CN212644581U - Air supply system of fluidized bed boiler - Google Patents

Air supply system of fluidized bed boiler Download PDF

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Publication number
CN212644581U
CN212644581U CN202021358312.7U CN202021358312U CN212644581U CN 212644581 U CN212644581 U CN 212644581U CN 202021358312 U CN202021358312 U CN 202021358312U CN 212644581 U CN212644581 U CN 212644581U
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China
Prior art keywords
adjusting
air supply
block
air
groove
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CN202021358312.7U
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Chinese (zh)
Inventor
王荣定
王天文
陈林贤
徐杰
平国明
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Zhejiang Chunhui Environmental Protection Energy Co ltd
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Zhejiang Chunhui Environmental Protection Energy Co ltd
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Abstract

The utility model relates to the technical field of a fluidized bed boiler, in particular to an air supply system of a fluidized bed boiler, which comprises an air distribution plate, an air cap and an air supply pipe, wherein the air distribution plate is arranged on the boiler, and the air cap is arranged on the air distribution plate; the air supply pipe is arranged outside the boiler and is connected with the core pipe on the air distribution plate; the air supply pipe is provided with an adjusting mechanism, the adjusting mechanism comprises an adjusting shaft, an adjusting plate and a first adjusting assembly, the adjusting shaft is rotatably connected to the air supply pipe, and the adjusting plate is arranged on the adjusting shaft and can seal a channel of the air supply pipe; the first adjusting component is arranged on the air supply pipe and connected with the adjusting shaft. The utility model discloses the adjustment mechanism who sets up can adjust the air supply volume of blast pipe to improve application scope.

Description

Air supply system of fluidized bed boiler
Technical Field
The utility model belongs to the technical field of the technique of fluidized bed boiler and specifically relates to an air supply system of fluidized bed boiler is related to.
Background
The circulating fluidized bed boiler adopts the clean coal combustion technology with the highest industrialization degree.
At present, an air supply system of a fluidized bed boiler comprises an air distribution plate, an air cap and an air supply pipe, wherein the air distribution plate is arranged in the boiler, and the air cap is arranged on the air distribution plate; the air supply pipe is arranged outside the boiler and is connected with the core pipe on the air distribution plate. The air of the blast pipe enters the air distribution plate core pipe and then is blown out from the air cap, so that the pulverized coal in the boiler is better combusted, the combusted pulverized coal in the boiler can be blown up, and the temperature difference between the upper end and the lower end in the boiler is not large.
The above prior art solutions have the following drawbacks: the air supply amount of the air supply pipe is constant, and the air supply amount cannot be adjusted by the air supply pipe, so that the application range is reduced.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art existence, the utility model aims to provide an air supply system of fluidized bed boiler, the adjustment mechanism of setting can adjust the air supply volume of blast pipe to improve application scope.
The above object of the present invention is achieved by the following technical solutions:
an air supply system of a fluidized bed boiler comprises an air distribution plate, an air cap and an air supply pipe, wherein the air distribution plate is arranged on the boiler, and the air cap is arranged on the air distribution plate; the air supply pipe is arranged outside the boiler and is connected with the core pipe on the air distribution plate; the air supply pipe is provided with an adjusting mechanism, the adjusting mechanism comprises an adjusting shaft, an adjusting plate and a first adjusting assembly, the adjusting shaft is rotatably connected to the air supply pipe, and the adjusting plate is arranged on the adjusting shaft and can seal a channel of the air supply pipe; the first adjusting component is arranged on the air supply pipe and connected with the adjusting shaft.
By adopting the technical scheme, the first adjusting assembly is started, the first adjusting assembly drives the adjusting shaft to rotate, the position of the adjusting plate on the adjusting shaft in the air supply pipe changes, and a channel for air supply in the air supply pipe to pass through changes; the wind entering the core tube of the wind distribution plate is changed, and finally the wind quantity coming out of the wind cap is changed; the adjusting mechanism can adjust the air output of the air supply pipe, so that the application range is improved.
The utility model discloses further set up to: the first adjusting assembly comprises a first gear, a second gear, a fixing block and a connecting shaft, the fixing block is arranged on the air supply pipe, the connecting shaft is rotationally connected to the fixing block, and the first gear is connected to the connecting shaft in a key mode; the second gear is connected to the adjusting shaft in a key mode and meshed with the first gear.
By adopting the technical scheme, the connecting shaft is rotated, the first gear on the connecting shaft can rotate, and the second gear meshed with the first gear can rotate with the adjusting shaft; the first adjusting component is simple in structure, operation is convenient, and time is saved, so that efficiency is improved.
The utility model discloses further set up to: the fixed block is provided with a display mechanism, the display mechanism comprises an adjusting block and a display rod, and the adjusting block is arranged on the connecting shaft; a first clamping groove is formed in the adjusting block, the display rod is clamped in the first clamping groove, and display scales are arranged on the side wall of the fixing block.
Through adopting above-mentioned technical scheme, when the regulating spindle rotated, the epaxial regulating block of regulating would drive the motion of demonstration pole, and the demonstration scale that the demonstration pole can point to on the fixed block reflects the position of regulating plate in the air supply pipe to the position of knowing the regulating plate that operating personnel of being convenient for is clear, makes operating personnel can carry out the position of the interior regulating plate of accurate regulation air supply pipe as required.
The utility model discloses further set up to: the adjusting block is provided with a reinforcing mechanism, the reinforcing mechanism comprises a reinforcing block and a second adjusting assembly, and the display rod is provided with a reinforcing groove; a groove is formed in the side wall of the first clamping groove, and the reinforcing block is connected in the groove in a sliding mode and is clamped with the reinforcing groove; the second adjusting component is arranged on the adjusting block and connected with the reinforcing block.
By adopting the technical scheme, the display rod is firstly clamped in the first clamping groove, then the second adjusting component is adjusted, and the second adjusting component drives the reinforcing block to be clamped with the reinforcing groove on the display rod; the reinforcing mechanism who sets up can improve the stability of display pole on the regulating block to can make the display pole pull down from the regulating block.
The utility model discloses further set up to: the second adjusting component comprises a screw rod and a rotary table, a threaded hole communicated with the groove is formed in the adjusting block, one end of the screw rod is rotatably connected to the reinforcing block, the other end of the screw rod penetrates through the threaded hole, and the rotary table is arranged on one end of the screw rod penetrating through the threaded hole.
By adopting the technical scheme, the turntable is rotated to drive the screw rod to rotate, and the screw rod is in threaded connection with the threaded hole, so that when the screw rod rotates, the screw rod can relatively move relative to the threaded hole, and the screw rod can drive the reinforcing block to slide in the groove; the second adjusting component is simple in structure and convenient to operate.
The utility model discloses further set up to: the air supply pipe is provided with a guide pipe, and the guide pipe is provided with a connecting pipe connected with the air distribution plate core pipe.
By adopting the technical scheme, the air in the air supply pipe firstly enters the guide pipe, then enters the connecting pipe and finally enters the core pipe of the air distribution plate.
The utility model discloses further set up to: be provided with the filter screen on the hood, be provided with on the grid plate with coupling mechanism that the filter screen is connected, coupling mechanism includes first connecting block, second connecting block and coupling assembling, first connecting block sets up on the grid plate, the second connecting block sets up on the filter screen, coupling assembling sets up on the first connecting block and with the second connecting block is connected.
By adopting the technical scheme, the filter screen is sleeved on the blast cap, and the arranged filter screen can block impurities to prevent the impurities from blocking an air outlet on the blast cap; when the second connecting block contradicts the grid plate, connect the second connecting block on the filter screen on first connecting block with coupling assembling, can improve the stability of filter screen on the grid plate.
The utility model discloses further set up to: the first connecting block is provided with a sliding hole, and the first connecting block is provided with a connecting groove communicated with the sliding hole; a second clamping groove is formed in the second connecting block; the connecting assembly comprises a connecting rod, a connecting plate and a spring, and the connecting rod is connected in the sliding hole in a sliding mode and can be clamped with the second clamping groove; the connecting plate is arranged on the connecting rod and is positioned in the connecting groove; the spring is sleeved on the connecting rod, one end of the spring is connected to the connecting plate, and the other end of the spring is connected to the side wall of the connecting groove.
By adopting the technical scheme, when the second connecting block is about to abut against the air distribution plate, the connecting rod is pulled to move towards the direction far away from the core pipe, the connecting plate on the connecting rod can drive the spring to deform, and one end, close to the core pipe, of the connecting rod extends into the sliding hole; when the second connecting block abuts against the air distribution plate, the connecting rod is loosened, the spring can restore elastic deformation, and under the action of the elastic force of the spring, the connecting rod can move in the sliding hole and is clamped with a second clamping groove in the second connecting block; the connecting assembly is simple in structure, operation is facilitated, and time is saved, so that efficiency is improved.
To sum up, the utility model discloses a beneficial technological effect does:
1. the arranged adjusting mechanism can adjust the air output of the air supply pipe, so that the application range is improved;
2. the connecting mechanism can improve the stability of the filter screen on the air distribution plate.
Drawings
FIG. 1 is a schematic structural view of an air supply system of a fluidized bed boiler according to the present invention;
FIG. 2 is a schematic structural view of the air distribution plate of the present invention;
FIG. 3 is an exploded view of the filter screen of the present invention, showing the hood;
fig. 4 is a cross-sectional view of a first connecting block embodying the connecting assembly of the present invention;
fig. 5 is a schematic structural diagram of the adjusting mechanism of the present invention;
fig. 6 is a cross-sectional view of the adjusting block of the present invention, showing a reinforcing mechanism.
Reference numerals: 110. a wind distribution plate; 120. a hood; 130. an air supply pipe; 140. a guide tube; 150. a connecting pipe; 200. an adjustment mechanism; 210. an adjustment shaft; 220. an adjusting plate; 230. a first adjustment assembly; 231. a first gear; 232. a second gear; 233. a fixed block; 234. a connecting shaft; 235. an adjusting disk; 300. a display mechanism; 310. an adjusting block; 311. a groove; 320. a display lever; 400. a reinforcement mechanism; 410. a reinforcing block; 420. a second adjustment assembly; 421. a screw; 422. a turntable; 500. a filter screen; 600. a connecting mechanism; 610. a first connection block; 611. connecting grooves; 612. a placement groove; 620. a second connecting block; 630. a connecting assembly; 631. a connecting rod; 632. a connecting plate; 633. a spring; 700. a boiler.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, for the utility model discloses an air supply system of fluidized bed boiler, including air distribution plate 110 of fixed connection on boiler 700, boiler 700 is provided with blast pipe 130 outward, fixedly connected with stand pipe 140 on the blast pipe 130, is connected with the connecting pipe 150 of being connected with air distribution plate 110 core pipe on the stand pipe 140.
Referring to fig. 2 and 3, the core tube of the wind distribution plate 110 is clamped with a wind cap 120, and the wind cap 120 is provided with a wind outlet.
Referring to fig. 3 and 4, the wind cap 120 is sleeved with a filter screen 500; the air distribution plate 110 is provided with a connecting mechanism 600 connected with the filter screen 500, the connecting mechanism 600 comprises a second connecting block 620 fixedly connected to the lower end of the filter screen 500, and a second clamping groove is formed in the second connecting block 620; the air distribution plate 110 is fixedly connected with a first connecting block 610 (refer to fig. 2), the first connecting block 610 is provided with a placing groove 612 for placing a second connecting block 620, the first connecting block 610 is provided with a sliding hole communicated with the placing groove 612, and the side wall of the sliding hole is provided with a connecting groove 611. The first connecting block 610 is provided with a connecting assembly 630, the connecting assembly 630 comprises a connecting rod 631 slidably connected in the sliding hole, the connecting rod 631 is integrally provided with a connecting plate 632, and the connecting plate 632 can slidably move in the connecting groove 611; the connecting rod 631 is sleeved with a spring 633, one end of the spring 633 is connected with the connecting plate 632, and the other end is connected to the side wall of the connecting groove 611.
Referring to fig. 1 and 5, an adjusting mechanism 200 is disposed on the air supply pipe 130, the adjusting mechanism 200 includes an adjusting shaft 210 rotatably connected to the air supply pipe 130, the adjusting shaft 210 is fixedly connected with an adjusting plate 220, the adjusting plate 220 is located in the air supply pipe 130, and the adjusting plate 220 can seal a passage through which air passes through the air supply pipe 130. A first adjusting component 230 is arranged on the blast pipe 130, the first adjusting component 230 comprises a fixed block 233 fixedly connected to the side wall of the blast pipe 130, and a plurality of display scales are arranged on the side wall of the fixed block 233; the fixed block 233 is rotatably connected with a connecting shaft 234, one end of the connecting shaft 234 penetrates through the fixed block 233, and one end of the connecting shaft 234 penetrating through the fixed block 233 is fixedly connected with an adjusting disc 235; a first gear 231 is keyed on the other end of the connecting shaft 234; one end of the adjusting shaft 210 passes through the air supply pipe 130, and a second gear 232 engaged with the first gear 231 is keyed on one end of the adjusting shaft 210 passing through the air supply pipe 130.
Referring to fig. 5 and 6, a display mechanism 300 is disposed on the connecting shaft 234, the display mechanism 300 includes an adjusting block 310 fixedly connected to the connecting shaft 234, the adjusting block 310 is located between the adjusting plate 235 and the fixing block 233 (refer to fig. 1), one end of the adjusting block 310 away from the connecting shaft 234 is provided with a first slot, and a side wall of the slot 311 is provided with a slot 311; one end of the adjusting block 310, which is far away from the connecting shaft 234, is provided with a threaded hole communicated with the groove 311, and the axis of the threaded hole is overlapped with the axis of the groove 311; the display rod 320 is clamped in the first clamping groove, the reinforcing groove is formed in the display rod 320, and the display rod 320 indicates display scales at different positions on the fixing block 233 to reflect the position of the adjusting plate 220 in the air supply pipe 130.
The adjusting block 310 is provided with a reinforcing mechanism 400, the reinforcing mechanism 400 comprises a reinforcing block 410 connected in the groove 311 in a sliding manner, and the reinforcing block 410 can be clamped with the second clamping groove; the adjusting block 310 is provided with a second adjusting assembly 420, the second adjusting assembly 420 comprises a screw 421 rotatably connected to the reinforcing block 410, one end of the screw 421 far away from the reinforcing block 410 penetrates through the threaded hole, and a rotary table 422 is fixedly connected to the screw 421 penetrating through the threaded hole; the screw 421 is screwed with the threaded hole.
The implementation principle of the embodiment is as follows: the wind cap 120 is firstly clamped on the core tube of the wind distribution plate 110, and then the filter screen 500 is sleeved on the wind cap 120. When the filter screen 500 is installed, the second connecting block 620 is moved towards the direction close to the placing groove 612, when the second connecting block 620 is about to enter the placing groove 612, the connecting rod 631 is pulled, the connecting rod 631 is moved towards the direction far away from the placing groove 612, the connecting plate 632 on the connecting rod 631 drives the spring 633 to deform, and one end of the connecting rod 631, close to the placing groove 612, extends into the sliding hole; when second connecting block 620 is placed in the standing groove 612 completely, loosen connecting rod 631, spring 633 can resume elastic deformation, and under the effect of spring 633 elasticity, connecting rod 631 can move towards the direction that is close to second connecting block 620 in the slide opening and with the second draw-in groove joint on the second connecting block 620.
Then with the joint of display rod 320 in first draw-in groove, rotate carousel 422, carousel 422 drives screw 421 and rotates, because screw 421 and screw hole threaded connection, so when screw 421 pivoted, screw 421 can take place the motion relatively the screw hole, and screw 421 will drive reinforcing block 410 towards the direction motion that is close to display rod 320 and with the second draw-in groove joint on the display rod 320 in recess 311.
The adjusting disk 235 is rotated as required, the adjusting disk 235 drives the connecting shaft 234 to rotate, the first gear 231 on the connecting shaft 234 rotates, the second gear 232 meshed with the first gear 231 drives the adjusting shaft 210 to rotate, the adjusting shaft 210 drives the position in the adjusting plate 220 to find changes, and a channel for air supply in the air supply pipe 130 to pass through changes. When the connecting shaft 234 rotates, the adjusting block 310 on the connecting shaft 234 drives the display rod 320 to move, and the display rod 320 indicates the display scales at different positions on the fixing block 233 to reflect the position of the adjusting plate 220 in the air delivery pipe 130.
The wind enters the guide tube 140 through the blast tube 130, then enters the connection tube 150, then enters the core tube of the wind distribution plate 110, and finally is discharged through the wind outlet of the hood 120.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. An air supply system of a fluidized bed boiler comprises an air distribution plate (110), an air cap (120) and an air supply pipe (130), wherein the air distribution plate (110) is arranged on a boiler (700), and the air cap (120) is arranged on the air distribution plate (110); the blast pipe (130) is arranged outside the boiler (700) and is connected with the core pipe on the air distribution plate (110); the air supply pipe sealing device is characterized in that an adjusting mechanism (200) is arranged on the air supply pipe (130), the adjusting mechanism (200) comprises an adjusting shaft (210), an adjusting plate (220) and a first adjusting assembly (230), the adjusting shaft (210) is rotatably connected to the air supply pipe (130), and the adjusting plate (220) is arranged on the adjusting shaft (210) and can seal a channel of the air supply pipe (130); the first adjusting component (230) is arranged on the air supply pipe (130) and is connected with the adjusting shaft (210).
2. The air supply system of the fluidized bed boiler, according to the claim 1, characterized in that the first adjusting component (230) comprises a first gear (231), a second gear (232), a fixed block (233) and a connecting shaft (234), the fixed block (233) is arranged on the air supply pipe (130), the connecting shaft (234) is rotatably connected to the fixed block (233), and the first gear (231) is connected to the connecting shaft (234) in a key mode; the second gear (232) is keyed on the adjustment shaft (210) and meshes with the first gear (231).
3. An air supply system of a fluidized bed boiler as claimed in claim 2, characterized in that a display mechanism (300) is arranged on the fixed block (233), the display mechanism (300) comprises an adjusting block (310) and a display rod (320), the adjusting block (310) is arranged on the connecting shaft (234); a first clamping groove is formed in the adjusting block (310), the display rod (320) is clamped in the first clamping groove, and display scales are arranged on the side wall of the fixing block (233).
4. The air supply system of the fluidized bed boiler as recited in claim 3, wherein a reinforcing mechanism (400) is arranged on the adjusting block (310), the reinforcing mechanism (400) comprises a reinforcing block (410) and a second adjusting component (420), and a reinforcing groove is formed on the display rod (320); a groove (311) is formed in the side wall of the first clamping groove, and the reinforcing block (410) is connected in the groove (311) in a sliding mode and is clamped with the reinforcing groove; the second adjusting assembly (420) is disposed on the adjusting block (310) and connected with the reinforcing block (410).
5. The air supply system of the fluidized bed boiler of claim 4, wherein the second adjusting assembly (420) comprises a screw (421) and a rotating disc (422), the adjusting block (310) is provided with a threaded hole communicated with the groove (311), one end of the screw (421) is rotatably connected to the reinforcing block (410) and the other end of the screw passes through the threaded hole, and the rotating disc (422) is arranged at one end of the screw (421) passing through the threaded hole.
6. An air supply system of a fluidized bed boiler according to claim 2, wherein a guide pipe (140) is provided on the air supply pipe (130), and a connection pipe (150) connected to the core pipe of the air distribution plate (110) is provided on the guide pipe (140).
7. An air supply system of a fluidized bed boiler according to claim 1, wherein a filter screen (500) is disposed on the hood (120), a connecting mechanism (600) connected to the filter screen (500) is disposed on the air distribution plate (110), the connecting mechanism (600) comprises a first connecting block (610), a second connecting block (620) and a connecting assembly (630), the first connecting block (610) is disposed on the air distribution plate (110), the second connecting block (620) is disposed on the filter screen (500), and the connecting assembly (630) is disposed on the first connecting block (610) and connected to the second connecting block (620).
8. The air supply system of the fluidized bed boiler as recited in claim 7, wherein said first connecting block (610) is provided with a sliding hole, and said first connecting block (610) is provided with a connecting groove (611) communicated with said sliding hole; a second clamping groove is formed in the second connecting block (620); the connecting assembly (630) comprises a connecting rod (631), a connecting plate (632) and a spring (633), and the connecting rod (631) is connected in the sliding hole in a sliding mode and can be clamped with the second clamping groove; the connecting plate (632) is arranged on the connecting rod (631) and is positioned in the connecting groove (611); the spring (633) is sleeved on the connecting rod (631), one end of the spring (633) is connected to the connecting plate (632) and the other end of the spring is connected to the side wall of the connecting groove (611).
CN202021358312.7U 2020-07-10 2020-07-10 Air supply system of fluidized bed boiler Active CN212644581U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021358312.7U CN212644581U (en) 2020-07-10 2020-07-10 Air supply system of fluidized bed boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021358312.7U CN212644581U (en) 2020-07-10 2020-07-10 Air supply system of fluidized bed boiler

Publications (1)

Publication Number Publication Date
CN212644581U true CN212644581U (en) 2021-03-02

Family

ID=74789581

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021358312.7U Active CN212644581U (en) 2020-07-10 2020-07-10 Air supply system of fluidized bed boiler

Country Status (1)

Country Link
CN (1) CN212644581U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Zhejiang Chunhui solid waste treatment Co.,Ltd.

Assignor: ZHEJIANG CHUNHUI ENVIRONMENTAL PROTECTION ENERGY Co.,Ltd.

Contract record no.: X2021980008501

Denomination of utility model: An air supply system for vulcanization bed boiler

Granted publication date: 20210302

License type: Common License

Record date: 20210830

EE01 Entry into force of recordation of patent licensing contract
EC01 Cancellation of recordation of patent licensing contract

Assignee: Zhejiang Chunhui solid waste treatment Co.,Ltd.

Assignor: ZHEJIANG CHUNHUI ENVIRONMENTAL PROTECTION ENERGY CO.,LTD.

Contract record no.: X2021980008501

Date of cancellation: 20230906

EC01 Cancellation of recordation of patent licensing contract