CN215808574U - Gas pulse soot blowing system for boiler - Google Patents

Abstract

The utility model provides a gas pulse soot blowing system for a boiler, which comprises an operation assembly and a pressure measuring assembly, wherein the inner side wall of the operation assembly is provided with the pressure measuring assembly, the operation assembly comprises a shell, two pipe bodies, electromagnetic valves, a three-way pipe, a supporting plate, an exhaust fan, a plate body, a first connecting pipe, a second connecting pipe, an L-shaped pipe, a check valve, a pulse tank, a Z-shaped spray pipe, a combustion furnace, a connecting rod and a third connecting pipe, one side of the shell is symmetrically penetrated with the two pipe bodies, the electromagnetic valves are respectively arranged on the outer side walls of the two pipe bodies, the adjacent sides of the two pipe bodies are communicated with the three-way pipe, the whole surface to be soot-removed is diffused by multiple reflections of a hot-surface pipe bundle and a furnace wall, accumulated soot is loosened and falls off, the purpose of soot removal is achieved, the soot blowing effect can be well achieved aiming at the fin type pipe bundle or the pipe bundle with smaller gap, the pressure in the pulse tank can be monitored through a display screen, therefore, the power of blasting soot blowing and the number of times of igniting blasting can be adjusted.

Description

Gas pulse soot blowing system for boiler

Technical Field

The utility model relates to the technical field of chemical industry, in particular to a gas pulse soot blowing system for a boiler.

Background

Since denitration is carried out on a 40T carbon black tail gas boiler economizer in the chemical industry at present, ammonia water is sprayed in the boiler, ammonium sulfate which is generated by reaction with sulfur dioxide in boiler flue gas is easy to combine with dust in the flue gas and attach to fins of the economizer, the economizer is easy to block, the flue gas pressure and the heat exchange effect of the boiler are affected, and the additional thermal resistance brought by an ash layer can seriously affect the transfer of medium heat inside and outside a heating surface of the boiler under the condition of ash deposition on the heating surface of the boiler, so that the heat conduction capability of the heating surface is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gas pulse soot blower system for a boiler, which solves the problems in the prior art.

The technical scheme adopted by the utility model is as follows: a gas pulse soot blower system for a boiler comprises an operation assembly, wherein a pressure measuring assembly is arranged on the inner side wall of the operation assembly; the operation assembly comprises a shell, two pipe bodies symmetrically penetrate through one side of the shell, electromagnetic valves are respectively mounted on the two pipe bodies outside the shell, the two pipe bodies in the shell are communicated with a three-way pipe, a supporting plate is welded on the bottom wall in the shell, a suction communicated fan is mounted on the supporting plate, the other end of the three-way pipe is communicated with a suction air inlet, a plate body is welded between the top wall and the bottom wall in the shell to divide the shell into a first cavity and a second cavity, the three-way pipe and an exhaust fan are located in the first cavity, an air outlet of the exhaust fan is communicated with a first connecting pipe, the first connecting pipe penetrates through the plate body and extends into the second cavity, a second connecting pipe penetrates through the other side of the shell, and an L-shaped pipe penetrates through the second connecting pipe; check valves are respectively arranged on the second connecting pipe and the L-shaped pipe, and the second connecting pipe and the L-shaped pipe are respectively communicated with the pulse tank; z-shaped spray pipes penetrate through one sides of the two pulse tanks respectively, and the two Z-shaped spray pipes are introduced into the combustion furnace.

Two the welding of the adjacent one side of pulse jar has the third connecting pipe, and the welding of the third connecting pipe lateral wall between two pulse jars has the connecting rod.

Further, pressure measuring component includes the toper pipe, and the toper pipe welds in the pulse jar, the outside welding of toper pipe has the current conducting plate, and the top of pulse jar is run through there is electric arc point firearm, and electric arc point firearm's bottom is in the laminating of current conducting plate.

Further, the welding of the middle part in the third connecting pipe has the connecting plate, and the upper and lower surface welding of connecting plate has two symmetrical barrels, and the other end of two barrels runs through the pulse jar lateral wall that corresponds, and the middle part welding that is close to connecting plate one end in the barrel has pressure measurement appearance, the both sides that lie in pressure measurement appearance in the barrel are equipped with the spring, the one end and the connecting plate rigid coupling of spring, the other end welding T template of spring, the port phase-match of T template and the barrel other end, and the middle part and the pressure measurement appearance of T template are connected.

Further, the controller is welded to the one end of connecting plate in the third connecting pipe, and the front surface mounting of third connecting pipe has the display screen, and the controller is even with the display screen electricity.

The utility model has the beneficial effects that: according to the utility model, acetylene and air are mixed in the shell, and are ignited in the pulse tank at high frequency through the electric arc igniter, so that gas is deflagrated in the pulse tank, the volume is rapidly expanded, high-temperature and high-speed airflow is generated, the airflow enters the furnace through the Z-shaped spray pipe, energy is released, the airflow is reflected by the hot-surface tube bundle and the furnace wall for multiple times to diffuse the whole surface to be dedusted, and the accumulated ash is loosened and dropped, thereby achieving the purpose of dedusting, and the soot blowing effect can be well achieved aiming at the fin-type tube bundle or the tube bundle with small gaps, and the pressure in the pulse tank can be monitored through the display screen, so that the power of blasting and soot blowing and the number of times of ignition and blasting can be adjusted.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a cross-sectional structural view of the present invention;

fig. 3 is a view of the load cell assembly of the present invention.

Reference numerals: 1. operating the component; 101. a housing; 11. a pipe body; 12. an electromagnetic valve; 13. a three-way pipe; 14. a support plate; 15. an exhaust fan; 16. a plate body; 17. a first connecting pipe; 18. a second connecting pipe; 19. an L-shaped pipe; 20. a check valve; 21. a pulse tank; 22. a Z-shaped spray pipe; 23. a combustion furnace; 24. a connecting rod; 25. a third connecting pipe; 3. a pressure measuring assembly; 301. a tapered tube; 31. a conductive plate; 32. an arc igniter; 33. a connecting plate; 34. a controller; 35. a barrel; 36. a pressure detector; 37. a spring; 38. a T-shaped plate; 39. a display screen.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, a gas pulse soot-blowing system for a boiler comprises an operation assembly 1, wherein a pressure measuring assembly 3 is arranged on the inner side wall of the operation assembly 1; the operation component 1 comprises a shell 101, two pipe bodies 11 symmetrically penetrate through one side of the shell 101, electromagnetic valves 12 are respectively installed on the two pipe bodies 11 outside the shell 101, the ports of the two pipe bodies 11 in the shell 101 are communicated with two ports of a three-way pipe 13, a support plate 14 is welded on the inner bottom wall of the shell 101, an exhaust fan 15 is installed on the support plate 14, the other port of the three-way pipe 13 is communicated with an air inlet of the exhaust fan 15, a plate body 16 is welded between the inner top wall and the inner bottom wall of the shell 101, an exhaust outlet of the exhaust fan 15 is communicated with a first connecting pipe 17, the first connecting pipe 17 penetrates through the plate body 16, a second connecting pipe 18 penetrates through the other side of the shell 101, an L-shaped pipe 19 penetrates through the outer side wall of the second connecting pipe 18, check valves 20 are respectively installed on the second connecting pipe 18 and the L-shaped pipe 19, the second connecting pipe 18 and the L-shaped pipe 19 are respectively communicated with a pulse tank 21, and energy backflow is prevented through the installed check valves 20, and a pulse tank 21 is provided for compressing the gas. Z-shaped spray pipes 22 penetrate through one sides of the two pulse tanks 21 far away from the shell 101, the outer side walls of the two Z-shaped spray pipes 22 penetrate through the combustion furnace 23, and energy is released through the arranged Z-shaped spray pipes 22.

The welding of the adjacent one side of two pulse jars 21 has third connecting pipe 25, and the welding of the third connecting pipe 25 outside between two pulse jars 21 has connecting rod 24, is used for linking up two pulse jars 21 through third connecting pipe 25, is used for improving the fixity of connecting through connecting rod 24.

Pressure measuring component 3 includes tapered tube 301, and tapered tube 301 welds the inboard at pulse jar 21, and tapered tube 301's lateral wall welding has current conducting plate 31, and pulse jar 21's upper surface runs through there is arc ignition ware 32, and the bottom and the laminating of current conducting plate 31 top surface of arc ignition ware 32 compress deflagration gas through tapered tube 301, and the arc ignition ware 32 of setting plays the effect of lighting through current conducting plate 31.

The middle part of the inner side wall of the third connecting pipe 25 is welded with a connecting plate 33, the upper surface and the lower surface of the connecting plate 33 are symmetrically welded with two cylinders 35, a controller 34 is welded between one end of the connecting plate 33 and the inner wall of the third connecting pipe 25, and the controller 34 is used for transmitting signals to a display screen 39; the lateral wall of two barrels 35 runs through in two adjacent one sides of pulse jar 21 respectively, and the inside wall welding of barrel 35 has pressure detector 36, and the spring 37 has been welded respectively in the both sides that just are located pressure detector 36 of barrel 35, and four springs 37 repel each other one side symmetric welding has two T template 38, and through the T template 38 that sets up with the pressure transmission that receives for pressure detector 36 through spring 37, pressure detector 36 detects the pressure that receives after the detonation. A display screen 39 is installed on the front surface of the third connection pipe 25, and the display screen 39 is used for displaying the pressure value.

A switch set for controlling the start and the stop of the exhaust fan 15 is installed outside the casing 101, the switch set is connected to an external commercial power for supplying power to the exhaust fan 15, and an electrical output end of the pressure detector 36 is electrically connected to an electrical input end of the controller 34 through a wire.

The model of the exhaust fan 15 is XGB 212-370W/380V; the model number of the display screen 39 is TJ150TC 04;

the pressure detector 36 is SMYB-13X; controller 34 is model AQMD6030 BLS.

The working principle of the utility model is as follows: acetylene and air respectively enter the shell 101 through the two arranged pipe bodies 11, the installed exhaust fan 15 accelerates the flow rate of the acetylene and the air, the acetylene and the air enter the other side of the plate body 16 through the first connecting pipe 17, mixed gas respectively enters the two pulse tanks 21 through the second connecting pipe 18 and the L-shaped pipe 19, the mixed gas is ignited by the installed electric arc igniter 32 and the electric conduction plate 31 to deflagrate in the pulse tanks 21, the set check valve 20 can effectively prevent the reverse flow of deflagration energy, the compressed energy is output to the inside of the combustion furnace 23 through the Z-shaped spray pipe 22 through the conical pipe 301, the energy released in the forms of impact kinetic energy, sound energy and heat energy is subjected to hot surface pipe bundles and furnace walls for multiple reflections to diffuse the whole surface to be ash removed, so that the deposited ash is loosened and dropped, and the purpose of removing the ash is achieved; the pressure that the inside detonation of conical tube 301 produced transmits pressure detector 36 through T type board 38 and spring 37, and pressure detector 36 transmits pressurized signal to controller 34, and the signal feedback that controller 34 received is to display screen 39 to show by it, thereby can real-time supervision stove internal pressure, prevent effectively that pressure is too big, prevent the condition of exploding the stove.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (5)

1. The utility model provides a gas pulse soot blowing system for boiler which characterized in that: the device comprises an operation component (1), wherein a pressure measuring component (3) is arranged on the inner side wall of the operation component (1); the operation assembly (1) comprises a shell (101), two pipe bodies (11) are symmetrically penetrated through one side of the shell (101), electromagnetic valves (12) are respectively installed on the two pipe bodies (11) outside the shell, the two pipe bodies (11) in the shell are communicated with a three-way pipe (13), a support plate (14) is welded on the bottom wall in the shell (101), a draught fan (15) is installed on the support plate (14) in a communicated mode, the other end of the three-way pipe (13) is communicated with an air inlet of the exhaust fan (15), a plate body (16) is welded between the top wall and the bottom wall in the shell (101) to divide the shell into a first cavity and a second cavity, the three-way pipe (13) and the exhaust fan (15) are located in the first cavity, an air outlet of the exhaust fan (15) is communicated with a first connecting pipe (17), the first connecting pipe (17) penetrates through the plate body (16) and extends into the second cavity, a second connecting pipe (18) penetrates through the other side of the shell (101), an L-shaped pipe (19) penetrates through the second connecting pipe (18); the second connecting pipe (18) and the L-shaped pipe (19) are respectively provided with a check valve (20), and the second connecting pipe (18) and the L-shaped pipe (19) are respectively communicated with the pulse tank (21); z-shaped spray pipes (22) penetrate through one sides of the two pulse tanks (21), and the two Z-shaped spray pipes (22) are communicated with a combustion furnace (23).

2. The gas pulse sootblowing system for a boiler according to claim 1, wherein: two the welding of the adjacent one side of pulse jar (21) has third connecting pipe (25), and the welding of third connecting pipe (25) lateral wall between two pulse jars (21) has connecting rod (24).

3. The gas pulse sootblowing system for a boiler according to claim 1 or 2, characterized in that: the pressure measuring assembly (3) comprises a conical tube (301), the conical tube (301) is welded in the pulse tank (21), a conductive plate (31) is welded on the outer side of the conical tube (301), an electric arc igniter (32) penetrates through the top end of the pulse tank (21), and the bottom end of the electric arc igniter (32) is attached to the conductive plate (31).

4. The gas pulse sootblowing system for a boiler according to claim 3, wherein: the welding of the middle part in third connecting pipe (25) has connecting plate (33), and the upper and lower surface welding of connecting plate (33) has two symmetrical barrel (35), and the other end of two barrel (35) runs through corresponding pulse tank (21) lateral wall, and the middle part welding that is close to connecting plate (33) one end in barrel (35) has pressure detector (36), the both sides that lie in pressure detector (36) in barrel (35) are equipped with spring (37), and the one end and the connecting plate (33) rigid coupling of spring (37), the other end welding T template (38) of spring (37), the port phase-match of T template (38) and barrel (35) other end, the middle part and the pressure detector (36) of T template (38) are connected.

5. The gas pulse sootblowing system for boiler of claim 4, wherein: the one end welding of third connecting pipe (25) in connecting plate (33) has controller (34), and the front surface mounting of third connecting pipe (25) has display screen (39), and controller (34) and display screen (39) electricity are even.

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