CN209758107U - Novel accurate measurement system of raw coal bunker coal volume of boiler - Google Patents
Novel accurate measurement system of raw coal bunker coal volume of boiler Download PDFInfo
- Publication number
- CN209758107U CN209758107U CN201920536216.8U CN201920536216U CN209758107U CN 209758107 U CN209758107 U CN 209758107U CN 201920536216 U CN201920536216 U CN 201920536216U CN 209758107 U CN209758107 U CN 209758107U
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- coal bunker
- coal
- bunker body
- feeder
- supporting beam
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Abstract
The utility model discloses a novel boiler raw coal bunker coal quantity accurate metering system, which comprises a coal bunker body, wherein a supporting beam is arranged at the bottom of the coal bunker body, and a weighing sensor is additionally arranged between the bottom of the coal bunker body and the supporting beam; the bottom of the supporting beam is sequentially provided with a central feeder and a coal feeder which are communicated with the coal bunker body, and the central feeder and the coal feeder are connected by a dustproof expansion joint; a horizontal support rod is arranged on the outer side of the middle upper part of the coal bunker body, vertical concrete support columns are arranged on two sides of the coal bunker body, the end part of the horizontal support rod is rotatably connected with one end of a horizontal pull rod through a pin shaft, and the other end of the horizontal pull rod is connected with the vertical concrete support columns; the top of the coal bunker body is provided with a plurality of feeding ports communicated with the coal bunker body. The utility model discloses combine former coal bunker structure to reform transform the former coal bunker of boiler into the suspension coal bunker to increase static weighing sensor, the accurate measurement of the coal volume is deposited in the former coal bunker is realized to the cooperation measurement digital display table.
Description
Technical Field
The utility model belongs to the technical field of the former coal bunker of boiler coal measures technique and specifically relates to a novel accurate measurement system of former coal bunker coal volume of boiler is related to.
Background
At present, a direct detection system for measuring the coal storage quantity of a raw coal bunker of a 350MW thermal power unit with an intermediate coal bunker is not provided, and the coal storage volume is calculated according to the material level data of the coal bunker and is converted by combining the density of the raw coal. This metering method has the following disadvantages: firstly, the material level measurement deviation of the middle coal bunker is large, the material level measurement data is not representative, and the volume of coal stored in the coal bunker cannot be correctly reflected; secondly, the density of the raw coal is different along with the change of the coal types, the density of the raw coal is designed to be constant, and the metering deviation caused by the density difference of the raw coal in the application process is large.
Disclosure of Invention
To the technical problem, the utility model provides a novel accurate measurement system of raw coal bunker coal volume of boiler.
The utility model discloses the technical solution who adopts is:
a novel boiler raw coal bunker coal quantity accurate metering system comprises a coal bunker body, wherein a supporting beam is arranged at the bottom of the coal bunker body, the supporting beam comprises main beams on the outer side and auxiliary beams positioned between the main beams, and a weighing sensor is additionally arranged between the bottom of the coal bunker body and the main beams;
A central feeder communicated with the coal bunker body is arranged at the bottom of the supporting beam, a coal feeder is arranged at the bottom of the central feeder, and the central feeder and the coal feeder are connected by a dustproof expansion joint;
a horizontal support rod is arranged on the outer side of the middle upper part of the coal bunker body, vertical concrete support columns are arranged on two sides of the coal bunker body, the end part of the horizontal support rod is rotatably connected with one end of a horizontal pull rod through a pin shaft, a pull lug is arranged at the other end of the horizontal pull rod, a lifting lug matched with the pull lug is arranged on the inner side of each vertical concrete support column, and the pull lugs are fixedly connected with the lifting lugs;
The top of the coal bunker body is provided with a plurality of feeding ports communicated with the coal bunker body.
Preferably, the feed inlet includes the fixed pipe of being connected with coal bunker body top formula as an organic whole, overlaps at the outside of fixed pipe to be equipped with the intubate, still disposes dustproof sealing cloth cover in feed inlet department.
Preferably, the dustproof telescopic joint comprises a rubber pipe, and support rings are arranged on the inner side or the outer side of the rubber pipe at intervals along the length direction of the rubber pipe.
preferably, the number of the weighing sensors is 8, the weighing sensors are distributed at intervals along the circumference of the bottom of the coal bunker body, and all the weighing sensors are combined into a unified system through a secondary instrument.
The utility model has the beneficial technical effects that:
The utility model discloses to the inaccurate problem of raw coal storehouse coal deposit volume estimation, combine the raw coal storehouse structure to reform transform the raw coal storehouse of boiler into the suspension coal storehouse to increase static weighing sensor, the accurate measurement of the raw coal storehouse coal deposit volume is realized to the cooperation measurement digital display table.
Drawings
The present invention will be further explained with reference to the following detailed description and accompanying drawings:
fig. 1 is a schematic view of the structural principle of the present invention.
Detailed Description
combine the attached drawing, a novel accurate measurement system of raw coal bunker coal volume of boiler, including the coal bunker body 1, be provided with a supporting beam in the bottom of the coal bunker body 1, a supporting beam includes girder 2 in the outside, and is located auxiliary beam 3 between the girder, adds between the bottom of the coal bunker body and girder and is equipped with weighing sensor 4. The bottom of the supporting beam is provided with a central feeder 5 communicated with the coal bunker body, the bottom of the central feeder 5 is provided with a coal feeder 6, and the central feeder 5 and the coal feeder 6 are connected through a dustproof expansion joint 7. The coal bunker comprises a coal bunker body 1, and is characterized in that a horizontal support rod 8 is arranged on the outer side of the middle upper part of the coal bunker body 1, vertical concrete support columns 9 are arranged on two sides of the coal bunker body 1, the end part of the horizontal support rod 8 is rotatably connected with one end of a horizontal pull rod 10 through a pin shaft, a pull lug 11 is arranged at the other end of the horizontal pull rod, a lifting lug 12 matched with the pull lug is arranged on the inner side of the vertical concrete support column, and the pull lug is fixedly connected with the lifting lug. The top of the coal bunker body is provided with a plurality of feeding ports 13 communicated with the coal bunker body.
as right the utility model discloses a further design, the feed inlet includes the fixed pipe 1301 of being connected with coal bunker body top formula as an organic whole, overlaps in the outside of fixed pipe to be equipped with intubate 1302, still disposes dust seal cloth cover in feed inlet department.
Furthermore, dustproof telescopic joint includes the rubber tube, at the inboard or outside of rubber tube and along its length direction interval arrangement have the support ring.
Furthermore, the number of the weighing sensors is 8, the weighing sensors are distributed at intervals along the circumference of the bottom of the coal bunker body, and all the weighing sensors pass through a secondary instrument and form a unified system.
The utility model provides a novel accurate measurement system of former bunker coal volume of boiler, this measurement system adopt former bunker suspension technique, static sensor technique and the accurate measurement system of former bunker coal volume of boiler, static sensor technique is used for constituting behind the suspension bunker the accurate measurement system of former bunker coal volume. The accurate measurement system of raw coal bunker coal volume can be used for calibrating the belt weigher of going into the warehouse, the belt weigher of delivering from the warehouse to cooperate the belt weigher accumulated data of delivering from the warehouse, the accumulative coal volume of the branch storehouse stokeing of this raw coal bunker of accurate measurement.
The raw coal bunker suspension technology comprises the following steps: the coal hole and the dust removal pipe at the bottom of the top of the raw coal bunker are changed into sleeve insertion connection, a dustproof sealing cloth sleeve is installed, a connecting flange between a feeder at the lower part of the raw coal bunker and a coal feeder is changed into a dustproof expansion joint, a fixing pin of a horizontal supporting rod at the middle upper part of the raw coal bunker is unfastened and changed into pin shaft connection, and a weighing sensor is installed after the raw coal bunker is lifted by 10mm, so that the coal bunker is in a suspension state.
The static sensor technology is specially used for the suspension coal bunker, 8 high-strength weighing sensors are distributed and installed on the lower portion of the suspension coal bunker, and 8 weighing sensors are combined into a unified system through a secondary instrument.
The accurate measurement system of the raw coal bunker coal quantity of the boiler is composed of a raw coal bunker suspension technology and a static sensor technology together, and the accurate measurement system of the raw coal bunker coal quantity adopts a secondary instrument to display on site and has 4-20 mA analog quantity signal remote transmission.
To sum up, the utility model discloses reform transform former coal bunker and realize former coal bunker suspension technique, the suspension coal bunker reforms transform on the basis of former fixed coal bunker and comes, the suspension coal bunker adopts static sensor technique to constitute static weighing measurement system, and concrete transformation technique is: the method comprises the steps of firstly, changing a coal hole and a dust removal pipe below the top of a raw coal bunker into sleeve insertion connection and installing a dustproof sealing cloth sleeve, changing a connecting flange between a feeder at the lower part of the raw coal bunker and a coal feeder into a dustproof telescopic joint, unfastening a fixing pin of a horizontal support rod at the middle upper part of the raw coal bunker into pin connection, disconnecting support angle steel at the lower part of the raw coal bunker and a steel ring at the bottom, cutting the support angle steel to install a top plate of a weighing sensor and a transition plate, lifting the raw coal bunker by 10mm, installing 8 high-strength static weighing sensors and an anti-tilting limiting device, and finally enabling the raw coal bunker to be in a suspension. And secondly, a raw coal bunker static metering system is established by depending on a raw coal bunker suspension technology and a static sensor technology, and the weight of raw coal in the coal bunker is accurately detected in real time, and local display and remote display are carried out.
Parts not described in the above modes can be realized by adopting or referring to the prior art.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (4)
1. The utility model provides a novel accurate measurement system of raw coal bunker coal volume of boiler which characterized in that: the coal bunker comprises a coal bunker body, wherein a supporting beam is arranged at the bottom of the coal bunker body, the supporting beam comprises main beams on the outer side and auxiliary beams positioned between the main beams, and a weighing sensor is additionally arranged between the bottom of the coal bunker body and the main beams;
a central feeder communicated with the coal bunker body is arranged at the bottom of the supporting beam, a coal feeder is arranged at the bottom of the central feeder, and the central feeder and the coal feeder are connected by a dustproof expansion joint;
A horizontal support rod is arranged on the outer side of the middle upper part of the coal bunker body, vertical concrete support columns are arranged on two sides of the coal bunker body, the end part of the horizontal support rod is rotatably connected with one end of a horizontal pull rod through a pin shaft, a pull lug is arranged at the other end of the horizontal pull rod, a lifting lug matched with the pull lug is arranged on the inner side of each vertical concrete support column, and the pull lugs are fixedly connected with the lifting lugs;
the top of the coal bunker body is provided with a plurality of feeding ports communicated with the coal bunker body.
2. The system of claim 1, wherein the system comprises: the feed inlet includes the fixed pipe of being connected with bunker body top formula as an organic whole, overlaps at the outside of fixed pipe to be equipped with the intubate, still disposes dust seal cloth cover in feed inlet department.
3. The system of claim 1, wherein the system comprises: the dustproof telescopic joint comprises a rubber pipe, and support rings are arranged on the inner side or the outer side of the rubber pipe at intervals along the length direction of the rubber pipe.
4. The system of claim 1, wherein the system comprises: the number of the weighing sensors is 8, the weighing sensors are distributed at intervals along the circumference of the bottom of the coal bunker body, and all the weighing sensors are combined into a unified system through a secondary instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920536216.8U CN209758107U (en) | 2019-04-19 | 2019-04-19 | Novel accurate measurement system of raw coal bunker coal volume of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920536216.8U CN209758107U (en) | 2019-04-19 | 2019-04-19 | Novel accurate measurement system of raw coal bunker coal volume of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209758107U true CN209758107U (en) | 2019-12-10 |
Family
ID=68759945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920536216.8U Expired - Fee Related CN209758107U (en) | 2019-04-19 | 2019-04-19 | Novel accurate measurement system of raw coal bunker coal volume of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209758107U (en) |
-
2019
- 2019-04-19 CN CN201920536216.8U patent/CN209758107U/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: 20191210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |