CN213456562U - Pulverized coal fineness monitoring device - Google Patents
Pulverized coal fineness monitoring device Download PDFInfo
- Publication number
- CN213456562U CN213456562U CN202021699873.3U CN202021699873U CN213456562U CN 213456562 U CN213456562 U CN 213456562U CN 202021699873 U CN202021699873 U CN 202021699873U CN 213456562 U CN213456562 U CN 213456562U
- Authority
- CN
- China
- Prior art keywords
- probe
- positioning seat
- buggy
- fineness
- fixed mounting
- 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
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- 239000003245 coal Substances 0.000 title claims abstract description 34
- 238000012806 monitoring device Methods 0.000 title claims abstract description 10
- 239000000523 sample Substances 0.000 claims abstract description 57
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 238000007493 shaping process Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 239000000843 powder Substances 0.000 abstract description 17
- 238000005516 engineering process Methods 0.000 abstract 1
- 239000011241 protective layer Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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Abstract
The utility model discloses a buggy fineness monitoring devices, relate to buggy monitoring technology field, a buggy fineness monitoring devices, including the buggy pipe, the side shaping of buggy pipe has the monitoring opening, monitoring opening part fixed mounting has the positioning seat, the positioning seat is the drum shape, the inside shaping of positioning seat side has the air pocket, the outside shaping of positioning seat has the air inlet, air inlet and air pocket intercommunication each other, the air pocket inclines to the inner end and lets in to the inboard of positioning seat, clearance fit installs the probe in the positioning seat, the air pocket is located the outside of probe, the one end of probe lets in the buggy pipe setting, the one end shaping that the probe lets in the buggy pipe has the probe hole, fixed mounting has the fineness monitor in the probe hole, the other end fixed mounting of probe has the locating plate, the locating plate is fixed mounting on the positioning seat; an airflow protection layer can be formed on the outer side of the probe, so that the probe hole cannot be blocked by coal powder; can prevent effectively that the buggy from monitoring the opening part blowout, the convenience is to the installation and the dismantlement of fineness monitor.
Description
Technical Field
The utility model belongs to the technical field of the buggy monitoring technique and specifically relates to a buggy fineness monitoring devices is related to.
Background
With the improvement of the requirement on environmental protection and the improvement of the economy of a power plant, the optimization of the combustion of the coal-fired power plant is urgently needed to improve the combustion efficiency, reduce the discharged smoke dust and NOx, SO2 and reduce the energy consumption of a powder making system, SO that the proper fineness is required in the operation process of the boiler powder making system; the fineness of the pulverized coal directly causes the increase of mechanical incomplete combustion loss, the reduction of boiler efficiency and the increase of energy consumption of a coal mill; therefore, it is necessary to perform online fineness monitoring on pulverized coal.
A fineness monitoring devices who is used for the buggy pipe on the market is sheltered from by the buggy easily, leads to the monitoring data inaccurate, and fineness monitoring devices only can install and dismantle under the prerequisite of shutting down moreover, otherwise can lead to buggy spun phenomenon, causes the pollution in workshop.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.
The utility model provides a buggy fineness monitoring devices, including the buggy pipe, the side shaping of buggy pipe has the monitoring opening, monitoring opening part fixed mounting has the positioning seat, the positioning seat is the drum shape, the inside shaping of positioning seat side has the gas tank, the outside shaping of positioning seat has the air inlet, the air inlet communicates with the gas tank each other, the gas tank inclines and lets in the inboard of positioning seat to the inner end, clearance fit installs the probe in the positioning seat, the gas tank is located the outside of probe, the one end of probe lets in the buggy pipe setting, the one end shaping that the probe lets in the buggy pipe has the probe hole, fixed mounting has the fineness monitor in the probe hole, the other end fixed mounting of probe has the locating plate, locating plate fixed mounting is on the positioning.
As a further aspect of the present invention: the middle part of one end of the positioning seat, which is communicated with the pulverized coal pipe, is formed with a conical groove with a narrow outer part and a wide inner part, and the air groove is communicated with the conical groove.
As a further aspect of the present invention: the monitoring opening is provided with two of bilateral symmetry arrangement at the buggy pipe side, and the positioning seat is equipped with two of corresponding welded mounting on detecting the opening, and the fineness monitor includes transmitting terminal and receiving terminal, and mutual correlation is arranged the installation between transmitting terminal and the receiving terminal, and transmitting terminal fixed mounting is in the probe hole of left side positioning seat probe, and receiving terminal fixed mounting is in the probe hole of right side positioning seat probe.
As a further aspect of the present invention: the transmitting end adopts a laser lamp bead, and the receiving end adopts an image sensor.
As a further aspect of the present invention: the locating plate passes through screw detachable fixed mounting on the positioning seat.
As a further aspect of the present invention: the positioning seat is made of 304 stainless steel.
Compared with the prior art, the beneficial effects of the utility model are that: high-pressure airflow is introduced into the air inlet and blown to the outer side of the probe through the equipment of the air groove, so that an airflow protective layer is formed on the outer side of the probe, and when the coal powder pipe works, coal powder in the coal powder pipe can flow away from the probe through the airflow protective layer, so that a probe hole cannot be blocked by the coal powder, and the monitoring effect of the fineness monitor is better; meanwhile, when the probe is installed, high-pressure airflow is continuously introduced to the air inlet, and the high-pressure airflow can effectively prevent pulverized coal from being sprayed out of the monitoring opening after passing through the air groove, so that the fineness monitor can be conveniently installed and detached, and a workshop is prevented from being polluted by the pulverized coal.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic sectional structure of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Shown in the figure: 1. a pulverized coal pipe; 2. monitoring the opening; 3. positioning seats; 4. an air tank; 5. an air inlet; 6. a probe; 7. a probe hole; 8. a fineness monitor; 9. positioning a plate; 10. a conical groove; 81. a transmitting end; 82. and (4) receiving the data.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a coal powder fineness monitoring device comprises a coal powder pipe 1, a monitoring opening 2 is formed on the side edge of the coal powder pipe 1, a positioning seat 3 is fixedly installed at the monitoring opening 2, the positioning seat 3 is in a cylindrical shape, an air groove 4 is formed inside the side edge of the positioning seat 3, an air inlet 5 is formed outside the positioning seat 3, the air inlet 5 is communicated with the air groove 4, the air groove 4 inclines inwards and leads to the inner side of the positioning seat 3, a probe 6 is installed in the positioning seat 3 in a clearance fit mode, the air groove 4 is located on the outer side of the probe 6, one end of the probe 6 is led into the coal powder pipe 1, a probe hole 7 is formed at one end of the probe 6 led into the coal powder pipe 1, a fineness monitor 8 is fixedly installed in the probe hole 7, a positioning plate 9 is fixedly installed at the other end of the probe; the principle is as follows: high-pressure airflow is introduced into the air inlet 5 and blown to the outer side of the probe 6 through the equipment of the air groove 4, so that an airflow protective layer is formed on the outer side of the probe 6, and when the coal powder pipe 1 works, coal powder in the coal powder pipe can flow away from the probe 6 through the airflow protective layer, so that the coal powder pipe is arranged in the probe hole 7 and cannot be blocked by the coal powder, and the monitoring effect of the fineness monitor 8 is better; simultaneously, during the installation of probe 6, continuously let in high-pressure draught toward air inlet 5 department, high-pressure draught can prevent effectively that the buggy from monitoring 2 ejections of opening after passing through air duct 4, and the convenience is to installation and the dismantlement of fineness monitor 8, avoids the workshop to be polluted by the buggy.
As a further aspect of the present invention: a conical groove 10 with a narrow outside and a wide inside is formed in the middle of one end of the positioning seat 3, which is communicated with the pulverized coal pipe 1, and the gas groove 4 is communicated with the conical groove 10; the opening of the air groove 4, which leads to the outer side of the probe 6, is larger, the airflow protective layer on the outer side of the probe 6 is thicker, and the protective effect is better.
As a further aspect of the present invention: the fineness monitor 8 comprises a transmitting end 81 and a receiving end 81, the transmitting end 81 and the receiving end 82 are arranged in a mutual opposite-jetting manner, the transmitting end 81 is fixedly arranged in a probe hole 7 of a probe 6 of the left positioning seat 3, and the receiving end 82 is fixedly arranged in a probe hole 7 of a probe 6 of the right positioning seat 3; the diameter of the measuring beam emitted by the emitting end 81 is far larger than the size of the pulverized coal particles, the pulverized coal can correspondingly shield a part of the measuring beam, and the size of the pulverized coal particles is judged through the beam pattern received by the receiving end 82.
As a further aspect of the present invention: the transmitting end 81 adopts a laser lamp bead, and the receiving end 82 adopts an image sensor.
As a further aspect of the present invention: the positioning plate 9 is detachably and fixedly arranged on the positioning seat 3 through screws; so that the probe 6 can be more conveniently and quickly mounted and dismounted.
As a further aspect of the present invention: the positioning seat 3 is made of 304 stainless steel.
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.
Claims (6)
1. The utility model provides a buggy fineness monitoring devices, includes the buggy pipe, its characterized in that: the side shaping of buggy pipe has the monitoring opening, monitoring opening part fixed mounting has the positioning seat, the positioning seat is the drum shape, the inside shaping of positioning seat side has the air pocket, the outside shaping of positioning seat has the air inlet, air inlet and air pocket intercommunication each other, the air pocket is to the inboard of inner end slope and let in the positioning seat, clearance fit installs the probe in the positioning seat, the air pocket is located the outside of probe, the one end of probe lets in the buggy pipe setting, the one end shaping that the probe lets in the buggy pipe has the probe hole, the downthehole fixed mounting of probe has the fineness monitor, the other end fixed mounting of probe has the locating plate, locating plate fixed mounting is on the positioning seat.
2. The coal fines fineness monitoring apparatus of claim 1, characterized in that: the middle part of one end of the positioning seat, which is communicated with the pulverized coal pipe, is formed with a conical groove with a narrow outer part and a wide inner part, and the air groove is communicated with the conical groove.
3. The coal fines fineness monitoring apparatus of claim 1, characterized in that: the monitoring opening is provided with two of bilateral symmetry arrangement at the buggy pipe side, and the positioning seat is equipped with two of corresponding welded mounting on detecting the opening, and the fineness monitor includes transmitting terminal and receiving terminal, and mutual correlation is arranged the installation between transmitting terminal and the receiving terminal, and transmitting terminal fixed mounting is in the probe hole of left side positioning seat probe, and receiving terminal fixed mounting is in the probe hole of right side positioning seat probe.
4. The coal fines fineness monitoring apparatus of claim 3, characterized in that: the transmitting end adopts a laser lamp bead, and the receiving end adopts an image sensor.
5. The coal fines fineness monitoring apparatus of claim 1, characterized in that: the locating plate passes through screw detachable fixed mounting on the positioning seat.
6. The coal fines fineness monitoring apparatus of claim 1, characterized in that: the positioning seat is made of 304 stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021699873.3U CN213456562U (en) | 2020-08-15 | 2020-08-15 | Pulverized coal fineness monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021699873.3U CN213456562U (en) | 2020-08-15 | 2020-08-15 | Pulverized coal fineness monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213456562U true CN213456562U (en) | 2021-06-15 |
Family
ID=76309522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021699873.3U Expired - Fee Related CN213456562U (en) | 2020-08-15 | 2020-08-15 | Pulverized coal fineness monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213456562U (en) |
-
2020
- 2020-08-15 CN CN202021699873.3U patent/CN213456562U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210615 |