CN110631664A - Liquid flow calibration and calibration device - Google Patents
Liquid flow calibration and calibration device Download PDFInfo
- Publication number
- CN110631664A CN110631664A CN201910935862.6A CN201910935862A CN110631664A CN 110631664 A CN110631664 A CN 110631664A CN 201910935862 A CN201910935862 A CN 201910935862A CN 110631664 A CN110631664 A CN 110631664A
- Authority
- CN
- China
- Prior art keywords
- volume tank
- inlet pipe
- water inlet
- pipe
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000005303 weighing Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 19
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/0092—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume for metering by volume
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
- G01F25/14—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using a weighing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
- G01F25/17—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using calibrated reservoirs
Abstract
The invention discloses a liquid flow calibration and calibration device in the related technical field of liquid flow measurement, which comprises a first volume tank, a first liquid level display and measurement device, a first floating plate, a first water inlet pipe, a connecting pipe, a first water discharge pipe, a first pneumatic valve, a first air inlet pipe, a second volume tank, a second liquid level display and measurement device, a second floating plate, a second water inlet pipe, a second water discharge pipe, a second pneumatic valve and a second air inlet pipe; the first volume tank, the first water inlet pipe, the connecting pipe and the second water drain pipe are sequentially connected with the second volume tank; the second volume tank, the second water inlet pipe, the connecting pipe and the first water drainage pipe are sequentially connected with the first volume tank; the recycling of the liquid for detection is realized; the two volume tanks can be exchanged for use, and the operation is convenient; the floating plate is arranged to avoid disturbance of liquid for detection when the liquid flows through the meter to be detected, so that the detection accuracy is ensured.
Description
Technical Field
The invention relates to the technical field related to liquid flow measurement, in particular to a liquid flow calibration and calibration device.
Background
The liquid flow calibration device is a standard appliance used for checking whether products of liquid flow calibration equipment manufacturing enterprises meet the requirement of precision grade. The liquid flow rate measuring device is an essential device for liquid metering, trade settlement and other tasks in liquid flow rate measuring equipment manufacturing enterprises, mandatory check units and the like.
The working principle of the liquid flow calibration and calibration device is that liquid in the volume tank flows through the meter to be detected at a constant speed, the result of the meter to be detected is judged whether to accord with a standard value or not by comparing the reduced standard volume in the volume tank with the accumulated amount of the passing meter to be detected, and therefore whether the meter to be detected is qualified or not is judged.
In the prior art, the liquid used for detection in the liquid flow calibration and calibration device, such as water, is not recycled after flowing through the meter to be detected, which causes great waste.
Disclosure of Invention
Aiming at the technical problem that a large amount of liquid for detection needs to be consumed in the prior art, the invention provides a liquid flow calibration and calibration device.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a liquid flow calibration and calibration device comprises a first volume tank, a first liquid level display metering device, a first floating plate, a first water inlet pipe valve, a connecting pipe, a first water discharge pipe valve, a first pneumatic valve, a first air inlet pipe valve, a second volume tank, a second liquid level display metering device, a second floating plate, a second water inlet pipe valve, a second water discharge pipe valve, a second pneumatic valve, a second air inlet pipe and a second air inlet pipe valve; the first air inlet pipe is provided with the first air inlet pipe valve, and the first air inlet pipe is fixedly connected with the top of the first volume tank; the top and the bottom of the first volume tank are respectively provided with a first water inlet and a first water outlet, the first water inlet is provided with the first pneumatic valve, the first floating plate is horizontally arranged in the first volume tank, the inner diameter of the first volume tank is matched with the outer diameter of the first floating plate, and the outer wall of the first volume tank is vertically provided with the first liquid level display metering device; the first water inlet pipe is provided with the first water inlet pipe valve; a first drainage pipe valve is arranged on the first drainage pipe; the second air inlet pipe is provided with a second air inlet pipe valve, and the second air inlet pipe is fixedly connected with the top of the second volume tank; the top and the bottom of the second volume tank are respectively provided with a second water inlet and a second water outlet, the second water inlet is provided with the second pneumatic valve, the second floating plate is horizontally arranged in the second volume tank, the inner diameter of the second volume tank is matched with the outer diameter of the second floating plate, and the outer wall of the second volume tank is vertically provided with the second liquid level display metering device; the second water inlet pipe is provided with a second water inlet pipe valve; a second drain pipe valve is arranged on the second drain pipe; the first water outlet, the first water inlet pipe, the connecting pipe, the second water discharging pipe and the second water inlet are sequentially connected; the second delivery port, the second inlet tube, the connecting pipe, the first drain pipe with first water inlet connects gradually.
Preferably, the first liquid level display metering device is a first connector, the lower end of the first connector is connected with the bottom of the first volume tank, and scales are arranged on the first connector.
Preferably, the second liquid level display metering device is a second communicating vessel, the lower end of the second communicating vessel is connected with the bottom of the second volume tank, and scales are arranged on the second communicating vessel.
Further, a floating plate movement limiting rod is arranged inside the first volume tank and/or the second volume tank.
Furthermore, a liquid flow standard meter is arranged on the connecting pipe.
Further, a workbench is arranged around the connecting pipe.
Further, the first water inlet and/or the second water inlet are/is provided with an air exhaust device.
Further, a weighing device is arranged below the first volume tank and/or the second volume tank.
Preferably, the weighing device is a wagon balance.
The invention has the following advantages:
1. through the arrangement of the first volume tank and the second volume tank, the liquid for detection is stored in the other volume tank after flowing out of one volume tank, so that the recycling of the liquid for detection is realized;
2. the first volume tank and the second volume tank are mutually parallel, no liquid conveying pipe is distinguished from the liquid storage pipe, liquid for detection flows out of one volume tank, is stored in the other volume tank after detection is finished by the meter to be detected, directly flows out of the other volume tank when next re-detection is carried out, and flows back to the original volume tank through the meter to be detected, so that the operation is convenient;
3. the arrangement of the first floating plate and the second floating plate avoids the problem that the high-pressure gas can cause wave disturbance to liquid for detection when the liquid for detection in one volume tank is pressed out of the volume tank, so that the liquid for detection is prevented from being disturbed when flowing through a meter to be detected, and the detection accuracy is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 the drawings without creative efforts.
FIG. 1 is a schematic diagram of a main view structure of a liquid flow calibration device according to the present invention;
fig. 2 is a schematic view of a top view structure of the liquid flow calibration device of the present invention.
In the figure, 11-a first volume tank; 12-a first level display gauge; 131-a first floating plate; 132-a float plate motion limiting bar; 141-a first inlet pipe; 142-a first inlet valve; 151-first drain pipe; 152-a first drain valve; 161-a first inlet pipe; 162-first intake valve; 17-a first pneumatic valve; 21-a second volume tank; 22-second liquid level display metering device; 231-a second float plate; 241-a second water inlet pipe; 242-second inlet valve; 251-a second drain pipe; 252-a second drain valve; 261-a second intake pipe; 262-a second intake pipe valve; 27-a second pneumatic valve; 3-liquid flow standard meter; 4-connecting pipe; 5-a workbench.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
It should be noted that in the description of the present invention, the terms "top", "bottom", etc. indicate the orientation or positional relationship based on the description of the structure of the present invention shown in fig. 1, and are only for convenience of describing the present invention, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the technical scheme, the terms "first" and "second" are only used for referring to the same or similar structures or corresponding structures with similar functions, and are not used for ranking the importance of the structures, or comparing the sizes or other meanings.
In addition, unless expressly stated or limited otherwise, the terms "mounted" and "connected" are to be construed broadly, e.g., the connection may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two structures can be directly connected or indirectly connected through an intermediate medium, and the two structures can be communicated with each other. To those skilled in the art, the specific meanings of the above terms in the present invention can be understood in light of the present general concepts, in connection with the specific context of the scheme.
As shown in fig. 1 and 2, a calibration device for calibrating a liquid flow rate comprises a first volume tank 11, a first liquid level display metering device 12, a first floating plate 131, a first water inlet pipe 141, a first water inlet pipe valve 142, a connecting pipe 3, a first water outlet pipe 151, a first water outlet pipe valve 152, a first pneumatic valve 17, a first air inlet pipe 161, a first air inlet pipe valve 162, a second volume tank 21, a second liquid level display metering device 22, a second floating plate 231, a second water inlet pipe 241, a second water inlet pipe valve 242, a second water outlet pipe 251, a second water outlet pipe valve 252, a second pneumatic valve 27, a second air inlet pipe 261 and a second air inlet pipe valve 262; the first air inlet pipe 161 is provided with a first air inlet pipe valve 162, the first air inlet pipe 161 is fixedly connected with the top of the first volume tank 11, and naturally, air passages of the first air inlet pipe and the first air inlet pipe are communicated; the top and the bottom of the first volume tank 11 are respectively provided with a first water inlet and a first water outlet, the first water inlet is provided with a first pneumatic valve 17, a first floating plate 131 is horizontally arranged inside the first volume tank 11, the inner diameter of the first volume tank 11 is matched with the outer diameter of the first floating plate 131, and the outer wall of the first volume tank 11 is provided with a first liquid level display metering device 12 vertical to the horizontal plane; a first water inlet pipe valve 142 is arranged on the first water inlet pipe 141; a first drain pipe valve 152 is arranged on the first drain pipe 151; a second air inlet pipe valve 262 is arranged on the second air inlet pipe 261, the second air inlet pipe 261 is fixedly connected with the top of the second volume tank 21, and naturally, air passages of the second air inlet pipe 261 and the second volume tank are communicated; the top and the bottom of the second volume tank 21 are respectively provided with a second water inlet and a second water outlet, the second water inlet is provided with a second pneumatic valve 27, a second floating plate 231 is horizontally arranged in the second volume tank 21, the inner diameter of the second volume tank 21 is matched with the outer diameter of the second floating plate 231, and the outer wall of the second volume tank 21 is provided with a second liquid level display metering device 22 vertical to the horizontal plane; a second water inlet pipe valve 242 is arranged on the second water inlet pipe 241; the second drain pipe 251 is provided with a second drain pipe valve 252; the first water outlet, the first water inlet pipe 141, the connecting pipe 4, the second water discharging pipe 251 and the second water inlet are connected in sequence; the second water outlet, the second water inlet pipe 241, the connecting pipe 4, the first water discharging pipe 151 and the first water inlet are connected in sequence.
Taking the case of the flow of the test liquid from the first volume tank 11 to the second volume tank 21 as an example, the procedure is described, first the meter to be tested is fitted to the connecting tube 4; then the first pneumatic valve 17 is closed, the second pneumatic valve 27 is opened, the second air inlet pipe 261 is closed by closing the second air inlet pipe valve 262, the first water outlet pipe 151 is closed by closing the first water outlet pipe valve 152, and the second water inlet pipe 241 is closed by closing the second water inlet pipe valve 242; in the device of the present invention, the first air inlet pipe 161 is opened by opening the first air inlet pipe valve 162, the first water inlet pipe 141 is opened by opening the first water inlet pipe valve 142, and the second water outlet pipe 251 is opened by opening the second water outlet pipe valve 252, so that, in addition to the first air inlet pipe 161 communicating with the first volume tank 11, the first volume tank 11 communicates with the second volume tank 21 through the first water outlet port, the first water inlet pipe 141, the connecting pipe 4, the meter to be tested, the second water outlet pipe 251 communicating with the second volume tank 21 through the second water inlet port, and other passages are in a closed state; the high-pressure gas is used for pressurizing the first volume tank 11 through the first air inlet pipe 161, the liquid for detection is pressed through the first floating plate 131, enters the second volume tank 21 through the first water inlet pipe 141, the connecting pipe 4, the meter to be detected and the second water outlet pipe 251, and after detection is finished, the accuracy of the meter to be detected is judged by comparing the volume change on the first liquid level display metering device 12 with the reading on the meter to be detected.
The flow of the test liquid from the second volume 21 to the first volume 11 is similar and can be carried out by the person skilled in the art.
The above is a basic model of the embodiment of the present invention, and in order to improve the technical effect, the following improvements can be made to the basic model of the embodiment, and the following improvements can be combined with each other where there is no contradiction.
Specifically, on the basis of the basic embodiment, the first liquid level display metering device 12 is configured as a first communicating vessel, and in order to increase the utilization rate of the first volume tank 11, the lower end of the first communicating vessel is connected with the bottom of the first volume tank 11, so that when the first volume tank 11 is operated, the liquid in the first volume tank 11 can be emptied.
Similar to the previous embodiment, the second liquid level display metering device 22 is a second communicating vessel, the lower end of the second communicating vessel is connected with the bottom of the second volume tank 21, the second communicating vessel is provided with scales, and the design mode and the technical purpose which are the same as those of the first communicating vessel are not repeated.
In order to further prevent the liquid flow from being disturbed by the shaking of the first floating plate 131 and the second floating plate 231 and further influence the measurement precision by limiting the movement tracks of the first floating plate and the second floating plate, floating plate movement limiting rods are arranged in the first volume tank 11 and/or the second volume tank 21, and limit the corresponding floating plates to only move up and down and not to move obliquely; it should be noted that the case of "and/or" connection here includes three cases where only the first volume tank 11 is provided with the floating plate movement limiting rod 132, only the second volume tank 21 is provided with the floating plate movement limiting rod, and both the first volume tank 11 and the second volume tank 21 are provided with the floating plate movement limiting rods.
In order to further accurately calibrate the meter to be detected, a liquid flow standard meter is arranged on the connecting pipe and is connected with the meter to be detected in series, the volume of liquid flowing through the connecting pipe is measured, and whether the meter to be detected is accurate or not is judged by comparing the reading of the standard meter with the data of the meter to be detected.
In order to place for the change of treating the detection table, be provided with workstation 5 around the connecting pipe, the person of examining can wait to detect the table with a batch and put workstation 5 simultaneously, change in proper order and carry out the detection on connecting pipe 4, avoid the confusion, improve work efficiency.
In order to facilitate timely discharge of gas in the first volume tank 11 and/or the second volume tank 21 during water storage, the subsequent entering water is prevented from being blocked by high pressure generated in the volume tank flowing into the detection liquid, and the first water inlet and/or the second water inlet are/is provided with an air extraction device.
On the basis of the basic embodiment and various modified embodiments, a weighing device such as a wagon balance is arranged below the first volume tank 11 and/or the second volume tank 21, and the increase and decrease of the weight of the liquid in the first volume tank 11 and/or the second volume tank 21 are weighed and compared, so that the volume change of the liquid can be estimated, a new data source is provided for the verification of the amount of the liquid flowing through the meter to be tested, and the accuracy of the meter to be tested is convenient to verify.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and these embodiments are within the scope of the invention.
Claims (9)
1. The utility model provides a calibrating device is markd to liquid flow which characterized in that: the device comprises a first volume tank, a first liquid level display metering device, a first floating plate, a first water inlet pipe valve, a connecting pipe, a first water discharge pipe valve, a first pneumatic valve, a first air inlet pipe valve, a second volume tank, a second liquid level display metering device, a second floating plate, a second water inlet pipe valve, a second water discharge pipe valve, a second pneumatic valve, a second air inlet pipe and a second air inlet pipe valve; the first air inlet pipe is provided with the first air inlet pipe valve, and the first air inlet pipe is fixedly connected with the top of the first volume tank; the top and the bottom of the first volume tank are respectively provided with a first water inlet and a first water outlet, the first water inlet is provided with the first pneumatic valve, the first floating plate is horizontally arranged in the first volume tank, the inner diameter of the first volume tank is matched with the outer diameter of the first floating plate, and the outer wall of the first volume tank is vertically provided with the first liquid level display metering device; the first water inlet pipe is provided with the first water inlet pipe valve; a first drainage pipe valve is arranged on the first drainage pipe; the second air inlet pipe is provided with a second air inlet pipe valve, and the second air inlet pipe is fixedly connected with the top of the second volume tank; the top and the bottom of the second volume tank are respectively provided with a second water inlet and a second water outlet, the second water inlet is provided with the second pneumatic valve, the second floating plate is horizontally arranged in the second volume tank, the inner diameter of the second volume tank is matched with the outer diameter of the second floating plate, and the outer wall of the second volume tank is vertically provided with the second liquid level display metering device; the second water inlet pipe is provided with a second water inlet pipe valve; a second drain pipe valve is arranged on the second drain pipe; the first water outlet, the first water inlet pipe, the connecting pipe, the second water discharging pipe and the second water inlet are sequentially connected; the second delivery port, the second inlet tube, the connecting pipe, the first drain pipe with first water inlet connects gradually.
2. The liquid flow calibration and calibration device according to claim 1, wherein: the first liquid level display metering device is a first connector, the lower end of the first connector is connected with the bottom of the first volume tank, and scales are arranged on the first connector.
3. The liquid flow calibration and calibration device according to claim 1, wherein: the second liquid level display metering device is a second communicating vessel, the lower end of the second communicating vessel is connected with the bottom of the second volume tank, and scales are arranged on the second communicating vessel.
4. The liquid flow calibration and calibration device according to claim 1, wherein: and a floating plate movement limiting rod is arranged inside the first volume tank and/or the second volume tank.
5. The liquid flow calibration and calibration device according to claim 1, wherein: and a liquid flow standard meter is arranged on the connecting pipe.
6. The liquid flow calibration and calibration device according to claim 1, wherein: and a workbench is arranged around the connecting pipe.
7. The liquid flow calibration and calibration device according to claim 1, wherein: and the first water inlet and/or the second water inlet are/is provided with an air exhaust device.
8. The liquid flow calibration device according to any one of claims 1 to 7, wherein: and a weighing device is arranged below the first volume tank and/or the second volume tank.
9. The liquid flow calibration and calibration device according to claim 8, wherein: the weighing device is a wagon balance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910935862.6A CN110631664A (en) | 2019-09-29 | 2019-09-29 | Liquid flow calibration and calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910935862.6A CN110631664A (en) | 2019-09-29 | 2019-09-29 | Liquid flow calibration and calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110631664A true CN110631664A (en) | 2019-12-31 |
Family
ID=68973577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910935862.6A Pending CN110631664A (en) | 2019-09-29 | 2019-09-29 | Liquid flow calibration and calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110631664A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013918A (en) * | 2020-08-06 | 2020-12-01 | 中国科学院广州能源研究所 | Method and device for measuring gas production rate of natural gas hydrate exploitation |
| CN114087525A (en) * | 2021-11-09 | 2022-02-25 | 浙江浙能技术研究院有限公司 | Air pressure driven differential mass method liquid hydrogen accumulated flow standard device |
| CN114087539A (en) * | 2021-11-09 | 2022-02-25 | 浙江浙能技术研究院有限公司 | Liquid hydrogen flow standard device based on dynamic and static weighing method |
| CN114088169A (en) * | 2021-11-09 | 2022-02-25 | 浙江浙能富兴燃料有限公司 | Air pressure driven liquid hydrogen flow standard device adopting bidirectional mass method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114954A (en) * | 2011-01-05 | 2011-07-06 | 王劲松 | Liquid volume metering device |
| CN104359521A (en) * | 2014-11-15 | 2015-02-18 | 北京航天计量测试技术研究所 | Large-capacity storage tank volume detection system and calibration method |
| CN105784076A (en) * | 2016-03-02 | 2016-07-20 | 广州能源检测研究院 | Meter-in and meter-out dual calibration device and method for calibrating volume of horizontal metal tank |
| CN205426272U (en) * | 2016-03-02 | 2016-08-03 | 广州能源检测研究院 | Horizontal metallic tank volume goes into to measure out two calibration device based on standard flowmeter |
| CN209027642U (en) * | 2018-12-13 | 2019-06-25 | 大连麦森哲科技有限公司 | A kind of electromagnetic flowmeter means for correcting |
| CN209214693U (en) * | 2018-07-09 | 2019-08-06 | 廊坊市远卓科技有限公司 | A kind of accurate device of volumetric method cumulative measurement |
| CN210400557U (en) * | 2019-09-29 | 2020-04-24 | 特福隆（上海）科技有限公司 | Liquid flow calibration and calibration device |
-
2019
- 2019-09-29 CN CN201910935862.6A patent/CN110631664A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114954A (en) * | 2011-01-05 | 2011-07-06 | 王劲松 | Liquid volume metering device |
| CN104359521A (en) * | 2014-11-15 | 2015-02-18 | 北京航天计量测试技术研究所 | Large-capacity storage tank volume detection system and calibration method |
| CN105784076A (en) * | 2016-03-02 | 2016-07-20 | 广州能源检测研究院 | Meter-in and meter-out dual calibration device and method for calibrating volume of horizontal metal tank |
| CN205426272U (en) * | 2016-03-02 | 2016-08-03 | 广州能源检测研究院 | Horizontal metallic tank volume goes into to measure out two calibration device based on standard flowmeter |
| CN209214693U (en) * | 2018-07-09 | 2019-08-06 | 廊坊市远卓科技有限公司 | A kind of accurate device of volumetric method cumulative measurement |
| CN209027642U (en) * | 2018-12-13 | 2019-06-25 | 大连麦森哲科技有限公司 | A kind of electromagnetic flowmeter means for correcting |
| CN210400557U (en) * | 2019-09-29 | 2020-04-24 | 特福隆（上海）科技有限公司 | Liquid flow calibration and calibration device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013918A (en) * | 2020-08-06 | 2020-12-01 | 中国科学院广州能源研究所 | Method and device for measuring gas production rate of natural gas hydrate exploitation |
| CN114087525A (en) * | 2021-11-09 | 2022-02-25 | 浙江浙能技术研究院有限公司 | Air pressure driven differential mass method liquid hydrogen accumulated flow standard device |
| CN114087539A (en) * | 2021-11-09 | 2022-02-25 | 浙江浙能技术研究院有限公司 | Liquid hydrogen flow standard device based on dynamic and static weighing method |
| CN114088169A (en) * | 2021-11-09 | 2022-02-25 | 浙江浙能富兴燃料有限公司 | Air pressure driven liquid hydrogen flow standard device adopting bidirectional mass method |
| CN114088169B (en) * | 2021-11-09 | 2023-08-04 | 浙江浙能富兴燃料有限公司 | Pneumatic-driven bidirectional mass method liquid hydrogen flow standard device |
| CN114087539B (en) * | 2021-11-09 | 2023-08-25 | 浙江浙能技术研究院有限公司 | Liquid hydrogen flow standard device based on dynamic and static weighing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110631664A (en) | Liquid flow calibration and calibration device | |
| CN201126376Y (en) | Detecting device for gas flow apparatus | |
| CN205642565U (en) | Fluidflowmeter measures device | |
| CN206479237U (en) | A kind of water meter self-checking device | |
| CN102183284A (en) | Liquid flow standard calibration device | |
| CN106248309B (en) | Intelligent pressure testing machine | |
| CN207813893U (en) | A kind of Test-bed for pump | |
| CN210400557U (en) | Liquid flow calibration and calibration device | |
| CN104359521A (en) | Large-capacity storage tank volume detection system and calibration method | |
| CN204881791U (en) | A capacity calibrating installation that is used for car tank wagon oil to exchange | |
| CN205506293U (en) | Pressure sensor calibration device | |
| CN202057396U (en) | Standard liquid flow calibration device | |
| CN108106698B (en) | On-site calibration device and calibration method for vehicle-mounted single-water-tank type oilfield water meter | |
| CN102967347A (en) | Level gauge calibration device | |
| CN104089687A (en) | Online calibration device and method for LNG filling machine | |
| CN204881741U (en) | Device and measurement system cool down | |
| CN111043105A (en) | High-power hydraulic comprehensive test bed and test method thereof | |
| CN207991653U (en) | A kind of packaged type fluid flow caliberating device | |
| CN202720028U (en) | Detecting device for high-pressure water meter | |
| CN102435266B (en) | The permanent head water system of flow measurement device | |
| CN202255566U (en) | Liquid level meter detecting device | |
| CN201408057Y (en) | Rapid checking device of refueling machine | |
| CN204988444U (en) | Movable equipment of ability varying flow standard device medium flow direction | |
| CN203529916U (en) | High-accuracy oil product delivery weighing system | |
| CN204007805U (en) | The online caliberating device of a kind of LNG filling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |