CN109990874A - A kind of level measuring benchmark dynamic comparison device and application method - Google Patents
A kind of level measuring benchmark dynamic comparison device and application method Download PDFInfo
- Publication number
- CN109990874A CN109990874A CN201910208540.1A CN201910208540A CN109990874A CN 109990874 A CN109990874 A CN 109990874A CN 201910208540 A CN201910208540 A CN 201910208540A CN 109990874 A CN109990874 A CN 109990874A
- Authority
- CN
- China
- Prior art keywords
- scale
- needle valve
- glass water
- water
- glass
- 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
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
- G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
Abstract
The present invention relates to a kind of level measuring benchmark dynamic comparison device and application methods, belong to industrial water level automatic control technology field.It is not high to solve existing comparison method precision, the problem for causing level measuring inaccurate.The present invention includes stop needle valve, draining needle valve, glass water gauge with a scale, three-way connection, straight coupling, angle coupling and stainless steel tube；No.1 glass water gauge with a scale is connected with No. two glass water gauges with a scale by angle coupling, straight coupling and three-way connection, and stop needle valve is respectively set in the entrance and exit of No.1 glass water gauge with a scale and No. two glass water gauges with a scale, the setting draining needle valve on the drainage pipeline of three-way connection connection.The present invention has the characteristics that water level benchmark is visual, length is scalable, can fill the water and discharge water, and ensure that the accuracy that water level benchmark compares, to effectively improve the accuracy of level measuring.
Description
Technical field
The present invention relates to a kind of level measuring benchmark dynamic comparison device and application methods, belong to industrial water level and automatically control
Technical field is especially related to the automatic control of thermal power plant's water level.
Background technique
The main container of some in thermal power plant needs to carry out level measuring, such as drum, high-pressure heater etc., such as application number
For 201420416601.6 Chinese patent.It is automatically controlled to realize, carries out level measuring frequently with differential pressure method.When using differential pressure
When method measures, water level benchmark is undoubtedly ensuring that the premise of measurement accuracy.When operating load difference, water level benchmark meeting
Corresponding some variations occur.Therefore, it not only needs that measurement water level benchmark is compared in static state, in the process of running,
It is also required to check water level benchmark.Then the water level measurements in control system are carried out according to the deviation of verification appropriate
Amendment safeguards the safety and stability and economical operation of unit to ensure the accuracy measured, and then the quality of Guarantee control system.
Currently due to lacking dedicated water level comparison device, technical staff is usually after looking for a plastic water pipe to pour water, into
Row is simple to be compared, and precision not can guarantee.
Summary of the invention
It is an object of the invention to overcome the above deficiencies in the existing technologies, and it is dynamic to provide a kind of level measuring benchmark
State comparison device and application method can effectively improve the accuracy of level measuring.
Technical solution used by the present invention solves the above problems is: a kind of level measuring benchmark dynamic comparison device,
It is characterized in that, including stop needle valve, draining needle valve, glass water gauge with a scale, three-way connection, straight coupling, right angle
Connector and stainless steel tube；The stop needle valve includes No.1 stop needle valve, No. two stop needle valves, No. three stop needle valves
With No. four stop needle valves, the glass water gauge with a scale includes that No.1 glass water gauge with a scale and No. two are with a scale
Glass water gauge；No.1 glass water gauge with a scale is passed through with No. two glass water gauges with a scale by stainless steel tube
Angle coupling, straight coupling are connected with three-way connection, and distinguish in the entrance and exit of No.1 glass water gauge with a scale
It is provided with No.1 stop needle valve and No. three stop needle valves, in the entrance and exit difference of No. two glass water gauges with a scale
No. two stop needle valves and No. four stop needle valves are provided with, are provided with draining needle on the drainage pipeline of the three-way connection connection
Type valve.
Furthermore, the diameter of the stainless steel tube is 8mm.
Furthermore, No.1 glass water gauge with a scale and No. two symmetrical cloth of glass water gauge with a scale
It sets.
Furthermore, according to different live actual ranges, outfit needle valve is several, stainless steel tube is several, three connect
It is several, angle coupling is several, straight coupling is several.
The application method of the level measuring benchmark dynamic comparison device, steps are as follows:
1, according to live actual range, the stainless steel tube of different length is selected, is connected with several straight couplings, this
When stop needle valve and draining needle valve be in off state；
2, each stop needle valve is opened, is infused into No.1 glass water gauge with a scale and No. two glass water gauges with a scale
Water guarantees glass water gauge liquid level with a scale as it can be seen that the water surface is made to be higher by known water level datum mark；
3, by the No.1 of device two sides glass water gauge with a scale and No. two glass water gauges with a scale respectively close to known
Water level datum mark and the datum mark that is corrected, and it is known to guarantee that the water surface in the glass water gauge for keeping No.1 with a scale is higher by
Water level datum mark；
4, draining needle valve is opened, is slowly discharged water, until the water surface and known water level in No.1 glass water gauge with a scale
Datum mark is concordant, closes draining needle valve；
5, at the equipment for being calibrated side, the water surface compareed in No. two glass water gauges with a scale is marked.This is school
Level measuring datum mark after just.
Compared with prior art, the present invention having the following advantages that and effect:
1. water level benchmark is visual.Using glass water gauge with a scale, the datum mark for showing datum level and being compared.
2. device length is scalable.The stainless steel tube of different length is connected with straight coupling, to adapt to scene not
Water level benchmark with container compares.
3. device can fill the water and discharge water.In water filling port and dewatering outlet, needle valve is installed, realizes the need for mending water-filling and water-discharging
It wants.
The above feature ensure that the accuracy that water level benchmark compares, to effectively improve the accuracy of level measuring.
Detailed description of the invention
Fig. 1 is to need to carry out the height of water level benchmark comparison in the embodiment of the present invention to add level measuring schematic diagram.
Fig. 2 is the structural schematic diagram of level measuring benchmark dynamic comparison device in the embodiment of the present invention.
In figure: 3, No. four stop needle valves 4 of the stop needle valve of stop needle valve 2, three of No.1 stop needle valve 1, two,
Draining needle valve 5, No.1 6, No. two glass water gauges with a scale 7 of glass water gauge with a scale, straight-through connect three-way connection 8
First 9, angle coupling 10, stainless steel tube 11.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited to following embodiments.
Embodiment.
Referring to Fig. 1, level measuring benchmark dynamic comparison device in the present embodiment, including stop needle valve, draining needle-like
Valve 5, glass water gauge with a scale, three-way connection 8, straight coupling 9, angle coupling 10 and stainless steel tube 11.
Stop needle valve includes that the stop needle valve 3 of stop needle valve 2, three of No.1 stop needle valve 1, two and No. four are cut
Only needle valve 4, glass water gauge with a scale include No.1 glass water gauge 6 with a scale and No. two glass water levels with a scale
Meter 7；No.1 glass water gauge 6 with a scale and No. two glass water gauges 7 with a scale pass through angle coupling by stainless steel tube 11
10, straight coupling 9 is connected with three-way connection 8, and is respectively set in the entrance and exit of No.1 glass water gauge 6 with a scale
There are No.1 stop needle valve 1 and No. three stop needle valves 3, in the entrance and exit difference of No. two glass water gauges 7 with a scale
No. two stop needle valves 2 and No. four stop needle valves 4 are provided with, are provided with draining needle on the drainage pipeline that three-way connection 8 connects
Type valve 5.
In the present embodiment, the diameter of stainless steel tube 11 is 8mm.
In the present embodiment, No.1 glass water gauge 6 with a scale and No. two glass water gauges 7 with a scale are arranged symmetrically.
In the present embodiment, according to different live actual ranges, outfit needle valve is several, stainless steel tube 11 is several, threeway
Connector 8 is several, angle coupling 10 is several, straight coupling 9 is several.
Referring to Fig. 1 to Fig. 2, the application method of level measuring benchmark dynamic comparison device, steps are as follows:
1, according to live actual range, the stainless steel tube 11 of different length is selected, has been connected with several straight couplings 9
Come, stop needle valve and draining needle valve 5 are in off state at this time；
2, each stop needle valve is opened, is infused into No.1 glass water gauge 6 with a scale and No. two glass water gauges 7 with a scale
Water guarantees glass water gauge liquid level with a scale as it can be seen that the water surface is made to be higher by known water level datum mark；
3, by the No.1 of device two sides glass water gauge 6 with a scale and No. two glass water gauges 7 with a scale respectively close to
The water level datum mark known and the datum mark being corrected, and guarantee that the water surface in the glass water gauge 6 for keeping No.1 with a scale is higher by
The water level datum mark known；
4, draining needle valve 5 is opened, is slowly discharged water, until the water surface and known water in No.1 glass water gauge 6 with a scale
Position datum mark is concordant, closes draining needle valve 5；
5, at the equipment for being calibrated side, the water surface compareed in No. two glass water gauges 7 with a scale is marked.This is school
Level measuring datum mark after just.
It is any to be familiar with although the present invention is disclosed as above with embodiment, its protection scope being not intended to limit the invention
The technical staff of this technology changes and retouches made without departing from the spirit and scope of the invention, should belong to this hair
Bright protection scope.
Claims (4)
1. a kind of level measuring benchmark dynamic comparison device, which is characterized in that including stop needle valve, draining needle valve (5), band
Glass water gauge, three-way connection (8), straight coupling (9), angle coupling (10) and the stainless steel tube (11) of scale；The cut-off
Needle valve includes No.1 stop needle valve (1), No. two stop needle valves (2), No. three stop needle valves (3) and No. four cut-off needle-like
Valve (4), the glass water gauge with a scale include No.1 glass water gauge with a scale (6) and No. two baths of glass with a scale
Position meter (7)；No.1 glass water gauge with a scale (6) and No. two glass water gauges (7) with a scale are by stainless steel tube
(11) it is connected by angle coupling (10), straight coupling (9) with three-way connection (8), and the glass water level with a scale in No.1
The entrance and exit of meter (6) is respectively arranged with No.1 stop needle valve (1) and No. three stop needle valves (3), with a scale at No. two
The entrance and exit of glass water gauge (7) be respectively arranged with No. two stop needle valves (2) and No. four stop needle valves (4), institute
It states and is provided with draining needle valve (5) on the drainage pipeline of three-way connection (8) connection.
2. level measuring benchmark dynamic comparison device according to claim 1, which is characterized in that the stainless steel tube (11)
Diameter be 8mm.
3. level measuring benchmark dynamic comparison device according to claim 1, which is characterized in that the No.1 is with a scale
Glass water gauge (6) and No. two glass water gauges (7) with a scale are arranged symmetrically.
4. a kind of application method of level measuring benchmark dynamic comparison device as claimed in any one of claims 1-3, special
Sign is that steps are as follows:
1, according to live actual range, the stainless steel tube (11) of different length is selected, is connected with several straight couplings (9)
Get up, stop needle valve and draining needle valve (5) are in off state at this time；
2, each stop needle valve, the glass water gauge (7) with a scale to No.1 glass water gauge with a scale (6) and No. two are opened
Interior water filling guarantees glass water gauge liquid level with a scale as it can be seen that the water surface is made to be higher by known water level datum mark；
3, the glass water gauge (7) with a scale of the No.1 of device two sides glass water gauge with a scale (6) and No. two is leaned on respectively
Nearly known water level datum mark and the datum mark being corrected, and guarantee the water surface in the glass water gauge (6) for keeping No.1 with a scale
It is higher by known water level datum mark；
4, draining needle valve (5) is opened, is slowly discharged water, until the water surface and known in No.1 glass water gauge with a scale (6)
Water level datum mark it is concordant, close draining needle valve (5)；
5, at the equipment for being calibrated side, the water surface compareed in No. two glass water gauges (7) with a scale is marked,
This is the level measuring datum mark after correcting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208540.1A CN109990874A (en) | 2019-03-19 | 2019-03-19 | A kind of level measuring benchmark dynamic comparison device and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208540.1A CN109990874A (en) | 2019-03-19 | 2019-03-19 | A kind of level measuring benchmark dynamic comparison device and application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109990874A true CN109990874A (en) | 2019-07-09 |
Family
ID=67129211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910208540.1A Pending CN109990874A (en) | 2019-03-19 | 2019-03-19 | A kind of level measuring benchmark dynamic comparison device and application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109990874A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115658A (en) * | 2013-02-05 | 2013-05-22 | 河南省电力公司电力科学研究院 | Calibration device of water level measuring equipment |
| CN206847739U (en) * | 2017-04-14 | 2018-01-05 | 张家港市检验检测中心 | Two-way self-circulation type liquid level meter detecting device |
| CN108225497A (en) * | 2018-01-17 | 2018-06-29 | 南通联科电子科技有限公司 | A kind of liquid level class meter calibration device |
| CN209605913U (en) * | 2019-03-19 | 2019-11-08 | 华电电力科学研究院有限公司 | A kind of level measuring benchmark dynamic comparison device |
-
2019
- 2019-03-19 CN CN201910208540.1A patent/CN109990874A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115658A (en) * | 2013-02-05 | 2013-05-22 | 河南省电力公司电力科学研究院 | Calibration device of water level measuring equipment |
| CN206847739U (en) * | 2017-04-14 | 2018-01-05 | 张家港市检验检测中心 | Two-way self-circulation type liquid level meter detecting device |
| CN108225497A (en) * | 2018-01-17 | 2018-06-29 | 南通联科电子科技有限公司 | A kind of liquid level class meter calibration device |
| CN209605913U (en) * | 2019-03-19 | 2019-11-08 | 华电电力科学研究院有限公司 | A kind of level measuring benchmark dynamic comparison device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108061592B (en) | A method of for half grout sleeve standard grout amount of quick field calibration reinforcing bar | |
| CN209605913U (en) | A kind of level measuring benchmark dynamic comparison device | |
| CN109990874A (en) | A kind of level measuring benchmark dynamic comparison device and application method | |
| CN201772916U (en) | Calibration equipment for mass flow meter | |
| CN213021788U (en) | Float-type liquid level measuring instrument calibration device | |
| KR200475581Y1 (en) | Water level control type soil infiltration velocity measuring apparatus | |
| CN104372717A (en) | System and method for on-line monitoring and modulating slurry pH | |
| CN208536934U (en) | A kind of drainage type ultrasonic instrument | |
| CN209727720U (en) | Soil permeability coefficient detection device | |
| CN203657894U (en) | Novel water meter under-pressure inspection device | |
| CN206919988U (en) | Open channel and conduit wastewater flow integral standard device | |
| CN210664601U (en) | Valve seal leakage quantity measuring device | |
| CN220819157U (en) | Flowmeter detecting device | |
| CN217878236U (en) | Oil flow pipeline pressure testing and purging device | |
| CN205426281U (en) | Novel water level changer sample pipeline water injection system | |
| CN110702182A (en) | Petroleum mass flow detection system and detection method thereof | |
| KR200477068Y1 (en) | Sensing line filling device for level transmmitter | |
| CN205590272U (en) | Liquid medicine filling distributor | |
| CN211425602U (en) | Water meter detection device | |
| CN219391251U (en) | Detection device for leakage amount of valve low-pressure air sealing test | |
| CN213517032U (en) | System for online concentration detection of concentrated sulfuric acid | |
| CN206772776U (en) | A kind of minute-pressure permeameter | |
| CN209673309U (en) | A kind of closestool water channel gas leak detection device | |
| CN210981374U (en) | Flow constant temperature and pressure measuring device for parts | |
| CN209880172U (en) | Nuclear power station condensate flow measuring device |
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 |