CN103240192B - A kind of high-efficiency hydraulic swirler for combining structure in potash fertilizer production - Google Patents
A kind of high-efficiency hydraulic swirler for combining structure in potash fertilizer production Download PDFInfo
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- CN103240192B CN103240192B CN201310143190.8A CN201310143190A CN103240192B CN 103240192 B CN103240192 B CN 103240192B CN 201310143190 A CN201310143190 A CN 201310143190A CN 103240192 B CN103240192 B CN 103240192B
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- CN
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- Prior art keywords
- combining structure
- pipe
- overflow pipe
- potash fertilizer
- cylindrical section
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Links
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 title claims abstract description 16
- 239000003337 fertilizer Substances 0.000 title claims abstract description 16
- 229940072033 potash Drugs 0.000 title claims abstract description 16
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 title claims abstract description 16
- 235000015320 potassium carbonate Nutrition 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 5
- 238000002425 crystallisation Methods 0.000 abstract description 7
- 230000008025 crystallization Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000004048 modification Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 22
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 239000001103 potassium chloride Substances 0.000 description 10
- 235000011164 potassium chloride Nutrition 0.000 description 10
- 239000012535 impurity Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000005352 clarification Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 235000011132 calcium sulphate Nutrition 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 241001131796 Botaurus stellaris Species 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- PALNZFJYSCMLBK-UHFFFAOYSA-K magnesium;potassium;trichloride;hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-].[Cl-].[K+] PALNZFJYSCMLBK-UHFFFAOYSA-K 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- DQYBDCGIPTYXML-UHFFFAOYSA-N ethoxyethane;hydrate Chemical compound O.CCOCC DQYBDCGIPTYXML-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Fertilizers (AREA)
Abstract
The present invention relates to a kind of high-efficiency hydraulic swirler for combining structure in potash fertilizer production, it comprises overflow pipe, cylindrical section, the combining structure of overflow pipe outside and lower end, conical section, feed pipe and underflow pipe; Feed pipe and cylindrical section are by being welded to connect, cylindrical section and conical section are threaded connection, conical section and underflow pipe are threaded connection, tightening sleeve fixes on underflow pipe by the screw thread on it, combining structure and overflow pipe are by being welded to connect, and combining structure is inner by welding rod and overflow pipe external stability.The present invention only by simple structure of modification, just need can reach the effect improving separative efficiency, reduction energy consumption in reverse flotation-cold crystallization potash fertilizer production technology.Compact conformation, it is convenient to implement, economical reliable.
Description
[technical field]
The present invention relates to cyclone equipment technical field, specifically, is a kind of high-efficiency hydraulic swirler for combining structure in potash fertilizer production.
[background technology]
Up to now, the application of hydrocyclone has had the history of more than 100 year, and first hydrocyclone patent is that Bretney applies on United States Patent (USP).Within 1914, hydrocyclone is formally applied to the industrial production of phosphate fertilizer.But until the later stage thirties 20th century just occurs for the commercial form of the water treatment in pulp industry.Nineteen forty-three, hydrocyclone is used for being separated of ether-water system by Tepef with Woods of United States Atomic Energy Commission.Hydrocyclone is for after removing the water in oil, and start the document occurring a large amount of relevant hydrocyclone aspects, now hydrocyclone has become a kind of solid-liquid separation equipment of standard.
It is so extensive why hydrocyclone is applied in fields such as chemical industry, petroleum industry, light industry, environmental protection, give the credit to its some outstanding advantages, first its is simple and compact for structure, with low cost, be easy to install and operation, need hardly to safeguard and auxiliary device, although volume is little, disposal ability is large; And the higher shearing force existed in eddy flow can destroy intergranular cohesion, be very beneficial for classification of solid particles and washing.It is successfully applied to liquid clarification, slip concentrates, classification of solid particles, classification and washing, being separated of liquid degassing and desanding and non-mutually soluble liquids.Such as, classification in mineral metallurgical engineering, sort, concentrated, the gold and silver leaching of product and the washing of hydrometallurgy process and backwater clarification etc.; Gradation etc. in the extraction of the recovery of catalyst in the dehydration of crude oil in petrochemical industry, the deoiling of oily waste water, cracked oil, polymer or crystalline solid, being separated of activity and nonactive crystal, pigment manufacturing process, thick fine grading and impurity elimination in grain processing and food industry, the washing of starch, the clarification etc. of edible oil leachate, the preparation of coating for paper in paper industry, the process etc. of paper waste; Process of the dust-removal and desulfurizing of the clarification of the industrial and life contaminated water in environment-friendly engineering and purification, industrial and life contaminated water and purification, industry and life waste residue etc.
At present, the field of cyclone application has got more and more, and at the Cha Er Han Salt Lake of Qinghai-Tibet Platean, hydrocyclone is used in the potash fertilizer production technology of reverse flotation-cold crystallization.In the process, shone and the basic material of obtained KCl production through beach, salt pan, mainly containing sodium chloride (NaCl), calcium sulfate (CaSO4), potassium chloride (KCl) and magnesium chloride (MgCl2) four kinds of inorganic salt compounds by intercrystalline bittern.Wherein, CaSO4 is a kind of impurity that in thick carnallite, granularity is minimum, content is minimum, solubility is minimum in saturated bittern.CaSO4 impurity has important impact to potash fertilizer products, and the existence of micro-CaSO4 can cause the sharply reduction of Potassium Chloride Product quality.Although CaSO4 is not the major impurity in thick carnallite, enrichment in whole technique, in final product, content can reach about 2.6%.Its existence directly can have influence on the quality of product, deep processing cannot become KCl product.Therefore, improve the grade grade of Potassium Chloride Product, meet industrial requirement, the calcium sulphate content removed in potassium chloride is very important.
On the basis of not changing former reverse flotation-cold crystallization potassium chloride production process, sum up thick potassium decalcification Problems existing, the problem that potassium chloride granularity can diminish through cyclonic unit will be noted simultaneously, analyze whole potassium chloride production process, determine and apply the separation that hydrocyclone carries out calcium sulfate impurity in reverse flotation-cold crystallization technique.Owing to existing at saturated Klorvess Liquid and a large amount of potassium chloride, improve could high efficiencyly operate in potash fertilizer production technology so cyclone has to pass through structure.
[summary of the invention]
The object of the invention is to overcome the deficiencies in the prior art, a kind of high-efficiency hydraulic swirler for combining structure in potash fertilizer production is provided.
The object of the invention is to be achieved through the following technical solutions:
A high-efficiency hydraulic swirler for combining structure in producing for potash fertilizer, it is characterized in that, it comprises overflow pipe, cylindrical section, the combining structure of overflow pipe outside and lower end, conical section, feed pipe and underflow pipe; Feed pipe and cylindrical section are by being welded to connect, cylindrical section and conical section are threaded connection, conical section and underflow pipe are threaded connection, tightening sleeve fixes on underflow pipe by the screw thread on it, combining structure and overflow pipe are by being welded to connect, and combining structure is inner by welding rod and overflow pipe external stability.
Described combining structure is made up of the structural member of the baffle plate suppressing hydrocyclone internal short-circuit to flow and raising SEPARATION EFFICIENCY IN HYDROCYCLONE.
Increase the flow fieldoptimization structural member suppressing short-circuit flow in the overflow pipe lower end of cyclone, be used for optimizing flow field, improve separative efficiency.
Described structural member comprises fixture and movable part.
The shape of fixture is cylindrical or streamlined, and in order to fixing movable part, its upper end is connected to overflow pipe lower end.
The shape of movable part comprises cylindrical, streamlined, the shape such as involute-type, zero enveloping surface type, cyclone air column type.
Overflow pipe and cylindrical section by Flange joint, upper lower flange by flange gasket, with bolted together, complete connection.
The combining structure of overflow pipe outside and lower end and overflow pipe are by being welded to connect, and for fixing further, combining structure is inner by welding rod and overflow pipe external stability.
Cylindrical section hypomere sleeve interior surface is provided with internal thread, and conical section epimere sleeve outer surface is provided with the external screw thread matched with cylindrical section internal thread.
Be mainly used in reverse flotation-cold crystallization to produce potash fertilizer and remove in the technique of wherein micro-sulfuric acid calcium impurities, be not limited to this technique simultaneously, also can be applied in other needs to carry out in the industrial production that trace solid granule foreign is separated from large quantity of fluid.
Compared with prior art, good effect of the present invention is:
(1) effectively inhibit short-circuit flow by the baffle plate around hydrocyclone overflow pipe, stablize interior flow field.Short-circuit flow is the frictional resistance owing to feeding between fluid and wall, causes some fluid directly to enter overflow product, and this segment fluid flow is without being separated therefore directly affecting separating effect.Baffle plate can guide short-circuit flow to get back to bulk flow, thus particle is separated again, improves separative efficiency.
(2) by the combining structure of hydrocyclone overflow pipe lower end, " back mixing " between the inner forward spin flow of cyclone and lower eddy flow can be avoided and the coarse granule that causes enters bleed-off fluid, improve the time of staying of coarse granule in hydrocyclone inside further.Combining structure effectively can contain that overfall runs thick phenomenon, improves the separative efficiency of particle.
(3) hydrocyclone overfall lower end combining structure is by effectively controlling the turbulence structure of cyclone inside, thus makes interior flow field more be of value to the separation of particle.The control of turbulence structure causes the stable of interior flow field, and final energy consumption reduces.
(4) this invention only by simple structure of modification, just need can reach the effect improving separative efficiency, reduction energy consumption in reverse flotation-cold crystallization potash fertilizer production technology.Compact conformation, it is convenient to implement, economical reliable.
[accompanying drawing explanation]
Fig. 1 structural representation of the present invention;
Being labeled as in accompanying drawing: 1 overflow pipe, 2 cylindrical sections, 3 combining structures, 4 conical section, 5 feed pipes, 6 underflow pipes.
[detailed description of the invention]
The present invention is below provided a kind of detailed description of the invention for the high-efficiency hydraulic swirler of combining structure in potash fertilizer production.
Embodiment 1
Refer to accompanying drawing 1, a kind of produce for potash fertilizer in the high-efficiency hydraulic swirler of combining structure, the combining structure 3 of and lower end outside by overflow pipe 1, cylindrical section 2, overflow pipe, conical section 4, feed pipe 5 and underflow pipe 6 form; Feed pipe and cylindrical section are by being welded to connect.Cylindrical section 2 and conical section are threaded connection, and cylindrical section hypomere sleeve interior surface is provided with internal thread, and conical section epimere sleeve outer surface is provided with the external screw thread matched with cylindrical section internal thread.Conical section and underflow pipe are threaded connection, and tighten sleeve and fix underflow pipe by the screw thread on it.
Overflow pipe and cylindrical section by Flange joint, upper lower flange by flange gasket, with bolted together, complete connection.
The combining structure of overflow pipe outside and lower end and overflow pipe are by being welded to connect, and for fixing further, combining structure is inner by welding rod and overflow pipe external stability.
Combining structure is made up of the structural member of the baffle plate suppressing hydrocyclone internal short-circuit to flow and raising SEPARATION EFFICIENCY IN HYDROCYCLONE.
Increase the flow fieldoptimization structural member suppressing short-circuit flow in the overflow pipe lower end of cyclone, be used for optimizing flow field, improve separative efficiency.
Described structural member comprises fixture and movable part.
The shape of fixture is cylindrical or streamlined, and in order to fixing movable part, its upper end is connected to overflow pipe lower end.
The shape of movable part comprises cylindrical, streamlined, the shape such as involute-type, zero enveloping surface type, cyclone air column type.
Be mainly used in reverse flotation-cold crystallization to produce potash fertilizer and remove in the technique of wherein micro-sulfuric acid calcium impurities, be not limited to this technique simultaneously, also can be applied in other needs to carry out in the industrial production that trace solid granule foreign is separated from large quantity of fluid.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (1)
1. a high-efficiency hydraulic swirler for combining structure in producing for potash fertilizer, it is characterized in that, it comprises overflow pipe, cylindrical section, the combining structure of overflow pipe outside and lower end, conical section, feed pipe and underflow pipe; Feed pipe and cylindrical section are by being welded to connect, cylindrical section and conical section are threaded connection, conical section and underflow pipe are threaded connection, tightening sleeve fixes on underflow pipe by the screw thread on it, combining structure and overflow pipe are by being welded to connect, and combining structure is inner by welding rod and overflow pipe external stability;
Described combining structure is made up of with the structural member be connected below it baffle plate suppressing hydrocyclone internal short-circuit to flow;
Described structural member comprises fixture; The shape of fixture is cylindrical or streamlined, and upper end is connected with the lower end of the baffle plate suppressing hydrocyclone internal short-circuit to flow, and is positioned at overflow pipe bottom;
Described structural member comprises movable part; The shape of movable part is conical, and upper end is connected to the lower end of fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310143190.8A CN103240192B (en) | 2013-04-23 | 2013-04-23 | A kind of high-efficiency hydraulic swirler for combining structure in potash fertilizer production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310143190.8A CN103240192B (en) | 2013-04-23 | 2013-04-23 | A kind of high-efficiency hydraulic swirler for combining structure in potash fertilizer production |
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| Publication Number | Publication Date |
|---|---|
| CN103240192A CN103240192A (en) | 2013-08-14 |
| CN103240192B true CN103240192B (en) | 2016-03-16 |
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|---|---|---|---|
| CN201310143190.8A Expired - Fee Related CN103240192B (en) | 2013-04-23 | 2013-04-23 | A kind of high-efficiency hydraulic swirler for combining structure in potash fertilizer production |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104623934B (en) * | 2013-11-08 | 2017-02-01 | 中冶长天国际工程有限责任公司 | Pre-grading thickener |
| CN106745153B (en) * | 2016-09-23 | 2019-02-01 | 封祁宁 | denitration gypsum cleaning device and method |
| CN113295038A (en) * | 2021-06-07 | 2021-08-24 | 哈尔滨工业大学 | Injecting double-cone low-consumption rotational flow sewage heat recovery anti-blocking device |
| CN118045689B (en) * | 2024-03-29 | 2024-08-16 | 青海师范大学 | Hydraulic cyclone for reverse flotation cold crystallization potash fertilizer production process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1759930A (en) * | 2004-10-12 | 2006-04-19 | 中国科学院过程工程研究所 | Coaxial biconic device in two stages for separating gas from solid rapidly |
| CN201006496Y (en) * | 2007-02-14 | 2008-01-16 | 云国峰 | Cyclone separator |
| RU2367523C1 (en) * | 2008-02-11 | 2009-09-20 | Дочернее открытое акционерное общество "Центральное конструкторское бюро нефтеаппаратуры" Открытого акционерного общества "Газпром" (ДОАО ЦКБН ОАО "Газпром") | Cyclone |
| JP2010149043A (en) * | 2008-12-25 | 2010-07-08 | Takama Think-Bank Ltd | Cyclonic separating apparatus |
| CN201988302U (en) * | 2011-01-25 | 2011-09-28 | 杭州联合超滤净化设备有限公司 | Air water separating device |
-
2013
- 2013-04-23 CN CN201310143190.8A patent/CN103240192B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1759930A (en) * | 2004-10-12 | 2006-04-19 | 中国科学院过程工程研究所 | Coaxial biconic device in two stages for separating gas from solid rapidly |
| CN201006496Y (en) * | 2007-02-14 | 2008-01-16 | 云国峰 | Cyclone separator |
| RU2367523C1 (en) * | 2008-02-11 | 2009-09-20 | Дочернее открытое акционерное общество "Центральное конструкторское бюро нефтеаппаратуры" Открытого акционерного общества "Газпром" (ДОАО ЦКБН ОАО "Газпром") | Cyclone |
| JP2010149043A (en) * | 2008-12-25 | 2010-07-08 | Takama Think-Bank Ltd | Cyclonic separating apparatus |
| CN201988302U (en) * | 2011-01-25 | 2011-09-28 | 杭州联合超滤净化设备有限公司 | Air water separating device |
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| CN103240192A (en) | 2013-08-14 |
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