CN113155209A - Device for determining liquid flow rate through gas-liquid mixed backflow - Google Patents
Device for determining liquid flow rate through gas-liquid mixed backflow Download PDFInfo
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- CN113155209A CN113155209A CN202110553070.XA CN202110553070A CN113155209A CN 113155209 A CN113155209 A CN 113155209A CN 202110553070 A CN202110553070 A CN 202110553070A CN 113155209 A CN113155209 A CN 113155209A
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- liquid
- gas
- storage tank
- liquid storage
- pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/52—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring the height of the fluid level due to the lifting power of the fluid flow
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a device for determining liquid flow rate by gas-liquid mixed reflux, which comprises: a liquid storage tank, wherein a bracket is arranged in the liquid storage tank; the gas-liquid separator is positioned in the liquid storage tank and arranged at the top of the bracket; the liquid outlet end of the gas-liquid mixing pipe is positioned at the inlet at the top of the liquid storage tank, and the liquid outlet end of the gas-liquid mixing pipe is arranged corresponding to the gas-liquid separator; the liquid inlet end of the liquid outlet pipe is connected with the bottom of the liquid storage tank; and one end of the transparent observation tube is connected with the bottom of the liquid storage tank, wherein the transparent observation tube is provided with a marking scale for marking the height of the liquid level in the liquid storage tank. The flow velocity of the liquid outlet pipe can be known through the marked scales on the transparent observation pipe, the technical problem that the liquid reflux amount in the reflux body is difficult to calibrate is solved, and a large amount of cost can be saved; and the gas-liquid separator can fully separate gas in the gas-liquid mixed fluid, and can uniformly drop liquid back to the liquid storage tank along the edge of the gas-liquid separator, so that the fluctuation influence on the liquid level in the liquid storage tank when the liquid drops back is reduced.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a device for determining liquid flow by gas-liquid mixing and refluxing.
Background
The sewage treatment method comprises a physical method, a biological method and a chemical method, wherein the physical method is generally used for treating simpler and more economical structures and is used for the conditions of large water volume, strong self-purification capacity and low sewage treatment degree requirement of villages and towns; although the chemical method has good treatment effect and wide application range, the cost is high; biological methods lie between physical and chemical methods. Urban sewage mainly contains organic matter, and the system generally has the back flow of interchannel liquid backward flow including the good oxygen pond that sets gradually, anaerobism pond and two heavy ponds, between each pond to make the liquid backward flow carry out circulation purification treatment, under the normal condition, through letting in the mode of air with increasing intraductal pressure in the back flow for the backward flow provides power, consequently, under this kind of condition, intraductal gas-liquid mixture fluid flow is unstable, and the interior liquid flow of normal flowmeter difficult in the demarcation pipe.
Disclosure of Invention
In order to solve the problems, the invention provides a device for determining the liquid flow rate by gas-liquid mixed reflux.
The technical scheme adopted by the invention is as follows: an apparatus for determining a flow rate of a liquid in a gas-liquid mixture reflux, comprising:
a liquid storage tank, wherein a bracket is arranged in the liquid storage tank;
the gas-liquid separator is positioned in the liquid storage tank and arranged at the top of the bracket;
the liquid outlet end of the gas-liquid mixing pipe is positioned at the inlet at the top of the liquid storage tank, and the liquid outlet end of the gas-liquid mixing pipe is arranged corresponding to the gas-liquid separator;
the liquid inlet end of the liquid outlet pipe is connected with the bottom of the liquid storage tank;
and one end of the transparent observation tube is connected with the bottom of the liquid storage tank, wherein the transparent observation tube is provided with a mark scale for marking the height of the liquid level in the liquid storage tank.
As an optional technical solution, the apparatus further includes:
the liquid outlet end of the liquid inlet large pipe is connected with the liquid inlet end of the gas-liquid mixing pipe;
and the air outlet end of the small air inlet pipe is connected with the large liquid inlet pipe.
As an optional technical scheme, the device also comprises an air pump connected with the small air inlet pipe.
As an optional technical solution, the gas-liquid separator is a disc-shaped structure, and the liquid outlet end of the gas-liquid mixing pipe is located right above the center of the disc-shaped structure.
As an optional technical scheme, the support is of a telescopic structure.
As an optional technical solution, the support of the telescopic structure comprises:
the hydraulic cylinder is arranged at the bottom of the liquid storage tank;
the bottom end of the telescopic rod is connected with the output end of the hydraulic cylinder, and the gas-liquid separator is arranged at the top of the telescopic rod.
As an optional technical solution, the transparent observation tube is perpendicular to the bottom surface of the reservoir.
The invention has the beneficial effects that: in the application, the transparent observation tube is provided with a mark scale for marking the liquid level height in the liquid storage tank, the actual liquid level height in the liquid storage tank can be known in real time through the mark scale, the liquid flow rate in the liquid outlet tube is determined by the liquid pressure provided by the liquid in the liquid outlet tube for the liquid pressure, the liquid flow rate in the liquid outlet tube under each liquid level height is measured in advance through the flow meter, and the actual flow rate of the liquid outlet tube can be known through observing the liquid level height in the subsequent actual operation process, so that the technical problem that the actual backflow amount of the liquid in the backflow body is difficult to calibrate in the traditional technical scheme is solved, in addition, the flow is marked by installing one transparent observation tube, the flow meter does not need to be installed on the liquid outlet tube of each liquid storage tank, and compared with the traditional method that the flow meter is installed on each liquid outlet tube, the cost is saved; wherein, gas-liquid separator's setting can be so that the gas in the gas-liquid mixture fluid that comes out in the gas-liquid mixture pipe on the one hand is separated out fully, and on the other hand can play the effect of a buffering to the backward flow liquid for liquid falls back to the reservoir along gas-liquid separator's edge uniformly, has reduced liquid and has fallen back when to the reservoir in the liquid level height undulant influence.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for determining a liquid flow rate by gas-liquid mixture reflux in an example embodiment.
FIG. 2 is a schematic structural diagram of an apparatus for determining a liquid flow rate by gas-liquid mixture reflux in another example embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is further described with reference to the following figures and specific embodiments.
Example 1
As shown in fig. 1, an apparatus for determining a liquid flow rate by gas-liquid mixture reflux comprises:
a liquid storage tank 1, wherein a bracket 4 is arranged in the liquid storage tank;
the gas-liquid separator 5 is positioned in the liquid storage tank 1 and is arranged at the top of the bracket 4;
the liquid outlet end of the gas-liquid mixing pipe 2 is positioned at the inlet at the top of the liquid storage tank 1, and the liquid outlet end is arranged corresponding to the gas-liquid separator 5;
the liquid inlet end of the liquid outlet pipe 3 is connected with the bottom of the liquid storage tank 1;
one end of the transparent observation tube 6 is connected with the bottom of the liquid storage tank 1, wherein the transparent observation tube 6 is provided with a mark scale 601 for marking the height of the liquid level in the liquid storage tank 1.
When the liquid storage tank 1 is operated, gas-liquid mixed fluid enters the liquid storage tank 1 through the gas-liquid mixing pipe 2, when the liquid storage tank 1 enters, gas and liquid are completely separated under the buffer separation action of the gas-liquid separator 5, gas escapes into air, liquid falls back into the liquid storage tank 1 along the edge of the gas-liquid separator 5 and flows back to next equipment through the liquid outlet pipe 3, the transparent observation pipe 6 is provided with a mark scale 601 for marking the height of the liquid level in the liquid storage tank 1, the actual liquid level height in the liquid storage tank 1 can be known in real time through the mark scale 601, the liquid flow rate in the liquid outlet pipe 3 is determined by the liquid pressure provided by the liquid in the liquid outlet pipe 3, the liquid flow rate in the liquid outlet pipe 3 under each liquid level height is determined in advance through the flowmeter, and the actual flow rate of the liquid outlet pipe 3 can be known by observing the liquid level height in the subsequent actual operation process, the technical problem that the actual reflux quantity of liquid in a reflux body is difficult to calibrate in the traditional technical scheme is solved, the flow is marked by installing a transparent observation tube 6, a flowmeter does not need to be installed on the liquid outlet tube 3 of each liquid storage tank 1, and compared with the traditional method that a flowmeter is installed on each liquid outlet tube 3, the cost is saved; wherein, vapour and liquid separator 5's setting can be so that the gas in the gas-liquid mixture fluid that comes out in the gas-liquid mixing pipe 2 on the one hand is separated out fully, and on the other hand can play a cushioning effect to the backward flow liquid for liquid along the edge of vapour and liquid separator 5 evenly falls back to reservoir 1 in, has reduced liquid and has fallen back when to the interior liquid level height fluctuation influence of reservoir 1.
As an alternative embodiment, the gas-liquid separator 5 is a disc-shaped structure, and the liquid outlet end of the gas-liquid mixing pipe 2 is located right above the center of the disc-shaped structure. The liquid outlet end of the gas-liquid mixing pipe 2 is arranged right above the center of the gas-liquid separator 5, and the liquid outlet direction is vertical to the disc-shaped gas-liquid separator 5, so that the backflow liquid can be better ensured to uniformly fall back into the liquid storage tank 1 along the edge of the gas-liquid separator 5, and the influence of impact force on the height of the liquid level in the liquid storage tank 1 during falling back is reduced.
As an alternative embodiment, the transparent viewing tube 6 is perpendicular to the bottom surface of the reservoir 1.
Example 2
As shown in fig. 2, an apparatus for determining a flow rate of a liquid by gas-liquid mixture reflux comprises:
a liquid storage tank 1, wherein a bracket 4 is arranged in the liquid storage tank;
the gas-liquid separator 5 is positioned in the liquid storage tank 1 and is arranged at the top of the bracket 4;
the liquid outlet end of the gas-liquid mixing pipe 2 is positioned at the inlet at the top of the liquid storage tank 1, and the liquid outlet end is arranged corresponding to the gas-liquid separator 5;
the liquid inlet end of the liquid outlet pipe 3 is connected with the bottom of the liquid storage tank 1;
one end of the transparent observation tube 6 is connected with the bottom of the liquid storage tank 1, wherein the transparent observation tube 6 is provided with a mark scale 601 for marking the height of the liquid level in the liquid storage tank 1.
When the liquid storage tank 1 is operated, gas-liquid mixed fluid enters the liquid storage tank 1 through the gas-liquid mixing pipe 2, when the liquid storage tank 1 enters, gas and liquid are completely separated under the buffer separation action of the gas-liquid separator 5, gas escapes into air, liquid falls back into the liquid storage tank 1 along the edge of the gas-liquid separator 5 and flows back to next equipment through the liquid outlet pipe 3, the transparent observation pipe 6 is provided with a mark scale 601 for marking the height of the liquid level in the liquid storage tank 1, the actual liquid level height in the liquid storage tank 1 can be known in real time through the mark scale 601, the liquid flow rate in the liquid outlet pipe 3 is determined by the liquid pressure provided by the liquid in the liquid outlet pipe 3, the liquid flow rate in the liquid outlet pipe 3 under each liquid level height is determined in advance through the flowmeter, and the actual flow rate of the liquid outlet pipe 3 can be known by observing the liquid level height in the subsequent actual operation process, the technical problem that the actual reflux quantity of liquid in a reflux body is difficult to calibrate in the traditional technical scheme is solved, the flow is marked by installing the transparent observation tube 6, a flowmeter is not required to be installed, and compared with the traditional method that the flowmeter is installed on the liquid outlet tube 3, the cost is saved; wherein, vapour and liquid separator 5's setting can be so that the gas in the gas-liquid mixture fluid that comes out in the gas-liquid mixing pipe 2 on the one hand is separated out fully, and on the other hand can play a cushioning effect to the backward flow liquid for liquid along the edge of vapour and liquid separator 5 evenly falls back to reservoir 1 in, has reduced liquid and has fallen back when to the interior liquid level height fluctuation influence of reservoir 1.
As an optional implementation, the apparatus further comprises: a liquid inlet large pipe 7, the liquid outlet end of which is connected with the liquid inlet end of the gas-liquid mixing pipe 2; and the air outlet end of the small air inlet pipe 8 is connected with the large liquid inlet pipe 7. The large liquid inlet pipe 7 is filled with reflux liquid, and the small gas inlet pipe 8 is filled with gas, so that the pressure in the large liquid inlet pipe 7 is increased, and power is provided for liquid reflux.
As an alternative embodiment, the device further comprises an air pump connected to the small inlet pipe 8.
As an alternative embodiment, the gas-liquid separator 5 is a disc-shaped structure, and the liquid outlet end of the gas-liquid mixing pipe 2 is located right above the center of the disc-shaped structure. The liquid outlet end of the gas-liquid mixing pipe 2 is arranged right above the center of the gas-liquid separator 5, and the liquid outlet direction is vertical to the disc-shaped gas-liquid separator 5, so that the backflow liquid can be better ensured to uniformly fall back into the liquid storage tank 1 along the edge of the gas-liquid separator 5, and the influence of impact force on the height of the liquid level in the liquid storage tank 1 during falling back is reduced.
As an alternative embodiment, the support 4 is of a telescopic structure so as to adjust the distance between the gas-liquid separator 5 and the liquid outlet end of the gas-liquid mixing pipe 2.
As an alternative embodiment, the telescopic support 4 comprises: the hydraulic cylinder 401 is arranged at the bottom of the liquid storage tank 1; the bottom end of the telescopic rod 402 is connected with the output end of the hydraulic cylinder 401, wherein the gas-liquid separator 5 is arranged at the top of the telescopic rod 402. The hydraulic cylinder 401 operates to drive the telescopic rod 402 to ascend or descend, so that the gas-liquid separator 5 ascends or descends, and the distance between the gas-liquid separator 5 and the liquid outlet end of the gas-liquid mixing pipe 2 is adjusted.
As an alternative embodiment, the transparent viewing tube 6 is perpendicular to the bottom surface of the reservoir 1.
The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.
Claims (7)
1. An apparatus for determining liquid flow rate of gas-liquid mixture reflux, comprising:
a liquid storage tank, wherein a bracket is arranged in the liquid storage tank;
the gas-liquid separator is positioned in the liquid storage tank and arranged at the top of the bracket;
the liquid outlet end of the gas-liquid mixing pipe is positioned at the inlet at the top of the liquid storage tank, and the liquid outlet end of the gas-liquid mixing pipe is arranged corresponding to the gas-liquid separator;
the liquid inlet end of the liquid outlet pipe is connected with the bottom of the liquid storage tank;
and one end of the transparent observation tube is connected with the bottom of the liquid storage tank, wherein the transparent observation tube is provided with a mark scale for marking the height of the liquid level in the liquid storage tank.
2. The apparatus for determining a flow rate of a liquid in a gas-liquid mixture reflux according to claim 1, further comprising:
the liquid outlet end of the liquid inlet large pipe is connected with the liquid inlet end of the gas-liquid mixing pipe;
and the air outlet end of the small air inlet pipe is connected with the large liquid inlet pipe.
3. The gas-liquid mixture reflux liquid flow rate determining device according to claim 2, characterized in that: the air pump is connected with the air inlet small pipe.
4. The gas-liquid mixture reflux liquid flow rate determining device according to claim 1, characterized in that: the gas-liquid separator is of a disc-shaped structure, and the liquid outlet end of the gas-liquid mixing pipe is positioned right above the center of the disc-shaped structure.
5. The gas-liquid mixture reflux liquid flow rate determining device according to claim 1, characterized in that: the support is of a telescopic structure.
6. The device for determining the flow rate of a liquid through gas-liquid mixture backflow according to claim 5, wherein the support of the telescopic structure comprises:
the hydraulic cylinder is arranged at the bottom of the liquid storage tank;
the bottom end of the telescopic rod is connected with the output end of the hydraulic cylinder, and the gas-liquid separator is arranged at the top of the telescopic rod.
7. The gas-liquid mixture reflux liquid flow rate determining device according to claim 1, characterized in that: the transparent observation tube is vertical to the bottom surface of the liquid storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110553070.XA CN113155209A (en) | 2021-05-20 | 2021-05-20 | Device for determining liquid flow rate through gas-liquid mixed backflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110553070.XA CN113155209A (en) | 2021-05-20 | 2021-05-20 | Device for determining liquid flow rate through gas-liquid mixed backflow |
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| Publication Number | Publication Date |
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| CN113155209A true CN113155209A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110553070.XA Pending CN113155209A (en) | 2021-05-20 | 2021-05-20 | Device for determining liquid flow rate through gas-liquid mixed backflow |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB288725A (en) * | 1927-01-14 | 1928-04-16 | Daniel Arthur Quiggin | Improvements in apparatus for indicating the rate of flow of a liquid in a mixed flow of liquid and gas; specially applicable to condensed water from steam-heating coils of evaporators for distilling plants, and the like |
| CN102636223A (en) * | 2012-05-04 | 2012-08-15 | 宁波威瑞泰默赛多相流仪器设备有限公司 | Gas-liquid measurement method with super-small flow |
| CN107576365A (en) * | 2017-09-01 | 2018-01-12 | 丁木(北京)技术有限公司 | A kind of liquid container and its fluid flow detection method for showing flow |
| CN109708707A (en) * | 2019-02-20 | 2019-05-03 | 中国海洋石油集团有限公司 | A kind of gas flow surveying instrument and measurement method |
| CN212662776U (en) * | 2020-09-02 | 2021-03-09 | 中科智寰(北京)科技有限公司 | Gas-liquid separation device |
-
2021
- 2021-05-20 CN CN202110553070.XA patent/CN113155209A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB288725A (en) * | 1927-01-14 | 1928-04-16 | Daniel Arthur Quiggin | Improvements in apparatus for indicating the rate of flow of a liquid in a mixed flow of liquid and gas; specially applicable to condensed water from steam-heating coils of evaporators for distilling plants, and the like |
| CN102636223A (en) * | 2012-05-04 | 2012-08-15 | 宁波威瑞泰默赛多相流仪器设备有限公司 | Gas-liquid measurement method with super-small flow |
| CN107576365A (en) * | 2017-09-01 | 2018-01-12 | 丁木(北京)技术有限公司 | A kind of liquid container and its fluid flow detection method for showing flow |
| CN109708707A (en) * | 2019-02-20 | 2019-05-03 | 中国海洋石油集团有限公司 | A kind of gas flow surveying instrument and measurement method |
| CN212662776U (en) * | 2020-09-02 | 2021-03-09 | 中科智寰(北京)科技有限公司 | Gas-liquid separation device |
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