CN211204037U - Air supply device of circulating fluidized bed boiler - Google Patents
Air supply device of circulating fluidized bed boiler Download PDFInfo
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- CN211204037U CN211204037U CN201922172668.5U CN201922172668U CN211204037U CN 211204037 U CN211204037 U CN 211204037U CN 201922172668 U CN201922172668 U CN 201922172668U CN 211204037 U CN211204037 U CN 211204037U
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Abstract
The utility model discloses a gas supply device of circulating fluidized bed boiler belongs to boiler gas supply technical field. A gas supply device of a circulating fluidized bed boiler comprises a gas pipe, wherein the outer surface of the gas pipe is in threaded connection with a fixed shell, the outer surface of the fixed shell is fixedly connected with a threaded pipe, and the inner part of the threaded pipe is in threaded connection with a collection box; the utility model discloses a gas-supply pipe, the set casing, the screwed pipe, collect the box, the control valve, cooperation setting between discharge gate and the filter screen, the filter screen can effectively block inside the impurity in the gas gets into the gas-supply pipe, and inside impurity can directly get into from the discharge gate and collect the box, be convenient for the collection of impurity, nevertheless need with impurity from collecting the inside time taking out of box, can twist the control valve earlier, make the control valve block up the discharge gate, then will collect the box and take off, clear up, can effectively place when taking out impurity, gaseous emergence is leaked, guarantee staff's personal safety.
Description
Technical Field
The utility model relates to a boiler air feed technical field especially relates to an air feeder of circulating fluidized bed boiler.
Background
The circulating fluidized bed boiler adopts the clean coal combustion technology with the highest industrialization degree. The circulating fluidized bed boiler adopts fluidized combustion, the main structure comprises a combustion chamber (comprising a dense-phase region and a dilute-phase region) and a circulating return furnace (comprising a high-temperature gas-solid separator and a return system), and the gas-steam boiler can be divided into a natural gas steam boiler, an urban gas steam boiler, a coke oven gas steam boiler, a liquefied petroleum gas steam boiler and the like according to fuels; the structure form can be divided into a vertical steam boiler and a horizontal steam boiler, and the principle of the gas steam boiler is as follows: the gas-fired steam boiler is a heat energy conversion equipment which uses gas fuels such as natural gas, liquefied gas and city gas as fuels, burns the released heat in the boiler, heats water in the boiler and vaporizes the water into steam.
However, the existing boiler air supply part still has the following defects in structure and use performance in the actual use process: when a steam boiler burns, a large amount of heat is easily generated, so that the pressure in an air supply pipeline is improved, great potential safety hazards exist, impurities are easily attached to air when the steam boiler supplies air, the combustion utilization rate of the air is reduced, and the impurities are not easy to clean.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems of overlarge air pressure and difficult cleaning of impurities in the prior art and providing an air supply device of a circulating fluidized bed boiler.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an air feeder of circulating fluidized bed boiler, includes the gas-supply pipe, the surface threaded connection of gas-supply pipe has the set casing, the fixed surface fixedly connected with screwed pipe of set casing, the inside threaded connection of screwed pipe has the collection box, the inside fixedly connected with filter screen of set casing, the fixed surface fixedly connected with of gas-supply pipe has the fixed pipe, the surface threaded connection of fixed pipe has the protecting crust, the spacing post of the inner wall fixedly connected with of protecting crust, the surface swing joint of spacing post has the fixed plate.
Preferably, the upper surface of the fixing plate is fixedly connected with a sealing plug, and the lower surface of the fixing plate is fixedly connected with a supporting spring.
Preferably, one end of the supporting spring, which is far away from the fixing plate, is fixedly connected with a protective shell, a through hole is formed in the inner wall of the gas pipe, and a sealing plug is inserted into the through hole.
Preferably, the outer surface of the protective shell is provided with air holes.
Preferably, the fixed shell is internally provided with a control valve, and the inner wall of the fixed shell is provided with a discharge hole.
Preferably, the inner wall of the fixed shell is provided with an internal thread.
Compared with the prior art, the utility model provides a circulating fluidized bed boiler's air feeder possesses following beneficial effect:
1. the utility model discloses, through the gas-supply pipe, the set casing, the screwed pipe, collect the box, the control valve, cooperation setting between discharge gate and the filter screen, the filter screen can effectively block inside impurity in the gas gets into the gas-supply pipe, and inside impurity can directly get into from the discharge gate and collect the box, be convenient for the collection of impurity, nevertheless need with impurity from collecting the inside time taking out of box, can twist the control valve earlier, make the control valve block up the discharge gate, then will collect the box and take off, clear up, can effectively place when taking out impurity, gaseous emergence is leaked, guarantee staff's personal safety.
2. The utility model discloses, through the protecting crust, the bleeder vent, the gas-supply pipe, spacing post, the sealing plug, supporting spring, cooperation setting between through-hole and the fixed plate, when gas-supply pipe internal pressure was too big, then atmospheric pressure can be backed down the sealing plug, then gaseous from the bleeder vent discharge, effectively avoid intraductal formation high pressure, reduce the probability of explosion, setting through spacing post, make the sealing plug when removing, the position is difficult for taking place the skew, when making the sealing plug kick-back sealed, it is sealed tighter, pass through the screw thread with fixed pipe through the protecting crust and be connected, then be convenient for dismantle the protecting crust, and the maintenance efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
FIG. 3 is a schematic sectional view of the present invention;
fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.
In the figure: 1. a gas delivery pipe; 2. a stationary case; 3. a threaded pipe; 4. a collection box; 5. a filter screen; 6. a fixed tube; 7. a protective shell; 8. a limiting column; 9. a fixing plate; 10. a sealing plug; 11. a support spring; 12. a through hole; 13. air holes are formed; 14. a control valve; 15. and (4) a discharge port.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, an air supply device of a circulating fluidized bed boiler comprises an air supply pipe 1, the outer surface of the air supply pipe 1 is in threaded connection with a fixed shell 2, the outer surface of the fixed shell 2 is fixedly connected with a threaded pipe 3, a control valve 14 is arranged inside the fixed shell 2, the inner wall of the fixed shell 2 is provided with a discharge port 15, the inner wall of the fixed shell 2 is provided with an internal thread, the internal thread of the threaded pipe 3 is connected with a collection box 4, the inside of the fixed shell 2 is fixedly connected with a filter screen 5, the outer surface of the air supply pipe 1 is fixedly connected with a fixed pipe 6, through the matching arrangement of the air supply pipe 1, the fixed shell 2, the threaded pipe 3, the collection box 4, the control valve 14, the discharge port 15 and the filter screen 5, the filter screen 5 effectively blocks impurities in air from entering the air supply pipe 1, and the impurities, when the impurities need to be taken out of the collecting box 4, the control valve 14 can be screwed firstly to enable the control valve 14 to block the discharge hole 15, then the collecting box 4 is taken down for cleaning, the impurities can be effectively placed when being taken out, gas leaks to guarantee personal safety of workers, the outer surface of the fixed pipe 6 is in threaded connection with the protective shell 7, the outer surface of the protective shell 7 is provided with the vent hole 13, the inner wall of the protective shell 7 is fixedly connected with the limiting column 8, the outer surface of the limiting column 8 is movably connected with the fixed plate 9, the upper surface of the fixed plate 9 is fixedly connected with the sealing plug 10, the lower surface of the fixed plate 9 is fixedly connected with the supporting spring 11, one end of the supporting spring 11, far away from the fixed plate 9, the protective shell 7 is fixedly connected with the inner wall of the gas pipe 1, the through hole 12 is formed in the inner wall of the through hole, Spacing post 8, the sealing plug 10, supporting spring 11, cooperation setting between through-hole 12 and the fixed plate 9, when 1 internal pressure of gas-supply pipe is too big, then atmospheric pressure can be opened sealing plug 10 top, then gaseous from bleeder vent 13 discharges, effectively avoid intraductal formation high pressure, reduce the probability of explosion, setting through spacing post 8, make sealing plug 10 when removing, the difficult skew that takes place in position, when making sealing plug 10 kick-back sealed, it is sealed tighter, pass through threaded connection through protecting crust 7 and fixed pipe 6, then be convenient for dismantle protecting crust 7, and the maintenance efficiency is improved.
In the utility model, when the internal pressure of the gas pipe 1 is too high, the air pressure can push the sealing plug 10 open, the gas is discharged from the air holes 13, the high pressure in the pipe is effectively avoided, the probability of explosion is reduced, the position of the sealing plug 10 is not easy to shift when moving through the arrangement of the limiting column 8, when the sealing plug 10 is rebounded and sealed, the sealing is tighter, the protective shell 7 is connected with the fixed pipe 6 through the thread, the protective shell 7 is convenient to disassemble, the maintenance efficiency is improved, through the matching arrangement between the gas pipe 1, the fixed shell 2, the threaded pipe 3, the collecting box 4, the control valve 14, the discharge port 15 and the filter screen 5, the filter screen 5 effectively blocks the impurities in the gas from entering the gas pipe 1, and the impurities can directly enter the collecting box 4 from the discharge port 15, the collection of the impurities is convenient, but when the impurities need to be taken out from the collecting box 4, the control valve 14 can be screwed firstly, so that the control valve 14 blocks the discharge hole 15, then the collecting box 4 is taken down for cleaning, and gas leaks when impurities are taken out, thereby ensuring the personal safety of workers.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an air feeder of circulating fluidized bed boiler, includes gas-supply pipe (1), its characterized in that, the surface threaded connection of gas-supply pipe (1) has set casing (2), the fixed surface of set casing (2) is connected with screwed pipe (3), the inside threaded connection of screwed pipe (3) has collection box (4), the inside fixedly connected with filter screen (5) of set casing (2), the fixed surface of gas-supply pipe (1) is connected with fixed pipe (6), the surface threaded connection of fixed pipe (6) has protecting crust (7), the spacing post of inner wall fixedly connected with (8) of protecting crust (7), the surface swing joint of spacing post (8) has fixed plate (9).
2. A gas supply device for a circulating fluidized bed boiler according to claim 1, wherein a sealing plug (10) is fixedly connected to an upper surface of the fixing plate (9), and a supporting spring (11) is fixedly connected to a lower surface of the fixing plate (9).
3. The gas supply device of the circulating fluidized bed boiler according to claim 2, wherein one end of the supporting spring (11) far away from the fixing plate (9) is fixedly connected with a protective shell (7), the inner wall of the gas pipe (1) is provided with a through hole (12), and a sealing plug (10) is inserted into the through hole (12).
4. The gas supply device of the circulating fluidized bed boiler according to claim 1, wherein the outer surface of the protective shell (7) is provided with a gas vent (13).
5. The gas supply device of the circulating fluidized bed boiler according to claim 1, wherein a control valve (14) is arranged inside the fixed shell (2), and a discharge hole (15) is formed in the inner wall of the fixed shell (2).
6. A gas supply device for a circulating fluidized bed boiler according to claim 1, characterized in that the inner wall of the stationary housing (2) is internally threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922172668.5U CN211204037U (en) | 2019-12-06 | 2019-12-06 | Air supply device of circulating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922172668.5U CN211204037U (en) | 2019-12-06 | 2019-12-06 | Air supply device of circulating fluidized bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211204037U true CN211204037U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922172668.5U Active CN211204037U (en) | 2019-12-06 | 2019-12-06 | Air supply device of circulating fluidized bed boiler |
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| CN (1) | CN211204037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228193A (en) * | 2022-09-23 | 2022-10-25 | 南通润东玻璃科技有限公司 | Air filtering device for glass tempering furnace |
-
2019
- 2019-12-06 CN CN201922172668.5U patent/CN211204037U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228193A (en) * | 2022-09-23 | 2022-10-25 | 南通润东玻璃科技有限公司 | Air filtering device for glass tempering furnace |
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