CN214486423U

CN214486423U - Air and oxygen mixer

Info

Publication number: CN214486423U
Application number: CN202120204922.XU
Authority: CN
Inventors: 陈文清
Original assignee: Qidong Chuangxin Metallurgical Machinery Co ltd
Current assignee: Qidong Chuangxin Metallurgical Machinery Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-10-26
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses an air oxygen blender, including barrel, gas storage chamber, reservoir, air inlet, oxygen inlet interface, honeycomb duct, logical groove, mixing unit, the slip post is worn to be equipped with in the smooth cooperation of barrel outer wall upper level, and the slip post is worn out barrel one end and is located the reservoir and vertical rigid coupling has the apron, and the apron is by its horizontal migration of elastic drive unit drive to it closes sealedly to make its oral area to the air inlet lid. The utility model discloses a set up gas storage chamber, gas receiver, oxygen is carried to the gas receiver in the back by conveying equipment, in the barrel is carried via the honeycomb duct again, and the mouth of pipe of honeycomb duct aims at the mixing unit, make oxygen mix in can directly getting into the mixing unit and with the air like this, improved the mixing efficiency of air and oxygen, when oxygen delivery pressure is unstable or the undersize, the elastic drive unit drive apron removes, makes the apron cover the air inlet and closes sealedly to the transport of disconnection oxygen.

Description

Air and oxygen mixer

Technical Field

The utility model relates to an air oxygen mixer technical field, concretely relates to air oxygen mixer.

Background

In the smelting process of the metallurgical industry, mixed gas for mixing air and oxygen according to a certain proportion needs to be provided, and in the process of mixing the air and the oxygen, an air-oxygen mixer needs to be used for mixing the air and the oxygen.

When the air oxygen mixer in the prior art mixes gas, the mixing efficiency is low, and in addition, when the pressure is unstable or the pressure is low during oxygen delivery, the delivery of oxygen cannot be cut off in time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide an air oxygen mixer, it can realize solving prior art's problem to a certain extent at least.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

an air-oxygen mixer comprises a cylinder body with two open ends, wherein an air storage cavity formed by rotation around the axial direction of the cylinder body is arranged on the outer wall of the cylinder body, an air storage chamber is enclosed by the inner part of the air storage cavity and the outer wall of the cylinder body, an air inlet communicated with the inner part of the air storage cavity and in a through hole form is arranged on the outer wall of the air storage cavity, an oxygen inlet interface communicated with the air inlet is also arranged on the outer wall of the air storage cavity, a plurality of flow guide pipes with downward pipe orifices are arranged on the inner wall of the cylinder body, a plurality of through grooves communicated with the flow guide pipes correspondingly are also arranged on the inner wall of the cylinder body, the through grooves are communicated with the inner part of the air storage chamber, a mixing unit used for turbulent flow of air and oxygen is arranged at one end of the cylinder body corresponding to the pipe orifices, a sliding column is arranged on the outer wall of the cylinder body in a horizontal sliding fit manner, one end of the sliding column penetrating through the cylinder body is arranged in the air storage chamber, a cover plate is vertically and fixedly connected with the cover plate, and is driven to move horizontally by an elastic driving unit, and the mouth part of the air inlet is covered and sealed.

As a further optimization of the technical scheme, a plurality of guide pipes are arranged in an array along the axial direction of the cylinder.

As a further optimization of the technical scheme, a sealing ring is arranged on the inner wall of the gas storage cavity, the sealing ring and the gas inlet are coaxially arranged, and when the cover plate abuts against the surface of the sealing ring, the oxygen inlet port is in a state of being separated from and communicated with the interior of the gas storage chamber.

As a further optimization of the above technical solution, the elastic driving unit includes a compression spring sleeved on the sliding column, two ends of the compression spring in the elastic direction elastically abut against the cover plate and the outer wall of the cylinder respectively, and one end of the sliding column penetrating into the cylinder is provided with a limit nut for limiting the movement of the cover plate.

As a further optimization of the technical scheme, a graphite bushing is embedded on the outer wall of the cylinder body, and the graphite bushing is sleeved on the sliding column in a sliding fit manner.

As a further optimization of the above technical solution, the mixing unit is composed of a plurality of spoilers having an approximately V-shaped outer contour.

The utility model has the advantages that: through setting up the gas storage chamber, oxygen is carried to the gas storage indoor back by conveying equipment, in the barrel is carried via the honeycomb duct again, and the mouth of pipe of honeycomb duct aims at the mixing unit, make oxygen can directly get into in the mixing unit and mix with the air like this, the mixing efficiency of air and oxygen has been improved, through setting up its horizontal migration of apron by the drive of elastic drive unit, when oxygen delivery pressure is unstable or undersize like this, atmospheric pressure is less than the effort of elastic drive unit to the apron, and then by the drive of elastic drive unit apron removal, it is sealed to make the apron cover the air inlet, thereby the transport of disconnection oxygen, through setting up the sealing washer, make the sealed effect of apron and air inlet better, through setting up the graphite bush, when making the sliding column slide on the barrel outer wall, reduce the wearing and tearing to the barrel outer wall.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an air-oxygen mixer according to the present invention;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

FIG. 3 is a schematic top view of the structure of FIG. 1;

FIG. 4 is a schematic bottom view of the structure of FIG. 1;

the reference numerals are explained below:

the device comprises a barrel 1, a flow guide pipe 2, a through groove 3, a gas storage cavity 4, a mixing unit 5, a cover plate 6, a gas inlet 7, an oxygen inlet port 8, a sealing ring 9, a gas storage chamber 10, a compression spring 11, a graphite bushing 12, a limiting nut 13 and a sliding column 14.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in figures 1-4, an air-oxygen mixer comprises a cylinder 1 with two open ends, wherein the cylinder 1 is provided with outward-turned protruding parts at two axial ends, the protruding parts are provided with a plurality of screw mounting holes, the cylinder 1 is mounted on an external pipeline by bolts penetrating through the bolt mounting holes, the outer wall of the cylinder 1 is provided with an air storage chamber 4 formed by self-rotation around the axial direction of the cylinder, the inside of the air storage chamber 4 and the outer wall of the cylinder 1 enclose an air storage chamber 10, the outer wall of the air storage chamber 4 is provided with an air inlet 7 communicated with the inside of the air storage chamber in a through hole manner, the outer wall of the air storage chamber 4 is also provided with an oxygen inlet connector 8 communicated with the air inlet 7, an external oxygen conveying device conveys oxygen with certain pressure into the oxygen inlet connector 8 through the pipeline and then enters the air storage chamber 10 for storage, the inner wall of the cylinder 1 is provided with a plurality of flow guide pipes 2 with downward pipe orifices, the inner wall of the cylinder 1 is also provided with a plurality of through grooves 3 correspondingly communicated with the flow guide pipes 2, the through groove 3 is communicated with the inside of the air storage chamber 10, oxygen in the air storage chamber 10 enters the barrel 1 through the through groove 3, a mixing unit 5 for turbulent flow of air and oxygen is installed at one end of the barrel 1 corresponding to the pipe orifice of the draft tube 2, the oxygen conveyed into the barrel 1 by the draft tube 2 is mixed with the air in the barrel 1 through the mixing unit 5, a sliding column 14 is horizontally and slidably arranged on the outer wall of the barrel 1, the sliding column 14 penetrates out of one end of the barrel 1 and is positioned in the air storage chamber 10 and vertically and fixedly connected with a cover plate 6, the cover plate 6 is driven to horizontally move by an elastic driving unit and covers and seals the opening part of the air inlet 7, the elastic acting force of the elastic driving unit on the cover plate 6 under a natural state is smaller than the oxygen conveying pressure of external oxygen conveying equipment, so that when the oxygen conveying equipment normally conveys oxygen, the pressure of the oxygen is larger than the elastic acting force of the elastic driving unit on the cover plate 6, and then drive apron 6 and remove towards the radial inboard direction of barrel 1 for air inlet 7 is uncovered, and then make oxygen get into the gas receiver 10 via oxygen inlet port 8 in, when oxygen conveying equipment's oxygen delivery pressure is less, the elastic force of elastic drive unit to apron 6 this moment is greater than the pressure that oxygen was carried, and then drive apron 6 and remove towards the radial outside direction of barrel 1, and close with the oral area lid of air inlet 7, seal air inlet 7, close outside air conveying equipment simultaneously.

In this embodiment, a plurality of honeycomb ducts 2 set up along 1 axial array of barrel, make honeycomb duct 2 carry the oxygen water conservancy diversion in the gas receiver 10 to barrel 1 in so evenly, prevent that the unable quick entering barrel 1 of oxygen in the gas receiver 10.

In this embodiment, be equipped with sealing washer 9 on the inner wall of gas storage chamber 4, sealing washer 9 and the coaxial setting of air inlet 7, when apron 6 offseted with the sealing washer 9 surface, made the inside intercommunication state that cuts off of oxygen inlet port 8 and gas receiver 10, sealing washer 9 can bond on barrel 1 inner wall through the mode of viscose, has increased the sealed of apron 6 with air inlet 7 through setting up sealing washer 9.

In this embodiment, the elastic drive unit includes the compression spring 11 that cup joints on sliding column 14, the elasticity direction both ends of compression spring 11 elastically support

apron

6 and 1 outer wall of barrel respectively, sliding column 14 wears to be equipped with and is used for carrying out spacing stop nut 13 to apron 6 removal in the barrel 1, support the holding power through compression spring 11 to the elasticity of apron 6 under natural state, make apron 6 cover the oral area of air inlet 7 and close and seal, compression spring 11's model is selected the type by technical personnel in the field through conventional means.

In this embodiment, inlay on the barrel 1 outer wall and be equipped with graphite bush 12, graphite bush 12 sliding fit suit is on slip post 14, and through setting up graphite bush 12, slip post 14 when sliding on graphite bush 12, avoids slip post 14 to produce mechanical wear to barrel 1, has reduced the wearing and tearing in the long-term use of barrel 1 like this, and then has promoted the life of barrel 1.

In the present embodiment, the mixing unit 5 is composed of a plurality of spoilers having a substantially V-shaped outer contour, and the air and the oxygen are disturbed by the plurality of spoilers so as to be mixed, and the air and the oxygen are mixed into a mixed gas and discharged from the mouth of the lower end of the cylinder 1.

The utility model discloses when using: air conveying equipment conveys air into the cylinder 1 from an upper end opening of the cylinder 1, meanwhile, oxygen conveying equipment conveys oxygen into an air storage chamber 10 through an oxygen inlet interface 8, under normal conditions, the oxygen conveying pressure of the oxygen conveying equipment is larger than the elastic propping force of a compression spring 11 to a cover plate 6, at the moment, the oxygen pushes the cover plate 6 to move towards the radial inner side direction of the cylinder 1, so that the oxygen enters the air storage chamber 10 from an air inlet 7, then enters a flow guide pipe 2 from a through groove 3, is conveyed to the lower end part of the cylinder 1 from a lower end pipe orifice of the flow guide pipe 2 and enters a mixing unit 5 together with the air, the air and the oxygen are mixed by the mixing unit 5, the mixed gas is discharged from the lower end pipe orifice of the cylinder 1, when the oxygen conveying pressure of the oxygen conveying equipment is too small, in order not to influence the mixing ratio of the air and the oxygen, at the moment, the oxygen with too small pressure cannot push the cover plate 6, compression spring 11 produces elasticity to apron 6 and is greater than oxygen delivery pressure for apron 6 moves towards the barrel 1 radial outside to close sealedly with sealing washer 9 surface lid, thereby makes air inlet 7 and the inside disconnection connected state of barrel 1, breaks off air conveying equipment in step, and then avoids oxygen pressure to get into in the barrel 1 when too little, and produces the influence to air and oxygen mixing ratio.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The air-oxygen mixer is characterized by comprising a cylinder body (1) with two ends both open, wherein a gas storage cavity (4) formed by rotating around the axial direction of the cylinder body (1) is formed in the outer wall of the cylinder body (1), a gas storage chamber (10) is formed by enclosing the inside of the gas storage cavity (4) and the outer wall of the cylinder body (1), a through hole type air inlet (7) communicated with the inside of the gas storage cavity is formed in the outer wall of the gas storage cavity (4), an oxygen inlet interface (8) communicated with the air inlet (7) is further arranged on the outer wall of the gas storage cavity, a plurality of guide pipes (2) with downward pipe orifices are arranged on the inner wall of the cylinder body (1), a plurality of through grooves (3) which are correspondingly communicated with the plurality of guide pipes (2) are further arranged on the inner wall of the cylinder body, the through grooves (3) are communicated with the inside of the gas storage chamber (10), and one end, corresponding to the pipe orifices of the cylinder body (1), which is used for air mixing, Oxygen carries out turbulent mixing unit (5), barrel (1) outer wall is improved level and is slided to join in marriage and wear to be equipped with slip post (14), slip post (14) are worn out barrel (1) one end and are located gas receiver (10) and vertical rigid coupling has apron (6), apron (6) are by its horizontal migration of elastic drive unit drive, and make it right the oral area of air inlet (7) covers to close sealedly.

2. An air-oxygen mixer according to claim 1, characterized in that a plurality of said flow-guide tubes (2) are arranged in an axial array along the cylinder (1).

3. The air-oxygen mixer as claimed in claim 1, wherein the inner wall of the gas storage chamber (4) is provided with a sealing ring (9), the sealing ring (9) and the gas inlet (7) are coaxially arranged, and when the cover plate (6) abuts against the surface of the sealing ring (9), the oxygen inlet port (8) and the gas storage chamber (10) are isolated from each other and communicated with each other.

4. The air-oxygen mixer according to claim 1, wherein the elastic driving unit comprises a compression spring (11) sleeved on a sliding column (14), two ends of the compression spring (11) in the elastic direction elastically abut against the cover plate (6) and the outer wall of the cylinder (1) respectively, and a limiting nut (13) used for limiting the movement of the cover plate (6) is arranged at one end of the sliding column (14) penetrating into the cylinder (1).

5. An air and oxygen mixer according to claim 4, wherein the outer wall of the cylinder (1) is embedded with a graphite bushing (12), and the graphite bushing (12) is slidably fitted on the sliding column (14).

6. An air-oxygen mixer according to claim 1, characterized in that the mixing unit (5) consists of a plurality of spoilers having a substantially V-shaped outer contour.