CN214793880U - Raw coal sampling device of coal-fired power plant - Google Patents

Raw coal sampling device of coal-fired power plant Download PDF

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Publication number
CN214793880U
CN214793880U CN202120107091.4U CN202120107091U CN214793880U CN 214793880 U CN214793880 U CN 214793880U CN 202120107091 U CN202120107091 U CN 202120107091U CN 214793880 U CN214793880 U CN 214793880U
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coal
sampling
pipe
sampling device
flange
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CN202120107091.4U
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Inventor
徐凯
姚胜
孟桂祥
吕春阳
程小明
王祝成
韩国庆
曹寿峰
梁昊
卿梦磊
王晖
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Xian Thermal Power Research Institute Co Ltd
Suzhou Xire Energy Saving Environmental Protection Technology Co Ltd
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Xian Thermal Power Research Institute Co Ltd
Suzhou Xire Energy Saving Environmental Protection Technology Co Ltd
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Abstract

The utility model provides a coal fired power plant raw coal sampling device, it is applicable to malleation and directly blows formula powder process system coal fired boiler raw coal sample, its sample convenient and fast, can not produce the pollution, and ensures that operator's is healthy. It includes the coal breakage pipe, be provided with a sampling hole on the vertical section of coal breakage pipe, the outside rigid coupling of sampling hole has the sampling hole flange, the periphery rigid coupling of sampling hole flange has the sampling device flange, the outside central axis position of sampling device flange has set firmly the sample barrel, the sample barrel perpendicular to the coal breakage pipe arranges, the central point of the outer terminal surface of sample barrel axial extension puts the cartridge and has gets coal dredging pipe, it is on a parallel with to get coal dredging pipe the sample barrel arranges, the axial outer end of getting coal dredging pipe is provided with the mediation handle, the axial inner of getting coal dredging pipe is provided with gets coal dredging head, it specifically includes outside conical body, inboard direction cambered surface to get coal dredging head.

Description

Raw coal sampling device of coal-fired power plant
Technical Field
The utility model relates to a technical field of raw coal sample specifically is a coal fired power plant raw coal sampling device.
Background
The important work of boiler thermal efficiency test when coal fired power plant goes into the raw coal of stove and takes a sample, for the accuracy of going into stove raw coal sample, prior art is the trompil sample of coal breakage pipe department at the feeder entry, and present structure is that direct deep trompil position then bare-handed sample through external equipment, because the raw coal sprays the transport, its easily through trompil position pollution all ring edge borders, and operating personnel very easily inhales the buggy granule, influence healthy.
Disclosure of Invention
To the problem, the utility model provides a coal fired power plant raw coal sampling device, it is applicable to malleation and directly blows formula powder process system coal fired boiler raw coal sample, its sample convenient and fast, can not produce the pollution, and ensures that operator's is healthy.
The utility model provides a coal fired power plant raw coal sampling device, its technical scheme is such, and it includes the coal breakage pipe, be provided with a thief hole on the vertical section of coal breakage pipe, its characterized in that: a sampling hole flange is fixedly connected to the outer side of the sampling hole, a sampling device flange is fixedly connected to the periphery of the sampling hole flange, a sampling cylinder body is fixedly arranged at the outer side central axis of the sampling device flange and is perpendicular to the coal dropping pipe, a coal taking dredging pipe is inserted into the central position of the outer end face of the sampling cylinder body extending axially and is arranged in parallel to the sampling cylinder body, a dredging handle is arranged at the outer end of the coal taking dredging pipe in the axial direction, a coal taking dredging head is arranged at the inner end of the coal taking dredging pipe in the axial direction and comprises an outer side conical body and an inner side guide arc surface, the length of the coal taking conveying pipe is larger than the sum of the axial lengths of the sampling hole flange, the sampling device flange and the sampling cylinder body, a lower convex interface is arranged at the bottom of the inner side of the outer end face of the sampling cylinder body in the axial direction, and the upper connecting end of the collecting tank is connected with the lower convex interface, the axial front end position of sample barrel still installs the knife gate valve, the knife gate valve is closed when the sample passageway of sample barrel, get the coal mediation head and withdraw to the relative axial outside region of the sample barrel of knife gate valve.
It is further characterized in that:
a sealing element is fixedly arranged on the inner wall of the outer end surface of the sampling cylinder body at a position corresponding to the coal taking dredging pipe, and a corresponding section of the coal taking dredging pipe is inserted into a central hole of the sealing element and axially reciprocates;
a limiting piece is arranged at the axial direction of the coal taking dredging pipe close to the front end of the coal dropping pipe, and the limiting piece and the corresponding end surface of the sealing piece are stopped to ensure that the inner side guide cambered surface guides the sampled raw coal into the collecting tank;
an exhaust port is arranged at the upper part of the sampling cylinder body corresponding to the axial position of the collecting tank, and a filtering device is arranged at the exhaust port cover to ensure that the gas exhausted into the environment does not damage the body health of an operator;
the sampling hole flange is fixedly connected with a corresponding outer ring of the sampling device flange through a connecting bolt and a nut which are annularly distributed;
the sampling device flange, the coal taking dredging head, the limiting piece, the coal taking dredging pipe and the coal taking handle are all made of stainless steel;
the filter device is made of dense stainless steel mesh or ceramic filter materials, and prevents raw coal powder from being sprayed out;
an observation window is arranged on the periphery of the outer ring of the collection tank, a transparent glass plate is covered on the observation window, and an operator observes the collection condition of the raw coal sample in real time through the transparent glass plate;
the sampling cylinder is made of stainless steel;
the sampling cylinder is made of transparent acrylic materials, so that the raw coal sampling condition can be observed conveniently in real time;
the lower convex interface is specifically a lower convex threaded interface, and the upper connecting end of the collecting tank is in threaded connection with the lower convex threaded interface.
After the utility model is adopted, the sampling hole flange and the sampling device flange are fixed and sealed before sampling, the knife-shaped gate valve is closed, the collecting tank and the filtering device are installed on the sampling cylinder, the coal taking dredging head is moved to one side of the knife-shaped gate valve, which is far away from the coal dropping pipe, during sampling, the knife-shaped gate valve is opened, and the dredging handle is moved axially left and right, so that a raw coal sample enters the collecting tank after passing through the sampling cylinder; after the single sample, take off the collection tank, collect the raw coal sample to the particular position, according to the experimental raw coal sample time interval requirement of performance, can repeatedly take a sample during the performance test, because it specifically includes the outside conical body to get coal mediation head, the inboard direction cambered surface, outside conical body and the convenient mediation sampling pipe of inboard direction cambered surface when moving towards the coal breakage pipe, the inboard direction cambered surface gets into the collection tank with higher speed raw coal sample when moving towards the collection tank, it is applicable to the sampling of malleation direct-blowing coal-fired boiler of powder process system, its sample convenient and fast, can not produce the pollution, and ensure that operator's is healthy.
Drawings
FIG. 1 is a schematic diagram of the front view structure of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the coal sampler comprises a coal dropping pipe 1, a sampling hole 2, a sampling hole flange 3, a sampling device flange 4, a sampling cylinder 5, a coal taking dredging pipe 6, a dredging handle 7, a coal taking dredging head 8, an outer side conical body 81, an inner side guide arc surface 82, a lower convex threaded interface 9, a collecting tank 10, a knife gate valve 11, a sealing element 12, a limiting piece 13, an exhaust port 14, a filtering device 15, a connecting bolt 16, a nut 17 and a transparent glass plate 18.
Detailed Description
A coal-fired power plant raw coal sampling device is shown in figure 1: the coal sampling device comprises a coal dropping pipe 1, a sampling hole 2 is arranged on the vertical section of the coal dropping pipe 1, a sampling hole flange 3 is fixedly connected to the outer side of the sampling hole 2, a sampling device flange 4 is fixedly connected to the periphery of the sampling hole flange 3, a sampling cylinder 5 is fixedly arranged at the outer side central axis of the sampling device flange 4, the sampling cylinder 5 is arranged perpendicular to the coal dropping pipe 1, a coal taking dredging pipe 6 is inserted into the central position of the axially extending outer end face of the sampling cylinder 5, the coal taking dredging pipe 6 is arranged parallel to the sampling cylinder 5, a dredging handle 7 is arranged at the axial outer end of the coal taking pipe 6, a coal taking dredging head 8 is arranged at the axial inner end of the coal taking pipe 6, the coal taking dredging head 8 specifically comprises an outer side conical body 81 and an inner side guiding arc face 82, the length of the coal taking conveying pipe 6 is greater than the sum of the axial lengths of the sampling hole flange 3, the sampling device flange 4 and the sampling cylinder 5, a lower convex screw thread interface 9 is arranged at the axial inner bottom of the outer end face of the sampling cylinder 5, the upper connecting end of the collecting tank 10 is in threaded connection with the lower convex threaded connector 9, the knife-shaped gate valve 11 is further installed at the axial front end of the sampling cylinder 5, and when the knife-shaped gate valve 11 closes the sampling channel of the sampling cylinder 5, the coal taking dredging head 8 retracts to the relative axial outer side area of the sampling cylinder 5 of the knife-shaped gate valve 11.
A sealing element 12 is fixedly arranged on the inner wall of the outer end surface of the sampling cylinder 5 at a position corresponding to the coal taking dredging pipe, and the corresponding section of the coal taking dredging pipe 6 is inserted into a central hole of the sealing element 12 and axially reciprocates;
the axial direction of the coal taking dredging pipe 6 close to the front end of the coal dropping pipe 1 is provided with a limiting piece 13, the limiting piece 13 and the corresponding end surface of the sealing element 12 are stopped, and the inner side guide cambered surface 82 is ensured to guide the sampling raw coal into the collecting tank 10;
the upper part of the sampling cylinder body 5 corresponding to the axial position of the collecting tank 10 is provided with an exhaust port 14, and the exhaust port 14 is covered with a filtering device 15 to ensure that the gas exhausted into the environment does not damage the body health of an operator;
the sampling hole flange 3 is fixedly connected with a corresponding outer ring of the sampling device flange 4 through a connecting bolt 16 and a nut 17 which are annularly distributed;
the sampling device flange 4, the coal taking dredging head 8, the limiting piece 13, the coal taking dredging pipe 6 and the coal taking handle 7 are all made of stainless steel;
the filtering device 15 body is made of dense stainless steel mesh or ceramic filtering material to prevent raw coal powder from being sprayed out;
an observation window is arranged on the periphery of the collecting tank 10, a transparent glass plate 18 is covered on the observation window, and an operator observes the collecting condition of the raw coal sample in real time through the transparent glass plate 18;
the sampling cylinder 5 is made of stainless steel or transparent acrylic material.
During the concrete implementation, the material of sample barrel 5 specifically is transparent ya keli material, is convenient for observe raw coal sample situation in real time.
After the utility model is adopted, the sampling hole flange and the sampling device flange are fixed and sealed before sampling, the knife-shaped gate valve is closed, the collecting tank and the filtering device are installed on the sampling cylinder, the coal taking dredging head is moved to one side of the knife-shaped gate valve, which is far away from the coal dropping pipe, during sampling, the knife-shaped gate valve is opened, and the dredging handle is moved axially left and right, so that a raw coal sample enters the collecting tank after passing through the sampling cylinder; after the single sample, take off the collection tank, collect the raw coal sample to the particular position, according to the experimental raw coal sample time interval requirement of performance, can repeatedly take a sample during the performance test, because it specifically includes the outside conical body to get coal mediation head, the inboard direction cambered surface, outside conical body and the convenient mediation sampling pipe of inboard direction cambered surface when moving towards the coal breakage pipe, the inboard direction cambered surface gets into the collection tank with higher speed raw coal sample when moving towards the collection tank, it is applicable to the sampling of malleation direct-blowing coal-fired boiler of powder process system, its sample convenient and fast, can not produce the pollution, and ensure that operator's is healthy.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a coal fired power plant raw coal sampling device, its includes the coal breakage pipe, be provided with a thief hole on the vertical section of coal breakage pipe, its characterized in that: a sampling hole flange is fixedly connected to the outer side of the sampling hole, a sampling device flange is fixedly connected to the periphery of the sampling hole flange, a sampling cylinder body is fixedly arranged at the outer side central axis of the sampling device flange and is perpendicular to the coal dropping pipe, a coal taking dredging pipe is inserted into the central position of the outer end face of the sampling cylinder body extending axially and is arranged in parallel to the sampling cylinder body, a dredging handle is arranged at the outer end of the coal taking dredging pipe in the axial direction, a coal taking dredging head is arranged at the inner end of the coal taking dredging pipe in the axial direction and comprises an outer side conical body and an inner side guide arc surface, the length of the coal taking conveying pipe is larger than the sum of the axial lengths of the sampling hole flange, the sampling device flange and the sampling cylinder body, a lower convex interface is arranged at the bottom of the inner side of the outer end face of the sampling cylinder body in the axial direction, and the upper connecting end of the collecting tank is connected with the lower convex interface, a knife-shaped gate valve is further mounted at the axial front end of the sampling cylinder, and when the knife-shaped gate valve closes the sampling channel of the sampling cylinder, the coal taking dredging head retracts to the relative axial outer side area of the sampling cylinder of the knife-shaped gate valve;
a sealing element is fixedly arranged on the inner wall of the outer end surface of the sampling cylinder body at a position corresponding to the coal taking dredging pipe, and a corresponding section of the coal taking dredging pipe is inserted into a central hole of the sealing element and axially reciprocates;
the axial direction of the coal taking dredging pipe is provided with a limiting piece close to the front end of the coal dropping pipe;
the upper part of the sampling cylinder body, which corresponds to the axial position of the collecting tank, is provided with an exhaust port, and the exhaust port is covered with a filtering device.
2. The coal fired power plant raw coal sampling device of claim 1, wherein: and the sampling hole flange is fixedly connected with the corresponding outer ring of the sampling device flange through a connecting bolt and a nut which are annularly distributed.
3. The coal fired power plant raw coal sampling device of claim 1, wherein: the sampling device flange, the coal taking dredging head, the limiting piece, the coal taking dredging pipe and the coal taking handle are all made of stainless steel.
4. The coal fired power plant raw coal sampling device of claim 1, wherein: the filter device is made of compact stainless steel mesh or ceramic filter material.
5. The coal fired power plant raw coal sampling device of claim 1, wherein: an observation window is arranged on the periphery of the collecting tank, and a transparent glass plate is covered on the observation window.
6. The coal fired power plant raw coal sampling device of claim 1, wherein: the material of sample barrel specifically is stainless steel or transparent ya keli material.
7. The coal fired power plant raw coal sampling device of claim 1, wherein: the lower convex interface is specifically a lower convex threaded interface, and the upper connecting end of the collecting tank is in threaded connection with the lower convex threaded interface.
CN202120107091.4U 2021-01-15 2021-01-15 Raw coal sampling device of coal-fired power plant Active CN214793880U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120107091.4U CN214793880U (en) 2021-01-15 2021-01-15 Raw coal sampling device of coal-fired power plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120107091.4U CN214793880U (en) 2021-01-15 2021-01-15 Raw coal sampling device of coal-fired power plant

Publications (1)

Publication Number Publication Date
CN214793880U true CN214793880U (en) 2021-11-19

Family

ID=78747425

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120107091.4U Active CN214793880U (en) 2021-01-15 2021-01-15 Raw coal sampling device of coal-fired power plant

Country Status (1)

Country Link
CN (1) CN214793880U (en)

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