CN217519842U - Device for improving tail coking of circulating fluidized bed boiler - Google Patents
Device for improving tail coking of circulating fluidized bed boiler Download PDFInfo
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- CN217519842U CN217519842U CN202122819522.2U CN202122819522U CN217519842U CN 217519842 U CN217519842 U CN 217519842U CN 202122819522 U CN202122819522 U CN 202122819522U CN 217519842 U CN217519842 U CN 217519842U
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Abstract
The utility model provides an improve device of circulating fluidized bed boiler afterbody coking belongs to circulating fluidized bed boiler technical field. The utility model provides an improve device of circulating fluidized bed boiler afterbody coking, includes the circulating fluidized bed boiler body, the fixed intercommunication in top of circulating fluidized bed boiler body has steam conduit, one side of circulating fluidized bed boiler body is provided with flue gas cooling mechanism, flue gas cooling mechanism includes the cooler bin, cooler bin fixed mounting is in one side of circulating fluidized bed boiler body. The utility model discloses a set up flue gas cooling body, can reduce the steam temperature to the entry temperature that is suitable for desulfurization system needs by higher exhaust gas temperature inside the leading-in flue gas cooling body of this internal steam of circulating fluidized bed boiler, make its steam by enough condensation back-row in the boiler, realize the energy-conserving transformation that the degree of depth reduces exhaust gas temperature, improve circulating fluidized bed boiler body afterbody furnace charge emergence coking phenomenon in the operation process.
Description
Technical Field
The utility model relates to a circulating fluidized bed boiler technical field particularly, relates to a device of circulating fluidized bed boiler afterbody coking improves.
Background
The circulating fluidized bed boiler has wide fuel adaptability, can burn poor coal, has the advantages of high combustion efficiency, low nitrogen oxide emission, quick load adjustment, direct desulfurization by adding limestone and the like, and has been widely applied in the world since the emergence of the circulating fluidized bed combustion technology.
At present, the coking of the circulating fluidized bed boiler is the most common and serious problem, the poor treatment can seriously affect the safe and economic operation of the boiler, and also affect the further development and application of the circulating fluidized bed boiler, the normal fluidization of the charging materials and the further deterioration, and at the moment, the boiler must be stopped to operate, cleaned and maintained. The occurrence of the coking phenomenon of furnace burden in the tail part of the boiler directly influences the safe and economic operation of the boiler.
SUMMERY OF THE UTILITY MODEL
In order to remedy the above deficiencies, the present invention provides a device for improving the coking at the tail of a circulating fluidized bed boiler, which overcomes or at least partially solves the above mentioned technical problems.
The utility model discloses a realize like this:
the utility model provides an improve device of circulating fluidized bed boiler afterbody coking, including circulating fluidized bed boiler body, the fixed intercommunication in top of circulating fluidized bed boiler body has steam conduit, one side of circulating fluidized bed boiler body is provided with flue gas cooling body, flue gas cooling body includes the cooler bin, cooler bin fixed mounting is in one side of circulating fluidized bed boiler body, the inside of cooler bin is provided with the gas-supply pipe, the one end of gas-supply pipe run through in the cooler bin and with the fixed intercommunication of steam conduit's one end, one side that the cooler bin is close to the bottom is provided with retrieves the mechanism.
In a preferable scheme, a valve is fixedly connected to the steam pipeline, and a nozzle is fixedly communicated with the other end of the gas pipe close to the bottom in the cooling box.
In a preferred scheme, one side fixed mounting of cooler bin has the water tank, top fixed mounting has the water pump in the water tank, the input fixed intercommunication of water pump has the inlet tube, the inlet tube extends to and is close to the bottom in the water tank.
In a preferred scheme, the output end of the water pump is fixedly communicated with a water outlet pipe, one end of the water outlet pipe penetrates through the water tank and the cooling tank respectively and is fixedly communicated with a cooling coil.
In a preferred scheme, the cooling coil pipe is sleeved outside the gas conveying pipe, one end of the cooling coil pipe is fixedly communicated with a drain pipe, and one end of the drain pipe extends to the inside of the water tank.
In a preferred scheme, the recycling mechanism comprises an electric push rod, the electric push rod is fixedly installed on one side, close to the inner wall of the bottom, of the cooling box, an extrusion plate is fixedly connected to the piston rod end of the electric push rod, the extrusion plate is attached to the bottom in the cooling box in a sliding mode, and a water absorption sponge is arranged on the other side of the bottom in the cooling box.
In a preferable scheme, a fixing plate is fixedly mounted on one side, close to the outer wall of the bottom, of the cooling box, a recovery box is fixedly mounted at the bottom of the fixing plate, a recovery pipe is fixedly communicated with one side of the recovery box, and one end of the recovery pipe extends to the bottom in the cooling box.
The utility model provides a pair of improve device of circulating fluidized bed boiler afterbody coking, its beneficial effect including:
the flue gas cooling mechanism is arranged, so that steam in the circulating fluidized bed boiler body can be guided into the flue gas cooling mechanism, the temperature of the steam is reduced from higher exhaust gas temperature to inlet temperature suitable for a desulfurization system, the steam is sufficiently condensed and then discharged into the boiler, energy-saving transformation for deeply reducing the exhaust gas temperature is realized, and the phenomenon of coking of furnace burden at the tail part of the circulating fluidized bed boiler body in the operation process is improved;
the mechanism is retrieved through setting up, and steam is by the cooling process in, and the exothermal condensation water is retrieved, is recycled through retrieving the water that the mechanism condenses water, has saved the resource.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings which are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a first perspective view provided in an embodiment of the present invention;
fig. 2 is a second perspective view provided in the embodiment of the present invention;
fig. 3 is a schematic front view of a cross-sectional structure according to an embodiment of the present invention;
fig. 4 is an enlarged view of a in fig. 3 according to an embodiment of the present invention.
In the figure: 101. a circulating fluidized bed boiler body; 102. a steam line; 200. a flue gas cooling mechanism; 201. a cooling tank; 202. a gas delivery pipe; 203. a valve; 204. a nozzle; 205. a water tank; 206. a water pump; 207. a water inlet pipe; 208. a water outlet pipe; 209. a cooling coil; 210. a drain pipe; 211. a semiconductor refrigerator; 212. a fan; 300. a recovery mechanism; 301. an electric push rod; 302. a pressing plate; 303. a water-absorbing sponge; 304. a recycling bin; 305. and (7) recovering the pipe.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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 work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "top/bottom", etc. 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, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an improve device of circulating fluidized bed boiler afterbody coking, including circulating fluidized bed boiler body 101, the fixed intercommunication in top of circulating fluidized bed boiler body 101 has steam conduit 102, one side of circulating fluidized bed boiler body 101 is provided with flue gas cooling mechanism 200, flue gas cooling mechanism 200 includes cooler bin 201, cooler bin 201 fixed mounting is in one side of circulating fluidized bed boiler body 101, the inside of cooler bin 201 is provided with gas-supply pipe 202, the one end of gas-supply pipe 202 run through in cooler bin 201 and with the fixed intercommunication of steam conduit 102's one end, one side that cooler bin 201 is close to the bottom is provided with recovery mechanism 300, steam is by the cooling process, the heat release is condensed into water, water after condensing through recovery mechanism 300 is retrieved, recycle, the resource has been saved.
In a preferred embodiment, a valve 203 is fixedly connected to the steam pipe 102, a nozzle 204 is fixedly communicated with the other end of the air pipe 202 near the bottom of the cooling box 201, the valve 203 is opened, and the steam generated in the fluidized process in the circulating fluidized bed boiler body 101 is discharged into the air pipe 202 through the steam pipe 102.
In a preferred embodiment, a water tank 205 is fixedly installed at one side of the cooling tank 201, a water pump 206 is fixedly installed at the top inside the water tank 205, an input end of the water pump 206 is fixedly communicated with a water inlet pipe 207, and the water inlet pipe 207 extends into the water tank 205 to be close to the bottom.
In a preferred embodiment, an output end of the water pump 206 is fixedly communicated with a water outlet pipe 208, one end of the water outlet pipe 208 penetrates through the water tank 205 and the cooling tank 201 respectively and is fixedly communicated with a cooling coil 209, the water pump 206 pumps cooling water in the water tank 205 through the water inlet pipe 207 into the cooling coil 209 through the water outlet pipe 208, and the cooling water flows in the cooling coil 209 to carry away hot gas generated by steam in the gas transmission pipe 202.
In a preferred embodiment, the cooling coil 209 is sleeved outside the gas pipe 202, one end of the cooling coil 209 is fixedly communicated with a drain pipe 210, one end of the drain pipe 210 extends into the water tank 205, and the cooling water after heat exchange is discharged into the water tank 205 through the drain pipe 210.
In a preferred embodiment, a semiconductor cooler 211 is fixedly installed on one side of the inner wall of the cooling box 201, a fan 212 is fixedly installed on the bottom of the cooling box 201, an input end of the fan 212 extends to the bottom inside the cooling box 201, and an output end of the fan 212 extends to one side of the circulating fluidized bed boiler body 101 close to the bottom inside. The high-temperature steam in the gas transmission pipe 202 is cooled by cooling water in the cooling coil 209, is sprayed into the bottom of the cooling box 201 through the nozzle 204 after being condensed, and is transmitted back to the circulating fluidized bed boiler body 101 through the fan 212, so that the coking phenomenon of tail furnace burden of the circulating fluidized bed boiler body 101 in the operation process is improved.
In a preferred embodiment, the recycling mechanism 300 includes an electric push rod 301, the electric push rod 301 is fixedly installed on one side of the inner wall of the cooling box 201 close to the bottom, a piston rod end of the electric push rod 301 is fixedly connected with an extrusion plate 302, the extrusion plate 302 is attached to and slides on the bottom of the cooling box 201, a water absorption sponge 303 is arranged on the other side of the bottom of the cooling box 201, steam is cooled, high-temperature steam can release heat and condense into water drops, the water drops can drop on the bottom of the cooling box 201 due to self gravity, and are absorbed by the water absorption sponge 303, after the water absorption sponge 303 absorbs a certain amount of water drops, the electric push rod 301 is started, a piston rod end of the electric push rod 301 extends out, so that the extrusion plate 302 is driven to move, and the extrusion plate 302 extrudes the water absorption sponge 303.
In a preferred embodiment, a fixing plate is fixedly mounted on the outer wall side of the cooling tank 201 close to the bottom, a recovery tank 304 is fixedly mounted on the bottom of the fixing plate, a recovery pipe 305 is fixedly communicated with one side of the recovery tank 304, one end of the recovery pipe 305 extends to the bottom in the cooling tank 201, water in the water-absorbing sponge 303 is squeezed out by the squeezing plate 302, flows into the recovery tank 304 through the recovery pipe 305 and is collected, and water condensed by the water is recovered and reused, so that resources are saved.
Specifically, the working process or the working principle of the device for improving the tail coking of the circulating fluidized bed boiler is as follows: when in use, the valve 203 is opened, the steam in the fluidization process in the circulating fluidized bed boiler body 101 is discharged into the gas pipe 202 through the steam pipe 102, meanwhile, the water pump 206 and the semiconductor refrigerator 211 are started, the semiconductor refrigerator 211 refrigerates the inside of the cooling box 201, the water pump 206 pumps cooling water in the water tank 205 into the cooling coil 209 through the water inlet pipe 207, the cooling water flows in the cooling coil 209 and carries away hot gas generated by steam in the gas pipe 202, high-temperature steam in the gas pipe 202 is cooled by the cooling water in the cooling coil 209 and the semiconductor refrigerator 211 at the same time, the cooling water after heat exchange is discharged into the water tank 205 through the water discharge pipe 210 and is sprayed into the bottom of the cooling box 201 through the nozzle 204 after condensation, the waste heat is conveyed back to the circulating fluidized bed boiler body 101 through the fan 212, so that the coking phenomenon of the furnace burden at the tail part of the circulating fluidized bed boiler body 101 in the operation process is improved;
steam is by the cooling in-process, high temperature steam can release heat and condense into the water droplet, the water droplet can drop bottom in cooler bin 201 because of self gravity, it absorbs to absorb sponge 303, absorb to a certain amount of water droplet when absorbing sponge 303, start electric putter 301, electric putter 301's tailpiece of the piston rod stretches out, thereby it removes to drive stripper plate 302, stripper plate 302 extrudees sponge 303, the water in the sponge 303 that absorbs water is extruded by stripper plate 302, flow into inside the collection of collection box 304 through recovery tube 305.
It should be noted that the circulating fluidized bed boiler body 101, the valve 203, the water pump 206, the semiconductor cooler 211 and the fan 212 are devices or apparatuses existing in the prior art or devices or apparatuses that can be realized by the prior art, and the power supply, the specific composition and the principle thereof are clear to those skilled in the art, and therefore, detailed descriptions thereof are omitted.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an improve device of circulating fluidized bed boiler afterbody coking, includes circulating fluidized bed boiler body (101), its characterized in that, the fixed intercommunication in top of circulating fluidized bed boiler body (101) has steam conduit (102), one side of circulating fluidized bed boiler body (101) is provided with flue gas cooling mechanism (200), flue gas cooling mechanism (200) include cooler bin (201), cooler bin (201) fixed mounting is in one side of circulating fluidized bed boiler body (101), the inside of cooler bin (201) is provided with gas-supply pipe (202), the one end of gas-supply pipe (202) run through in cooler bin (201) and with the fixed intercommunication of one end of steam conduit (102), one side that cooler bin (201) are close to the bottom is provided with recovery mechanism (300).
2. The device for improving the tail coking of the circulating fluidized bed boiler according to claim 1, characterized in that the steam pipeline (102) is fixedly connected with a valve (203), and the other end of the gas pipeline (202) close to the bottom in the cooling tank (201) is fixedly communicated with a nozzle (204).
3. The device for improving the tail coking of the circulating fluidized bed boiler according to claim 2, characterized in that a water tank (205) is fixedly installed at one side of the cooling tank (201), a water pump (206) is fixedly installed at the top inside the water tank (205), an input end of the water pump (206) is fixedly communicated with a water inlet pipe (207), and the water inlet pipe (207) extends into the water tank (205) and is close to the bottom.
4. The device for improving the tail coking of the circulating fluidized bed boiler according to the claim 3, characterized in that the output end of the water pump (206) is fixedly communicated with a water outlet pipe (208), one end of the water outlet pipe (208) respectively penetrates through the water tank (205) and the cooling tank (201) and is fixedly communicated with a cooling coil (209).
5. The device for improving the tail coking of the circulating fluidized bed boiler according to claim 4, characterized in that the cooling coil (209) is sleeved outside the gas transmission pipe (202), one end of the cooling coil (209) is fixedly communicated with a water discharge pipe (210), and one end of the water discharge pipe (210) extends to the inside of the water tank (205).
6. The device for improving the tail coking of the circulating fluidized bed boiler according to claim 1, wherein the recovery mechanism (300) comprises an electric push rod (301), the electric push rod (301) is fixedly installed on one side of the inner wall of the cooling box (201) close to the bottom, a squeezing plate (302) is fixedly connected to the piston rod end of the electric push rod (301), the squeezing plate (302) is attached to and slides on the bottom in the cooling box (201), and a water absorption sponge (303) is arranged on the other side of the bottom in the cooling box (201).
7. The device for improving the tail coking of the circulating fluidized bed boiler according to claim 6, characterized in that a fixing plate is fixedly installed on one side of the outer wall of the cooling tank (201) close to the bottom, a recovery tank (304) is fixedly installed at the bottom of the fixing plate, a recovery pipe (305) is fixedly communicated with one side of the recovery tank (304), and one end of the recovery pipe (305) extends to the bottom in the cooling tank (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122819522.2U CN217519842U (en) | 2021-11-17 | 2021-11-17 | Device for improving tail coking of circulating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122819522.2U CN217519842U (en) | 2021-11-17 | 2021-11-17 | Device for improving tail coking of circulating fluidized bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217519842U true CN217519842U (en) | 2022-09-30 |
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ID=83367628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122819522.2U Active CN217519842U (en) | 2021-11-17 | 2021-11-17 | Device for improving tail coking of circulating fluidized bed boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217519842U (en) |
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2021
- 2021-11-17 CN CN202122819522.2U patent/CN217519842U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230828 Address after: Room 506, No. 40-1 Lujing Road, Lujing Village, Nansha District, Guangzhou City, Guangdong Province, 510000 Patentee after: Guangzhou Rongzhu Energy Consulting Co.,Ltd. Address before: 511500 No.5 shop of commercial and residential building at roadside, No.16 community, Experimental Zone, Qingyuan Economic Development Zone, Guangdong Province Patentee before: GUANGDONG GREENSHELL NEW ENERGY CO.,LTD. |
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| TR01 | Transfer of patent right |