CN213913195U - Gas-liquid mixing device with controllable output concentration - Google Patents
Gas-liquid mixing device with controllable output concentration Download PDFInfo
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- CN213913195U CN213913195U CN202021697541.1U CN202021697541U CN213913195U CN 213913195 U CN213913195 U CN 213913195U CN 202021697541 U CN202021697541 U CN 202021697541U CN 213913195 U CN213913195 U CN 213913195U
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Abstract
A gas-liquid mixing device with controllable output concentration comprises a dry gas steel cylinder, a liquid fluid storage tank, a proportioning pump, a mixing cavity, a gas flow control piece and a one-way valve; the gas outlet of the dry gas steel cylinder is connected with the gas inlet of a pressure-reducing and pressure-stabilizing valve, the gas outlet of the pressure-reducing and pressure-stabilizing valve is connected with the gas inlet of the liquid fluid storage tank through a first gas pipeline, the gas outlet of the liquid fluid storage tank is connected with the inlet of a proportioning pump through a gas-liquid output pipeline, the outlet of the proportioning pump is connected with a plurality of gas-liquid output branch pipes in parallel, the gas inlet of each gas-liquid output branch pipe is connected with the outlet of the proportioning pump, and the gas outlet of each gas-liquid output branch pipe is provided with a liquid atomization spray head; the gas outlet of the pressure reducing and stabilizing valve is also connected with the gas inlet of the mixing cavity through a second gas pipeline, a flow control piece and a one-way valve are sequentially arranged on the second gas pipeline, the outlet of the one-way valve is connected with the gas inlet of the mixing cavity, and the gas outlet of the mixing cavity is connected with the output pipeline of gas-liquid mixed gas to be prepared; the mixing chamber is a mixing container, and the atomizer of each gas-liquid output branch pipe is embedded and uniformly arranged at the top of the inner side of the mixing chamber. The utility model discloses can realize that the mist of various liquid fluid and gas is prepared, the controllable mist of output concentration.
Description
Technical Field
The utility model belongs to the technical field of mist's preparation, concretely relates to NovecTM5110A gas-liquid mixing device for preparing mixed insulating gas with controllable output concentration from insulating liquid fluid and dry air is provided.
Background
In order to reduce the usage amount of SF6 gas in the power industry, SF6 substitute gas is continuously searched to replace SF6 gas as an insulating medium, Novec developed by 3M companyTM5110 insulating liquid fluid, which is an excellent insulating medium, is mixed with dry air to replace SF6 gas. When the method is applied to low-voltage electrical equipment, the usage amount of SF6 gas can be effectively reduced, and the potential greenhouse effect influence is reduced.
NovecTM5110 the insulating fluid is stored in the container in liquid form, with a vapor pressure of 80kpa, and cannot be mixed with dry air without special treatment, especially when Novec is used in fieldTM5110 the insulating fluid is formulated and mixed with dry air on site as required. The sampling amount of the liquid fluid is required to be controlled in order to ensure that the prepared mixed gas is uniform, namely the key of gas-liquid mixing is the control of the sampling amount of the liquid fluid.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a controllable gas-liquid mixing device of liquid fluid sample volume.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model relates to a gas-liquid mixing device with controllable output concentration, which comprises a dry gas steel cylinder, a liquid fluid storage tank, a proportioning pump, a mixing cavity, a gas flow control piece and a one-way valve;
the gas outlet of the dry gas steel cylinder is connected with the gas inlet of a pressure-reducing and pressure-stabilizing valve, the gas outlet of the pressure-reducing and pressure-stabilizing valve is connected with the gas inlet of the liquid fluid storage tank through a first gas pipeline, the gas outlet of the liquid fluid storage tank is connected with the inlet of a proportioning pump through a gas-liquid output pipeline, the outlet of the proportioning pump is connected with a plurality of gas-liquid output branch pipes in parallel, the gas inlet of each gas-liquid output branch pipe is connected with the outlet of the proportioning pump, and the gas outlet of each gas-liquid output branch pipe is provided with a liquid atomization spray head;
the gas outlet of the pressure reducing and stabilizing valve is also connected with the gas inlet of the mixing cavity through a second gas pipeline, a flow control piece and a one-way valve are sequentially arranged on the second gas pipeline, the outlet of the one-way valve is connected with the gas inlet of the mixing cavity, and the gas outlet of the mixing cavity is connected with the output pipeline of gas-liquid mixed gas to be prepared;
the mixing chamber is a mixing container, and the atomizer of each gas-liquid output branch pipe is embedded and uniformly arranged at the top of the inner side of the mixing chamber.
The gas flow control is a single piece or assembly that controls the flow of incoming gas.
The bottom of the mixing chamber is evenly provided with a plurality of heating rods along the horizontal direction.
The air inlet of the mixing cavity is arranged at the left side part, and the air outlet of the mixing cavity is arranged at the right side part.
The dry gas steel cylinder stores raw material gas, and the liquid fluid storage tank stores raw material liquid.
When NovecTM5110 when preparing mixed gas from insulating liquid fluid and dry air, the raw material gas is stored in dry gas cylinder (Novec) by using dry airTM5110 insulating liquid fluid is stored in a liquid fluid storage tank. The compressed dry raw material gas in the dry gas steel cylinder, i.e. dry air, flows through the pressure reducing and stabilizing valve and then is divided into 2 paths for output, and the dry air output by the first gas pipeline flows into the NovecTM5110 insulating liquid fluid tank, driving liquid fluid in the tank through a metering pump, and controlling liquidThe effect of the gaseous fluid output; the other path of gas outputs dry air through a second gas pipeline and controls the amount of the dry air entering the mixing cavity through a flow control element.
In order to fully mix the liquid fluid and the dry gas, a plurality of atomizing nozzles are arranged at the output end of the metering pump, and the nozzles are used for atomizing the liquid. In the mixing cavity, the heating rod is heated to raise the temperature to prevent incomplete vaporization of the liquid. The flow control may control the amount of dry air entering the mixing chamber. The amount of liquid fluid can be controlled by adjusting the speed of the proportioning pump, so as to achieve the preparation of mixed gas with different concentrations. When the speed of the metering pump is not changed, namely the input of the liquid fluid is a fixed quantity, the flow of the flow control part is adjusted, the flow of the input dry gas can be controlled, and the preparation of various mixed concentrations of the liquid fluid and the gas is achieved.
The gas output by the mixing cavity is the prepared mixed gas, and the output pipeline is connected with low-voltage electrical equipment to be inflated or is connected with a storage container, so that the inflation and canning of the prepared mixed gas can be realized.
Adopt above-mentioned technical scheme, the utility model discloses can realize that the mist of various liquid fluid and gas is prepared, the controllable mist of output concentration.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
This example uses NovecTM5110A mixed insulating gas with controllable output concentration is prepared from insulating liquid fluid and dry air. As shown in fig. 1, the gas-liquid mixing device with controllable output concentration of the present invention comprises a dry air cylinder 1, a liquid fluid storage tank 4, a metering pump 6, a mixing chamber 12, a gas flow control member 11, and a check valve 12;
the air outlet of the dry air steel cylinder 1 is connected with the air inlet of the pressure reducing and stabilizing valve 2, and the air outlet of the pressure reducing and stabilizing valve 2 passes through the first gas pipeline 3 and the NovecTM5110 the air inlet of the insulating liquid fluid storage tank 4 is connected to the air outlet of the liquid fluid storage tank 4 via the gas-liquid output pipeline 5 to the inlet of the metering pump 6, and the outlet of the metering pump 6A plurality of gas-liquid output branch pipes 7 are connected in parallel, a gas inlet of each gas-liquid output branch pipe 7 is connected with an outlet of the proportioning pump 6, and a gas outlet of each gas-liquid output branch pipe 7 is provided with a liquid atomization spray head 8;
the gas outlet of the pressure reducing and stabilizing valve 2 is also connected with the gas inlet of a mixing cavity 13 through a second gas pipeline 10, the second gas pipeline 10 is sequentially provided with a flow control piece 11 and a one-way valve 12, the outlet of the one-way valve 12 is connected with the gas inlet of the mixing cavity 13, and the gas outlet of the mixing cavity 13 is connected with the output pipeline 9 of gas-liquid mixed gas to be prepared;
the mixing chamber 13 is a mixing container, and the atomizing nozzles 8 of each gas-liquid output branch pipe 7 are embedded and uniformly arranged at the top of the inner side of the mixing chamber 13.
The flow control member 11 is a single piece or component that controls the flow of intake air, such as a mass flow meter or a flow meter with knobs, etc.
A plurality of heating rods 14 are uniformly arranged at the bottom of the mixing cavity 13 along the horizontal direction.
The air inlet of the mixing chamber 13 is arranged at the left side part, and the air outlet of the mixing chamber 13 is arranged at the right side part.
Compressed dry air is filled in the dry air steel cylinder 1, the dry air is divided into 2 paths to be output after flowing through the pressure reducing and stabilizing valve 2, and the dry air output by the first gas pipeline 3 flows into NovecTM5110 insulating a tank 4 for liquid fluid, driving Novec in the tank 4TM5110 the liquid fluid passes through the metering pump 6 to control the output of the liquid fluid; the amount of drying air delivered by the second gas line 10 is controlled by the flow control 11 to the mixing chamber 13.
In order to mix the liquid fluid and the dry gas completely, a plurality of atomizing nozzles 8 are arranged at the output end of the metering pump 6, and the nozzles 8 are used for atomizing the liquid. In the mixing chamber 13, the heating rod 14 heats up to raise the temperature in the chamber to prevent incomplete vaporization of the liquid. The flow control 11 can control the amount of drying air entering the mixing chamber 13. The amount of the liquid fluid can be controlled by adjusting the speed of the metering pump 6, so as to achieve the preparation of mixed gas with different concentrations. When the speed of the metering pump 6 is not changed, that is, when the input of the liquid fluid is a fixed quantity, the flow of the flow control member 11 is adjusted, so that the flow of the input dry gas can be controlled, and the preparation of various mixed concentrations of the liquid fluid and the gas is achieved.
Adopt above-mentioned technical scheme, the utility model discloses can realize the mixed preparation of various liquid fluid and gas, the controllable mist of output concentration.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (5)
1. The utility model provides a controllable gas-liquid mixture device of output concentration which characterized in that: comprises a dry gas steel cylinder, a liquid fluid storage tank, a proportioning pump, a mixing cavity, a gas flow control piece and a one-way valve;
the gas outlet of the dry gas steel cylinder is connected with the gas inlet of a pressure-reducing and pressure-stabilizing valve, the gas outlet of the pressure-reducing and pressure-stabilizing valve is connected with the gas inlet of the liquid fluid storage tank through a first gas pipeline, the gas outlet of the liquid fluid storage tank is connected with the inlet of a proportioning pump through a gas-liquid output pipeline, the outlet of the proportioning pump is connected with a plurality of gas-liquid output branch pipes in parallel, the gas inlet of each gas-liquid output branch pipe is connected with the outlet of the proportioning pump, and the gas outlet of each gas-liquid output branch pipe is provided with a liquid atomization spray head;
the gas outlet of the pressure reducing and stabilizing valve is also connected with the gas inlet of the mixing cavity through a second gas pipeline, a flow control piece and a one-way valve are sequentially arranged on the second gas pipeline, the outlet of the one-way valve is connected with the gas inlet of the mixing cavity, and the gas outlet of the mixing cavity is connected with the output pipeline of gas-liquid mixed gas to be prepared;
the mixing chamber is a mixing container, and the atomizer of each gas-liquid output branch pipe is embedded and uniformly arranged at the top of the inner side of the mixing chamber.
2. The gas-liquid mixing device with controllable output concentration according to claim 1, wherein: the gas flow control is a single piece or assembly that controls the flow of incoming gas.
3. The gas-liquid mixing device with controllable output concentration according to claim 1, wherein: the bottom of the mixing chamber is evenly provided with a plurality of heating rods along the horizontal direction.
4. The gas-liquid mixing device with controllable output concentration according to claim 1, wherein: the air inlet of the mixing cavity is arranged at the left side part, and the air outlet of the mixing cavity is arranged at the right side part.
5. The gas-liquid mixing device with controllable output concentration according to claim 1, wherein: the dry gas steel cylinder stores raw material gas, and the liquid fluid storage tank stores raw material liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021697541.1U CN213913195U (en) | 2020-08-14 | 2020-08-14 | Gas-liquid mixing device with controllable output concentration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021697541.1U CN213913195U (en) | 2020-08-14 | 2020-08-14 | Gas-liquid mixing device with controllable output concentration |
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| Publication Number | Publication Date |
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| CN213913195U true CN213913195U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021697541.1U Active CN213913195U (en) | 2020-08-14 | 2020-08-14 | Gas-liquid mixing device with controllable output concentration |
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