressure as the anti-corrosion protection lining of polytetrafluoroethylene (PTFE) class, thereby lose anti-corrosion function.The present embodiment reactor is because there being the existence of heat-insulating and sealing material layer 5 and the high temperature resistant nonmetal lining 4 of carborundum acid-proof wear-proof, even if there is strong negative pressure in still, acid-resistant anti-corrosion protective layer 2 can " not inhaled flat " to damage yet.
The present embodiment reactor steel casing is thickness 20mm boiler steel.Select polytetrafluoroethylene (PTFE) to do anti-corrosion protection lining 2.Select carborundum to make the thick high-temperature wearable lining 4 of 30mm.Heat-insulating and sealing material layer 5 thickness are 20mm.The operating pressure of reactor is 1MPa, and operating temperature is 200 degree, the concentration 30% of hydrochloric acid medium, and fineness of materials is 200 orders, and mixing material solid content is 45%-55%, and the rotary speed of mixing material in still is that 25-33 per minute turns.
Claims (4)
1. gas or fluid power stir a composite anti-corrosive Wear-resistant, high-temperature resistant reactor, comprise shell (1), cylindrical shell (6), upper cover (8), go to the bottom (9), and still interior reaction temperature is less than 800 DEG C, and pressure is no more than 6MPa; It is characterized in that: in the shell (1) of steel, be lined with one deck acid-resistant anti-corrosion protective layer (2); Be lined with again the high temperature resistant nonmetal lining of one deck acid-proof wear-proof (4) in acid-resistant anti-corrosion protective layer (2) inner side; Between acid-resistant anti-corrosion protective layer (2) and the high temperature resistant nonmetal lining of acid-proof wear-proof (4), be provided with gap (3), in gap (3), be filled with heat-insulating and sealing material layer (5); On cylindrical shell (6), offer at least one circular poke hole (12), the movable stirring nozzle (7) that cylindrical structure is installed that coordinates in poke hole (12); Adopt the spray cap (7.1) of one group of different angle α to coordinate with stirring nozzle respectively at stirring nozzle (7) nozzle, α is 0-90 degree.
2. a kind of gas as claimed in claim 1 or fluid power stir composite anti-corrosive Wear-resistant, high-temperature resistant reactor; it is characterized in that: at least form by one section at the upper cover (8) of reactor and the cylindrical shell (6) of going to the bottom between (9); acid-resistant anti-corrosion protective layer (2) at every section of cylindrical shell is provided with flange (10), and flange is to the ring flange (11) at cylindrical shell two ends.
3. a kind of gas as claimed in claim 1 or fluid power stir composite anti-corrosive Wear-resistant, high-temperature resistant reactor, it is characterized in that: steel upper cover (8) adopts flat structure, steel go to the bottom (9) adopt ball crown type structure.
4. a kind of gas as claimed in claim 1 or fluid power stir composite anti-corrosive Wear-resistant, high-temperature resistant reactor, it is characterized in that: its acid-proof wear-proof is high temperature resistant, and nonmetal lining (4) adopts segmentation or partitioned organization, and adopts acid-resistant and heat-resistant clay adhering and sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420075684.7U CN203737230U (en) | 2014-02-21 | 2014-02-21 | Pneumatic/hydraulic stirring composite corrosion-prevention wear-resisting high-temperature-resisting reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420075684.7U CN203737230U (en) | 2014-02-21 | 2014-02-21 | Pneumatic/hydraulic stirring composite corrosion-prevention wear-resisting high-temperature-resisting reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203737230U true CN203737230U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420075684.7U Expired - Lifetime CN203737230U (en) | 2014-02-21 | 2014-02-21 | Pneumatic/hydraulic stirring composite corrosion-prevention wear-resisting high-temperature-resisting reaction kettle |
Country Status (1)
| Country | Link |
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| CN (1) | CN203737230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769024A (en) * | 2014-02-21 | 2014-05-07 | 胡光雄 | Pneumatic or hydraulic agitating compounded anti-corrosion, wear-resisting and high-temperature-resisting reaction kettle |
-
2014
- 2014-02-21 CN CN201420075684.7U patent/CN203737230U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769024A (en) * | 2014-02-21 | 2014-05-07 | 胡光雄 | Pneumatic or hydraulic agitating compounded anti-corrosion, wear-resisting and high-temperature-resisting reaction kettle |
| CN103769024B (en) * | 2014-02-21 | 2015-08-12 | 胡光雄 | A kind of gas or hydraulic agitation composite anti-corrosive Wear-resistant, high-temperature resistant reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Kunming Luquan Deli silicon carbide product Co., Ltd. Assignor: Hu Guangxiong Contract record no.: 2015530000023 Denomination of utility model: Pneumatic or hydraulic agitating compounded anti-corrosion, wear-resisting and high-temperature-resisting reaction kettle Granted publication date: 20140730 License type: Exclusive License Record date: 20150408 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |