CN207623064U - A kind of fixation, sealing, positioning device for coal fines sampling apparatus - Google Patents
A kind of fixation, sealing, positioning device for coal fines sampling apparatus Download PDFInfo
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- CN207623064U CN207623064U CN201820001525.0U CN201820001525U CN207623064U CN 207623064 U CN207623064 U CN 207623064U CN 201820001525 U CN201820001525 U CN 201820001525U CN 207623064 U CN207623064 U CN 207623064U
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Abstract
The utility model is related to a kind of fixations, sealing, positioning device for coal fines sampling apparatus, including the first connector, shell, sealing element, air compartment, sealing air ball valve, compressed air, scale and third connector.The good airproof performance of the utility model can effectively avoid the leakage of pulverized coal in sampling process, reduce environmental pollution, and improve tester's working environment；The utility model is greatly improved the accuracy for representing point operation, measuring point can be marked and is drawn on external scale, realization is accurately positioned and measuring point is not easy to wear；The utility model can effectively reduce the operating personnel of coal dust sampling（2 people are reduced to by 3 people）, improve working efficiency；The utility model is connect flexibly with pulverized coal channel, is conveniently adjusted replacement.
Description
Technical field
The utility model is related to a kind of fixations, sealing, positioning device for coal fines sampling apparatus.
Background technology
Fineness of pulverized coal plays very important effect to boiler safety, stabilization, economical operation, in order to obtain it is accurate, have
Representative coal dust sample, the country have developed a variety of different coal fines sampling apparatus, wherein the most frequently used, most typical coal dust
Sampler is cab over type and elbow type isokinetic sample of pulverized coal rifle.It, can not during practical operation isokinetic sample of pulverized coal rifle
With degree there are coal dusts to reveal pollution environment, point position of the label on sampling gun easily grinds off reduction testing precision, work
Make the problems such as efficiency is low.Coal dust leakage how is reduced in operation, is promoted measuring accuracy, is improved working efficiency as test
The problem of engineer etc. often faces.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of simple, reliable consolidating for coal fines sampling apparatus
Fixed, sealing, positioning device.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
One purpose of the utility model is to provide a kind of fixation, sealing, positioning device for coal fines sampling apparatus,
Including can be mutually detachably connected with steam coal tube cell gaging hole and with the first of the first cavity passed through for coal dust sampling gun
Connector, front end are connected with first connector and with the second cavitys passed through for the coal dust sampling gun
Second connector is connected with the rear end of second connector and with the through-hole passed through for the coal dust sampling gun
Shell, be arranged between second connector and the shell for preventing in sampling process coal dust from the coal
The sealing element that is leaked in gap between powder sampling gun and second connector is formed in first connector and institute
Air compartment between the second connector stated, the sealing air for being connected and being connected with the air compartment with first connector
Ball valve, the compressed air being connected with the sealing air ball valve.
According to a preferred embodiment, second cavity is identical with the internal diameter of the through-hole.
According to a preferred embodiment, the internal diameter of first cavity is more than or equal to the interior of second cavity
Diameter.
According to a preferred embodiment, the axial line of first connector, second connector axle center
The axial line coincidence of line, the shell.
According to a preferred embodiment, the sealing element is soft seal circle.
According to a preferred embodiment, first connector has extending direction and first connector
The consistent medial surface of direction of axis line and the first cavity wall, inner end is connected with the rear end of first cavity wall, outer end with
The first joint face that the front end of the medial surface is connected；Second connector has extending direction and described second
The direction of axis line of connector consistent the first lateral surface, the second lateral surface and the second cavity wall, outside inner end and described first
The second joint face that the rear end of side is connected, outer end is connected with the front end of second lateral surface, inner end with it is described
The end face that the front end of second cavity wall is connected, outer end is connected with the front end of first lateral surface；Described first connects
Fitting is connected by the medial surface with second lateral surface with second connector, the medial surface,
First joint face, the end face, first lateral surface and second joint face, which encloses, is set as the wind
Room.
It is further preferred that the direction of axis line of the extending direction of first joint face and first connector
Angle be 40 ~ 50 °, the angle of the direction of axis line of the extending direction of the end face and first connector is 40 ~
50 °, the air compartment includes by first joint face and the end face enclosing the nozzle segment being set as and by described
Medial surface, first lateral surface and second joint face enclose the annular section being set as, the sealing air ball valve with
The annular section is connected.
According to a preferred embodiment, the sealing device further include scale, respectively with the scale and described
The third connector that is connected of the first connector.
It is further preferred that the material of the scale is stainless steel.
It is further preferred that the material of the third connector is 304 stainless steels.
According to a preferred embodiment, the material of first connector is carbon steel.
According to a preferred embodiment, the material of second connector is carbon steel.
According to a preferred embodiment, the material of the shell is carbon steel.
According to a preferred embodiment, the material of the sealing element is wool felt.
According to a preferred embodiment, first connector is connected through a screw thread with second connector.
According to a preferred embodiment, second connector is connected through a screw thread with the shell.
According to a preferred embodiment, first connector is connected with the steam coal tube cell gaging hole by screw thread
It connects.
The front and back inside and outside grade nouns of locality involved by this paper, are the heads of coal dust sampling gun when being used with coal fines sampling apparatus
Preceding to define, i.e. before side where the first connector is in Fig. 1, after side where shell is, cavity is interior.
The scope of the utility model, however it is not limited to technical solution made of the specific combination of above-mentioned technical characteristic, while
The other technical solutions for being carried out arbitrary combination by above-mentioned technical characteristic or its equivalent feature and being formed should be covered.Such as features described above
With it is disclosed herein（But it is not limited to）Technical characteristic with similar functions is replaced mutually and the technical solution that is formed
Deng.
Since above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：The utility model
Good airproof performance, can effectively avoid the leakage of pulverized coal in sampling process, reduce environmental pollution, improve tester's working environment；
The utility model is greatly improved the accuracy for representing point operation, measuring point can be marked and is drawn on external scale, realizes accurate
It positions and measuring point is not easy to wear；The utility model can effectively reduce the operating personnel of coal dust sampling（2 people are reduced to by 3 people）, improve
Working efficiency；The utility model is connect flexibly with pulverized coal channel, is conveniently adjusted replacement.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of the utility model.
Specific implementation mode
The utility model is related to a kind of fixations, sealing, positioning device for coal fines sampling apparatus, as shown in Fig. 1.
Fixed, sealing, positioning device include the first connector 1, the second connector 2, shell 3, sealing element 4, sealing air ball
Valve 5, compressed air, scale 6 and third connector 7.
Third connector 7 is fixedly connected by welding with the first connector 1, is formed on third connector 7 and is inserted for scale 6
The mounting hole entered, it is preferable that the fastening screw for being fixed on scale 6 in mounting hole is additionally provided on third connector 7.
It is formed with external screw thread on the rear end lateral surface of second connector 2, interior spiral shell is formed on the leading inside face 12 of shell 3
Line, so that the second connector 2 is connected with shell 3 by internal and external threads, the center of the second connector 2 has for coal dust
The second cavity 21 that sampling gun passes through, the center of shell 3 have a through-hole 31 passed through for coal dust sampling gun, the second cavity 21 and logical
The internal diameter in hole 31 is identical and the axial line of the second connector 2 and the axial line of shell 3 overlap so that the second cavity 21 and through-hole
31 position correspondence is consequently facilitating coal dust sampling gun sequentially passes through through-hole 31 and the second cavity 21.Second cavity 21 and described logical
The internal diameter in hole 31 is slightly larger than the outer diameter of coal dust sampling gun, and the aperture of the second cavity 21 is preferably Φ 25mm.
Sealing element 4 is arranged between the second connector 2 and shell 3 for preventing in sampling process coal dust from coal dust sampling gun
It is leaked in gap between the second connector 2, it is preferable that sealing element 4 is soft seal circle, the both ends of the surface point of soft seal circle
Di not be located at the inner bottom surface of the rear end face and shell 3 of the second connector 2, coal dust sampling gun passed through out of soft seal circle and with it is soft
Matter sealing ring is interference fitted.
First connector 1 has the first cavity 11 passed through for coal dust sampling gun.First connector 1 have extending direction with
The direction of axis line of first connector 1 consistent medial surface 12 and the first cavity wall 13, the rear end of inner end and the first cavity wall 13
It is connected, the first joint face 14 that outer end is connected with the front end of medial surface 12.First cavity wall 13, which encloses, is set as the first cavity 11,
Medial surface 12 encloses internal diameter of the internal diameter more than the first cavity 11 for the cavity being set as.The rear end of medial surface 12 is formed with internal thread.
Second connector 2 has extending direction first lateral surface 22 consistent with the direction of axis line of the second connector 2, the
Two lateral surfaces 23 and the second cavity wall 24, inner end is connected with the rear end of the first lateral surface 22, outer end and the second lateral surface 23
The second joint face 25 that front end is connected, inner end is connected with the front end of the second cavity wall 24, outer end and the first lateral surface 22
The end face 26 that front end is connected.Second cavity wall 24, which encloses, is set as the second cavity 21.It is formed with external screw thread on second lateral surface 23, the
A connection piece 1 and the second connector 2 match company by the internal thread on medial surface 12 with the external screw thread on the second lateral surface 23
It connects.The direction of axis line of first connector 1 is consistent with the direction of axis line of the second connector 2, extends each along front-rear direction.
Gap between first connector 1 and the second connector 2 is air compartment, specifically, medial surface 12, the first joint face
14, end face 26, the first lateral surface 22 and the second joint face 25 enclose and are set as air compartment.Preferably, the extending direction of the first joint face 14
Angle with the direction of axis line of the first connector 1 is 40 ~ 50 °, more preferably 45 °；The extending direction of end face 26 and first connects
The angle of the direction of axis line of fitting 1 is 40 ~ 50 °, more preferably 45 °, and air compartment includes being enclosed by the first joint face 14 and end face 26
The nozzle segment 81 that is set as and the annular section 82 being set as is enclosed by medial surface 12, the first lateral surface 22 and the second joint face 25.
Sealing air ball valve 5 be connected by screw thread with the first connector 1 and with the annular section of sealing air ball valve 5 and air compartment
82 are connected.Sealing air ball valve 5 is connected with compressed air.
External screw thread is formed on the lateral surface of first connector 1, the ball valve of steam coal tube cell gaging hole is formed with internal thread, the
A connection piece 1 and the ball valve of steam coal tube cell gaging hole can be connected by internal and external threads.
The internal diameter of first cavity 11 is more than or equal to the internal diameter of the second cavity 21, and the axial line and second of the first connector 1
The axial line of connector 2 overlaps consequently facilitating coal dust sampling gun sequentially passes through the second cavity 21 and the first cavity 11.
Preferably, the material of scale 6 is stainless steel.Preferably, the material of third connector 7 is 304 stainless steels.It is preferred that
The material on ground, the first connector 1 is carbon steel.Preferably, the material of the second connector 2 is carbon steel.Preferably, the material of shell 3
For carbon steel.Preferably, the material of sealing element 4 is wool felt.It is further preferable that antirust treatment is done on carbon steel surface.
In use, the first connector 1 is connected with the ball valve of steam coal tube cell gaging hole, sealing air ball valve 5 is empty with compression
Gas phase connects to provide sealing air；Coal dust sampling gun is inserted into from shell 3, sealing air ball valve 5 is opened, then opens steam coal
Ball valve on tube cell gaging hole, then coal dust sampling gun is further inserted into steam coal tube cell, then according to the survey marked on scale 6
Point position carries out the sampling of the coal dust under different sample points.Pass through the dual sealing functions of sealing air and sealing element 4, sealing effect
It is good, the leakage of pulverized coal in sampling process can be effectively avoided, environmental pollution is greatly reduced, improves tester's working environment.Due to
Sealing device one end is threadedly secured on gaging hole, therefore is not needed special messenger when coal dust sampling and blocked up gaging hole, and coal is thoroughly being improved
Powder can effectively reduce the operating personnel of coal dust sampling while leakage, and can improve working efficiency.It will with traditional coal dust sampling gun
Mode of the measuring point label in sampling gun body is compared, and point position can be marked and is drawn on external scale 6 by the present invention, be not easy to grind
Fall, the accuracy for representing point operation can be improved, realization is accurately positioned.The present invention is also equipped with the adapter of different model, with coal dust
Pipeline connection is flexible, is conveniently adjusted replacement.
As described above, we are illustrated fully according to the objective of the utility model, but the utility model not limits to
In above-described embodiment and implementation.The range that the practitioner of correlative technology field can permit in the technological thought of the utility model
It is interior to carry out different variation and implementation.
Claims (9)
1. a kind of fixation, sealing, positioning device for coal fines sampling apparatus, it is characterised in that：It includes can be with steam coal
Tube cell gaging hole is mutually detachably connected and with the first cavity passed through for coal dust sampling gun（11）The first connector（1）, it is preceding
End and first connector（1）It is connected and with the second cavity passed through for the coal dust sampling gun（21）
Two connectors（2）And second connector（2）Rear end be connected and with being passed through for the coal dust sampling gun
Through-hole（31）Shell（3）, be arranged in second connector（2）With the shell（3）Between for preventing from sampling
Coal dust is from the coal dust sampling gun and second connector in journey（2）Between gap in the sealing element that leaks（4）, shape
At in first connector（1）With second connector（2）Between air compartment, with first connector（1）
The sealing air ball valve for being connected and being connected with the air compartment（5）And the sealing air ball valve（5）The compression being connected is empty
Gas.
2. the fixation, sealing, positioning device according to claim 1 for coal fines sampling apparatus, it is characterised in that：It is described
The second cavity（21）With the through-hole（31）Identical, described the first cavity of internal diameter（11）Internal diameter be more than or equal to it is described
The second cavity（21）Internal diameter, and first connector（1）Axial line, second connector（2）Axle center
Line, the shell（3）Axial line overlap.
3. the fixation, sealing, positioning device according to claim 1 for coal fines sampling apparatus, it is characterised in that：It is described
Sealing element（4）For soft seal circle.
4. the fixation, sealing, positioning device according to claim 1 for coal fines sampling apparatus, it is characterised in that：It is described
The first connector（1）With extending direction and first connector（1）The consistent medial surface of direction of axis line（12）
With the first cavity wall（13）, inner end and first cavity wall（13）Rear end be connected, outer end and the medial surface
（12）The first joint face for being connected of front end（14）；Second connector（2）With extending direction and described second
Connector（2）Consistent the first lateral surface of direction of axis line（22）, the second lateral surface（23）With the second cavity wall（24）, inner end
With first lateral surface（22）Rear end be connected, outer end and second lateral surface（23）Front end be connected
Two joint faces（25）, inner end and second cavity wall（24）Front end be connected, outer end and first lateral surface
（22）The end face that is connected of front end（26）；First connector（1）With second connector（2）By described
Medial surface（12）With second lateral surface（23）It is connected, the medial surface（12）, described first joint face（14）、
The end face（26）, described first lateral surface（22）With second joint face（25）It encloses and is set as the air compartment.
5. the fixation, sealing, positioning device according to claim 4 for coal fines sampling apparatus, it is characterised in that：It is described
The first joint face（14）Extending direction and first connector（1）The angle of direction of axis line be 40 ~ 50 °, institute
The end face stated（26）Extending direction and first connector（1）The angle of direction of axis line be 40 ~ 50 °, it is described
Air compartment includes by first joint face（14）With the end face（26）Enclose the nozzle segment being set as（81）And by described
Medial surface（12）, described first lateral surface（22）With second joint face（25）Enclose the annular section being set as（82）,
The sealing air ball valve（5）With the annular section（82）It is connected.
6. the fixation, sealing, positioning device according to claim 1 for coal fines sampling apparatus, it is characterised in that：It is described
Sealing device further include scale（6）, respectively with the scale（6）With first connector（1）The third being connected
Connector（7）.
7. the fixation, sealing, positioning device according to claim 6 for coal fines sampling apparatus, it is characterised in that：It is described
Scale（6）Material be stainless steel, the third connector（7）Material be 304 stainless steels.
8. the fixation, sealing, positioning device according to claim 1 for coal fines sampling apparatus, it is characterised in that：It is described
The first connector（1）Material be carbon steel, second connector（2）Material be carbon steel, the shell（3）Material
Matter is carbon steel, the sealing element（4）Material be wool felt.
9. the fixation, sealing, positioning device according to claim 1 for coal fines sampling apparatus, it is characterised in that：It is described
The first connector（1）With second connector（2）It is connected through a screw thread, second connector（2）With it is described
Shell（3）It is connected through a screw thread, first connector（1）It is connected through a screw thread with the steam coal tube cell gaging hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820001525.0U CN207623064U (en) | 2018-01-02 | 2018-01-02 | A kind of fixation, sealing, positioning device for coal fines sampling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820001525.0U CN207623064U (en) | 2018-01-02 | 2018-01-02 | A kind of fixation, sealing, positioning device for coal fines sampling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207623064U true CN207623064U (en) | 2018-07-17 |
Family
ID=62831057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820001525.0U Active CN207623064U (en) | 2018-01-02 | 2018-01-02 | A kind of fixation, sealing, positioning device for coal fines sampling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207623064U (en) |
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2018
- 2018-01-02 CN CN201820001525.0U patent/CN207623064U/en active Active
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