阅读说明：本技术 一种铝液连续式溶解炉 (Continuous aluminum liquid dissolving furnace ) 是由 王松 于 2021-09-29 设计创作，主要内容包括：本发明实施例涉及工业生产技术领域,具体涉及一种铝液连续式溶解炉,所述溶解炉的顶部分别设置有用于抽取溶解炉内部热气的供气管和用于向溶解炉内部加入铝锭的加料管,预热加料系统包括：物料预热管,用于对其内部铝锭进行预热；传送机构,用于带动物料预热管内部铝锭移动至加料管中；热气输送管,连通供气管,用于将供气管所提供的热气输送至物料预热管中；密封机构,设置在物料预热管和热气输送管的端部,用于防止溶解炉倾倒内部所溶解的物料时溶解炉内部的热气通过供气管和加料管流失、物料预热管内部的热气流失、热气输送管内部的热气流失,即对溶解炉与预热加料系统之间的热气通道进行密封,以达到防止在倾倒物料时热量大量流失的目的。(The embodiment of the invention relates to the technical field of industrial production, in particular to an aluminum liquid continuous dissolving furnace, wherein the top of the dissolving furnace is respectively provided with an air supply pipe for extracting hot air in the dissolving furnace and a feeding pipe for feeding aluminum ingots into the dissolving furnace, and the preheating and feeding system comprises: the material preheating pipe is used for preheating an aluminum ingot in the material preheating pipe; the conveying mechanism is used for driving the aluminum ingots in the material preheating pipe to move into the feeding pipe; the hot gas conveying pipe is communicated with the gas supply pipe and is used for conveying hot gas provided by the gas supply pipe into the material preheating pipe; sealing mechanism sets up the tip at material preheating tube and steam conveyer pipe for the steam that prevents to dissolve the stove when empting the material that inside dissolved passes through air supply pipe and filling tube loss, the inside steam loss of material preheating tube, the inside steam loss of steam conveyer pipe, seals the steam passageway between dissolving the stove and preheating charging system promptly, in order to reach the purpose that prevents the heat loss in a large number when empting the material.)

1. The utility model provides an aluminium liquid continuous type dissolving furnace, is used for preheating material aluminium ingot (7) preheating charging system (2) including setting up subaerial tilting connection formula dissolving furnace (1), setting on dissolving furnace (1), the top of dissolving furnace (1) is provided with respectively and is used for extracting gas supply pipe (3) of dissolving furnace (1) inside steam and is used for charging tube (4) to dissolving furnace (1) inside adding aluminium ingot (7), its characterized in that, preheating charging system (2) includes:

the material preheating pipe (6) is used for preheating an aluminum ingot (7) in the material preheating pipe;

the conveying mechanism (8) is used for driving the aluminum ingots (7) in the material preheating pipe (6) to move into the feeding pipe (4);

the hot gas conveying pipe (9) is communicated with the gas supply pipe (3) and is used for conveying hot gas provided by the gas supply pipe (3) to the material preheating pipe (6);

the sealing mechanism (10) is arranged at the end parts of the material preheating pipe (6) and the hot gas conveying pipe (9) and is used for preventing hot gas in the dissolving furnace (1) from flowing away through the gas supply pipe (3) and the charging pipe (4), hot gas in the material preheating pipe (6) from flowing away and hot gas in the hot gas conveying pipe (9) from flowing away when the dissolving furnace (1) dumps dissolved materials;

the sealing mechanism (10) includes: the device comprises an arc-shaped plate (101) fixed at the end parts of a material preheating pipe (6) and a hot gas conveying pipe (9), and an arc-shaped baffle plate (103) which can slide in the arc-shaped plate (101) through a spring (102); the end part of the gas supply pipe (3) and the end part of the feeding pipe (4) are sealed in a first sliding groove (104) formed in the arc-shaped plate (101) in a sliding manner, and the arc-shaped baffle plate (103) can slide to the end part of the material preheating pipe (6) and the end part of the hot gas conveying pipe (9) for sealing.

2. The molten aluminum continuous dissolution furnace according to claim 1, wherein a second sliding groove (105) is formed in the arc-shaped plate (101), and the arc-shaped baffle (103) slides through a limiting rod (106) arranged in the second sliding groove (105) and a spring (102) sleeved outside the limiting rod (106).

3. The continuous molten aluminum dissolving furnace of claim 1, wherein the sealing plate (11) is rotatably arranged inside the material preheating pipe (6) through a limiting torsion rotating shaft, and the size of the sealing plate (11) is matched with the size of the inside of the material preheating pipe (6).

4. The continuous molten aluminum dissolving furnace of claim 1, wherein the conveying mechanism (8) comprises a fixed pipe (801) arranged at the bottom of the material preheating pipe (6), a conveying belt (802) arranged inside the fixed pipe (801), and a push plate (803) fixed on the surface of the belt body of the conveying belt (802) and used for pushing the aluminum ingot (7) to move.

5. The continuous molten aluminum dissolving furnace according to claim 1, wherein the hot gas delivery pipe (9) is provided with a plurality of pipe heads communicated with the inside of the material preheating pipe (6), and the plurality of pipe heads are respectively positioned above the aluminum ingots (7) inside the material preheating pipe (6).

6. 3-furnace, in particular for the continuous dissolution of aluminium liquid, according to claim 1, characterized in that the size of the end of the gas supply tube (3) is adapted to the size of the end of the hot gas duct (9), the end of the gas supply tube (3) being butted against the end of the hot gas duct (9).

7. The continuous molten aluminum dissolving furnace of claim 1, wherein the end of the feeding pipe (4) is matched with the end of the material preheating pipe (6), and the end of the feeding pipe (4) is butted with the end of the material preheating pipe (6).

8. The continuous molten aluminum dissolving furnace of claim 1, wherein the material preheating pipe (6) is arranged on the ground through a fixing frame (5), and a storage bin (12) is arranged at the top of the material preheating pipe (6).

Technical Field

The invention relates to the technical field of industrial production, in particular to a continuous aluminum liquid dissolving furnace.

Background

With the increasing shortage and shortage of energy sources and the high requirements of people on environmental protection, how to realize high efficiency, energy conservation and environmental protection in the heat treatment industry becomes the focus of social attention at present, particularly to an aluminum liquid continuous dissolving furnace, a large amount of hot gas is generated in the dissolving process, and the hot gas is directly discharged into the air to cause heat waste, so that the hot gas generated in the dissolving process is generally used for preheating aluminum ingot materials before smelting, and the dissolving time is shortened; dissolving the stove when in-service use is through being divided into two parts, dissolve the stove main part and preheat charging system, the steam that will dissolve the process production lets in preheating the system, thereby preheat the aluminium ingot in preheating the system, when reinforced in dissolving the stove, then directly add the aluminium ingot in preheating the system, preheating the system directly communicates dissolving the stove usually, avoid the heat too much loss when adding the aluminium ingot, but when using to the tiltable dissolving stove, dissolving the stove when empting inside dissolved material, the hot gas channel between stove and the preheating charging system directly separates, make the heat in the preheating system and the heat in the dissolving stove cause a large amount of losses.

Therefore, a continuous molten aluminum dissolving furnace is needed to overcome the above problems.

Disclosure of Invention

In order to solve the above problems, an embodiment of the present invention provides a continuous molten aluminum dissolving furnace, wherein when the dissolving furnace dumps materials, a sealing mechanism seals an air supply pipe and a charging pipe on the dissolving furnace, and seals a material preheating pipe and a hot air conveying pipe in a preheating charging system, that is, a hot air channel between the dissolving furnace and the preheating charging system is sealed, so as to achieve the purpose of preventing a large amount of heat loss when dumping materials.

In order to achieve the above purpose, the embodiments of the present invention specifically adopt the following technical solutions: the utility model provides an aluminium liquid continuous type dissolving furnace, including set up subaerial tilting connection formula dissolving furnace, set up the charging system that preheats that is used for preheating material aluminium ingot on dissolving the furnace, the top of dissolving the furnace is provided with the air supply pipe that is used for extracting the inside steam of dissolving the furnace respectively and is used for to dissolving the inside filling tube that adds the aluminium ingot of furnace, preheat the charging system and include:

the material preheating pipe is used for preheating an aluminum ingot in the material preheating pipe;

the conveying mechanism is used for driving the aluminum ingots in the material preheating pipe to move into the feeding pipe;

the hot gas conveying pipe is communicated with the gas supply pipe and is used for conveying hot gas provided by the gas supply pipe into the material preheating pipe;

the sealing mechanism is arranged at the end parts of the material preheating pipe and the hot gas conveying pipe and is used for preventing the hot gas in the dissolving furnace from flowing away through the gas supply pipe and the charging pipe, the hot gas in the material preheating pipe and the hot gas in the hot gas conveying pipe when the dissolving furnace dumps the dissolved materials;

the sealing mechanism includes: the arc-shaped baffle plate is fixed at the end parts of the material preheating pipe and the hot gas conveying pipe and can slide in the arc-shaped baffle plate through a spring; the end part of the air supply pipe and the end part of the feeding pipe are sealed in a sliding way in a first sliding groove formed in the arc-shaped plate, and the arc-shaped baffle plate can slide to the end part of the material preheating pipe and the end part of the hot air conveying pipe to be sealed.

In order to further achieve the above object, the embodiments of the present invention further provide the following technical solutions:

further, a second sliding groove is formed in the arc-shaped plate, and the arc-shaped baffle plate slides through a limiting rod arranged in the second sliding groove and a spring sleeved outside the limiting rod.

Further, the sealing plate is rotatably arranged inside the material preheating pipe through a limiting torsion rotating shaft, and the size of the sealing plate is matched with the inner size of the material preheating pipe.

Furthermore, the conveying mechanism comprises a fixed pipe arranged at the bottom of the material preheating pipe, a conveying belt arranged in the fixed pipe, and a push plate fixed on the surface of the belt body of the conveying belt and used for pushing the aluminum ingots to move.

Furthermore, the hot gas conveying pipe is provided with a plurality of pipe heads communicated with the interior of the material preheating pipe, and the plurality of pipe heads are respectively positioned above the aluminum ingots in the material preheating pipe.

Further, the end size of the gas supply pipe is matched with the end size of the hot gas conveying pipe, and the end of the gas supply pipe is in butt joint with the end of the hot gas conveying pipe.

Furthermore, the size of the end part of the feeding pipe is matched with that of the end part of the material preheating pipe, and the end part of the feeding pipe is in butt joint with the end part of the material preheating pipe.

Further, the material preheating pipe is arranged on the ground through a fixing frame, and a storage bin is arranged at the top of the material preheating pipe.

The embodiment of the invention has the beneficial effects that:

dissolve the stove and take place to rotate when empting its inside dissolved material, dissolve the air supply pipe that sets up on the stove and feed pipe sliding seal in the inside first spout of seting up of arc, prevent that steam from losing, when the feed pipe on dissolving the stove removes, cowl removes under the effect of spring, make its tip of sealing material preheating tube and steam conveyer pipe in preheating the charging system, seal dissolving the stove and preheating the hot gas channel between the charging system promptly, in order to reach the purpose that the heat lost in a large number when preventing to empty the material.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention in a material pouring configuration;

FIG. 3 is a front view of the present invention;

FIG. 4 is a schematic view of the seal mechanism of the present invention;

FIG. 5 is a schematic cross-sectional view of the sealing mechanism of the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 5;

FIG. 7 is a schematic cross-sectional view from a first perspective of the material preheater tube of the present invention;

FIG. 8 is a schematic cross-sectional view from a second perspective of the material preheater tube of the present invention;

FIG. 9 is a schematic cross-sectional view from a third perspective of the material preheater tube according to the present invention;

fig. 10 is a schematic view of the structure of the curved baffle of the present invention.

In the figure: 1. a dissolving furnace; 2. a preheating charging system; 3. a gas supply pipe; 4. a feed tube; 5. a fixed mount; 6. a material preheating pipe; 7. an aluminum ingot; 8. a transport mechanism; 801. a fixed tube; 802. a conveyor belt; 803. pushing the plate; 9. a hot gas delivery pipe; 10. a sealing mechanism; 101. an arc-shaped plate; 102. a spring; 103. an arc-shaped baffle plate; 104. a first chute; 105. a second chute; 106. a limiting rod; 107. a slider; 11. a sealing plate; 12. a storage bin.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

Referring to fig. 1 to 10, the embodiment of the invention discloses an aluminum liquid continuous dissolving furnace: including setting up subaerial tilting connection formula dissolving furnace 1, the setting is used for preheating material aluminium ingot 7 on dissolving furnace 1 preheats charging system 2, the top of dissolving furnace 1 is provided with the air supply pipe 3 that is used for extracting 1 inside steam of dissolving furnace and is used for the filling tube 4 to dissolving 1 inside aluminium ingot 7 of furnace, air supply pipe 3 can take out the steam in dissolving furnace 1 through purifying the fan, but air supply pipe 3 is not same mechanism with the blast pipe of dissolving furnace 1, this technique is common technique, consequently, do not do specific description again, it includes to preheat charging system 2: the material preheating pipe 6 is used for preheating an aluminum ingot 7 in the material preheating pipe 6, and the aluminum ingot 7 is preheated in the material preheating pipe 6 before being added into the dissolving furnace 1, specifically, the aluminum ingot 7 is preheated by hot air transmitted in the air supply pipe 3 and the hot air conveying pipe 9; the conveying mechanism 8 is used for driving the aluminum ingots 7 in the material preheating pipe 6 to move into the feeding pipe 4, and the actual feeding work is finished through the conveying mechanism 8; the hot gas conveying pipe 9 is communicated with the gas supply pipe 3 and is used for conveying hot gas provided by the gas supply pipe 3 into the material preheating pipe 6 and conveying the hot gas provided by the gas supply pipe 3 into the material preheating pipe 6 so as to heat the aluminum ingot 7 in the material preheating pipe 6; the sealing mechanism 10 is arranged at the end parts of the material preheating pipe 6 and the hot gas conveying pipe 9, and the end parts of the material preheating pipe 6 and the hot gas conveying pipe 9 are aligned with the inside of the sealing mechanism 10 and used for preventing hot gas inside the dissolving furnace 1 from flowing away through the gas supply pipe 3 and the charging pipe 4, hot gas inside the material preheating pipe 6 and hot gas inside the hot gas conveying pipe 9 when the dissolving furnace 1 dumps dissolved materials inside; the seal mechanism 10 includes: an arc-shaped plate 101 fixed at the end parts of the material preheating pipe 6 and the hot gas conveying pipe 9, and an arc-shaped baffle plate 103 which can slide in the arc-shaped plate 101 through a spring 102; the end part of the gas supply pipe 3 and the end part of the feeding pipe 4 are sealed in a first sliding chute 104 arranged in the arc-shaped plate 101 in a sliding way, and the arc-shaped baffle plate 103 can slide to the end part of the material preheating pipe 6 and the end part of the hot gas conveying pipe 9 for sealing;

in actual use, as shown in fig. 2, the melting furnace 1 rotates when pouring the aluminum ingot 7 melted therein, the gas supply pipe 3 and the feed pipe 4 provided in the melting furnace 1 rotate accordingly, the gas supply pipe 3 and the feed pipe 4 are slidably sealed in the first chute 104 provided in the arc-shaped plate 101 to prevent loss of hot gas, when the charging pipe 4 on the melting furnace 1 moves, the arc baffle plate 103 moves under the action of the spring 102, so that the arc baffle plate is sealed at the end parts of the material preheating pipe 6 and the hot gas conveying pipe 9 in the preheating charging system 2, the gas supply pipe 3 and the hot gas conveying pipe 9, and the charging pipe 4 and the material preheating pipe 6 are equivalent to a hot gas channel between the melting furnace 1 and the preheating charging system 2 to seal the hot gas channel, namely, the hot gas channel between the melting furnace 1 and the preheating charging system 2 is sealed, so that the purpose of preventing a large amount of heat loss when the materials are dumped is achieved.

As a further extension of the above embodiment: a second sliding groove 105 is formed in the arc-shaped plate 101, the arc-shaped baffle plate 103 slides through a limiting rod 106 arranged in the second sliding groove 105 and a spring 102 sleeved outside the limiting rod 106, the limiting rod 106 has a certain radian, the radian of the limiting rod 106 is the same as that of the arc-shaped plate 101, so that the arc-shaped baffle plate 103 can slide on the limiting rod 106, sliding blocks 107 with penetrating holes formed in the inner parts are further arranged on two sides of the arc-shaped baffle plate 103, the sliding blocks 107 slide outside the limiting rod 106, and the arc-shaped baffle plate 103 slides outside the limiting rod 106 through the sliding blocks 107;

the length of cowl 103 is the same as the length of second spout 105, make cowl 103 slide in second spout 105, prevent that cowl 103 from excessively sliding to first spout 104 in, and cowl 103's length is greater than the interval between hot gas conveying pipe 9 and the material preheating pipe 6, cowl 103's width is greater than the width of material preheating pipe 6 and the width of hot gas conveying pipe 9, make cowl 103 can seal material preheating pipe 6 and hot gas conveying pipe 9.

As a further extension of the above embodiment: conveying mechanism 8 is including setting up fixed pipe 801 in material preheating pipe 6 bottom, set up the conveyer belt 802 inside fixed pipe 801, fix the push pedal 803 that the area body surface of conveyer belt 802 is used for promoting aluminium ingot 7 to remove, during the in-service use, the conveyer belt 802 inside fixed pipe 801 rotates, the push pedal 803 on its area body surface moves along with it after conveyer belt 802 rotates, after push pedal 803 and aluminium ingot 7 contact, promote aluminium ingot 7 to move, can push aluminium ingot 7 into filling tube 4 through push pedal 803 along with the removal of conveyer belt 802, aluminium ingot 7 falls into dissolving furnace 1 from filling tube 4, can accomplish charging work.

As a further extension of the above embodiment: steam conveyer pipe 9 is provided with a plurality of tube heads that are linked together with material preheater tube 6 is inside, a plurality of tube heads are located the top of the inside aluminium ingot 7 of material preheater tube 6 respectively, steam conveyer pipe 9 carries the steam that air supply pipe 3 provided to material preheater tube 6 through a plurality of tube heads, a plurality of tube heads are located aluminium ingot 7 directly over respectively, make steam in a plurality of tube heads can heat a plurality of aluminium ingots 7 respectively, make the heating more abundant, be convenient for preheat going on of work.

As a further limitation of the above embodiment: the tip of air supply pipe 3, the tip of filling tube 4, the tip of material preheater tube 6, the tip of steam conveyer pipe 9 all are provided with high temperature resistant sealing material to satisfy the sliding seal demand, above-mentioned material is common technical means, consequently no longer gives unnecessary details one by one.

As a further limitation of the above embodiment: as shown in fig. 3, the position of the center of the arc plate 101 is identical to the position of the rotation center shaft of the dissolution furnace 1, the position of the center of the arc plate 101 is identical to the position of the center of the arc baffle 103, so that the position of the center of the arc plate 101 is identical to the position of the rotation center shaft of the dissolution furnace 1, when the dissolution furnace 1 rotates, the air supply pipe 3 and the feed pipe 4 on the dissolution furnace 1 can be always sealed in the first chute 104 of the arc plate 101 in a sliding manner, so that the position of the center of the arc plate 101 is identical to the position of the center of the arc baffle 103, and the arc baffle 103 can stably slide in the arc plate 101.

As a further limitation of the above embodiment: the end part size of the gas supply pipe 3 is matched with that of the hot gas conveying pipe 9, and the end part of the gas supply pipe 3 is butted with that of the hot gas conveying pipe 9, so that hot gas in the gas supply pipe 3 can be conveyed into the hot gas conveying pipe 9; the tip size of filling tube 4 and the tip size looks adaptation of material preheater tube 6, the tip of filling tube 4 and the butt joint of the tip of material preheater tube 6 guarantee that aluminium ingot 7 can normally get into in the filling tube 4 from material preheater tube 6, and a small amount of steam in the filling tube 4 can get into in the material preheater tube 6 and be used for preheating.

As an embodiment of the present invention: the material preheating pipe 6 is arranged on the ground through the fixing frame 5, the storage bin 12 is arranged at the top of the material preheating pipe 6, the aluminum ingot 7 is firstly added into the storage bin 12, the aluminum ingot 7 is added into the dissolving furnace 1 along with the conveying mechanism 8, and the conveying mechanism 8 adds the material in the storage bin 12 into the material preheating pipe 6, so that the normal feeding operation can be ensured only by ensuring that the aluminum ingot 7 in the storage bin 12 is sufficient;

the sealing plate 11 is rotatably arranged inside the material preheating pipe 6 through a limiting torsion rotating shaft, the size of the sealing plate 11 is matched with the size inside the material preheating pipe 6, as shown in figure 9, when the preheating is carried out, the sealing plate 11 seals the material preheating pipe 6, firstly, the hot gas in the material preheating pipe 6 can be ensured not to be lost, the hot gas loss is prevented from influencing the material preheating effect in the material preheating pipe 6, secondly, hot gas can not flow into the storage bin 12 through the material preheating pipe 6, the user can be prevented from being scalded when the user feeds the storage bin 12 after the hot gas flows into the storage bin 12, when the conveying mechanism 8 pushes the aluminum ingot 7 to move, the aluminum ingot 7 pushes the sealing plate 11 open, and after the aluminum ingot 7 moves to the other side of the sealing plate 11, the sealing plate 11 rotates into the material preheating pipe 6 under the action of the limiting torsion rotating shaft, and the material preheating pipe 6 is continuously sealed; when the aluminum ingot 7 moves to push the sealing plate 11 open, only a small gap exists among the sealing plate 11, the aluminum ingot 7 and the material preheating pipe 6, the time of the gap is extremely short, the hot air lost in the material preheating pipe 6 in the extremely short time is limited, the influence on the preheating work performed in the material preheating pipe 6 can be ignored, and after a small amount of hot air flows into the storage bin 12 from the material preheating pipe 6, the heat is absorbed by the aluminum ingot 7 placed in the storage bin 12, so that the temperature of the small amount of hot air is sharply reduced, namely, the small amount of hot air can not scald a user.

The invention mainly comprises the following working steps in practical use:

when materials are poured, the dissolving furnace 1 rotates when an aluminum ingot 7 dissolved in the dissolving furnace 1 is poured, the air supply pipe 3 and the feeding pipe 4 arranged on the dissolving furnace 1 rotate along with the rotation, the air supply pipe 3 and the feeding pipe 4 are sealed in the first sliding chute 104 formed in the arc-shaped plate 101 in a sliding mode to prevent hot air from flowing away, when the feeding pipe 4 on the dissolving furnace 1 moves, the arc-shaped baffle plate 103 moves under the action of the spring 102 to enable the arc-shaped baffle plate to move and seal the end portions of the material preheating pipe 6 and the hot air conveying pipe 9 in the preheating feeding system 2, and the air supply pipe 3, the hot air conveying pipe 9, the feeding pipe 4 and the material preheating pipe 6 are equivalent to a hot air channel between the dissolving furnace 1 and the preheating feeding system 2, namely the hot air channel is sealed;

when preheating is carried out, the air supply pipe 3 extracts hot air in the dissolving furnace 1, and then the hot air is transmitted into the material preheating pipe 6 through the hot air conveying pipe 9, so that the aluminum ingot 7 in the material preheating pipe 6 is preheated by the hot air, and the material preheating pipe 6 is communicated with the feeding pipe 4, so that part of the hot air in the dissolving furnace 1 circulates into the material preheating pipe 6 through the feeding pipe 4 to preheat the aluminum ingot 7 in the material preheating pipe 6;

when the preheating operation is carried out, the sealing plate 11 in the material preheating pipe 6 seals the material preheating pipe 6, so that the hot gas in the material preheating pipe 6 is prevented from losing, and the hot gas in the material preheating pipe 6 can be prevented from flowing into the storage bin 12;

when feeding, the conveyor belt 802 in the conveying mechanism 8 rotates, so that the push plate 803 on the conveyor belt 802 moves, the push plate 803 pushes the aluminum ingot 7 in the material preheating pipe 6 to move, and the aluminum ingot 7 is pushed into the dissolving furnace 1, so that feeding is completed.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.