CN209605913U - A kind of level measuring benchmark dynamic comparison device - Google Patents
A kind of level measuring benchmark dynamic comparison device Download PDFInfo
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- CN209605913U CN209605913U CN201920347879.5U CN201920347879U CN209605913U CN 209605913 U CN209605913 U CN 209605913U CN 201920347879 U CN201920347879 U CN 201920347879U CN 209605913 U CN209605913 U CN 209605913U
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- scale
- glass water
- needle valve
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- glass
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Abstract
The utility model relates to a kind of level measuring benchmark dynamic comparison devices, 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 utility model 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 utility model 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 utility model relates to a kind of level measuring benchmark dynamic comparison devices, belong to industrial water level automatic control technology neck
Domain 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.
Utility model content
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide a kind of level measuring base
Quasi dynamic comparison device can effectively improve the accuracy of level measuring.
The technical scheme in the invention for solving the above technical problem is: a kind of level measuring benchmark dynamic comparison dress
Set, which is characterized in that including stop needle valve, draining needle valve, glass water gauge with a scale, three-way connection, straight coupling,
Angle coupling and stainless steel tube；The stop needle valve includes No.1 stop needle valve, No. two stop needle valves, No. three cut-off needles
Type valve and No. four stop needle valves, the glass water gauge with a scale include No.1 glass water gauge with a scale and No. two bands
The glass water gauge of scale；No.1 glass water gauge with a scale and No. two glass water gauges with a scale are by stainless steel tube
It is connected by angle coupling, straight coupling with three-way connection, and in the entrance and exit of No.1 glass water gauge with a scale
It is respectively arranged with No.1 stop needle valve and No. three stop needle valves, in the entrance and exit of No. two glass water gauges with a scale
It is respectively arranged with No. two stop needle valves and No. four stop needle valves, the row of being provided on the drainage pipeline of the three-way connection connection
Water needle 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, has been connected with several straight couplings
Come, stop needle valve and draining needle valve are in off state at this time；
2, each stop needle valve is opened, into No.1 glass water gauge with a scale and No. two glass water gauges with a scale
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, 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 being corrected, and guarantee that the water surface in the glass water gauge for keeping No.1 with a scale is higher by
The water level datum mark known；
4, draining needle valve is opened, is slowly discharged water, until the water surface and known in No.1 glass water gauge with a scale
Water level 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
For the level measuring datum mark after correction.
The utility model compared with prior art, has 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 utility model embodiment to add level measuring schematic diagram.
Fig. 2 is the structural schematic diagram of level measuring benchmark dynamic comparison device in the utility model embodiment.
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 utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
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, 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 is opened, to No.1 glass water gauge 6 with a scale and No. two glass water gauges 7 with a scale
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 No.1 of device two sides glass water gauge 6 with a scale and No. two glass water gauges 7 with a scale are leaned on respectively
Nearly known water level datum mark 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 high
Known water level datum mark out；
4, draining needle valve 5 is opened, is slowly discharged water, until the water surface and known in No.1 glass water gauge 6 with a scale
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
For the level measuring datum mark after correction.
Although the utility model is disclosed as above with embodiment, its protection scope being not intended to limit the utility model,
Any technical staff for being familiar with this technology, it is made in the conception and scope for not departing from the utility model to change and retouch,
It all should belong to the protection range of the utility model.
Claims (3)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920347879.5U CN209605913U (en) | 2019-03-19 | 2019-03-19 | A kind of level measuring benchmark dynamic comparison device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920347879.5U CN209605913U (en) | 2019-03-19 | 2019-03-19 | A kind of level measuring benchmark dynamic comparison device |
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| Publication Number | Publication Date |
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| CN209605913U true CN209605913U (en) | 2019-11-08 |
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| CN201920347879.5U Active CN209605913U (en) | 2019-03-19 | 2019-03-19 | A kind of level measuring benchmark dynamic comparison device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990874A (en) * | 2019-03-19 | 2019-07-09 | 华电电力科学研究院有限公司 | A kind of level measuring benchmark dynamic comparison device and application method |
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2019
- 2019-03-19 CN CN201920347879.5U patent/CN209605913U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990874A (en) * | 2019-03-19 | 2019-07-09 | 华电电力科学研究院有限公司 | A kind of level measuring benchmark dynamic comparison device and application method |
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