CN205174345U - Fluidized bed boiler hood - Google Patents
Fluidized bed boiler hood Download PDFInfo
- Publication number
- CN205174345U CN205174345U CN201520948837.9U CN201520948837U CN205174345U CN 205174345 U CN205174345 U CN 205174345U CN 201520948837 U CN201520948837 U CN 201520948837U CN 205174345 U CN205174345 U CN 205174345U
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- CN
- China
- Prior art keywords
- blast cap
- cap head
- adapter
- screw
- head
- 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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- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The utility model discloses a fluidized bed boiler hood belongs to fluidized bed boiler subassembly field, aims at providing the fluidized bed boiler hood that can install the hood head fast and can not come off, its technical scheme as follows, a fluidized bed boiler hood, including taking over and installing at the hood head of taking over the upper end, be provided with centre bore parallel connection ventilator head on the lateral wall of takeover, the lower part circumference evenly distributed of hood head has swirl shape hole, be provided with the slewing mechanism who is used for hood head horizontal direction free rotation in the hood head, the upper end of taking over is provided with the stop gear who is used for along taking over the disposable joint slewing mechanism of axis direction.
Description
Technical field
The utility model relates to a kind of fluidized-bed combustion boiler assembly, and more particularly, it relates to a kind of fluidized-bed combustion boiler blast cap.
Background technology
Wind cap for boiler is a part for boiler wind speed adjustment device, and air distribution device is the important component part of CFBB, and the effect of air distribution device makes air enter boiling section bottom section uniformly, to ensure the burning of fuel temperature under good fluidized state.Air distribution device is made up of air distribution plate and Wind cap for boiler.Blast cap has the pattern such as mushroom hair style, cylindricality, spherical and umbrella shape.
At present, on market (application number be 200810023830.0 Chinese patent disclose a kind of swirling eddy defluvium-proof kirtle), it comprises and adopts blast cap head connecting tubes, and feature is provided with scroll hole on blast cap head; Described blast cap head is provided with breach and block; Described adapter base is provided with fixture block.Although this swirling eddy defluvium-proof kirtle can ensure that blast cap head can not come off, but when blast cap head is installed in adapter, the position of block and fixture block is needed to misplace and could install, the process Apoplexy cap head which results in installing can not be quickly installed in adapter, and after needing to rotate blast cap first fixed angle, block and fixture block are misplaced could to be installed in adapter completely, and this blast cap is arranged on air distribution plate, and be that several this blast caps are set on air distribution plate, each blast cap head needs step loaded down with trivial details like this to install, make that these blast cap heads are installed on air distribution plate and just need a large amount of time.Therefore, a kind of novel blast cap is just badly in need of.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model be to provide a kind of can Fast Installation blast cap head and the fluidized-bed combustion boiler blast cap that can not come off.
For achieving the above object, the utility model provides following technical scheme: a kind of fluidized-bed combustion boiler blast cap, comprise adapter and be arranged on the blast cap head taking over upper end, the sidewall of described adapter is provided with centre bore and is communicated with blast cap head, the bottom circumference of described blast cap head is evenly distributed with scroll hole, be provided with the rotating mechanism freely rotated for blast cap head horizontal direction in described blast cap head, the upper end of described adapter is provided with the position-limit mechanism for connecing rotating mechanism along adapter axis direction one-off card.
By adopting technique scheme, the rotation that the rotating mechanism arranged in blast cap head is spontaneous under can making the wind-force effect of blast cap head in scroll hole, make the gas-solid mixing in burner hearth more even, the air-out position avoided because of blast cap head is fixed and causes dead angle, the upper end that the rotating mechanism that adapter is arranged can be nested into adapter at blast cap head is directly disposable with rotating mechanism clamping, make blast cap headgear take on time directly by blast cap head downwards by the connection that just can realize blast cap head and adapter, very quick, and rotating mechanism and position-limit mechanism clamping make blast cap head can not come off from taking over.
The utility model is set to further: described rotating mechanism comprises connecting rod and screw, one end of described connecting rod is fixedly connected with the top of the inside of blast cap head, and the dead in line of the straight line at connecting rod place and blast cap head, the other end of described connecting rod is fixedly connected with screw, and described screw is embedded into position-limit mechanism.
By adopting technique scheme, be fixedly connected with the top of the inside of blast cap head by one end of connecting rod, the other end is connected with screw, and screw is embedded in position-limit mechanism, while making blast cap head be embedded into and realize clamping by screw in position-limit mechanism, its screw can rotate freely and blast cap head also can be rotated, thus makes the power formed in scroll hole that blast cap head can be driven to rotate.
The utility model is set to further: described position-limit mechanism is made up of cylinder table, one end of described cylinder table is fixedly connected with the top of adapter, the other end was provided with the groove of semicircle, and described groove coordinates with screw not to be deviate from for limiting screw in groove.
By adopting technique scheme, by the cylinder table arranged in adapter, and one end of son cylinder table arranges the groove crossing semicircle embedded for screw, screw is blocked by groove and can not be random be subjected to displacement, reach with this and limit screw, so by screw limit blast cap head can not occur from adapter come off.
The utility model is set to further: described scroll hole is by the edge downward-sloping setting in blast cap head direction dorsad.
By adopting technique scheme, to prevent the wind sprayed from scroll hole from acting in the horizontal direction and adjacent blast cap head by scroll hole along the downward-sloping setting in blast cap head direction dorsad, prevent the wearing and tearing of blast cap head, and by downward-sloping for scroll hole, make direct effect and air distribution plate to improve the disturbance of the air distribution plate bed of material from the gas of scroll hole ejection.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of fluidized-bed combustion boiler blast cap embodiment;
Fig. 2 is the sectional view at A-A place in Fig. 1.
Reference numeral: 1, take over; 2, blast cap head; 3, centre bore; 4, scroll hole; 5, connecting rod; 6, screw; 7, cylinder table; 8, groove; 9, cavity.
Detailed description of the invention
With reference to Fig. 1, Fig. 2, fluidized-bed combustion boiler blast cap embodiment is described further.
A kind of fluidized-bed combustion boiler blast cap, comprise adapter 1 and the blast cap head 2 being arranged on adapter 1 upper end, the sidewall of described adapter 1 is provided with centre bore 3 and is communicated with blast cap head 2, the bottom circumference of described blast cap head 2 is evenly distributed with scroll hole 4, be provided with the rotating mechanism freely rotated for blast cap head 2 horizontal direction in described blast cap head 2, the upper end of described adapter 1 is provided with the position-limit mechanism for connecing rotating mechanism along adapter 1 axis direction one-off card.
Described rotating mechanism comprises connecting rod 5 and screw 6, one end of described connecting rod 5 is fixedly connected with the top of the inside of blast cap head 2, and the straight line at connecting rod 5 place and the dead in line of blast cap head 2, the other end of described connecting rod 5 is fixedly connected with screw 6, and described screw 6 is embedded into position-limit mechanism.
Described position-limit mechanism is made up of cylinder table 7, and one end of described cylinder table 7 is fixedly connected with the top of adapter 1, and the other end was provided with the groove 8 of semicircle, and described groove 8 coordinates with screw 6 not to be deviate from for limiting screw 6 in groove 8.
Described scroll hole 4 is by the edge downward-sloping setting in blast cap head 2 direction dorsad.
In the present embodiment, described blast cap head 2 top is spherical, and bottom is cylindrical, and blast cap head 2 inside is provided with cavity 9, adaptive in the bottom of cavity 9 and adapter 1.
Concrete installation process: blast cap head 2 is aimed at adapter 1, and make blast cap head 2 be in (adaptive in this bottom due to cavity 9 and adapter 1 on the same axis direction of adapter 1, make blast cap head 2 nature will with adapter 1 on same axis direction, installation personnel is not needed to go to regulate), then first blast cap head 2 is to pressing down, screw 6 is conflicted with the notch of groove 8, apply a power toward adapter 1 direction then to blast cap head 2, screw 6 is made to be embedded into the installation that can complete blast cap head 2 in groove 8, blast cap head 2 is made to be cannot spin off in groove 8 when not receiving external force upwards, thus ensure that blast cap head 2 can not come off from adapter 1.
The course of work: flow in cavity 9 scroll hole 4 from centre bore 3 effluent air of adapter 1, and flow out from scroll hole 4, when the flow velocity of gas reaches certain speed, scroll hole 4 produces swirling eddy, the effect of swirling eddy direction and scroll hole 4 drive blast cap head 2 to rotate, because the restriction that screw 6 receives groove 8 cannot be moved by the vertical direction, and the reaction force of its swirling eddy makes blast cap head 2 can rotation in the horizontal direction, the gas of volute hole ejection direct effect and air distribution plate can improve the disturbance of the air distribution plate bed of material.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. a fluidized-bed combustion boiler blast cap, comprise adapter and be arranged on the blast cap head taking over upper end, the sidewall of described adapter is provided with centre bore and is communicated with blast cap head, the bottom circumference of described blast cap head is evenly distributed with scroll hole, it is characterized in that: be provided with the rotating mechanism freely rotated for blast cap head horizontal direction in described blast cap head, the upper end of described adapter is provided with the position-limit mechanism for connecing rotating mechanism along adapter axis direction one-off card.
2. a kind of fluidized-bed combustion boiler blast cap according to claim 1, it is characterized in that: described rotating mechanism comprises connecting rod and screw, one end of described connecting rod is fixedly connected with the top of the inside of blast cap head, and the dead in line of the straight line at connecting rod place and blast cap head, the other end of described connecting rod is fixedly connected with screw, and described screw is embedded into position-limit mechanism.
3. a kind of fluidized-bed combustion boiler blast cap according to claim 2, it is characterized in that: described position-limit mechanism is made up of cylinder table, one end of described cylinder table is fixedly connected with the top of adapter, the other end was provided with the groove of semicircle, and described groove coordinates with screw not to be deviate from for limiting screw in groove.
4. a kind of fluidized-bed combustion boiler blast cap according to claim 1, is characterized in that: described scroll hole is by the edge downward-sloping setting in blast cap head direction dorsad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948837.9U CN205174345U (en) | 2015-11-25 | 2015-11-25 | Fluidized bed boiler hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948837.9U CN205174345U (en) | 2015-11-25 | 2015-11-25 | Fluidized bed boiler hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205174345U true CN205174345U (en) | 2016-04-20 |
Family
ID=55738334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520948837.9U Expired - Fee Related CN205174345U (en) | 2015-11-25 | 2015-11-25 | Fluidized bed boiler hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205174345U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678786A (en) * | 2017-03-13 | 2017-05-17 | 哈尔滨红光锅炉总厂有限责任公司 | Bell jar type wind cap for environment-friendly energy-saving circulating fluidized bed boiler |
| CN111720817A (en) * | 2020-06-23 | 2020-09-29 | 杭州航民小城热电有限公司 | Hood structure and circulating fluidized bed air supply system |
-
2015
- 2015-11-25 CN CN201520948837.9U patent/CN205174345U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678786A (en) * | 2017-03-13 | 2017-05-17 | 哈尔滨红光锅炉总厂有限责任公司 | Bell jar type wind cap for environment-friendly energy-saving circulating fluidized bed boiler |
| CN111720817A (en) * | 2020-06-23 | 2020-09-29 | 杭州航民小城热电有限公司 | Hood structure and circulating fluidized bed air supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 312300 Shangyu economic and Technological Development Zone, Hangzhou Bay, Shaoxing, Zhejiang Patentee after: Zhejiang Chunhui environmental energy Limited by Share Ltd Address before: 312300 Shangyu Industrial Park, Hangzhou Bay, Zhejiang, Shaoxing Patentee before: Zhejiang light of spring eco-friendly power source Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20181125 |