• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention can be used in the chemical and related industries. The purpose of the invention is to reduce energy consumption while ensuring compactness. The installation contains a vessel 1 with sumps 2, agitators, overflows, sections of hydrocyclones 5, shafts 6 pumps 7, Suspension 18 W15aM / and / F // MZ Industrial fluid of FIG. 1 with lower descent 9 hydrocyclones, discharging nozzle 10 of washed and thickened suspension , supplying nozzles of the washing liquid, a discharge nozzle 12 of the washing liquid, a feeding nozzle 13 of suspended solids, and a dome, consisting of the lower part 14 and a cover 15. Inside the vessel 1 there are also chutes 16 and partitions 17, the supply pipeline 18 solid solids. In the vessel 1, a classifier can be installed, having a body, a bottom, nozzles, a cutting head, a ring space, a partition, an overflow, a discharge pipe, a bellows. The loaded slurry is fed to the sump 2 through the nozzle 13, where the next sump 2a also flows. The contents of the bottom product sump 2 is served by pump 7 with hydrocyclones 5a. Their lower descent 9a enters the sump 2a with a stirrer, which includes the overflow of the subsequent sump 2b and the overflow of the next cyclone 5c. Thus, the suspension is gradually thickened and cleaned until the final removal through the nozzle 10 from the sump 2f of the last section. 9 hp f-ly, 5 ill. LO T
    公开号:SU1679972A3
    申请号:SU874028783
    申请日:1987-01-09
    公开日:1991-09-23
    发明作者:Шенген Антон；Гейнрих Шредер Иоганн；Поршен Ерг；Донгаузер Фридрих
    申请人:Амбергер Каолинверке Гмбх (Фирма)；Динамит Нобель Аг (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to devices for carrying out washing of suspended solids, for example for treating saturated solutions with crystallized solids, and can be used in chemical and related industries,
    The purpose of the invention is to reduce energy consumption while ensuring compactness.
    Figure 1 presents the proposed installation of countercurrent washing, incision; Fig 2 is the same, top view; on fig.Z - section aa in figure 1; figure 4 - installation with used at the beginning of the filing of the washing liquid classifier, section; figure 5 - section bb in Fig, 4.
    The installation consists of a vessel 1 with sumps 2 (each section with equipment included in it has the symbol a, b, c, d, e, f), mixers 3, overflows 4, sections of hydrocyclones 5, shafts 6 pumps 7, overflows 8, lower hydrocyclone assemblies 9, the discharge pipe 10 of the washed suspension, the inlet pipes 11 for the washing liquid, the outlet pipe 12 for the washing liquid, the feed pipe 13 for suspended solids, domes consisting of the bottom 14 and the cover 15. Inside the vessel also gutter 16 and partition 17, I serve Suspended solids pipe 18, and a classifier 19 can also be installed, including a housing 20, a bottom 21, a nozzle 22, a nozzle 23, an annular space 24 between the nozzle 23 and a partition 25, an overflow 26, a discharge nozzle 27 and a bellows 28.
    The installation works as follows.
    The contaminated suspension is fed to the sump 2 through the nozzle 13. The sump 2 is also fed to the overflow of the next sump 2a. The contents of the bottom product of the sump 2 are fed through the pump 7 and the pipeline 18 to the overflow 8a installed in the direction of the flow of the hydrocyclone suspension 5a. Bottom gathering 9a hydrocyclones 5a enters the sump 2a with a Za mixer. The same sump 2a enters in the direction of the flow of the washing liquid the flow of the subsequent sump 2b and the flow 4c of the next hydrocyclone 5c. Thus, the suspension is gradually thickened and more and more purified until the final removal through the nozzle 10 from the sump 2f of the last section. Through the nozzles 11 a washing liquid is supplied to the unit and a filtrate can be added. The overflows of 8 hydrocyclones 5 flow into
    Downstream of chute 16. Troughs are installed obliquely in the direction of flow of washing liquid and are placed so that the flow of 4 hydrocyclones 5 in this direction of flow of washing liquid flows along a natural slope. Separate sump 2 are separated from each other by partitions 17, and these partitions in the direction of flow washing liquid is reduced. In addition, if it is ensured that the flow of flushing fluid through the nozzle 15 and the corresponding pump power are consistent with each other so that the flow of the pump is always
    more than waste, the sump is always filled to the edge of the partition 17 installed in the direction of flow of the washing liquid, i.e. the sump level 2 is always constant,
    The motors of the pumps 7 and the drives of the agitators 3 are preferably located outside the vessel, since high pressures and temperatures can adversely affect their operation. Pumps 7 can be made as
    submersible and, thus, can be installed completely in the vessel 1.
    In the installation, the sumper 2e may be located below the hydrocyclone 5a, the classifier 19c is upward, so that the input
    the fresh flow of flushing fluid is simultaneously the upstream flow of classifier 19. In case the latter protrudes from vessel 1, it is provided with pressure-resistant and thermally insulated casing 20 and bottom 21. The upward flow of washing fluid flows through the nozzles 22 and enters on the condensed suspension of the lower descent of the 9th hydrocyclone 5e, picks it up and carries it through
    the annular space 24 of the classifier to the overflow 26, from where they enter the sump 2e, etc. In the case of using an unsaturated washing liquid, it is thus possible to adjust the dimensions
    washed solid crystals. Large crystals are discharged through the discharge port 27.
    Thus, a multi-compartment setup allows to obtain with relatively
    low constructive cost of the product with a minimum content of contamination. This is accomplished, furthermore, by operating the plant under a pressure greater than the vapor pressure of the solvent at
    operating temperature so that the risk of evaporation is eliminated.
    权利要求:
    Claims (10)
    [1]
    Claim 1. Multi-sectional installation of countercurrent washing of suspended solids, preferably crystals, containing feed pipelines of suspended solids and washing liquid, sections of hydrocyclones with lower discharges and overflows, pumps, sump, mixers and means of connecting nodes, characterized in that in order to reduce energy consumption while ensuring compactness, it is equipped with a pressure-resistant, thermally insulated vessel with partitions and a supply pipe suspended in solid substances, inlet and outlet nozzles of the washing liquid, outlet nozzle of the washing liquid, outlet of the washed and thickened suspensions, while hydrocyclones with lower outflows and overflows, sump with incoming pumps or their parts and means for connecting nodes placed between partitions and sump installed inside the vessel.
    [2]
    2. Installation pop. 1, characterized in that parts or sections of pipelines or parts of pumps, or pipelines of pumps placed outside the vessel, are heat insulated or heated.
    [3]
    3. The installation according to claim 1, in which the vessel is provided with pressure-resistant and heat-insulated domes with lids, the lids are installed with the possibility of removal and hydrocyclones belonging to the same section are attached to them.
    [4]
    4. The installation according to claim 1, from the first and foremost, so that hydrocyclones are fixed in the dome by means of elastic parts, for example, bellows.
    [5]
    5. The installation according to claim 1, I distinguish the conductor - so that the sump is connected to the lower hydrocyclone gatherings.
    [6]
    6. Installation of pop. 1, characterized in that it is provided with troughs installed in the vessel and connected at one end with the corresponding overflows of each section of hydrocyclones, and the other with the sump of the next section or sump of washing liquid.
    [7]
    7. Installation according to claim 1, in which the height of the partitions decreases between the sumps in the direction of flow of the washing liquid.
    [8]
    8. Installation according to claim 1, about tl and h and shch a - so that it is equipped with a classifier with upward flow, including the case with the bottom and overflow, discharge pipe located in the bottom, which includes the supply flushing pipe liquid, while the classifier is installed under the bottom of the hydrocyclone, and the flow is connected to the pump sump in which it is located.
    [9]
    9. Installation according to claim 1, wherein the latter, along the course of the flushing fluid, is equipped with a partition dividing it into two chambers, each of which is connected to an overflow
    corresponding to the hydrocyclone and is equipped with its own flushing fluid discharge line.
    [10]
    10. Installation pop. 1, characterized in that the pumps and hydrocyclones and their domes are respectively alternately installed in the longitudinal direction of the vessel on both sides of its vertical longitudinal central plane, and the pressure pipe of each pump is connected to the flow pipe of the adjacent one suspended hydrocyclone solids.
    Priority points:
    01/09/86 popp. 1-6, 25,02.86 pop. 7, 18,11.86 pop. 8-10.
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    Compiled by D. Baranov
    Tehred M.MorgentalKorrektor O. Tsiple
    21
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    引用文献:
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    DE878043C|1951-09-01|1953-05-28|Westfalia Separator Ag|Countercurrent extraction system|
    DE1263697B|1964-06-08|1968-03-21|Maerkische Oelwerke Wittenberg|Process for the continuous, stepwise countercurrent extraction of solids with liquid solvents|
    US3952052A|1974-04-15|1976-04-20|Phillips Petroleum Company|Process for producing alkali metal salts of aromatic polycarboxylic acids|
    US4053506A|1975-05-02|1977-10-11|Standard Oil Company |Production of fiber-grade terephthalic acid|
    US4455224A|1979-03-19|1984-06-19|Clark & Vicario Corporation|Apparatus for treating a papermaking suspension|
    US4285706A|1979-03-20|1981-08-25|Dehne Manfred F|Particulate filtration device|
    DE3044617C2|1980-11-27|1985-09-26|Dynamit Nobel Ag, 5210 Troisdorf|Process for the production of terephthalic acid from dimethyl terephthalate as an intermediate|
    AU567503B2|1982-08-23|1987-11-26|Ok Tedi Mining Ltd.|Process and apparatus for the elution of values from solid particles|
    DE3410143A1|1984-03-20|1985-10-03|Deutsche Babcock Werke AG, 4200 Oberhausen|DEVICE FOR DEDUSTING PRESSURE GAS|SU1376325A1|1986-07-10|1990-08-23|Научно-производственное объединение по крахмалопродуктам|Multistage multicyclone installation|
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    US5794791A|1987-11-30|1998-08-18|Genesis Research Corporation|Coal cleaning process|
    GB8803138D0|1988-02-11|1988-03-09|Atomic Energy Authority Uk|Fluidic contactors|
    US4960525A|1988-09-26|1990-10-02|The United States Of America, As Represented By The Secretary Of Agriculture|Hydrocyclone for washing particles in liquid suspension|
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    US5492622A|1990-09-28|1996-02-20|Broussard; Paul C.|Water clarification apparatus|
    US5472094A|1993-10-04|1995-12-05|Electric Power Research Institute|Flotation machine and process for removing impurities from coals|
    JP3808672B2|1999-11-26|2006-08-16|東洋製罐株式会社|Industrial recovery method of terephthalic acid from recovered pulverized polyethylene terephthalate|
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    US7276625B2|2002-10-15|2007-10-02|Eastman Chemical Company|Process for production of a carboxylic acid/diol mixture suitable for use in polyester production|
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    US7074954B2|2002-12-09|2006-07-11|Eastman Chemical Company|Process for the oxidative purification of terephthalic acid|
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    BR0316462A|2002-12-09|2005-10-11|Eastman Chem Co|Processes for reducing a purified carboxylic acid suspension, for purifying a staged oxidation product, for producing a purified carboxylic acid product, and for purified carboxylic acid suspension|
    US7193109B2|2003-03-06|2007-03-20|Eastman Chemical Company|Process for production of a carboxylic acid/diol mixture suitable for use in polyester production|
    US20050059709A1|2003-09-15|2005-03-17|Meythaler Jay M.|Treatment of a neuropathy with rapid release aminopyridine|
    US7132566B2|2003-09-22|2006-11-07|Eastman Chemical Company|Process for the purification of a crude carboxylic acid slurry|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE3600522|1986-01-10|
    DE3606259|1986-02-27|
    DE19863639958|DE3639958A1|1986-01-10|1986-11-22|MULTI-STAGE COUNTERFLOW ARRANGEMENT AND RELATED PROCEDURES|
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