Incinerator fire observation device with gas energy shock wave purging function

Abstract

The utility model relates to garbage incinerator equipment, in particular to an incinerator fire observation device with a gas energy shock wave purging function, which comprises a fire observation window base, a fire observation window and a shock wave sweeping component, the shock wave sweeping component comprises a shock wave generator, a deflation pipe and a nozzle, one end of the fire observation window base is connected to an incinerator wall protection plate on the outer side of an incinerator, and the other end of the fire observation window base is connected to a gas energy shock wave purging device. The fire observation window base is located on the periphery of a tail end opening of the fire observation hole, the fire observation window is connected to the end, away from an incinerator outer side furnace wall protection plate, of the fire observation window base, one end of the shock wave generator is connected with a high-pressure gas source, the other end of the shock wave generator is connected with a gas discharging pipe, and the gas discharging pipe is partially located at the tail end opening of the fire observation hole. The nozzle is connected to the portion, located at the opening of the tail end of the observation hole, of the deflation pipe, and the nozzle faces the direction of the observation hole. According to the utility model, air shock waves are adopted to purge accumulated ash, the consumption of compressed air is small, the accumulated ash in the observation hole can be efficiently removed, and the accumulated ash is prevented from blocking the fire observation sight.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of garbage incinerator equipment, in particular to a kind of gas energy shock wave purging's incinerator fire watching device. BACKGROUND

[0002] In the garbage incinerator operation process needs to observe fuel accumulation on grate, combustion flame, incinerator inner wall coking etc. situation frequently, for easy to observe, usually set up fire watching device at the rear end of incinerator, open horn mouth on the rear wall of incinerator as observation passage, to realize maximum observation range. There are more fly ash in the garbage incineration process, fly ash is sent into primary air blowing up through the bottom of grate, easy to deposit in the horn mouth of furnace wall fire watching, block the sight of fire watching, affect the effect of fire watching. In addition, since fire watching device needs to be opened frequently, fly ash can also adhere to the inner wall of fire watching hole glass, affect the quality of fire watching. To improve the above situation, usually use compressed air to clean the accumulated ash in the horn mouth of fire watching device, use compressed air blowing pipe to go into the horn mouth space in furnace, when using compressed air blowing, if only compressed air is introduced, compressed air blowing pipe is easy to be damaged by high temperature in furnace, if continuous compressed air is introduced to cool, then increase the consumption of compressed air, affect the efficiency of boiler. At the same time, in order to effectively clean dust, multiple blowing pipes are needed to blow, the opening direction of blowing pipe is not towards the furnace, and the dust blown up may diffuse in the horn mouth, affect the effect of fire watching. SUMMARY

[0003] The utility model aims at providing a kind of gas energy shock wave purging's incinerator fire watching device with small compressed air consumption, and can efficiently remove the accumulated ash in fire watching hole, avoid accumulated ash to block the sight of fire watching.

[0004] To achieve the above object, the utility model provides a kind of gas energy shock wave purging's incinerator fire watching device, incinerator furnace wall is provided with fire watching hole, the end opening of the fire watching hole is on the outer side furnace wall guard plate of incinerator, including fire watching window base, fire watching window, shock wave cleaning component, the shock wave cleaning component includes shock wave generator, air release pipe, nozzle, the fire watching window base one end is connected on the outer side furnace wall guard plate of incinerator, the fire watching window base is located at the periphery of the end opening of the fire watching hole, the fire watching window is connected on the end of the fire watching window base away from the outer side furnace wall guard plate of incinerator, the fire watching window is located on the cross section of the fire watching window base, the shock wave generator one end is connected high pressure gas source, the other end is connected the air release pipe, the air release pipe part is located at the end opening of the fire watching hole, the nozzle is connected on the part of the air release pipe located at the end opening of the fire watching hole, the nozzle is towards the direction of the fire watching hole.

[0005] Further, the plurality of nozzles are arranged along the length direction of the air exhaust pipe, the axes of the plurality of nozzles intersect with each other, and the sweeping surface formed by the plurality of nozzles fully covers the sight hole.

[0006] Further, the shock wave cleaning assembly further comprises an air inlet pipe and a first switch valve, the air inlet pipe is connected to the shock wave generator, the shock wave generator is connected to the high-pressure air source through the air inlet pipe, and the first switch valve is arranged on the air inlet pipe.

[0007] Further, the shock wave cleaning assembly further comprises a pressure regulating and filtering device, the pressure regulating and filtering device is arranged on the air inlet pipe, and the pressure regulating and filtering device is located upstream of the first switch valve.

[0008] Further, the shock wave cleaning assembly further comprises a second switch valve, the second switch valve is arranged on the air inlet pipe, and the second switch valve is located upstream of the pressure regulating and filtering device.

[0009] Further, the shock wave cleaning assembly further comprises a pressure sensor, a control unit, and a release mechanism, the first switch valve is an electromagnetic valve, the pressure sensor and the release mechanism are arranged on the shock wave generator cavity, the pressure sensor, the release mechanism, and the first switch valve are electrically connected to the control unit, the pressure sensor collects the pressure information of the shock wave generator inner cavity and transmits it to the control unit, when the pressure information reaches a preset pressure value, the control unit controls the first switch valve to close and the release mechanism to open, and the compressed air in the shock wave generator inner cavity forms a shock wave and enters the air exhaust pipe and is sprayed out through the nozzles.

[0010] Further, the shock wave cleaning assembly further comprises an air exhaust pipe fixing member, the air exhaust pipe fixing member comprises a fixing base and a pipe clamp, one end of the fixing base is connected to the outer side furnace wall guard plate of the incinerator, the pipe clamp is an L-shaped plate, one side of the pipe clamp is connected to the fixing base, and the other side is connected to the outer side furnace wall guard plate of the incinerator, a containing space is formed between the fixing base and the pipe clamp, and the air exhaust pipe is placed in the containing space for fixation.

[0011] Further, a fire baffle is further included, the fire baffle is connected to the fire window base, the fire baffle is located on the cross section of the fire window base, the fire baffle is located on the inner side of the fire window, and the fire baffle is adapted to be blocked between the fire window and the sight hole to shield the fire path to prevent smoke pollution of the fire window or to stagger the sight hole to open the fire path.

[0012] Furthermore, it also includes a fire baffle rotating rod, the fire baffle being connected to the fire baffle rotating rod, the fire baffle rotating rod being connected to the fire viewing window base, and the fire baffle rotating rod being adapted to rotate 90° relative to the fire viewing window base.

[0013] Furthermore, a fire-viewing window purge air inlet is also provided on the fire-viewing window base between the fire baffle and the fire-viewing window.

[0014] The present invention provides a combustion monitoring device for an incinerator equipped with a gas-energy shock wave purging system, which has at least the following beneficial effects:

[0015] This invention relates to a gas-powered shock wave purging device for viewing the fire in an incinerator. The device includes a shock wave purging assembly comprising a shock wave generator, a vent pipe, and a nozzle. Compressed gas forms a shock wave within the shock wave generator. The ash-removing effect of the shock wave, combined with the acoustic energy, the impact kinetic energy of the high-speed gas, and the cleaning effect of the airflow, effectively removes various types of ash or coke deposits. This prevents ash from obstructing the view of the fire and affecting the viewing effect, and improves ash removal efficiency. The amount of compressed air consumed is significantly reduced when removing the same volume of ash and boiler slag. The vent pipe is located outside the incinerator for easy inspection and maintenance. The nozzle is connected to the end of the vent pipe at the viewing hole, facing inwards, and does not need to penetrate deep into the incinerator, thus avoiding damage from the high temperatures inside the furnace and preventing dust from obstructing the viewing effect during purging.

[0016] The following description, in conjunction with the accompanying drawings, details the fire-watching device for the incinerator of this utility model. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a fire-watching device for an incinerator with gas-energy shock wave purging according to the present invention.

[0018] Figure 2 for Figure 1 AA view;

[0019] Figure 3 for Figure 1 BB view;

[0020] Figure 4 This is a structural diagram of the venting pipe and nozzle in a novel incinerator fire-watching device with gas-energy shock wave purging, as described in this utility model. Detailed Implementation

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the incinerator wall is provided with a fire hole 01, the end of the fire hole 01 is opened on the incinerator outside wall guard plate 02, the fire hole 01 is a horn mouth shape, the utility model relates to a kind of incinerator fire watching device with gas energy shock wave purge, including fire watching window base 11, fire watching window 12, shock wave cleaning assembly 03, shock wave cleaning assembly 03 includes shock wave generator 31, gas pipe 32, nozzle 33, the shock wave generator 31 is prior art, it can be obtained from Suzhou Xingzhi Environmental Protection Technology Co., Ltd. Fire watching window base 11 one end is connected on the incinerator outside wall guard plate 02, fire watching window base 11 is located at the periphery of the end opening of fire hole 01, fire watching window 12 is connected on the end of fire watching window base 11 away from the incinerator outside wall guard plate 02, fire watching window 12 is located on the cross section of fire watching window base 11, shock wave generator 31 one end is connected high-pressure gas source, the other end is connected gas pipe 32, gas pipe 32 part is located at the end opening of fire hole 01, nozzle 33 is connected on the part of gas pipe 32 located at the end opening of fire hole 01, nozzle 33 is towards the direction of fire hole 01, high-pressure gas source enters into shock wave generator 31, shock wave is generated in shock wave generator 31, shock wave is discharged by gas pipe 32 and is sprayed by nozzle 33, and the accumulated ash in fire hole 01 is purged. Specifically, it further includes fire watching window bottom plate 15, fire watching window bottom plate 15 is welded on the incinerator outside wall guard plate 02, and fire watching window base 11 is connected on fire watching window bottom plate 15.The utility model discloses a kind of with gas energy shock wave purging's incinerator fire watching device, since including shock wave cleaning component 03, shock wave cleaning component 03 includes shock wave generator 31, air release pipe 32, nozzle 33, compressed gas forms shock wave in shock wave generator 31, after air release pipe 32, it is sprayed out through nozzle 33, spherical shock wave diameter is constantly increasing, its ball center moves forward along the axis of nozzle 33, simultaneously with the increase of spherical shock wave diameter, shock wave intensity constantly attenuates, finally attenuates as sound wave, in the limited space of the horn mouth shape of fire watching hole 01, shock wave is transmitted, refracted, reflected due to the horn mouth four walls of fire watching hole 01, the physical interface between soot in the horn mouth of fire watching hole 01 and substrate occurs reflection, and can be introduced into the inside of soot by refraction, the action of shock wave intense pressure longitudinal wave to soot makes it first press and then pull, so that soot is broken, refracted shock wave introduced into soot also generates transverse wave in soot body, and incident wave and reflected wave interact, so that soot is separated from substrate;In addition, the high-speed airflow with the speed greater than sound speed after being sprayed out with shock wave through nozzle 33 directly acts on soot layer, coking layer, and acts on soot layer, coking layer after direct reflection, refraction and reflection, so that soot, coking attached to the surface of fire watching hole 01 directly separates due to the mechanical external force effect of high-speed airflow;Various different types of soot or coking can be effectively removed by the above multiple actions, avoid soot to block the sight line of observing fire, affect the effect of observing fire, since compressed air forms shock wave after shock wave generator 31, the impact kinetic energy of high-speed gas and the cleaning effect of airflow generated simultaneously are added to the soot-removing effect of shock wave, so that the soot-removing efficiency is improved, and the consumption of compressed air is greatly reduced when removing soot and boiler coking slag of the same volume, air release pipe 32 is arranged outside incinerator, convenient for maintenance, nozzle 33 is connected to the part of air release pipe 32 located at the end opening of fire watching hole 01, towards fire watching hole 01, without going deep into the inside of incinerator, avoid being damaged by high temperature in the furnace.

[0022] Optionally, the nozzle 33 is provided with a plurality of nozzles 33, and the plurality of nozzles 33 are connected to the part of the air release pipe 32 located at the end opening of the fire watching hole 01, and the plurality of nozzles 33 are sequentially arranged along the length direction of the air release pipe 32, the axes of the plurality of nozzles 33 intersect with each other, and the plurality of nozzles 33 form a horn mouth shaped sweeping surface to ensure that the sweeping range covers the entire horn mouth of the fire watching hole 01.

[0023] Optionally, the shock wave cleaning component 03 further comprises an air inlet pipe 34 and a first switch valve 35, the air inlet pipe 34 is connected to the shock wave generator 31, the shock wave generator 31 is connected to a high-pressure gas source through the air inlet pipe 34, and the first switch valve 35 is arranged on the air inlet pipe 34. When it is necessary to blow off the soot in the fire watching hole 01, the first switch valve 35 is opened, the high-pressure gas enters the shock wave generator 31 through the air inlet pipe 34, the first switch valve 35 is closed when the pressure in the shock wave generator 31 reaches a predetermined value, and the pressure in the shock wave generator 31 is controlled by arranging the first switch valve 35.

[0024] Optionally, the shock wave cleaning assembly 03 further comprises a pressure regulating filter device 36, which is arranged on the air inlet pipe 34 and located upstream of the first on-off valve 35. The high-pressure air source is adjusted to the required pressure and filtered to remove impurities through the pressure regulating filter device 36, so as to avoid damage to the shock wave generator 31 due to excessive pressure or impurities in the air source.

[0025] Optionally, the shock wave cleaning assembly 03 further comprises a second on-off valve 37, which is arranged on the air inlet pipe 34 and located upstream of the pressure regulating filter device 36. The second on-off valve 37 is a manual valve, which is manually closed when the first on-off valve 35 fails, and the first on-off valve 35 is repaired. The second on-off valve 37 is always open during operation.

[0026] Optionally, the shock wave cleaning assembly 03 further comprises a pressure sensor, a control unit 38, and a release mechanism 39. The first on-off valve 35 is an electromagnetic valve. The pressure sensor and the release mechanism 39 are arranged on the cavity of the shock wave generator 31. The pressure sensor, the release mechanism 39, and the first on-off valve 35 are electrically connected to the control unit 38. The pressure sensor collects the pressure information of the cavity of the shock wave generator 31 and transmits it to the control unit 38. When the pressure information reaches a preset pressure value, the control unit 38 controls the first on-off valve 35 to close and the release mechanism 39 to open. The release of compressed air in the cavity of the shock wave generator 31 forms a shock wave that enters the air exhaust pipe 32 and is sprayed out through the nozzle 33. Specifically, the control unit 38 is a control cabinet, which can be connected to a DCS remote control through a communication interface or controlled locally. The blowing logic is set through the control unit 38, and one-key start and stop are realized to achieve automatic operation and regular cleaning, thereby avoiding the influence of dust accumulation on the fire observation effect.

[0027] Optionally, the shock wave cleaning assembly 03 further comprises an air exhaust pipe fixing member, which comprises a fixed base 321 and a pipe clamp 322. One end of the fixed base 321 is connected to the outer side furnace wall guard plate 02 of the incinerator. The pipe clamp 322 is an L-shaped plate, one side of which is connected to the fixed base 321 and the other side is connected to the outer side furnace wall guard plate 02 of the incinerator. The fixed base 321 and the pipe clamp 322 form a containing space therebetween, in which the air exhaust pipe 32 is placed. Specifically, the fixed base 321 is made of angle steel and is welded to the outer side furnace wall guard plate 02 of the incinerator. The pipe clamp 322 is made of round steel and is welded to the fixed base 321 and the outer side furnace wall guard plate 02 of the incinerator. The air exhaust pipe 32 is supported and fixed by the air exhaust pipe fixing member to ensure its stable position during air exhaust.

[0028] Optionally, the fire dam plate 13 is connected to the fire window base 11, and is located on the cross section of the fire window base 11, and is located on the inner side of the fire window 12. The fire dam plate 13 is adapted to block the fire path between the fire window 12 and the fire hole 01 or to stagger the fire hole 01 to leave the fire path. When the fire is not needed, the fire dam plate 13 blocks the fire window 12 to prevent the smoke from polluting the fire window. When the fire is needed, the fire dam plate 13 staggers the fire hole 01 to leave the fire path, and reduces the dust accumulation of the fire window 12.

[0029] Optionally, the fire dam plate rotating rod 131 is connected to the fire dam plate 13, and is connected to the fire window base 11. The fire dam plate rotating rod 131 is adapted to rotate 90° relative to the fire window base 11. Specifically, the fire dam plate rotating rod 131 is an L-shaped rod. The fire dam plate 13 is connected with a plurality of fixing rings through screws. The long rod of the fire dam plate rotating rod 131 penetrates through the fixing rings to synchronize the movement of the fire dam plate 13 and the fire dam plate rotating rod 131. The short rod of the fire dam plate rotating rod 131 is rotatably connected to the fire window base 11.

[0030] Optionally, the fire window base 11 is provided with a fire window blowing air inlet 14 between the fire dam plate 13 and the fire window 12. Cold air is introduced through the fire window blowing air inlet 14 to avoid direct contact between the high-temperature flue gas and the glass of the fire window 12. Not only the problem of frequent blackening of the glass caused by the ash-containing flue gas is solved, but also the cooling of the components of the fire watching device is achieved. The fire window 12 includes inner and outer double-layer glass. The design of the double-layer glass reduces the roasting injury of the high temperature in the furnace to the operator when watching the fire.

[0031] The above-described embodiments are only used to describe the preferred embodiments of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements of the technical solutions of the present application made by those skilled in the art shall fall within the protection scope of the claims of the present application.

Claims

1. A gas-energy shock wave purging incinerator viewing device, an incinerator wall is provided with a viewing hole (01), and the end of the viewing hole (01) is opened on the outer wall of the incinerator wall guard plate (02), characterized in that: The incandescent window base (11), the incandescent window (12), the shock wave cleaning assembly (03), the shock wave generator (31), the air exhaust pipe (32), the nozzle (33), one end of the incandescent window base (11) is connected to the incinerator outer furnace wall guard plate (02), the incandescent window base (11) is located at the periphery of the incandescent hole (01) end opening, the incandescent window (12) is connected to the end of the incandescent window base (11) away from the incinerator outer furnace wall guard plate (02), the incandescent window (12) is located on the cross section of the incandescent window base (11), one end of the shock wave generator (31) is connected to the high pressure gas source, the other end is connected to the air exhaust pipe (32), the air exhaust pipe (32) is partially located at the end opening of the incandescent hole (01), the nozzle (33) is connected to the part of the air exhaust pipe (32) located at the end opening of the incandescent hole (01), and the nozzle (33) faces the direction of the incandescent hole (01).

2. A flame sight device for an air-energized shock purging incinerator according to claim 1, characterized in that The nozzle (33) is provided with a plurality of nozzles (33), and the plurality of nozzles (33) are sequentially arranged along the length direction of the air exhaust pipe (32), the axes of the plurality of nozzles (33) intersect with each other, and the sweeping surface formed by the plurality of nozzles (33) fully covers the incandescent hole (01).

3. A flame sight device for an air-energized shock purging incinerator according to claim 2, characterized in that The shock wave cleaning assembly (03) further comprises an air inlet pipe (34) and a first switch valve (35), the air inlet pipe (34) is connected to the shock wave generator (31), the shock wave generator (31) is connected to the high pressure gas source through the air inlet pipe (34), and the first switch valve (35) is arranged on the air inlet pipe (34).

4. A flame sight device for an air-energized shock purging incinerator according to claim 3, characterized in that The shock wave cleaning assembly (03) further comprises a pressure regulating and filtering device (36), the pressure regulating and filtering device (36) is arranged on the air inlet pipe (34), and the pressure regulating and filtering device (36) is located upstream of the first switch valve (35).

5. A flame sight glass for an air-energized shock wave purging incinerator according to claim 4, characterized in that The shock wave cleaning assembly (03) further comprises a second switch valve (37), the second switch valve (37) is arranged on the air inlet pipe (34), and the second switch valve (37) is located upstream of the pressure regulating and filtering device (36).

6. A flame sight device for an air-energized shock purging incinerator according to claim 5, characterized in that The shock wave cleaning assembly (03) further comprises a pressure sensor, a control unit (38) and a release mechanism (39), the first switch valve (35) is an electromagnetic valve, the pressure sensor and the release mechanism (39) are arranged on the cavity of the shock wave generator (31), the pressure sensor, the release mechanism (39) and the first switch valve (35) are electrically connected with the control unit (38), the pressure sensor collects the pressure information of the inner cavity of the shock wave generator (31) and transmits it to the control unit (38), when the pressure information reaches a preset pressure value, the control unit (38) controls the first switch valve (35) to close and the release mechanism (39) to open, and the compressed air in the inner cavity of the shock wave generator (31) forms a shock wave and enters the air exhaust pipe (32) and is sprayed out through the nozzle (33).

7. A flame sight glass for an air-energized shock wave purging incinerator according to claim 6, characterized in that The shock wave cleaning assembly (03) further comprises a deflation pipe fixing member, the deflation pipe fixing member comprises a fixing base (321) and a pipe clamp (322), one end of the fixing base (321) is connected to the outer furnace wall guard plate (02) of the incinerator, the pipe clamp (322) is an L-shaped plate, one side of the pipe clamp (322) is connected to the fixing base (321) and the other side is connected to the outer furnace wall guard plate (02) of the incinerator, a containing space is formed between the fixing base (321) and the pipe clamp (322), and the deflation pipe (32) is placed in the containing space and fixed.

8. A flame sight device for an air-energized shock wave purging incinerator according to claim 1, characterized in that Further comprising a fire baffle (13), the fire baffle (13) is connected to the fire window base (11), the fire baffle (13) is located on the cross section of the fire window base (11), the fire baffle (13) is located inside the fire window (12), and the fire baffle (13) is adapted to block between the fire window (12) and the fire hole (01) to block the fire path to prevent smoke pollution of the fire window (12) or stagger the fire hole (01) to clear the fire path.

9. A flame sight glass for an air-energized shock wave purging incinerator according to claim 8, characterized in that Further comprising a fire baffle rotating rod (131), the fire baffle (13) is connected to the fire baffle rotating rod (131), the fire baffle rotating rod (131) is connected to the fire window base (11), and the fire baffle rotating rod (131) is adapted to rotate 90° relative to the fire window base (11).

10. A flame sight device for an air-energized shock wave purging incinerator according to claim 8, characterized in that The fire window base (11) is further provided with a fire window sweeping air inlet (14) between the fire baffle (13) and the fire window (12).

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