CN218202520U - Air supply device and kiln - Google Patents

Abstract

The disclosure provides an air supply device and a kiln, and relates to the technical field of glass production. Wherein, the gas supply unit includes: the device comprises a device body, a gas supply device and a gas distribution device, wherein the device body comprises a gas supply channel which penetrates through two ends of the device body; the outlet of the first gas supply pipeline is communicated with the inlet of the gas supply channel and is used for providing combustion-supporting gas; the second gas supply pipeline sequentially penetrates through the first gas supply pipeline and the gas supply channel to an outlet of the gas supply channel and is used for supplying gas fuel; wherein the inner diameter of the inlet of the first gas supply duct is greater than the inner diameter of the outlet of the first gas supply duct. According to the gas supply device provided by the disclosure, the inner diameter of the inlet of the first gas supply pipeline is larger than the inner diameter of the outlet of the first gas supply pipeline, the flow rate of gas is accelerated through the difference of the inner diameters, and the gas flow can blow off the devitrification material skin covering the gas outlet of the gas supply device, so that the problem that the devitrification material skin blocks the outlet of the gas supply device is solved, and the quality of flame is improved.

Description

Air supply device and kiln

Technical Field

The disclosure relates to the technical field of glass production, in particular to an air supply device and a kiln.

Background

Borosilicate glass is widely used, for example, medical borosilicate glass can be used for containing liquid medicine. The borosilicate glass can be prepared by a melting method, and production raw materials in a kiln are melted into molten glass at high temperature and then are subjected to processes such as molding and the like. In the raw material melting process, a burning gun can be used as a gas supply device to provide natural gas and oxygen for combustion in the kiln.

A burning rifle for kiln mainly includes the device body that has the air feed passageway, and two pipelines that are used for providing natural gas and oxygen respectively wear to locate in the air feed passageway, and on the pipeline that provides the natural gas was located to the pipeline cover that provides oxygen, oxygen and natural gas mix at the gas outlet of air feed passageway, provide required fuel of burning and combustion improver for the kiln is inside to burn at the gas outlet of air feed passageway.

In the process of raw material melting, because the temperature of raw material melting is high, the raw material volatilizes greatly, not only can consume a large amount of raw materials, reduce the quality of glass, the devitrification coating that volatilizees simultaneously and produce very easily covers on burning the rifle, not only corrodes burning the rifle material, shortens the life of burning the rifle, also blocks up burning the rifle gas outlet very easily, leads to the gas flow rate to slow down, influences the temperature, the luminance and the flame cover area of flame to influence the quality of heat radiation efficiency and glass raw and other materials founding.

Therefore, there is a need for a gas supply device that addresses at least the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

One technical problem to be solved by the present disclosure is: the problem that the quality of flame is affected due to slow gas flow rate caused by blockage of an outlet of a gas supply device by a devitrification skin generated by volatilization of raw materials in the melting process of the glass raw materials is solved.

In order to solve the above technical problem, an embodiment of the present disclosure provides an air supply device, including: the device body comprises an air supply channel which penetrates through two ends of the device body; the outlet of the first gas supply pipeline is communicated with the inlet of the gas supply channel and is used for providing combustion-supporting gas; the second gas supply pipeline sequentially penetrates through the first gas supply pipeline and the gas supply channel to the outlet of the gas supply channel and is used for supplying gas fuel; wherein the inner diameter of the inlet of the first gas supply duct is larger than the inner diameter of the outlet of the first gas supply duct.

In some embodiments, the first gas supply duct comprises a first duct section, a transition duct section, and a second duct section in sequential communication; the transition pipe section is conical, and the inner diameter of the first pipe section is larger than that of the second pipe section; the outlet of the second pipe section is communicated with the inlet of the gas supply channel through a connecting assembly; the inlet of the first pipe section is hermetically communicated with the second gas supply pipeline; the outer wall of the first pipe section is provided with an inlet of a first gas supply pipeline arranged along the radial direction and used for introducing combustion-supporting gas; the first pipe section is provided with a connecting hole at one end opposite to the outlet of the second pipe section, and the second gas supply pipeline extends into the first gas supply pipeline through the connecting hole.

In some embodiments, the connection assembly includes a first connection portion and a second connection portion, the second connection portion being sleeved on the second pipe section, the first connection portion being connected to an inlet of the gas supply passage of the apparatus body; the inner diameter of the gas supply channel is the same as that of the second pipe section, the first connecting part and the second connecting part are connected through a plurality of first connecting pieces, so that the gas supply channel is in close contact with the outlet of the second pipe section, and the gas supply channel is in sealing connection with the second pipe section through a sealing piece; wherein the first connecting piece is arranged parallel to the axial direction of the gas supply channel.

In some embodiments, the first connection portion includes a first connection unit and a second connection unit; one end of the first connecting unit and one end of the second connecting unit are oppositely attached to two sides of the second pipe section and are connected through a plurality of second connecting pieces; the other end of the first connecting unit and the other end of the second connecting unit are respectively connected with the device body; wherein the second connecting piece is arranged perpendicular to the axial direction of the gas supply channel.

In some embodiments, the device body is provided with a protruding part extending towards the first gas supply pipeline at the inlet of the gas supply channel, the outer wall of the protruding part is provided with a first clamping groove and a second clamping groove which are oppositely arranged along the radial direction of the gas supply channel, and the other end of the first connecting unit and the other end of the second connecting unit are respectively clamped in the first clamping groove and the second clamping groove; one end of the first connecting unit and one end of the second connecting unit are respectively provided with an arc-shaped part which is used for being attached to the second pipe section.

In some embodiments, the gas supply device further comprises a first flange and a second flange, the first flange is communicated with one end, away from the gas supply channel, of the first pipe section of the first gas supply pipeline, and the second flange is sleeved on the second gas supply pipeline; the first flange and the second flange are arranged oppositely and are connected in a sealing mode, and the second air supply pipeline sequentially penetrates through the second flange, the first flange and the first air supply pipeline to stretch into the air supply channel.

In some embodiments, the air supply device further comprises a third air supply pipeline, the third air supply pipeline is sleeved on the second air supply pipeline and sequentially penetrates through the first air supply pipeline and the air supply channel to the outlet of the air supply channel; the outlet of the third air supply pipeline, the outlet of the second air supply pipeline and the outlet of the air supply channel are mutually flush and concentrically arranged.

In some embodiments, the third gas supply pipeline comprises a third pipeline and a fourth pipeline section, the third pipeline section is sleeved on the second gas supply pipeline, one end of the third pipeline section is connected with the second gas supply pipeline in a sealing mode, and the other end of the third pipeline section is flush with the outlet of the second gas supply pipeline; the fourth pipe section is communicated with the pipe wall of the third pipe section outside the first gas supply pipeline; the inlet of the fourth pipe section and the inlet of the second gas supply pipeline are respectively communicated with the gas fuel pipeline; and a flow control valve is arranged on the fourth pipe section of the third gas supply pipeline.

In some embodiments, the gas supply device further includes a combustion-supporting gas pipeline, the combustion-supporting gas pipeline is respectively communicated with the inlet of the first gas supply pipeline and the combustion-supporting gas source, and the combustion-supporting gas pipeline is provided with a flow regulating device, a pressure regulating device, a flow monitoring device and a pressure monitoring device.

The embodiment of the present disclosure further provides a kiln, which includes the gas supply device; the kiln also comprises a kiln body; the number of the gas supply devices is at least one, and the at least one gas supply device penetrates through the furnace wall of the furnace body to the interior of the furnace body.

Through the technical scheme, the gas supply device provided by the embodiment of the disclosure supplies gas fuel through the second gas supply pipeline, supplies combustion-supporting gas through the first gas supply pipeline, and the second gas supply pipeline penetrates through the first gas supply pipeline, so that the combustion-supporting gas surrounds the gas fuel, thereby ensuring the mixing uniformity of the gas at the outlet and ensuring the coverage area of flame; the inner diameter of the inlet of the first gas supply pipeline is larger than that of the outlet of the first gas supply pipeline, the flow speed of combustion-supporting gas entering the gas supply channel is accelerated through the difference of the inner diameters of the pipelines, and the accelerated gas flow can blow off the devitrified skin covering the gas outlet of the gas supply device, so that the problem that the devitrified skin blocks the outlet of the gas supply device is solved; the utility model provides a gas supply arrangement can increase gas supply arrangement's life, keeps the required gas stream of burning unobstructed, but also can guarantee the quality of flame to improve the quality that heat radiation efficiency and glass raw and other materials founded.

The kiln provided by the disclosure has the same or similar technical effects as the gas supply device provided by the disclosure.

Drawings

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

Fig. 1 is a schematic structural diagram of an air supply device disclosed in an embodiment of the present disclosure;

fig. 2 is a schematic arrangement diagram of an air supply passage, a first air supply duct, a second air supply duct, and a third air supply duct in the air supply device disclosed in the embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a connection assembly in a gas supply device disclosed in an embodiment of the present disclosure;

fig. 4 is a side view of a first connection portion in a gas supply device disclosed in an embodiment of the present disclosure.

Description of reference numerals:

1. a device body; 2. a gas supply channel; 3. a first gas supply duct; 301. a first tube section; 302. a transition duct section; 303. a second tube section; 4. a second gas supply duct; 5. a connecting assembly; 51. a first connecting portion; 501. a first connecting unit; 502. a second connection unit; 52. a second connecting portion; 503. a first connection portion; 504. a first tube section; 53. a first connecting member; 54. a second connecting member; 55. a seal member; 6. a first flange; 7. a second flange; 8. a third gas supply duct; 801. a third tube section; 802. a fourth tube section; 803. a flow control valve; 9. a combustion supporting gas conduit; 10. a gas fuel conduit.

Detailed Description

Embodiments of the present disclosure are described in further detail below with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are included to illustrate the principles of the disclosure, but are not intended to limit the scope of the disclosure, which may be embodied in many different forms and not limited to the specific embodiments disclosed herein, but include all technical solutions falling within the scope of the claims.

These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.

It is noted that in the description of the present disclosure, unless otherwise indicated, "a plurality" means greater than or equal to two; the terms "upper," "lower," "left," "right," "inner," "outer," and the like, indicate an orientation or positional relationship merely to facilitate the description of the disclosure and to simplify the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the disclosure. When the absolute position of the object being described changes, then the relative positional relationship may also change accordingly.

Moreover, the use of "first," "second," and similar terms in this disclosure are not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. "vertical" is not strictly vertical but is within the tolerance of the error. "parallel" is not strictly parallel but is within the tolerance of the error. The word "comprising" or "comprises", and the like, means that the element preceding the word comprises the element listed after the word, and does not exclude the possibility that other elements may also be included.

It should also be noted that, in the description of the present disclosure, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present disclosure can be understood as appropriate to one of ordinary skill in the art. When a particular device is described as being between a first device and a second device, intervening devices may or may not be present between the particular device and the first device or the second device.

All terms used in the present disclosure have the same meaning as understood by one of ordinary skill in the art to which the present disclosure belongs, unless otherwise specifically defined. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

The production of borosilicate glass is carried out by a melting method, and usually a kiln is manufactured by refractory materials such as refractory bricks, the kiln is provided with a hearth, when in production, production raw materials are placed in the hearth of the kiln, a burning gun is used as a gas supply device to provide combustible gas such as natural gas and oxygen for supporting combustion, so that high-temperature combustion is carried out, the production raw materials in the kiln are melted into molten glass, and then processes such as forming and the like are carried out. The burning gun is usually fixed and installed by using the furnace wall of the furnace, the refractory material of the furnace wall is used as a fixed main body or a device body, a gas supply channel is arranged on the device body, two pipelines which are respectively used for providing natural gas and oxygen penetrate through the gas supply channel, the pipeline which provides oxygen is sleeved on the pipeline which provides the natural gas, the oxygen and the natural gas are mixed at a gas outlet of the gas supply channel, fuel and combustion improver which are required by combustion are provided inside the hearth of the furnace, and the combustion is carried out at the gas outlet of the gas supply channel. In the process of raw material melting, because the melting temperature of the raw materials is high, the volatilization of the raw materials such as boron and the like is large, a large amount of raw materials can be consumed, the quality of glass is reduced, and meanwhile, a devitrified material skin generated by volatilization is easy to cover on the inner wall of a kiln and a gas outlet of a burning gun, so that the burning gun material is corroded, the service life of the burning gun is shortened, the gas outlet of the burning gun is easily blocked, the gas flow speed is reduced, the temperature, the brightness and the flame covering area of flame are influenced, and the heat radiation efficiency and the melting quality of the raw materials of the glass are influenced.

In order to solve the problems in the prior art, an embodiment of the present disclosure provides an air supply device, as shown in fig. 1 to 4, including: the device comprises a device body 1, wherein the device body 1 comprises an air supply channel 2 which penetrates through two ends of the device body 1; the outlet of the first gas supply pipeline 3 is communicated with the inlet of the gas supply channel 2 and is used for supplying combustion-supporting gas; and a second gas supply duct 4, the second gas supply duct 4 passing through the first gas supply duct 3 and the gas supply channel 2 in sequence to an outlet of the gas supply channel 2 for supplying a gas fuel; wherein the inner diameter of the inlet of the first gas supply duct 3 is larger than the inner diameter of the outlet of the first gas supply duct 3.

The utility model provides an air supply device, the internal diameter of the entry of first air supply pipeline 3 is greater than the internal diameter of the export of first air supply pipeline 3, through the difference of internal diameter, makes the velocity of flow of gas accelerate, and the air current can blow off the devitrification skin that covers at air supply device gas outlet to solved the problem that the devitrification skin blocks the air supply device export, improved the quality of flame, and then improved the quality of glass raw and other materials founding.

In some embodiments, the first gas supply conduit 3 comprises a first pipe segment 301, a transition pipe segment 302, and a second pipe segment 303 in sequential communication; transition segment 302 is tapered, with the inner diameter of first segment 301 being greater than the inner diameter of second segment 303; the outlet of the second pipe section 303 is communicated with the inlet of the gas supply channel 2 through a connecting component 5; the inlet of the first pipe section 301 is in sealed communication with the second gas supply conduit 4; wherein, the outer wall of the first pipe section 301 is provided with an inlet of a first gas supply pipeline 3 arranged along the radial direction for introducing combustion-supporting gas; one end of the first pipe section 301, which is opposite to the outlet of the second pipe section 303, is provided with a connecting hole, and the second gas supply pipeline 4 extends into the first gas supply pipeline 3 through the connecting hole.

The furnace comprises a first pipe section 301, a transition pipe section 302 and a second pipe section 303, wherein the first pipe section 301 is positioned at the upstream and used for introducing combustion-supporting gas to assist combustion, and the second pipe section 303 is positioned at the downstream and used for communicating a gas supply channel 2 and conveying the combustion-supporting gas to the inside of the furnace through the gas supply channel 2; transition pipe section 302 is the toper, thereby make first gas supply line 3 internal diameter by first pipe section 301 to the transition of second pipe section 303 reduce, when combustion-supporting gas gets into transition pipe section 302 through first pipe section 301, combustion-supporting gas's velocity of flow is under pressure and flow state predetermineeing, receive transition pipe section 302's water conservancy diversion and improved the velocity of flow, make combustion-supporting gas velocity of flow increase when passing through first gas supply line 3, thereby can blow off the devitrification material skin that probably covers gas outlet on the burning torch, thereby guarantee the gas flow rate, avoid influencing the temperature of flame, luminance and flame cover area.

A first variable-diameter gas supply pipeline 3 is formed by the first pipe section 301, the transition pipe section 302 and the second pipe section 303, so that the flow speed of combustion-supporting gas is increased when the first gas supply pipeline 3 passes through; the second gas supply pipeline 4 extends into the first gas supply pipeline 3 through the connecting hole, and the second gas supply pipeline 4 and the first gas supply pipeline 3 are aligned through the connecting hole, so that the concentricity is ensured; meanwhile, the connecting hole is hermetically connected with the outer wall of the second gas supply pipeline 4, so that the tightness of combustion-supporting gas entering the first gas supply pipeline 3 through the inlet of the outer wall of the first pipe section 301 can be ensured, and leakage is avoided.

The inlet of the first gas supply pipeline 3 is located on the outer wall of the first pipe section 301, is arranged along the radial direction and is perpendicular to the second gas supply pipeline 4, so that the arrangement of pipelines can be facilitated, and the sealing performance of the second gas supply pipeline 4 and the connecting hole is ensured.

The outlet of the second pipe section 303 is connected to the gas supply channel 2 via a connecting assembly 5, so that the second gas supply line 4 and the gas supply channel 2 are connected to each other and the sealing property is ensured.

In some embodiments, the connection assembly 5 includes a first connection portion 51 and a second connection portion 52, the second connection portion 52 is sleeved on the second pipe segment 303, the first connection portion 51 is connected to an inlet of the gas supply passage 2 of the apparatus body 1; the inner diameter of the gas supply channel 2 is the same as the inner diameter of the second pipe section 303, the first connection portion 51 and the second connection portion 52 are connected by a plurality of first connection pieces so that the gas supply channel 2 is in close contact with the outlet of the second pipe section 303, and the gas supply channel 2 and the second pipe section 303 are hermetically connected by a sealing member 55; wherein the first connection 53 is arranged parallel to the axial direction of the gas supply channel 2.

The first connecting part 51 is fixed on the device body 1 and positioned at the inlet of the air supply channel 2, the second connecting part 52 is fixed on the second pipe section 303, the outlet of the second pipe section 303 is the outlet of the second air supply pipeline 4, and the first connecting part 51 and the second connecting part 52 are connected through the first connecting piece 53 parallel to the axial direction of the air supply channel 2, so that the inlet of the air supply channel 2 of the device body 1 and the outlet of the second air supply pipeline 4 are in tight contact in the axial direction, and the communication effect of the two is ensured.

The inner diameter of the gas supply channel 2 is the same as the inner diameter of the second pipe section 303, so that the first gas supply pipeline 3 and the gas supply channel 2 can be aligned front and back, gas can smoothly flow into the gas supply channel 2 from the first gas supply pipeline 3, and the influence on the gas flow rate is avoided.

The sealing element 55 can be a sealing ring or a sealing sleeve, the sealing element 55 is sleeved at the outlet of the second pipe section 303, the first connecting element 53 can be a bolt, the fastening of the first connecting part 51 and the second connecting part 52 is realized through the matching of nuts, after the first connecting element 53 is fastened, the sealing element 55 is pressed by the second connecting part 52 in the axial direction under the fastening action of the first connecting element 53, so that the sealing element 55 and the device body 1 are in close contact with each other around the inlet of the gas supply device, and the sealing effect is ensured.

In some embodiments, the second connecting portion 52 includes a first connecting portion 503 and a first cylindrical portion 504, the first connecting portion 51 is provided with a bolt mounting post, the first connecting member 53 passes through the first connecting portion 503 and is connected to the bolt mounting post, and the first cylindrical portion 504 is sleeved on the first gas supply duct 3 and is abutted against the first connecting portion 51 and the sealing member 55 under the action of the bolt.

In some embodiments, the first connection portion 51 includes a first connection unit 501 and a second connection unit 502; one end of the first connecting unit 501 and one end of the second connecting unit 502 are oppositely attached to two sides of the second pipe section 303 and are connected through a plurality of second connecting pieces 54; the other end of the first connection unit 501 and the other end of the second connection unit 502 are connected to the apparatus body 1, respectively; wherein the second connection 54 is arranged perpendicular to the axial direction of the gas supply channel 2.

The first connecting unit 501 and the second connecting unit 502 have a preset distance therebetween, the second connecting piece 54 can be a bolt, after the first connecting unit 501 and the second connecting unit 502 are fastened through the second connecting piece 54, the preset distance between the first connecting unit 501 and the second connecting unit 502 can be reduced, the first connecting unit 501 and the second connecting unit 502 are parallel to the second pipe section 303 of the first gas supply pipeline 3 clamped in the radial direction, therefore, the second gas supply pipeline 4 is stably connected with the gas supply channel 2, and the aligning effect is guaranteed. Wherein the sealing member 55 pressing the first connection portion 51 and the second connection portion 52 can be located between the first connection unit 501 and the second connection unit 502, radial clamping is provided by the first connection unit 501 and the second connection unit 502, and axial clamping is provided by the first connection portion 51 and the second connection portion 52, thereby ensuring sealing effect from both radial and axial directions, respectively, and achieving sealing connection of the first gas supply duct 3 and the gas supply channel 2 in radial and axial directions.

In some embodiments, the apparatus body 1 is made of refractory material, and the refractory bricks on the kiln can be directly used as the apparatus body 1, and the through holes are arranged on the refractory bricks to form the gas supply channel 2.

In some embodiments, the device body 1 is provided with a protruding portion protruding toward the first air supply duct 3 at the inlet of the air supply channel 2, a first clamping groove and a second clamping groove are formed in the outer wall of the protruding portion, the first clamping groove and the second clamping groove are oppositely arranged in the radial direction of the air supply channel 2, and the other end of the first connecting unit 501 and the other end of the second connecting unit 502 are respectively clamped in the first clamping groove and the second clamping groove; one end of the first connection unit 501 and one end of the second connection unit 502 are respectively provided with an arc-shaped portion for fitting with the second pipe segment 303.

The fixing of the first connecting unit 501 and the second connecting unit 502 to the device body 1 is realized by the projecting portion, the axial spacing of the first connecting unit 501 and the second connecting unit 502 can be realized by the first clamping groove and the second clamping groove, and the first connecting unit 501 and the second connecting unit 502 are respectively matched with the first clamping groove and the second clamping groove.

Wherein, the radial cross section of bulge can also be for circular for the rectangle, and when the radial cross section of bulge was the rectangle, first draw-in groove and second draw-in groove can be respectively for following the interior sunken groove of facing in the horizontal direction, first connecting element 501 and second connecting element 502 with the link of device body 1 be connected in first draw-in groove or second draw-in groove through turn-ups structure respectively.

When the radial section of the protruding part is circular, the first clamping groove and the second clamping groove can be two arc-shaped grooves which are oppositely arranged, or can be spliced into an annular groove.

In some embodiments, the first connection unit 501 and the second connection unit 502 may be respectively a flat plate structure bent to form an L shape, one end of each of the first connection unit 501 and the second connection unit 502 is connected to the first air supply duct 3 through the sealing member 55, and the other end of each of the first connection unit 501 and the second connection unit 502 is attached to the outer wall of the protruding portion and connected to the protruding portion through a bolt, or connected to the first clamping groove or the second clamping groove through a flanging structure.

In some embodiments, the first connection portion 51 may also include a second connection portion and a second cylinder portion, the second connection portion includes a third connection unit and a fourth connection unit respectively connected to the opposite positions of the protruding portion, the second cylinder portion is sleeved on the first gas supply pipeline 3, the cylinder wall of the second cylinder portion may be separated by a gap to form a multi-segment arc structure, the multi-segment arc structure is spliced into a complete ring shape by tightening the clamp, the sealing member may be sleeved at the outlet of the first gas supply pipeline 3 and contact with the inner wall of the second cylinder portion, and the radial and axial sealing connection between the first gas supply pipeline 3 and the gas supply channel 2 is achieved by tightening the second cylinder portion and abutting of the first cylinder portion 504 of the second connection portion 52.

In some embodiments, the gas supply apparatus further includes a first flange 6 and a second flange 7, the first flange 6 is communicated with one end of the first pipe section 301 of the first gas supply pipeline 3 away from the gas supply channel 2, and the second flange 7 is sleeved on the second gas supply pipeline 4; first flange 6 sets up with second flange 7 is relative, and sealing connection, and second gas supply line 4 passes second flange 7, first flange 6 and first gas supply line 3 in proper order and stretches into to gas supply channel 2 in.

In some embodiments, the first flange 6 may be welded to the first gas supply pipeline 3, that is, one end of the first pipe section 301 facing away from the second pipeline, the second flange 7 may be sleeved on and welded to the second gas supply pipeline 4, the first flange 6 and the second flange 7 are connected by a plurality of bolts, a high temperature resistant sealing gasket is disposed between the first flange 6 and the second flange 7, and an annular groove for clamping the sealing gasket is disposed on the opposite end surfaces of the first flange 6 and the second flange 7, so as to achieve sealing connection. Sealing washer can be for a plurality of that concentric cover established, through the cooperation of first flange 6 and second flange 7, can guarantee the fixed and sealed of the link of first gas supply line 3 with second gas supply line 4, avoids the gas in the first gas supply line 3 to spill over.

The center of the first flange 6 is provided with a through hole which forms a connecting hole of the first pipe section 301, the second gas supply pipeline 4 extends into the first gas supply pipeline 3 through the connecting hole, and the connecting hole and the second gas supply pipeline 4 are in sealing connection through the matching of the first flange 6 and the second flange 7.

In some embodiments, the air supply device further comprises a third air supply duct 8, and the third air supply duct 8 is sleeved on the second air supply duct 4 and sequentially passes through the first air supply duct 3 and the air supply channel 2 to the outlet of the air supply channel 2; the outlet of the third air supply duct 8, the outlet of the second air supply duct 4 and the outlet of the air supply channel 2 are arranged flush and concentrically with each other.

The third gas supply duct 8 is used to supply gaseous fuel so that the flame can be adjusted.

In some embodiments, the third gas supply pipeline 8 includes a third pipe section 801 and a fourth pipe section 802, the third pipe section 801 is sleeved on the second gas supply pipeline 4, and one end of the third pipe section 801 is connected with the second gas supply pipeline 4 by welding and sealing, and the other end is flush with the outlet of the second gas supply pipeline 4; the fourth pipe section 802 is communicated with the outer wall of the third pipe section 801 outside the first gas supply pipeline 3; the inlet of the fourth pipe section 802 and the inlet of the second gas supply pipeline 4 are respectively communicated with the gas fuel pipeline 10; wherein the fourth pipe section 802 of the third gas supply duct 8 is provided with a flow control valve 803.

In some embodiments, the inlet of the fourth pipe section 802 and the inlet of the second gas supply pipe 4 may be communicated with the gas fuel pipe 10 through a three-way joint or a multi-way joint, so that the same gas fuel source may be used for gas supply, the third gas supply pipe 8 and the second gas supply pipe 4 are used for gas supply at the same time, and the third gas supply pipe 8 is sleeved outside the second gas supply pipe 4, so that the coverage area of the flame at the outlet of the gas supply channel 2 is larger and more uniform.

In some embodiments, a flow control valve 803 is disposed on the fourth pipe section 802 for controlling the flow of the gas in the third gas supply duct 8, so as to adjust the flow rate of the gas fuel in the third gas supply duct 8, and thus adjust the length and shape of the flame formed at the outlet of the gas supply channel 2, thereby improving the quality of the flame.

In some embodiments, a plurality of first supporting members (not shown in the drawings) uniformly distributed along the circumferential direction may be disposed between the third pipe section 801 of the third gas supply duct 8 and the gas supply channel 2, so as to make the third pipe section 801 of the third gas supply duct 8 concentric with the gas supply channel 2 and keep the third pipe section centered, and the first supporting members may be first protrusions protruding outward in the radial direction on the outer wall of the third gas supply duct 8.

In some embodiments, a plurality of second support members (not shown in the drawings) may be uniformly distributed and arranged along the circumferential direction between the second air supply duct 4 and the third air supply duct 8, and the second support members may be second protrusions protruding radially outward from the outer wall of the second air supply duct 4; as shown in fig. 2, one end of each of the first air supply pipeline 3, the second air supply pipeline 4 and the third air supply pipeline 8 is connected with the upstream of the air inlet direction through a flange, and the other end of each of the first air supply pipeline 3, the second air supply pipeline 4 and the third air supply pipeline 8 is arranged at the outlet of the air supply channel 2, namely, the downstream of the air inlet direction is provided with the first supporting piece and/or the second supporting piece, so that the outlet of the third air supply pipeline 8, the outlet of the second air supply pipeline 4 and the outlet of the air supply channel 2 are concentric, the covering area of flame is uniform, and the flame quality is guaranteed.

The gas fuel provided by the gas fuel pipeline 10 can be natural gas, the gas fuel is input from the same gas fuel source through the gas fuel pipeline 10, the gas fuel of the gas fuel pipeline 10 is divided through the third gas supply pipeline 8 and the second gas supply pipeline 4 and is converged at the outlet of the gas supply channel 2, and compared with the original structure that a pipeline provides natural gas, the gas coverage is increased; and the third gas supply duct 8 can be adjusted by means of the flow control valve 803 so that the flow rate of the gaseous fuel at the outlet of the gas supply channel 2 can be adjusted and so that the shape and length of the flame can be adjusted. The outlet of the second gas supply pipeline 4, the outlet of the third gas supply pipeline 8 and the outlet of the gas supply channel 2 are concentrically arranged, so that the gas fuel output from the second gas supply pipeline 4 and the third gas supply pipeline 8 and the combustion-supporting gas, such as oxygen, provided by the combustion-supporting gas pipeline 9 are uniformly distributed at the outlet of the gas supply channel 2.

At the outlet of the gas supply channel 2, the natural gas fuel and the oxygen combustion-supporting gas are mixed and combusted to generate flame, and the gas fuel is positioned in the middle, so that the combustion-supporting gas surrounds the gas fuel, the center of the flame is lack of oxygen to crack and analyze carbon, the gas fuel is fully combusted, the quality of the flame and the heat radiation efficiency are improved, and the melting quality of raw materials is improved.

In some embodiments, the gas supply device further includes a combustion-supporting gas pipe 9, the combustion-supporting gas pipe 9 is respectively communicated with the inlet of the first gas supply pipe 3 and the combustion-supporting gas source, and the inlet of the first gas supply channel 2 is located on the side wall of the first gas supply channel 2, so as to facilitate the pipeline layout. The combustion-supporting gas pipeline 9 is communicated with a combustion-supporting gas source, and a flow regulating device, a pressure regulating device, a flow monitoring device and a pressure monitoring device are arranged on the combustion-supporting gas pipeline 9. Flow regulation device, pressure regulation device, flow monitoring device and pressure monitoring device belong to field prior art, can adopt current products such as flowmeter, manometer, flow control valve, pressure regulating valve, and concrete structure and control principle are no longer repeated. The length and the shape of the flame can be adjusted by adjusting the supply amount and the pressure of the combustion-supporting gas, the thermal efficiency is improved, meanwhile, the flow velocity of the combustion-supporting gas is increased by utilizing the reducing first gas supply pipeline 3, and the high-speed gas flow can blow off the devitrified slabs covering the gas outlet of the gas supply device, so that the problem that the devitrified slabs block the gas supply device outlet is solved; the service life of the gas supply device is prolonged, the gas flow required by combustion is kept smooth, and the temperature, the brightness and the flame coverage area of flame are ensured, so that the heat radiation efficiency and the melting quality of glass raw materials are improved.

The embodiment of the disclosure also provides a kiln, which comprises the gas supply device; the kiln also comprises a kiln body; the number of the gas supply devices is at least one, and the at least one gas supply device penetrates through the furnace wall of the furnace body to the interior of the furnace body.

Wherein, the gas supply device can set up a plurality ofly on the oven of kiln body as required, can provide adjustable controllable gas fuel and combustion-supporting gas through the gas supply device, and make the combustion-supporting gas velocity of flow increase through the first gas supply line 3 of reducing, the air current can blow off the crystallization coating that covers at gas supply device gas outlet, thereby the problem of crystallization coating blocking gas supply device export has been solved, the coverage area of flame is increased through a plurality of gas supply device, thereby make thermal radiation efficiency higher, raw and other materials melting quality has been improved.

Thus far, various embodiments of the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. Those skilled in the art can now fully appreciate how to implement the teachings disclosed herein, in view of the foregoing description.

Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.

Claims (10)

1. A gas supply apparatus, comprising:

the device comprises a device body (1), wherein the device body (1) comprises an air supply channel (2) which penetrates through two ends of the device body (1);

the outlet of the first gas supply pipeline (3) is communicated with the inlet of the gas supply channel (2) and is used for providing combustion-supporting gas; and the number of the first and second groups,

the second gas supply pipeline (4) sequentially penetrates through the first gas supply pipeline (3) and the gas supply channel (2) to an outlet of the gas supply channel (2) and is used for providing gas fuel;

wherein the inner diameter of the inlet of the first gas supply duct (3) is larger than the inner diameter of the outlet of the first gas supply duct (3).

2. The gas supply apparatus according to claim 1,

the first gas supply pipeline (3) comprises a first pipe section (301), a transition pipe section (302) and a second pipe section (303) which are communicated in sequence;

the transition pipe section (302) is conical, and the inner diameter of the first pipe section (301) is larger than that of the second pipe section (303);

the outlet of the second pipe section (303) is communicated with the inlet of the gas supply channel (2) through a connecting assembly (5);

the inlet of the first pipe section (301) is in sealed communication with the second gas supply pipeline (4);

the outer wall of the first pipe section (301) is provided with the inlet of the first gas supply pipeline (3) which is arranged along the radial direction and is used for introducing combustion-supporting gas; first pipeline section (301) with the one end that the export of second pipeline section (303) was carried on the back is equipped with the connecting hole, second gas supply line (4) pass through the connecting hole stretch into in first gas supply line (3).

3. The gas supply apparatus according to claim 2,

the connecting assembly (5) comprises a first connecting part (51) and a second connecting part (52), the second connecting part (52) is sleeved on the second pipe section (303), and the first connecting part (51) is connected to an inlet of the gas supply channel (2) of the device body (1);

the inner diameter of the gas supply channel (2) is the same as that of the second pipe section (303), the first connecting part (51) and the second connecting part (52) are connected through a plurality of first connecting pieces (53) so that the gas supply channel (2) is in close contact with the outlet of the second pipe section (303), and the gas supply channel (2) is in sealing connection with the second pipe section (303) through a sealing piece (55);

wherein the first connection piece (53) is arranged parallel to the axial direction of the gas supply channel (2).

4. The gas supply apparatus according to claim 3,

the first connection portion (51) includes a first connection unit (501) and a second connection unit (502);

one end of the first connecting unit (501) and one end of the second connecting unit (502) are oppositely attached to two sides of the second pipe section (303) and are connected through a plurality of second connecting pieces (54);

the other end of the first connecting unit (501) and the other end of the second connecting unit (502) are respectively connected to the device body (1);

wherein the second connecting piece (54) is arranged perpendicular to the axial direction of the gas supply channel (2).

5. The gas supply apparatus according to claim 4,

a protruding part extending towards the first gas supply pipeline (3) is arranged at an inlet of the gas supply channel (2) of the device body (1), a first clamping groove and a second clamping groove which are oppositely arranged along the radial direction of the gas supply channel (2) are formed in the outer wall of the protruding part, and the other end of the first connecting unit (501) and the other end of the second connecting unit (502) are respectively clamped in the first clamping groove and the second clamping groove;

one end of the first connecting unit (501) and one end of the second connecting unit (502) are respectively provided with an arc-shaped part which is used for being attached to the second pipe section (303).

6. The gas supply apparatus according to claim 2,

the first flange (6) is communicated with one end, deviating from the gas supply channel (2), of the first pipe section (301) of the first gas supply pipeline (3), and the second flange (7) is sleeved on the second gas supply pipeline (4);

first flange (6) with second flange (7) sets up relatively, and sealing connection, second gas supply line (4) pass in proper order second flange (7) first flange (6) with first gas supply line (3) stretch into extremely in gas supply channel (2).

7. The gas supply device according to claim 1, further comprising a third gas supply duct (8), wherein the third gas supply duct (8) is sleeved on the second gas supply duct (4) and sequentially passes through the first gas supply duct (3) and the gas supply channel (2) to an outlet of the gas supply channel (2);

the outlet of the third gas supply duct (8), the outlet of the second gas supply duct (4) and the outlet of the gas supply channel (2) are flush with each other and concentrically arranged.

8. The gas supply apparatus according to claim 7,

the third gas supply pipeline (8) comprises a third pipe section (801) and a fourth pipe section (802), the third pipe section (801) is sleeved on the second gas supply pipeline (4), one end of the third pipe section (801) is connected with the second gas supply pipeline (4) in a sealing mode, and the other end of the third pipe section (801) is flush with an outlet of the second gas supply pipeline (4);

the fourth pipe section (802) is communicated with the pipe wall of the third pipe section (801) outside the first gas supply pipeline (3);

the inlet of the fourth pipe section (802) and the inlet of the second gas supply pipeline (4) are respectively communicated with a gas fuel pipeline (10);

wherein a flow control valve is arranged on the fourth pipe section (802) of the third gas supply pipeline (8).

9. The gas supply device according to claim 2, further comprising a combustion-supporting gas duct (9), wherein the combustion-supporting gas duct (9) is respectively communicated with the inlet of the first gas supply duct (3) and the combustion-supporting gas source, and a flow rate adjusting device, a pressure adjusting device, a flow rate monitoring device and a pressure monitoring device are arranged on the combustion-supporting gas duct (9).

10. A kiln, characterized in that it comprises a gas supply device according to any one of claims 1 to 9;

the kiln also comprises a kiln body;

the number of the gas supply devices is at least one, and the gas supply devices penetrate through the furnace wall of the kiln body to the inside of the kiln body.

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