CN217875827U - Bed material adding system of circulating fluidized bed boiler - Google Patents
Bed material adding system of circulating fluidized bed boiler Download PDFInfo
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- CN217875827U CN217875827U CN202221515012.4U CN202221515012U CN217875827U CN 217875827 U CN217875827 U CN 217875827U CN 202221515012 U CN202221515012 U CN 202221515012U CN 217875827 U CN217875827 U CN 217875827U
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Abstract
The utility model discloses a circulating fluidized bed boiler bed material addition system, between the coal bunker, be equipped with plough tripper on the belt between the coal bunker, plough tripper bottom is equipped with the coal scuttle, the coal scuttle bottom is equipped with the coal breakage mouth, coal breakage mouth one end is connected with tertiary batcher, boiler coal feeding mouth is connected to the other end, it is equipped with the electronic belt weigher to go into the stove coal to weigh between, it is equipped with into the stove between sampling according to raw coal or bed material traffic direction on the belt to go into the stove coal to weigh between the upper reaches, it is equipped with between deironing to go into the stove sampling between the upper reaches, it is equipped with disk electromagnetism deironing ware to go into the stove belt top between the deironing, coal storage silo I arranges along belt traffic direction with coal storage silo II, coal storage silo II bottoms are equipped with linear coal feeder, the transfer station upper reaches are equipped with start-up hopper I. The bed material adding system of the circulating fluidized bed boiler adopts a feeder for feeding, is safe and controllable in operation, free of blocking risk, capable of continuously feeding, low in investment, simple in system, flexible in adjustment, convenient to arrange and small in interference.
Description
Technical Field
The utility model belongs to the technical field of circulating fluidized bed boiler bed material addition system, concretely relates to circulating fluidized bed boiler bed material addition system.
Background
Bed material addition systems for circulating fluidized bed boilers are currently generally divided into mechanical, pneumatic and manual bed material addition systems. Mechanical addition needs set up the bucket elevator in the stokehold, promotes bed material to high-order feed bin, then the bed material gets into furnace through flowing automatically by the bottom of the storehouse, adopts this scheme to arrange by certain influence other equipment and pipeline in the boiler framework scope, and the cost is higher moreover, and the pipeline that flows automatically blocks up easily.
Bed material is added to strength system, carries with the fill and sends into the feed bin with the hopper, and bed material gets into the buffering feed bin through the shale shaker of feed bin export, and buffering feed bin export sets up the storehouse pump, if one-level storehouse pump system, can add bed material through compressed air malleation dense phase is intermittent, if needs continuous adjustable interpolation bed material, then needs two-stage storehouse pump system. The pneumatic bed material adding system is complex, high in manufacturing cost and complex in arrangement, and has great influence on the type selection and the number of the air compressors.
The manual bed material adding technology is suitable for small boilers, has high labor intensity, does not accord with the spirit of occupational health and people orientation, and is an eliminated feeding technology. Therefore, a new bed material adding system of the circulating fluidized bed boiler is needed to solve the problems and meet the requirements of people.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circulating fluidized bed boiler bed material adds system to solve the circulating fluidized bed boiler and start and add the problem of bed material on line.
In order to achieve the above object, the utility model provides a following technical scheme: a bed material adding system of a circulating fluidized bed boiler comprises
The coal bunker system comprises a coal bunker, wherein a plough type discharger is arranged inside the coal bunker, a coal hopper is arranged at the bottom of the plough type discharger, a boiler coal feeding port is arranged at the bottom of the coal hopper, one end of the boiler coal feeding port is connected with a three-stage feeder, a two-stage feeder is arranged above a body of the three-stage feeder, a discharge port of the one-stage feeder is connected with a feed port of a starting hopper, a transfer station between the coal bunkers is arranged on one side of the coal bunker, a loading weighing room is arranged on the upper portion of the transfer station between the coal bunkers, an electronic belt scale is arranged on a belt between the loading weighing rooms, a loading sampling room is arranged on the upper portion of the loading weighing room, a loading sampling room is arranged between the loading sampling room, a loading sampling room is arranged on the upper portion of a silo between the loading sampling room, a disc type electromagnetic iron remover is arranged above the belt between the loading sampling room, a belt conveyor is arranged on the upper portion of the belt conveyor, a coal crushing room is arranged in the center of the coal crusher, a buffering material homogenizing device is arranged on the bottom of the silo, a crushing machine is arranged on the silo, a damping platform is arranged on the upper portion of the silo, a coal storage hopper I, a linear coal storage hopper is arranged on the lower portion of the coal silo, and a coal storage hopper, a linear coal storage hopper I is arranged on the lower portion of the coal silo, and a coal storage hopper.
The technical scheme includes that the raw coal bin, the belt, the coal breaker, the iron remover, the coal as fired sampling, weighing, the raw coal bin, the three-stage feeder and other devices are coal feeding facilities between boiler coal bins, the coal feeding system is used for feeding bed materials into a starting hopper between the coal bins, the bed materials are fed into the two-stage feeder from the starting hopper through the one-stage feeder, then the bed materials are fed into the three-stage feeder through the two-stage feeder, and finally the bed materials are fed into a hearth through the three-stage feeder. The three-stage feeder is a coal feeder, and in the scheme, the three-stage feeder is also used as a last-stage conveyor of bed materials.
Preferably, the transfer station is connected with the coal crushing chamber through a belt conveyor.
Preferably, a three-way baffle is arranged at an outlet of the starting hopper I.
Preferably, the secondary feeder adopts a screw conveyor.
Preferably, a discharge opening is formed in the projection intersection of the three-stage feeder and the two-stage feeder.
Preferably, the end part of the secondary feeder is provided with an outlet valve.
The utility model discloses a technological effect and advantage: this kind of circulating fluidized bed boiler bed material addition system utilizes the tertiary batcher feeding system of coaling system, adopts the batcher material loading, but continuous feed, and the operation is safe controllable, and the no risk bed material that blocks up adds evenly, and the investment economizes, and the system is simple, adjusts in a flexible way, arranges the convenience, and is little with other equipment pipeline interference.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the arrangement structure of the present invention.
In the figure: 1-bunker bay, 101-bunker, 102-plough discharger, 103-bunker coal drop, 104-tertiary feeder, 105-secondary feeder, 106-primary feeder, 107-start hopper, 2-bunker bay transfer station, 3-furnace-entering weighing bay, 4-furnace-entering sampling bay, 5-iron removal bay, 501-disc electromagnetic iron remover, 6-belt conveyor, 7-coal breaker chamber, 701-buffer refining device, 702-coal breaker, 703-vibration reduction platform, 8-transfer station, 801-coal storage silo I, 802-coal storage silo II, 803-linear coal feeder, and 9-start hopper I.
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 efforts all belong to the protection scope of the present invention.
The utility model provides a bed material adding system of a circulating fluidized bed boiler as shown in figure 1 and figure 2, which comprises
A plough type discharger 102 is arranged on a belt of a coal bunker bay 1, a coal bunker 101 is arranged at the bottom of the plough type discharger 102, a coal drop port 103 is arranged at the bottom of the coal bunker 101, one end of the coal drop port 103 is connected with an inlet of a three-stage feeder 104, a discharge port of a second-stage feeder 105 is connected above a body of each three-stage feeder 104, a feed port of the second-stage feeder 105 is connected with a first-stage feeder 106, a feed port of the first-stage feeder 106 is connected with a discharge port of a starting hopper 107, a transfer station 2 between coal bunkers is arranged at one side of the coal bunker bay 1, a furnace entering weighing bay 3 is arranged at the upper part of the transfer station 2 between the coal bunkers, an electronic belt scale 301 is arranged at the furnace entering weighing bay 3, a furnace entering sampling bay 4 is arranged at the upper part of the furnace entering weighing bay 3, the coal feeding sampling room 4 is provided with a coal feeding sampling device 401, the upstream of the coal feeding sampling room 4 is provided with a deironing room 5, a disc type electromagnetic deironing device 501 is arranged above a belt of the deironing room 5, the deironing room 5 is provided with a belt conveyor 6, the upstream of the belt conveyor 6 is provided with a coal crushing chamber 7, the coal crushing chamber 7 is provided with a buffering and refining device 701, the bottom of the buffering and refining device 701 is provided with a coal crusher 702, the bottom of the coal crusher 702 is provided with a damping platform 703, the left side of the coal crushing chamber 7 is provided with a transfer station 8, the bottom of the transfer station 8 is provided with a coal storage silo I801, the upstream of the coal storage silo I801 is provided with a coal storage silo II 802, the bottom of the coal storage silo II 802 is provided with a linear coal feeder 803, and the left side of the transfer station 8 is provided with a starting hopper I9.
Specifically, the transfer station 8 is connected to the crusher chamber 7 via the belt conveyor 6.
Specifically, a three-way baffle is arranged at an outlet of the starting hopper I9.
Specifically, the secondary feeder 105 employs a screw conveyor.
Specifically, a discharge opening is formed in the projection intersection of the tertiary feeder 104 and the secondary feeder 105.
Specifically, the end of the secondary feeder 105 is provided with an outlet valve.
The working principle is as follows: in the using process of the circulating fluidized bed boiler bed material adding system, bed materials are injected into a starting hopper I9 through a dump truck in a coal yard, a three-way baffle is arranged at the outlet of the starting hopper I9, base materials can be sent into any belt, a belt conveyor 6 conveys the bed materials to sequentially pass through a coal crushing chamber 7, an iron removing chamber 5, a furnace entering sampling chamber 4 and the like to enter a coal bunker chamber 1, the bed materials are unloaded into the hopper through a plow discharger 102 above the starting hopper 107, the hopper outlet sends the bed materials to the front of a furnace through a primary feeder 106, the bed materials automatically flow into a secondary feeder 105 from the outlet of the primary feeder 106, the secondary feeder 105 adopts a screw conveyor to span all the tertiary feeders 104, a discharge opening is arranged at a projection intersection with each coal feeder, when the system operates, an outlet valve of the secondary feeder 105 is opened, the bed materials can automatically flow into a bed material adding opening above the corresponding tertiary feeder 104 from a discharge opening below the secondary feeder 105, and the bed materials are sent into a coal inlet of the boiler through the tertiary feeder. The coal feeding points are arranged according to the optimal distribution of the combustion of the hearth, so the bed material falling points are also very uniform, and the coal feeder is continuously operated, so the combustion movement of the hearth caused by bed material addition is small.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.
Claims (6)
1. A circulating fluidized bed boiler bed material addition system which characterized in that: comprises that
The coal bunker is characterized by comprising a coal bunker chamber (1), a plough type discharger (102) is arranged inside the coal bunker chamber (1), a coal hopper (101) is arranged at the bottom of the plough type discharger (102), a coal drop port (103) is arranged at the bottom of the coal hopper (101), one end of the coal drop port (103) is connected with a three-stage feeder (104), a second-stage feeder (105) is arranged above a body of the three-stage feeder (104), one end of the second-stage feeder (105) is connected with a first-stage feeder (106), one end of the first-stage feeder (106) is connected with a starting hopper (107), a coal bunker chamber transfer station (2) is arranged on one side of the coal bunker chamber (1), an entering furnace weighing chamber (3) is arranged on the upstream of the coal bunker chamber transfer station (2), an electronic scale (301) is arranged on the entering furnace weighing chamber (3), an entering furnace sampling chamber (4) is arranged on the upstream of the entering furnace sampling chamber (4), an entering furnace sampling chamber (4) is provided with an entering furnace sampling device (401), an iron removing chamber (5) is arranged on the upstream of the entering furnace sampling chamber (4), an electromagnetic belt type iron removing machine (501) is arranged on the upper side of the coal crushing and a crushing and iron-distributing device (7) is arranged on one end of the crushing and conveying belt type conveyer, buffering refining device (701) bottom is equipped with coal breaker (702), coal breaker (702) bottom is equipped with damping platform (703), coal breaker room (7) upper reaches are equipped with transfer station (8), transfer station (8) bottom is equipped with storage coal silo I (801), storage coal silo I (801) upper reaches are equipped with storage coal silo II (802), storage coal silo II (802) bottom is equipped with linear feeder (803), near transfer station (8) are equipped with start-up hopper I (9).
2. The circulating fluidized bed boiler bed material addition system of claim 1, wherein: the transfer station (8) is connected with the crushed coal machine chamber (7) through a belt conveyor (6).
3. The circulating fluidized bed boiler bed material addition system of claim 1, wherein: and a three-way baffle is arranged at an outlet of the starting hopper I (9).
4. The circulating fluidized bed boiler bed material addition system of claim 1, wherein: the primary feeding machine (106) and the secondary feeding machine (105) adopt a screw conveyer.
5. The circulating fluidized bed boiler bed material addition system of claim 1, wherein: and a discharge opening is formed in the projection intersection of the three-stage feeder (104) and the two-stage feeder (105).
6. The circulating fluidized bed boiler bed material addition system of claim 1, wherein: and outlet valves are arranged at the intersection of the plane projection of the secondary feeder (105) body and each tertiary feeder (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221515012.4U CN217875827U (en) | 2022-06-17 | 2022-06-17 | Bed material adding system of circulating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221515012.4U CN217875827U (en) | 2022-06-17 | 2022-06-17 | Bed material adding system of circulating fluidized bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217875827U true CN217875827U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221515012.4U Active CN217875827U (en) | 2022-06-17 | 2022-06-17 | Bed material adding system of circulating fluidized bed boiler |
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| Country | Link |
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| CN (1) | CN217875827U (en) |
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2022
- 2022-06-17 CN CN202221515012.4U patent/CN217875827U/en active Active
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Inventor after: Gu Haijun Inventor after: Wang Shaofang Inventor after: Lu Shiqi Inventor after: Huang Pengyang Inventor after: Liu Yalong Inventor after: Sun Yuan Inventor after: He Yeneng Inventor after: An Xiang Inventor after: Fei Zhenwei Inventor after: Zhang Jing Inventor after: Yin Tiantian Inventor before: Gu Haijun Inventor before: Wang Shaofang Inventor before: Lu Shiqi Inventor before: Huang Pengyang Inventor before: Liu Yalong Inventor before: Sun Yuan Inventor before: He Yeneng Inventor before: An Xiang Inventor before: Fei Zhenwei Inventor before: Zhang Jing Inventor before: Yin Tiantian |