CN215655830U - Double-fluid atomization spray gun for desulfurizing tower - Google Patents
Double-fluid atomization spray gun for desulfurizing tower Download PDFInfo
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- CN215655830U CN215655830U CN202121763418.XU CN202121763418U CN215655830U CN 215655830 U CN215655830 U CN 215655830U CN 202121763418 U CN202121763418 U CN 202121763418U CN 215655830 U CN215655830 U CN 215655830U
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Abstract
The utility model relates to a double-fluid atomization spray gun for a desulfurizing tower, which comprises a gun barrel, a nozzle, an air inlet pipe and an air inlet pipe, wherein the gun barrel penetrates through and is fixedly connected to the tower wall of the desulfurizing tower, the nozzle is communicated with the gun barrel and is positioned in the desulfurizing tower, and the air inlet pipe are positioned outside the desulfurizing tower and penetrate into the gun barrel. The air inlet pipe and the water inlet pipe respectively send compressed air and water to the nozzle, the water collides with the compressed air to realize atomization, the liquid-gas ratio is adjusted by adjusting the pressure of the water and the compressed air, the spraying speed and the particle size are adjusted, the stability of the atomized particle size is ensured, the requirements of adjusting the flue gas quantity and the flue gas temperature are met, the reaction temperature is ensured, and the desulfurization efficiency is ensured; the inner diameter of the mixing pipe is reduced through the arrangement of the lug boss, so that the flow velocity of compressed gas is increased, the flow velocity of the compressed gas is further improved, and the atomization effect of water is ensured after the compressed gas collides with the water; through the setting of backup pad, play the effect of supporting the barrel, the bulk strength of reinforcing barrel.
Description
Technical Field
The utility model relates to the field of desulfurizing towers, in particular to the technical field of spray guns for desulfurizing towers, and specifically relates to a double-fluid atomization spray gun for a desulfurizing tower.
Background
At present, CFB desulfurization is applied to small and medium-sized coal-fired boilers more because of the advantages of low investment, no wastewater, no white smoke and the like. In small-scale CFB desulfurization, the temperature of flue gas in a desulfurizing tower is reduced to be about 15-20 ℃ higher than the dew point of the flue gas, and the reaction of SO2 and Ca (OH)2 is converted into an ionic reaction which can be completed instantly, SO the reaction temperature has great influence on the desulfurization reaction, and the desulfurization efficiency is influenced.
In practical application, the existing single-fluid spray gun cannot meet the requirements of adjusting the flue gas volume and the flue gas temperature, the reaction temperature is influenced, and the desulfurization efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the double-fluid atomization spray gun for the desulfurizing tower, which meets the requirements of adjusting the flue gas volume and the flue gas temperature, ensures the reaction temperature and ensures the desulfurizing efficiency.
The utility model is realized by the following technical scheme that the double-fluid atomization spray gun for the desulfurizing tower comprises a gun barrel which penetrates through and is fixedly connected with the wall of the desulfurizing tower, a nozzle which is communicated with the gun barrel and is positioned in the desulfurizing tower, and an air inlet pipe and an water inlet pipe which are positioned outside the desulfurizing tower and penetrate into the gun barrel.
When the device is used, the air inlet pipe and the water inlet pipe respectively send compressed air and water to the nozzle, the water collides with the compressed air to realize atomization, the liquid-gas ratio is adjusted by adjusting the pressure of the water and the compressed air, the spraying speed and particle size are adjusted, the stability of the atomized particle size is ensured, and therefore the device meets the requirements of adjusting the flue gas quantity and the flue gas temperature, ensures the reaction temperature and ensures the desulfurization efficiency.
Preferably, be equipped with annular trachea and annular water pipe in the nozzle, annular trachea is located between annular water pipe and the nozzle inner wall, annular water pipe and inlet tube intercommunication, annular trachea and outlet pipe intercommunication still are equipped with in the nozzle along the radial extension of nozzle and along a plurality of hybrid tubes that circumference evenly arranged, the hybrid tube both ends are sealed, the inner chamber of hybrid tube through first connecting pipe and second connecting pipe respectively with annular trachea and annular water pipe intercommunication, the hybrid tube inner chamber still communicates there is the spray tube, the spray tube extends to the nozzle opening.
When the water-saving spraying nozzle is used, compressed air enters the mixing pipe from the annular air pipe, water enters the mixing pipe from the annular water pipe, and therefore collision between the water and the compressed air is achieved, atomization of the water is achieved, atomized water vapor is sprayed into the nozzle from the spraying pipe, and the atomized water vapor is sprayed out of the nozzle.
Preferably, an annular boss positioned between the annular air pipe and the annular water pipe is further arranged in the mixing pipe. According to the preferred scheme, the inner diameter of the mixing pipe is reduced through the arrangement of the lug boss, so that the flow velocity of compressed gas is increased, the flow velocity of the compressed gas is further increased, and the atomization effect of water is guaranteed after the compressed gas collides with the water.
Preferably, a grid is arranged in the second connecting pipe and comprises a plurality of criss-cross baffle plates. This preferred scheme passes through the setting of grid, makes water in the second connecting tube, and collision baffler, water are smashed by the striking, form the atomization once of water, guarantee the atomization effect of water.
Preferably, the gun barrel is sleeved with a sleeve positioned on the outer side of the gun barrel through a flange, and the sleeve is fixedly connected to the tower wall of the desulfurizing tower. This preferred scheme passes through flange and telescopic setting, and the barrel of being convenient for is fixed on the desulfurizing tower, has improved the joint strength before desulfurizing tower and the barrel.
Preferably, a support plate for supporting the gun barrel is fixedly connected to the sleeve, and the support plate extends to a position right below the nozzle. This preferred scheme passes through the setting of backup pad, plays the effect that supports the barrel, strengthens the bulk strength of barrel.
The utility model has the beneficial effects that: the air inlet pipe and the water inlet pipe respectively send compressed air and water to the nozzle, the water collides with the compressed air to realize atomization, the regulation of liquid-gas ratio is realized by regulating the pressure of the water and the compressed air, the regulation of spraying speed and particle size is realized, the stability of atomized particle size is ensured, the requirements of flue gas quantity and flue gas temperature regulation are met, the reaction temperature is ensured, and the desulfurization efficiency is ensured; the inner diameter of the mixing pipe is reduced through the arrangement of the lug boss, so that the flow velocity of compressed gas is increased, the flow velocity of the compressed gas is further improved, and the atomization effect of water is ensured after the compressed gas collides with the water; through the arrangement of the grating, water in the second connecting pipe collides with the barrier plate, and is crushed by impact, so that primary atomization of the water is formed, and the atomization effect of the water is ensured; through the setting of backup pad, play the effect of supporting the barrel, the bulk strength of reinforcing barrel.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic top view at the nozzle;
FIG. 3 is a schematic cross-sectional view taken at A-A in FIG. 2;
FIG. 4 is a schematic top view of a grid;
shown in the figure:
1. the device comprises a nozzle, 2, a gun tube, 3, an air inlet pipe, 4, an inlet pipe, 5, a flange, 6, a sleeve, 7, a support plate, 8, a desulfurizing tower, 9, an annular boss, 10, an annular air pipe, 11, an annular water pipe, 12, a mixing pipe, 13, a support block, 14, a spray pipe, 15 and a grid.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Referring to the attached drawings 1-4, the double-fluid atomization spray gun for the desulfurization tower comprises a gun barrel 2, a sleeve 6 is sleeved outside the gun barrel 2, the sleeve 6 is fixedly connected with the gun barrel 2 through a flange 5, the sleeve 6 penetrates through the tower wall of a desulfurization tower 8 and is welded and fixed on the tower wall, one end of the gun barrel 2 extends into the desulfurization tower 8, a nozzle 1 located in the desulfurization tower 8 is further arranged on the gun barrel 2, the nozzle 1 extends upwards along the axial direction of the desulfurization tower 8, the bottom end of the nozzle 1 is communicated with the gun barrel 2, an opening is formed in the top end of the nozzle 1, a supporting plate 7 supporting the gun barrel 2 is fixedly connected onto the sleeve 6, and the supporting plate 7 extends to the position right below the nozzle 1.
Be equipped with annular trachea 10 and annular water pipe 11 in the nozzle 1, annular trachea 10 is located between annular water pipe 11 and the 1 inner wall of nozzle, and annular water pipe 11 and inlet tube 4 intercommunication, annular trachea 10 and outlet pipe intercommunication still are equipped with a plurality of hybrid tubes 12 along the radial extension of nozzle 1 in the nozzle 1, and a plurality of hybrid tubes 12 evenly arrange along circumference, hybrid tube 12 both ends are sealed, and the one end and the 1 inner wall rigid coupling of nozzle of hybrid tube 12, hybrid tube 12 are located the top of annular water pipe 11 and annular water pipe 10, and the inner chamber of hybrid tube 12 passes through first connecting pipe and second connecting pipe respectively with annular trachea 10 and annular water pipe 11 intercommunication, and hybrid tube 12 inner chamber still communicates there is spray tube 14, and spray tube 14 extends to nozzle 1 opening, still is equipped with the annular boss 9 that is located between annular water pipe 10 and the annular water pipe 11 in the hybrid tube 12.
Be equipped with grid 15 in the second connecting pipe, grid 15 includes a plurality of vertically and horizontally staggered's baffler, is equipped with a plurality of supporting shoes 13 that support annular water pipe 11 and annular trachea 10 on the inner wall of nozzle 1, and a plurality of supporting shoes 13 evenly arrange along nozzle 1 circumference.
Desulfurizing tower 8 still is equipped with the inlet tube 4 and the intake pipe 3 that penetrate in barrel 2 outward, inlet tube 4 and annular water pipe 11 intercommunication, intake pipe 3 and annular trachea 10 intercommunication.
The material of the nozzle 1 is 316L stainless steel, so that the wear resistance of the nozzle 1 is enhanced, the spraying effect is ensured, the equipment investment is reduced, the internal pressure of the nozzle 1 can be ensured to be higher than the internal pressure of the tower by a compressed air path in the annular air pipe 10, and the nozzle 1 is prevented from being blocked by dust in the tower.
When the utility model is used, the air inlet pipe 3 and the water inlet pipe 4 respectively send compressed air and water into the annular air pipe 10 and the annular water pipe 11, the compressed air in the annular air pipe 10 enters the mixing pipe 12, the flow rate is improved under the action of the boss, the compressed air with the improved flow rate reaches the connecting port of the second connecting pipe and the annular water pipe 11, at the moment, the water enters the second connecting pipe from the annular water pipe 11 and collides with the baffle plate, the water is collided and crushed to form primary atomization on the water, the water after the primary atomization is contacted with the compressed air and collides with the compressed air, so as to realize secondary atomization of the water, atomized water vapor is sprayed into the nozzle 1 from the spray pipe 14 and is sprayed out of the nozzle 1, the regulation of liquid-air ratio is realized by regulating the pressure of the water and the compressed air, the regulation of the spraying speed and the grain diameter is realized, and the stability of the atomized grain diameter is ensured, thereby meeting the requirements of adjusting the flue gas volume and the flue gas temperature, ensuring the reaction temperature and the desulfurization efficiency.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (6)
1. Two fluid atomization spray gun for desulfurizing tower, its characterized in that: including running through and barrel (2) of rigid coupling on desulfurizing tower (8) tower wall, with barrel (2) intercommunication and be located nozzle (1) of desulfurizing tower (8) to and be located outside desulfurizing tower (8) and penetrate intake pipe (3) and inlet tube (4) in barrel (2).
2. The two-fluid atomizing spray gun for a desulfurization tower according to claim 1, characterized in that: be equipped with annular trachea (10) and annular water pipe (11) in nozzle (1), annular trachea (10) are located between annular water pipe (11) and nozzle (1) inner wall, annular water pipe (11) and inlet tube (4) intercommunication, and annular trachea (10) and outlet pipe intercommunication still are equipped with in nozzle (1) along nozzle (1) radial extension and along a plurality of hybrid tube (12) that circumference evenly arranged, hybrid tube (12) both ends are sealed, the inner chamber of hybrid tube (12) through first connecting pipe and second connecting pipe respectively with annular trachea (10) and annular water pipe (11) intercommunication, hybrid tube (12) inner chamber still communicates there is spray tube (14), and spray tube (14) extend to nozzle (1) opening.
3. The two-fluid atomizing spray gun for a desulfurization tower according to claim 2, characterized in that: an annular boss (9) positioned between the annular air pipe (10) and the annular water pipe (11) is also arranged in the mixing pipe (12).
4. The two-fluid atomizing spray gun for a desulfurization tower according to claim 3, characterized in that: a grid (15) is arranged in the second connecting pipe, and the grid (15) comprises a plurality of criss-cross barrier plates.
5. The two-fluid atomizing spray gun for a desulfurization tower according to claim 1, characterized in that: barrel (2) have been cup jointed through flange (5) and are located sleeve (6) in the barrel (2) outside, sleeve (6) rigid coupling is on desulfurizing tower (8) tower wall.
6. The two-fluid atomizing spray gun for a desulfurization tower according to claim 5, characterized in that: the sleeve (6) is fixedly connected with a support plate (7) for supporting the gun barrel (2), and the support plate (7) extends to the position right below the nozzle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121763418.XU CN215655830U (en) | 2021-07-30 | 2021-07-30 | Double-fluid atomization spray gun for desulfurizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121763418.XU CN215655830U (en) | 2021-07-30 | 2021-07-30 | Double-fluid atomization spray gun for desulfurizing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215655830U true CN215655830U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121763418.XU Active CN215655830U (en) | 2021-07-30 | 2021-07-30 | Double-fluid atomization spray gun for desulfurizing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215655830U (en) |
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2021
- 2021-07-30 CN CN202121763418.XU patent/CN215655830U/en active Active
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