CN105116097B - Neutralization-process sulfur detector with oxygen flow rate control function - Google Patents
Neutralization-process sulfur detector with oxygen flow rate control function Download PDFInfo
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- CN105116097B CN105116097B CN201510531529.0A CN201510531529A CN105116097B CN 105116097 B CN105116097 B CN 105116097B CN 201510531529 A CN201510531529 A CN 201510531529A CN 105116097 B CN105116097 B CN 105116097B
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- oxygen
- flow rate
- rate control
- pressure transducer
- gradual change
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Abstract
The invention discloses a neutralization-process sulfur detector with an oxygen flow rate control function, belonging to the field of automatic measuring equipment for sulfur content in coal. The sulfur detector comprises a combustion furnace fixed on a bottom plate, a combustion pipe arranged in the middle of the combustion furnace, a sucking pump, a gas collecting bottle filled with hydrogen peroxide solution, an oxygen bottle filled with oxygen, a gas guide pipe and an oxygen flow rate control device, wherein the gas collecting bottle and the oxygen bottle are respectively connected with the two ends of the combustion pipe through the gas guiding pipe, sealing heads are arranged at the two ends of the combustion pipe, and the sucking pump extends above the liquid level of the gas collecting bottle through the gas guiding pipe; the oxygen flow rate control device is arranged between the oxygen bottle and the combustion pipe and comprises a throttle main body, a first damping piece, a second damping piece, a first static pressure sensor, a first dynamic pressure sensor, a rotating shaft, a second static pressure sensor and a second dynamic pressure sensor. The neutralization-process sulfur detector with the oxygen flow rate control function has a simple and reasonable result and can be used for stably controlling the oxygen flow rate.
Description
Technical field
The invention mainly relates to the automatic measuring equipment field of sulfur content in coal amount, refers in particular to a kind of with oxygen gas flow rate control work(
The neutralisation sulphur meter of energy.
Background technology
The content of element sulphur is to evaluate one of important indicator of ature of coal.In order to accurately and rapidly measure in combustible
Sulfur content, typically using constant sulphur appliance as conventional measuring apparatus.In prior art measuring apparatus, sulfur is surveyed using coulomb
Method.Coulomb surveying sulfur method needs with pump as power source, due to gas in time to time change containing sulphur concentration, therefore sulfur content is difficult to
Accurate Determining, at the same the pump life-span also shorten because of laod unbalance.
High-temp combustion neutralisation can draw chemical examination knot at short notice as one of full content of Sulphur in coal rapid assay methods
Really, a few countries being had at present, the method is classified as national standard.Domestic neutralisation is mostly using manual experiment method at present：Handss
Work operates coal sample to burn in oxygen stream under catalyst action, generates sulfur oxide, and is captured in hydrogenperoxide steam generator
Sulphuric acid is formed, is determined with sodium hydroxide solution, according to its consumption, calculate full content of Sulphur in coal content.Due to oxygen stream flow and
Flow velocity is larger for the impact of experimental result, thus need design it is a kind of can be to the device of oxygen stream flow speed control.
The content of the invention
The technical problem that need to solve of the present invention is：For the technical problem that prior art is present, the present invention provides a kind of knot
Fruit advantages of simple, the neutralisation sulphur meter with oxygen gas flow rate control function that oxygen stream flow speed stability can be controlled, so as to
Significantly improve measurement efficiency and experimental result.
In order to solve the above problems, solution proposed by the present invention is：In a kind of control function with oxygen gas flow rate
With method sulphur meter, it include being fixed on combustion furnace on base plate, the combustion tube in the middle part of the combustion furnace, air pump, equipped with one
Determine gas collecting bottle, the oxygen cylinder equipped with oxygen, airway and the oxygen gas flow rate control device of hydrogenperoxide steam generator, the gas collecting bottle,
The oxygen cylinder is connected with the two ends of the combustion tube respectively by the airway, and the two ends of the combustion tube are provided with sealing
Head, the air pump stretch into the ullage of the gas collecting bottle by airway；The oxygen gas flow rate control device is located at described
Between oxygen cylinder and the combustion tube, it is characterised in that：The oxygen gas flow rate control device includes throttle body, the first damping
Piece, the second damping fin, the first static pressure transducer, the first dynamic pressure transducer, rotating shaft, the second static pressure transducer and the second dynamic pressure sensing
Device.
First damping fin and second damping fin are installed in the two ends of the throttle body respectively；Described first is quiet
Pressure sensor and first dynamic pressure transducer are installed on the airway of the oxygen cylinder side；Second static pressure is passed
Sensor and second dynamic pressure transducer are installed on the airway of the combustion tube side；The throttle body is cylinder
Shape, which is provided with an isodiametric manhole centrally along axis, is equiped with the rotating shaft in hole；The throttle body is provided with an axle
The gradual change flow channel that line is parallel to each other.
The gradual change flow channel is that left end internal diameter is larger, right-hand member internal diameter is less, the manhole of remainder internal diameter gradual change；
First damping fin is discoid, which is provided with the first passage that an internal diameter is equal to gradual change throttling road maximum inner diameter,
The center is provided with a dead eye, is equiped with bearing in the dead eye；Second damping fin is discoid, be which is provided with individual
Internal diameter is equal to the second passage of gradual change throttling road minimum diameter, and the center offers a dead eye, is equiped with hole
Bearing；The two ends of the rotating shaft are respectively by being installed in the dead eye on first damping fin and second damping fin
Bearing；The axis of the axis of first passage, the axis of the gradual change flow channel and second passage, three are common
Line.
Compared with prior art, it is an advantage of the current invention that：The neutralisation with oxygen gas flow rate control function of the present invention
Sulphur meter is provided with oxygen gas flow rate control device, by measurement flow through the first passage oxygen static pressure and dynamic pressure, flow through second lead to
The dynamic pressure of pore oxygen and static pressure, and then calculate the flow velocity in oxygen stream inflow combustion tube；Rotating the first damping fin can be right
Oxygen gas flow rate is adjusted；Rotating the second damping fin can carry out trickle regulation to oxygen gas flow rate.It follows that present invention knot
Structure advantages of simple, guarantor can be provided to oxygen gas flow rate stability contorting, the accuracy of automatization and measurement result for sulphur meter
Card.
Description of the drawings
Fig. 1 is the plane figure schematic diagram of the neutralisation sulphur meter with oxygen gas flow rate control function of the present invention.
Fig. 2 is the principle schematic diagram. of the oxygen gas flow rate control device of the present invention.
Fig. 3 is left view when oxygen gas flow rate is maximum corresponding to Fig. 2.
In figure, 1 combustion furnace；2 oxygen gas flow rate control devices；3 combustion tubes；4 air pumps；5 gas collecting bottles；51—
Hydrogenperoxide steam generator；6 oxygen cylinders；7 airways；71 seal heads；8 porcelain boats；9 base plates；21 throttle bodies；22—
Entrance；23 outlets；24 first damping fins；25 first passages；26 dead eyes；27 bearings；28 second dampings
Piece；29 second passages；210 gradual change flow channels；211 first static pressure transducers；212 first dynamic pressure transducers；
213 second dynamic pressure transducers；214 second static pressure transducers；215 rotating shafts.
Specific embodiment
The present invention is described in further detail below with reference to the drawings and specific embodiments.
Referring to shown in Fig. 1 and Fig. 2, the neutralisation sulphur meter with oxygen gas flow rate control function of the present invention, it includes solid
On the base plate 9 combustion furnace 1, the combustion tube 3 in the middle part of combustion furnace 1, air pump 4, equipped with certain hydrogenperoxide steam generator 51
Gas collecting bottle 5, the oxygen cylinder 6 equipped with oxygen, airway 7 and oxygen gas flow rate control device 2, gas collecting bottle 5, oxygen cylinder 6 pass through inducing QI
Pipe 7 is connected with the two ends of combustion tube 3 respectively, and the two ends of combustion tube 3 are provided with seal head 71, and air pump 4 stretches into collection by airway 7
The ullage of gas cylinder 5；Oxygen gas flow rate control device 2 is located between oxygen cylinder 6 and combustion tube 3；Oxygen gas flow rate control device 2 is wrapped
Include throttle body 21, the first damping fin 24, the second damping fin 28, the first static pressure transducer 211, the first dynamic pressure transducer 212, turn
Axle 215, the second static pressure transducer 214 and the second dynamic pressure transducer 213.
Referring to shown in Fig. 1 and Fig. 2, the first damping fin 24 and the second damping fin 28 are installed in the two of throttle body 21 respectively
End；First static pressure transducer 211 and the first dynamic pressure transducer 212 are installed on the airway 7 of 6 side of oxygen cylinder；Second
Static pressure transducer 214 and the second dynamic pressure transducer 213 are installed on the airway 7 of 3 side of combustion tube；Throttle body 21 is
Cylinder, which is provided with an isodiametric manhole centrally along axis, is equiped with rotating shaft 215 in hole；Throttle body 21 is provided with 4
The gradual change flow channel 210 that axis is parallel to each other.
With reference to Fig. 2 and Fig. 3, gradual change flow channel 210 is that left end internal diameter is larger, right-hand member internal diameter is less, and remainder internal diameter is gradually
The manhole of change；First damping fin 24 is discoid, which is provided with 4 internal diameters equal to gradual change throttling 210 maximum inner diameter of road
First passage 25, the center are provided with a dead eye 26, are equiped with bearing 27 in dead eye 26；Second damping fin 28 is disk
Shape, which is provided with second passage 29 of 4 internal diameters equal to gradual change throttling 210 minimum diameter of road, and the center offers an axle
Bearing bore 26, is equiped with bearing 27 in hole；The two ends of rotating shaft 215 are respectively by being installed in the first damping fin 24 and the second damping fin 28
On dead eye 26 in bearing 27；The axis of the first passage 25, the axis of gradual change flow channel 210 and the second passage 29
Axis, three are conllinear.
Operation principle：First static pressure transducer 211 and the first dynamic pressure transducer 212 measure the oxygen from oxygen cylinder 6 respectively
Gas oxygen static pressure and dynamic pressure at the first passage 25；Second static pressure transducer 214 and the second dynamic pressure transducer 213 are measured respectively
Flow into the oxygen static pressure of oxygen and dynamic pressure at the second passage 29 of combustion tube 3；The stream of oxygen is obtained by analytical calculation
Speed；Rotating forward the first damping fin 24 causes the first passage 25 to increase with gradual change throttling 210 intersection of road, you can significantly increase
The flow velocity of big oxygen；Rotating backward the first damping fin 24 causes the first passage 25 to reduce with gradual change throttling 210 intersection of road,
It is significantly reduced the flow velocity of oxygen；In the same manner, the second damping fin 28 is rotated forward or backwards, is capable of achieving the small increase of oxygen gas flow rate
Or small reduction.
Claims (1)
1. a kind of neutralisation sulphur meter with oxygen gas flow rate control function, it include being fixed on combustion furnace (1) on base plate (9),
Combustion tube (3), air pump (4) in the middle part of the combustion furnace (1), the gas collecting bottle equipped with certain hydrogenperoxide steam generator (51)
(5), the oxygen cylinder equipped with oxygen (6), airway (7) and oxygen gas flow rate control device (2), gas collecting bottle (5), the oxygen
Bottle (6) is connected with the two ends of the combustion tube (3) respectively by the airway (7), and the two ends of combustion tube (3) are provided with close
End socket (71), described air pump (4) stretch into the ullage of the gas collecting bottle (5) by airway (7)；The oxygen gas flow rate control
Device (2) processed are located between the oxygen cylinder (6) and the combustion tube (3), it is characterised in that：The oxygen gas flow rate control device
(2) include that throttle body (21), the first damping fin (24), the second damping fin (28), the first static pressure transducer (211), first move
Pressure sensor (212), rotating shaft (215), the second static pressure transducer (214) and the second dynamic pressure transducer (213)；First damping
Piece (24) and second damping fin (28) are installed in the two ends of the throttle body (21) respectively；First static pressure transducer
(211) it is installed on the airway (7) of the oxygen cylinder (6) side with first dynamic pressure transducer (212)；Described
Two static pressure transducers (214) and second dynamic pressure transducer (213) are installed in the airway positioned at the combustion tube (3) side
(7) on；Described throttle body (21) are cylinder, and which is provided with an isodiametric manhole centrally along axis, is equiped with hole
Rotating shaft (215)；Throttle body (21) are provided with the gradual change flow channel (210) that 4 axis are parallel to each other；The gradual change gas
Runner (210) is that left end internal diameter is larger, right-hand member internal diameter is less, the manhole of remainder internal diameter gradual change；First damping
Piece (24) is discoid, which is provided with first passage of 4 internal diameters equal to gradual change throttling road (210) maximum inner diameter
(25), the center is provided with a dead eye (26), dead eye (26) and is equiped with bearing (27)；Second damping fin
(28) it is discoid, which is provided with second passage (29) of 4 internal diameters equal to gradual change throttling road (210) minimum diameter,
The center offers a dead eye (26), is equiped with bearing (27) in hole；The two ends of rotating shaft (215) are respectively by installing
Bearing (27) in the dead eye (26) on the first damping fin (24) and second damping fin (28)；Described first leads to
The axis of the axis of pore (25), the axis of the gradual change flow channel (210) and the second passage (29), three are conllinear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510531529.0A CN105116097B (en) | 2015-08-26 | 2015-08-26 | Neutralization-process sulfur detector with oxygen flow rate control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510531529.0A CN105116097B (en) | 2015-08-26 | 2015-08-26 | Neutralization-process sulfur detector with oxygen flow rate control function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105116097A CN105116097A (en) | 2015-12-02 |
| CN105116097B true CN105116097B (en) | 2017-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510531529.0A Active CN105116097B (en) | 2015-08-26 | 2015-08-26 | Neutralization-process sulfur detector with oxygen flow rate control function |
Country Status (1)
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60173466A (en) * | 1984-02-20 | 1985-09-06 | Fuji Electric Corp Res & Dev Ltd | Quantitative determination method of sulfur |
| JP3840128B2 (en) * | 2002-03-15 | 2006-11-01 | 株式会社堀場製作所 | Elemental analyzer and measuring method using this device |
| CN100456034C (en) * | 2006-09-27 | 2009-01-28 | 朱先德 | Constant sulphur appliance with airflow stabilizing device |
| CN1932501A (en) * | 2006-09-27 | 2007-03-21 | 朱先德 | Sulphur meter with flow detector |
| CN1936566A (en) * | 2006-09-27 | 2007-03-28 | 朱先德 | Sulfur defining instrument with flow automatic regulation device |
| CN201909772U (en) * | 2010-12-23 | 2011-07-27 | 湖南三德科技发展有限公司 | Sulfur determination device |
| CN203824752U (en) * | 2014-02-18 | 2014-09-10 | 中国人民解放军总参谋部陆航研究所 | Air flow control device for engine rig test |
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2015
- 2015-08-26 CN CN201510531529.0A patent/CN105116097B/en active Active
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| CN105116097A (en) | 2015-12-02 |
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Effective date of registration: 20221215 Address after: No. 241, Tingjin West Road, Leling, Dezhou, Shandong 253600 Patentee after: Leling Hongfeng Food Co.,Ltd. Address before: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee before: CHANGZHOU University |