CN211463565U - Gas-powder mixed composite nozzle - Google Patents
Gas-powder mixed composite nozzle Download PDFInfo
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- CN211463565U CN211463565U CN201921963414.9U CN201921963414U CN211463565U CN 211463565 U CN211463565 U CN 211463565U CN 201921963414 U CN201921963414 U CN 201921963414U CN 211463565 U CN211463565 U CN 211463565U
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Abstract
The utility model provides a compound nozzle that gas powder mixes, include: a composite nozzle housing provided with a powder suction chamber and a powder suction port; an air intake side high-speed nozzle; the side end cover of the air inlet comprises an air inlet short pipe; the gas-powder mixing terminal is provided with a gas-powder mixing chamber; and a high-speed nozzle on the air injection side. The invention is an assembly structure, which can be disassembled and cleaned or replaced; all the parts are installed in series along the central axis of the composite nozzle shell, and the central axes of the air inlet side end cover, the air inlet side high-speed nozzle, the air-powder mixing terminal and the air injection side high-speed nozzle are coincided. The invention can fully and effectively mix the powdery particles with the compressed gas and eject the mixture at the ultrahigh speed, solves the problem that the gas powder cannot be effectively mixed or the gas powder blocks a pipe in pipeline transportation, and can be used for mixing the compressed air with the carbon powder with the spherical equivalent diameter of 30-150 mu m and ejecting the mixture at the ultrahigh speed to produce the porous finished slag particles when the high-temperature liquid steel slag is subjected to resource treatment and heat energy recycling.
Description
Technical Field
The utility model relates to a carry out the compound nozzle that the hypervelocity sprayed after fully effectively mixing compressed air and powdered granule, especially relate to and carry out the hypervelocity after carrying out fully effectively mixing spherical equivalent diameter for 30 mu m ~ 150 mu m's carbon dust and compressed air at the liquid slag resourceful treatment of high temperature and heat recovery and utilization in-process and spray to produce the compound high-speed nozzle that a gas powder mixes of porous finished product sediment grain that is fit for special fields such as waste water treatment.
Background
In the process of recycling high-temperature liquid steel slag and recycling heat energy, the high-temperature liquid steel slag poured out from the launder meets high-speed air flow sprayed by a nozzle arranged below the launder in the free falling process, the high-temperature liquid steel slag is immediately granulated into liquid drops with the particle size of 0-5 mm by the high-speed air flow, and black, smooth and clean spherical finished slag particles on the surface can be obtained after cooling. This is a result of the minimal surface tension of the slag in the droplet state.
However, in a special field such as wastewater treatment, it is necessary to increase the surface area of slag particles as much as possible, because the larger the specific surface area is, the higher the treatment efficiency is. One effective way to increase the surface area of the slag particles is to provide a porous surface for the slag particles. For this reason, it is possible to effectively inject carbon powder having a spherical equivalent diameter of 30 μm or more onto the surface of slag particles granulated by high-speed air flow together with gas, the injected carbon powder remaining on the surface of slag droplets and being oxidized and removed in the subsequent cooling process of the slag droplets to form air holes. The finished slag particles produced in this way are stable particles which do not produce hydration or pulverization, and can be used as building materials, such as sand, carriers, cement, concrete and the like, wastewater treatment materials, iron sources or substitutes for free calcium oxide in the iron-making process, slag-making agents and the like. If the carbon powder is too large in size, it may result in insufficient increase in the surface area of the final slag particles, and therefore, the carbon powder is preferably 150 μm or less in size.
At present, in order to spray carbon powder with spherical equivalent diameter of 30-150 μm to the surface of slag particles along with gas, one method is to add carbon powder into an air inlet pipeline of a high-speed nozzle, and the carbon powder and compressed air are sprayed out after being conveyed to the high-speed nozzle through a pipeline, so that the carbon powder can be effectively sprayed to the surface of the slag particles, but the phenomenon that the pipeline is blocked by the carbon powder is easy to occur in the conveying process of the carbon powder and the compressed air in a pipeline system, the cleaning is difficult, and the production efficiency and the effect are not ideal; the other method is to release carbon powder at a compressed air outlet of the high-speed nozzle, so that the carbon powder is sprayed to the surface of slag charge by high-speed air sprayed from the nozzle, and although the problem that the carbon powder blocks a pipeline is solved, the carbon powder is extremely small in granularity and light in specific gravity, the sprayed high-speed air easily blows away the carbon powder in a random state, the carbon powder cannot be effectively sprayed to the surface of slag particles, and the carbon powder is large in waste, serious in dust pollution and has detonation safety hazards.
SUMMERY OF THE UTILITY MODEL
To solve the above-mentioned disadvantages of the prior art, we have invented a gas-powder mixing composite nozzle, comprising: the composite nozzle shell 4 is a hollow cylinder with a variable cross section, a cylindrical cavity is arranged in the shell and serves as a powder suction chamber 5, and two rows of inverted cone-shaped powder suction ports 6 are distributed along the circumference of the upper half part of the powder suction chamber 5; one end of the air inlet side of the shell is provided with an air inlet side high-speed nozzle 3, and a nozzle extends into the powder suction chamber 5 for a certain distance; the air inlet side end cover 2 compresses, fixes and seals the air inlet side high-speed nozzle 3 on the composite nozzle shell 4 through a fastening bolt 10 and a sealing gasket 11, and an air inlet short pipe 1 is welded on the air inlet side end cover 2; the inside of the gas-powder mixing terminal 7 is a horn-shaped cavity to form a gas-powder mixing chamber 8, the gas-powder mixing terminal 7 is screwed into the composite nozzle shell 4 through threads to enable the gas-powder mixing chamber 8 to be communicated with the powder suction chamber 5, and a sealing gasket 11 is arranged on the combination surface of the gas-powder mixing terminal 7 and the composite nozzle shell 4 to seal with the outside; the high-speed nozzle 9 at the air injection side is connected with the air-powder mixing terminal 7 through a fastening bolt 10, so that the air inlet of the high-speed nozzle 9 at the air injection side is communicated with the outlet of the air-powder mixing chamber 8, and the combined surface of the air inlet and the air inlet is sealed with the outside through a sealing gasket 11; all the parts of the invention are installed in series along the central axis of the composite nozzle shell, namely the central axes of the composite air inlet end cover air inlet, the air inlet side high-speed nozzle, the powder suction chamber, the air-powder mixing chamber and the air injection side high-speed nozzle are coincided.
The utility model relates to a compound high-speed nozzle that gas powder mixes can be used to carry out abundant effective mixing and erupts with the hypervelocity with powdered granule and compressed gas, has solved the stifled pipe problem of gas powder mixture in the pipeline transportation process or the problem that gas powder can not effectively mix. That is, compressed air is introduced from the composite nozzle inlet side a through the inlet short pipe 1 welded to the inlet side head 2, and enters the powder suction chamber 5 after being accelerated by the inlet side high-speed nozzle 3, and the powder suction chamber 5 is made negative by the high-speed passing gas, and at this time, the powder on the composite nozzle powder suction side C is sucked through the reverse tapered powder suction hole 6 provided above the composite nozzle casing 4 and the powder suction chamber 5, and enters the gas-powder mixing terminal 7 along with the high-speed gas flow, and after the high-speed gas and the powder are sufficiently mixed in the gas-powder mixing chamber 8 of the gas-powder mixing terminal 7, the high-speed gas and the powder are accelerated again by the gas jet side high-speed nozzle 9, and are ejected from the composite nozzle gas jet side B.
The utility model relates to a gas-powder mixed composite high-speed nozzle, which ensures that the conveying stroke after the compressed air is mixed with the powdery particles is extremely short, and solves the problem that the pipeline is easily blocked by the powdery particles in the conveying process of a pipeline system along with the compressed air; because each part of the invention adopts a detachable assembly type structure, the parts are easier to detach, clean, maintain or replace, and the use cost is reduced.
Drawings
FIG. 1 is a schematic structural view of a composite nozzle for mixing gas and powder;
the composite nozzle comprises a composite nozzle air inlet side A, a composite nozzle air injection side B, a composite nozzle powder suction side C, an air inlet short pipe 1, an air inlet side end cover 2, an air inlet side high-speed nozzle 3, a composite nozzle shell 4, a powder suction chamber 5, a powder suction hole 6, an air-powder mixing terminal 7, an air-powder mixing chamber 8, an air injection side high-speed nozzle 9, a fastening bolt 10 and a sealing gasket 11.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
In the process of high-temperature liquid steel slag recycling treatment and heat energy recycling, carbon powder with the spherical equivalent diameter of 30-150 mu m needs to be fully and effectively mixed with compressed air and then sprayed, and carbon powder particles are sprayed to the surface of slag particles granulated by high-speed air flow, so that finished slag particles with porous surfaces are finally obtained. The gas-powder mixed composite nozzle can effectively and fully mix carbon powder with the spherical equivalent diameter of 30-150 mu m with compressed air and blow out the mixture at a super high speed, and the carbon powder is sprayed on the surface of slag particles granulated by high-speed air flow, so that the specific surface area of the finished slag particles is increased, and porous finished slag particles suitable for special fields of wastewater treatment and the like are produced.
Referring to fig. 1, the present invention provides a composite nozzle for mixing gas and powder, the nozzle includes: the composite nozzle shell 4 is a hollow cylinder with a variable cross section, a cylindrical cavity is arranged in the shell and serves as a powder suction chamber 5, and two rows of inverted cone-shaped powder suction ports 6 are distributed along the circumference of the upper half part of the powder suction chamber 5; one end of the air inlet side of the shell is provided with an air inlet side high-speed nozzle 3, and a nozzle extends into the powder suction chamber 5 for a certain distance; the air inlet side end cover 2 compresses, fixes and seals the air inlet side high-speed nozzle 3 on the composite nozzle shell 4 through a fastening bolt 10 and a sealing gasket 11, and an air inlet short pipe 1 is welded on the air inlet side end cover 2; the inside of the gas-powder mixing terminal 7 is a horn-shaped cavity to form a gas-powder mixing chamber 8, the gas-powder mixing terminal 7 is screwed into the composite nozzle shell 4 through threads to enable the gas-powder mixing chamber 8 to be communicated with the powder suction chamber 5, and a sealing gasket 11 is arranged on the combination surface of the gas-powder mixing terminal 7 and the composite nozzle shell 4 to seal with the outside; the high-speed nozzle 9 at the air injection side is connected with the air-powder mixing terminal 7 through a fastening bolt 10, so that the air inlet of the high-speed nozzle 9 at the air injection side is communicated with the outlet of the air-powder mixing chamber 8, and the combined surface of the air inlet and the air inlet is sealed with the outside through a sealing gasket 11; all the parts of the invention are installed in series along the central axis of the composite nozzle shell, namely the central axes of the composite air inlet end cover air inlet, the air inlet side high-speed nozzle, the powder suction chamber, the air-powder mixing chamber and the air injection side high-speed nozzle are coincided.
The utility model relates to a compound high-speed nozzle that gas powder mixes can be used to carry out abundant effective mixing and erupts with the hypervelocity with the carbon dust that the sphere equivalent diameter is 30 mu m ~ 150 mu m, has solved stifled pipe problem or the problem that compressed air and carbon dust can not effectively mix at the pipeline transportation in-process after compressed air mixes with the carbon dust. That is, compressed air is introduced from the composite nozzle inlet side a through the inlet short pipe 1 welded to the inlet side end cap 2, and enters the powder suction chamber 5 after being accelerated by the inlet side high-speed nozzle 3, and the powder suction chamber 5 is made to be a negative pressure by the gas passing at a high speed, and at this time, carbon powder having a spherical equivalent diameter of 30 μm to 150 μm on the composite nozzle powder suction side C is sucked through the reverse tapered powder suction hole 6 provided above the composite nozzle housing 4 and the powder suction chamber 5, enters the powder suction chamber 5, and enters the gas-powder mixing terminal 7 along with a high-speed gas flow, and the high-speed gas and the carbon powder having a spherical equivalent diameter of 30 μm to 150 μm are sufficiently mixed in the gas-powder mixing chamber 8 of the gas-powder mixing terminal 7, and are accelerated again by the gas-spraying side high-speed nozzle 9, and are ejected from the composite nozzle gas-spraying.
The utility model relates to a compound high-speed nozzle that gas powder mixes makes the transport stroke after compressed air mixes with the carbon dust that the sphere equivalent diameter is 30 mu m-150 mu m extremely short, has solved the carbon dust that the sphere equivalent diameter is 30 mu m-150 mu m and has easily taken place the problem that the pipeline is blocked by the carbon dust granule along with compressed air in the pipeline system carries out the conveying process; because each part of the invention adopts a detachable assembly type structure, the parts are easier to detach, clean, maintain or replace, and the use cost is reduced.
The present invention has been described in relation to the above embodiments, which are only examples for carrying out the invention. It must be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (4)
1. The utility model provides a compound nozzle that gas powder mixes which characterized in that: the composite type nozzle includes: the composite nozzle comprises a composite nozzle shell, a powder suction chamber is arranged in the shell, a powder suction inlet is distributed on the upper half part of the powder suction chamber, an air inlet side high-speed nozzle is installed at one end of an air inlet side of the composite nozzle shell, a nozzle extends into the powder suction chamber for a certain distance, an air inlet side end cover compresses and seals the air inlet side high-speed nozzle on the composite nozzle shell through a fastening bolt and a sealing gasket, an air inlet short pipe is welded on the air inlet side end cover, a horn-shaped cavity is formed in an air-powder mixing terminal to form an air-powder mixing chamber, the air-powder mixing terminal is screwed into the composite nozzle shell through threads to enable the air-powder mixing chamber to be communicated with the powder suction chamber, and a; the high-speed nozzle at the air injection side is connected with the air-powder mixing terminal through a fastening bolt, so that an air inlet of the high-speed nozzle at the air injection side is communicated with an outlet of the air-powder mixing chamber, and a combined surface of the air inlet and the outlet is sealed with the outside through a sealing gasket.
2. A composite nozzle for gas-powder mixing as defined in claim 1, wherein: the composite nozzle shell is a hollow cylinder with a variable cross section, a cylindrical cavity is arranged in the powder suction chamber shell, and inverted cone-shaped powder suction ports are distributed on the circumference of the upper half part of the powder suction chamber.
3. A composite nozzle for gas-powder mixing as defined in claim 1, wherein: the powder sucked by the powder suction chamber is carbon powder.
4. A composite nozzle for gas-powder mixing as claimed in claim 3, wherein: the equivalent diameter of the carbon powder is 30-150 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921963414.9U CN211463565U (en) | 2019-11-14 | 2019-11-14 | Gas-powder mixed composite nozzle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921963414.9U CN211463565U (en) | 2019-11-14 | 2019-11-14 | Gas-powder mixed composite nozzle |
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| CN211463565U true CN211463565U (en) | 2020-09-11 |
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| CN201921963414.9U Active CN211463565U (en) | 2019-11-14 | 2019-11-14 | Gas-powder mixed composite nozzle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665667A (en) * | 2019-11-14 | 2020-01-10 | 南京鹏昆环保科技有限公司 | Gas-powder mixed composite nozzle |
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- 2019-11-14 CN CN201921963414.9U patent/CN211463565U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665667A (en) * | 2019-11-14 | 2020-01-10 | 南京鹏昆环保科技有限公司 | Gas-powder mixed composite nozzle |
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