CN216307821U - Deflagration soot blowing system capable of preventing pulse soot blower from accumulating water - Google Patents
Deflagration soot blowing system capable of preventing pulse soot blower from accumulating water Download PDFInfo
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- CN216307821U CN216307821U CN202122933443.4U CN202122933443U CN216307821U CN 216307821 U CN216307821 U CN 216307821U CN 202122933443 U CN202122933443 U CN 202122933443U CN 216307821 U CN216307821 U CN 216307821U
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Abstract
The utility model discloses a deflagration soot blowing system capable of preventing water accumulation of a pulse soot blower, which comprises: an electric control cabinet; a gas control cabinet; a gas mixture ignition module; a pulse soot blower; and the water removal module is communicated with the pulse soot blower and is used for pumping accumulated water in the pulse soot blower. According to the utility model, the water removal module is arranged in the deflagration soot blowing system, the pulse soot blower is obliquely arranged, so that water drops on the inner wall of the pulse soot blower are collected at the bottom, and the water removal module is communicated with the bottom of the pulse soot blower so as to extract accumulated water, thereby avoiding corrosion of the soot blower caused by long-time retention of acidic accumulated water and ensuring that the pulse soot blower is always in a working state with good safety.
Description
Technical Field
The utility model belongs to the technical field of boiler equipment, and particularly relates to a deflagration soot blowing system capable of preventing water accumulation of a pulse soot blower.
Background
When the furnace ash generated during the combustion of the boiler is contacted with the heating surface, the furnace ash is possibly adhered to the heating surface to cause slag bonding, if measures are not taken to remove the slag in time, more ash can be continuously adhered to the heating surface, so that the heat transfer performance of the heating surface is deteriorated, the temperature of a medium in a pipe is reduced, the corrosion and ash blockage of the heating surface are caused, the temperature of exhaust smoke is increased, and the development and the spread of the slag bonding phenomenon are accelerated. In contrast, the shock wave generated by gas detonation is generally used to clean the sticky ash.
The explosion soot blower of present day generally adopts organic combustible gas such as acetylene, methane, propane, and these organic combustible gas can produce water when burning, and especially when soot blower operational environment's temperature is lower, the soot blower cooling is very fast, and the steam that produces after its inside gas explosion can condense into the drop of water and attach to on the inner wall of soot blower, and these water generally are acidity, can lead to the fact the corruption to the soot blower for a long time, and compressive strength reduces, and the potential safety hazard is great.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a deflagration soot blowing system capable of preventing water accumulation of a pulse soot blower, which can be used for pumping the water accumulation in the pulse soot blower by additionally arranging a water removal module so as to solve the problem of acid water accumulation corrosion in the pulse soot blower.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
a deflagration soot blowing system that can prevent pulse soot blower ponding includes:
the electric control cabinet is connected with a power supply and is respectively in signal connection with the gas control cabinet, the gas mixing ignition module and the dewatering module;
the gas control cabinet is used for controlling the flow and stabilizing the pressure of gas, one side of the gas control cabinet is communicated with a compressed air source and a fuel gas source, and the other side of the gas control cabinet is communicated with an air main pipe and a fuel gas main pipe;
one side of the gas mixing ignition module is respectively communicated with the air main pipe and the gas main pipe through the air branch pipe and the gas branch pipe, the other side of the gas mixing ignition module is communicated with the pulse soot blower through the gas mixing pipe, and mixed gas is deflagrated in the pulse soot blower to generate pulse shock waves and is ejected by the pulse soot blower;
the water removal module is communicated with the pulse soot blower and is used for pumping accumulated water in the pulse soot blower.
Preferably, the dewatering module comprises an exhaust fan and a gas-liquid separator, the exhaust fan is in signal connection with the electric control cabinet, an air inlet of the exhaust fan is communicated with a separation outlet of the gas-liquid separator, and a separation inlet of the gas-liquid separator is communicated with the water pumping main pipe; the pulse soot blower is communicated with the main water pumping pipe through a water pumping branch pipe, and the water pumping branch pipe is provided with a high-voltage electromagnetic valve in signal connection with the electric control cabinet.
Preferably, the pulse soot blower comprises a soot blower body and a spray pipe, an air inlet pipe of the soot blower body is communicated with the mixed air pipe, a spray opening of the soot blower body is communicated with the spray pipe, the soot blower body is obliquely arranged, and the water pumping branch pipe is connected to the lowest position of the bottom of the soot blower body.
Preferably, the gas-liquid separator comprises a tank body, a straight pipe and a U-shaped pipe, wherein the straight pipe and the U-shaped pipe are positioned in the tank body, the separation inlet and the separation outlet are arranged at the top of the tank body, the first end of the straight pipe is communicated with the separation inlet, the first end of the U-shaped pipe is communicated with the separation outlet, and the second end of the straight pipe is lower than the second end of the U-shaped pipe.
Preferably, the gas control cabinet is characterized in that a first air control pipeline and a first gas control pipeline are arranged in the gas control cabinet; an air pressure stabilizing and reducing valve, an air filter, a first air regulating valve, an air pressure gauge and an air flow meter are sequentially arranged on the first air control pipeline along the air flowing direction; and a gas pressure stabilizing and reducing valve, a gas filter, a first gas regulating valve, a gas pressure gauge and a gas flowmeter are sequentially arranged on the first gas control pipeline along the flowing direction of gas.
Preferably, the gas mixing and ignition module comprises a second air control pipeline and a second fuel gas control pipeline, one end of the second air control pipeline is communicated with the air main pipe through an air branch pipe, and the other end of the second air control pipeline is communicated with one air inlet of the mixing chamber; one end of the second gas control pipeline is communicated with the gas main pipe through a gas branch pipe, and the other end of the second gas control pipeline is communicated with the other gas inlet of the mixing chamber; the gas outlet of the mixing chamber is connected with the gas inlet of the ignition chamber through a flame arrester, and the gas outlet of the ignition chamber is communicated with the mixed gas pipe.
Preferably, a second air control valve, an air solenoid valve and an air check valve are sequentially installed on the second air control pipeline along the air flowing direction; and a gas manual valve, a gas electromagnetic valve and a gas check valve are sequentially arranged on the second gas control pipeline along the flowing direction of the gas.
Preferably, at least two pumping branch pipes are arranged.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: according to the utility model, the water removal module is arranged in the deflagration soot blowing system, the pulse soot blower is obliquely arranged, so that water drops on the inner wall of the pulse soot blower are collected at the bottom, and the water removal module is communicated with the bottom of the pulse soot blower so as to extract accumulated water, thereby avoiding corrosion of the soot blower caused by long-time retention of acidic accumulated water and ensuring that the pulse soot blower is always in a working state with good safety.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic structural diagram of a deflagration soot blowing system capable of preventing water accumulation of a pulse soot blower provided by embodiment 1 of the utility model;
FIG. 2 is a schematic diagram of a water removal module connected to a pulse soot blower according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural diagram of a gas control cabinet provided in embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a gas mixture ignition module provided in embodiment 1 of the present invention.
Wherein:
1. an electric control cabinet; 2. a gas control cabinet; 21. a first air control line; 211. an air pressure stabilizing and reducing valve; 212. an air filter; 213. a first air adjustment valve; 214. an air pressure gauge; 215. an air flow meter; 22. a first gas control line; 221. a gas pressure stabilizing and reducing valve; 222. a gas filter; 223. a first gas regulating valve; 224. a gas pressure gauge; 225. a gas flow meter; 3. an air main pipe; 31. an air branch pipe; 4. a gas main pipe; 41. a gas branch pipe; 5. a gas mixture ignition module; 51. a second air control line; 511. a second air adjustment valve; 512. an air solenoid valve; 513. An air check valve; 52. a second gas control line; 521. a gas manual valve; 522. a gas solenoid valve; 523. a gas check valve; 53. a mixing chamber; 54. a flame arrestor; 55. an ignition chamber; 6. a mixed gas pipe; 7. a pulse soot blower; 71. a soot blower body; 711. an air inlet pipe; 712. a spout; 72. a nozzle; 8. a water removal module; 81. an exhaust fan; 82. a gas-liquid separator; 821. a separation inlet; 822. a separation outlet; 823. a tank body; 824. a straight pipe; 825. a U-shaped pipe; 83. a main water pumping pipe; 831. a water pumping branch pipe; 85. a high pressure solenoid valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following 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.
In the description of the present invention, it is to be understood that the terms "vertical", "lateral", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "horizontal", 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 of the present invention, and do not mean that the device or member to which the present invention is directed must have a specific orientation or position, and thus, cannot be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
An embodiment 1 of the present invention provides a deflagration soot blowing system that can prevent water accumulation in a pulse soot blower, as shown in fig. 1, including: the electric control cabinet 1 is connected with a power supply and is respectively in signal connection with the gas control cabinet 2, the gas mixing ignition module 5 and the dewatering module 8; the gas control cabinet 2 is used for controlling the flow and stabilizing the pressure of gas, one side of the gas control cabinet is communicated with a compressed air source and a fuel gas source, and the other side of the gas control cabinet is communicated with an air main pipe 3 and a fuel gas main pipe 4; one side of the gas mixing ignition module 5 is respectively communicated with the air main pipe 3 and the gas main pipe 4 through the air branch pipe 31 and the gas branch pipe 41, the other side of the gas mixing ignition module is communicated with the pulse soot blower 7 through the gas mixing pipe 6, and the mixed gas is deflagrated in the pulse soot blower 7 to generate pulse shock waves and is ejected by the pulse soot blower 7; the water removal module 8 is communicated with the pulse soot blower 7 and is used for pumping accumulated water in the pulse soot blower 7.
After the technical scheme is adopted, the water removal module 8 is arranged in the deflagration soot blowing system, and the pulse soot blower 7 is obliquely arranged, so that water drops on the inner wall of the pulse soot blower are collected at the bottom, the water removal module 8 is communicated with the bottom of the pulse soot blower 7, accumulated water is pumped out, the phenomenon that acidic accumulated water is reserved for a long time to corrode the soot blower is avoided, and the pulse soot blower 7 is guaranteed to be always in a working state with better safety.
Specifically, as shown in fig. 1-2, the water removal module 8 includes an exhaust fan 81 and a gas-liquid separator 82, the exhaust fan 81 is in signal connection with the electric control cabinet 1, an air inlet thereof is communicated with a separation outlet 822 of the gas-liquid separator 82, and a separation inlet 821 of the gas-liquid separator 82 is communicated with a main water pumping pipe 83; the pulse soot blower 7 is communicated with the main pumping pipe 83 through a branch pumping pipe 831. Because the most of the extraction is water and gas mixture, the accumulated water enters the exhaust fan 81 to cause failure, and the air inlet of the exhaust fan 81 and the water pumping main pipe 83 are provided with the gas-liquid separator 82 to separate air from the accumulated water.
Further, the pulse sootblower 7 includes a sootblower body 71 and a nozzle 72, an air inlet pipe 711 of the sootblower body 71 is communicated with the mixed air pipe 6, and a nozzle 712 of the sootblower body 71 is communicated with the nozzle 72.
In order to collect the water drops attached to the inner wall of the sootblower body 71 at one point for easy extraction, the sootblower body 71 is inclined, and the water pumping branch pipe 831 is connected to the lowermost bottom of the sootblower body 71.
The inside of the pulse soot blower 7 is in a high-pressure state when in work, so that the water pumping branch pipe 831 is provided with high-pressure electromagnetic valves 85 which are in signal connection with the electric control cabinet 1, and the high-pressure electromagnetic valves 85 are in a normally closed state and are opened only when in dewatering.
In this embodiment, the gas-liquid separator 82 includes a tank 823, and a straight pipe 824 and a U-shaped pipe 825 located in the tank 823, where the separation inlet 821 and the separation outlet 822 are opened at the top of the tank 823, a first end of the straight pipe 824 is communicated with the separation inlet 821, a first end of the U-shaped pipe 825 is communicated with the separation outlet 822, and a second end of the straight pipe 824 is lower than a second end of the U-shaped pipe 825.
The water and gas mixture enters the tank 823 from the separation inlet 821, the inertia of water droplets in the mixture is much larger than that of air, the water droplets continue to move forward, the water droplets collide with the bottom of the tank 823 and then are accumulated together, and the air entering the tank 823 is pumped out through the separation outlet 822, so that separation is completed.
As shown in fig. 3, a first air control pipeline 21 and a first gas control pipeline 22 are arranged in the gas control cabinet 2; an air pressure stabilizing and reducing valve 211, an air filter 212, a first air adjusting valve 213, an air pressure gauge 214 and an air flow meter 215 are sequentially arranged on the first air control pipeline 21 along the air flowing direction; the first gas control pipeline 22 is sequentially provided with a gas pressure stabilizing and reducing valve 221, a gas filter 222, a first gas regulating valve 223, a gas pressure gauge 224 and a gas flow meter 225 along the flowing direction of the gas.
As shown in fig. 4, the gas mixing and ignition module 5 includes a second air control line 51 and a second fuel control line 52, wherein one end of the second air control line 51 is communicated with the main air pipe 3 through the air branch pipe 31, and the other end is communicated with one air inlet of the mixing chamber 53; one end of the second fuel control pipeline 52 is communicated with the main fuel pipe 4 through the fuel branch pipe 41, and the other end is communicated with the other air inlet of the mixing chamber 53; the air outlet of the mixing chamber 53 is connected with the air inlet of the ignition chamber 55 through a flame arrester 54, and the air outlet of the ignition chamber 55 is communicated with the mixed gas pipe 6.
The gas and the compressed air are mixed in the mixing chamber 53 to form mixed gas, and the mixed gas passes through the flame arrester 54 and then enters the ignition chamber 55 for ignition; the ignited mixed gas enters the pulse soot blower 7 through the mixed gas pipe 6 to be expanded and detonated, and shock waves are formed and ejected from the nozzle 72 to perform soot blowing on the boiler. Wherein the flame arrestor 54 prevents the flame in the ignition chamber 55 from entering the mixing chamber 53.
Specifically, a second air control valve 511, an air solenoid valve 512 and an air check valve 513 are sequentially installed on the second air control pipeline 51 along the air flowing direction; a manual gas valve 521, a solenoid gas valve 522, and a check gas valve 523 are sequentially installed on the second gas control line 52 in the direction in which the gas flows.
In this embodiment, at least two pumping branches 831 are provided.
The fuel gas is one of acetylene, butyne, methane and propane.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A deflagration soot blowing system capable of preventing water accumulation of a pulse soot blower, comprising:
the electric control cabinet (1) is connected with a power supply and is respectively in signal connection with the gas control cabinet (2), the gas mixing ignition module (5) and the dewatering module (8);
the gas control cabinet (2) is used for controlling the flow and stabilizing the pressure of gas, one side of the gas control cabinet is communicated with a compressed air source and a fuel gas source, and the other side of the gas control cabinet is communicated with an air main pipe (3) and a fuel gas main pipe (4);
one side of the gas mixing ignition module (5) is respectively communicated with the air main pipe (3) and the gas main pipe (4) through an air branch pipe (31) and a gas branch pipe (41), the other side of the gas mixing ignition module is communicated with the pulse soot blower (7) through a mixed gas pipe (6), and mixed gas is deflagrated in the pulse soot blower (7) to generate pulse shock waves and is ejected by the pulse soot blower (7);
the water removal module (8) is communicated with the pulse soot blower (7) and is used for pumping accumulated water in the pulse soot blower (7).
2. A deflagration soot blowing system capable of preventing water accumulation of a pulse soot blower according to claim 1, characterized in that said water removal module (8) comprises an exhaust fan (81) and a gas-liquid separator (82), said exhaust fan (81) is in signal connection with an electric control cabinet (1), an air inlet thereof is communicated with a separation outlet (822) of said gas-liquid separator (82), a separation inlet (821) of said gas-liquid separator (82) is communicated with a main water pumping pipe (83); the pulse soot blower (7) is communicated with the water pumping main pipe (83) through a water pumping branch pipe (831), and a high-pressure electromagnetic valve (85) in signal connection with the electric control cabinet (1) is arranged on the water pumping branch pipe (831).
3. A deflagration sootblower system for preventing water accumulation in a pulse sootblower as claimed in claim 2, characterized in that said pulse sootblower (7) comprises a sootblower body (71) and a lance tube (72), an air inlet tube (711) of said sootblower body (71) is communicated with said air mixing tube (6), a spout (712) of said sootblower body (71) is communicated with said lance tube (72), said sootblower body (71) is placed obliquely, and said branch pumping pipe (831) is connected to the lowest bottom of said sootblower body (71).
4. A deflagration soot blowing system capable of preventing water accumulation of a pulse soot blower as claimed in claim 3, characterized in that said gas-liquid separator (82) comprises a tank body (823), and a straight pipe (824) and a U-shaped pipe (825) which are positioned in the tank body (823), said separation inlet (821) and separation outlet (822) are opened on the top of the tank body (823), a first end of said straight pipe (824) is communicated with the separation inlet (821), a first end of said U-shaped pipe (825) is communicated with the separation outlet (822), and a second end of said straight pipe (824) is lower than a second end of the U-shaped pipe (825).
5. A deflagration soot blowing system capable of preventing pulse soot blower from ponding according to any one of claims 2-4, characterized in that a first air control pipeline (21) and a first gas control pipeline (22) are arranged in the gas control cabinet (2); an air pressure stabilizing and reducing valve (211), an air filter (212), a first air adjusting valve (213), an air pressure gauge (214) and an air flow meter (215) are sequentially arranged on the first air control pipeline (21) along the air flowing direction; and a gas pressure stabilizing and reducing valve (221), a gas filter (222), a first gas regulating valve (223), a gas pressure gauge (224) and a gas flowmeter (225) are sequentially arranged on the first gas control pipeline (22) along the flowing direction of gas.
6. A deflagration soot blowing system capable of preventing pulse soot blower from ponding as claimed in claim 5, characterized in that said gas mixing and igniting module (5) comprises a second air control pipe (51) and a second gas control pipe (52), one end of said second air control pipe (51) is communicated with the main air pipe (3) through the air branch pipe (31), and the other end is communicated with an air inlet of the mixing chamber (53); one end of the second fuel gas control pipeline (52) is communicated with the fuel gas main pipe (4) through a fuel gas branch pipe (41), and the other end of the second fuel gas control pipeline is communicated with the other gas inlet of the mixing chamber (53); the air outlet of the mixing chamber (53) is connected with the air inlet of the ignition chamber (55) through a flame arrester (54), and the air outlet of the ignition chamber (55) is communicated with the mixed air pipe (6).
7. A detonation soot blowing system capable of preventing water accumulation of a pulse soot blower as claimed in claim 6, characterized in that a second air regulating valve (511), an air solenoid valve (512) and an air check valve (513) are sequentially installed on the second air control pipeline (51) along the air flow direction; and a gas manual valve (521), a gas electromagnetic valve (522) and a gas check valve (523) are sequentially arranged on the second gas control pipeline (52) along the flowing direction of the gas.
8. A deflagration sootblower system against pulse sootblower flooding as claimed in claim 7 wherein said pumping branch (831) is provided in at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122933443.4U CN216307821U (en) | 2021-11-26 | 2021-11-26 | Deflagration soot blowing system capable of preventing pulse soot blower from accumulating water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122933443.4U CN216307821U (en) | 2021-11-26 | 2021-11-26 | Deflagration soot blowing system capable of preventing pulse soot blower from accumulating water |
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| Publication Number | Publication Date |
|---|---|
| CN216307821U true CN216307821U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122933443.4U Active CN216307821U (en) | 2021-11-26 | 2021-11-26 | Deflagration soot blowing system capable of preventing pulse soot blower from accumulating water |
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| CN (1) | CN216307821U (en) |
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2021
- 2021-11-26 CN CN202122933443.4U patent/CN216307821U/en active Active
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