CN105973644A - Method and tool for analyzing and sampling dry desulphurization absorbing tower fluidized bed material - Google Patents

Method and tool for analyzing and sampling dry desulphurization absorbing tower fluidized bed material Download PDF

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Publication number
CN105973644A
CN105973644A CN201610289336.3A CN201610289336A CN105973644A CN 105973644 A CN105973644 A CN 105973644A CN 201610289336 A CN201610289336 A CN 201610289336A CN 105973644 A CN105973644 A CN 105973644A
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China
Prior art keywords
push rod
bed material
hollow piston
absorption tower
sleeve
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Pending
Application number
CN201610289336.3A
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Chinese (zh)
Inventor
江攀
董朔
陈伟
李金江
段欣
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MCC Baosteel Technology Services Co Ltd
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MCC Baosteel Technology Services Co Ltd
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Priority to CN201610289336.3A priority Critical patent/CN105973644A/en
Publication of CN105973644A publication Critical patent/CN105973644A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14Suction devices, e.g. pumps; Ejector devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14Suction devices, e.g. pumps; Ejector devices
    • G01N2001/1418Depression, aspiration
    • G01N2001/1427Positive displacement, piston, peristaltic

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention provides a tool for analyzing and sampling a dry desulphurization absorbing tower fluidized bed material. The tool comprises an outer cylinder assembly, an inner cylinder assembly and a pressure spring assembly; the outer cylinder assembly comprises a sleeve and a cylindrical handle in sealed connection with the sleeve; the inner cylinder assembly comprises a sampling cylinder and a hollow piston push rod; the cylinder wall of the sampling cylinder is provided with a sampling hole; the open end of the sampling cylinder is insert to the sleeve; the hollow piston push rod is inserted to the cylindrical handle, and the hollow piston push rod is connected with the sampling cylinder; and the pressure spring assembly comprises a pressure spring and a tail cover, the tail cover is arranged on the outer end surface of the hollow piston push rod, and the pressure spring is positioned between the tail cover and the cylindrical handle. The sampling tool has a simple structure, is convenient to use, and can be widely applied to sampling of absorbing tower materials in a dry desulphurization system in order to guarantee the accurate and comprehensive property of components in a sample. The invention also provides a method for analyzing and sampling the dry desulphurization absorbing tower fluidized bed material. The method is simple, and can guarantee the accurate and comprehensive property of components in the sample.

Description

The dry desulfurization method of absorption tower fluidised bed material analytical sampling and instrument
Technical field
The present invention relates to fluidised bed material analytical sampling in industrial smoke dry method desulfuration system, particularly relate to a kind of dry desulfurization and use The method of absorption tower fluidised bed material analytical sampling and instrument.
Background technology
The main exhauster exhaust gas volumn of sintering machine is very big, and its pressure is-12700Pa, and temperature is at about 120 degree.Dust content is 100mg/Nm3, SO2 content is 450mg/Nm3.This technique uses recirculating fluidized bed sintering Dry Technologies of Flue Gas Desulphurizaion (LJS-FGD). One typical LJS-FGD process system by absorption tower, desulfurizing dust-collector, Desulphurization circulation and discharge, absorbent preparation and supplies Should, fresh water (FW) and the electric composition such as I&C system.
Sintering machine former flue gas out is from entrance absorption tower, bottom, by the acceleration of the Venturi tube bottom absorption tower, enters circulation Fluid bed bed body, former flue gas and solid material granule in bed body, due to the effect of air-flow, produce fierce turbulence and mix, fully Contact, it is achieved desulfurization.Circulating Fluidized Bed be mainly composed of Ca (OH) 2, CaSO3 1/2H2O, CaSO4 1/2H2O, CaCO3, CaF2, CaCl2 and impurity etc..Desulfuration efficiency is had very by the color of above-mentioned composition, granular size, composition Pivotal role, so must be sampled fluidised bed material observing and analyzing.At present, the hand hole from absorption tower is typically used to take Obtain fluidised bed material sample, but after hand hole is opened, the tiny composition in material sample can be siphoned away by the negative pressure in absorption tower, takes The material sample gone out is the most comprehensive, it is impossible to react the composition of fluidised bed material accurately.
Summary of the invention
The shortcoming of prior art in view of the above, first purpose of the present invention is to provide a kind of dry desulfurization absorption tower to flow Changing bed material analyzing sampling instrument, this instrument is not only simple in structure, easy to use, and can be widely used in dry method desulfuration system The sampling of absorption tower material, and ensure that sample component is accurately, comprehensively.
Second object of the present invention is the method providing the fluidised bed material analytical sampling of a kind of dry desulfurization absorption tower, uses The method not only convenient sampling, and can guarantee that sample component is accurately, comprehensively.
For realizing above-mentioned first purpose, the present invention provides following technical scheme:
A kind of dry desulfurization absorption tower fluidised bed material analytical sampling instrument, at least includes: outer barrel component, interior cartridge module, with And compression spring component;Described outer barrel component includes sleeve and tubular handle, and described sleeve passes through seal stopper ring with described tubular handle Seal and be connected;Described interior cartridge module includes that sampler barrel and the hollow piston push rod of both ends open of one end open are closed in one end;Described The barrel of sampler barrel offers thief hole;The opening of described sampler barrel is plugged in described sleeve, and its outer wall and described sleeve Inner wall sealing is connected, and described hollow piston push rod is plugged in described tubular handle, and described hollow piston push rod and described sampling Cylinder is connected;Described compression spring component includes that stage clip and tail-hood, described compression spring sleeve are located on described hollow piston push rod, and described tail-hood is pacified Being contained in described hollow piston push rod outer face, described stage clip is between described tail-hood and described tubular handle;Original state, institute State stage clip and be in nature retracted position, and described thief hole is positioned at described sleeve.
Preferably, seal grade between described sampler barrel and described sleeve and be not less than IP54.
Preferably, being provided with a lead in the middle part of described hollow piston push rod, described tubular handle sidewall afterbody offers confession vertically The gathering sill matched with described lead.
Preferably, described tail-hood is fitting to connection with described hollow piston push rod.
Preferably, described tail-hood is threadeded with described hollow piston push rod.
Preferably, described thief hole is rectangular opening or circular hole.
As it has been described above, the dry desulfurization of present invention absorption tower fluidised bed material analytical sampling instrument, have the advantages that
This dry desulfurization is simple with absorption tower fluidised bed material analytical sampling tool construction, easy to use, and can be widely used in doing The sampling of the absorption tower material in method desulphurization system, and ensure that sample component is accurately, comprehensively.
For realizing above-mentioned second purpose, the present invention provides following technical scheme:
The method of a kind of dry desulfurization absorption tower fluidised bed material analytical sampling, comprises the steps:
1) above-mentioned dry desulfurization absorption tower fluidised bed material analytical sampling instrument is prepared;
2) absorption tower hand hole is opened;
3) a tubular handle holding dry desulfurization absorption tower fluidised bed material analytical sampling instrument, another holds residence State tail-hood, sleeve is inserted described hand hole, and makes seal stopper ring closely in contact with described hand hole;
4) being pushed away to described hollow piston push rod by described tail-hood so that described sampler barrel stretches out from sleeve, described stage clip is in compression State;
5) after described stage clip keeps compressive state several seconds, the thrust to described tail-hood is cancelled so that described sampler barrel retraction sleeve In, described stage clip is in nature retracted position;
6) described sleeve is taken out from described hand hole,
7) pull down described tail-hood, pour out sample from described hollow piston push rod afterbody;
8) described hand hole is closed.
Preferably, when described stage clip is in compressive state, state 3~5 seconds need to be kept.
As it has been described above, the dry desulfurization of the present invention method of absorption tower fluidised bed material analytical sampling, have the advantages that
Use the method not only convenient sampling, and can guarantee that sample component is accurately, comprehensively.
Accompanying drawing explanation
Fig. 1 is shown as the dry desulfurization absorption tower fluidised bed material analytical sampling instrument of present invention axonometric chart when sampling.
Fig. 2 is shown as the dry desulfurization absorption tower fluidised bed material analytical sampling instrument sectional view of the present invention, and wherein stage clip is in Natural retracted position.
Element numbers explanation
11 sleeves
12 tubular handles
121 gathering sills
13 seal stopper rings
21 sampler barrels
211 thief holes
22 hollow piston push rods
221 leads
31 stage clips
32 tail-hoods
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be taken off by this specification The content of dew understands other advantages and effect of the present invention easily.
It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to coordinate disclosed in description Content, understands for those skilled in the art and reads, being not limited to the enforceable qualifications of the present invention, therefore do not have Technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not affecting institute of the present invention energy Under the effect produced and the purpose that can reach, all should still fall in the range of disclosed technology contents can be contained. Meanwhile, in this specification cited as " on ", D score, "left", "right", the use of " middle " and " one " etc. Language, is merely convenient to understanding of narration, and is not used to limit the enforceable scope of the present invention, being altered or modified of its relativeness, Changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
As depicted in figs. 1 and 2, the present invention provides a kind of dry desulfurization absorption tower fluidised bed material analytical sampling instrument, at least Including: outer barrel component, interior cartridge module, and stage clip 31 assembly.
Described outer barrel component includes sleeve 11 and tubular handle 12, and described sleeve 11 passes through to seal with described tubular handle 12 Baffle ring 13 seals and is connected;Described sleeve 11 overall dimensions should set according to the practical situation of hand hole internal diameter, sees Fig. 1 and Fig. 2.
Described interior cartridge module includes that sampler barrel 21 and the hollow piston push rod 22 of both ends open of one end open are closed in one end;Described The barrel of sampler barrel 21 offers thief hole 211;Preferably, described thief hole 211 is near the blind end of described sampler barrel 21; The opening of described sampler barrel 21 is plugged in described sleeve 11, and its outer wall is connected with described sleeve 11 inner wall sealing, described Hollow piston push rod 22 is plugged in described tubular handle 12, and described hollow piston push rod 22 is connected with described sampler barrel 21; See Fig. 1 and Fig. 2.Assemble for convenience, and guarantee that sample component is accurate, it is preferable that described hollow piston push rod 22 and institute Stating what sampler barrel 21 was formed in one, their external diameter can identical can also differ.
With reference to Fig. 1 and Fig. 2, described stage clip 31 assembly includes that stage clip 31 and tail-hood 32, described stage clip 31 are set in described hollow On piston push rod 22, described tail-hood 32 is arranged on described hollow piston push rod 22 outer face, and described stage clip 31 is positioned at described tail Between lid 32 and described tubular handle 12;Original state, described stage clip 31 is in nature retracted position, and described thief hole 211 are positioned at described sleeve 11, see Fig. 2.Preferably, described tail-hood 32 is threadeded with described hollow piston push rod 22, Or described tail-hood 32 is chimeric with described hollow piston push rod 22 to be connected.Described tail-hood 32 can be designed as one-level round platform, it is possible to To be designed as cylinder;When described tail-hood 32 is designed as one-level round platform, the path round platform of this one-level round platform is provided with external screw thread, and this is outer Screw thread matches with described hollow piston push rod 22 female thread;When described tail-hood 32 is designed as cylinder, described cylinder end face Offering an endless groove, the wall of described hollow piston push rod 22 is entrenched in described endless groove.
With reference to Fig. 1 and Fig. 2, being pushed away to described hollow piston push rod 22 by described tail-hood 32, described stage clip 31 is compressed, and it is long Degree gradually shortens, and the most described sampler barrel 21 is pushed into outside described sleeve 11 so that described thief hole 221 leaks outside, and conveniently takes Sample.Cancelling thrust to described tail-hood 32, described stage clip 31 returns to original state, and the most described stage clip 31 is in nature and stretches shape State.The most described sampler barrel 21 is under described stage clip 31 acts on, and described sampler barrel 21 moves to described sleeve 11, final institute State thief hole 221 and be positioned at described sleeve 11, the most described thief hole 221 is preferably blocked, it is to avoid dust, dirty etc. Enter described sampler barrel 21, thus the sample component obtained when ensure that sampling is more accurate.
Preferably, sealing grade and be not less than IP54 between described sampler barrel 21 and described sleeve 11, this sealing grade is prevented from In fluidised bed material, smaller particle thing is siphoned away from sampler barrel 21 by negative pressure, ensures that the integrity of sampling.
The position of absorption tower hand hole will not change, therefore in sampling operation process, thief hole 211 direction immobilizes.In order to really The dry desulfurization absorption tower fluidised bed material analytical sampling instrument that breaks even can realize sampling accurately, at described hollow piston push rod Being provided with a lead 221 in the middle part of in the of 22, described tubular handle 12 sidewall afterbody offers vertically for matching with described lead 221 The gathering sill 121 closed.In sampling process, owing to described lead 221 matches with gathering sill 121, and described in lead Be located in the middle part of described hollow piston push rod 22 to post 221, so ensure described hollow piston push rod 22 only can axially movable, Will not rotate.Preferably, described lead 221 is welded on described hollow piston push rod 22 outer wall, sees Fig. 1 and Fig. 2..
Described tubular handle 12 is operating personnel's operation part, and described tubular handle 12 diameter should take into full account ergonomics. Described tubular handle 12 diameter can be identical with described sleeve 11 diameter or differ.
Preferably, with reference to Fig. 1, described thief hole 211 is rectangular opening or circular hole.When described thief hole 211 is circular hole, institute The interior diameter stating circular hole is from top to bottom gradually reduced.When described thief hole 211 is rectangular opening, the sidewall of this rectangular opening is to incline Inclined-plane, and the aperture of rectangular opening is from top to bottom gradually reduced.
Fluidised bed material has a relatively severe corrosive, therefore the dry desulfurization of present invention absorption tower fluidised bed material analytical sampling instrument Material should be the lightest and corrosion-resistant;The dry desulfurization of the present invention material of absorption tower fluidised bed material analytical sampling instrument Can be the light anticorrosive materials such as aluminium alloy, rustless steel and woollen goods.
This dry desulfurization is simple with absorption tower fluidised bed material analytical sampling tool construction, easy to use, and can be widely used in doing The sampling of the absorption tower material in method desulphurization system, and ensure that sample component is accurately, comprehensively.
The present invention also provides for the method for a kind of dry desulfurization absorption tower fluidised bed material analytical sampling, comprises the steps:
1) above-mentioned dry desulfurization absorption tower fluidised bed material analytical sampling instrument is prepared;
2) absorption tower hand hole is opened;
3) with reference to Fig. 1, a tubular handle 12 holding dry desulfurization absorption tower fluidised bed material analytical sampling instrument, separately One holds described tail-hood 32, described sleeve 11 inserts described hand hole, and makes described seal stopper ring 13 tight with described hand hole Close contacting, the most described seal stopper ring 13 end face is resisted against on described hand hole;
4) with reference to Fig. 1, described tail-hood 32 is pushed away to described hollow piston push rod 22 so that described sampler barrel 21 is from sleeve 11 Stretching out, described stage clip 31 is in compressive state;
5) with reference to Fig. 1, after described stage clip 31 keeps compressive state several seconds, the thrust to described tail-hood 32 is cancelled so that institute Stating sampler barrel 21 and retract in sleeve 11, described stage clip 31 is in nature retracted position;Preferably, described stage clip 31 is in pressure During contracting state, state 3~5 seconds need to be kept;
6) described sleeve 11 is taken out from described hand hole;
7) with reference to Fig. 1, pull down described tail-hood 32, pour out sample from described hollow piston push rod 22 afterbody;
8) described hand hole is closed.
The method of the absorption tower fluidised bed material analytical sampling not only convenient sampling of the dry desulfurization of the present invention, and can guarantee that sample becomes Part is accurately, comprehensively.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any it is familiar with this skill Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage of art.Therefore, such as All that in art, tool usually intellectual is completed under without departing from disclosed spirit and technological thought etc. Effect is modified or changes, and must be contained by the claim of the present invention.

Claims (8)

1. a dry desulfurization absorption tower fluidised bed material analytical sampling instrument, it is characterised in that at least include: outer barrel component, interior Cartridge module, and stage clip (31) assembly;
Described outer barrel component includes sleeve (11) and tubular handle (12), and described sleeve (11) and described tubular handle (12) Sealed by seal stopper ring (13) and be connected;
Described interior cartridge module includes that sampler barrel (21) and the hollow piston push rod (22) of both ends open of one end open are closed in one end;
The barrel of described sampler barrel (21) offers thief hole (211);The opening of described sampler barrel (21) is plugged in described In sleeve (11), and its outer wall is connected with described sleeve (11) inner wall sealing;
In described hollow piston push rod (22) is plugged in described tubular handle (12), and described hollow piston push rod (22) and institute State sampler barrel (21) to be connected;
Described stage clip (31) assembly includes stage clip (31) and tail-hood (32), and described stage clip (31) is set in described hollow piston On push rod (22), described tail-hood (32) is arranged on described hollow piston push rod (22) outer face, described stage clip (31) It is positioned between described tail-hood (32) and described tubular handle (12);Original state, described stage clip (31) is in nature and stretches Contracting state, and described thief hole (211) is positioned at described sleeve (11).
Dry desulfurization absorption tower the most according to claim 1 fluidised bed material analytical sampling instrument, it is characterised in that take described in: Seal grade between sample cylinder (21) and described sleeve (11) and be not less than IP54.
Dry desulfurization absorption tower the most according to claim 1 and 2 fluidised bed material analytical sampling instrument, it is characterised in that: institute Stating hollow piston push rod (22) middle part and be provided with a lead (221), described tubular handle (12) sidewall afterbody is vertically Offer the gathering sill (121) for matching with described lead (221).
Dry desulfurization absorption tower the most according to claim 1 fluidised bed material analytical sampling instrument, it is characterised in that: described tail Lid (32) is fitting to connection with described hollow piston push rod (22).
Dry desulfurization absorption tower the most according to claim 1 fluidised bed material analytical sampling instrument, it is characterised in that: described tail Lid (32) is threadeded with described hollow piston push rod (22).
Dry desulfurization absorption tower the most according to claim 1 fluidised bed material analytical sampling instrument, it is characterised in that take described in: Sample hole (211) is rectangular opening or circular hole.
7. the dry desulfurization method of absorption tower fluidised bed material analytical sampling, it is characterised in that: comprise the steps:
1) the dry desulfurization absorption tower fluidised bed material analytical sampling instrument described in the claims 1 to 6 is prepared;
2) absorption tower hand hole is opened;
3) a tubular handle (12) holding dry desulfurization absorption tower fluidised bed material analytical sampling instrument, another hands Hold described tail-hood (32), described sleeve (11) is inserted described hand hole, and makes described seal stopper ring (13) with described Hand hole is closely in contact;
4) described tail-hood (32) is pushed away to described hollow piston push rod (22) so that described sampler barrel (21) is from sleeve (11) Stretching out, described stage clip (31) is in compressive state;
5) after described stage clip (31) keeps several seconds of compressive state, cancel the thrust to described tail-hood (32) so that described in take In sample cylinder (21) retraction sleeve (11), described stage clip (31) is in nature retracted position;
6) described sleeve (11) is taken out from described hand hole,
7) pull down described tail-hood (32), pour out sample from described hollow piston push rod (22) afterbody;
8) described hand hole is closed.
The method of dry desulfurization absorption tower the most according to claim 7 fluidised bed material analytical sampling, it is characterised in that: described When stage clip (31) is in compressive state, state 3~5 seconds need to be kept.
CN201610289336.3A 2016-05-04 2016-05-04 Method and tool for analyzing and sampling dry desulphurization absorbing tower fluidized bed material Pending CN105973644A (en)

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Cited By (3)

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CN108184772A (en) * 2018-02-22 2018-06-22 中国农业科学院蜜蜂研究所 A kind of semi-automatic honeybee takes ovum device and egg-fetching method
CN113203597A (en) * 2021-04-21 2021-08-03 华能伊敏煤电有限责任公司汇流河热电分公司 Desulfurizing tower sampling device for thermal power plant
CN115389270A (en) * 2022-08-18 2022-11-25 中信重工机械股份有限公司 Material feeding detection sampling device and sampling method for vertical mill powder concentrator

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108184772A (en) * 2018-02-22 2018-06-22 中国农业科学院蜜蜂研究所 A kind of semi-automatic honeybee takes ovum device and egg-fetching method
CN108184772B (en) * 2018-02-22 2023-05-26 中国农业科学院蜜蜂研究所 Semi-automatic bee egg taking device and egg taking method
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CN115389270A (en) * 2022-08-18 2022-11-25 中信重工机械股份有限公司 Material feeding detection sampling device and sampling method for vertical mill powder concentrator
CN115389270B (en) * 2022-08-18 2024-04-26 中信重工机械股份有限公司 Feeding detection sampling device and sampling method for vertical mill powder concentrator

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Application publication date: 20160928