阅读说明：本技术 一种高效节能的马蹄焰熔炉 (Energy-efficient horse-shoe flame smelting pot ) 是由 冯朝辉 唐菊芳 方建波 欧庆陵 于 2019-09-27 设计创作，主要内容包括：本发明涉及玻璃融化设备领域,具体为一种高效节能的马蹄焰熔炉,包括熔化池、进料装置和鼓泡系统,熔化池的前端侧壁上固定有一个喷火口,熔化池的顶部大碹处设置有调角机构,且调角机构位于熔化池内侧的一端铰接有聚热机构,聚热机构包括压火板和聚热导板,聚热导板的开口指向熔化池的前端侧壁,聚热导板呈U形板状,并能够对喷火口喷出的火焰气流进行回旋聚拢,聚热导板固定连接在压火板的下表面,且压火板的上表面与调角机构铰接连接。该种高效节能的马蹄焰熔炉,通过设置聚热机构对喷火口喷出的火焰气流改变走向轨迹,从而节省能源,提高热效,提高设备的使用寿命,降低设备损耗和投入成本。(The invention relates to the field of glass melting equipment, in particular to a high-efficiency and energy-saving horseshoe flame melting furnace which comprises a melting tank, a feeding device and a bubbling system, wherein a flame jet is fixed on the side wall of the front end of the melting tank, an angle adjusting mechanism is arranged at the big arch position of the top of the melting tank, one end, positioned on the inner side of the melting tank, of the angle adjusting mechanism is hinged with a heat gathering mechanism, the heat gathering mechanism comprises a flame pressing plate and a heat gathering guide plate, the opening of the heat gathering guide plate points to the side wall of the front end of the melting tank, the heat gathering guide plate is in a U-shaped plate shape and can convolute and gather flame airflow sprayed out from the flame jet, the heat gathering guide plate is fixedly connected to the lower surface of the flame pressing plate, and the upper surface of the flame. This kind of energy-efficient horse shoe flame smelting pot changes the trend orbit to the flame air current of bocca spun through setting up heat gathering mechanism to the energy can be saved improves the heat efficiency, improve equipment's life, reduces equipment loss and input cost.)

1. The utility model provides an energy-efficient horse-shoe flame smelting pot, includes melting tank (1), feed arrangement (4) and bubbling system (5), feed inlet (3) have been seted up on the front end lateral wall of melting tank (1), and feed inlet (3) department sets up feed arrangement (4), bubbling system (5) set up in the front portion of melting tank (1), its characterized in that: a flame jet (2) is fixed on the side wall of the front end of the melting tank (1), an angle adjusting mechanism is arranged at the top arch of the melting tank (1), and one end of the angle adjusting mechanism, which is positioned at the inner side of the melting tank (1), is hinged with a heat collecting mechanism;

the heat gathering mechanism comprises a fire pressing plate (9) and a heat gathering guide plate (6), an opening of the heat gathering guide plate (6) points to the side wall of the front end of the melting tank (1), the fire ejecting opening (2) is located on the inner side of the opening of the heat gathering guide plate (6), the heat gathering guide plate (6) is in a U-shaped plate shape, and flame airflow ejected by the fire ejecting opening (2) can be convoluted and gathered;

the heat-collecting guide plate (6) is fixedly connected to the lower surface of the fire pressing plate (9), and the upper surface of the fire pressing plate (9) is hinged to the angle adjusting mechanism.

2. An energy efficient horse shoe flame furnace as claimed in claim 1 wherein: gather the open end of heat conduction board (6) inwards and extend the integration perpendicularly and be fixed with extension board (8), and gather between the lateral wall of two straight section distances corresponding melting tank (1) of heat conduction board (6) 350mm-550mm, extension board (8) distance melting side front end lateral wall is not less than 300mm, and the length of extension board (8) is not more than 200 mm.

3. An energy efficient horse shoe flame furnace as claimed in claim 2 wherein: the flame-throwing nozzle (2) is positioned between the two extension plates (8), one side of the flame-throwing nozzle (2) close to the feed inlet (3) is provided, and the lower side edge of one flat straight section of the heat-gathering guide plate (6) close to the feed inlet (3) is fixed with an inward-inclined apron plate (7).

4. An energy efficient horse shoe flame furnace as claimed in claim 1 wherein: the angle adjusting mechanism comprises a first screw (14) and a second screw (15), the first screw (14) and the second screw (15) are arranged along the direction of a longitudinal axis of the melting tank (1), the first screw (14) and the second screw (15) are parallel to each other, I-shaped rotating sleeves (16) are sleeved on the outer sides of the first screw (14) and the second screw (15) in a threaded manner, and the rotating sleeves (16) are connected to the crown at the top of the melting tank (1) in a fixed-axis rotating manner.

5. An energy efficient horse shoe flame furnace as claimed in claim 4 wherein: the first screw (14) and the second screw (15) are vertically connected to the top arch of the melting tank (1), the lower end of the screw (14) is hinged to the upper surface of the fire pressing plate (9), and the lower end of the second screw (15) is hinged to the upper surface of the fire pressing plate (9) through a connecting rod (17).

6. An energy efficient horse shoe flame furnace as claimed in claim 5 wherein: the lower fixed surface of pressure fire board (9) has boss (10), and boss (10) are located the inboard that gathers heat baffle (6), the lower extreme of boss (10) is fixed with the bulge loop, and the rotatable swivel (11) that has cup jointed in boss (10) outside, the activity of the lower ring face of swivel (11) has inlayed a plurality of balls (13) to through ball (13) and bulge loop roll connection, the lateral surface of swivel (11) is fixed with a plurality of acanthus leaf (12), and is a plurality of acanthus leaf (12) move towards equidistant arrangement along the circumference of swivel (11).

7. An energy efficient horse shoe flame furnace as claimed in claim 1 wherein: the feeding device (4) comprises a feeding box (25) fixed on the hanger (24), and a feeding control box (26) used for adjusting feeding amount is fixed at a feeding port at the lower end of the feeding box (25).

8. An energy efficient horse shoe flame furnace as claimed in claim 7 wherein: the feeding device (4) further comprises a guide chute (28) which is hoisted below the hanger (26) through a hanging rod (27), the feeding end of the guide chute (28) is positioned under the feeding box (25), the discharging end of the guide chute (28) is positioned above the feeding hole (3), and a material receiving hopper (29) for receiving materials is fixed at the feeding hole (3).

9. An energy efficient horse shoe flame furnace as claimed in claim 1 wherein: bubbling mechanism (5) include a plurality of bubbling guns (21), air feed mechanism (22) to bubbling gun (21) air feed and to bubbling gun (21) cooling's hydrologic cycle cooling mechanism (23), the inlet port of bubbling gun (21) passes through intake pipe (10) and is connected with air feed mechanism (22), the outlet end of hydrologic cycle cooling mechanism (23) is connected through inlet manifold (19) to the inlet port of bubbling gun (21), the inlet end of hydrologic cycle cooling mechanism (23) is connected through return manifold (20) to the outlet port of bubbling gun (21).

10. An energy efficient horse shoe flame furnace as claimed in claim 9 wherein: the plurality of bubble guns (21) are arranged side by side in a straight line shape, the arrangement direction of the bubble guns is vertical to the longitudinal axis of the melting tank (1), and the bubble guns (21) are positioned below the middle part of the heat collecting guide plate (6).

Technical Field

The invention relates to the field of glass melting equipment, in particular to a high-efficiency and energy-saving horseshoe flame melting furnace.

Background

The horse shoe flame furnace is a commonly used furnace for melting and mixing glass raw materials. When the horseshoe flame furnace works, feeding is one of important process links in the melting process, and the feeding is related to the melting speed of batch materials, the hot spot position of a melting area and the stability of a bubble boundary line, so that the quality and the yield of products are influenced finally. The existing horseshoe flame smelting furnace adopts a plurality of groups of flame smelting furnaces which are arranged in parallel, and sprays straight flames to heat and melt glass materials in a smelting pool, so that the high-temperature position of the head of the flame is close to a cooling section at the tail end of the smelting pool, the cooling and cooling of glass liquid are influenced, the production efficiency is reduced, the energy consumption is increased, in addition, floating slag and the like which are not melted at a feed inlet under the action of airflow after the flame is sprayed out flow to the tail end of the smelting pool along with the acceleration of the airflow of the flame, the glass liquid contains solid materials, the quality of produced products is reduced, the yield is reduced, and the risk of blocking a flow channel of the whole equipment is also generated.

Disclosure of Invention

The invention aims to provide a horseshoe flame furnace with high efficiency and energy saving, so as to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an energy-efficient horse shoe flame smelting pot, including melting the pond, feed arrangement and bubbling system, the feed inlet has been seted up on the front end lateral wall of melting the pond, and feed inlet department sets up feed arrangement, bubbling system sets up the front portion at melting the pond, be fixed with a flame jet on melting the front end lateral wall of pond, the big arch department in top of melting the pond is provided with angle modulation mechanism, and angle modulation mechanism is located that the one end of melting the pond inboard articulates there is heat gathering mechanism, heat gathering mechanism includes fire suppression board and heat gathering baffle, the directional front end lateral wall of melting the pond of opening of heat gathering baffle, and flame jet is located the opening inboard of heat gathering baffle, and heat gathering baffle is the U-shaped platelike, and can gather together the flame air current of flame jet spun, heat gathering baffle fixed connection is at the lower surface of fire suppression board, and the upper surface of fire suppression board is connected with angle modulation mechanism is articulated.

Preferably, the opening end of the heat collecting guide plate extends inwards vertically to be integrally fixed with an extension plate, the distance between two straight sections of the heat collecting guide plate and the corresponding side wall of the melting tank is 350-550 mm, the distance between the extension plate and the side wall of the front end of the melting side is not less than 300mm, and the length of the extension plate is not more than 200 mm.

Preferably, the fire-jet is located between two extension boards, and the fire-jet is close to one side of feed inlet, gathers that the heat conduction board is close to the lower side limit of a straight section of feed inlet and is fixed with the skirtboard of inside slope.

Preferably, the angle adjusting mechanism comprises a screw rod I and a screw rod II, the screw rod I and the screw rod II are arranged along the direction of a longitudinal axis of the melting tank and are parallel to each other, I-shaped rotating sleeves are sleeved on the outer sides of the screw rod I and the screw rod II in a threaded manner, and fixed shafts of the rotating sleeves are rotatably connected to a main arch at the top of the melting tank.

Preferably, the first screw and the second screw are both vertically connected to the crown at the top of the melting tank, the lower end of the screw is hinged to the upper surface of the fire pressing plate, and the lower end of the second screw is hinged to the upper surface of the fire pressing plate through a connecting rod.

Preferably, the lower fixed surface of pressure fire board has the boss, and the boss is located the inboard that gathers hot baffle, and the lower extreme of boss is fixed with the bulge loop, and the rotatable change that has cup jointed in the boss outside, and the activity scarf joint of the lower ring face of change has a plurality of balls to through ball and bulge loop roll connection, the lateral surface of change is fixed with a plurality of acanthus leaf, and is a plurality of the acanthus leaf is along the equidistant arrangement of the circumference trend of change.

Preferably, the feeding device comprises a feeding box fixed on the hanger, and a feeding control box for adjusting the feeding amount is fixed at a feeding port at the lower end of the feeding box.

Preferably, the feeding device further comprises a guide chute hoisted below the hanger through a hoisting rod, the feeding end of the guide chute is located under the feeding box, the discharging end of the guide chute is located above the feeding hole, and a material receiving hopper used for receiving materials is fixed at the feeding hole.

Preferably, the bubbling mechanism comprises a plurality of bubbling guns, an air supply mechanism for supplying air to the bubbling guns, and a water circulating cooling mechanism for cooling the bubbling guns, wherein the air inlet ports of the bubbling guns are connected with the air supply mechanism through air inlet pipes, the water inlet ports of the bubbling guns are connected with the water outlet end of the water circulating cooling mechanism through water inlet main pipes, and the water outlet ports of the bubbling guns are connected with the water inlet end of the water circulating cooling mechanism through water return main pipes.

Preferably, a plurality of the bubbling guns are arranged side by side in a straight line shape, the arrangement direction of the bubbling guns is perpendicular to the longitudinal axis of the melting tank, and the bubbling guns are positioned below the middle part of the heat collecting plate.

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

in the invention, a group of fire spouts are arranged in the melting tank, and the flame flow is changed from a linear trend track to a rotary vortex track under the guiding action of the heat-conducting and heat-collecting guide plate, so that on one hand, the flame is prevented from extending to the tail cooling section of the melting tank, thereby reducing the heat loss, saving the energy and improving the cooling efficiency, and on the other hand, the group of fire spouts is adopted, thereby reducing the equipment complexity and reducing the maintenance difficulty, and on the other hand, the high-temperature area at the end part of the flame is kept in the inner side area of the heat-collecting guide plate after being rotated back, thereby improving the temperature at the front end of the melting tank, further improving the rapid and efficient melting of the glass raw materials input at the feed inlet, improving the production efficiency, and the rotary flame airflow can enable the scum floating on the surface of the glass liquid to flow together, and hinder the scum from flowing to, the production quality of the product is further improved, the service life of the equipment is prolonged, and the maintenance expenditure is reduced;

according to the invention, the fire pressing plate is fixed on the heat-collecting guide plate and has the functions of pressing flame sprayed out from the fire spraying port to the liquid level of molten glass, so that the temperature of the liquid level of the molten glass is improved, the melting efficiency of glass raw materials is improved, the energy consumption is reduced at any time, the high-temperature flame can be blocked, the high-temperature damage to a crown at the top of a melting tank is reduced, the inclination angle and the height from the liquid level of the molten glass of the fire pressing plate can be adjusted through the angle adjusting mechanism, the practicability is high, the operation is adjusted from the outside of equipment, the non-stop operation can be realized, the operation is simple and convenient, the safety is high, and the production continuity of;

according to the invention, the heat guide plate guides and gathers flame of flaming, so that heat collection is realized, and heat insulation is also realized.

Drawings

FIG. 1 is a first schematic cross-sectional view of the assembly of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;

fig. 3 is a schematic view of a cross-sectional structure B-B in fig. 1.

In the figure: 1-a melting tank; 2-a flame-throwing port; 3-a feed inlet; 4-a feeding device; 5-a bubbling system; 6-heat collecting guide plate; 7-skirting board; 8-an inner extension plate; 9-a fire pressing plate; 10-boss; 11-swivel; 12-a leaf plate; 13-a ball bearing; 14-screw rod one; 15-screw II; 16-rotating sleeve; 17-a connecting rod; 18-an air inlet pipe; 19-a water inlet main pipe; 20-a water return main pipe; 21-bubble gun; 22-a gas supply mechanism; 23-a water circulation cooling mechanism; 24-a hanger; 25-feeding box; 26-material control box; 27-a boom; 28-a material guide groove; 29-feeding hopper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an efficient and energy-saving horseshoe flame smelting furnace comprises a smelting tank 1, a feeding device 4 and a bubbling system 5, wherein a feeding hole 3 is formed in the front end side wall of the smelting tank 1, the feeding device 4 is arranged at the position of the feeding hole 3, the bubbling system 5 is arranged in the front of the smelting tank 1, a fire spraying port 2 is fixed on the front end side wall of the smelting tank 1, an angle adjusting mechanism is arranged at the top big arch position of the smelting tank 1, a heat gathering mechanism is hinged to one end, located on the inner side of the smelting tank 1, of the angle adjusting mechanism and is made of high-temperature-resistant ceramics and the like, the heat gathering mechanism comprises a fire pressing plate 9 and a heat gathering guide plate 6, an opening of the heat gathering guide plate 6 points to the front end side wall of the smelting tank 1, the fire spraying port 2 is located on the inner side of an opening of the heat gathering guide plate 6, the heat gathering guide plate 6 is in a U-shaped plate shape and can gather flame airflow sprayed from the fire spraying port 2, the heat gathering guide plate 6 is fixedly connected, and the upper surface of the fire suppression plate 9 is hinged with the angle adjusting mechanism.

In this embodiment, the opening end of the heat collecting and guiding plate 6 extends inwards vertically and is integrally fixed with an extending plate 8, the distance between two straight sections of the heat collecting and guiding plate 6 and the corresponding side wall of the melting tank 1 is 350mm-550mm, the distance between the extending plate 8 and the side wall of the front end of the melting side is not less than 300mm, and the length of the extending plate 8 is not more than 200 mm.

In this embodiment, the fire hole 2 is located between two extension plates 8, and the fire hole 2 is close to one side of the feed inlet 3, and the lower side edge of one flat section of the heat-collecting guide plate 6 close to the feed inlet 3 is fixed with an inward-inclined apron plate 7.

In this embodiment, the angle adjusting mechanism includes a first screw 14 and a second screw 15, the first screw 14 and the second screw 15 are arranged along the direction of the longitudinal axis of the melting tank 1, the first screw 14 and the second screw 15 are parallel to each other, the outer sides of the first screw 14 and the second screw 15 are respectively in threaded sleeve connection with an i-shaped rotating sleeve 16, and the rotating sleeve 16 is connected to the crown at the top of the melting tank 1 in a fixed-axis rotating manner.

In this embodiment, the first screw 14 and the second screw 15 are both vertically connected to the crown of the top of the melting tank 1, the lower end of the screw 14 is hinged to the upper surface of the fire pressing plate 9, and the lower end of the second screw 15 is hinged to the upper surface of the fire pressing plate 9 through the connecting rod 17.

In this embodiment, the lower surface of the suppressing board 9 is fixed with a boss 10, the boss 10 is located on the inner side of the heat collecting guide board 6, the lower end of the boss 10 is fixed with a convex ring, the outer side of the boss 10 is rotatably sleeved with a rotating ring 11, the lower annular surface of the rotating ring 11 is movably embedded with a plurality of balls 13 and is in rolling connection with the convex ring through the balls 13, the outer side surface of the rotating ring 11 is fixed with a plurality of blades 12, and the blades 12 are arranged at equal intervals along the circumferential direction of the rotating ring 11.

In this embodiment, the feeding device 4 includes a feeding box 25 fixed on the hanger 24, and a feeding control box 26 for adjusting the feeding amount is fixed at the feeding port at the lower end of the feeding box 25.

In this embodiment, the feeding device 4 further includes a material guiding chute 28 suspended below the suspension bracket 26 through a suspension rod 27, a feeding end of the material guiding chute 28 is located right below the material feeding box 25, a discharging end of the material guiding chute 28 is located above the material feeding port 3, and a material receiving hopper 29 for receiving materials is fixed at the material feeding port 3.

In this embodiment, the bubbling mechanism 5 includes a plurality of bubbling guns 21, an air supply mechanism 22 for supplying air to the bubbling guns 21, and a water circulation cooling mechanism 23 for cooling the bubbling guns 21, an air inlet of the bubbling guns 21 is connected to the air supply mechanism 22 through an air inlet pipe 10, an water inlet of the bubbling guns 21 is connected to a water outlet of the water circulation cooling mechanism 23 through a water inlet main pipe 19, and a water outlet of the bubbling guns 21 is connected to a water inlet of the water circulation cooling mechanism 23 through a water return main pipe 20.

In this embodiment, a plurality of the bubbling guns 21 are arranged side by side in a straight line, and the arrangement direction is perpendicular to the longitudinal axis of the melting tank 1, and the bubbling guns 21 are located below the middle of the heat collecting guide plate 6.

The use method and the advantages of the invention are as follows: when the high-efficiency energy-saving horseshoe flame smelting furnace is used, the working process is as follows:

the feeding process comprises the following steps: according to the actual production requirement, the feeding amount of the glass raw materials fed into the feeding box 25 is adjusted and controlled through the feeding control box 26, the glass raw materials fed out from the feeding box 25 are guided to the feeding hopper 29 through the guide chute 28 and are fed into the melting tank 1 from the feeding port 3 on the side wall of the melting tank 1, so that the feeding operation is realized, wherein the hanger rod 27 in the feeding device 4 adopts an adjustable structure, so that the inclination angle of the guide chute 28 can be adjusted in an auxiliary manner, and the feeding speed is adjusted;

flame spraying and heating: the gasified fuel is sprayed out through the fire nozzles 2, after the fuel gas flow is sprayed and ignited, the gas flow flows along the inner side wall of the heat-collecting guide plate 6, so that a flame flow taking the inner wall trend of the heat-collecting guide plate 6 as a running track is formed, the flame can form a convolution under the guiding action of the heat-collecting guide plate 6 after being sprayed out, the existing linear trend track is changed into a convolution vortex-shaped track, on one hand, the flame is prevented from extending to the tail section cooling section of the melting tank 1, so that the heat loss is reduced, the energy is saved, the cooling efficiency is improved, in addition, a group of fire nozzles 2 are adopted, the equipment complexity is reduced, the maintenance difficulty is reduced, on the other hand, the flame end part high-temperature area keeps in the inner side area of the heat-collecting guide plate 6 after being convoluted, the temperature at the front end of the melting tank 1 is improved, and the, the production efficiency is improved, and the swirling flame airflow can enable scum floating on the surface of the glass liquid to flow together and block the time for the scum to flow to the tail end of the melting tank 1, so that the scum melting efficiency is greatly improved, the production quality of products is further improved, the service life of equipment is prolonged, and the maintenance expenditure is reduced;

when the flame jet 2 jets flame, the flow of flame airflow acts on the blades 12 on the rotating ring 11, so that the blades 12 drive the rotating ring 11 to rotate around the boss 10, the flame airflow forms turbulent flow in the heat-collecting guide plate 6 and is mixed with the rotation of the blades 12, on one hand, the sufficient combustion of gasified fuel is facilitated, the heat effect is improved, on the other hand, the temperature distribution in the range of the heat-collecting guide plate 6 is facilitated to be homogenized, so that the glass raw material is efficiently and uniformly melted, the generation amount of scum is reduced, and further, the melting efficiency and the product quality of the glass raw material are facilitated to be improved;

the inclination angle of the fire pressing plate 9 can be adjusted through the angle adjusting mechanism, during adjustment, the height difference of the front end and the rear end of the fire pressing plate 9 is adjusted by respectively rotating the first screw 14 and the second screw 15, so that the adjustment of the inclination angle of the fire pressing plate 9 is realized, the fire pressing plate 9 is used for pressing flame sprayed out from the fire spraying port 2 to the liquid level of molten glass, so that the temperature of the liquid level of the molten glass is improved, the melting efficiency of glass raw materials is improved, the energy consumption is reduced at any time, high-temperature flame can be blocked, the high-temperature damage to a big arch at the top of the melting tank 1 is reduced, the heights of the fire pressing plate 9 and the liquid level of the molten glass can also be adjusted through the angle adjusting mechanism, the practicability is high, the non-stop operation can be realized by adjusting operation from the outside of equipment;

the heat-collecting guide plate 6 is close to one side of the feed inlet 3, so that on one hand, the protection effect on the inner wall of the melting tank 1 is achieved, on the other hand, the heat loss at the feed inlet 3 is reduced, the safety of external workers in observation and detection of the inner side of the feed inlet 3 is improved, and the apron plate 7 plays a role in blocking and guiding flame airflow to prevent flame from leaking to the feed inlet from the lower side edge of the heat-collecting guide plate 6;

the heat-collecting guide plate 6 is used for guiding and collecting flame of flaming, heat insulation is achieved at the same time, and high-temperature damage of high-temperature flame to the side wall and the top arch of the melting tank 1 is greatly reduced under the action of the heat-collecting guide plate 6 and the fire suppressing plate 9, so that the service life of refractory materials on the side wall and the top arch of the melting tank 1 is prolonged, the stability of the refractory materials in the using process is improved, the service life of equipment is further prolonged, the equipment loss is reduced, and the equipment investment cost is reduced;

and (3) bubbling operation: the gas supply mechanism 22 conveys clean gas to the inside of the bubbling gun 21 through the gas inlet pipe 18 and conveys the clean gas to the molten glass by the bubbling gun 21 so as to form bubbles, the bubbles drive the molten glass to tumble in the rising process to accelerate the heat exchange between the molten glass and the batch of each component, so that the raw materials of each component are uniformly stirred, the melting efficiency of the raw materials of the glass is improved, the melting capacity of a kiln is improved, the stripe defects in the glass forming process are reduced, the plate-frying tendency is reduced, and the quality of glass products is improved;

the water circulation cooling mechanism 22 conveys cold water to a water flow cavity of the bubbling gun 21 through the water inlet header pipe 19 to cool the bubbling gun 21, then hot water flows back to the water circulation cooling mechanism 23 through the water return header pipe 20, and the hot water is subjected to heat exchange cooling and then is conveyed to the bubbling gun 21 again in a circulation mode to be cooled.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.