CN209296056U - One kind is for measuring liquid level of slurry, density, apparatus for measuring concentration - Google Patents
One kind is for measuring liquid level of slurry, density, apparatus for measuring concentration Download PDFInfo
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- CN209296056U CN209296056U CN201920197185.8U CN201920197185U CN209296056U CN 209296056 U CN209296056 U CN 209296056U CN 201920197185 U CN201920197185 U CN 201920197185U CN 209296056 U CN209296056 U CN 209296056U
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Abstract
One kind is for measuring liquid level of slurry, density, apparatus for measuring concentration, including storage tank, the upper, middle and lower of storage tank is respectively equipped with first pressure transmitter, second pressure transmitter and third pressure transmitter, and first pressure transmitter, second pressure transmitter and third pressure transmitter pass through washing ring and connect with storage tank；It is connect by flushing pipe with check-valves on the washing ring, check-valves is connect by flushing pipe with the first valve, first valve is connect by flushing pipe with permanent flow valve bubbling device, permanent flow valve bubbling device is connect by flushing pipe with the second valve, and the second valve other end is for being connected to desalted water.The present apparatus can accurately measure the liquid level, density, concentration of slurries, while can be rinsed to the probe of pressure transformer, reduce measurement error.
Description
Technical field
The utility model belongs to slurries parameter measuring technical field, in particular to it is a kind of for measure liquid level of slurry, density,
Apparatus for measuring concentration.
Background technique
In the industrial productions such as chemical industry, papermaking, alkaline, electric power, risen in the concentration relationship of slurries to energy conservation, ratio control etc.
To critical effect.Routine Test Lab sample examination measures concentration, and human factor is larger, time lag, complicated for operation, to life
The directive significance of production is very little；The country there is no the detection instrument of mature and reliable, even if there are some detection systems in foreign countries, there is also valences
The problems such as lattice are expensive, use condition is harsh, difficult in maintenance.
In addition, the liquid level of slurries, density, the measurement of three parameters of concentration its difficult point are: slurries have viscosity, are easy
The probe of viscous measuring cell, so as to cause measurement error.
Utility model content
In view of technical problem present in background technique, it is provided by the utility model it is a kind of for measure liquid level of slurry,
Density, apparatus for measuring concentration can accurately measure the liquid level, density, concentration of slurries, while can carry out to the probe of pressure transformer
It rinses, reduces measurement error.
In order to solve the above-mentioned technical problem, the utility model takes following technical solution to realize:
One kind is for measuring liquid level of slurry, density, apparatus for measuring concentration, including storage tank, the upper, middle and lower of storage tank
It is respectively equipped with first pressure transmitter, second pressure transmitter and third pressure transmitter, first pressure transmitter, second pressure
Transmitter and third pressure transmitter pass through washing ring and connect with storage tank；
It is connect by flushing pipe with check-valves on the washing ring of second pressure transmitter and third pressure transmitter, only
It returns valve to connect by flushing pipe with the first valve, the first valve is connect by flushing pipe with permanent flow valve bubbling device, constant current
Valve bubbling device is connect by flushing pipe with the second valve, and the second valve other end is for being connected to desalted water；
Storage tank is equipped with thermometer, and thermometer is electrically connected with control device, control device and with first pressure transmitter, the
Two pressure transmitters, third pressure transmitter, the first valve are connected with permanent flow valve bubbling device.
In preferred scheme, first valve is guide electromagnetic valve.
In preferred scheme, the control device is DCS.
In preferred scheme, second valve is ball valve.
In preferred scheme, the tank top is equipped with entrance, and tank bottom is equipped with discharge port.
In preferred scheme, stirring blade is equipped in the storage tank, stirring blade is driven by blender to be rotated, described
Blender is installed in tank top.
In preferred scheme, the storage tank top is equipped with overflow port, and overflow port is connected with overflow pipe.
This patent can reach it is following the utility model has the advantages that
1, since the density of differential pressure and slurries between second pressure transmitter and third pressure transmitter is in a linear relationship,
Serum density can be extrapolated by second pressure transmitter and third pressure transmitter differential pressure value；In situation known to density,
Acceleration of gravity is definite value, then height can be converted by second pressure transmitter and third pressure transmitter differential pressure value, from
And measure the height of slurries；Any single medium can consult that " concentration-is close in the case where known density and temperature
Degree-temperature " the table of comparisons, to obtain concentration value；
2, it is equipped with stirring blade in storage tank, prevents slurries stationary for a long time and generates solidification phenomenon；
3, the washing ring of second pressure transmitter and third pressure transmitter is connected with flushing pipe, when the concentration mistake of slurries
Height, second pressure transmitter and third pressure transmitter measurement can lag, and the first valve of time time opening can be arranged by DCS
To be rinsed to second pressure transmitter and third pressure transmitter probe segment, the accuracy of measurement is improved；
4, it is measured in fact when being due to density, compares general measuring method, can effectively avoid because of Media density
Variation causes error when measuring liquid level.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the utility model overall structure diagram.
In figure: first pressure transmitter 1, second pressure transmitter 2, third pressure transmitter 3, storage tank 4, check-valves 5,
One valve 61, permanent flow valve bubbling device 7, thermometer 8, stirring blade 9, blender 10, overflow port 11, rinses second valve 62
Ring 12.
Specific embodiment
Preferred scheme as shown in Figure 1, a kind of for measuring liquid level of slurry, density, apparatus for measuring concentration, including storage tank 4,
The upper, middle and lower of storage tank 4 is respectively equipped with first pressure transmitter 1, second pressure transmitter 2 and third pressure transmitter
3, first pressure transmitter 1, second pressure transmitter 2 and third pressure transmitter 3 are connect by washing ring 12 with storage tank 4；
The first pressure transmitter 1, second pressure transmitter 2 and third pressure transmitter 3 its model are 3051S
Series.
Connected by flushing pipe and check-valves 5 on the washing ring 12 of second pressure transmitter 2 and third pressure transmitter 3
It connects, check-valves 5 is connect by flushing pipe with the first valve 61, and the first valve 61 passes through flushing pipe and permanent flow valve bubbling device
7 connections, permanent flow valve bubbling device 7 are connect by flushing pipe with the second valve 62, and 62 other end of the second valve is de- for being connected to
Salt water；
Storage tank 4 is equipped with thermometer 8, and thermometer 8 is electrically connected with control device, control device and with first pressure transmitter
1, second pressure transmitter 2, third pressure transmitter 3, the first valve 61 and permanent flow valve bubbling device 7 are electrically connected；
Its model of permanent flow valve bubbling device 7 CMA20-900-H series, its Graduation Number of thermometer 8 is PT100.
Preferred scheme is as shown in Figure 1, the first valve 61 is guide electromagnetic valve, 551 series of model.
Preferred scheme is as shown in Figure 1, the control device is DCS.
Preferred scheme is as shown in Figure 1, the second valve 62 is ball valve.
For preferred scheme as shown in Figure 1, being equipped with entrance at the top of storage tank 4,4 bottom of storage tank is equipped with discharge port.
As shown in Figure 1, being equipped with stirring blade 9 in storage tank 4, stirring blade 9 is driven by blender 10 to be rotated preferred scheme,
The blender 10 is installed in 4 top of storage tank.
For preferred scheme as shown in Figure 1,4 top of storage tank is equipped with overflow port 11, overflow port 11 is connected with overflow pipe；It is described
11 position of overflow port be slightly below the height of first pressure transmitter 1.
The working principle of whole device is as follows:
1, first pressure transmitter 1 is mounted on 4 top of storage tank, and 1 mounting height of first pressure transmitter is slightly above overflow
The height of mouth 11, so that the pressure that first pressure transmitter 1 measures is gas pressure, it is not the pressure of slurries, so first
1 washing ring 12 of pressure transmitter does not install flushing pipe；
2,4 middle part of storage tank is mounted on by second pressure transmitter 2, third pressure transmitter 3 is mounted on 4 bottoms of storage tank
Portion, the liquid level of slurries is between first pressure transmitter 1 and second pressure transmitter 2；Due to second pressure transmitter 2, third
Pressure transmitter 3 and slurry liquid contacts, contact will affect measurement for a long time.So second pressure transmitter 2, third pressure transmitter
3 are equipped with washing ring 12；
3, when 2 liang of third pressure transmitter 3, second pressure transmitter transmitters measure differential pressure, the differential pressure according to differential pressure with
Acceleration of gravity, height relationship obtain P=ρ gh, the density of medium；
4, when the differential pressure of third pressure transmitter 3 and 1 liang of transmitter of first pressure transmitter, add with Media density, gravity
Ratio of the center away from product of speed, third pressure transmitter 3 and 1 liang of transmitter interface of first pressure transmitter is exactly liquid level height
Degree；
5, after passing through third pressure transmitter 3,2 differential pressure check weighing density of second pressure transmitter, thermometer 8 has measured temperature
Degree, obtains the concentration of medium according to the table of comparisons of " CONCENTRATION DENSITY-temperature " of Single Medium；
6, it after third pressure transmitter 3, second pressure transmitter 2 measure a period of time, can periodically carry out to pick-up
Device is cleaned；The density at a moment before flushing, DCS keeps the numerical value at upper a moment constant, and DCS opens the first valve 61, rinses
(time is adjustable) for a period of time, is restored to normal measurement after the completion.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the protection scope of the utility model should be recorded with claim, the technical solution recorded including claim
The equivalents of middle technical characteristic are protection scope.Equivalent replacement i.e. within this range is improved, also in the utility model
Protection scope within.
Claims (7)
1. one kind is for measuring liquid level of slurry, density, apparatus for measuring concentration, including storage tank (4), it is characterised in that: storage tank (4)
Upper, middle and lower is respectively equipped with first pressure transmitter (1), second pressure transmitter (2) and third pressure transmitter
(3), first pressure transmitter (1), second pressure transmitter (2) and third pressure transmitter (3) by washing ring (12) with
Storage tank (4) connection；
Pass through flushing pipe and check-valves on the washing ring (12) of second pressure transmitter (2) and third pressure transmitter (3)
(5) it connects, check-valves (5) is connect by flushing pipe with the first valve (61), and the first valve (61) passes through flushing pipe and perseverance
Valve bubbling device (7) connection is flowed, permanent flow valve bubbling device (7) is connect by flushing pipe with the second valve (62), the second valve
(62) other end is for being connected to desalted water；
Storage tank (4) is equipped with thermometer (8), and thermometer (8) is electrically connected with control device, control device and with first pressure pick-up
Device (1), second pressure transmitter (2), third pressure transmitter (3), the first valve (61) and permanent flow valve bubbling device (7) are electrically connected
It connects.
2. according to claim 1 a kind of for measuring liquid level of slurry, density, apparatus for measuring concentration, it is characterised in that: the
One valve (61) is guide electromagnetic valve.
3. according to claim 1 a kind of for measuring liquid level of slurry, density, apparatus for measuring concentration, it is characterised in that: institute
The control device stated is DCS.
4. according to claim 1 a kind of for measuring liquid level of slurry, density, apparatus for measuring concentration, it is characterised in that: the
Two valves (62) are ball valve.
5. according to claim 1 a kind of for measuring liquid level of slurry, density, apparatus for measuring concentration, it is characterised in that: storage
Entrance is equipped at the top of tank (4), storage tank (4) bottom is equipped with discharge port.
6. according to claim 1 a kind of for measuring liquid level of slurry, density, apparatus for measuring concentration, it is characterised in that: storage
Stirring blade (9) are equipped in tank (4), stirring blade (9) is driven by blender (10) to be rotated, and the blender (10) is installed in
At the top of storage tank (4).
7. according to claim 1 a kind of for measuring liquid level of slurry, density, apparatus for measuring concentration, it is characterised in that: storage
Tank (4) top is equipped with overflow port (11), and overflow port (11) is connected with overflow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197185.8U CN209296056U (en) | 2019-02-14 | 2019-02-14 | One kind is for measuring liquid level of slurry, density, apparatus for measuring concentration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197185.8U CN209296056U (en) | 2019-02-14 | 2019-02-14 | One kind is for measuring liquid level of slurry, density, apparatus for measuring concentration |
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| Publication Number | Publication Date |
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| CN209296056U true CN209296056U (en) | 2019-08-23 |
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ID=67642829
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920197185.8U Active CN209296056U (en) | 2019-02-14 | 2019-02-14 | One kind is for measuring liquid level of slurry, density, apparatus for measuring concentration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678840A (en) * | 2020-05-27 | 2020-09-18 | 华能陕西渭南热电有限公司 | Device and method for measuring density of desulfurization absorption tower of power plant |
-
2019
- 2019-02-14 CN CN201920197185.8U patent/CN209296056U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678840A (en) * | 2020-05-27 | 2020-09-18 | 华能陕西渭南热电有限公司 | Device and method for measuring density of desulfurization absorption tower of power plant |
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