JP2016047517A5

JP2016047517A5 -

Info

Publication number: JP2016047517A5
Application number: JP2014264463A
Authority: JP
Filing date: 2014-12-26
Publication date: 2016-11-10
Anticipated expiration: 2034-12-26

Description

この発明は、流体とガスとを混合するとともに、互いに直交する軸方向および径方向と、周方向とを有するガス混合装置であって、液体供給口およびガス供給口と、前記液体供給口および前記ガス供給口の下流に位置し供給された液体とガスとを物理的衝撃により混合する第１ミキシング部と、前記第１ミキシング部の下流に位置し混合された前記液体および前記ガスにさらに物理的衝撃を加えることによりガスの粒子を小さくする第２ミキシング部とを備え、前記第１ミキシング部は、第１絞り部と、前記第１絞り部の下流に位置する第１流路と、前記第１流路の下流に位置し流体の流れ方向へ交差する方向へ延びる第１壁部とを備えるとともに、前記第１絞り部の流れ方向へ交差する方向における断面積が前記第１流路のそれよりも小さく、前記第１絞り部が、前記周方向に離間して配置された複数の隔壁で画定されるとともに、前記第１流路が、前記軸方向へと延びる環状壁の前記径方向外側に形成され、前記第２ミキシング部は、前記第１流路の下流に位置する第２絞り部と、前記第２絞り部の下流に位置する第２流路と、前記第２流路の下流に位置し流体の流れ方向へ交差する方向へ延びる第２壁部とを備えるとともに、前記第２絞り部の流れ方向へ交差する方向における断面積が前記第２流路のそれよりも小さく、前記第２絞り部は、前記環状壁を前記径方向へ貫通する複数の貫通孔によって形成されることを特徴とする。 The present invention is a gas mixing device that mixes a fluid and a gas, and has an axial direction and a radial direction orthogonal to each other, and a circumferential direction, and includes a liquid supply port, a gas supply port, the liquid supply port, and the A first mixing unit located downstream of the gas supply port for mixing the supplied liquid and gas by physical impact; and further physically mixing the liquid and the gas located downstream of the first mixing unit. A second mixing section for reducing gas particles by applying an impact, wherein the first mixing section includes a first throttle section, a first flow path located downstream of the first throttle section, and the first mixing section. A first wall portion that is located downstream of one flow path and extends in a direction intersecting the fluid flow direction, and a cross-sectional area in a direction intersecting the flow direction of the first constriction portion is that of the first flow path. Smaller than The first diaphragm portion, while being defined by a plurality of partition walls which are spaced apart in the circumferential direction, the first flow path is formed in said radially outer annular wall extending to the axial direction the second mixing section includes a second throttle portion located downstream of the first passage, a second passage located downstream of the second throttle portion is located downstream of the second flow path together and a second wall portion extending in a direction intersecting the flow direction of the fluid, the cross-sectional area in a direction intersecting the flow direction of the second throttle portion is smaller than that of the second flow path, said second aperture The portion is formed by a plurality of through holes penetrating the annular wall in the radial direction .

前記ガス混合装置において、前記第３絞り部は、前記第２壁部を前記軸方向へ貫通する複数の小孔によって形成され、前記第３壁部には前記軸方向へ貫通する複数の小孔が設けられ、前記第２壁部の前記第３絞り部と、前記第３壁部の前記小孔とは、前記軸方向へ延びる中心線に対して前記周方向へずらして配置されてもよい。 In the gas mixing device, the third throttle portion is formed by a plurality of small holes that penetrate the second wall portion in the axial direction, and the plurality of small holes that penetrate the third wall portion in the axial direction. The third throttle portion of the second wall portion and the small hole of the third wall portion may be arranged to be shifted in the circumferential direction with respect to a center line extending in the axial direction. .

前記第１ミキシング部および前記第２ミキシング部を収める筒状部を有するケーシングをさらに備え、前記ケーシングは、パイプの内周に水密に配置されてもよい。 The apparatus may further include a casing having a cylindrical portion that accommodates the first mixing portion and the second mixing portion, and the casing may be disposed in a watertight manner on the inner periphery of the pipe .

Claims

流体とガスとを混合するとともに、互いに直交する軸方向および径方向と、周方向とを有するガス混合装置であって、
液体供給口およびガス供給口と、前記液体供給口および前記ガス供給口の下流に位置し供給された液体とガスとを物理的衝撃により混合する第１ミキシング部と、前記第１ミキシング部の下流に位置し混合された前記液体および前記ガスにさらに物理的衝撃を加えることによりガスの粒子を小さくする第２ミキシング部とを備え、
前記第１ミキシング部は、第１絞り部と、前記第１絞り部の下流に位置する第１流路と、前記第１流路の下流に位置し流体の流れ方向へ交差する方向へ延びる第１壁部とを備えるとともに、前記第１絞り部の流れ方向へ交差する方向における断面積が前記第１流路のそれよりも小さく、前記第１絞り部が、前記周方向に離間して配置された複数の隔壁で画定されるとともに、前記第１流路が、前記軸方向へと延びる環状壁の前記径方向外側に形成され、
前記第２ミキシング部は、前記第１流路の下流に位置する第２絞り部と、前記第２絞り部の下流に位置する第２流路と、前記第２流路の下流に位置し流体の流れ方向へ交差する方向へ延びる第２壁部とを備えるとともに、前記第２絞り部の流れ方向へ交差する方向における断面積が前記第２流路のそれよりも小さく、前記第２絞り部は、前記環状壁を前記径方向へ貫通する複数の貫通孔によって形成されることを特徴とするガス混合装置。 A gas mixing device that mixes fluid and gas, and has an axial direction and a radial direction orthogonal to each other, and a circumferential direction,
A liquid supply port and a gas supply port; a first mixing unit located downstream of the liquid supply port and the gas supply port and mixing the supplied liquid and gas by physical impact; and a downstream of the first mixing unit A second mixing unit that reduces the particle size of the gas by further applying a physical impact to the mixed liquid and the gas,
The first mixing section includes a first throttle section, a first flow path positioned downstream of the first throttle section, and a first path positioned downstream of the first flow path and extending in a direction intersecting the fluid flow direction. And a cross-sectional area in a direction intersecting the flow direction of the first throttle part is smaller than that of the first flow path , and the first throttle part is arranged to be separated in the circumferential direction. The first flow path is formed on the radially outer side of the annular wall extending in the axial direction.
The second mixing unit includes a second throttle unit located downstream of the first channel, a second channel located downstream of the second throttle unit, and a fluid located downstream of the second channel. A second wall portion extending in a direction crossing the flow direction of the second flow passage, and a cross-sectional area in a direction crossing the flow direction of the second throttle portion is smaller than that of the second flow path, and the second throttle portion Is formed by a plurality of through holes penetrating the annular wall in the radial direction .

前記第２ミキシング部の下流には、第３ミキシング部をさらに備え、
前記第３ミキシング部は、前記第２流路よりの下流に位置する第３絞り部と、前記第３絞り部の下流に位置する第３流路と、前記第３流路の下流に位置し流体の流れ方向へ交差する方向へ延びる第３壁部とを備えるとともに、前記第３絞り部の流れ方向へ交差する方向における断面積が前記第３流路のそれよりも小さいことを特徴とする請求項１記載のガス混合装置。 A third mixing unit is further provided downstream of the second mixing unit,
The third mixing unit is positioned downstream of the third flow path, a third flow path positioned downstream of the third flow path, a third flow path positioned downstream of the third flow path, and the third flow path. And a third wall portion extending in a direction intersecting the fluid flow direction, and having a cross-sectional area smaller than that of the third flow path in the direction intersecting the flow direction of the third constriction portion. The gas mixing device according to claim 1.

前記第３絞り部は、前記第２壁部を前記軸方向へ貫通する複数の小孔によって形成され、前記第３壁部には前記軸方向へ貫通する複数の小孔が設けられ、前記第２壁部の前記第３絞り部と、前記第３壁部の前記小孔とは、前記軸方向へ延びる中心線に対して前記周方向へずらして配置されることを特徴とする請求項２記載のガス混合装置。The third throttle portion is formed by a plurality of small holes penetrating the second wall portion in the axial direction, and the third wall portion is provided with a plurality of small holes penetrating in the axial direction. 3. The third throttle portion of the two wall portions and the small hole of the third wall portion are arranged so as to be shifted in the circumferential direction with respect to a center line extending in the axial direction. The gas mixing device as described.

前記第１ミキシング部の上流には、プレミキシング部をさらに備え、A premixing unit is further provided upstream of the first mixing unit,
前記プレミキシング部は、前記第１絞り部の前記径方向内側に設けられた凹部によって形成されることを特徴とする請求項１〜３のいずれかに記載のガス混合装置。 The gas mixing device according to any one of claims 1 to 3, wherein the premixing portion is formed by a concave portion provided on the radially inner side of the first throttle portion.

前記第１ミキシング部および前記第２ミキシング部を収める筒状部を有するケーシングをさらに備え、A casing having a cylindrical portion for accommodating the first mixing portion and the second mixing portion;
前記ケーシングは、パイプの内周に水密に配置されることを特徴とする請求項１〜４のいずれかに記載のガス混合装置。 The gas mixing device according to claim 1, wherein the casing is disposed in a watertight manner on an inner periphery of the pipe.