CN215261921U - Novel wet-type gas flowmeter - Google Patents
Novel wet-type gas flowmeter Download PDFInfo
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- CN215261921U CN215261921U CN202121453972.8U CN202121453972U CN215261921U CN 215261921 U CN215261921 U CN 215261921U CN 202121453972 U CN202121453972 U CN 202121453972U CN 215261921 U CN215261921 U CN 215261921U
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Abstract
A novel wet-type gas flowmeter relates to the technical field of gas flowmeters. The appearance of casing is square structure, and the inside of casing is provided with the rotary drum, and the rotary drum is circular structure, and the center of rotary drum is provided with the pivot, and angular distribution such as the periphery of pivot has four blades, and the inside of rotary drum is provided with the measurement room, and one side of measurement room is provided with the measurement room inlet end, and the opposite side is provided with the measurement room and gives vent to anger the end, and the inside injection of casing has sealed liquid. The utility model discloses simple to operate, simple structure can pass on gas flow value to the control room through the pulse signal delivery outlet, supplies operating personnel real-time detection, has alleviateed operating personnel's intensity of labour and has improved the accuracy of data again, and the inside rotary drum setting of flowmeter is formed with the measurement room, and whole practicality is strong, and the gaseous measurement of especially adapted small discharge has great market spreading value.
Description
Technical Field
The utility model relates to a gas flowmeter technical field, concretely relates to novel wet-type gas flowmeter.
Background
Wet gas flow was scored for two: one is brass, which is generally used in a non-corrosive gas range. And the other one is made of corrosion-resistant stainless steel, so that corrosive gas can be measured. The LMF/LML series wet gas flow meter is one of the instruments commonly used in the laboratory. When the total gas volume is measured, the accuracy is high, and particularly when the flow is small, the error is small. The method can be directly used for measuring the gas flow and can also be used as a standard instrument for calibrating other flowmeters.
To large-traffic gas measurement in current laboratory, at this moment use rotameter more, it has fine regulation degree, the gas velocity of flow is surveyability, the measuring result degree of accuracy is higher, but when measuring to low discharge gas, because its pressure and gas velocity are less, buoyancy to the rotor that floats influences very little, can't rise it floats, can produce great error to gas flow's measurement like this, lead to the reading inaccurate, like this rotor flow obviously is unsuitable to continue the test use when measuring to low discharge gas, so design a novel wet gas flowmeter according to this phenomenon and satisfy the requirement of low discharge gas test.
Disclosure of Invention
An object of the utility model is to prior art's defect and not enough, provide a novel wet-type gas flowmeter, with the problem of proposing in solving above-mentioned background art, the utility model discloses simple to operate, simple structure can pass on gas flow value to the control room through the pulse signal delivery outlet, supplies operating personnel real-time detection, and the intensity of labour who has alleviateed operating personnel has improved the accuracy of data again, and the inside rotary drum setting of flowmeter is formed with the measurement room, is provided with an inlet end and the end of giving vent to anger on the measurement room respectively, and the inlet end is in same liquid level line respectively with the end of giving vent to anger for the blade can evenly rotate the flexibility at the rotation in-process, and whole practicality is strong, especially adapted small flow gas's measurement, has great market spreading value.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the device comprises a shell 1, a rotary drum 2, an air inlet 3, an air outlet 4, a metering chamber 5 and sealing liquid 6, wherein the shell 1 is of a square structure, the rotary drum 2 is arranged in the shell 1, the rotary drum 2 is of a circular structure, a rotary shaft 21 is arranged at the center of the rotary drum 2, four blades 22 are distributed on the periphery of the rotary shaft 21 at equal angles, the metering chamber 5 is arranged in the rotary drum 2, one side of the metering chamber 5 is provided with a metering chamber air inlet end 51, the other side of the metering chamber air outlet end 52 is provided with the metering chamber, the sealing liquid 6 is injected into the shell 1, more than half of the rotary drum 2 is positioned in the sealing liquid 6, the front surface of the shell 1 is provided with the air inlet 3, the top is provided with the air outlet 4, the air inlet 3 is communicated with the metering chamber air inlet end 51, the air outlet 4 is communicated with the metering chamber air outlet end 52, the outer surface of the shell 1 is provided with a pointer 11, the interior of the pointer 11 is provided with a counter 12, and the bottom of the counter 12 is connected with a pulse signal output port 13, the pulse signal output port 13 is electrically connected with an external control room.
The top of the shell 1 is provided with a liquid inlet 14, the bottom of the shell is provided with a liquid discharging port 15, the left side of the liquid inlet 14 is provided with a level meter 16, and the right side of the liquid inlet 14 is provided with a gas temperature acquisition port 17 and a pressure acquisition port 18.
The side edge of the middle part of the shell 1 is provided with a liquid level regulating valve 19.
The bottom of the shell 1 is provided with a plurality of horizontal regulators 23.
The gas inlet end 51 of the metering chamber and the gas outlet end 52 of the metering chamber are positioned on the same liquid level line.
The counter 12 is a five-digit digital counter.
The bottom of the shell 1 is provided with a liquid temperature acquisition port 24.
The utility model discloses a theory of operation: when the device is used, an instrument is placed on a prepared workbench, the uniform position height of the horizontal regulator 23 is adjusted, then the liquid level regulating valve 19 is opened, the internal wool rope is taken out, then distilled water is injected through the liquid inlet 14 at the top of the shell 1, the injection of the distilled water is stopped when the distilled water flows out of the hole of the liquid level regulating valve 19, when redundant distilled water flows out of the liquid level regulating valve 19 along the wool rope completely (one wool rope flows out in about 5-8 minutes, the wool flows out completely), then the wool is collected into the liquid level regulating valve 19, the liquid level regulating valve 19 is sealed, then the gas inlet 3 is communicated with the gas outlet 4 through a gas circuit, the sealing performance of the connection part is kept, the gas can be measured by opening an external gas valve, when the gas passes through the gas inlet end 51 of the metering chamber when the gas enters from the gas inlet 3, the blades 22 realize annular uniform rotation under the action of the rotating shaft 21, then the corresponding air outlet end 52 of the metering chamber synchronously generates an air exhaust process, finally, air is exhausted through the air outlet 4 at the top, the position of the air flow value is displayed through the pointer 11 along with the measurement of the process, meanwhile, the counter 12 carries out visual digital display, the digital display result of the counter 12 is transmitted to an external control chamber through the pulse signal output port 13, the real-time transmission of data is realized, the temperature condition of distilled water can be tested through the liquid temperature acquisition port 24 after the distilled water is injected into the shell 1, and meanwhile, the temperature of the air and the pressure of the air are detected through the air temperature acquisition port 17 and the pressure acquisition port 18.
After the technical scheme is adopted, the utility model discloses beneficial effect does: simple to operate, moreover, the steam generator is simple in structure, can be with gas flow value teletransmission to control room through pulse signal output port, supply operating personnel real-time detection, the intensity of labour who has alleviateed operating personnel has improved the accuracy of data again, the inside rotary drum setting of flowmeter is formed with the measurement room, be provided with an inlet end on the measurement room respectively and give vent to anger the end, the inlet end is in same liquid level line respectively with the end of giving vent to anger, make the blade can evenly rotate in the rotation in-process in a flexible way, the whole practicality is strong, especially adapted small flow gas's measurement, great market spreading value has.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic view of the overall structure of the present invention.
Description of reference numerals: the device comprises a shell 1, a pointer 11, a counter 12, a pulse signal output port 13, a liquid inlet 14, a liquid outlet 15, a level gauge 16, a gas temperature acquisition port 17, a pressure acquisition port 18, a liquid level adjusting valve 19, a rotary drum 2, a rotary shaft 21, blades 22, a level regulator 23, a liquid temperature acquisition port 24, a gas inlet 3, a gas outlet 4, a metering chamber 5, a metering chamber gas inlet end 51, a metering chamber gas outlet end 52 and sealing liquid 6.
Detailed Description
Referring to fig. 1 to 2, the technical solution adopted by the present embodiment is: the device comprises a shell 1, a rotary drum 2, an air inlet 3, an air outlet 4, a metering chamber 5 and sealing liquid 6, wherein the shell 1 is of a square structure, the rotary drum 2 is arranged in the shell 1, the rotary drum 2 is of a circular structure, a rotary shaft 21 is arranged at the center of the rotary drum 2, four blades 22 are distributed on the periphery of the rotary shaft 21 at equal angles, the metering chamber 5 is arranged in the rotary drum 2, one side of the metering chamber 5 is provided with a metering chamber air inlet end 51, the other side of the metering chamber air outlet end 52 is provided with the metering chamber, the sealing liquid 6 is injected into the shell 1, more than half of the rotary drum 2 is positioned in the sealing liquid 6, the front surface of the shell 1 is provided with the air inlet 3, the top is provided with the air outlet 4, the air inlet 3 is communicated with the metering chamber air inlet end 51, the air outlet 4 is communicated with the metering chamber air outlet end 52, the outer surface of the shell 1 is provided with a pointer 11, the interior of the pointer 11 is provided with a counter 12, and the bottom of the counter 12 is connected with a pulse signal output port 13, the pulse signal output port 13 is electrically connected with an external control room.
Further, the top of casing 1 be provided with inlet 14, inlet 14 is used for pouring into distilled water into, the bottom is provided with drain 15, drain 15 is used for discharging sewage, the left side of inlet 14 is provided with spirit level 16 for whether reference equipment is installed the level, ensure measuring result, the right side of inlet 14 is provided with gas temperature collection mouth 17 and pressure collection mouth 18, gas temperature collection mouth 17 is used for detecting gaseous temperature, pressure collection mouth 18 is used for detecting gaseous pressure.
Further, a liquid level regulating valve 19 is arranged on the side edge of the middle part of the shell 1 so as to determine the content of the sealing liquid 6 in the shell 1.
Further, the bottom of the shell 1 is provided with a plurality of horizontal regulators 23 to meet the requirement of stable installation of the flowmeter, and the test result is not influenced.
Further, the metering chamber air inlet end 51 and the metering chamber air outlet end 52 are located on the same liquid level line, so that the metering chamber air outlet end 52 synchronously exhausts air when the metering chamber air inlet end 51 admits air.
Furthermore, the counter 12 adopts a five-digit digital counter, and the gas flow value is displayed more intuitively.
Further, a liquid temperature collecting port 24 is arranged at the bottom of the shell 1.
The utility model discloses a theory of operation: when the device is used, an instrument is placed on a prepared workbench, the uniform position height of the horizontal regulator 23 is adjusted, then the liquid level regulating valve 19 is opened, the internal wool rope is taken out, then distilled water is injected through the liquid inlet 14 at the top of the shell 1, the injection of the distilled water is stopped when the distilled water flows out of the hole of the liquid level regulating valve 19, when redundant distilled water flows out of the liquid level regulating valve 19 along the wool rope completely (one wool rope flows out in about 5-8 minutes, the wool flows out completely), then the wool is collected into the liquid level regulating valve 19, the liquid level regulating valve 19 is sealed, then the gas inlet 3 is communicated with the gas outlet 4 through a gas circuit, the sealing performance of the connection part is kept, the gas can be measured by opening an external gas valve, when the gas passes through the gas inlet end 51 of the metering chamber when the gas enters from the gas inlet 3, the blades 22 realize annular uniform rotation under the action of the rotating shaft 21, then the corresponding air outlet end 52 of the metering chamber synchronously generates an air exhaust process, finally, air is exhausted through the air outlet 4 at the top, the position of the air flow value is displayed through the pointer 11 along with the measurement of the process, meanwhile, the counter 12 carries out visual digital display, the digital display result of the counter 12 is transmitted to an external control chamber through the pulse signal output port 13, the real-time transmission of data is realized, the temperature condition of distilled water can be tested through the liquid temperature acquisition port 24 after the distilled water is injected into the shell 1, and meanwhile, the temperature of the air and the pressure of the air are detected through the air temperature acquisition port 17 and the pressure acquisition port 18.
After the technical scheme is adopted, the utility model discloses beneficial effect does: simple to operate, moreover, the steam generator is simple in structure, can be with gas flow value teletransmission to control room through pulse signal output port, supply operating personnel real-time detection, the intensity of labour who has alleviateed operating personnel has improved the accuracy of data again, the inside rotary drum setting of flowmeter is formed with the measurement room, be provided with an inlet end on the measurement room respectively and give vent to anger the end, the inlet end is in same liquid level line respectively with the end of giving vent to anger, make the blade can evenly rotate in the rotation in-process in a flexible way, the whole practicality is strong, especially adapted small flow gas's measurement, great market spreading value has.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A novel wet gas flowmeter which is characterized in that: the device comprises a shell (1), a rotary drum (2), an air inlet (3), an air outlet (4), a metering chamber (5) and sealing liquid (6), wherein the shell (1) is of a square structure, the rotary drum (2) is arranged in the shell (1), the rotary drum (2) is of a circular structure, a rotary shaft (21) is arranged in the center of the rotary drum (2), four blades (22) are distributed on the periphery of the rotary shaft (21) at equal angles, the metering chamber (5) is arranged in the rotary drum (2), one side of the metering chamber (5) is provided with a metering chamber air inlet end (51), the other side of the metering chamber air outlet end (52) is arranged, the sealing liquid (6) is injected into the shell (1), more than one half of the rotary drum (2) is positioned in the sealing liquid (6), the air inlet (3) is arranged on the front surface of the shell (1), the air outlet (4) is arranged at the top of the shell, and the air inlet (3) is communicated with the metering chamber air inlet end (51), the air outlet (4) is communicated with the air outlet end (52) of the metering chamber, the pointer (11) is arranged on the outer surface of the shell (1), the counter (12) is arranged inside the pointer (11), the bottom of the counter (12) is connected with the pulse signal output port (13), and the pulse signal output port (13) is electrically connected with the external control chamber.
2. A novel wet gas flowmeter as claimed in claim 1, wherein: the top of the shell (1) is provided with a liquid inlet (14), the bottom of the shell is provided with a liquid discharging port (15), the left side of the liquid inlet (14) is provided with a level meter (16), and the right side of the liquid inlet (14) is provided with a gas temperature acquisition port (17) and a pressure acquisition port (18).
3. A novel wet gas flowmeter as claimed in claim 1, wherein: the side edge of the middle part of the shell (1) is provided with a liquid level regulating valve (19).
4. A novel wet gas flowmeter as claimed in claim 1, wherein: the bottom of the shell (1) is provided with a plurality of horizontal regulators (23).
5. A novel wet gas flowmeter as claimed in claim 1, wherein: the air inlet end (51) of the metering chamber and the air outlet end (52) of the metering chamber are positioned on the same liquid level line.
6. A novel wet gas flowmeter as claimed in claim 1, wherein: the counter (12) adopts a five-digit digital counter.
7. A novel wet gas flowmeter as claimed in claim 1, wherein: the bottom of the shell (1) is provided with a liquid temperature acquisition port (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121453972.8U CN215261921U (en) | 2021-06-29 | 2021-06-29 | Novel wet-type gas flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121453972.8U CN215261921U (en) | 2021-06-29 | 2021-06-29 | Novel wet-type gas flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215261921U true CN215261921U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121453972.8U Active CN215261921U (en) | 2021-06-29 | 2021-06-29 | Novel wet-type gas flowmeter |
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| Country | Link |
|---|---|
| CN (1) | CN215261921U (en) |
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2021
- 2021-06-29 CN CN202121453972.8U patent/CN215261921U/en active Active
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