JP2014232018A - Suction device for fluid and discharge device for fluid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a suction device for a fluid and a discharge device for a fluid, capable of sucking or discharging, for example, a gas or a liquid or the like from a fluid passage while dispensing with a power supply.SOLUTION: A suction device comprises: a fluid passage 12 through which an exhaust gas 11 at a predetermined flow velocity passes; and a rotating shaft 21 disposed in the fluid passage 12 and orthogonal to the flow of the exhaust gas 11, and comprises: a plurality of bowl-like cups 22 rotated accompanying the flow of a fluid 11; a cylindrical suction part 25 rotated by rotation of the cups 22 and having a rotary blade 24 forming a suction flow 23; and a fluid feed pipe 26 connected to the suction part 25, for feeding the exhaust gas 11 sucked by the suction flow of the rotary wing 24.

Description

  The present invention relates to a fluid suction device and a fluid discharge device capable of sucking or discharging, for example, gas or liquid from a fluid passage.

  For example, exhaust gas and waste water pass through combustion equipment exhaust gas such as boilers, GTCC fuel gas such as coal gasification gas and blast furnace gas manufactured by IGCC, seawater desalination equipment, piping for various measurements, monitoring and shunting of factory waste water, etc. When the fluid is sucked from the fluid passage, sampling is performed using a suction pump (Patent Document 1).

JP 2001-305056 A

However, at present, there are the following problems in measurement / measurement of a measurement target sample in gas and liquid and branching of a factory fluid.
1) For example, pumps, blowers, screws, pumps, etc., which can ensure a stable flow rate, all require a power source.
2) In places where a power supply cannot be installed or connected, it is necessary to carry a diesel generator separately to secure the power supply.

  Further, in the plant facility, when the analysis means is installed in the explosion-proof area, it is necessary to take an explosion-proof measure especially for the power supply means, and there is a problem that the cost for the explosion-proof measure is increased in addition to the analysis device main body.

  Therefore, the advent of a suckable device that can suck and sample exhaust gas or the like without needing a power source or a dischargeable device is desired.

  In view of the above problems, an object of the present invention is to provide a fluid suction device and a fluid discharge device that do not require a power source and can suck or discharge gas, liquid, or the like from a fluid passage.

  A first invention of the present invention for solving the above-described problem has a fluid passage through which a fluid having a predetermined flow velocity passes, a rotating shaft inserted into the fluid passage and orthogonal to the flow of the fluid, A plurality of bowl-shaped cups that rotate along with the flow of fluid; a suction part that has a rotating blade that rotates by rotation of the cup and forms a suction flow; and is connected to the suction part; And a fluid feed pipe for feeding the fluid sucked by the suction flow of the fluid.

  According to the first aspect of the present invention, since the rotating blade that forms the suction flow is rotated by the rotation of the cup that is accompanied by the flow of the fluid, the fluid can be introduced into the fluid supply pipe without requiring a power source. .

  A second invention is characterized in that, in the first invention, an intermediate suction portion having an intermediate rotary blade interposed in the fluid supply pipe and rotated by rotation of the cup to form a suction flow is provided. In a fluid suction device.

  According to the second aspect of the invention, since the intermediate rotary blade that forms the suction flow is rotated by the rotation of the cup that is accompanied by the flow of the fluid, it is possible to feed while maintaining the flow velocity in the fluid feed pipe.

  According to a third aspect of the present invention, there is provided a plurality of fluid passages through which a fluid having a predetermined flow velocity passes, a rotation shaft that is inserted into the fluid passage and is orthogonal to the fluid flow, and rotates together with the fluid flow. A bowl-shaped cup, a discharge section having a rotating blade that is rotated by the rotation of the cup to form a discharge flow, and a fluid feed that supplies fluid discharged by the discharge flow of the rotary blade of the discharge section And a fluid supply device.

  According to the third aspect of the invention, since the rotating blades forming the discharge flow are rotated by the rotation of the cup that is accompanied by the flow of the fluid, the fluid is discharged from the fluid supply pipe into the fluid passage without requiring a power source. Can do.

  A fourth invention is characterized in that, in the third invention, an intermediate discharge part having an intermediate rotary blade interposed in the fluid supply pipe and rotated by rotation of the cup to form a discharge flow is provided. In the fluid discharge device.

  According to the fourth aspect of the invention, since the intermediate rotary blade that forms the discharge flow is rotated by the rotation of the cup that is accompanied by the flow of the fluid, it is possible to discharge while maintaining the flow velocity in the fluid supply pipe. .

  According to the present invention, the rotating blade that forms the suction flow or the discharge flow is rotated by the rotation of the cup that is accompanied by the flow of the fluid, so that it is possible to introduce the fluid into the fluid supply pipe without the need for a power source. it can.

FIG. 1 is a schematic diagram of a gas sampling device including a fluid suction device according to a first embodiment. FIG. 2 is a schematic diagram of the fluid suction device according to the first embodiment. FIG. 3 is a cross-sectional view taken along line AA in FIG. FIG. 4 is a schematic diagram of another fluid suction device according to the first embodiment. FIG. 5 is a schematic diagram of a gas sampling device including a fluid suction device and a discharge device according to the second embodiment. FIG. 6 is a schematic diagram of a fluid ejection device according to the second embodiment. FIG. 7 is a schematic diagram of another fluid suction device according to the second embodiment.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, this invention is not limited by this Example, Moreover, when there exists multiple Example, what comprises combining each Example is also included.

FIG. 1 is a schematic diagram of a gas sampling device including a fluid suction device according to a first embodiment. FIG. 2 is a schematic diagram of the fluid suction device according to the first embodiment. FIG. 3 is a cross-sectional view taken along line AA in FIG.
As shown in FIG. 1, a gas sampling device 100A equipped with a fluid suction device according to this embodiment includes a fluid suction device 10 provided in a fluid passage 12 through which exhaust gas 11 as a fluid passes, and a gas sampling device. A fluid feed pipe 26 that feeds the exhaust gas 11 collected at 100A, a three-way valve 41 interposed in the fluid feed pipe 26, an absorption bin 42 that absorbs the collected exhaust gas 11, and a gas of the exhaust gas 11 And a gas meter 43 for measuring the flow rate.

The fluid suction device 10 of the present embodiment is disposed in a fluid passage through which exhaust gas 11 having a predetermined flow velocity passes, and has a rotating shaft 21 orthogonal to the flow of the exhaust gas 11, and rotates along with the flow of the fluid 11. Multiple bowls 22
A cylindrical suction part 25 having a rotary blade 24 that is rotated by the rotation of the cup 22 and forms a suction flow 23, and an exhaust gas that is connected to the suction part 25 and sucked by the suction flow 23 of the rotary blade 24. 11 and a fluid feed pipe 26 for feeding 11.

The cup 22 is supported by the support member 22 a from the rotating shaft 21, and the cup 22 is rotated by the flow of the exhaust gas 11. The rotation of the cup 22 causes the rotary blade 24 supported by the rotary shaft 21 to rotate.
The rotary blade 24 is a blade that forms a suction flow 23 from the fluid passage 12 into the suction portion 25.

  Due to the rotation of the rotary blade 24, the exhaust gas 11 is introduced into the suction portion 25 and then introduced into the fluid feed pipe 26, and is discharged into the absorbing liquid 42a in the absorption bottle 42 in this embodiment. The rotating shaft 21 is supported by bearing means such as a bearing 28.

  According to the present embodiment, the exhaust gas 11 can be sucked by rotating the rotary blade 24 in the suction part 25 by the flow of the fluid itself without requiring a power source.

As a result, it is possible to perform suction without using a power source at a site such as plant equipment. The fluid is not limited to gas, but can be applied to liquid.
As a result, it can be applied to gas measurement, collection of monitoring samples, fluid diversion, and the like.

  In particular, an inexpensive explosion-proof countermeasure device can be configured in an explosion-proof facility (for example, IGCC, GTCC, LPG, LNG, cell gas facility, etc.).

  According to the first aspect of the present invention, the rotating blades 24 forming the suction flow 23 are rotated by the rotation of the cup that is accompanied by the flow of the fluid, so that no fluid is required and the fluid is introduced into the fluid supply pipe 26. can do.

FIG. 4 is a schematic diagram of another fluid suction device according to the first embodiment.
As shown in FIG. 4, an intermediate suction portion 25 a having an intermediate rotary blade 24 a that is interposed in the fluid supply pipe 26 of the first embodiment and is rotated by the rotation of the cup 22 and forms a suction flow 23 is provided. The flow velocity of the suction flow 23 is prevented from decreasing.
Therefore, by installing a plurality of the intermediate suction portions 25a, the exhaust gas 11 can be supplied while being maintained at the flow rate to the analysis means at a predetermined distance.

FIG. 5 is a schematic diagram of a gas sampling device including a fluid suction device and a discharge device according to the second embodiment. FIG. 6 is a schematic diagram of a fluid ejection device according to the second embodiment. In addition, the same code | symbol is attached | subjected to the member which overlaps with the structure of the system which concerns on Example 1, and the description is abbreviate | omitted.
In the gas sampling device 100A of the first embodiment, the collected exhaust gas 11 is exhausted as it is. However, in the gas sampling device 100B of this embodiment, when the exhaust gas cannot be exhausted to the outside, it is returned to the fluid passage 12.
A loop is formed in which the fluid supply pipe 26 returns into the fluid passage 12, and a fluid discharge device 30 is provided in the fluid passage 12.

  The fluid discharge device 30 according to the present embodiment includes a fluid passage 12 through which the exhaust gas 11 having a predetermined flow velocity passes, and a rotation shaft 21 that is disposed in the fluid passage 12 and orthogonal to the flow of the fluid 11. A plurality of bowl-shaped cups 22 that rotate with the flow, a discharge part 33 having a rotary blade 32 that is rotated by the rotation of the cup 22 and forms a discharge flow 31, and the rotary blades of the discharge part 33 And a fluid supply pipe 26 for supplying the fluid 11 discharged by the 32 discharge flows 31.

  In the present embodiment, the discharge flow 31 is formed instead of the suction by reversing the direction of the rotor blade 24 and the blade of the suction section 25 of the first embodiment.

  According to the present embodiment, the rotating blade 32 that forms the discharge flow 31 is rotated by the rotation of the cup 22 that is accompanied by the flow of the exhaust gas 11, so that the exhaust gas 11 discharged from the suction bottle 42 is fluidized without requiring a power source. The fluid can be discharged from the feeding pipe 26 into the fluid passage 12.

FIG. 7 is a schematic diagram of another fluid suction device according to the second embodiment.
Further, as shown in FIG. 7, as in the first embodiment, the intermediate discharge having the intermediate rotary blade 32 a that is interposed in the fluid supply pipe 26 and is rotated by the rotation of the cup 22 to form the discharge flow 31. You may make it provide the part 33a.

  As a result, the rotation of the cup 22 that is accompanied by the flow of the exhaust gas 11 rotates the intermediate rotary blade 32a that forms the discharge flow 31, so that the discharge can be performed while maintaining the flow velocity in the fluid supply pipe 26.

  In this embodiment, the fluid suction device and the discharge device of the present invention are applied to the gas sampling device, but the present invention is not limited to this, and the fluid is applicable to liquids such as water and oil in addition to the gas body. For example, it can be applied to suction or discharge of fluids in various devices such as exhaust gas measurement, fuel gas measurement, drainage measurement, fuel oil measurement, lubricant oil measurement, chemical injection device, gas pump, water pump, indoor ventilation, steam measurement, etc. it can.

100A, 100B Gas sampling device 10 Fluid suction device 11 Exhaust gas 12 Fluid passage 21 Rotating shaft 22 Cup 23 Suction flow 24 Rotor blade 25 Suction part 26 Fluid supply pipe 31 Discharge flow 32 Rotor blade 33 Discharge part

Claims (4)

A fluid passage through which a fluid of a predetermined flow velocity passes;
A plurality of goblet cups inserted into the fluid passage, having a rotation axis orthogonal to the fluid flow, and rotating with the fluid flow;
A suction part having a rotating blade that is rotated by rotation of the cup and forms a suction flow;
A fluid suction apparatus, comprising: a fluid supply pipe connected to the suction unit and configured to supply a fluid sucked by a suction flow of the rotor blade. In claim 1,
A fluid suction device comprising an intermediate suction portion having an intermediate rotary blade interposed in the fluid supply pipe and rotated by rotation of the cup to form a suction flow. A fluid passage through which a fluid of a predetermined flow velocity passes;
A plurality of rice bowl-shaped cups inserted into the fluid passage and having a rotation axis perpendicular to the fluid flow, and rotating together with the fluid flow;
A discharge part having rotating blades rotated by the rotation of the cup and forming a discharge flow;
A fluid discharge apparatus comprising: a fluid supply pipe that supplies a fluid discharged by a discharge flow of the rotor blade of the discharge unit. In claim 3,
A fluid discharge apparatus comprising an intermediate discharge portion interposed in the fluid supply pipe and having an intermediate rotary blade that is rotated by the rotation of the cup and forms a discharge flow.

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