CN211725129U

CN211725129U - Air-assisted water atomization nozzle and spray cooling system

Info

Publication number: CN211725129U
Application number: CN201922225058.7U
Authority: CN
Inventors: 雷武
Original assignee: Zhangjiakou Maiwei Feed Development Co ltd
Current assignee: Zhangjiakou Maiwei Feed Development Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-10-23
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses an air-assisted water atomizer, include the atomizer that connects in air jacket one end, the injection water pipe stretches into the air jacket by the one end of keeping away from the atomizer, and with locate the jet nozzle intercommunication in the air jacket, the export of jet nozzle is located the atomizer, the axis coincidence of injection water pipe, air jacket, atomizer and jet nozzle, is equipped with the support rib in the one end department that the air jacket is close to the atomizer, and the jet nozzle is located on the support rib, the utility model also discloses a spray cooling system, including the atomizing unit who has a plurality of air-assisted water atomizer who lays on the spray cooling tower, atomizing unit communicates with air supply and aqua storage tank respectively, is equipped with tail gas import and tail gas export respectively in the lower part and the upper portion of spray cooling tower, is equipped with the condensate outlet on the spray cooling tower, and the condensate outlet is through pipeline and collecting vat intercommunication. The utility model has the characteristics of the cooling is effectual, effectively get rid of dust and harmful gas in the tail gas, be applicable to the purification of harmful substance in rotary kiln tail gas cooling and the tail gas.

Description

Air-assisted water atomization nozzle and spray cooling system

Technical Field

The utility model belongs to the technical field of the harmful substance absorption in rotary kiln tail gas cooling and the tail gas, specifically speaking relates to an air-assisted water atomization shower nozzle and mist cooling system.

Background

The temperature of the tail gas discharged from the rotary kiln is very high, and after the tail gas is dedusted by the dedusting system, the temperature is still between 300 ℃ and 350 ℃, SO that SO contained in the tail gas₂、NO_XThe absorption of such harmful gases is disadvantageous because the absorption process requires operation at a relatively low temperature, which is generally preferred below 100 ℃. And most of the existing spray heads are water spray heads, so that the requirement of large-amplitude heat exchange cannot be met, and the spraying range is influenced by airflow generated by rising of tail gas, so that the effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve the cooling effectual, and effectively get rid of dust and harmful gas's a gas helps formula water atomization shower nozzle in the tail gas.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides an air-assisted water atomizer, has the air jacket that compressed air connects including constructing on the outer wall, in air jacket one end can be dismantled and be connected with the atomizer, sprays the water pipe by keeping away from the air jacket is stretched into to the one end of atomizer, spray the water pipe and stretch into the one end of air jacket and locate the spray nozzle intercommunication in the air jacket, and the export of spray nozzle is located the atomizer, sprays the axis coincidence of water pipe, air jacket, atomizer and spray nozzle, in the inner construction that the one end department that the air jacket is close to the atomizer has the support rib, the spray nozzle sets firmly on supporting the rib.

Furthermore, the spraying water pipe is in threaded connection with one end, far away from the atomizing nozzle, of the air sleeve.

Further, the atomizing nozzle is in threaded connection with the air sleeve.

Furthermore, the corresponding end parts of the spray nozzle and the spray water pipe are in threaded connection, and a gasket is arranged at the joint of the spray nozzle and the spray water pipe in a cushioning mode.

The utility model also discloses a spray cooling system, including the spray cooling tower, laid atomizing unit on the spray cooling tower, atomizing unit has a plurality of foretell air-assisted water atomizer, atomizing unit communicates with air supply and aqua storage tank respectively, is constructed tail gas import and tail gas export respectively in the lower part and the upper portion of spray cooling tower, and the below that just is located the tail gas import on the spray cooling tower is constructed with the condensate outlet, the condensate outlet is through pipeline and collecting vat intercommunication.

Furthermore, the atomizing unit comprises a water distribution pipe and an air distribution pipe which are both annular, a water inlet joint and an air inlet joint are respectively constructed on the water distribution pipe and the air distribution pipe, a plurality of water outlet joints and a plurality of air outlet joints are respectively constructed on the water distribution pipe and the air distribution pipe, and the water injection pipe and the compressed air joint of each air-assisted water atomizing nozzle are respectively communicated with the corresponding water outlet joint and the corresponding air outlet joint.

Furthermore, the water outlet joint is communicated with the corresponding spraying water pipe through a connecting water pipe, the air outlet joint is communicated with the corresponding compressed air joint through a connecting air pipe, and a first control valve and a second control valve are respectively arranged on the connecting water pipe and the connecting air pipe.

The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in: the utility model discloses an air-assisted water atomization nozzle, wherein high-pressure water enters an injection water pipe, compressed air enters an air sleeve, the high-pressure water passes through an injection nozzle and is atomized to enter an atomization nozzle, the compressed air simultaneously enters the atomization nozzle, atomized water mist is further atomized by the compressed air and is accelerated by the compressed air to be sprayed in a structure to be cooled; therefore, the influence of factors such as air flow, internal shape and the like in the structure to be cooled on the cooling effect is avoided; the utility model also discloses a spray cooling system, at the spray cooling tower, concrete mode of setting has laid the atomizing unit that has a plurality of air-assisted water atomizer on the spray cooling tower, the last air-assisted water atomizer spun atomized liquid of installation of atomizing unit has higher downward speed like this, the tail gas that has certain rising speed in the spray cooling tower is strikeed by atomized liquid, and the violent contact, make the two fully react, effectively avoid atomized liquid initial velocity lower and less with the range of melting of tail gas, or under the exhaust effect, the reaction zone can only be near the top of the tower, make the cooling effect of tail gas reduce by a wide margin, and the phenomenon that can't fully get rid of dust and harmful gas in the tail gas takes place.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a sectional view of an axial structure of an air-assisted water atomizer according to an embodiment of the present invention;

FIG. 2 is a process flow diagram of a spray cooling system according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an atomizing unit according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 from another angle;

fig. 5 is a schematic view of a partial structure of an atomizing unit according to an embodiment of the present invention.

Labeling components: 1-an atomization cooling tower, 2-an atomization unit, 201-a water distribution pipe, 202-a water inlet joint, 203-a gas distribution pipe, 204-a gas inlet joint, 205-an air-assisted water atomization nozzle, 2051-an air sleeve, 2052-a compressed air joint, 2053-a spray water pipe, 2054-a spray nozzle, 2055-an atomization nozzle, 2056-a gasket, 2057-a support rib, 206-a connection water pipe, 207-a connection air pipe, 208-a first control valve, 209-a second control valve, 3-a water storage tank, 4-a submersible pump and 5-a collection tank.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.

Embodiment 1 an auxiliary water atomizer

The embodiment discloses an air-assisted water atomizer 205, which comprises an air jacket 2051, an atomizer 2055, a spray water pipe 2053 and a spray nozzle 2054, as shown in fig. 1. Wherein, the welding has compressed air to connect 2052 on the outer wall of air jacket 2051 for with the interface connection of air supply, the air supply is mostly air bottle, compressor etc. and spray water pipe 2053 stretches into air jacket 2051 by the one end of keeping away from atomizer 2055, and the one end that spray water pipe 2053 stretches into air jacket 2051 communicates with spray nozzle 2054, and spray nozzle 2054 sets up in air jacket 2051, and the setting mode specifically is: a support rib 2057 is configured inside the air jacket 2051 at an end near the atomizing nozzle 2055, the jet nozzle 2054 is mounted on the support rib 2057, and an outlet of the jet nozzle 2054 is located inside the atomizing nozzle 2055. The axes of the spray water pipe 2053, the air jacket 2051, the atomizing nozzle 2055, and the spray nozzle 2054 coincide.

In order to facilitate the disassembly and the replacement of the components, the spray water pipe 2053 is in threaded connection with one end of the air sleeve 2051 far away from the atomizing nozzle 2055, and the atomizing nozzle 2055 abuts against the support rib 2057. The atomizing nozzle 2055 is in threaded connection with the air sleeve 2051; the spray nozzle 2054 is screwed to the corresponding end of the spray water pipe 2053, and a gasket 2056 is fitted at the joint of the two.

The working principle of the embodiment is as follows:

high-pressure water enters the spraying water pipe 2053, compressed air enters the air sleeve 2051, the high-pressure water passes through the spraying nozzle 2054 and is atomized and enters the atomizing nozzle 2055, the compressed air simultaneously enters the atomizing nozzle 2055, the atomized water mist is further atomized through the compressed air, is accelerated through the compressed air and is sprayed into a structure to be cooled; therefore, the influence of factors such as air flow, internal shape and the like in the structure to be cooled on the cooling effect is avoided.

Embodiment 2 a spray cooling system

The embodiment discloses a spray cooling system, as shown in fig. 2, which includes a spray cooling tower, an atomizing unit 2, an air source, a water storage tank 3 and a collecting tank 5. Wherein, atomizing unit 2 lays at the top of spray cooling tower, and atomizing unit 2 has a plurality of air-assisted water atomizer 205, atomizing unit 2 communicates with air supply and aqua storage tank 3 respectively, air supply and aqua storage tank 3 provide compressed air and high-pressure washing water respectively for each air-assisted water atomizer 205, lower part and upper portion at spray cooling tower are constructed respectively and are had tail gas import and tail gas export, the below that just is located the tail gas import on spray cooling tower is constructed and is had the condensate outlet, the condensate outlet is through pipeline and collecting vat 5 intercommunication. The working principle and the advantages of the embodiment are as follows: tail gas at the temperature of about 300-; the washing water after the reaction is condensed and falls back to the bottom of the atomization cooling tower 1 to form acidic condensed water, the acidic condensed water enters the collecting tank 5 through a condensed water outlet, and the acidic condensed water collected in the collecting tank 5 enters a tail gas removal washing system. Because atomizing unit 2 has a plurality of air-assisted water atomizer 205, the last air-assisted water atomizer 205 spun atomized liquid of installing of atomizing unit 2 has higher downward speed like this, the tail gas that has certain rising speed in the spray cooling tower is strikeed by atomized liquid, and violent the contact, make the two fully react, and the range of melting of atomized liquid and tail gas is great, the reaction zone forms in the great region below the top of the tower promptly, make the cooling effect of tail gas improve by a wide margin, and get rid of dust and harmful gas in the tail gas fully.

As shown in fig. 3-5, the atomization unit 2 of this embodiment preferably includes a water distribution pipe 201 and an air distribution pipe 203, both of which are annular, a water inlet connector 202 and an air inlet connector 204 are welded to the water distribution pipe 201 and the air distribution pipe 203, the water inlet connector 202 is connected to an outlet of the submersible pump 4 installed in the water storage tank 3 through a pipeline, and the air inlet connector 204 is connected to an outlet of the air source through a pipeline. A plurality of water outlet connectors are uniformly welded on the water distribution pipe 201, the air outlet connectors with the same number as the water outlet connectors are uniformly welded on the air distribution pipe 203, and the spray water pipe 2053 and the compressed air connector 2052 of each air-assisted water atomization nozzle 205 are respectively communicated with the corresponding water outlet connector and air outlet connector.

In order to control the pressure of air pressure and water pressure or open (close) part of the air-assisted water atomizer 205 to adapt to the temperature reduction of different tail gas volumes, the water outlet connector is communicated with the corresponding spray water pipe 2053 through the connecting water pipe 206, the air outlet connector is communicated with the corresponding compressed air connector 2052 through the connecting air pipe 207, and the connecting water pipe 206 and the connecting air pipe 207 are respectively provided with the first control valve 208 and the second control valve 209. The atomization and jet flow capacity of the atomization unit 2 are realized by adjusting the opening degrees of the first control valve 208 and the second control valve 209, and the atomization device is further suitable for cooling and purification reactions of different tail gas quantities.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.

Claims

1. The utility model provides an air-assisted water atomizer which characterized in that: construct the air jacket that has compressed air to connect on the outer wall, in air jacket one end can be dismantled and be connected with the atomizing nozzle, spray the water pipe by keeping away from the one end of atomizing nozzle stretches into the air jacket, spray the water pipe and stretch into the one end of air jacket and locate the spray nozzle intercommunication in the air jacket, and the export of spray nozzle is located the atomizing nozzle, spray the axis coincidence of water pipe, air jacket, atomizing nozzle and spray nozzle, in the inner construction that the air jacket is close to the one end department of atomizing nozzle has the support rib, the spray nozzle sets firmly on supporting the rib.

2. An air-assisted water atomizer according to claim 1, wherein: the spraying water pipe is in threaded connection with one end, far away from the atomizing nozzle, of the air sleeve.

3. An air-assisted water atomizer according to claim 1, wherein: the atomizing nozzle is in threaded connection with the air sleeve.

4. An air-assisted water atomizer according to claim 1, wherein: the corresponding end parts of the spray nozzle and the spray water pipe are in threaded connection, and a gasket is arranged at the joint of the spray nozzle and the spray water pipe in a cushioning mode.

5. A spray cooling system which characterized in that: the gas-assisted water atomization device comprises a spray cooling tower, wherein an atomization unit is arranged on the spray cooling tower, the atomization unit is provided with a plurality of gas-assisted water atomization nozzles as defined in any one of claims 1-4, the atomization unit is respectively communicated with a gas source and a water storage tank, a tail gas inlet and a tail gas outlet are respectively formed in the lower part and the upper part of the spray cooling tower, a condensed water outlet is formed in the spray cooling tower and below the tail gas inlet, and the condensed water outlet is communicated with a collecting tank through a pipeline.

6. The spray cooling system of claim 5, wherein: the atomization unit comprises a water distribution pipe and an air distribution pipe which are annular, a water inlet joint and an air inlet joint are respectively constructed on the water distribution pipe and the air distribution pipe, a plurality of water outlet joints and a plurality of air outlet joints are respectively constructed on the water distribution pipe and the air distribution pipe, and a spray water pipe and a compressed air joint of each air-assisted water atomization nozzle are respectively communicated with the corresponding water outlet joint and the corresponding air outlet joint.

7. The spray cooling system of claim 6, wherein: the water outlet connector is communicated with the corresponding spraying water pipe through a connecting water pipe, the air outlet connector is communicated with the corresponding compressed air connector through a connecting air pipe, and a first control valve and a second control valve are respectively arranged on the connecting water pipe and the connecting air pipe.