CN214554527U - Double-jet self-destruction vortex nozzle - Google Patents
Double-jet self-destruction vortex nozzle Download PDFInfo
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- CN214554527U CN214554527U CN202120095684.3U CN202120095684U CN214554527U CN 214554527 U CN214554527 U CN 214554527U CN 202120095684 U CN202120095684 U CN 202120095684U CN 214554527 U CN214554527 U CN 214554527U
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Abstract
The utility model relates to a two jet flows are from destroying vortex nozzle, including the nozzle body, the nozzle body includes fixed connection's sprue and whirl chamber, and the bottom in whirl chamber is seted up and is formed umbrella-type fluidic main spout, and the nozzle body still independently is provided with other runner in the sprue, and other runner sets up the other spout that can form fan-shaped fluidic at the outer wall in whirl chamber, and umbrella-type efflux and fan-shaped efflux have the coincidence in the one side that is close to the column wall, and other spout and other runner are through setting up the passageway intercommunication in whirl chamber wall. The utility model discloses both reduced the washing away of atomizing efflux to the tower wall and reached the purpose that prevents the flue gas and leak at the tower wall, utilized umbrella-type efflux and the mutual striking of fan-shaped efflux to form bigger atomizing area of coverage, reduced the flue gas along tower wall escape probability.
Description
Technical Field
The utility model relates to an environment-friendly device technical field, concretely relates to two jet flows are from destroying vortex nozzle.
Background
At present, the desulfurization, denitration and dust removal treatment projects of the coal-fired small and medium-sized boiler equipment in China are basically constructed and run normally. The domestic flue gas treatment process mainly comprises an SNCR process, an SCR process and an SNCR + SCR combined process, and a nozzle can not be used in each process route.
The existing nozzle is arranged on the wall of the tower according to the process flow, because the environmental conditions of the denitration nozzle arranged in the wall of the tower are very severe, the liquid in the middle of the nozzle arranged and the wall of the tower is atomized after being sprayed out, and the effective components in the liquid and the flue gas are subjected to chemical reaction in the wall of the tower. In the process, the flue gas often leaks through the tower wall, the spray head mounting position is required to be close to the tower wall direction, the spray area is enabled to cover the spray head and the tower wall, and gaps between the spray head and the spray head are avoided, but after the spray head sprays towards the tower wall or towards the tower wall direction, the umbrella-shaped jet flow scours the anticorrosive coating and the tower wall by one side of the tower wall, the anticorrosive coating falls off due to long-term scouring wear, the tower wall is corroded, the furnace shutdown maintenance is often required, and the maintenance cost is very high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art not enough, the utility model provides a two jet flows are from destroying vortex nozzle, destroy to the some that will reach the umbrella-type efflux end of anticorrosive tower wall through fan-shaped efflux, reach the purpose that reduces umbrella-type efflux and erode wearing and tearing to anticorrosive tower wall.
The utility model discloses a realize through following technical scheme:
the utility model provides a two efflux are from destroying vortex nozzle, including the nozzle body, the nozzle body includes fixed connection's sprue and whirl chamber, the bottom in whirl chamber is seted up and is formed umbrella-type fluidic main spout, the nozzle body still independently is provided with other runner in the sprue, other runner sets up the other spout that can form fan-shaped fluidic at the outer wall in whirl chamber, umbrella-type efflux and fan-shaped efflux have the coincidence portion in the one side that is close to the tower wall, other spout and other runner are through setting up the passageway intercommunication in whirl chamber wall.
According to the scheme, the side flow channel and the side jet nozzle are arranged, the fan-shaped jet flow sprayed out from the side jet nozzle and the umbrella-shaped jet flow sprayed out from the main jet nozzle are mutually damaged, the angle of the fan-shaped jet flow is smaller than that of the umbrella-shaped jet flow, the fan-shaped jet flow impacts the tail end of the umbrella-shaped jet flow at a certain distance, after two jet flows with the same pressure are mutually damaged, the destructive force is counteracted, and the part of the tail end of the umbrella-shaped jet flow which is about to reach the wall of the anti-corrosion tower is mutually damaged, so that the aim of reducing the erosion and abrasion of the umbrella-shaped jet flow on the wall of the anti-corrosion tower is fulfilled.
Furthermore, the edge of the swirl cavity at the main nozzle is symmetrically provided with two arc-shaped swirl parts which are integrally formed with the swirl cavity, and the two arc-shaped swirl parts are in a flaring shape at the bottom of the swirl cavity.
The swirl cavity is provided with swirl parts at the edge of the main nozzle, the two swirl parts form a flaring-shaped nozzle, and umbrella-shaped jet flow can be formed through the nozzle.
Furthermore, the side nozzle is a fan-shaped gap nozzle.
The side nozzle is a fan-shaped gap nozzle with a certain angle, and can form fan-shaped jet flow when liquid in the side flow channel passes through.
Further, the angle of the fan-shaped jet is smaller than that of the umbrella-shaped jet.
The angle of the fan-shaped jet flow is smaller than that of the umbrella-shaped jet flow, so that the fan-shaped jet flow can completely damage the edge of one side of the umbrella-shaped jet flow, which faces the tower wall, and further the umbrella-shaped jet flow can be ensured not to contact with the tower wall and scour an anticorrosive coating of the tower wall.
Furthermore, the cross section of the vortex cavity is circular, and the cross section of the channel is arc-shaped matched with the circular cross section.
The cross section of the swirl cavity is circular and is used for swirling the liquid in the main flow channel so as to facilitate jet flow, the side nozzles and the side flow channel are communicated through arc-shaped channels, and the arc-shaped channels can also swirl the liquid in the side flow channel so as to enable the liquid to be jetted out from the side nozzles.
The utility model has the advantages that:
the utility model overcomes the problem that the traditional nozzle leads to scouring tower wall and flue gas to escape along the tower wall because the angle is difficult to adjust, in order to prevent the flue gas from escaping along the tower wall, need nozzle blowout direction to adjust to the tower wall, scour tower wall easily like this, in order to avoid scouring tower wall need the nozzle to adjust towards the tower wall inboard, the flue gas escapes from the tower wall easily like this, in order to solve a pair of contradiction, the fan-shaped efflux of other nozzle spun for the self-destruction nozzle of two jet-streams destroys the main nozzle and destroys a part of umbrella-shaped efflux that is close to the tower wall side, the impact of jet-streams is subdued in mutual collision, two efflux of the same pressure destroy each other after destroying, destructive power is offset, form bigger atomizing area in two efflux collision departments, spout atomizing reductant atomizing area increase, cover the flue gas circulation cross-section completely, not only reduced the scouring of atomizing efflux to the tower wall but also reached the purpose of preventing the flue gas from leaking at the tower wall, and a larger atomization coverage area is formed due to mutual collision, so that the escape probability of the flue gas along the tower wall is reduced.
Drawings
Fig. 1 is a schematic view of the installation of the present invention;
fig. 2 is a schematic diagram of the position relationship between the middle umbrella-shaped jet and the fan-shaped jet of the present invention.
Shown in the figure:
1. the nozzle comprises a nozzle body, 2, a main flow channel, 3, a cyclone cavity, 4, a main nozzle, 5, a side flow channel, 6, a channel, 7, a side nozzle, 8, an arc cyclone part, 9, umbrella-shaped jet flow, 10, fan-shaped jet flow, 11, a tower wall, 12 and a jet flow superposition part.
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.
The utility model provides a two efflux are from destroying vortex nozzle, includes nozzle body 1, and nozzle body 1 includes fixed connection's sprue 2 and whirl chamber 3, and the bottom in whirl chamber 3 is seted up and is formed the main jet 4 of umbrella-type efflux 9, and the cross-section in whirl chamber 3 is circular. The edge symmetry of whirl chamber 3 at main mouth 4 is provided with two arc whirl portions 8 with whirl chamber 3 integrated into one piece, and two arc whirl portions 8 are flaring form in whirl chamber 3 bottom.
The nozzle body 1 is also provided with a bypass channel 5 in the main channel 2 independently, the bypass channel 5 is provided with a bypass nozzle 7 capable of forming fan-shaped jet flow 10 on the outer wall of the cyclone cavity 3, and the bypass nozzle 7 is a fan-shaped gap nozzle. The pileated jet 9 and the fan jet 10 have an overlap 12 on the side close to the tower wall, as shown in fig. 1, the angle alpha of the fan jet 9 being smaller than the angle beta of the pileated jet 10. The side nozzle 7 is communicated with the side flow channel 5 through a channel 6 arranged in the wall of the cyclone cavity 3, and the section of the channel 6 is an arc matched with the circular section of the cyclone cavity 3.
The utility model discloses design two runners in a shower nozzle, under the condition that does not influence 2 inner chamber flows of sprue, velocity of flow, direction, increase an independent bypass 5. The side nozzles 7 are distributed on the periphery of the main nozzle 4, the stock solution enters the main runner 2 and leads to the main nozzle 4 to spray umbrella-shaped jet flow 9, the stock solution enters the side runner 5 and leads to the side nozzles 7 to spray fan-shaped jet flow 10, the position of the fan-shaped jet flow 10 is arranged at the upper end of the spray head body 1, the fan-shaped jet flow 10 is close to the tower wall 11 of the tower wall during installation, the installation is carried out according to a standard distance, and the installation and debugging are easy.
As shown in fig. 1 and 2, the double-jet self-destruction vortex nozzle is installed on the inner side of a tower wall 11 and keeps a certain distance with the tower wall 11, the stock solution enters a vortex chamber 3 from a main flow passage 2, an umbrella-shaped jet 9 is jetted from a main nozzle 4, the stock solution enters a side nozzle 7 from a side flow passage 5 through a passage 6 and is jetted to form a fan-shaped jet 10, and the umbrella-shaped jet 9 and the fan-shaped jet 10 with different angles collide with each other at a superposition part 12 at a certain distance from the tower wall 11 to form a collision area (namely, a superposition part 12). After two jets with the same pressure are mutually damaged, the destructive power is reduced to form a larger atomization area, a part of the tail end of the umbrella-shaped jet 9 which is about to reach the tower wall 11 is mutually damaged, so that the aim of reducing the erosion and abrasion of the umbrella-shaped jet 9 to an anticorrosive coating on the tower wall 11 is fulfilled, a larger atomization coverage area is formed due to mutual impact, and the probability of flue gas escaping along the tower wall is avoided.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides a two efflux are from destroying vortex nozzle, includes the nozzle body, and the nozzle body includes fixed connection's sprue and whirl chamber, and the bottom in whirl chamber is seted up and is formed umbrella fluidic main jet, its characterized in that: the nozzle body is also provided with a bypass channel in the main channel independently, the bypass channel is provided with a bypass nozzle capable of forming fan-shaped jet flow on the outer wall of the cyclone cavity, the umbrella-shaped jet flow and the fan-shaped jet flow have an overlapped part at one side close to the tower wall, and the bypass nozzle is communicated with the bypass channel through a channel arranged in the wall of the cyclone cavity.
2. The dual jet self-destructing swirl nozzle of claim 1, wherein: the edge symmetry of whirl chamber at main mouth is provided with two arc whirl portions with whirl chamber integrated into one piece, and two arc whirl portions are flaring form in whirl chamber bottom.
3. The dual jet self-destructing swirl nozzle of claim 1, wherein: the side nozzle is a fan-shaped gap nozzle.
4. The dual jet self-destructing swirl nozzle of claim 1, wherein: the angle of the fan-shaped jet is smaller than that of the umbrella-shaped jet.
5. The dual jet self-destructing swirl nozzle of claim 1, wherein: the cross section of the vortex cavity is circular, and the cross section of the channel is arc-shaped matched with the circular cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120095684.3U CN214554527U (en) | 2021-01-14 | 2021-01-14 | Double-jet self-destruction vortex nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120095684.3U CN214554527U (en) | 2021-01-14 | 2021-01-14 | Double-jet self-destruction vortex nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214554527U true CN214554527U (en) | 2021-11-02 |
Family
ID=78368703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120095684.3U Active CN214554527U (en) | 2021-01-14 | 2021-01-14 | Double-jet self-destruction vortex nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214554527U (en) |
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2021
- 2021-01-14 CN CN202120095684.3U patent/CN214554527U/en active Active
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