Artificial bone moisturizing spray device

Abstract

An artificial bone humidification spray device comprises a cylindrical barrel and a placement support seat, wherein the cylindrical barrel is fixedly mounted on the upper end position of the placement support seat, an adsorption device is arranged inside the cylindrical barrel, a spray hose is arranged in the middle of the lower end of the cylindrical barrel, and a spray valve is arranged in the middle of the spray hose. The present invention installs an adsorption device on the artificial bone humidification spray device, wherein the adsorption device is composed of an adsorption sponge and a magnetic filter cover, and the adsorption sponge and the magnetic filter cover on the adsorption device can perform double filtration on the solution inside the cylindrical barrel, so as to more efficiently filter out impurities in the solution inside the cylindrical barrel, thereby making the humidification of the artificial bone more efficient and high-quality, which is more convenient when used, so that the artificial bone humidification spray device can ensure the humidification quality of the product, so that it has good market competitiveness and is not easily eliminated by the external market.

Description

Technical Field

[0001] The invention belongs to the relevant technical field of artificial bone moisturizing, and in particular relates to an artificial bone moisturizing spray device. Background Art

[0002] At present, there are many patients with bone defects and loss caused by diseases, traffic accidents and sports injuries every year in the world, so the demand for artificial bone used for treatment is very large. Artificial bone needs to be humidified during the production process, that is, a special humidifying liquid is used to treat the surface of the artificial bone. The traditional humidification device uses a syringe, and the syringe humidification has poor uniformity when humidifying a large area of ​​artificial bone, resulting in poor product quality. Therefore, it is particularly important to seek an artificial bone humidification spray device that can have good uniformity during large-area humidification treatment and ensure product quality, so an artificial bone humidification spray device will be used.

[0003] The existing artificial bone humidification spray device technology has the following problems: the existing artificial bone humidification spray device cannot humidify a large area well, and the treatment is not very uniform, so it is not very efficient and convenient when used, making it not very competitive in the market. Summary of the invention

[0004] The purpose of the present invention is to provide an artificial bone humidification spray device to solve the problem that the existing artificial bone humidification spray device mentioned in the above background technology cannot humidify a large area well and the treatment is not very uniform, so it is not very efficient and convenient when used, and does not have good market competitiveness.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An artificial bone humidification spray device comprises a cylindrical barrel and a placement support seat, the cylindrical barrel is installed and fixed on the upper end position of the placement support seat, an adsorption device is arranged inside the cylindrical barrel, a spray hose is arranged in the middle of the lower end of the cylindrical barrel, a spray valve is arranged in the middle of the spray hose, a mist nozzle is arranged at the other end of the spray hose, an air pressurizing pipe is arranged on the left side of the upper end of the cylindrical barrel, an air control valve is arranged in the middle of the air pressurizing pipe, a pressure display gauge is arranged on the air pressurizing pipe above the air control valve, an air source air pump is arranged on the other end of the air pressurizing pipe, the air source air pump and the cylindrical barrel are fixedly connected by a supporting connection mechanism, a humidifying liquid feeding pipe is arranged on the right side of the air pressurizing pipe, and a humidifying liquid feeding valve is arranged in the middle of the humidifying liquid feeding pipe.

[0007] Preferably, the mist nozzle includes a fixed connection end, a nozzle shell, an adjustment switch and a nozzle hole, the lower end of the fixed connection end is provided with a nozzle shell, the middle of the nozzle shell is provided with an adjustment switch, the middle of the lower end of the nozzle shell is provided with a nozzle hole, and the fixed connection end is connected to the spray hose.

[0008] Preferably, the spray valve comprises an operating handle, a valve body and a fixed spiral end head, wherein the operating handle is arranged in the middle of the upper end of the valve body, and fixed spiral end heads are arranged at both ends of the valve body, and the fixed spiral end heads are connected to the spray hose.

[0009] Preferably, the pressure display gauge includes a detection body, a rotating pointer, a threaded connecting column and a detection terminal. A rotating pointer is provided in the middle of the detection body, a detection terminal is provided at the lower end of the detection body, and a threaded connecting column is provided on the detection body around the outer side of the detection terminal, and the threaded connecting column is connected to the air pressurization pipe.

[0010] Preferably, the placement support seat is a cylindrical structure, and the placement support seat is fixed to the outer side of the lower end of the cylindrical barrel by welding.

[0011] Preferably, the cylindrical barrel is cylindrical, and the interior of the cylindrical barrel is hollow.

[0012] Preferably, the wetting liquid feed pipe and the cylindrical barrel are fixedly connected by welding, and the interior of the wetting liquid feed pipe is hollow, and the air pressurizing pipe and the cylindrical barrel are fixedly connected by welding, and the interior of the air pressurizing pipe is hollow.

[0013] Preferably, the adsorption device comprises an adsorption sponge and a magnetic filter cover, and the adsorption sponge is arranged inside the magnetic filter cover.

[0014] Preferably, the placement support seat and the cylindrical barrel are fixedly connected by welding, and the outer sides of the connection between the placement support seat and the cylindrical barrel are on the same straight line.

[0015] Preferably, the air control valve and the humidifying liquid feed valve are equal in shape and size, and both the air control valve and the humidifying liquid feed valve are fixedly connected to the external flange.

[0016] Compared with the prior art, the present invention provides an artificial bone moisturizing spray device, which has the following beneficial effects:

[0017] 1. The magnetic filter cover in the artificial bone humidification spray device of the present invention is a magnetized cylindrical filter cover, and the magnetic filter cover is formed by magnetizing stainless steel. The outer diameter of the magnetic filter cover is smaller than the inner diameter of the cylindrical barrel, and its height is smaller than the height of the cylindrical barrel, so that the magnetic filter cover can be placed inside the cylindrical barrel. In this way, the magnetic filter cover can filter the solution inside the cylindrical barrel on the one hand, and the magnetic magnetic filter cover can also absorb iron impurities in the solution, thereby avoiding the iron impurities from being sprayed onto the artificial bone, thereby improving the performance of the artificial bone humidification spray device.

[0018] 2. The adsorption sponge in the artificial bone humidification spray device of the present invention is a cylindrical sponge, the diameter of the adsorption sponge is equal to the magnetic filter cover, and the height is equal to the magnetic filter cover. In this way, the adsorption sponge can also filter other impurities in the spraying solution, thereby avoiding other impurities from clogging the spray device and avoiding other impurities from being sprayed onto the artificial bone, so that the humidification of the artificial bone can be carried out more smoothly.

[0019] 3. The present invention installs an adsorption device on the artificial bone humidification spray device, wherein the adsorption device is composed of an adsorption sponge and a magnetic filter cover. The adsorption sponge and the magnetic filter cover on the adsorption device can perform double filtration on the solution inside the cylindrical barrel, thereby more efficiently filtering out impurities in the solution inside the cylindrical barrel, thereby making the humidification of the artificial bone more efficient and high-quality, which is more convenient when used. Therefore, the artificial bone humidification spray device can ensure the humidification quality of the product, so that it has good market competitiveness and is not easily eliminated by the external market. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 This is a schematic diagram of the structure of an artificial bone moisturizing spray device proposed by the present invention;

[0022] Figure 2 This is a schematic diagram of the mist nozzle structure proposed by the present invention;

[0023] Figure 3 This is a schematic diagram of the structure of the injection valve proposed by the present invention;

[0024] Figure 4 This is a schematic diagram of the structure of the pressure display meter proposed by the present invention;

[0025] Figure 5 This is a schematic diagram of the structure of the adsorption device proposed by the present invention;

[0026] In the figure: 1. air source pump; 2. air pressurized pipeline; 3. pressure display gauge; 31. detection body; 32. rotating pointer; 33. threaded connection column; 34. detection terminal; 4. humidifying liquid feed pipeline; 5. humidifying liquid feed valve; 6. cylindrical barrel; 7. air control valve; 8. placement support seat; 9. mist nozzle; 91. fixed connection terminal; 92. nozzle housing; 93. adjustment switch; 94. nozzle hole; 10. spray valve; 101. operating handle; 102. valve body; 103. fixed spiral terminal; 11. spray hose; 12. support connection mechanism; 13. adsorption device; 131. adsorption sponge; 132. magnetic filter cover. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-5 , the present invention provides a technical solution:

[0029] An artificial bone moisturizing spray device comprises a cylindrical barrel 6 and a placement support seat 8, the cylindrical barrel 6 is installed and fixed on the upper end position of the placement support seat 8, an adsorption device 13 is arranged inside the cylindrical barrel 6, the adsorption device 13 comprises an adsorption sponge 131 and a magnetic suction filter cover 132, the magnetic suction filter cover 132 is arranged inside the adsorption sponge 131, the magnetic suction filter cover 132 is a magnetized cylindrical filter cover, and the magnetic suction filter cover 132 is formed by magnetizing stainless steel, the outer diameter of the magnetic suction filter cover 132 is smaller than the inner diameter of the cylindrical barrel 6, and the height thereof is smaller than the height of the cylindrical barrel 6, so that the magnetic suction filter cover 132 can be placed inside the cylindrical barrel 6, so that the magnetic suction filter cover 132 can, on the one hand, be used to humidify the solution inside the cylindrical barrel 6 Filtration, and the magnetic magnetic filter cover 132 can also absorb iron impurities in the solution, thereby avoiding the iron impurities from being sprayed onto the artificial bone. The adsorption sponge 131 is a cylindrical sponge, and the diameter of the adsorption sponge 131 is equal to the magnetic filter cover 132, and the height is equal to the magnetic filter cover 132. In this way, the adsorption sponge 131 can also filter other impurities in the sprayed solution, thereby avoiding other impurities from clogging the spray device and avoiding other impurities from being sprayed onto the artificial bone, so that the humidification of the artificial bone can be carried out more smoothly. The placement support seat 8 is a cylindrical structure, and the placement support seat 8 is fixed to the outer side of the lower end of the cylindrical barrel 6 by welding, and the outer side of the connection between the placement support seat 8 and the cylindrical barrel 6 is on the same straight line. When placing, it is supported by four placing support seats 8, so that it can be placed well, and the placing support seats 8 are symmetrically fixed on the outer side of the lower end of the cylindrical barrel 6, so as to form a stable state with the ground, so that it is more stable when placed, and thus safer when used, and the placing support seat 8 and the cylindrical barrel 6 are fixed by welding, so that it is not easy to fall off, and when placed for use, because the outer side of the connection between the placing support seat 8 and the cylindrical barrel 6 is in the same straight line, there will be no obstruction during use, so it is more convenient to use.

[0030] An artificial bone moisturizing spray device comprises a spray hose 11 disposed in the middle of the lower end of a cylindrical barrel 6, a spray valve 10 disposed in the middle of the spray hose 11, the spray valve 10 comprising an operating handle 101, a valve body 102 and a fixed spiral end 103, an operating handle 101 disposed in the middle of the upper end of the valve body 102, fixed spiral ends 103 disposed at both ends of the valve body 102, and the fixed spiral ends 103 connected to the spray hose 11. When in use, the liquid medicine inside the cylindrical barrel 6 can be well transported through the spray hose 11, so that it is more convenient when in use, and when the spray valve 10 is controlled, the operating handle 101 at the upper end of the valve body 102 is rotated, so that the valve disc inside the valve body 102 can be well controlled to rotate, so that it can be well controlled and used, and when connected and fixed, the valve body 102 can be well spirally fixedly connected through the fixed spiral ends 103 at both ends, so that it is more convenient when assembled.

[0031] An artificial bone humidification spray device includes a spray hose 11 with a mist nozzle 9 at the other end, the mist nozzle 9 includes a fixed connection end 91, a nozzle shell 92, an adjustment switch 93 and a nozzle hole 94, the lower end of the fixed connection end 91 is provided with a nozzle shell 92, the middle of the nozzle shell 92 is provided with an adjustment switch 93, the middle of the lower end of the nozzle shell 92 is provided with a nozzle hole 94, and the fixed connection end 91 is connected to the spray hose 11. When spraying and humidifying, the mist nozzle 9 at the front end of the spray hose 11 makes it possible to spray well, and the fixed connection end 91 of the mist nozzle 9 is connected to the spray hose 11, so that the fixed connection is more convenient through the spiral fixed connection, and the connection is not prone to leakage. When the spraying state needs to be changed, the adjustment switch 93 on the nozzle housing 92 makes it possible to adjust the mist well, which makes it more convenient to use. When spraying, the humidifying liquid can be sprayed well through the nozzle hole 94 on the nozzle housing 92, which makes it more convenient to use.

[0032] An artificial bone humidification spray device includes an air pressurizing pipe 2 disposed on the left side of the upper end of a cylindrical barrel 6, the air pressurizing pipe 2 and the cylindrical barrel 6 are fixedly connected by welding, and the inside of the air pressurizing pipe 2 is in a hollow state. When in use, since the air pressurizing pipe 2 and the cylindrical barrel 6 are fixedly connected by welding, the fixed connection is more firm and it is not easy to produce gaps, which makes it more convenient to use. When the internal gas flows, since the inside of the air pressurizing pipe 2 is in a hollow state, no obstruction occurs, which makes it more convenient and efficient when flowing.

[0033] An artificial bone humidification spray device includes an air control valve 7 disposed in the middle of an air pressurizing pipe 2, the air control valve 7 and the humidifying liquid feeding valve 5 are equal in shape and size, and the air control valve 7 and the humidifying liquid feeding valve 5 are both fixedly connected to an external flange. When connected, the air control valve 7 and the air pressurizing pipe 2 are fixedly connected by the flange, so that the fixed connection is more firm and tight, and when assembling, because the air control valve 7 and the humidifying liquid feeding valve 5 are equal in shape and size, the installation accessories are effectively reduced, making it more convenient during installation.

[0034] An artificial bone humidification spray device includes a pressure display gauge 3 disposed on an air pressurized pipe 2 above an air control valve 7, the pressure display gauge 3 including a detection body 31, a rotating pointer 32, a threaded connection column 33 and a detection terminal 34, a rotating pointer 32 is disposed in the middle of the detection body 31, a detection terminal 34 is disposed at the lower end of the detection body 31, a threaded connection column 33 is disposed on the detection body 31 around the outer side of the detection terminal 34, and the threaded connection column 33 is connected to the air pressurized pipe 2. When delivering gas, personnel can control the use well through the air control valve 7, making it more convenient to use, and the delivered air pressure can be well obtained through the pressure display gauge 3, so that personnel can control the air pressure well by checking the pressure display gauge 3, which is convenient for personnel to control and use, and the threaded connection column 33 of the pressure display gauge 3 is connected to the air pressurized pipe 2, so that the fixed connection is more convenient by rotating the thread, and the detection end 34 inside the threaded connection column 33 receives the air pressure and folds, so that the internal structure of the detection body 31 folds, thereby driving the rotating pointer 32 to rotate, thereby obtaining the air pressure index value.

[0035] An artificial bone humidification spray device includes an air source air pump 1 disposed at the other end of an air pressurizing pipe 2, the air source air pump 1 and a cylindrical barrel 6 are fixedly connected by a supporting connection mechanism 12, a humidifying liquid feeding pipe 4 is disposed on the right side of the air pressurizing pipe 2 on the cylindrical barrel 6, the cylindrical barrel 6 is cylindrical, and the inside of the cylindrical barrel 6 is in a hollow state. When in use, gas is transported through the external air source air pump 1, so that the cylinder is transported through the air pressurizing pipe 2, and when humidifying liquid needs to be added, it can be well added through the humidifying liquid feeding pipe 4, making it more convenient to add, so as to facilitate use, and the cylindrical barrel 6 is cylindrical, so that it is easy to place, and the inside of the cylindrical barrel 6 is in a hollow state, so that the liquid added through the humidifying liquid feeding pipe 4 can be well stored, making it more convenient to use.

[0036] An artificial bone humidification spray device includes a humidification liquid feed pipe 4, a humidification liquid feed valve 5 is arranged in the middle, the humidification liquid feed pipe 4 and the cylindrical barrel 6 are fixedly connected by welding, and the interior of the humidification liquid feed pipe 4 is in a hollow state. When adding liquid, the humidification liquid feed valve 5 on the humidification liquid feed pipe 4 can be well controlled, and the humidification liquid feed pipe 4 and the cylindrical barrel 6 are fixedly connected by welding, so that it will not fall off during use, making it more convenient to use.

[0037] The working principle and use process of the present invention: After the present invention is installed, the artificial bone humidification spray device can be taken to the designated position for placement and use. When placing, the four placement support seats 8 at the lower end of the cylindrical barrel 6 can support the placement well, and the placement support seats 8 are symmetrically welded on the cylindrical barrel 6, so that it is not easy to fall off, making it safer when placed and used. After placing it in this way, the personnel connects with the external air source air pump 1 through the air pressurization pipeline 2, so that the gas can be well transported through the air source air pump 1, and then connects the humidification liquid feed pipeline 4 with the external humidification liquid container, so that it is more convenient when adding humidification liquid, and then fixes the mist nozzle 9 on the spray hose 11, so as to facilitate personnel to use.

[0038] When in use, personnel add solution to the humidifying liquid feed pipe 4 through the humidifying liquid container, and when adding liquid, the humidifying liquid feed valve 5 on the humidifying liquid feed pipe 4 can be well controlled and used, making it more convenient when in use. The inside of the cylindrical barrel 6 is in a hollow state, so that the liquid added through the humidifying liquid feed pipe 4 can be well stored, making it more convenient when in use. After that, the personnel turn on the switch of the external air source air pump 1, so that the gas is transported through the air pressurized pipe 2, and the air pressurized pipe 2 and the cylindrical barrel 6 are fixedly connected by welding, so that the fixed connection is more firm, and it is not easy to produce gaps, making it more convenient when in use, and when the internal gas flows, because the inside of the air pressurized pipe 2 is in a hollow state, it will not be hindered, making it more convenient and efficient when flowing. When transporting gas, the pressure is observed through the pressure display meter 3 on the air pressurized pipe 2, so that the pressure can be well viewed through the pressure display meter 3, so that by changing the external air source air pump 1 delivery pressure, it can be well controlled, and the controllability is high. The pressure display meter 3 is composed of a detection body 31, a rotating pointer 32, a threaded connection column 33 and a detection terminal 34. When installed, the threaded connection column 33 of the pressure display meter 3 is connected to the air pressurized pipe 2, so that the fixed connection is more convenient by rotating the thread, and the detection terminal 34 inside the threaded connection column 33 receives the air pressure and folds, so that the internal structure of the detection body 31 folds, thereby driving the rotating pointer 32 to rotate, so as to obtain the air pressure index value. When transporting, it can be well controlled by the air control valve 7, and the air control valve 7 and the air pressurized pipe 2 are fixedly connected by a flange, so that the fixed connection is more firm and tight, so that air leakage can be effectively avoided, so that the use can be well controlled, so that the overall safety is better, so that it is safer when used. When the air control valve 7 is turned on, the gas pushes the humidifying liquid inside the cylindrical barrel 6 to flow to the inside of the spray hose 11, so that when the personnel turn on the switch of the spray valve 10, the liquid is sprayed out through the mist nozzle 9. When operating the spray valve 10, since the spray valve 10 is composed of an operating handle 101, a valve body 102 and a fixed spiral end 103, when the spray valve 10 is controlled, the operating handle 101 at the upper end of the valve body 102 is rotated, so that the valve disc inside the valve body 102 can be well controlled to rotate, so that it can be well controlled for use.When spraying, the mist nozzle 9 is composed of a fixed connection end 91, a nozzle housing 92, an adjustment switch 93 and a nozzle hole 94, so that the spraying is more uniform, and when the spraying state needs to be changed, the adjustment switch 93 on the nozzle housing 92 can be used to adjust the mist, making it more convenient to use. When spraying, the humidifying liquid can be sprayed well through the nozzle hole 94 on the nozzle housing 92, which is more convenient to use. In addition, an adsorption device 13 is installed on the humidifying spray device. The adsorption device 13 is composed of an adsorption sponge 131 and a magnetic filter cover 132. The adsorption sponge 131 and the magnetic filter cover 132 on the adsorption device 13 can perform double filtration on the solution inside the cylindrical barrel 6, so as to more efficiently filter out the impurities in the solution inside the cylindrical barrel 6, thereby making the humidification of the artificial bone more efficient and high-quality, which is more convenient to use. Therefore, the artificial bone humidification spray device can ensure the humidification quality of the product, so that it has good market competitiveness and is not easily eliminated by the external market.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An artificial bone moisturizing spray device, comprising a cylindrical barrel (6) and a placement support seat (8), characterized in that: The cylindrical barrel (6) is fixedly mounted on the upper end of the support seat (8), an adsorption device (13) is arranged inside the cylindrical barrel (6), a spray hose (11) is arranged in the middle of the lower end of the cylindrical barrel (6), a spray valve (10) is arranged in the middle of the spray hose (11), a mist nozzle (9) is arranged at the other end of the spray hose (11), an air pressurizing pipe (2) is arranged on the left side of the upper end of the cylindrical barrel (6), and a An air control valve (7), a pressure display gauge (3) is provided on the air pressurizing pipe (2) above the air control valve (7), an air source air pump (1) is provided at the other end of the air pressurizing pipe (2), the air source air pump (1) and the cylindrical barrel (6) are fixedly connected via a supporting connection mechanism (12), a humidifying liquid feed pipe (4) is provided on the right side of the air pressurizing pipe (2) on the cylindrical barrel (6), and a humidifying liquid feed valve (5) is provided in the middle of the humidifying liquid feed pipe (4); The mist nozzle (9) comprises a fixed connection end (91), a nozzle housing (92), an adjustment switch (93) and a nozzle hole (94); the nozzle housing (92) is disposed at the lower end of the fixed connection end (91); the adjustment switch (93) is disposed in the middle of the nozzle housing (92); the nozzle hole (94) is disposed in the middle of the lower end of the nozzle housing (92); and the fixed connection end (91) is connected to a spray hose (11); The spray valve (10) comprises an operating handle (101), a valve body (102) and a fixed spiral end head (103); the operating handle (101) is arranged in the middle of the upper end of the valve body (102); the fixed spiral end heads (103) are arranged at both ends of the valve body (102); and the fixed spiral end heads (103) are connected to the spray hose (11); The pressure display gauge (3) comprises a detection body (31), a rotating pointer (32), a threaded connection column (33) and a detection terminal (34); the rotating pointer (32) is arranged in the middle of the detection body (31); the detection terminal (34) is arranged at the lower end of the detection body (31); a threaded connection column (33) is arranged on the detection body (31) around the outer side of the detection terminal (34); the threaded connection column (33) is connected to the air pressurization pipe (2); The placement support seat (8) is a cylindrical structure, and the placement support seat (8) is fixed to the outer side of the lower end of the cylindrical barrel (6) by welding; The cylindrical barrel (6) is cylindrical, and the interior of the cylindrical barrel (6) is in a hollow state; The humidifying liquid feed pipe (4) and the cylindrical material barrel (6) are fixedly connected by welding, and the interior of the humidifying liquid feed pipe (4) is in a hollow state; the air pressurizing pipe (2) and the cylindrical material barrel (6) are fixedly connected by welding, and the interior of the air pressurizing pipe (2) is in a hollow state; The adsorption device (13) comprises an adsorption sponge (131) and a magnetic filter cover (132), and the adsorption sponge (131) is arranged inside the magnetic filter cover (132); The magnetic filter cover is formed by magnetizing stainless steel. The outer diameter of the magnetic filter cover is smaller than the inner diameter of the cylindrical barrel, and the height of the magnetic filter cover is smaller than the height of the cylindrical barrel.

2. The artificial bone moisturizing spray device according to claim 1, characterized in that: The placement support seat (8) and the cylindrical barrel (6) are fixedly connected by welding, and the outer sides of the connection between the placement support seat (8) and the cylindrical barrel (6) are on the same straight line.

3. The artificial bone moisturizing spray device according to claim 1, characterized in that: The air control valve (7) and the humidifying liquid feed valve (5) are equal in shape and size, and both the air control valve (7) and the humidifying liquid feed valve (5) are fixedly connected to the external flange.

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