CN216769461U - Desulfurization and denitrification spray gun angle adjustment system - Google Patents
Desulfurization and denitrification spray gun angle adjustment system Download PDFInfo
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- CN216769461U CN216769461U CN202122627062.3U CN202122627062U CN216769461U CN 216769461 U CN216769461 U CN 216769461U CN 202122627062 U CN202122627062 U CN 202122627062U CN 216769461 U CN216769461 U CN 216769461U
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- atomizing spray
- desulfurization
- denitrification
- boiler
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Abstract
The utility model relates to the field of boiler flue gas treatment, in particular to a desulfurization and denitrification spray gun angle adjusting system which comprises an atomization spray gun, wherein a nozzle of the atomization spray gun is arranged in a boiler hearth and/or a flue, and an installation opening in clearance fit with the atomization spray gun is arranged on a boiler; the externally connected of atomizing spray gun has angle adjusting device, angle adjusting device drives atomizing spray gun and removes around the erection opening part, realizes the adjustment to atomizing spray gun spout angle. The utility model relates to a flue gas desulfurization atomization spray gun, which can strengthen the mixing of desulfurization and denitrification agents and flue gas by adjusting the angle of a spray gun nozzle so as to meet the requirements of high mixing efficiency.
Description
Technical Field
The utility model relates to the field of boiler flue gas treatment, in particular to a desulfurization and denitrification spray gun angle adjusting system.
Background
Environmental problems are one of the worldwide problems faced by people in the world at present, the problem of climate change is more prominent since the 21 st century, and the frequent occurrence of extreme weather causes serious economic loss and even life-threatening to related countries and people. Wherein, the oxynitride is the basic cause of acid rain, photochemical smog and even ozone layer destruction, if the oxynitride can not be effectively controlled, the oxynitride can cause serious injury to surrounding personnel, living beings and equipment, and can cause harm to the life and environment of surrounding residents along with wind diffusion. The combustion of fossil fuel is the main reason that nitrogen oxide produces, and in order to reduce the content of nitrogen oxide in the flue gas, current SNCR technique uses urea or aqueous ammonia as reductant usually, directly spouts into furnace under the effect of need not catalyst and pyrolyzes into NH under high temperature3So that the high-temperature flue gas reacts with the high-temperature flue gas to generate NOxReduction to N2. The factors influencing the SNCR efficiency mainly include: (1) the degree of mixing of the reducing agent with the flue gas; (2) ammonia nitrogen molar ratio; (3) the temperature range in which the reducing agent is injected. Where uniformity of ammonia distribution is of utmost importance, the less distributed regions contribute to NOxThe reaction is not thorough, and the area with excessive distribution causes ammonia to escape to form secondary pollution, so that more uniform ammonia distribution in the reaction area has important significance for improving the SNCR denitration efficiency.
And the atomizing spray gun that present flue gas (waste gas) SOx/NOx control system adopted is the fixed design of angle, and the mixing action scope of SOx/NOx control agent and flue gas is limited, is difficult to effectively improve SOx/NOx control's efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a desulfurization and denitrification spray gun angle adjusting system to solve the problems that the mixing action range of an atomization spray gun adopted by the existing flue gas desulfurization and denitrification system is limited and the desulfurization and denitrification efficiency is difficult to improve.
In order to solve the technical problems, the technical means of the desulfurization and denitrification spray gun angle adjusting system adopted by the utility model is as follows: the device comprises an atomizing spray gun, wherein a nozzle of the atomizing spray gun is arranged in a hearth and/or a flue of a boiler, and the boiler is provided with an installation opening in clearance fit with the atomizing spray gun; the externally connected of atomizing spray gun has angle adjusting device, angle adjusting device drives atomizing spray gun and removes around the erection opening part, realizes the adjustment to atomizing spray gun spout angle.
The desulfurization and denitrification spray gun angle adjusting system of the technical scheme has the following technical advantages: the utility model can adjust the nozzle angle of the atomizing spray gun, realize high-efficiency atomization and high-efficiency mixing, can adjust the nozzle of the spray gun in real time according to the working condition of flue gas, can realize the adjustment of any radial angle of the nozzle of the atomizing spray gun by adjusting the nozzle angle by the angle adjusting device, and realizes the dynamic and static isolation of the nozzle and the flue by the sealing device. Compared with the mode that the spray guns are fixedly arranged, the radial spraying angle of the spray guns can be adjusted in real time according to the change of working conditions, so that the desulfurization and denitrification agent and the flue gas are mixed in a disturbing manner, the desulfurization and denitrification efficiency is improved, and the method has good social value. The utility model strengthens the mixing of the desulfurization and denitrification agent and the flue gas by adjusting the nozzle angle of the atomizing spray gun, and obviously improves the mixing efficiency.
Preferably, a sealing device is further arranged at the mounting opening and used for sealing a gap between the atomizing spray gun and the mounting opening.
As a preferred scheme, the sealing device comprises an adjusting ball, the adjusting ball is embedded and fixed at the outlet end of the atomizing spray gun, an adjusting ball base corresponding to the adjusting ball is arranged on the boiler, an adjusting ball cover is further arranged on the other side of the adjusting ball, and the adjusting ball is limited on the adjusting ball base by the adjusting ball cover to form hinge joint; the cooperation of adjusting ball and adjusting ball base, adjusting ball lid makes and forms between the external mounting opening of atomizing spray gun and be similar to articulated structure, and it is very convenient to adjust the angle of atomizing spray gun spout, and the leakproofness is good moreover, connects the installation simple.
As a preferred scheme, the sealing device comprises a sealing box which is used for sealing and connecting the atomizing spray gun and the boiler installation opening, installation through holes matched with the atomizing spray gun are formed in two sides of the sealing box, and a purging pipe for purging impurities at the installation opening is further arranged on the sealing box; the purging pipe can blow away impurities, so that the blockage is prevented from affecting the adjustment of the nozzle angle, and the sealing device ensures the flexible rotation of the nozzle while ensuring the sealing.
Preferably, the purging pipe has two positions which respectively face the installation opening of the boiler; two blowing pipes are symmetrically arranged, and the effect is better compared with the effect when one blowing pipe is used.
As a preferred scheme, a sealing-resistant heat-insulating layer is arranged between the mounting through hole of the sealing box and the atomizing spray gun; the sealing-resistant heat-insulating layer can play a role in sealing, and meanwhile, the atomizing spray gun can have a certain rotating angle and range.
Preferably, the angle adjusting device is a hydraulic cylinder, an air cylinder, a screw elevator or a telescopic motor.
Preferably, the angle adjusting device is provided with two positions, and the moving directions of the two angle adjusting devices are crossed; the two adjusting devices work in a matching way, and the nozzle of the atomizing spray gun can rotate for 360 degrees.
Preferably, the mounting opening is a strip-shaped hole, a circular hole or a cross-shaped hole.
Preferably, the boiler is a coal-fired boiler or a biomass-fired boiler.
Drawings
FIG. 1 is a schematic view 1 of example 1;
FIG. 2 is a schematic view 2 of example 1;
FIG. 3 is a schematic view 3 of example 1;
FIG. 4 is schematic view 1 of example 2;
fig. 5 is a schematic view 2 of example 2.
The main part symbols in the figures are explained as follows:
1. an atomizing spray gun; 2. a liquid phase inlet; 3. a gas phase inlet; 4. an angle adjusting device; 5. a boiler; 6. adjusting the ball; 7. adjusting the ball seat; 8. adjusting the ball cover; 9. a bolt; 10. a sealing box; 11. and (4) purging the tube.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1, 2 and 3, the nozzle of the atomizing spray gun is installed in the boiler furnace and/or the flue, and the desulfurization and denitrification spray gun angle adjusting system comprises a boiler 5 and the atomizing spray gun 1 penetrating through the boiler 5. The atomizing spray gun 1 is generally provided with a liquid phase inlet 2, a gas phase inlet 3 and a nozzle. The boiler 5 is provided with an installation opening for installing the atomizing spray gun 1, and the nozzle end of the atomizing spray gun 1 is installed in the boiler 5 through the installation opening; the mounting opening is in clearance fit with the atomizing spray gun 1, and a sealing device is arranged at the mounting opening and is used for sealing and connecting the atomizing spray gun 1 and the mounting opening of the boiler 5; the outside of atomizing spray gun 1 still is connected with angle adjusting device, and angle adjusting device drives the one end removal of atomizing spray gun 1, makes the spout radial movement of the atomizing spray gun 1 other end, and the spout of atomizing spray gun 1 rotates for the installing opening promptly to the realization is to the adjustment of 1 spout angle of atomizing spray gun. The angle adjusting device is provided with two positions, the motion directions of the two angle adjusting devices are crossed, preferably, one angle adjusting device is located in the vertical direction, the other angle adjusting device is located in the horizontal direction of the angle adjusting device, the two angle adjusting devices can move in two directions of an X, Y shaft in a matching mode, any movement in the radial direction of a nozzle of the atomizing spray gun 1 is achieved, and the atomizing spray gun 1 can rotate 360 degrees in a certain range around an installation opening. The mounting opening is in the shape of a strip-shaped hole, a round hole or a cross hole. The device also comprises a control system for controlling the angle adjusting device to work. Fig. 1 is a schematic view when the nozzle of the atomizing spray gun 1 is horizontal, fig. 2 is a schematic view when the nozzle of the atomizing spray gun 1 is inclined upwards, and fig. 3 is a schematic view when the nozzle of the atomizing spray gun 1 is inclined downwards. The atomising spray gun 1 is prior art. The angle adjusting device is a hydraulic cylinder, an air cylinder, a thread elevator or a telescopic motor, and controls the angle of the nozzle through the feedback of displacement, wherein the upper end of the angle adjusting device is hinged with the atomizing spray gun 1, and the lower end of the angle adjusting device is hinged and fixed with the ground, a base, a frame or a base.
The sealing device comprises an adjusting ball 6, the adjusting ball 6 is embedded and sleeved at the outlet end of the atomizing spray gun 1, an adjusting ball base 7 corresponding to the adjusting ball 6 is arranged on the boiler 5, an adjusting ball cover 8 is further arranged on the other side of the adjusting ball 7, and the adjusting ball cover 8 limits the adjusting ball 6 to be hinged to the adjusting ball base 7. As shown in the figure, the atomizing spray gun 1 can rotate at the installation opening through the adjusting ball 6, and the angle adjusting device drives one end of the atomizing spray gun 1 to move, so that the angle of the nozzle of the atomizing spray gun 1 can be adjusted. For the convenience of installation, the adjusting ball cover 8 is divided into two symmetrical parts, and the adjusting ball cover 8 is connected with the adjusting ball base 7 through a bolt 9. Fig. 4 is a schematic view when the spray opening of the atomizing spray gun 1 is horizontal, and fig. 5 is a schematic view when the spray opening of the atomizing spray gun 1 is inclined downward.
Example 2
The difference between the embodiment 1 and the embodiment 2 is that the sealing device is different, as shown in fig. 4 and 5, the sealing device includes a sealing box 10 for sealing and connecting the atomizing spray gun 1 and the mounting opening of the boiler 5, mounting through holes matched with the atomizing spray gun are arranged on both sides of the sealing box 10, and a purging pipe 11 for purging impurities at the mounting opening is further arranged on the sealing box 10. The purge pipe 11 has two positions, respectively facing the installation openings of the boiler 5. Be provided with resistant sealed insulating layer between the installation through-hole of seal box 10 and atomizing spray gun 1, the fine layer of glass or asbestos layer is preferred in sealed insulating layer, and rubber seal's internal diameter is less than atomizing spray gun 1's external diameter.
The working principle and the process thereof are as follows: according to the real-time detection of the control system, the control system controls the angle adjusting device to drive one end of the atomizing spray gun 1 to move, so that the nozzle at the other end of the atomizing spray gun 1 moves along the radial direction, and the angle of the nozzle of the atomizing spray gun 1 is adjusted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a SOx/NOx control spray gun angular adjustment system, including the atomizing spray gun, its characterized in that: the nozzle of the atomizing spray gun is arranged in a boiler furnace and/or a flue, and the boiler is provided with an installation opening in clearance fit with the atomizing spray gun; the externally connected of atomizing spray gun has angle adjusting device, angle adjusting device drives atomizing spray gun and removes around the erection opening part, realizes the adjustment to atomizing spray gun spout angle.
2. The desulfurization and denitrification lance angle adjustment system according to claim 1, characterized in that: the mounting opening is further provided with a sealing device, and the sealing device is used for sealing and connecting a gap between the atomizing spray gun and the mounting opening.
3. The desulfurization and denitrification lance angle adjustment system according to claim 2, characterized in that: the sealing device comprises an adjusting ball, the adjusting ball is embedded and sleeved at the outlet end of the atomizing spray gun, an adjusting ball base corresponding to the adjusting ball is arranged on the boiler, an adjusting ball cover is arranged on the other side of the adjusting ball, and the adjusting ball is limited on the adjusting ball base by the adjusting ball cover to form hinge joint.
4. The desulfurization and denitrification lance angle adjustment system according to claim 2, characterized in that: sealing device is including sealing connection atomizing spray gun and boiler installation open-ended seal box, the both sides of seal box all be equipped with atomizing spray gun complex installation through-hole, still be equipped with on the seal box and carry out the pipe that sweeps to installation opening part department impurity.
5. The desulfurization and denitrification lance angle adjustment system according to claim 4, characterized in that: the purging pipe has two positions respectively facing the installation opening of the boiler.
6. The desulfurization and denitrification lance angle adjustment system according to claim 4, characterized in that: and a sealing-resistant heat-insulating layer is arranged between the mounting through hole of the sealing box and the atomizing spray gun.
7. The desulfurization and denitrification lance angle adjusting system according to any one of claims 1 to 6, wherein: the angle adjusting device is a hydraulic cylinder, an air cylinder, a thread elevator or a telescopic motor.
8. The desulfurization and denitrification lance angle adjustment system according to claim 1, wherein: the angle adjusting device is provided with two positions, and the moving directions of the two angle adjusting devices are crossed.
9. The desulfurization and denitrification lance angle adjustment system according to claim 1, characterized in that: the mounting opening is in the shape of a strip-shaped hole, a round hole or a cross hole.
10. The desulfurization and denitrification lance angle adjusting system according to any one of claims 1 to 6, wherein: the boiler is a coal-fired boiler or a biomass combustion boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122627062.3U CN216769461U (en) | 2021-10-29 | 2021-10-29 | Desulfurization and denitrification spray gun angle adjustment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122627062.3U CN216769461U (en) | 2021-10-29 | 2021-10-29 | Desulfurization and denitrification spray gun angle adjustment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216769461U true CN216769461U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122627062.3U Active CN216769461U (en) | 2021-10-29 | 2021-10-29 | Desulfurization and denitrification spray gun angle adjustment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216769461U (en) |
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2021
- 2021-10-29 CN CN202122627062.3U patent/CN216769461U/en active Active
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