CN210774835U - Raw coal sampling system - Google Patents

Raw coal sampling system Download PDF

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Publication number
CN210774835U
CN210774835U CN201921588413.0U CN201921588413U CN210774835U CN 210774835 U CN210774835 U CN 210774835U CN 201921588413 U CN201921588413 U CN 201921588413U CN 210774835 U CN210774835 U CN 210774835U
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CN
China
Prior art keywords
pipe
tube
stirring rod
section
hose
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201921588413.0U
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Chinese (zh)
Inventor
徐民
孙超
吴万范
张旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Datang Boiler Pressure Vessel Examination Center Co Ltd
East China Electric Power Test Institute of China Datang Corp Science and Technology Research Institute Co Ltd
Original Assignee
Datang Boiler Pressure Vessel Examination Center Co Ltd
East China Electric Power Test Institute of China Datang Corp Science and Technology Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Datang Boiler Pressure Vessel Examination Center Co Ltd, East China Electric Power Test Institute of China Datang Corp Science and Technology Research Institute Co Ltd filed Critical Datang Boiler Pressure Vessel Examination Center Co Ltd
Priority to CN201921588413.0U priority Critical patent/CN210774835U/en
Application granted granted Critical
Publication of CN210774835U publication Critical patent/CN210774835U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a raw coal sampling system, which comprises a coal feeding pipe and a stirring rod; one side of the coal feeding pipe is communicated with a sampling pipe; the sampling tube comprises an inclined tube and a vertical tube arranged below the inclined tube; the higher end of the inclined pipe is connected to one side of the lower coal pipe; the lower end of the inclined pipe is communicated with the vertical pipe; a stirring rod which is coaxial with the inclined tube is arranged in the inclined tube; one end of the stirring rod is fixed on the vertical pipe; the inclined tube comprises a section of flexible tube which can move freely; the stirring rod passes the hose, the beneficial effects of the utility model: not only can prevent that the sampling tube from blockking up, can prevent moreover that the fixed department of stirring rod from taking place the splash of buggy.

Description

Raw coal sampling system
Technical Field
The utility model relates to a raw coal sampling technical field specifically is a raw coal sampling system.
Background
When a coal-fired power plant is used for a boiler efficiency test, the coal quality characteristics of raw coal entering a hearth need to be monitored in real time. Therefore, a sampling operation of raw coal is required. The reference with publication number CN204027864U discloses a portable raw coal sampling device, and its background art section introduces two existing raw coal sampling measures, which both fail to solve the technical problems of splashing on the upper sampling port of the lower coal pipe and easy blockage of the lower coal pipe.
Although the technical solution disclosed in the reference solves the two technical problems to some extent, a new technical problem is also generated, specifically: the dredging rod that the contrast file used need dredge the stick in the external operation of sampling tube when dredging the sampling tube, therefore, set up the shaft hole of installation dredging rod on the sampling tube, and dredge the stick and can be rotation motion in the shaft hole, do rotation motion for a long time, can lead to the sealed effect of shaft hole department to reduce, and the buggy can spout the spill from shaft hole department when entering into the sampling tube.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: how to provide a raw coal sampling system that guarantees the unobstructed and pulverized coal splash of preventing the stirring rod and the junction of sampling tube from taking place of sampling tube.
In order to solve the technical problem, the utility model provides a following technical scheme: a raw coal sampling system comprises a coal feeding pipe and a stirring rod; one side of the coal feeding pipe is communicated with a sampling pipe;
the sampling tube comprises an inclined tube and a vertical tube arranged below the inclined tube; the higher end of the inclined pipe is connected to one side of the lower coal pipe; the lower end of the inclined pipe is communicated with the vertical pipe; a stirring rod which is coaxial with the inclined tube is arranged in the inclined tube; one end of the stirring rod is fixed on the vertical pipe;
the inclined tube comprises a section of flexible tube which can move freely; the stirring rod passes through the hose.
In the buggy sample, use the hose whole as the axle center for two sections relative motion takes place around the hose, and then make one section of being connected with the lower end of hose take place the displacement with the stirring rod, form the state of "stirring" buggy, in order to be used for dredging the sampling tube, compare the sampling tube that mentions in the background art, the utility model discloses, the stirring rod is fixed on the standpipe, need not to operate the stirring rod motion and comes to stir the sampling tube is inside, and then guarantees the sealed effect of stirring rod and standpipe fixed point, prevents the buggy spill from this place.
Preferably, the hose is provided at a middle portion of the chute; the inclined tube also comprises a first section of tube and a second section of tube; the higher end of the first section of pipe is communicated with the lower end of the hose; the lower end of the second section of pipe is communicated with the upper end of the hose; the lower end of the first section of pipe is communicated with the vertical pipe; the higher end of the second section of pipe is connected to one side of the lower coal pipe.
Preferably, the hose is provided at an end of the chute.
Preferably, the inclined pipe further comprises a first section of pipe, and the higher end of the hose is communicated with the coal discharging pipe.
Preferably, the inclined pipe also comprises a second section of pipe, and the lower end of the inclined pipe is communicated with the vertical pipe.
Preferably, one end of the stirring rod penetrates out of the vertical pipe; a fixed block is fixed on the penetrating end of the stirring rod; the fixed block is fixed on the outer wall of the vertical pipe through bolts.
The bolt on the fixing block is removed, the fixing of the stirring rod is removed, the penetrating end of the stirring rod is manually held, the stirring rod is pulled out from the inclined tube, the stirring rod is convenient to use for a long time, and the stirring rod is timely replaced when damaged.
Preferably, the vertical pipe is provided with a through mounting hole; the stirring rod penetrates through the mounting hole; and a sealing gasket is sleeved between the mounting hole and the stirring rod. The sealing effect of the stirring rod mounting hole is ensured, and the pulverized coal is prevented from being sprayed out from the stirring rod mounting hole.
Preferably, the inclined angle of the inclined tube ranges from 30 degrees to 60 degrees. The pulverized coal falls along the tube pass of the inclined tube, so that the pulverized coal is convenient to sample.
Preferably, a ball valve is arranged on the vertical pipe. The opening and closing degree of the vertical pipe is controlled through the ball valve, so that the sampling progress of the pulverized coal is conveniently controlled.
In the coal powder sampling, the first section of pipe or the vertical pipe is held by hand, the connection part of the hose and the second section of pipe is used as the center of a circle, the first section of pipe or the vertical pipe is shaken, so that the first section of pipe, the hose and the stirring rod are displaced, and a state of stirring coal powder is formed, so that the sampling pipe is dredged, compared with the sampling pipe mentioned in the background technology, the stirring rod is fixed on the vertical pipe and is fixed on the fixed point without relative movement with the vertical pipe, the sealing effect of the fixed point can be further ensured, the coal powder is prevented from being splashed out from the fixed point, and meanwhile, the stirring rod is inserted into the inclined pipe when the sampling is not carried out, so that the excessive bending of the hose can be prevented, and the relative rotation amplitude of the first section of pipe and the second section of pipe at the hose is-15; while being able to pass through the ball valve.
Compared with the prior art, the beneficial effects of the utility model are that:
A. the stirring rod moves relatively in the sampling pipe by shaking the hose, so that the stirring effect is achieved, and the blockage of the pulverized coal in the sampling pipe is prevented; the stirring rod is fixed on the standpipe simultaneously, need not to operate the stirring rod motion and comes to stir the sampling tube inside, and then guarantees the sealed effect of stirring rod and standpipe fixed point, prevents the buggy spill from this department.
B. The pulverized coal falls along the tube pass of the inclined tube, so that the sampling of the pulverized coal is facilitated; the opening and closing degree of the vertical pipe is controlled through the arranged ball valve, so that the sampling progress of the pulverized coal is conveniently controlled; the stirring rod is fixed through the bolt on the fixing block, so that the stirring rod is convenient to detach and replace; and a sealing gasket is sleeved between the mounting hole and the stirring rod. The sealing effect of the stirring rod mounting hole is ensured, and the pulverized coal is prevented from being sprayed out from the stirring rod mounting hole.
Drawings
Fig. 1 is a schematic cross-sectional view of a sampling tube according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a sampling tube according to a second embodiment of the present invention;
fig. 3 is an enlarged schematic view of the area a in fig. 2 according to the present invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Example one
Referring to fig. 1, the present embodiment discloses a raw coal sampling system, which includes a coal feeding pipe 1 and a stirring rod 3. One side of the coal feeding pipe 1 is communicated with a sampling pipe 2.
The sampling tube 2 comprises an inclined tube 21 and a standpipe 22 arranged below the inclined tube 21. The higher end of the inclined pipe 21 is connected with one side of the lower coal pipe 1. The lower end of the inclined tube 21 is in communication with a vertical tube 22. The inclined tube 21 is internally provided with a stirring rod 3 which is coaxial with the inclined tube. One end of the stirring rod 3 is fixed on the vertical pipe 22.
The inclined tube 21 comprises a flexible tube 212 which can move freely. The stirring rod 3 passes through the hose 212.
In the buggy sample, use the whole axle center of hose 212 for two sections relative motion takes place around hose 212, and then make one section of being connected with the lower end of hose 212 and stirring rod 3 take place the displacement, form the state of "stirring" buggy, in order to be used for mediation sampling tube 2, compare the sampling tube that mentions in the background art, the utility model discloses, stirring rod 3 is fixed on standpipe 22, need not to operate stirring rod 3 and moves and stir the sampling tube inside, and then guarantees the sealed effect of stirring rod 3 and standpipe 22 fixed point, prevents that the buggy from this place spill.
The hose 212 is disposed at a middle portion of the chute 21. The inclined tube further comprises a first section of tube 211 and a second section of tube 213. The upper end of the first section of tubing 211 communicates with the lower end of the hose 212. The lower end of the second length of tubing 213 communicates with the upper end of the hose. The lower end of the first section of tubing 211 communicates with the standpipe 22. The higher end of the second segment of pipe 213 is connected to one side of the lower coal pipe 1.
The hose 212 is provided at the end of the chute 21. The inclined tube 21 further comprises a first section of tube 211 or a second section of tube 212. In the inclined tube 21 further comprising the first section of tube 211, unlike the above, the higher end of the flexible tube 212 is communicated with the lower coal pipe 1. In the event that the down tube 21 also includes a second length of tubing 212, unlike the above, the lower end of the down tube 21 communicates with the standpipe 22.
The inclined angle of the inclined tube 21 ranges from 30 degrees to 60 degrees. The pulverized coal falls along the tube pass of the inclined tube 21, so that the sampling of the pulverized coal is facilitated.
The standpipe 22 is provided with a ball valve 4. The opening and closing degree of the vertical pipe 22 is controlled through the ball valve 4, so that the sampling progress of the pulverized coal is conveniently controlled.
The working principle of the embodiment is as follows: in the coal powder sampling, the first section of pipe 211 or the vertical pipe 22 is held by hand, and the connection position of the hose 212 and the second section of pipe 213 is taken as the center of a circle, the first section of pipe 211 or the vertical pipe 22 is shaken, so that the first section of pipe 211, the hose 212 and the stirring rod 3 are displaced, and a state of stirring coal powder is formed, so as to dredge the sampling pipe 2, compared with the sampling pipe mentioned in the background art, the stirring rod 3 is fixed on the vertical pipe 22, and the stirring rod 3 is fixed on the fixed point, so that the relative motion with the vertical pipe 22 is not required, further, the sealing effect of the fixed point can be ensured, the coal powder is prevented from being splashed out from the fixed point, and meanwhile, the stirring rod 3 is inserted into the inclined pipe 21 when the sampling is not performed, so that the excessive bending of the hose 212 can be prevented, and the relative rotation amplitude of the first section of pipe 211 and; while being able to pass through the ball valve 4.
Example two
Referring to fig. 2 and 3, in the second embodiment, unlike the first embodiment, one end of the stirring rod 3 extends out of the vertical pipe 22. And a fixed block 5 is fixed on the penetrating end of the stirring rod 3. The fixing block 5 is fixed on the outer wall of the vertical pipe 22 through a bolt 6.
The fixing of the stirring rod 3 is released by detaching the bolt 6 on the fixing block 5, the penetrating end of the stirring rod 3 is manually held, the stirring rod 3 is pulled out from the inclined tube 22, the stirring rod 3 is convenient to use for a long time, and the stirring rod is timely replaced when being damaged.
The vertical tube 22 is provided with a through mounting hole. The stirring rod 3 passes through the mounting hole. And a sealing gasket is sleeved between the mounting hole and the stirring rod 3. The sealing effect of the mounting hole of the stirring rod 3 is ensured, and the pulverized coal is prevented from being sprayed out from the mounting hole.
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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.

Claims (9)

1. A raw coal sampling system, its characterized in that: comprises a coal feeding pipe and a stirring rod; one side of the coal feeding pipe is communicated with a sampling pipe;
the sampling tube comprises an inclined tube and a vertical tube arranged below the inclined tube; the higher end of the inclined pipe is connected to one side of the lower coal pipe; the lower end of the inclined pipe is communicated with the vertical pipe; a stirring rod which is coaxial with the inclined tube is arranged in the inclined tube; one end of the stirring rod is fixed on the vertical pipe;
the inclined tube comprises a section of flexible tube which can move freely; the stirring rod passes through the hose.
2. A raw coal sampling system as defined in claim 1, wherein: the hose is arranged at the middle part of the inclined pipe; the inclined tube also comprises a first section of tube and a second section of tube; the higher end of the first section of pipe is communicated with the lower end of the hose; the lower end of the second section of pipe is communicated with the upper end of the hose; the lower end of the first section of pipe is communicated with the vertical pipe; the higher end of the second section of pipe is connected to one side of the lower coal pipe.
3. A raw coal sampling system as defined in claim 1, wherein: the hose is arranged at the end of the inclined tube.
4. A raw coal sampling system according to claim 3, wherein: the inclined tube further comprises a first section of tube, and the higher end of the hose is communicated with the coal discharging tube.
5. A raw coal sampling system according to claim 3, wherein: the inclined pipe also comprises a second section of pipe, and the lower end of the inclined pipe is communicated with the vertical pipe.
6. A raw coal sampling system as defined in claim 1, wherein: one end of the stirring rod penetrates out of the vertical pipe; a fixed block is fixed on the penetrating end of the stirring rod; the fixed block is fixed on the outer wall of the vertical pipe through bolts.
7. The raw coal sampling system of claim 6, wherein: the vertical pipe is provided with a through mounting hole; the stirring rod penetrates through the mounting hole; and a sealing gasket is sleeved between the mounting hole and the stirring rod.
8. A raw coal sampling system as defined in claim 1, wherein: the inclined angle of the inclined tube is 30-60 degrees.
9. A raw coal sampling system as defined in claim 1, wherein: and the vertical pipe is provided with a ball valve.
CN201921588413.0U 2019-09-24 2019-09-24 Raw coal sampling system Expired - Fee Related CN210774835U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921588413.0U CN210774835U (en) 2019-09-24 2019-09-24 Raw coal sampling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921588413.0U CN210774835U (en) 2019-09-24 2019-09-24 Raw coal sampling system

Publications (1)

Publication Number Publication Date
CN210774835U true CN210774835U (en) 2020-06-16

Family

ID=71046829

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921588413.0U Expired - Fee Related CN210774835U (en) 2019-09-24 2019-09-24 Raw coal sampling system

Country Status (1)

Country Link
CN (1) CN210774835U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200616

Termination date: 20210924

CF01 Termination of patent right due to non-payment of annual fee