CN216619858U - Online ash removal device for biomass boiler - Google Patents
Online ash removal device for biomass boiler Download PDFInfo
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- CN216619858U CN216619858U CN202122898079.2U CN202122898079U CN216619858U CN 216619858 U CN216619858 U CN 216619858U CN 202122898079 U CN202122898079 U CN 202122898079U CN 216619858 U CN216619858 U CN 216619858U
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Abstract
The utility model relates to the technical field of cleaning for reducing energy consumption and pollution, in particular to an online ash removal device for a biomass boiler, which comprises a boiler, wherein the boiler is fixedly arranged on the ground, and an ash removal mechanism is arranged in the boiler; the ash removal mechanism comprises a support frame, a support ring, a stainless steel spray pipe, a stainless steel spray head, a connecting plug, a stainless steel nozzle, an air inlet pipe and an air compressor, and therefore the problems that the thermal efficiency of the boiler is reduced and potential safety hazards occur due to ash deposition are solved.
Description
Technical Field
The utility model relates to the technical field of cleaning for reducing energy consumption and pollution, in particular to an online ash removal device for a biomass boiler.
Background
After the biomass boiler burns fuel, a part of fly ash is generated in smoke, the part of fly ash is attached to a heat exchange surface (a convection pipe, a water wall pipe, a superheater pipe, the outer surface of a boiler barrel and the like) of the boiler, and the part of fly ash is easy to form an ash fusion phenomenon due to high temperature of a hearth; in addition, the 'ash fusion' part can also cause the heat transfer coefficient of a heat exchange surface of the boiler to be reduced, damage a water circulation system and increase wind resistance, and the potential safety hazards such as 'tube explosion' of the boiler are easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an online ash removal device for a biomass boiler, which solves the problems of reduced boiler heat efficiency, potential safety hazards and the like caused by ash deposition.
In order to solve the technical problem, the utility model adopts the following technical scheme:
an online ash removal device for a biomass boiler comprises a boiler, wherein the boiler is fixedly arranged on the ground, and an ash removal mechanism is arranged in the boiler; the ash removal mechanism comprises a support frame, a support ring, a stainless steel spray pipe, a stainless steel spray head, a connecting plug, a stainless steel spray nozzle, an air inlet pipe and an air compressor, wherein the support frame is fixedly arranged on the furnace wall through a bolt assembly, and is detachably connected with the support ring and the stainless steel spray pipe sleeved on the support ring through the bolt assembly; the stainless steel spray pipe penetrates through the furnace wall, extends into the hearth and is communicated with the stainless steel spray head, and a connecting plug is sleeved in one end, away from the hearth, of the stainless steel spray pipe; the stainless steel nozzle is sleeved in the connecting plug and is communicated with the gas delivery end of the air compressor through the gas inlet pipe.
Furthermore, a plurality of stainless steel spray nozzles are arranged along the outer peripheral end of the stainless steel spray pipe in the hearth in a staggered mode, and the air outlet end of each stainless steel spray nozzle is located nearby a boiler heat exchange pipe.
Further, the boiler heat exchange tube is arranged between the upper boiler barrel and the lower boiler barrel of the boiler, and two ends of the boiler heat exchange tube are respectively communicated with the boiler barrels in a welding mode.
Furthermore, a valve for controlling air flow rate is arranged on the air inlet pipe, and the valve for controlling air flow rate is a flow rate control valve.
Furthermore, the stainless steel spray pipe is located the inside one end of furnace and is sealed, and stainless steel shower nozzle and stainless steel nozzle are high temperature resistant material.
Furthermore, a smoke outlet is formed in the tail of the boiler and connected with a dust guide assembly; the dust guide assembly comprises a first flue, an energy saver, a second flue, a bag-type dust collector, a third flue, an induced draft fan, a fourth flue and a chimney, wherein the first flue is connected with the smoke outlet through a connecting piece, the other end of the first flue is connected with the energy saver, and the other end of the energy saver is connected with the second flue; the other end of the second flue is communicated with the smoke inlet end of the bag-type dust collector, the air outlet end of the bag-type dust collector is communicated and connected with the induced air end of the induced draft fan through a third flue, and the air outlet end of the induced draft fan is communicated and connected with the chimney through a fourth flue.
The working principle is as follows:
the air compressor inputs compressed air through the flow rate control valve, the compressed air enters the stainless steel spray pipe through the stainless steel nozzle, then the compressed air entering the stainless steel spray pipe is sprayed out from the stainless steel spray nozzles communicated with the stainless steel spray pipe, the sprayed high-pressure gas is sprayed on a heat exchange surface in the hearth, dust on the heat exchange surface is blown away, the blown away dust is discharged into the atmosphere from the interior of the hearth through a smoke outlet arranged at the tail part of the boiler, the first flue, the energy saver, the second flue, the bag-type dust remover, the third flue, the induced draft fan, the fourth flue and the chimney, and the discharged dust is filtered by the bag-type dust remover, so that the gas discharged into the atmosphere is qualified; in normal work, an operator can perform air injection and ash removal by using the ash removal mechanism for multiple times according to the working condition of the boiler in each work shift; in the process, the ash deposition time is short and the ash deposition is loose, so that the ash deposition does not have the formation condition of ash fusion.
Compared with the prior art, the utility model has at least one of the following beneficial effects:
1. according to the utility model, the ash cleaning mechanism is arranged in the boiler, so that when dust is deposited on the heat exchange surfaces (the convection pipe, the water wall pipe, the superheater pipe, the outer surface of the boiler barrel and the like) in the hearth, the stainless steel nozzle in the ash cleaning mechanism arranged in the boiler can clean the dust falling on the heat exchange surfaces in time by means of high-pressure gas in the stainless steel nozzle, so that the problems of reduction of the heat efficiency of the boiler, potential safety hazards and the like caused by the dust deposition are solved; meanwhile, the number of times of blowing out and cleaning ash can be reduced, the utilization rate of the boiler can be improved, the working efficiency of safe and economical operation of the boiler can be improved, and the service life of a heat exchange surface of the boiler can be prolonged.
2. According to the utility model, the smoke outlet is arranged at the tail part of the boiler and is connected with the dust guide assembly, so that dust accumulated on the heat exchange surface can be blown away by the dust cleaning mechanism in the boiler, the blown away dust can be discharged to the atmosphere by virtue of the first flue, the energy saver, the second flue, the bag-type dust remover, the third flue, the induced draft fan, the fourth flue and the chimney in the dust guide assembly, and the discharged smoke dust is filtered by the bag-type dust remover, so that the smoke dust particles discharged to the atmosphere are values within the allowable range of GB13271-2014 standard.
Drawings
FIG. 1 is a schematic view of the inside of a boiler according to the present invention.
FIG. 2 is a partial enlarged view of the portion A in the structure of the present invention.
FIG. 3 is a partial enlarged view of the region B in the structure of the present invention.
FIG. 4 is a schematic view of the boiler connection of the present invention.
FIG. 5 is a partial enlarged view of the region C in the structure of the present invention.
In the figure, 1-a stainless steel nozzle, 2-a connecting plug, 3-a stainless steel spray pipe, 4-a support ring, 5-a support frame, 6-a boiler, 7-a stainless steel spray head, 8-a boiler barrel, 9-a boiler heat exchange pipe, 10-a smoke outlet, 11-a first flue, 12-an energy saver, 13-a second flue, 14-a bag-type dust remover, 15-a third flue, 16-an induced draft fan, 17-a fourth flue and 18-a chimney.
Detailed Description
As shown in fig. 1 to 5, in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example 1
An online ash removal device for a biomass boiler comprises a boiler 6, wherein the boiler 6 is fixedly arranged on the ground, and an ash removal mechanism is arranged inside the boiler 6; the ash removal mechanism comprises a support frame 5, a support ring 4, a stainless steel spray pipe 3, a stainless steel spray head 7, a connecting plug 2, a stainless steel spray nozzle 1, an air inlet pipe and an air compressor, wherein the support frame 5 is fixedly arranged on the furnace wall through a bolt assembly, and the support frame 5 is detachably connected to the support ring 4 and the stainless steel spray pipe 3 sleeved on the support ring 4 through the bolt assembly; the stainless steel spray pipe 3 penetrates through the furnace wall, extends into the hearth and is communicated with the stainless steel spray nozzle 7, and a connecting plug 2 is sleeved in one end, far away from the hearth, of the stainless steel spray pipe 3; the stainless steel nozzle 1 is sleeved in the connecting plug 2, and the stainless steel nozzle 1 is communicated and connected with the gas delivery end of the air compressor through a gas inlet pipe; by arranging the ash removal mechanism in the boiler, when dust is attached to heat exchange surfaces (a convection pipe, a water wall pipe, a superheater pipe, the outer surface of a boiler barrel and the like) in a hearth, a stainless steel spray head in the ash removal mechanism arranged in the boiler can timely clean the dust falling on the heat exchange surfaces by means of high-pressure gas in the stainless steel spray pipe, so that the problems of reduction of the thermal efficiency of the boiler, potential safety hazards and the like caused by the dust deposition are solved; meanwhile, the number of times of blowing out and cleaning ash can be reduced, the utilization rate of the boiler can be improved, the working efficiency of safe and economical operation of the boiler can be improved, and the service life of a heat exchange surface of the boiler can be prolonged.
Example 2
On the basis of the embodiment 1, a plurality of stainless steel spray heads 7 are arranged along the outer peripheral end of the stainless steel spray pipe 3 in the hearth in a staggered manner, and the gas outlet end of each stainless steel spray head 7 is positioned near a boiler heat exchange pipe 9; the gas outlet end of the stainless steel nozzle is arranged near the boiler heat exchange tube, so that when the boiler heat exchange tube positioned in the hearth is full of accumulated dust, the gas outlet end of the stainless steel nozzle is positioned near the boiler heat exchange tube, and the accumulated dust accumulated on the boiler heat exchange tube can be blown away more effectively.
Example 3
On the basis of the embodiment 1, the boiler heat exchange tube 9 is arranged between the upper boiler barrel and the lower boiler barrel of the boiler 6, and two ends of the boiler heat exchange tube are respectively communicated with the boiler barrels 8 in a welding manner.
Example 4
On the basis of the embodiment 1, a valve for controlling the air flow rate is arranged on the air inlet pipe, and the valve for controlling the air flow rate is a flow rate control valve; through being provided with the valve of control air flow rate in the intake pipe, the valve of control air flow rate is the velocity of flow control valve, can appear blockking up when being located the stainless steel shower nozzle in the furnace, and the velocity of flow control valve in the intake pipe can control the gaseous state that reaches continuous low velocity of flow through air compressor output, and the gaseous phenomenon that can prevent the stainless steel shower nozzle appearance jam of continuous low velocity of flow can be cooled down and local "oxygenating" to the boiler again to the stainless steel spray tube.
Example 5
On the basis of the embodiment 1, one end of the stainless steel spray pipe 4, which is positioned in the hearth, is closed, and the stainless steel spray head 7 and the stainless steel spray nozzle 1 are made of high-temperature resistant materials; one end of the stainless steel spray pipe, which is positioned in the hearth, is closed, so that when the gas compressed by an air compressor enters the stainless steel spray pipe and the injection pressure of the gas sprayed from a stainless steel spray head arranged on the stainless steel spray pipe is insufficient, one end of the stainless steel spray pipe is in a closed state, and the sufficient pressure of the air in the stainless steel spray pipe can be ensured; simultaneously, through being high temperature resistant material with stainless steel shower nozzle and stainless steel nozzle, can prevent that stainless steel spray tube and stainless steel nozzle that are located the furnace from can not making stainless steel spray tube and stainless steel nozzle appear burning out because of the high temperature in the furnace.
Example 6
On the basis of the embodiment 1, the tail part of the boiler 6 is provided with a smoke outlet 10, and the smoke outlet 10 is connected with a dust guide component; the dust guide assembly comprises a first flue 11, an energy saver 12, a second flue 13, a bag-type dust collector 14, a third flue 15, an induced draft fan 16, a fourth flue 17 and a chimney 18, the first flue 11 is connected with the smoke outlet 10 through a connecting piece, the other end of the first flue 11 is connected with the energy saver 12, and the other end of the energy saver 12 is connected with the second flue 13; the other end of the second flue 13 is communicated with the smoke inlet end of the bag-type dust collector 14, the air outlet end of the bag-type dust collector 14 is communicated and connected with the air inducing end of the induced draft fan 16 through a third flue 15, and the air outlet end of the induced draft fan 16 is communicated and connected with the chimney 18 through a fourth flue 17; the tail part of the boiler is provided with the smoke outlet which is connected with the dust guide assembly, dust accumulated on a heat exchange surface can be blown away by the dust cleaning mechanism in the boiler, the blown away dust is discharged to the atmosphere by virtue of a first flue, an economizer, a second flue, a bag-type dust remover, a third flue, an induced draft fan, a fourth flue and a chimney in the dust guide assembly, and the discharged smoke dust is filtered by the bag-type dust remover, so that the smoke dust particles discharged to the atmosphere are in the value within the allowable range of GB13271-2014 standard.
Finally, it should be noted that:
1. the utility model provides a compressed air among biomass boiler online ash removal device is continuous low velocity of flow compressed air, has both solved the shower nozzle and has blockked up, can give the spray tube cooling again and can also carry out local "oxygenating" to the boiler inside.
2. The stainless steel spray pipe and the stainless steel spray head are made of high-temperature resistant materials 310S and above.
Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. The utility model provides an online ash removal device of biomass boiler which characterized in that: the device comprises a boiler (6), wherein the boiler (6) is fixedly arranged on the ground, and an ash cleaning mechanism is arranged in the boiler (6); the ash removal mechanism comprises a support frame (5), a support ring (4), a stainless steel spray pipe (3), a stainless steel spray head (7), a connecting plug (2), a stainless steel spray nozzle (1), an air inlet pipe and an air compressor, wherein the support frame (5) is fixedly arranged on the furnace wall through a bolt assembly, and the support frame (5) is detachably connected with the support ring (4) and the stainless steel spray pipe (3) sleeved on the support ring (4) through the bolt assembly; the stainless steel spray pipe (3) penetrates through the furnace wall, extends into the hearth and is communicated with the stainless steel spray nozzle (7), and a connecting plug (2) is sleeved in one end, far away from the hearth, of the stainless steel spray pipe (3); the stainless steel nozzle (1) is sleeved in the connecting plug (2), and the stainless steel nozzle (1) is communicated with the gas delivery end of the air compressor through the gas inlet pipe.
2. The online ash removal device for the biomass boiler according to claim 1, characterized in that: the stainless steel spray nozzles (7) are arranged in a staggered mode along the outer peripheral ends of the stainless steel spray pipes (3) in the hearth, and the air outlet ends of the stainless steel spray nozzles (7) are located near the boiler heat exchange pipes (9).
3. The online ash removal device for the biomass boiler according to claim 2, characterized in that: the boiler heat exchange tube (9) is arranged between the upper boiler barrel and the lower boiler barrel of the boiler (6), and two ends of the boiler heat exchange tube (9) are respectively communicated with the boiler barrels (8) in a welding mode.
4. The online ash removal device for the biomass boiler according to claim 1, characterized in that: the air inlet pipe is provided with a valve for controlling air flow rate, and the valve for controlling air flow rate is a flow rate control valve.
5. The online ash removal device for the biomass boiler according to claim 1, characterized in that: the stainless steel spray pipe (3) is located at one end inside the hearth and is sealed, and the stainless steel spray head (7) and the stainless steel spray nozzle (1) are made of high-temperature-resistant materials.
6. The online ash removal device for the biomass boiler according to claim 1, characterized in that: a smoke outlet (10) is formed in the tail of the boiler (6), and the smoke outlet (10) is connected with a dust guide assembly; the dust guide assembly comprises a first flue (11), an energy saver (12), a second flue (13), a bag-type dust remover (14), a third flue (15), an induced draft fan (16), a fourth flue (17) and a chimney (18), the first flue (11) is connected with the smoke outlet (10) through a connecting piece, the other end of the first flue (11) is connected with the energy saver (12), and the other end of the energy saver (12) is connected with the second flue (13); the other end of the second flue (13) is communicated with the smoke inlet end of the bag-type dust collector (14), the air outlet end of the bag-type dust collector (14) is communicated and connected with the induced air end of the induced draft fan (16) through a third flue (15), and the air outlet end of the induced draft fan (16) is communicated and connected with the chimney (18) through a fourth flue (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122898079.2U CN216619858U (en) | 2021-11-24 | 2021-11-24 | Online ash removal device for biomass boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122898079.2U CN216619858U (en) | 2021-11-24 | 2021-11-24 | Online ash removal device for biomass boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216619858U true CN216619858U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122898079.2U Active CN216619858U (en) | 2021-11-24 | 2021-11-24 | Online ash removal device for biomass boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216619858U (en) |
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2021
- 2021-11-24 CN CN202122898079.2U patent/CN216619858U/en active Active
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