CN211365878U - Detection device for coal components of full coal flow - Google Patents
Detection device for coal components of full coal flow Download PDFInfo
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- CN211365878U CN211365878U CN201921828811.5U CN201921828811U CN211365878U CN 211365878 U CN211365878 U CN 211365878U CN 201921828811 U CN201921828811 U CN 201921828811U CN 211365878 U CN211365878 U CN 211365878U
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Abstract
The utility model discloses a detection apparatus for be used for full coal flow coal composition relates to coal composition detection device field. The utility model comprises a bottom plate, a stirring tank, a coal component measuring and protecting tank and a spectrum analyzing device; the top end of the supporting column is transversely provided with an intermittent automatic sampling device, and the intermittent automatic sampling device comprises a sliding chute, a sampling cylinder, a lifting round plug, a push rod, a first telescopic oil cylinder and a second telescopic oil cylinder. The utility model discloses can carry out the component to transporting the full coal flow coal of different positions on the conveyer and detect after carrying out intermittent type formula sample and misce bene, adopt automatic control means when taking a sample to full coal flow coal to the sample of intermittent type formula, guaranteed accuracy, high efficiency and the automation that full coal flow coal component detected, avoided single position sample detection's not accurate problem, and adopt spectral analysis's method, it is more accurate and high-efficient to the detection of coal component.
Description
Technical Field
The utility model belongs to coal composition detection device field especially relates to a detection device for full coal flows coal composition.
Background
The power plant coal management and coal quality inspection level in China is relatively original, particularly in the aspect of detection of coal as entered into a plant and coal as fired, the traditional manual sampling and laboratory analysis methods are generally adopted to carry out off-line analysis on coal samples at present, the representativeness of sampling and sample preparation is poor, the analysis speed is slow, real-time data cannot be provided, the quality detection of power generation coal and the evaluation of contract coal are severely restricted, the economic loss is extremely remarkable, in the production and use process of coal, because of the lack of necessary coal quality component on-line detection means, a large amount of coal is utilized blindly, on one hand, a large amount of high-quality coal is used inefficiently and does not play a larger role, on the other hand, in places needing high-quality coal, and because of the inaccuracy and the untimely detection of the coal quality, the use of the low-grade coal which should not be used brings hidden troubles to production and equipment, and even causes serious equipment damage and environmental pollution. Therefore, aiming at the problems existing in the production and the use of the coal in China at present, the on-line coal component detection device is developed and developed, and the device has very important effects on enhancing the reasonable utilization capacity of the coal resources in China, improving the production benefit, reducing the energy consumption, reducing the production equipment accidents and improving the atmospheric environment. The full coal flow coal is an important form in the process of conveying the coal, and how to carry out on-line efficient coal component analysis while efficiently conveying the coal, so that accurate coal components can be automatically obtained in real time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a detection apparatus for be used for full coal flow coal composition, can carry out the component to transporting to carry out after the full coal flow coal of different positions on the conveyer carries out intermittent type formula sample and misce bene and detects, adopt automatic control means when taking a sample to full coal flow coal, and carry out the sample of intermittent type formula, the accuracy that full coal flow coal composition detected has been guaranteed, high efficiency and automation, single position sample detection's inaccurate problem has been avoided, and adopt spectral analysis's method, it is more accurate and high-efficient to the detection of coal composition.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model discloses a detection device for coal composition of full coal flow, which comprises a bottom plate transversely arranged below a belt conveyor, an agitator tank fixedly arranged on the upper surface of the bottom plate, a coal composition measuring and protecting tank connected with the agitator tank through an inclined pipeline, and spectrum analysis equipment connected with the coal composition measuring and protecting tank;
the stirring tank, the coal component measuring and protecting tank and the spectrum analyzing equipment are arranged on the bottom plate and are positioned on the same side of the belt conveyor, and the stirring tank is arranged on the side part close to the belt conveyor;
the intermittent automatic sampling device comprises a sliding chute which is transversely arranged at the top end of the supporting column and has a semicircular section, a sampling cylinder which is in sliding fit with the sliding chute, a push rod which is arranged in the sampling cylinder and has one end provided with a lifting round plug attached to the inner wall of the sampling cylinder, a first telescopic oil cylinder which is transversely arranged at the outer top of the sampling cylinder, a second telescopic oil cylinder which is transversely arranged at the outer bottom of the sliding chute, a first connecting block which is arranged at the outer end part of the push rod and is fixedly connected with the end part of a first lifting rod of the first telescopic oil cylinder, and a second connecting block which is arranged at the outer end part of the sampling cylinder and is fixedly connected with the end part of a second lifting rod of the second telescopic oil cylinder;
the control cabinet is electrically connected with a driving motor of the belt conveyor, the first telescopic oil cylinder, the second telescopic oil cylinder and the stirring tank.
Further, the periphery lateral part of sampler barrel transversely is provided with a plurality of spacing sand grips.
Furthermore, the inner side of the sliding groove is transversely provided with a limiting dovetail groove in limiting fit with the limiting convex strip.
Further, a stirrer is installed in the stirring tank, and a rotating motor connected with the stirrer in a driving mode is installed at the bottom of the stirring tank.
Further, the stirring tank and the coal composition measuring and protecting tank are fixedly installed on the bottom plate through the first supporting leg and the second supporting leg respectively.
Furthermore, the coal component measuring and protecting tank is electrically connected with the spectrum analysis equipment through an electronic signal lead.
The utility model discloses following beneficial effect has:
the utility model discloses can carry out the component to transporting the full coal flow coal of different positions on the conveyer and detect after carrying out intermittent type formula sample and misce bene, adopt automatic control means when taking a sample to full coal flow coal to the sample of intermittent type formula, guaranteed accuracy, high efficiency and the automation that full coal flow coal component detected, avoided single position sample detection's not accurate problem, and adopt spectral analysis's method, it is more accurate and high-efficient to the detection of coal component.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an installation structure of a detection device for coal composition of a full coal flow and a belt conveyor of the present invention;
FIG. 2 is a schematic view of the structure at view A in FIG. 1;
FIG. 3 is a right side view of the structure of FIG. 1;
FIG. 4 is a top view of the structure of FIG. 1;
FIG. 5 is a schematic view of the chute of FIG. 1;
FIG. 6 is a schematic structural diagram of the batch-type automatic sampling apparatus of FIG. 1;
FIG. 7 is a right side view of the structure of FIG. 6;
FIG. 8 is a cross-sectional view of the construction of the withdrawal chimney;
fig. 9 is a schematic system diagram of a device for detecting coal composition in a full coal flow according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-stirring tank, 101-stirrer, 102-inclined pipeline, 103-first supporting leg, 104-rotating motor, 2-coal component measuring and protecting tank, 201-second supporting leg, 3-spectrum analysis equipment, 301-electronic signal lead, 4-control cabinet, 5-supporting column, 501-sliding chute, 5011-limiting dovetail groove, 6-second telescopic oil cylinder, 601-second lifting rod, 7-sampling cylinder, 701-second connecting block, 702-push rod, 7021-first connecting block, 703-lifting round plug, 704-limiting convex strip, 8-first telescopic oil cylinder, 801-first lifting rod, 9-belt conveyor, 901-driving motor and 10-bottom plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "lateral," "lower," "upper surface," "one side," "top," "cross-section," "vertical," "other side," "outer bottom," "bottom," and the like are used in an orientation or positional relationship, merely to facilitate description of the invention and to simplify description, and are not intended to indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
Referring to fig. 1-8, a device for detecting coal composition of a full coal stream according to the present invention includes a bottom plate 10 transversely disposed below a belt conveyor 9, an agitator tank 1 fixedly mounted on an upper surface of the bottom plate 10, a coal composition measuring and protecting tank 2 connected to the agitator tank 1 via an inclined pipe 102, and a spectrum analyzing apparatus 3 connected to the coal composition measuring and protecting tank 2; the stirring tank 1, the coal component measuring and protecting tank 2 and the spectrum analyzing equipment 3 are arranged on the bottom plate 10 and positioned on the same side of the belt conveyor 9, and the stirring tank 1 is arranged on the side part close to the belt conveyor 9;
a supporting column 5 and a control cabinet 4 are vertically arranged on the other side of the bottom plate 10 positioned on the belt conveyor 9, an intermittent automatic sampling device is transversely arranged at the top end of the supporting column 5, the intermittent automatic sampling device comprises a sliding chute 501 which is transversely arranged at the top end of a support pillar 5 and has a semicircular section, a sampling cylinder 7 which is in sliding fit with the sliding chute 501, a push rod 702 which is arranged in the sampling cylinder 7 and one end of which is provided with a lifting round plug 703 attached to the inner wall of the sampling cylinder 7, a first telescopic oil cylinder 8 which is transversely arranged at the outer top of the sampling cylinder 7, a second telescopic oil cylinder 6 which is transversely arranged at the outer bottom of the sliding chute 501, a first connecting block 7021 which is arranged at the outer end part of the push rod 702 and is fixedly connected with the end part of a first lifting rod 801 of the first telescopic oil cylinder 8, and a second connecting block 701 which is arranged at the outer end part of the sampling cylinder 7 and is fixedly connected with the end part of a second;
the control cabinet 4 is electrically connected with the driving motor 901 of the belt conveyor 9, the first telescopic oil cylinder 8, the second telescopic oil cylinder 6 and the stirring tank 1.
Wherein, the peripheral lateral part of the sampling tube 7 is transversely provided with three limit convex strips 704.
The inner side of the sliding groove 501 is transversely provided with a limit dovetail slot 5011 which is in limit fit with the limit raised line 704.
Wherein, install agitator 101 in agitator tank 1, the bottom of agitator tank 1 is installed with the rotating electrical machines 104 that links to each other with agitator 101 drive.
Wherein, agitator tank 1 and coal composition measurement and protection jar 2 are respectively through first supporting leg 103, second supporting leg 201 fixed mounting on bottom plate 10.
Wherein, the coal composition measuring and protecting tank 2 is electrically connected with the spectrum analyzing equipment 3 through an electronic signal lead 301.
As shown in fig. 9, a shielding protection body is arranged on the top of a coal composition measuring and protecting tank 2, a moderating body for bearing a coal sample to be detected is arranged in the coal composition measuring and protecting tank, a neutron generator is arranged right below the moderating body, an inclined pipeline 102 extends into the coal composition measuring and protecting tank 2 from a stirring tank 1, a discharge port of the inclined pipeline is positioned right above the moderating body, a detector is arranged right above the coal composition measuring and protecting tank 2, electronic signals and data detected by the detector are transmitted to a spectrum analysis device through an electronic signal lead 301, the spectrum analysis device 3 comprises a gamma energy spectrum analysis unit, a measuring device monitoring unit, a neutron generator control unit, a power supply unit, a moisture detection unit, a display unit, a spectrum analysis unit, an element composition analysis unit, an industrial composition analysis unit and an optimization operation unit, the electronic signal lead 301 is electrically connected with the gamma energy spectrum analysis unit, the gamma energy spectrum analysis unit is electrically connected with the spectrum analysis unit, and the moisture detection unit is electrically connected with the industrial component analysis unit; the operating principle of the spectrum analysis device 3 is: the neutron activation analysis technology is based on the process of neutron and atomic nucleus reaction, when a thermal neutron or fast neutron strikes an atomic nucleus, the neutron is absorbed by the nucleus, the nucleus is in an excitation state, a gamma photon is emitted quickly, the nucleus is restored to a stable ground state, the reaction of the neutron and the nuclide has various modes, and the reaction capable of generating prompt gamma rays mainly comprises thermal neutron capture reaction and inelastic scattering reaction. The thermal neutron capture reaction mainly occurs in a thermal neutron area, a nucleus generated by the reaction is in a high excitation state, excited nuclides can emit multiple gamma rays in the process of de-excitation, spectral lines which are high in yield and are not interfered by other gamma rays can be selected as characteristic gamma rays, inelastic scattering reaction is threshold energy reaction and only occurs in a fast neutron energy range, most nuclei generated by the inelastic scattering reaction are in a first excitation state and often emit characteristic gamma rays with single energy, each determined nuclide emits gamma rays with certain characteristic energy according to a certain discipline, and the nuclide and the content of the nuclide existing in a detected medium can be determined according to the energy and the intensity of the characteristic gamma rays. The coal quality component on-line monitoring device is based on the mechanism, utilizes 10 elements such as hydrogen, nitrogen, sulfur, aluminum, silicon, iron, calcium, titanium, sodium, potassium and the like in the coal to be analyzed by thermal neutron capture reaction, and utilizes fast neutron inelastic scattering reaction to analyze carbon and nitrogen elements in the coal, thereby realizing the all-element analysis of the coal quality.
The utility model discloses a theory of operation is:
the full coal flow is transmitted on the belt conveyor 9, the intermittent automatic sampling device positioned at one side of the bottom plate 10 intermittently samples the full coal flow on the belt conveyor 9 through the first telescopic oil cylinder 8, the second telescopic oil cylinder 6 driving the sampling cylinder 7 and the lifting round plug 703 arranged in the sampling cylinder 7, when the sampling cylinder 7 is pushed forwards for sampling, the driving motor 901 stops rotating for a short time, so that the pushing round plug 703 in the sampling cylinder 7 conveys the taken coal sample to be detected into the stirring tank 1, and the sampled coal does not fall off, the coal at different transmission positions is fed into the stirring tank 1 for sequential sampling, the stirrer 101 is used for stirring uniformly, and performing spectral analysis, element analysis and industrial analysis on the uniformly sampled coal through a detector, a neutron generator and spectral analysis equipment to finish the component detection of the coal of the whole coal flow.
The utility model discloses can carry out the component to transporting the full coal flow coal of different positions on the conveyer 9 and detect after carrying out intermittent type formula sample and misce bene, adopt automatic control means when taking a sample to full coal flow coal to the sample of intermittent type formula, guaranteed accuracy, high efficiency and the automation that full coal flow coal component detected, avoided single position sample detection's not accurate problem, and adopt spectral analysis's method, it is more accurate and high-efficient to the detection of coal component.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a detection apparatus for be used for full coal stream coal composition, includes transversely sets up in bottom plate (10) of belt conveyor (9) below, fixed mounting in agitator tank (1) of bottom plate (10) upper surface, the coal composition that links to each other through oblique pipeline (102) with agitator tank (1) measures and protective tank (2), spectrum analysis equipment (3) that link to each other with coal composition measurement and protective tank (2), its characterized in that:
the stirring tank (1), the coal component measuring and protecting tank (2) and the spectrum analyzing equipment (3) are arranged on the bottom plate (10) and located on the same side of the belt conveyor (9), and the stirring tank (1) is arranged on the side close to the belt conveyor (9);
the other side that lies in belt conveyor (9) on bottom plate (10) is provided with support column (5) and switch board (4) perpendicularly, support column (5) top transversely is provided with an intermittent type formula automatic sampling device, intermittent type formula automatic sampling device is including transversely setting up cross-section on support column (5) top for semicircular ring's spout (501), sliding fit sampler barrel (7) on spout (501), set up in sampler barrel (7) and one end be provided with push rod (702) of lifting round stopper (703) of laminating mutually with sampler barrel (7) inner wall, transversely set up first flexible hydro-cylinder (8) at sampler barrel (7) outer top, transversely set up second flexible hydro-cylinder (6) of spout (501) outer bottom, set up in the outer tip of push rod (702) and with first connecting block (7021) end fixing of first lift rod (801) end fixing of first flexible hydro-cylinder (8) and link to each other, The second connecting block (701) is arranged at the outer end part of the sampling cylinder (7) and is fixedly connected with the end part of a second jacking rod (601) of the second telescopic oil cylinder (6);
the control cabinet (4) is electrically connected with a driving motor (901) of the belt conveyor (9), the first telescopic oil cylinder (8), the second telescopic oil cylinder (6) and the stirring tank (1).
2. The device for detecting the coal composition of the whole coal flow as claimed in claim 1, wherein the lateral part of the periphery of the sampling cylinder (7) is transversely provided with a plurality of limiting ribs (704).
3. The device for detecting the coal composition of the whole coal flow according to claim 1, wherein a limiting dovetail groove (5011) matched with the limiting convex strip (704) in a limiting way is transversely formed in the inner side part of the sliding chute (501).
4. The detection device for the coal composition of the whole coal flow is characterized in that a stirrer (101) is installed in the stirring tank (1), and a rotating motor (104) in driving connection with the stirrer (101) is installed at the bottom of the stirring tank (1).
5. The detection device for the coal composition of the total coal flow according to claim 1, wherein the stirring tank (1) and the coal composition measuring and protecting tank (2) are fixedly installed on the bottom plate (10) through a first supporting leg (103) and a second supporting leg (201) respectively.
6. The detection device for coal composition of full coal flow according to claim 1, characterized in that the coal composition measuring and protecting tank (2) is electrically connected with the spectrum analyzing equipment (3) through an electronic signal wire (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828811.5U CN211365878U (en) | 2019-10-29 | 2019-10-29 | Detection device for coal components of full coal flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828811.5U CN211365878U (en) | 2019-10-29 | 2019-10-29 | Detection device for coal components of full coal flow |
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| Publication Number | Publication Date |
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| CN211365878U true CN211365878U (en) | 2020-08-28 |
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| CN201921828811.5U Expired - Fee Related CN211365878U (en) | 2019-10-29 | 2019-10-29 | Detection device for coal components of full coal flow |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173551A (en) * | 2020-09-16 | 2021-01-05 | 张佳 | Automatic belt conveying coal sampling device |
| CN113465976A (en) * | 2021-06-28 | 2021-10-01 | 天津泰来伟业科技有限公司 | Iron and steel smelting is with sending appearance device with sample function |
| CN115724150A (en) * | 2022-10-21 | 2023-03-03 | 华能国际电力股份有限公司上海石洞口第二电厂 | Precise coal type confirmation system established on digital twin system and applying RFID (radio frequency identification) label |
-
2019
- 2019-10-29 CN CN201921828811.5U patent/CN211365878U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173551A (en) * | 2020-09-16 | 2021-01-05 | 张佳 | Automatic belt conveying coal sampling device |
| CN112173551B (en) * | 2020-09-16 | 2023-06-09 | 新疆工程学院 | Automatic belt conveying coal sampling device |
| CN113465976A (en) * | 2021-06-28 | 2021-10-01 | 天津泰来伟业科技有限公司 | Iron and steel smelting is with sending appearance device with sample function |
| CN115724150A (en) * | 2022-10-21 | 2023-03-03 | 华能国际电力股份有限公司上海石洞口第二电厂 | Precise coal type confirmation system established on digital twin system and applying RFID (radio frequency identification) label |
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