CN219160375U

CN219160375U - Pulse soot blower's transformation structure

Info

Publication number: CN219160375U
Application number: CN202223455292.7U
Authority: CN
Inventors: 张哲�; 鞠学峰; 代宏强; 王克庭
Original assignee: Lanzhou Xincheng Thermal Power Co ltd
Current assignee: Lanzhou Xincheng Thermal Power Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-06-09
Anticipated expiration: 2032-12-23

Abstract

The utility model particularly relates to the technical field of soot blowers and discloses a reconstruction structure of a pulse soot blower. The gas-fired boiler comprises combustion equipment and a pulse soot blower, wherein an air outlet port of the pulse soot blower is communicated with a soot blowing duct, the other end of the soot blowing duct is communicated with a convection heating end part of the combustion equipment, and after high-reactivity gas enters the pulse soot blower for blasting, generated pulse waves enter the combustion equipment from the soot blowing duct for soot blowing operation; the combustion equipment is internally provided with a blowing calandria for improving the laying surface of the pulse wave, and a soot blowing conduit positioned in the combustion equipment is connected with the blowing calandria. According to the utility model, the blowing calandria is additionally arranged on the basis of the existing pulse nozzle form, pulse waves generated by the simultaneous blasting of a plurality of groups of pulse soot blowers are sprayed out simultaneously through the pulse calandria, so that the pulse wave is wide in involvement area, the soot blowing area is increased to a certain extent, the using effect is enhanced, and the treatment effect of the pulse soot blowers is enhanced.

Description

Pulse soot blower's transformation structure

Technical Field

The utility model belongs to the technical field of soot blowers, and particularly relates to a reconstruction structure of a pulse soot blower.

Background

In the running process of the coal-fired and oil-fired boilers, the influence of convection heating surface on the heat efficiency of the boilers and the output of the boilers is large, because ash in the fuel enters a convection heat exchange area along with smoke, the ash is easy to accumulate on the convection heat exchange surface, especially when the biomass fuel and the high ash fuel are combusted, the ash accumulation condition is serious, the smoke resistance is increased, the smoke exhaust temperature is increased, and the normal running of the boilers is seriously influenced.

Therefore, the dust treatment is generally carried out by utilizing the pulse soot blower, the high-reactivity fuel gas and the air are mixed according to a certain proportion, the high-energy ignition is carried out, the deflagration occurs in a specially designed combustion chamber, the instant pressure energy is increased, the pulse wave with controllable strength is released from a soot blowing opening at supersonic speed, the pulse wave impact kinetic energy is used for blowing a heating surface and is accompanied with high-sound-intensity sonic oscillation and heat cleaning effects, and the accumulated dust at the heating end is fallen off under the effect of the impact wave, so that the purposes of blowing dust, ensuring the cleaning of the heating surface, improving the heat transfer efficiency and recovering the boiler output are achieved.

The traditional pulse soot blower often adopts a pulse nozzle mode, the pulse wave is limited by a nozzle structure to have fewer radiation surfaces, and the soot blowing effect is poor for areas where the pulse wave cannot reach.

Disclosure of Invention

Aiming at the technical problems, the utility model aims to provide a reconstruction structure of a pulse soot blower, which is characterized in that a jetting exhaust pipe is additionally arranged by reconstruction based on the existing pulse nozzle form, pulse waves generated by simultaneous blasting of a plurality of groups of pulse soot blowers are simultaneously ejected through the pulse exhaust pipe, so that the pulse waves are involved, the soot blowing area is enlarged to a certain extent, the using effect is enhanced, and the processing effect of the pulse soot blower is enhanced.

The technical aim of the utility model is realized by the following technical scheme: the improved structure of the pulse soot blower comprises combustion equipment and the pulse soot blower, wherein an air outlet port of the pulse soot blower is communicated with a soot blowing duct, the other end of the soot blowing duct is communicated with a convection heating end part of the combustion equipment, and after high-reactivity gas enters the pulse soot blower for blasting, generated pulse waves enter the combustion equipment from the soot blowing duct to perform soot blowing operation;

the combustion equipment is internally provided with a blowing calandria for improving the laying surface of the pulse wave, a soot blowing duct inside the combustion equipment is connected with the blowing calandria, and the blowing calandria is positioned above the convection heating end part.

By adopting the technical scheme, the blowing calandria is additionally arranged by reforming on the basis of the form of the existing pulse nozzle, pulse waves generated by the simultaneous blasting of a plurality of groups of pulse soot blowers are made through the pulse calandria, and the pulse waves are sprayed out simultaneously, so that the pulse wave involved area is enlarged to a certain extent, the using effect is enhanced, and the treatment effect of the pulse soot blowers is enhanced.

The utility model is further provided with:

the combustion equipment is internally and fixedly provided with a blowing calandria, and the blowing calandria is detachably connected with the combustion equipment.

By adopting the technical scheme, the connection between the blowing calandria and the combustion equipment is realized.

The utility model is further provided with:

the pulse soot blower adopts a plurality of groups of settings, a soot blowing conduit is welded at the outlet end of the pulse soot blower, and the soot blowing conduit is communicated with an air inlet of the jetting exhaust pipe.

By adopting the technical scheme, the connection between the pulse soot blowers and the jetting exhaust pipes is realized through the soot blowing guide pipe.

The utility model is further provided with:

the blowing calandria is made of plugging pipelines.

By adopting the technical scheme, both ends of the blowing calandria are plugged, so that the condition of pulse weakening is avoided.

The utility model is further provided with:

pulse holes are formed in the bottoms of the jetting calandria at the position of the convection heating end, the pulse holes are formed in multiple groups, the width of the surface of the pulse holes is uniformly arranged along the width of the convection heating end, the pulse holes are arranged in an arc shape, and the jetting area of the pulse holes is in a fan shape.

By adopting the technical scheme, the pulse wave ejection area is enhanced.

In summary, the beneficial technical effects of the utility model are as follows:

1. through reforming transform on current pulse nozzle form basis, add the jetting calandria, make the pulse wave that many groups of pulse soot blowers fire burst simultaneously and produce through the pulse calandria, spout simultaneously for the pulse wave is related to the area, increases the soot blowing region to a certain extent, strengthens the result of use, strengthens the treatment effect of pulse soot blower.

2. The bottom of the jetting calandria towards convection heating end position is provided with a plurality of groups of pulse punching holes, and the pulse punching holes are arranged in an arc shape, so that the jetting area of the pulse holes is arranged in a sector shape, and the jetting area of the pulse waves is enhanced.

Drawings

FIG. 1 is a schematic overall construction of an embodiment of the present utility model;

fig. 2 is a block diagram of one embodiment of the present utility model.

Reference numerals: 1. a pulse soot blower; 2. a soot blowing conduit; 3. blowing a calandria; 4. a convection heated end; 5. pulse punching; 6. a combustion apparatus.

Detailed Description

The present utility model will be described more fully hereinafter with reference to the accompanying examples.

Referring to fig. 1-2, a pulse soot blower reconstruction structure comprises combustion equipment 6 and a pulse soot blower 1, wherein the pulse soot blower 1 adopts a plurality of groups of settings, a soot blowing duct 2 is welded at the outlet end of the pulse soot blower 1, a jetting pipe 3 for improving the laying surface of pulse waves is fixedly arranged in the combustion equipment 6, the jetting pipe 3 is detachably connected with the combustion equipment 6, and the connection between the jetting pipe 3 and the combustion equipment 6 is realized; the blowing calandria 3 is positioned above the convection heating end 4; the soot blowing conduit 2 is communicated with an air inlet of the jetting exhaust pipe 3, and the connection between a plurality of groups of pulse soot blowers and the jetting exhaust pipe 3 is realized through the soot blowing conduit; the blowing calandria 3 is made by shutoff pipeline, the shutoff is carried out at blowing calandria both ends, avoids appearing the condition that the pulse weakens from this.

Referring to fig. 1-2, further, pulse holes 5 are provided at the bottom of the blowing calandria 3 facing the position of the convection heating end 4, the pulse holes 5 are provided in multiple groups, and are uniformly arranged along the width of the arrangement surface of the convection heating end 4, and the pulse holes 5 are arranged in arc shape, so that the ejection area of the pulse holes is arranged in fan shape.

The application flow and the working principle of the utility model are as follows:

when the pulse soot blower is used, the control program of the pulse soot blower is firstly adjusted before the pulse soot blower is used, so that a plurality of groups of connected pulse soot blowers work simultaneously and blow simultaneously, which is the prior art, and because the pulse soot blower is not described in detail herein, the pulse soot blower is connected with an external air source before the pulse soot blower is used, the external air source is conveyed into the pulse soot blower by starting the pulse soot blower at the moment, so that high-reactivity fuel gas and air are mixed according to a certain proportion, deflagration occurs in a specially designed combustion chamber in the pulse soot blower after high-energy ignition, instant pressure energy is increased, and at the moment, air flow can simultaneously cause blowing calandria 3 along different soot blowing pipes 2;

at this time, as the pulse holes 5 are arranged at the bottom of the jetting calandria 3 facing to the position of the convection heating end 4, the air flow is released from a plurality of groups of pulse holes at supersonic speed and diverges to the convection heating end 4, the pulse wave impact kinetic energy sweeps the heating surface and simultaneously has high sound intensity sonic oscillation and thermal cleaning effects, and the accumulated ash of the convection heating end is fallen off under the effect of the impact wave, so that dust is blown off to ensure the cleaning of the heating surface.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model. All equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a pulse soot blower's transformation structure, includes combustion apparatus and pulse soot blower, its characterized in that: the air outlet port of the pulse soot blower is communicated with a soot blowing duct, the other end of the soot blowing duct is communicated with the convection heating end part of the combustion equipment, and after the high-reactivity gas enters the pulse soot blower for blasting, the generated pulse wave enters the combustion equipment from the soot blowing duct for soot blowing operation;

2. The pulse sootblower retrofit architecture of claim 1 wherein: the pulse soot blower adopts a plurality of groups of settings, a soot blowing conduit is welded at the outlet end of the pulse soot blower, and the soot blowing conduit is communicated with an air inlet of the jetting exhaust pipe.

3. The pulse sootblower retrofit architecture of claim 2 wherein: the blowing calandria is made of plugging pipelines.

4. The pulse sootblower retrofit architecture of claim 1 wherein: pulse holes are formed in the bottoms of the jetting calandria at the position of the convection heating end, the pulse holes are formed in multiple groups, the width of the surface of the pulse holes is uniformly arranged along the width of the convection heating end, and the pulse holes are arranged in an arc shape.