CN220453700U - Coal slime blending and burning feeding system - Google Patents
Coal slime blending and burning feeding system Download PDFInfo
- Publication number
- CN220453700U CN220453700U CN202321420652.1U CN202321420652U CN220453700U CN 220453700 U CN220453700 U CN 220453700U CN 202321420652 U CN202321420652 U CN 202321420652U CN 220453700 U CN220453700 U CN 220453700U
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- coal slime
- pump
- pipeline
- conveying pipeline
- pressure
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- 239000003245 coal Substances 0.000 title claims abstract description 106
- 238000002156 mixing Methods 0.000 title claims abstract description 7
- 230000001502 supplementing effect Effects 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000010344 co-firing Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 7
- 238000002360 preparation method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The coal slime mixed combustion feeding system comprises a coal slime conveying pipeline A and a coal slime conveying pipeline B, wherein a coal slime pump A and a coal slime pump B are respectively arranged on the coal slime conveying pipeline A and the coal slime conveying pipeline B, a pressure supplementing pipeline A and a pressure supplementing pipeline B are bridged between the coal slime conveying pipeline A and the coal slime conveying pipeline B, and a coal slime pump C and a coal slime pump D are respectively arranged on the pressure supplementing pipeline A and the pressure supplementing pipeline B; the feeding ends of the coal slime pump C and the coal slime pump D are respectively provided with a stop valve, and the discharging ends of the coal slime pump C and the coal slime pump D are respectively provided with a one-way valve; and pressure transmitters are respectively arranged on the coal slime conveying pipeline A and the coal slime conveying pipeline B. The utility model makes up a blank in the prior art, forms interconnection and mutual preparation for the existing coal slime conveying system through the arrangement of the double pressure supplementing pipelines, can greatly improve the flexibility and safety of coal slime mixing combustion, ensures the economy of boiler combustion, and has great market popularization value.
Description
Technical Field
The utility model relates to the field of coal slime co-firing, in particular to a coal slime co-firing feeding system.
Background
The coal slime co-firing can greatly improve the economical efficiency of boiler equipment under the condition of not influencing rated parameters. In the prior art, the coal slime co-combustion is generally that each combustion unit is communicated with a single coal slime conveying unit, and different coal slime conveying units cannot be interconnected due to inconsistent boiler power and the like, so that the condition of insufficient pipeline supply often occurs, and corresponding solving means are not available at present for the problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the coal slime mixing and burning feeding system which is simple in structure, safe, reliable and convenient to use.
The equipment comprises a coal slime conveying pipeline A and a coal slime conveying pipeline B, wherein a coal slime pump A and a coal slime pump B are respectively arranged on the coal slime conveying pipeline A and the coal slime conveying pipeline B; that is, in this case, the slime pump performs independent transportation of the slime through each pipeline;
a pressure supplementing pipeline A and a pressure supplementing pipeline B are bridged between the coal slime conveying pipeline A and the coal slime conveying pipeline B, and a coal slime pump C and a coal slime pump D are respectively arranged on the pressure supplementing pipeline A and the pressure supplementing pipeline B; that is, in this case, by arranging the slime pump C and the slime pump D, the supplementary feeding can be performed in the case that the materials of the slime conveying line a and the slime conveying line B are missing;
the feeding ends of the coal slime pump C and the coal slime pump D are respectively provided with a stop valve, and the discharging ends of the coal slime pump C and the coal slime pump D are respectively provided with a one-way valve; the stop valve is suitable for pipeline overhaul and maintenance and safety control; the one-way valve is used for preventing the coal slime from choking.
And pressure transmitters are respectively arranged on the coal slime conveying pipeline A and the coal slime conveying pipeline B.
Further, the pressure transmitter on the coal slime conveying pipeline A is arranged at the rear part of the communication position of the pressure supplementing pipeline A and the coal slime conveying pipeline A;
the pressure transmitter on the coal slime conveying pipeline B is arranged at the rear part of the communication position of the pressure supplementing pipeline B and the coal slime conveying pipeline B.
The effect realized by the method is that the pressure change of the two coal slime conveying pipelines reported by the two pressure transmitters is monitored in real time, and the pressure is correspondingly compensated.
Further, the coal slime pump A, the coal slime pump B, the coal slime pump C and the coal slime pump D are in signal connection with the control unit of the pressure transmitter.
The stop valve is an electric valve and is connected with the control unit through a signal.
The beneficial effects of the utility model are as follows: the utility model makes up a blank in the prior art, forms interconnection and mutual preparation for the existing coal slime conveying system through the arrangement of the double pressure supplementing pipelines, can greatly improve the flexibility and safety of coal slime mixing combustion, ensures the economy of boiler combustion, and has great market popularization value.
Drawings
FIG. 1 is a schematic diagram of a coal slurry blending and burning feeding system according to the present utility model;
reference numerals:
1-slime pump A2-slime pump B3-slime pump C4-slime pump D5-slime conveying pipeline A6-slime conveying pipeline B7-pressure transmitter
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
Referring to fig. 1, the coal slime co-firing feeding system comprises a coal slime conveying pipeline A5 and a coal slime conveying pipeline B6, wherein a coal slime pump A1 and a coal slime pump B2 are respectively arranged on the coal slime conveying pipeline A5 and the coal slime conveying pipeline B6; that is, in this case, the slime pump performs independent transportation of the slime through each pipeline;
a pressure supplementing pipeline A and a pressure supplementing pipeline B are bridged between the coal slime conveying pipeline A5 and the coal slime conveying pipeline B6, and a coal slime pump C3 and a coal slime pump D4 are respectively arranged on the pressure supplementing pipeline A and the pressure supplementing pipeline B; that is, in this case, by providing the slime pump C3 and the slime pump D4, the supplementary feeding can be performed in the case of material loss of the slime conveying line A5 and the slime conveying line B6;
the feeding ends of the coal slime pump C3 and the coal slime pump D4 are respectively provided with a stop valve, and the discharging ends of the coal slime pump C3 and the coal slime pump D4 are respectively provided with a one-way valve; the stop valve is suitable for pipeline overhaul and maintenance and safety control; the one-way valve is used for preventing the coal slime from choking.
The pressure transmitters 7 are respectively arranged on the coal slime conveying pipeline A5 and the coal slime conveying pipeline B6.
Further, the pressure transmitter 7 on the coal slime conveying pipeline A5 is arranged at the rear part of the communication position of the pressure supplementing pipeline A and the coal slime conveying pipeline A5;
the pressure transmitter 7 on the coal slime conveying pipeline B6 is arranged at the rear part of the communication position of the pressure supplementing pipeline B and the coal slime conveying pipeline B6.
The effect realized by the method is that the pressure changes of the two coal slime conveying pipelines reported by the two pressure transmitters 7 are monitored in real time and the pressure is correspondingly complemented.
Further, the slime pump A1, the slime pump B2, the slime pump C3 and the slime pump D4 are in signal connection with the control unit through the pressure transmitter 7.
The stop valve is an electric valve and is connected with the control unit through a signal.
Preferably, the control unit is a DCS, and can also be independently controlled by a PLC.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. The utility model provides a coal slime blending burns feeding system, includes coal slime conveying line A and coal slime conveying line B, coal slime conveying line A and coal slime conveying line B on be provided with coal slime pump A and coal slime pump B respectively, its characterized in that: a pressure supplementing pipeline A and a pressure supplementing pipeline B are bridged between the coal slime conveying pipeline A and the coal slime conveying pipeline B, and a coal slime pump C and a coal slime pump D are respectively arranged on the pressure supplementing pipeline A and the pressure supplementing pipeline B;
the feeding ends of the coal slime pump C and the coal slime pump D are respectively provided with a stop valve, and the discharging ends of the coal slime pump C and the coal slime pump D are respectively provided with a one-way valve;
and pressure transmitters are respectively arranged on the coal slime conveying pipeline A and the coal slime conveying pipeline B.
2. The coal slime co-firing feeding system according to claim 1, wherein the pressure transmitter on the coal slime conveying pipeline A is arranged at the rear part of the communication position between the pressure supplementing pipeline A and the coal slime conveying pipeline A;
the pressure transmitter on the coal slime conveying pipeline B is arranged at the rear part of the communication position of the pressure supplementing pipeline B and the coal slime conveying pipeline B.
3. The coal slime co-firing feeding system according to claim 1, wherein the coal slime pump A, the coal slime pump B, the coal slime pump C and the coal slime pump D are in signal connection with the control unit of the pressure transmitter; the stop valve is an electric valve and is connected with the control unit through a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321420652.1U CN220453700U (en) | 2023-06-06 | 2023-06-06 | Coal slime blending and burning feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321420652.1U CN220453700U (en) | 2023-06-06 | 2023-06-06 | Coal slime blending and burning feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220453700U true CN220453700U (en) | 2024-02-06 |
Family
ID=89733710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321420652.1U Active CN220453700U (en) | 2023-06-06 | 2023-06-06 | Coal slime blending and burning feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220453700U (en) |
-
2023
- 2023-06-06 CN CN202321420652.1U patent/CN220453700U/en active Active
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