Gas mixing box structure

Abstract

The utility model discloses a gas mixing box structure which comprises a gas mixing box body, a feeding end body, a first mixing cavity, a second mixing cavity and a discharging end body which are communicated in sequence are arranged on the gas mixing box body, a first mixing cavity is formed in the first mixing cavity, a second mixing cavity is formed in the second mixing cavity, and the discharging end body is communicated with the first mixing cavity. A first-stage throttling hole is formed between the feeding end body and the first mixing cavity in a communicating mode, a second-stage throttling hole is formed between the first mixing cavity and the second mixing cavity in a communicating mode, the first mixing cavity comprises a first conical inner wall, the second mixing cavity comprises a second conical inner wall, one end of the first-stage throttling hole is formed in the first conical inner wall, and the other end of the first-stage throttling hole is formed in the second conical inner wall. The diameter of the conical face of the first conical inner wall is gradually increased in the direction away from the first-stage throttling hole. One end of the second-stage throttling hole is formed in the second conical inner wall, and the diameter of the conical face of the second conical inner wall is gradually increased in the direction away from the second-stage throttling hole. The gas-liquid mixing device can further enhance the uniformity of gas-liquid mixing and avoid the phenomenon of gas-liquid separation when fluid is discharged.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas-liquid mixing, and in particular relates to a gas mixing box structure. Background Art

[0002] A gas-liquid mixing pump is a common gas-liquid mixing device. The gas-liquid mixing pump mainly includes a pump body and a mixing box structure. The pump body pumps the gas and liquid to be mixed into the mixing box structure for mixing. However, the mixing effect of the existing mixing box structure is not good, especially for gases that are not easy to mix. When the mixed fluid is discharged from the fluid outlet of the mixing box structure, gas-liquid separation is likely to occur, and the mixing effect is poor. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a gas mixing box structure that can further enhance the uniformity of gas-liquid mixing and avoid the phenomenon of gas-liquid separation when the fluid is discharged.

[0004] According to the first aspect of the present invention, a mixing box structure is provided, including: a mixing box body, a feeding end body, a first mixing cavity body, a second mixing cavity body and a discharging end body which are connected in sequence, a first mixing cavity body is provided in the first mixing cavity body, a second mixing cavity body is provided in the second mixing cavity body, a first throttling hole is provided in communication between the feeding end body and the first mixing cavity, a second throttling hole is provided in communication between the first mixing cavity body and the second mixing cavity, the first mixing cavity includes a first conical inner wall, the second mixing cavity includes a second conical inner wall, one end of the first throttling hole is provided on the first conical inner wall, and the diameter of the conical surface of the first conical inner wall gradually increases in the direction away from the first throttling hole; one end of the second throttling hole is provided on the second conical inner wall, and the diameter of the conical surface of the second conical inner wall gradually increases in the direction away from the second throttling hole.

[0005] According to a mixing box structure of an embodiment of the utility model, there is at least the following technical effect: when the mixing box structure is in use, the gas and liquid to be mixed are pressurized by the front pump body and pumped into the feed end body, and then enter the first mixing chamber through the first-level throttling hole. Due to the setting of the first conical inner wall, when the gas-liquid mixture exits the first-level throttling hole, due to the elevation angle between the first-level throttling hole and the first conical inner wall, the gas-liquid mixture will be sprayed along the first conical inner wall in a shower-like manner to collide and mix in the first mixing chamber, and then enter the second mixing chamber through the secondary throttling hole. Due to the setting of the second conical inner wall, when the gas-liquid mixture exits the secondary throttling hole, due to the elevation angle between the secondary throttling hole and the second conical inner wall, the gas-liquid mixture will be sprayed along the second conical inner wall in a shower-like manner for the second time to collide and mix in the second mixing chamber, and then be discharged through the discharge end body, so that the large bubbles in the gas-liquid mixture can be broken into micro bubbles, and at the same time the liquid is fully broken, so that the gas and liquid are fully mixed, thereby further enhancing the uniformity of the gas-liquid mixing and avoiding the phenomenon of gas-liquid separation when the fluid is discharged.

[0006] According to some embodiments of the present invention, the first mixing chamber further includes a third conical inner wall, the other end of the secondary throttling hole is disposed on the third conical inner wall, and the diameter of the conical surface of the third conical inner wall gradually decreases in a direction approaching the secondary throttling hole. After the gas-liquid mixture collides and mixes in the first mixing chamber, it enters the secondary throttling hole under the guidance of the third conical inner wall. Since the diameter of the conical surface of the third conical inner wall gradually decreases in a direction approaching the secondary throttling hole, the gas-liquid mixture will have a higher flow rate when entering the secondary throttling hole, thereby achieving a better mixing effect of the gas-liquid mixture in the second mixing chamber.

[0007] According to some embodiments of the present invention, the axes of the primary throttling hole, the first conical inner wall, the second conical inner wall, the secondary throttling hole and the third conical inner wall are on the same straight line.

[0008] According to some embodiments of the present invention, the discharge end body is provided with a nozzle holder extending into the second mixing chamber, the nozzle holder being provided with a nozzle, the discharge end body including a discharge chamber with an opening at one end, and the nozzle communicating with the discharge chamber. The gas-liquid mixture is mixed in the second mixing chamber and then ejected through the nozzle. The provision of the nozzle holder can further increase the collision area of ​​the gas-liquid mixture in the second mixing chamber, thereby further enhancing the gas-liquid mixing effect.

[0009] According to some embodiments of the present invention, the nozzle is a circular plate having a plurality of spray holes disposed thereon, the ends of which are connected to the second mixing chamber and the discharge chamber, respectively. The diameter of the spray holes is smaller than the diameters of the primary and secondary throttle holes, and the liquid mixture is mixed in the second mixing chamber and then ejected through the spray holes on the nozzle.

[0010] According to some embodiments of the present invention, the nozzle is made of metal material, such as stainless steel.

[0011] According to some embodiments of the present invention, a plurality of first protective plates are provided on the mixing box body, near one end of the feed end body, and spaced around the feed end body. A mounting gap is provided between the feed end body and the plurality of first protective plates. Liquid and gas pressurized by the front pump body are connected to the feed end body via a feed pipe, which is positioned within the mounting gap. The first protective plates prevent external forces from impacting the connection between the feed pipe and the feed end body, ensuring connection stability.

[0012] According to some embodiments of the present invention, a plurality of second protective plates are provided on the gas mixing box body, near one end of the discharge end body, and spaced around the discharge end body. A mounting gap is provided between the discharge end body and the plurality of second protective plates. A discharge pipe can be additionally installed on the discharge end body to transport the gas-liquid mixture. The discharge end body is installed within the mounting gap between the discharge end body and the second protective plates. The second protective plates prevent external forces from impacting the connection between the discharge pipe and the discharge end body, ensuring the stability of the connection.

[0013] According to some embodiments of the present invention, the mixing box body is provided with a shock-resistant base, which can reduce vibration and noise of the mixing box body during use.

[0014] According to some embodiments of the present invention, the anti-vibration base includes a base body, and an elastic member is detachably provided on the base body.

[0015] According to some embodiments of the present invention, an assembly hole with a notch is provided on the base body, and the elastic member can be snap-fitted and installed in the assembly hole.

[0016] According to some embodiments of the present invention, the elastic member is provided with a plurality of annular snap-fit ​​grooves along the height direction, and the snap-fit ​​grooves can be snap-fitted and installed with the assembly holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 A schematic diagram of an embodiment of the present utility model;

[0019] Figure 2 A schematic cross-sectional view of an embodiment of the present utility model;

[0020] Figure 3 This is a schematic diagram of an embodiment of the present invention when one of the elastic members is separated from the base body.

[0021] Reference numerals:

[0022] 100. Mixing box body; 101. Feed end body; 102. First mixing chamber; 103. Second mixing chamber; 104. Discharge end body; 105. First mixing chamber; 106. Second mixing chamber; 107. First-stage throttle hole; 108. Second-stage throttle hole; 109. First conical inner wall; 110. Second conical inner wall; 111. Third conical inner wall; 112. Nozzle seat; 113. Nozzle; 114. Discharge chamber; 115. Spray hole; 116. First protective plate; 117. Second protective plate; 118. Base body; 119. Elastic member; 120. Assembly hole; 121. Snap-in groove. DETAILED DESCRIPTION

[0023] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0024] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0025] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0026] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0027] Reference below Figures 1 to 3 A gas mixing box structure according to an embodiment of the present utility model is described.

[0028] like Figure 1 and Figure 2As shown, a mixing box structure according to an embodiment of the present invention includes: a mixing box body 100, on which a feed end body 101, a first mixing cavity 102, a second mixing cavity 103 and a discharge end body 104 are provided, which are sequentially connected. A first mixing cavity 105 is provided in the first mixing cavity 102, and a second mixing cavity 106 is provided in the second mixing cavity 103. A first throttling hole 107 is provided between the feed end body 101 and the first mixing cavity 105. The first mixing cavity 105 and the second mixing cavity 106 are connected. 106 are connected with a secondary throttling hole 108, the first mixing chamber 105 includes a first conical inner wall 109, the second mixing chamber 106 includes a second conical inner wall 110, one end of the first throttling hole 107 is arranged on the first conical inner wall 109, and the diameter of the conical surface of the first conical inner wall 109 gradually increases in the direction away from the first throttling hole 107; one end of the secondary throttling hole 108 is arranged on the second conical inner wall 110, and the diameter of the conical surface of the second conical inner wall 110 gradually increases in the direction away from the secondary throttling hole 108. When the mixing box structure is in use, the gas and liquid to be mixed are pressurized by the front pump body and pumped into the feed end body 101, and then enter the first mixing chamber 105 through the first-level throttling hole 107. Due to the setting of the first conical inner wall 109, when the gas-liquid mixture exits the first-level throttling hole 107, there is an elevation angle between the first-level throttling hole 107 and the first conical inner wall 109, which will cause the gas-liquid mixture to be sprayed in a shower-like manner along the first conical inner wall 109 and collide and mix in the first mixing chamber 105. Then, when it enters the second mixing chamber 106 through the second-level throttling hole 108, due to the second conical inner wall 109, the gas-liquid mixture is sprayed in a shower-like manner along the first conical inner wall 109 and collides and mixes in the first mixing chamber 105. The arrangement of the conical inner wall 110 ensures that when the gas-liquid mixture exits the secondary throttling hole 108, due to the elevation angle between the secondary throttling hole 108 and the second conical inner wall 110, the gas-liquid mixture will be sprayed in a shower-like manner for the second time along the second conical inner wall 110, collide and mix in the second mixing chamber 106, and then be discharged through the discharge end body 104, thereby breaking the large bubbles in the gas-liquid mixture into micro bubbles, and at the same time, the liquid is fully broken, so that the gas and liquid are fully mixed, thereby further enhancing the uniformity of the gas-liquid mixing and avoiding the phenomenon of gas-liquid separation when the fluid is discharged.

[0029] In some specific embodiments of the present invention, the first mixing chamber 105 further includes a third conical inner wall 111, and the other end of the secondary throttling hole 108 is disposed on the third conical inner wall 111. The diameter of the conical surface of the third conical inner wall 111 gradually decreases in a direction approaching the secondary throttling hole 108. After the gas-liquid mixture collides and mixes in the first mixing chamber 105, it enters the secondary throttling hole 108 under the guidance of the third conical inner wall 111. Since the diameter of the conical surface of the third conical inner wall 111 gradually decreases in a direction approaching the secondary throttling hole 108, the gas-liquid mixture will have a higher flow rate when entering the secondary throttling hole 108, thereby achieving a better mixing effect of the gas-liquid mixture in the second mixing chamber 106.

[0030] In some specific embodiments of the present invention, the axes of the primary throttle hole 107 , the first conical inner wall 109 , the second conical inner wall 110 , the secondary throttle hole 108 and the third conical inner wall 111 are on the same straight line.

[0031] In some specific embodiments of the present invention, a nozzle holder 112 is provided on the discharge end body 104 extending into the second mixing chamber 106. A nozzle 113 is provided on the nozzle holder 112. The discharge end body 104 includes a discharge chamber 114 with an opening at one end, and the nozzle 113 is connected to the discharge chamber 114. After the gas-liquid mixture is mixed in the second mixing chamber 106, it is ejected through the nozzle 113. At the same time, the provision of the nozzle holder 112 can further increase the collision area of ​​the gas-liquid mixture in the second mixing chamber 106, thereby further improving the gas-liquid mixing effect.

[0032] In some specific embodiments of the present invention, nozzle 113 is a circular plate having a plurality of spray holes 115 disposed thereon. The ends of spray holes 115 are connected to second mixing chamber 106 and discharge chamber 114, respectively. The diameter of spray holes 115 is smaller than the diameters of primary throttle hole 107 and secondary throttle hole 108. The liquid mixture is mixed in second mixing chamber 106 and then ejected through spray holes 115 in nozzle 113.

[0033] In some specific embodiments of the present invention, the nozzle 113 is made of metal, such as stainless steel.

[0034] In some specific embodiments of the present invention, a plurality of first protective plates 116 are provided on the mixing box body 100 at one end near the feed end body 101, spaced around the feed end body 101. A mounting gap is provided between the feed end body 101 and the plurality of first protective plates 116. Liquid and gas pressurized by the front pump body are connected to the feed end body 101 through a feed pipe. The feed pipe is located within the mounting gap, and the first protective plates 116 prevent external forces from impacting the connection between the feed pipe and the feed end body 101, ensuring the stability of the connection.

[0035] In some specific embodiments of the present invention, a plurality of second protective plates 117 are provided on the gas mixing box body 100 near one end of the discharge end body 104, spaced around the discharge end body 104. Installation gaps are provided between the discharge end body 104 and the plurality of second protective plates 117. A discharge pipe may be additionally installed on the discharge end body 104 to transport the gas-liquid mixture. The discharge end body 104 is installed within the installation gap between the discharge end body 104 and the second protective plates 117. The second protective plates 117 prevent external forces from impacting the connection between the discharge pipe and the discharge end body 104, thereby ensuring the stability of the connection.

[0036] like Figure 1 and Figure 3As shown, in some specific embodiments of the present invention, a shock-resistant base is provided on the mixing box body 100. The shock-resistant base can reduce the vibration of the mixing box body during use and reduce the noise during use.

[0037] In some specific embodiments of the present invention, the anti-vibration base includes a base body 118 , and an elastic member 119 is detachably provided on the base body 118 .

[0038] In some specific embodiments of the present invention, a mounting hole 120 with a notch is provided on the base body 118 , and the elastic member 119 can be snap-fitted and installed in the mounting hole 120 .

[0039] In some specific embodiments of the present invention, the elastic member 119 is provided with a plurality of annular clamping grooves 121 along the height direction, and the clamping grooves 121 can be clamped and installed with the assembly holes 120 .

[0040] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0041] Of course, the invention is not limited to the above-mentioned embodiments. Those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A gas mixing box structure, characterized in that: include: The mixing box body (100) is provided with a feed end body (101), a first mixing cavity (102), a second mixing cavity (103) and a discharge end body (104) which are connected in sequence. The first mixing cavity (102) is provided with a first mixing cavity (105), the second mixing cavity (106) is provided with a second mixing cavity (106), a first-stage throttling hole (107) is provided between the feed end body (101) and the first mixing cavity (105), and a second-stage throttling hole (107) is provided between the first mixing cavity (105) and the second mixing cavity (106). The first mixing chamber (105) includes a first conical inner wall (109), the second mixing chamber (106) includes a second conical inner wall (110), one end of the first throttling hole (107) is arranged on the first conical inner wall (109), and the diameter of the conical surface of the first conical inner wall (109) gradually increases in a direction away from the first throttling hole (107); one end of the second throttling hole (108) is arranged on the second conical inner wall (110), and the diameter of the conical surface of the second conical inner wall (110) gradually increases in a direction away from the second throttling hole (108).

2. The gas mixing box structure according to claim 1, characterized in that: The first mixing chamber (105) further includes a third conical inner wall (111), the other end of the secondary throttling hole (108) is arranged on the third conical inner wall (111), and the diameter of the conical surface of the third conical inner wall (111) gradually decreases in a direction approaching the secondary throttling hole (108).

3. The gas mixing box structure according to claim 2, characterized in that: The axes of the primary throttling hole (107), the first conical inner wall (109), the second conical inner wall (110), the secondary throttling hole (108) and the third conical inner wall (111) are on the same straight line.

4. The gas mixing box structure according to claim 1, characterized in that: The discharge end body (104) is provided with a nozzle seat (112) extending into the second mixing chamber (106), and a nozzle (113) is provided on the nozzle seat (112). The discharge end body (104) includes a discharge chamber (114) with one end being set as an opening, and the nozzle (113) is communicated with the discharge chamber (114).

5. The gas mixing box structure according to claim 4, characterized in that: The nozzle (113) is a circular plate, and a plurality of spray holes (115) are provided on the circular plate. The two ends of the spray holes (115) are respectively connected to the second mixing chamber (106) and the discharge chamber (114).

6. The gas mixing box structure according to claim 1, characterized in that: A plurality of first protective plates (116) are provided on the mixing box body (100) at one end close to the feed end body (101) and around the feed end body (101) in a spacer ring, and a mounting gap is provided between the feed end body (101) and the plurality of first protective plates (116).

7. The gas mixing box structure according to claim 1, characterized in that: A plurality of second protective plates (117) are provided on the mixing box body (100) at one end close to the discharge end body (104) and around the discharge end body (104) in a spacer ring, and a mounting gap is provided between the discharge end body (104) and the plurality of second protective plates (117).

8. The gas mixing box structure according to claim 1, characterized in that: The gas mixing box body (100) is provided with a shock-resistant base.

9. The gas mixing box structure according to claim 8, characterized in that: The anti-seismic base comprises a base body (118), and an elastic member (119) is detachably provided on the base body (118).

10. The gas mixing box structure according to claim 9, characterized in that: The base body (118) is provided with an assembly hole (120) with a notch, and the elastic member (119) can be snap-fitted and installed with the assembly hole (120).

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