CN104776895A - Special interference detection floater applied to method for removing indole from beta-methylnaphthalene oil - Google Patents
Special interference detection floater applied to method for removing indole from beta-methylnaphthalene oil Download PDFInfo
- Publication number
- CN104776895A CN104776895A CN201410015015.5A CN201410015015A CN104776895A CN 104776895 A CN104776895 A CN 104776895A CN 201410015015 A CN201410015015 A CN 201410015015A CN 104776895 A CN104776895 A CN 104776895A
- Authority
- CN
- China
- Prior art keywords
- float
- beta
- floater
- interface detection
- circular hole
- 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
Landscapes
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a special interference detection floater applied to a method for removing indole from beta-methylnaphthalene oil. The special interference detection floater comprises a floater and two magnetic sheets, and is characterized in that the floater (7) is a flat cylinder with a circular hole (11) in the center, is made from polyurethane, and is 1.2g/cm<3> in density; the magnetic sheets (13) are strip-shaped, and are buried into grooves inside the floater (7) on both sides of the circular hole (11) respectively; the magnetic sheets are 7.5g/cm<3> in density; after the magnetic sheets (13) are buried into the grooves inside the floater (7) on both sides of the circular hole (11), the entire outer surface of the floater (7) is coated with a polytetrafluoroethylene material. The special interference detection floater applied to the method for removing indole from beta-methylnaphthalene oil has the advantages of delicate design, simple structure, convenience in manufacturing and prevention of blockage and corrosion of a coagulation detection material.
Description
Technical field
The present invention relates to a kind of float, specifically, is a kind of for the Interface detection dedicated float in Beta-methyl naphtalene oil process for removing indole.
Background technology
Chinese patent CN 1270155 discloses a kind of process for removing indole from beta-methyl naphthalene on October 18th, 2000, its Raw be purify from coal tar the purity that obtains reach more than 95% Beta-methyl naphtalene oil, indoles content is 0.2 ~ 1.0%, first with the H of 55 ~ 65% concentration
2sO
4solution, by oleic acid than being 1:1 ~ 4:1, carries out pickling; And then with the basic sulfate sodium solution containing 10 ~ 20% sodium sulphate and 3 ~ 10% NaOH, be 1: 1 ~ 4: 1 by oily alkali ratio, carry out alkali cleaning, the purity obtaining indoles content≤0.02% finally by distillation reaches the beta-methylnaphthalene of the white crystals of 98%.
But Beta-methyl naphtalene oil takes off indoles method is usually by pickling, alkali cleaning Beta-methyl naphtalene oil; Obtain the method for high-purity beta-methylnaphthalene finally by the de-indoles of distillation, its course of reaction is the process environments of oil, acid, alkali.When measuring material interface in distillation column, the method all adopting fax type external magnetic turning column liquid level meter instrument to carry out tower is drawn measurement is measured.Fig. 1 is known fax type external magnetic turning column liquid level meter instrument view in testing, because being no matter upper liquid or lower floor in distillation column containing the acid of indoles, alkali lye body, all easily produce corrosion and solidify, even if the fairlead on tower and stop valve are all changed to polytetrafluoroethylene (PTFE) liner, and set up Surgery therapy, but material always condenses at the place of connecting pipe up and down of instrument, blocks after drawing, and effect is undesirable, and therefore the material interface in tower cannot correctly indicate.
Therefore the method that known fax type external magnetic turning column liquid level meter instrument carries out distillation column is drawn measurement also exists above-mentioned all inconvenience and problem.
Summary of the invention
Object of the present invention, is that proposing one takes off in indoles method special process at Beta-methyl naphtalene oil, is detected as the Interface detection dedicated float taken off for Beta-methyl naphtalene oil in indoles method that plug-in type detects outside the distillation column that change is conventional.
For achieving the above object, technical solution of the present invention is:
Take off the Interface detection dedicated float in indoles method for Beta-methyl naphtalene oil, comprise float and two flat thin magnets, it is characterized in that:
Described float is flat cylindrical shape, and center is provided with circular hole, and its material is polyurethane, and density is 1.2g/cm
3;
Described flat thin magnet is strip, is embedded in the float interior grooves of the both sides of described circular hole respectively, and described flat thin magnet density is 7.5g/cm
3;
Wherein: described flat thin magnet is embedded in after in the float interior grooves of the both sides of described circular hole, the whole outside surface polytetrafluoroethylene (PTFE) material application of float.
The Interface detection dedicated float taken off in indoles method for Beta-methyl naphtalene oil of the present invention can also be further achieved by the following technical measures.
The aforesaid Interface detection dedicated float taken off for Beta-methyl naphtalene oil in indoles method, the cylinder diameter of wherein said float is 1200mm, high 50mm.
The aforesaid Interface detection dedicated float taken off for Beta-methyl naphtalene oil in indoles method, the length of wherein said flat thin magnet, height, thickness are 40 × 30 × 3mm.
The aforesaid Interface detection dedicated float taken off for Beta-methyl naphtalene oil in indoles method, the groove length and width of wherein said float interior grooves, the degree of depth are 40 × 40 × 3mm.
The aforesaid Interface detection dedicated float taken off for Beta-methyl naphtalene oil in indoles method, the diameter of wherein said circular hole is 3mm.
Adopt after technique scheme, the Interface detection dedicated float taken off in indoles method for Beta-methyl naphtalene oil of the present invention has the following advantages:
1, take off in indoles method special process at Beta-methyl naphtalene oil, adopt plug-in type Interface detection dedicated float, avoid the outer detection method of conventional tower, solve former design connecting pipe and easily to condense feed blocking corrosion-prone measuring technique difficult point again;
2, Interface detection dedicated float deft design, structure are simple, easy to make;
3, Interface detection dedicated float avoids gauge sensor and is corroded in acid, alkali, oil or the instrument most common failure of bad seals;
4, can be promoted in containing other interface liquid level gauges of beta-methylnaphthalene oil environment, have broad application prospects.
Accompanying drawing explanation
Fig. 1 is known fax type external magnetic turning column liquid level meter instrument view in testing;
Fig. 2 is the Interface detection dedicated float view in testing that the Beta-methyl naphtalene oil of the embodiment of the present invention takes off in indoles method;
Fig. 3 is the structural representation that the Beta-methyl naphtalene oil of the embodiment of the present invention takes off the Interface detection dedicated float in indoles method;
Fig. 4 is that the Beta-methyl naphtalene oil of the embodiment of the present invention takes off the opening slot of Interface detection dedicated float in indoles method and the structural representation of flat thin magnet;
Fig. 5 is that the Beta-methyl naphtalene oil of the embodiment of the present invention takes off the closed opening hole groove of the Interface detection dedicated float in indoles method and the schematic diagram of flat thin magnet.
In figure: 1 magnetic turning column liquid level meter instrument, 2 fairleads, 3 stop valves, 4 towers, 5 transmitters, 6 detector tubes, 7 floats, 8 supernatant liquid media, 9 interfaces, 10 subnatant body mediums, 11 circular holes, 12 opening slots, 13 flat thin magnets.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Now refer to Fig. 3, Fig. 3 is the structural representation that the Beta-methyl naphtalene oil of the embodiment of the present invention takes off the Interface detection dedicated float in indoles method, and as shown in the figure, described float 7 is in flat cylindrical shape, and center is provided with circular hole 11, and the diameter of described circular hole is 3mm.The material of float is polyurethane, and density is 1.2g/cm
3; The groove length and width of described float interior grooves, the degree of depth are 40 × 40 × 3mm.The cylinder diameter of described float is 1200mm, high 50mm.
Described flat thin magnet 13 is strip, is embedded in the float interior grooves of the both sides of described circular hole respectively, and described flat thin magnet density is 7.5g/cm
3; The length of described flat thin magnet, height, thickness are 40 × 30 × 3mm.
Wherein: described flat thin magnet is embedded in after in the float interior grooves of the both sides of described circular hole, the whole outside surface polytetrafluoroethylmaterial material application of float.
The Interface detection dedicated float taken off in indoles method for Beta-methyl naphtalene oil of the present invention is the interface that plug-in type detects two groups of materials in distillation column.Be respectively according to the density of two media in technique measurement parameter distillation column: γ
1=1.53 sulfuric acid and the sulfate liquor of 60%-65% (they are concentration be), γ
2=0.975 (for technical methylnaphthalene).For this reason, float density average γ got by float of the present invention
float=(1.53+0.975) ÷ 2=1.2525, even if float is between supernatant liquid medium 8 and subnatant body medium 10 interface, with the requirement of satisfied measurement.
Weight=1.2 × 3.14 × (6 of density × volume+2 flat thin magnet weight-2 the float fluting loss of the actual weight=float of float of the present invention
2-2
2) × 5+4 × 0.3 × 3 × 7.5 × 2-4 × 0.4 × 3 × 1.2 × 2=653g.
Fig. 4 is that the Beta-methyl naphtalene oil of the embodiment of the present invention takes off the opening slot of Interface detection dedicated float in indoles method and the structural representation of flat thin magnet, and Fig. 5 is that the Beta-methyl naphtalene oil of the embodiment of the present invention takes off the closed opening hole groove of the Interface detection dedicated float in indoles method and the schematic diagram of flat thin magnet.Polyurethane (density is 1.2g/cm3) is got as float material when making float.Float internal notches, flute length × wide × degree of depth is 40 × 40 × 3mm, inserts flat thin magnet (magnet density is 7.5g/cm3) flat thin magnet in groove and to grow tall thick being respectively: 40 × 30 × 3mm.Polyurethane is used to be sealed in float by flat thin magnet.The etch-proof PTFE material application in the whole outside of float.
Fig. 2 is the Interface detection dedicated float view in testing that the Beta-methyl naphtalene oil of the embodiment of the present invention takes off in indoles method.The magnetic field that flat thin magnet in float produces can have an impact to tongue tube in the detector tube be connected with transmitter with tower top.On tower, the detector tube of transmitter is built with one group of tongue tube and precision resistance, when managing outer float and changing up and down, the tongue tube at liquid level place is positioned in the influence of magnetic field road detector tube of float inner magnet iron plate, tongue tube is connected and the resistance value of transmitter is changed, its resistance is converted to electric current and exports by the change-over circuit module in terminal box, carries out display and the teletransmission of interface signals.
This method of Interface detection dedicated float that the Beta-methyl naphtalene oil of the embodiment of the present invention takes off in indoles method not only avoids material condensation but also solves instrument etching problem, interface level measurement is had basic change.The Beta-methyl naphtalene oil Interface detection dedicated float taken off in indoles method of the embodiment of the present invention comes into operation existing 5 years so far, measuring accuracy and result satisfactory.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or change.Therefore, all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (5)
1. take off the Interface detection dedicated float in indoles method for Beta-methyl naphtalene oil, comprise float and two flat thin magnets, it is characterized in that:
Described float (7) is in flat cylindrical shape, and center is provided with circular hole (11), and its material is polyurethane, and density is 1.2g/cm
3;
Described flat thin magnet (13) is strip, and be embedded in float (7) interior grooves of the both sides of described circular hole (11) respectively, described flat thin magnet density is 7.5g/cm
3;
Wherein: described flat thin magnet (13) is embedded in after in float (7) interior grooves of the both sides of described circular hole (11), the whole outside surface polytetrafluoroethylmaterial material application of float (7).
2. the Interface detection dedicated float taken off for Beta-methyl naphtalene oil in indoles method as claimed in claim 1, it is characterized in that, the cylinder diameter of described float (7) is 1200mm, high 50mm.
3. the as claimed in claim 1 Interface detection dedicated float taken off for Beta-methyl naphtalene oil in indoles method, is characterized in that, the length of described flat thin magnet (13), height, thick be 40 × 30 × 3mm.
4. the Interface detection dedicated float taken off for Beta-methyl naphtalene oil in indoles method as claimed in claim 1, it is characterized in that, the groove length and width of described float (7) interior grooves, the degree of depth are 40 × 40 × 3mm.
5. the Interface detection dedicated float taken off for Beta-methyl naphtalene oil in indoles method as claimed in claim 1, it is characterized in that, the diameter of described circular hole (11) is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015015.5A CN104776895A (en) | 2014-01-14 | 2014-01-14 | Special interference detection floater applied to method for removing indole from beta-methylnaphthalene oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015015.5A CN104776895A (en) | 2014-01-14 | 2014-01-14 | Special interference detection floater applied to method for removing indole from beta-methylnaphthalene oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104776895A true CN104776895A (en) | 2015-07-15 |
Family
ID=53618505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410015015.5A Pending CN104776895A (en) | 2014-01-14 | 2014-01-14 | Special interference detection floater applied to method for removing indole from beta-methylnaphthalene oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104776895A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040672A (en) * | 1988-08-19 | 1990-03-21 | 马辰生 | Automatic water boiler controlled by pressure sensor |
| CN1456951A (en) * | 2003-04-08 | 2003-11-19 | 李琼禹 | Automatic water tank level controller of energy-saving watersupply system |
| CN101526386A (en) * | 2009-04-03 | 2009-09-09 | 哈尔滨威帝汽车电子有限公司 | High precision tongue tube fuel sensor |
| CN102217574A (en) * | 2011-04-20 | 2011-10-19 | 陈宇泽 | Adjustable buoy |
| CN202267517U (en) * | 2011-10-26 | 2012-06-06 | 天津双菱仪表机械有限公司 | Plug-in liquid crystal display (LCD) maglev ball liquid level meter |
-
2014
- 2014-01-14 CN CN201410015015.5A patent/CN104776895A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040672A (en) * | 1988-08-19 | 1990-03-21 | 马辰生 | Automatic water boiler controlled by pressure sensor |
| CN1456951A (en) * | 2003-04-08 | 2003-11-19 | 李琼禹 | Automatic water tank level controller of energy-saving watersupply system |
| CN101526386A (en) * | 2009-04-03 | 2009-09-09 | 哈尔滨威帝汽车电子有限公司 | High precision tongue tube fuel sensor |
| CN102217574A (en) * | 2011-04-20 | 2011-10-19 | 陈宇泽 | Adjustable buoy |
| CN202267517U (en) * | 2011-10-26 | 2012-06-06 | 天津双菱仪表机械有限公司 | Plug-in liquid crystal display (LCD) maglev ball liquid level meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201852613U (en) | Novel liquid level detector | |
| CN202267517U (en) | Plug-in liquid crystal display (LCD) maglev ball liquid level meter | |
| CN204514435U (en) | A kind of anti-frozen block magnetic float liquidlevel meter | |
| CN203551033U (en) | Blowing type level gauge | |
| CN104776895A (en) | Special interference detection floater applied to method for removing indole from beta-methylnaphthalene oil | |
| CN205561988U (en) | Float gauge | |
| CN204422012U (en) | Anticorrosion static-pressure type liquid level transmitter | |
| CN204758088U (en) | Flotation column liquid level measurement device | |
| CN207556627U (en) | A kind of novel transformer oil level indicator | |
| CN206132183U (en) | Magnetic level gauge is with preventing stifled device | |
| CN203443643U (en) | Liquid level meter for measuring liquid level of two-phase interface and chemical container | |
| CN206002173U (en) | A kind of automotive oil tank liquid level sensor | |
| CN205483175U (en) | Boiler drum liquid level meter | |
| CN207964018U (en) | Magnetic float level instrument | |
| CN204359393U (en) | A kind of pick-up unit of fluid level transmitter of improvement | |
| CN204027659U (en) | The water tank of kitchen appliance | |
| CN203981164U (en) | Can eliminate the high precision hydrostatic level of temperature drift | |
| CN202382819U (en) | High-viscosity top-mounted magnetic coupling liquid level meter | |
| CN101881646A (en) | Buoy used for buoy liquid level gauge | |
| CN201335722Y (en) | Liquid level detection device for gas-liquid separating tank of chlorine gas compressor | |
| CN202814500U (en) | Liquid level meter | |
| CN201352142Y (en) | Pillar-turning liquid level meter | |
| CN201954262U (en) | Antitheft device for oil delivery pipelines | |
| CN205262551U (en) | Float gauge | |
| CN205561989U (en) | Prevent undulant level gauge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150715 |
|
| RJ01 | Rejection of invention patent application after publication |