CN115183236A - Gas spray gun, combustion system thereof and float glass melting furnace combustion system configuration method - Google Patents

Abstract

The invention provides a gas spray gun, a combustion system thereof and a configuration method of a combustion system of a float glass melting furnace, wherein the gas spray gun comprises the following components: the gas spray gun comprises a gas spray head, an outer gun barrel, an inner gun barrel and a flow fine adjustment mechanism, realizes the combustion and heat release of large-flux hydrogen in a safe and controllable state, can realize the regulation of the flame state of the hydrogen combustion, and has novel and unique design, compact and simple structure, and simple and convenient manufacture and installation; the gas spray gun combustion system is composed of a hydrogen combustion assembly, a hydrogen conveying assembly, a cooling gas conveying assembly and a gas distributor, wherein the hydrogen combustion assembly, the hydrogen conveying assembly, the cooling gas conveying assembly and the gas distributor are composed of the gas spray gun, so that the combustion system composed of a plurality of hydrogen combustion assemblies can obtain huge heat through large-flux hydrogen, and conditions are provided for large-scale use of the hydrogen as the obtained huge heat; the float glass melting furnace combustion system configuration rule provides a feasible technical scheme for a float glass production line to use hydrogen as a heat source in a large scale.

Description

Gas spray gun, combustion system thereof and float glass melting furnace combustion system configuration method

Technical Field

The invention relates to a gas spray gun, a combustion system thereof and a float glass melting furnace combustion system configuration method, belonging to the technical field of production and manufacturing of the gas spray gun and the combustion system thereof and the technical field of the float glass melting furnace combustion system configuration method.

Background

The hydrogen has wide source, high heat value and high energy density, and the combustion product is water, so that no greenhouse gas such as carbon dioxide and toxic and harmful substances are produced in the combustion process, and the hydrogen is a novel clean energy with high development and utilization values.

However, hydrogen is unstable at normal temperature, and when the volume fraction of hydrogen in air is 4-75%, explosion can be caused by fire, so that when the hydrogen is used as fuel, a proper spray gun is required to be configured to ensure that the hydrogen can be safely combusted and release the energy contained in the hydrogen.

In the prior art, there is a related technology for obtaining heat energy by burning hydrogen through a hydrogen burner, for example, in the invention patent of "a hydrogen burner" (application number: 2013105725686), a central combustion-supporting gas outlet, an inner annular swirling flow combustion-supporting gas outlet, an outer annular combustion-supporting gas outlet and an outer annular gas outlet are formed by mutually matching a combustion sleeve combustion head, a gas supply pipeline and an auxiliary gas supply pipeline, so that a multi-layer surrounding combustion-supporting gas and gas mixed air-out type hydrogen burner is formed.

Because the device has a relatively complex structure and high manufacturing cost, and can not obtain large heat through hydrogen with large flux and high pressure, the device can meet the heat requirement of special industries, for example, the device can not meet the heat requirement required by glass production, and the practical application is greatly limited.

As is well known, glass is an ancient product, which is an amorphous solid with a random structure prepared by taking various inorganic minerals such as quartz sand, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda ash and the like as main raw materials and adding a small amount of auxiliary materials, and is widely applied to the fields of buildings, daily use, art, medical treatment, chemistry, electronics, instruments, nuclear engineering and the like.

The glass is classified into building glass, chemical glass, optical glass, electronic glass, process glass, glass fiber, foam glass and the like according to the purpose, sodium glass, potassium glass, aluminum-magnesium glass, lead glass, borosilicate glass, quartz glass and the like according to the chemical composition, and the building glass is classified according to the manufacturing method and is classified into plate glass, deep processing glass and fusion casting forming glass, wherein the plate glass generally refers to a glass product produced by adopting the processes of drawing, floating, flat drawing, rolling and the like.

The float glass is produced and shaped by introducing protective gas (N) ₂ And H ₂ ) The tin bath of (2) comprises:

the molten glass continuously flows into the tank furnace and floats on the surface of molten tin with high relative density, under the action of gravity and surface tension, the molten glass is spread and flattened on the surface of molten tin to form a glass belt with flat upper and lower surfaces, the glass belt is guided to a transition roller table after being gradually hardened and cooled, the glass belt is pulled out of a tin bath through the rotation of rollers of the roller table to enter an annealing furnace, and a corresponding flat glass product is obtained after annealing and cutting.

Compared with other forming processes, the float glass production forming process has the advantages that the float glass production forming process is more suitable for efficiently manufacturing high-quality plate glass, the product has no ribs, the thickness is uniform, the upper surface and the lower surface are flat and parallel, the scale of a production line is not limited by a forming method, the energy consumption of a unit product is low, the yield is high, scientific management is easy, the mechanization and automation of the whole line are realized, the labor productivity is high, the continuous operation period can be up to several years, stable production is facilitated, suitable conditions can be provided for producing new products on line, such as electric float reflective glass, annealing spray film glass, cold end surface treatment and the like, and therefore, the float glass becomes a main production method of building glass at present.

The main facilities of the float glass production line are a glass melting furnace, the float glass melting furnace is a shallow pool transverse flame tank furnace, the structure of the float glass melting furnace mainly comprises a feeding system, a melting system, a heat source supply system, a waste gas waste heat utilization system, a smoke exhaust and gas supply system and the like, as shown in a schematic plane structure diagram of the float glass melting furnace in the prior art in figure 1, the float glass melting furnace mainly comprises:

the device comprises a feeding port 1, a melting part 2, a small furnace 3, a cooling part 4, a material flowing port 5 and a heat accumulating chamber 6, wherein a heat source supply system comprises the small furnace and the heat accumulating chamber, and a combustion system is arranged in the small furnace and used for generating heat energy required by float glass production.

The small furnace is an important component of the glass melting furnace and is a supporting facility for preheating, mixing and organizing fuel and air for combustion, and the combustion nozzle arranged in the small furnace is important equipment for introducing the fuel into the small furnace for combustion.

In the prior art, fuels used for burning a float glass melting furnace small furnace are heavy oil, natural gas or coal gas and the like, and a large amount of carbon dioxide is released in the burning process, thereby causing serious influence on the environment.

With the trend of global warming, the emission of greenhouse gases is greatly regarded, the work of carbon peak reaching, carbon neutralization and the like is urgent, the building material industry including glass manufacturing is not only a large energy consumer but also one of large carbon emission consumers, therefore, the use of clean energy is actively explored in the glass manufacturing industry, and the energy is an effective way for promoting carbon peak reaching and carbon neutralization, wherein, hydrogen is used as a novel energy source with high heat value, large energy density and various sources, and because the combustion product is water, greenhouse gas carbon dioxide is not generated in the combustion process, the hydrogen has great development and utilization values, and particularly, a combustion system taking hydrogen as fuel is configured in a float glass melting furnace, and the hydrogen has great development prospect.

Disclosure of Invention

In order to meet the production and living needs of taking hydrogen as fuel, the embodiment of the invention particularly provides a gas spray gun and a combustion system thereof as well as a configuration method of a combustion system of a float glass melting furnace, and aims to:

the gas spray gun is used as a heat supply mode of a float glass melting furnace, and aims to realize the purposes of saving energy, reducing emission, not discharging carbon dioxide and protecting the environment.

In order to achieve the purpose, the invention firstly provides a gas spray gun, and the technical scheme is as follows:

a gas injection lance for injecting hydrogen and causing the hydrogen to release heat in a combustion state, comprising:

gas shower nozzle, outer barrel, interior barrel and flow fine-tuning, wherein:

the gas nozzle comprises an outer nozzle, an inner nozzle, a pressure plate and a fixed sleeve;

the outer spray head is a hollow tubular component with a through hole, the inner wall of the through hole of the outer spray head is of a cone structure which shrinks towards the top end of the outer spray head, the inner spray head is also of a hollow tubular component with a through hole, the outer wall of the inner spray head is of a cone structure which shrinks towards the top end of the inner spray head, the inner spray head is arranged inside the outer spray head, the top end of the inner spray head and the top end of the outer spray head are positioned on the same side, the pressure plate is an annular component, an inclined hole which inclines to the axis of the pressure plate is arranged on the pressure plate, the fixed sleeve is a hollow annular sleeve component and is connected to the tail end of the inner spray head, and the fixed sleeve supports against the pressure plate to cover the tail end of the inner spray head and enable the inclined hole on the pressure plate to be communicated with the through hole in the middle of the inner spray head;

the outer lance pipe comprises a straight pipe section, a bent pipe section, a connecting section and an inserting pipe;

the top end of the straight pipe section is connected with the tail end of the outer spray head, the tail end of the straight pipe section is connected with one end of the elbow section, the other end of the elbow section is connected with one end of the connecting section, the other end of the connecting section is used for connecting a pipe fitting for providing the hydrogen, the inserting pipe is connected to the elbow section, and the axis of the inserting pipe is in parallel with the axis of the straight pipe section;

the inner gun tube is a straight tube and is inserted into the straight tube section through the insertion tube, the top end of the inner gun tube is connected with the tail end of the inner spray head through the fixing sleeve, and the tail end of the inner gun tube is used for being connected with a pipe fitting for providing the hydrogen;

the flow fine adjustment mechanism is arranged on the outer side of the tail of the inner gun tube and connected with the insertion pipe, the inner gun tube can move along the axial direction of the inner gun tube through the flow fine adjustment mechanism, so that the relative position between the top end face of the inner spray head and the top end face of the outer spray head, which are connected with the top end of the inner gun tube through the fixed sleeve, is changed, the gap between the inner spray head and the outer spray head is adjusted, and the flame state adjustment of the hydrogen during combustion is realized.

Further:

the flow fine adjustment mechanism comprises an inner tube adjusting screw rod tube, an adjusting screw rod hollow nut, a sealing sleeve and a positioning ring;

the inner tube adjusting screw rod tube is sleeved and fixed on the outer wall of the tail part of the inner barrel, the adjusting screw rod hollow nut is sleeved on the inner tube adjusting screw rod tube and is in threaded connection with the inner tube adjusting screw rod tube, the sealing sleeve is sleeved on the inner tube adjusting screw rod tube, one end of the sealing sleeve is connected with the tail part of the inserting tube, the other end of the sealing sleeve is sleeved at the front end of the adjusting screw rod hollow nut, the positioning ring is sleeved at the front end of the adjusting screw rod hollow nut and is fixedly connected with the sealing sleeve, and the positioning ring is used for movably connecting the adjusting screw rod hollow nut with the tail end of the sealing sleeve;

the adjusting screw rod hollow nut is rotated to enable the inner gun tube to move along the axial direction of the inner gun tube through threads on the inner tube adjusting screw rod tube, so that the relative position of the top end face of the inner spray head and the top end face of the outer spray head is adjusted.

Optionally:

the fixed sleeve is connected to the tail end of the inner spray head through internal threads, the top end of the inner gun barrel is connected to the fixed sleeve through internal threads, the fixed sleeve is connected to the tail end of the inner spray head through the fixed sleeve, and the top end of the straight pipe section is connected to the tail end of the outer spray head through external threads.

Furthermore, a sealing ring is arranged at the joint of the top end of the straight pipe section and the tail end of the outer spray head.

Furthermore, a positioning component is arranged between the outer barrel and the inner barrel.

Optionally:

the inserting pipe is connected with the bent pipe section through welding, one end of the sealing sleeve is connected with the tail portion of the inserting pipe through internal threads, the inner pipe adjusting screw rod pipe is fixed on the outer wall of the tail portion of the inner gun barrel through a screw, and the positioning ring is fixedly connected with the sealing sleeve through a screw.

And further:

the joint of the sealing sleeve and the tail part of the inserting pipe is also provided with an inner pipe sealing ring which is used for sealing a gap between the inserting pipe and the outer wall of the inner gun pipe.

Furthermore, the outer wall of the cone structure of the inner spray head is also provided with a line recovery groove.

Further:

the outer nozzle, the inner nozzle and the pressure plate are made of heat-resistant steel respectively, high-temperature-resistant coatings are further coated on the outer surfaces of the outer nozzle and the inner nozzle respectively, and the pressure plate is subjected to high-temperature-resistant treatment through a heat treatment process.

Secondly, the invention further provides a combustion system of the gas spray gun, and the technical scheme is as follows:

a gas lance combustion system comprising at least one hydrogen combustion assembly, a set of hydrogen delivery assemblies, a set of cooling gas delivery assemblies and a gas distributor, wherein:

the hydrogen combustion assembly comprises any one of the gas spray guns, two first hoses respectively connected to the tail ends of an outer gun tube and an inner gun tube of the gas spray gun, two flow regulating valves respectively connected to the other ends of the first hoses, and two pressure gauges respectively arranged on respective connecting pipelines between the first hoses and the flow regulating valves correspondingly connected with the first hoses;

the hydrogen conveying assembly comprises a hydrogen conveying pipe, a first stop valve connected with one end of the hydrogen conveying pipe, and a first check valve connected with the other end of the first stop valve;

the cooling gas conveying assembly comprises a cooling gas conveying pipe, a second stop valve connected with the cooling gas conveying pipe, a second check valve connected with the other end of the second stop valve, and a second hose connected with the other end of the second check valve;

the first check valve in the hydrogen conveying assembly is connected with the gas distributor, the other end of each flow regulating valve in each hydrogen combustion assembly is respectively connected with the gas distributor, and the other end of the second hose in the cooling gas conveying assembly is also connected with the gas distributor;

and the cooling gas conveying assembly is used for conveying cooling gas to the gas spray gun through the gas distributor after the gas spray gun burns hydrogen to produce heat, so that the gas spray gun is cooled rapidly.

Further, the gas spray gun combustion system still includes:

the controller is used for controlling the first stop valve and the second stop valve to be intelligent control stop valves respectively;

and each intelligent control stop valve is in information communication with the controller respectively, and is opened and closed by the controller according to a set program.

Optionally, the first hose and the second hose are metal hoses respectively.

Optionally, the cooling gas delivered by the cooling gas delivery assembly is compressed air.

In addition, the invention also provides a configuration method of the combustion system of the float glass melting furnace.

The float glass melting furnace combustion system configuration method is used for configuring a combustion system in a heat source system of a float glass melting furnace for obtaining heat by adopting hydrogen combustion, wherein the float glass melting furnace is provided with a small furnace for hydrogen combustion, the combustion system is any one of the combustion systems of the various gas spray guns, and the technical scheme comprises the following steps:

determining the heat which can be provided when the gas spray gun is used for hydrogen combustion according to the diameter of the outer gun tube and the inner gun tube of the gas spray gun, and determining the specification and model of each gas spray gun according to the heat which can be provided when the gas spray gun is used for hydrogen combustion;

determining the daily energy consumption of a float glass melting furnace according to the daily production of float glass of the float glass melting furnace with a combustion system to be configured;

determining the heat quantity which each small furnace should provide each day according to the daily energy consumption of the float glass melting furnace and the number of the small furnaces configured in the float glass melting furnace;

determining the specification type of the gas spray guns which are configured for each small furnace and the configuration number of the gas spray guns according to the daily heat which is provided by each small furnace;

and (3) assembling and configuring corresponding hydrogen combustion components on each small furnace according to the determined configuration specification type and configuration quantity of the gas spray guns and according to any one of the gas spray gun combustion systems, and connecting each hydrogen combustion component with a corresponding hydrogen conveying component and a cooling gas conveying component to form a gas spray gun combustion system, so that the configuration of the combustion system in the heat source system of the float glass melting furnace is completed.

And further:

according to different modes of obtaining heat by respectively adopting a bottom combustion mode, a side combustion mode or a top combustion mode in the float glass melting furnace, the gas spray guns in the hydrogen combustion assemblies are respectively installed on different parts of the small furnaces by adopting installation modes corresponding to the bottom combustion mode, the side combustion mode and the top combustion mode, and the gas spray guns are installed by adopting corresponding installation supports according to the installation modes adopted by the gas spray guns.

Further:

in the process of obtaining heat energy by hydrogen combustion in the respective small furnace, the flame state of each hydrogen combustion assembly is adjusted by adopting any one or more of the following methods:

moving an inner gun tube on the gas spray gun through a flow fine adjustment mechanism on the gas spray gun of each hydrogen combustion assembly to change the relative position of the top end face of an inner spray head and the top end face of an outer spray head, which are connected with the top end of the inner gun tube through a fixing sleeve, so as to adjust the gap between the inner spray head and the outer spray head and realize the flame state adjustment of the hydrogen during combustion;

pressure plates with different numbers and/or different diameters of inclined holes are selected to adapt to different pressures and flow rates of hydrogen, so that the regulation requirements of flame states of the hydrogen during combustion under different pressures and flow rates are met;

the pressure and the flow of the hydrogen entering each hydrogen combustion assembly are adjusted by adjusting a flow adjusting valve in each hydrogen combustion assembly, so that the flame state of the hydrogen during combustion is adjusted.

Compared with the prior art, the invention has the beneficial effects and obvious progress that:

1) The gas spray gun provided by the invention can be used for spraying high-flux hydrogen and enabling the hydrogen to be combusted in a safe and controllable state to release heat through the combination of the gas spray head, the outer gun barrel, the inner gun barrel and the flow fine adjustment mechanism, wherein the gas spray head comprises the outer spray head, the inner spray head, a pressure plate and a fixing sleeve, the outer gun barrel comprises a straight pipe section, a bent pipe section, a connecting section and an inserting pipe, the inner gun barrel is a straight pipe, the flow fine adjustment mechanism is arranged on the outer side of the tail part of the inner gun barrel and is connected with the inserting pipe, and the inner gun barrel can move along the axial direction of the inner gun barrel through the flow fine adjustment mechanism, so that the gap between the inner spray head and the outer spray head is adjusted, and the flame state of the hydrogen is adjusted when the hydrogen is combusted;

the invention provides a gas spray gun combustion system, which comprises a hydrogen combustion assembly, a hydrogen conveying assembly, a cooling gas conveying assembly and a gas distributor, wherein the hydrogen combustion assembly comprises a gas spray gun, a first hose, a flow regulating valve and a pressure gauge;

the float glass melting furnace combustion system configuration method provided by the invention determines the specification and model of the heat which can be provided by the gas spray gun, determines the daily energy consumption of the float glass melting furnace according to the daily output of the float glass melting furnace, determines the daily heat which should be provided by each small furnace according to the daily energy consumption of the float glass melting furnace and the number of the small furnaces configured by the float glass melting furnace, determines the specification and model of the gas spray gun to be configured for each small furnace and the configuration number thereof on the basis, finally assembles and configures corresponding hydrogen combustion components on each small furnace according to the determined configuration specification and model of the gas spray gun and the configuration number thereof, and connects each hydrogen combustion component with the corresponding hydrogen conveying component and cooling gas conveying component to form a corresponding gas spray gun combustion system, namely completes the configuration of the combustion system in the heat source system of the float glass melting furnace;

2) The gas spray gun provided by the invention can simultaneously spray large-flux hydrogen through the outer gun tube and the inner gun tube, and the hydrogen is safely and controllably combusted so as to obtain huge heat energy, and a safe and controllable hydrogen combustion system can be formed on the basis, so that a basis is provided for realizing large-scale use of the hydrogen to obtain huge heat energy, the application range is greatly expanded, the gas spray gun is particularly applied to a float glass melting furnace as a heat supply source, and the purposes of saving energy, reducing emission, not discharging carbon dioxide and protecting the environment can be realized;

3) The gas spray gun and the combustion system thereof provided by the invention have the advantages of novel and unique design, compact and simple structure, simple and convenient manufacture and installation, and provide a new thought and method for large-scale and large-flux use of hydrogen as a heat energy source, and the provided float glass melting furnace combustion system has clear thought, reasonable method, strong practicability and applicability and has outstanding substantive characteristics and remarkable progress compared with the prior art, thereby having great popularization and application values.

Drawings

To more clearly illustrate the technical solution of the present invention, the drawings required for the embodiment of the present invention will be briefly described below.

Obviously:

the drawings in the following description are only part of the embodiments of the present invention, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts, but the other drawings also belong to the drawings required to be used by the embodiments of the present invention.

FIG. 1 is a schematic plan view of a prior art float glass furnace;

FIG. 2 is a schematic cross-sectional view of a gas burner according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a combustion system of a gas spray gun provided in an embodiment of the invention.

In the figure:

1-a feeding port, 2-a melting part, 3-a small furnace, 4-a cooling part, 5-a material flowing port and 6-a heat accumulating chamber;

110-gas nozzle, 111-outer nozzle, 112-inner nozzle, 113-pressure plate, 114-fixing sleeve, 115-sealing ring, 120-outer gun tube, 121-straight tube section, 122-bend section, 123-connecting section, 124-splicing tube, 130-inner gun tube, 140-flow fine adjustment mechanism, 141-inner tube adjusting screw tube, 142-adjusting screw hollow nut, 143-sealing sleeve, 144-positioning ring, 145-inner tube sealing ring and 150-positioning component;

10-a hydrogen combustion assembly, 11-a gas spray gun, 12-a first hose, 13-a flow regulating valve, 14-a pressure gauge, 20-a hydrogen conveying assembly, 21-a hydrogen conveying pipe, 22-a first stop valve, 23-a first check valve, 30-a cooling gas conveying assembly, 31-a cooling gas conveying pipe, 32-a second stop valve, 33-a second check valve, 34-a second hose, 40-a gas distributor and 50-a controller.

Detailed Description

In order to make the objects, technical solutions, advantages and significant advances of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings provided in the embodiments of the present invention, it is obvious that all the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

It should be noted that:

the terms "first," "second," and "third" (if any), etc. in the description and claims of the present invention and the accompanying drawings of embodiments of the present invention are used for distinguishing between different objects and not for describing a particular order;

moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It is to be understood that:

in the description of the embodiments of the present invention, the terms "upper", "lower", "top", "bottom", and other indicative orientations or positions are used only for the convenience of describing the embodiments of the present invention and for the simplicity of explanation, and are not intended to indicate or imply that the described devices or elements must have a particular orientation, a configuration, and an operation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and for example, may be fixedly connected, detachably connected, movably connected, or integrated; the term "a" or "an" refers to a compound that can be directly connected or indirectly connected through an intermediate, and can be used in combination with or without other elements, unless otherwise specifically limited, and the specific meaning of the term in the present invention can be understood by those skilled in the art according to specific situations.

It should also be noted that:

the following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

The technical means of the present invention will be described in detail below with specific examples.

Example 1

The present embodiments provide a gas torch for injecting a large flux of hydrogen gas and burning the hydrogen gas in a safe and controllable state to release heat.

Fig. 2 is a schematic cross-sectional structural view of a gas spray gun according to an embodiment of the present invention:

a gas spray gun comprising:

gas shower nozzle 110, outer lance 120, interior lance 130 and flow fine-tuning 140, wherein:

the gas showerhead 110 includes an outer showerhead 111, an inner showerhead 112, a pressure plate 113, and a retaining sleeve 114;

the outer spray head 111 is a hollow tubular member with a through hole, the inner wall of the through hole of the outer spray head 111 is a cone structure which shrinks towards the top end, the inner spray head 112 is also a hollow tubular member with a through hole, the outer wall of the inner spray head 112 is a cone structure which shrinks towards the top end, the inner spray head 112 is arranged inside the outer spray head 111, the top end of the inner spray head 112 and the top end of the outer spray head 111 are positioned on the same side, the pressure plate 113 is an annular member, an inclined hole which inclines to the axis of the pressure plate 113 is arranged on the pressure plate 113, the fixing sleeve 114 is a hollow annular sleeve member, the fixing sleeve 114 is connected to the tail end of the inner spray head 112, and the fixing sleeve 114 supports against the pressure plate 113 to enable the pressure plate 113 to cover the tail end of the inner spray head 112 and enable the inclined hole on the pressure plate 113 to be communicated with the through hole in the middle of the inner spray head 112;

the outer barrel 120 comprises a straight pipe section 121, a bent pipe section 122, a connecting section 123 and an inserting pipe 124;

the top end of the straight pipe section 121 is connected with the tail end of the outer nozzle 111, the tail end of the straight pipe section 121 is connected with one end of the elbow section 122, the other end of the elbow section 122 is connected with one end of the connecting section 123, the other end of the connecting section 123 is used for connecting a pipe fitting (not shown in the figure) for providing hydrogen, the plug-in pipe 124 is connected on the elbow section 123, and the axis of the plug-in pipe 124 is parallel to the axis of the straight pipe section 121;

the inner gun tube 130 is a straight tube, the inner gun tube 130 is inserted into the straight tube section 121 through the insertion tube 124, the top end of the inner gun tube 130 is connected with the tail end of the inner nozzle 112 through the fixing sleeve 114, and the tail end of the inner gun tube 130 is used for being connected with a pipe fitting (not shown) for supplying hydrogen;

flow fine-tuning 140 sets up in the afterbody outside of interior barrel 130 and flow fine-tuning 140 is connected with grafting pipe 124, can make interior barrel 130 move along its axial through flow fine-tuning 140 to change the relative position between its top face of interior shower nozzle 112 and its top face of outer shower nozzle 111 that its top is connected through fixed cover 114 in interior barrel 130, and then adjust the clearance between interior shower nozzle 112 and the outer shower nozzle 111, realize adjusting the flame state of hydrogen when its burning.

From the above description, it can be seen that:

the gas spray gun provided by the embodiment is formed by combining a gas spray head, an outer gun tube, an inner gun tube and a flow fine adjustment mechanism, hydrogen is simultaneously provided through the outer gun tube and the inner gun tube, the injection of large-flux hydrogen can be realized, and the hydrogen is combusted to release heat in a safe and controllable state;

it can be seen that the gas spray gun provided by the embodiment has the advantages of novel and unique design, compact and simple structure, simple and convenient manufacture and installation, and provides a new method and device for large-scale and large-flux use of hydrogen as a heat energy source.

Further, it can be seen from fig. 2 that:

the flow fine adjustment mechanism 140 comprises an inner tube adjusting screw rod tube 141, an adjusting screw rod hollow nut 142, a sealing sleeve 143 and a positioning ring 144;

the inner tube adjusting screw rod tube 141 is sleeved and fixed on the outer wall of the tail part of the inner barrel 130, the adjusting screw rod hollow nut 142 is sleeved and fixed on the inner tube adjusting screw rod tube 141 and is in threaded connection with the inner tube adjusting screw rod tube 141, the sealing sleeve 143 is sleeved and fixed on the inner tube adjusting screw rod tube 141, one end of the sealing sleeve 143 is connected with the tail part of the inserting tube 114, the other end of the sealing sleeve 143 is sleeved and fixed at the front end of the adjusting screw rod hollow nut 142, the positioning ring 144 is sleeved and fixed at the front end of the adjusting screw rod hollow nut 142 and is fixedly connected with the sealing sleeve 143, and the positioning ring 144 is used for movably connecting the adjusting screw rod hollow nut 142 and the tail end of the sealing sleeve 143;

the rotation of the adjusting screw hollow nut 142 causes the inner barrel 130 to move axially of the inner barrel 130 through the threads on the inner tube adjusting screw tube 141, thereby adjusting the relative positions of the top end face of the inner nozzle tip 112 and the top end face of the outer nozzle tip 111.

From the above description, it can be seen that:

through the internal barrel of flow fine-tuning mechanism in its ascending removal of axial, can adjust its top terminal surface of interior shower nozzle and its top terminal surface of outer shower nozzle relative position, and then adjust the clearance between interior shower nozzle and the outer shower nozzle, realize adjusting the flame state of hydrogen when its burning, obviously, this kind of regulation mode is safe, convenient and adjust meticulously accurate, can realize the accurate regulation and control of hydrogen burning flame, and fine-tuning structure novel unique, simple reliable and effective.

As an alternative implementation, as shown in fig. 2, in this embodiment:

the fixing sleeve 114 is connected with the tail end of the inner spray head 112 through internal threads, the top end of the inner gun tube 130 is connected with the fixing sleeve 114 through internal threads and is connected with the tail end of the inner spray head 112 through the fixing sleeve 114, and the top end of the straight tube section 121 is connected with the tail end of the outer spray head 111 through external threads.

Obviously, carry out the connection of relevant component through the screw thread, simple, effective and easy dismounting, the change of the maintenance of being convenient for and component can improve work efficiency, alleviates intensity of labour.

As an optimization, as shown in fig. 2, a sealing ring 115 is further disposed at a connection between the top end of the straight pipe section 121 and the tail end of the outer nozzle 111, and by disposing the sealing ring, the sealing performance at the connection between the straight pipe section and the outer nozzle can be improved, and the use safety of the gas spray gun can be ensured.

Also, as an optimization, a positioning member 150 is further provided between the outer gun tube 120 and the inner gun tube 130, as shown in fig. 2.

Set up the locating component between outer barrel and interior barrel, can guarantee the clearance between outer barrel and the interior barrel, make the hydrogen flow of flowing through more smooth and easy to guarantee the security of its burning and the stability of burning.

As an alternative implementation, as shown in fig. 2, in this embodiment:

the inserting pipe 124 is connected with the bent pipe section 123 by welding, one end of the sealing sleeve 143 is connected with the tail part of the inserting pipe 124 by internal threads, the inner pipe adjusting screw pipe 141 is fixed on the outer wall of the tail part of the inner barrel 130 by screws, and the positioning ring 144 is also fixedly connected with the sealing sleeve 143 by screws.

The splicing pipe and the bent pipe section are connected by welding, so that the connection strength and the sealing performance can be ensured, and the whole outer gun pipe can be integrated and is more convenient to disassemble and assemble; and sealed sleeve pipe is connected through internal thread and grafting pipe, the inner tube is adjusted the lead screw pipe and is fixed on the afterbody outer wall of barrel including through the screw, and the holding ring also passes through screw and sealed sleeve pipe fixed connection, then can be on guaranteeing joint strength, more makes things convenient for the dismouting, the change of easy to maintain maintenance and component.

Further, as can also be seen in fig. 2:

the joint between the sealing sleeve 143 and the rear end of the insertion tube 124 is further provided with an inner tube sealing ring 145, and the inner tube sealing ring 145 is used for sealing the gap between the insertion tube 124 and the outer wall of the inner barrel 130.

Further, as an optimized implementation manner, in this embodiment, the outer wall of the cone structure of the inner nozzle 112 is further provided with a plurality of wire slots (not shown in the figure).

Through setting up the compound line groove, can guide the hydrogen flow better, improve the stability of hydrogen flow, guarantee the burning of hydrogen to obtain more stable hydrogen burning flame.

As a further optimization, in this embodiment, the outer nozzle 111, the inner nozzle 112 thereof and the pressure plate 113 are made of heat-resistant steel, and the outer surfaces of the outer nozzle 111 and the inner nozzle 112 thereof are coated with high-temperature-resistant coatings (not shown), respectively, and the pressure plate 113 is subjected to a heat treatment process to perform a high-temperature-resistant treatment.

Through optimization, the quality of the gas spray gun provided by the embodiment can be further improved, the service life of the gas spray gun is prolonged, and the safety and the reliability of the gas spray gun are ensured.

Example 2

The present embodiment provides a gas torch combustion system including the gas torch provided in embodiment 1.

Fig. 3 is a schematic structural diagram of a combustion system of a gas spray gun according to an embodiment of the present invention:

a gas lance combustion system comprising:

at least one hydrogen combustion assembly 10, a set of hydrogen delivery assemblies 20, a set of cooling gas delivery assemblies 30, and a gas distributor 40, wherein:

the hydrogen combustion assembly 10 includes one of the gas spray guns 11 provided in embodiment 1, two first hoses 12 connected to respective ends of the outer barrel 120 and the inner barrel 130 of the gas spray gun 11, two flow rate control valves 13 connected to respective other ends of the first hoses 12, and two pressure gauges 14 respectively disposed on respective connecting lines between the first hoses 12 and the flow rate control valves 13 connected thereto;

the hydrogen delivery assembly 20 includes a hydrogen delivery pipe 21, a first check valve 22 connected to one end of the hydrogen delivery pipe 21, and a first check valve 23 connected to the other end of the first check valve 22;

the cooling gas delivery assembly 30 includes a cooling gas delivery pipe 31, a second check valve 32 connected to the cooling gas delivery pipe 31, a second check valve 33 connected to the other end of the second check valve 32, and a second hose 34 connected to the other end of the second check valve 33;

the first check valve 23 of the hydrogen supply module 20 is connected to the gas distributor 40, the other end of each flow control valve 13 of each hydrogen burner module 10 is connected to the gas distributor 40, and the other end of the second hose 34 of the cooling gas supply module 30 is also connected to the gas distributor 40;

the cooling gas delivery assembly 30 is used for delivering cooling gas to the gas torch 11 through the gas distributor 40 after the gas torch 11 generates heat by burning hydrogen gas, so as to rapidly cool the gas torch 11.

From the above description, it can be seen that:

the gas spray gun combustion system that this embodiment provided, hydrogen combustion assembly who constitutes through the gas spray gun that provides including this embodiment 1, and hydrogen delivery assembly, cooling gas delivery assembly and gas distributor constitute, wherein, hydrogen combustion assembly includes gas spray gun, first hose, flow control valve and manometer, hydrogen delivery assembly includes the hydrogen conveyer pipe, first stop valve, first check valve, cooling gas delivery assembly includes the cooling gas conveyer pipe, the second stop valve, second check valve and second hose, first check valve, flow control valve, the second hose still is connected with gas distributor respectively, thereby realize connecting a plurality of hydrogen combustion assemblies through gas distributor and constitute gas spray gun combustion system, can produce huge heat through the burning of big flux hydrogen, and accessible cooling gas delivery assembly cools off gas spray gun fast, thereby guarantee the safety of big flux hydrogen burning, use hydrogen as obtaining huge heat energy source for extensive big flux and provide the condition.

As an extension, as shown in fig. 3, the present embodiment provides a gas spray gun combustion system, further including:

the controller 50, and the first stop valve 22 and the second stop valve 32 are intelligent control stop valves respectively;

each intelligent control stop valve is in information communication with the controller 50, and is opened and closed by the controller 50 according to a set program.

Through such expansion, can be so that the gas spray gun combustion system that this embodiment provided realizes intelligent burning to further improve work efficiency and burning quality, further improve security and reliability, provide technical support for further using on a large scale of hydrogen.

As an optional implementation manner, in this embodiment, the first hose and the second hose are metal hoses, so as to further improve the safety of the gas spray gun combustion system provided in this embodiment.

As an optional implementation manner, in this embodiment:

the cooling gas conveying assembly conveys cooling gas which is compressed air, so that the use cost can be reduced, and the use safety of the gas spray gun combustion system is ensured.

Example 3

The embodiment provides a method for configuring a combustion system of a float glass melting furnace.

The configuration method of the combustion system of the float glass melting furnace provided by the embodiment is used for configuring the combustion system in the heat source system of the float glass melting furnace for obtaining heat by burning hydrogen, wherein the float glass melting furnace is provided with a small furnace for burning hydrogen, the combustion system adopted by the embodiment is any one of various combustion systems of the gas spray gun provided by the embodiment 2, and the technical scheme comprises the following steps:

determining the heat quantity which can be provided when the gas spray gun is used for hydrogen combustion according to the diameters of the outer gun barrel and the inner gun barrel of each gas spray gun provided in the embodiment 1, and determining the specification and model of each gas spray gun according to the heat quantity which can be provided when each gas spray gun is used for hydrogen combustion;

determining the daily energy consumption of a float glass melting furnace according to the daily production of float glass of the float glass melting furnace with a combustion system to be configured;

determining the heat quantity which each small furnace should provide every day according to the daily energy consumption of the float glass melting furnace and the number of the small furnaces configured in the float glass melting furnace;

determining the specification and the model of each small furnace to be provided with the gas spray guns and the configuration number of the gas spray guns according to the heat quantity which is required to be provided by each small furnace every day;

and (3) assembling and configuring corresponding hydrogen combustion components on each small furnace according to the determined configuration specification type and configuration quantity of the gas spray guns and according to any one of the gas spray gun combustion systems provided in the embodiment 2, and connecting each hydrogen combustion component with a corresponding hydrogen conveying component and a cooling gas conveying component to form the gas spray gun combustion system, namely completing the configuration of the combustion system in the heat source system of the float glass melting furnace.

From the above description, it can be seen that:

the configuration method of the combustion system of the float glass melting furnace provided by the embodiment determines the specification and model of the heat which can be provided by the gas spray gun, determines the daily energy consumption of the float glass melting furnace according to the daily output of the float glass melting furnace, determines the daily heat which should be provided by each small furnace according to the daily energy consumption of the float glass melting furnace and the number of the small furnaces configured by the float glass melting furnace, determines the specification and model of the gas spray gun which should be configured for each small furnace and the configuration number thereof on the basis of the determination, finally assembles and configures the corresponding hydrogen combustion assembly on each small furnace according to the determined configuration specification and model of the gas spray gun and the configuration number thereof, and connects each hydrogen combustion assembly with the corresponding hydrogen conveying assembly and cooling gas conveying assembly, namely completes the configuration of the combustion system in the heat source system of the float glass melting furnace, thereby providing a feasible technical scheme for the large-scale use of hydrogen as the heat source of the float glass production line.

Further, when the technical scheme is implemented:

the bottom burning type, the side burning type or the top burning type can be respectively adopted according to the float glass melting furnace to obtain different heat, the gas spray guns in each hydrogen combustion assembly can be respectively installed on different parts of each small furnace by adopting the installation modes of the corresponding bottom burning type, the corresponding side burning type and the corresponding top burning type, and the gas spray guns are installed by adopting the corresponding installation supports according to the installation modes of the gas spray guns, so that the installation reliability is ensured and the requirements of different combustion modes are met.

Further, in the process of obtaining heat energy by hydrogen combustion in the respective small furnaces of each hydrogen combustion assembly after the above-mentioned configuration method of the combustion system of the float glass melting furnace is carried out, the flame state can be adjusted by any one or more of the following methods, including:

the inner gun tube on the gas spray gun is moved through the flow fine adjustment mechanism on the gas spray gun of each hydrogen combustion assembly, so that the relative position of the top end face of the inner spray head connected with the top end face of the inner spray head through the fixing sleeve on the top end of the inner gun tube and the top end face of the outer spray head is changed, the gap between the inner spray head and the outer spray head is further adjusted, and the flame state adjustment of hydrogen during combustion is realized;

pressure plates with different numbers and/or different diameters of inclined holes are selected to adapt to different pressures and flow rates of hydrogen, so that the regulation requirements of flame states of the hydrogen during combustion under different pressures and flow rates are met;

the pressure and the flow of the hydrogen entering each hydrogen combustion assembly are adjusted by adjusting the flow adjusting valve in each hydrogen combustion assembly, so that the flame state of the hydrogen during combustion is adjusted.

From the above description, it can be seen that:

after the configuration method of the float glass melting furnace combustion system provided by the embodiment is implemented, the flame state of each hydrogen combustion assembly can be adjusted by one or more methods in the process of obtaining heat energy by hydrogen combustion in each small furnace, so that the flame state of hydrogen combustion can meet the requirements of a float glass production process, and a high-quality product can be obtained.

In summary, it can be seen that:

firstly, the gas spray gun provided by the invention realizes that large-flux hydrogen is combusted to release heat in a safe and controllable state through the combination of the gas spray head, the outer gun barrel, the inner gun barrel and the flow fine adjustment mechanism, can realize the adjustment of the flame state of the hydrogen during combustion through the flow fine adjustment mechanism, has novel and unique design, compact and simple structure, simple and convenient manufacture and installation, and provides a new thought and solution for large-scale and large-flux use of hydrogen as a heat energy source;

secondly, the gas spray gun combustion system provided by the invention is composed of a hydrogen combustion assembly, a hydrogen conveying assembly, a cooling gas conveying assembly and a gas distributor, wherein the hydrogen combustion assembly is composed of the gas spray gun provided by the invention, so that the gas spray gun combustion system is formed by a plurality of hydrogen combustion assemblies, huge heat can be obtained by large-flux hydrogen, and the gas spray gun can be rapidly cooled by the cooling gas conveying assembly, thereby ensuring the safety of large-flux hydrogen combustion and providing conditions for large-scale and large-flux use of hydrogen as the obtained huge heat;

thirdly, the invention provides a configuration method of a combustion system of a float glass melting furnace, which determines the specification and model of the combustion system by the heat which can be provided by a gas spray gun, determines the specification and model of the gas spray gun which is to be configured for each small furnace and the configuration quantity thereof by the daily energy consumption of the float glass melting furnace and the quantity of the configured small furnaces, and assembles and configures corresponding hydrogen combustion components on each small furnace to complete the configuration of the combustion system in a heat source system of the float glass melting furnace, thereby providing a feasible technical scheme for a float glass production line to use hydrogen as a heat source in a large scale;

in a word, the invention provides a corresponding technical scheme for realizing large-scale use of hydrogen to obtain huge heat energy, is particularly applied to a float glass melting furnace, can realize the purposes of energy conservation and emission reduction, no emission of carbon dioxide and environmental protection, provides new ideas, methods and technologies for large-scale and large-flux use of hydrogen as a heat energy source, and has prominent substantive characteristics and remarkable progress compared with the prior art, thereby having great popularization and application values.

During the description of the above description:

the description of the terms "present embodiment," embodiments of the invention, "" such as \8230;, "shown," "further improved technical sub-scheme" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and the schematic representation of the terms in this specification is not necessarily directed to the same embodiment or example, and that the particular feature, structure, material, or characteristic described may be combined or coupled in any suitable manner in any one or more embodiments or examples;

moreover, those of ordinary skill in the art may combine or combine features of the various embodiments or examples and features of the various embodiments or examples described herein without creating a contradiction.

Finally, it should be noted that:

although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made on the technical solutions described in the foregoing embodiments, or some or all of the technical features of the embodiments can be equivalently replaced, and the corresponding technical solutions do not depart from the technical solutions of the embodiments of the present invention.

Claims (16)

1. A gas torch for injecting hydrogen gas to release heat in a combustion state, comprising:

gas shower nozzle, outer barrel, interior barrel and flow fine-tuning, wherein:

the gas nozzle comprises an outer nozzle, an inner nozzle, a pressure plate and a fixed sleeve;

the outer spray head is a hollow tubular component with a through hole, the inner wall of the through hole of the outer spray head is of a cone structure which shrinks towards the top end of the outer spray head, the inner spray head is also of a hollow tubular component with a through hole, the outer wall of the inner spray head is of a cone structure which shrinks towards the top end of the inner spray head, the inner spray head is arranged inside the outer spray head, the top end of the inner spray head and the top end of the outer spray head are positioned on the same side, the pressure plate is an annular component, an inclined hole which inclines to the axis of the pressure plate is arranged on the pressure plate, the fixing sleeve is a hollow annular sleeve component and is connected to the tail end of the inner spray head, and the fixing sleeve is pressed against the pressure plate to cover the tail end of the inner spray head and enables the inclined hole on the pressure plate to be communicated with the through hole in the middle of the inner spray head;

the outer lance tube comprises a straight tube section, a bent tube section, a connecting section and an inserting tube;

the top end of the straight pipe section is connected with the tail end of the outer spray head, the tail end of the straight pipe section is connected with one end of the elbow section, the other end of the elbow section is connected with one end of the connecting section, the other end of the connecting section is used for connecting a pipe fitting for providing the hydrogen, the inserting pipe is connected to the elbow section, and the axis of the inserting pipe is in parallel with the axis of the straight pipe section;

the inner gun tube is a straight tube and is inserted into the straight tube section through the insertion tube, the top end of the inner gun tube is connected with the tail end of the inner spray head through the fixing sleeve, and the tail end of the inner gun tube is used for being connected with a pipe fitting for providing the hydrogen;

the flow fine adjustment mechanism is arranged on the outer side of the tail of the inner gun tube and connected with the insertion pipe, the inner gun tube can move along the axial direction of the inner gun tube through the flow fine adjustment mechanism, so that the relative position between the top end face of the inner spray head and the top end face of the outer spray head, which are connected with the top end of the inner gun tube through the fixed sleeve, is changed, the gap between the inner spray head and the outer spray head is adjusted, and the flame state adjustment of the hydrogen during combustion is realized.

2. The gas torch of claim 1, wherein:

the flow fine adjustment mechanism comprises an inner tube adjusting screw rod tube, an adjusting screw rod hollow nut, a sealing sleeve and a positioning ring;

the inner tube adjusting screw rod tube is sleeved and fixed on the outer wall of the tail part of the inner barrel, the adjusting screw rod hollow nut is sleeved on the inner tube adjusting screw rod tube and is in threaded connection with the inner tube adjusting screw rod tube, the sealing sleeve is sleeved on the inner tube adjusting screw rod tube, one end of the sealing sleeve is connected with the tail part of the inserting tube, the other end of the sealing sleeve is sleeved at the front end of the adjusting screw rod hollow nut, the positioning ring is sleeved at the front end of the adjusting screw rod hollow nut and is fixedly connected with the sealing sleeve, and the positioning ring is used for movably connecting the adjusting screw rod hollow nut with the tail end of the sealing sleeve;

the adjusting screw hollow nut is rotated to enable the inner gun tube to move along the axial direction of the inner gun tube through the threads on the inner tube adjusting screw tube, so that the relative position of the top end face of the inner spray head and the top end face of the outer spray head is adjusted.

3. The gas torch of claim 1, wherein:

the fixed sleeve is connected to the tail end of the inner spray head through internal threads, the top end of the inner gun barrel is connected to the fixed sleeve through internal threads, the fixed sleeve is connected to the tail end of the inner spray head through the fixed sleeve, and the top end of the straight pipe section is connected to the tail end of the outer spray head through external threads.

4. A gas burner as in claim 3, wherein: and a sealing ring is further arranged at the joint of the top end of the straight pipe section and the tail end of the outer spray head.

5. The gas torch of claim 1, wherein: a positioning member is also arranged between the outer barrel and the inner barrel.

6. The gas fired lance of claim 2, wherein:

the inserting pipe is connected with the bent pipe section through welding, one end of the sealing sleeve is connected with the tail portion of the inserting pipe through internal threads, the inner pipe adjusting screw rod pipe is fixed on the outer wall of the tail portion of the inner gun pipe through a screw, and the positioning ring is fixedly connected with the sealing sleeve through a screw.

7. The gas torch of claim 2, wherein:

the joint of the sealing sleeve and the tail part of the inserting pipe is also provided with an inner pipe sealing ring which is used for sealing a gap between the inserting pipe and the outer wall of the inner gun pipe.

8. The gas fired lance of claim 1, wherein: the outer wall of the cone structure of the inner spray head is also provided with a line-compounding slot.

9. The gas fired lance of claim 1, wherein:

the outer nozzle, the inner nozzle and the pressure plate are made of heat-resistant steel respectively, high-temperature-resistant coatings are further coated on the outer surfaces of the outer nozzle and the inner nozzle respectively, and the pressure plate is subjected to high-temperature-resistant treatment through a heat treatment process.

10. A gas lance combustion system, comprising:

at least one hydrogen combustion assembly, a set of hydrogen delivery assemblies, a set of cooling gas delivery assemblies, and a gas distributor, wherein:

the hydrogen combustion assembly comprises a gas spray gun as claimed in any one of claims 1 to 9, two first hoses respectively connected to respective tail ends of an outer gun tube and an inner gun tube of the gas spray gun, two flow regulating valves respectively connected to respective other ends of the first hoses, and two pressure gauges respectively disposed on respective connecting lines between the first hoses and the flow regulating valves correspondingly connected thereto;

the hydrogen conveying assembly comprises a hydrogen conveying pipe, a first stop valve connected with one end of the hydrogen conveying pipe, and a first check valve connected with the other end of the first stop valve;

the cooling gas conveying assembly comprises a cooling gas conveying pipe, a second stop valve connected with the cooling gas conveying pipe, a second check valve connected with the other end of the second stop valve, and a second hose connected with the other end of the second check valve;

the first check valve in the hydrogen conveying assembly is connected with the gas distributor, the other end of each flow regulating valve in each hydrogen combustion assembly is respectively connected with the gas distributor, and the other end of the second hose in the cooling gas conveying assembly is also connected with the gas distributor;

the cooling gas conveying assembly is used for conveying cooling gas to the gas spray gun through the gas distributor after the gas spray gun burns to produce heat by using hydrogen, so that the gas spray gun is cooled rapidly.

11. The gas lance combustion system of claim 10, further comprising:

the controller is used for controlling the first stop valve and the second stop valve to be intelligent control stop valves respectively;

and each intelligent control stop valve is in information communication with the controller respectively, and is opened and closed by the controller according to a set program.

12. The gas lance combustion system of claim 10, wherein: the first hose and the second hose are respectively metal hoses.

13. The gas lance combustion system of claim 10, wherein: the cooling gas conveying assembly conveys cooling gas which is compressed air.

14. A method for configuring a combustion system of a float glass melting furnace for obtaining heat by hydrogen combustion, wherein the float glass melting furnace is provided with a small furnace for hydrogen combustion, and the combustion system is the gas spray gun combustion system as claimed in any one of claims 10 to 13, and the method comprises the following steps:

the gas injection lance of any one of claims 1 to 9 having an outer barrel and an inner barrel of a diameter that determines the amount of heat that can be provided by the gas injection lance when it is used for hydrogen combustion and a specification based on the amount of heat that can be provided by each of the gas injection lances when it is used for hydrogen combustion;

determining the daily energy consumption of a float glass melting furnace according to the daily production of float glass of the float glass melting furnace with a combustion system to be configured;

determining the heat quantity which each small furnace should provide each day according to the daily energy consumption of the float glass melting furnace and the number of the small furnaces configured in the float glass melting furnace;

determining the specification model of each small furnace and the configuration number of the gas spray guns according to the daily heat quantity of each small furnace;

assembling and configuring corresponding hydrogen combustion assemblies on each small furnace according to the determined configuration specification types and configuration quantity of the gas spray guns and the gas spray gun combustion system according to any one of claims 10 to 13, and connecting each hydrogen combustion assembly with the corresponding hydrogen conveying assembly and the cooling gas conveying assembly to form the gas spray gun combustion system, namely completing the configuration of the combustion system in the heat source system of the float glass melting furnace.

15. The method of configuring a float glass furnace combustion system of claim 14, wherein:

and according to different modes of obtaining heat by respectively adopting a bottom combustion mode, a side combustion mode or a top combustion mode in the float glass melting furnace, the gas spray guns in the hydrogen combustion assemblies are respectively installed on different parts of the small furnaces by adopting installation modes corresponding to the bottom combustion mode, the side combustion mode and the top combustion mode, and the gas spray guns are installed by adopting corresponding installation supports according to the installation modes adopted by the gas spray guns.

16. The method of configuring a float glass furnace combustion system of claim 14, wherein:

in the process of obtaining heat energy by hydrogen combustion in the small furnace of each hydrogen combustion assembly, the flame state of each hydrogen combustion assembly is adjusted by any one or more of the following methods:

moving an inner gun tube on the gas spray gun through a flow fine adjustment mechanism on the gas spray gun of each hydrogen combustion assembly to change the relative position of the top end face of an inner spray head and the top end face of an outer spray head which are connected with the top end of the inner gun tube through a fixing sleeve, so as to adjust the gap between the inner spray head and the outer spray head and realize the flame state adjustment of the hydrogen during combustion;

pressure plates with different numbers and/or different diameters of inclined holes are selected to adapt to different pressures and flow rates of hydrogen, so that the regulation requirements of flame states of the hydrogen during combustion under different pressures and flow rates are met;

the pressure and the flow of the hydrogen entering each hydrogen combustion assembly are adjusted by adjusting a flow adjusting valve in each hydrogen combustion assembly, so that the flame state of the hydrogen during combustion is adjusted.

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