CN208537342U - Slurry density measurement device - Google Patents
Slurry density measurement device Download PDFInfo
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- CN208537342U CN208537342U CN201820973554.3U CN201820973554U CN208537342U CN 208537342 U CN208537342 U CN 208537342U CN 201820973554 U CN201820973554 U CN 201820973554U CN 208537342 U CN208537342 U CN 208537342U
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- pressure
- density measurement
- slurry density
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Abstract
The utility model discloses a kind of slurry density measurement devices, cylinder including being equipped with preset height, cylinder, which is equipped with, enters cylinder and can be to the inlet duct of preset height for slurries, inlet duct is equipped with the first valve for switch, and the bottom surface of cylinder is respectively provided with the pressure-detecting device detected to the pressure of slurries and the emptying pipeline for being emptied to slurries.Using slurry density measurement device provided by the utility model, the first valve is opened, and slurries are flow in cylinder by inlet duct reaches preset height, the pressure-detecting device of cylinder bottom surface detects the pressure of the intracorporal slurries of cylinder, according to formula P=ρ gh, the density of slurries can be obtained, which is measured using tower external pressure formula, eliminate the disturbance of differential pressure, by measuring pressure calculation serum density, algorithm is simple, meets measurement accuracy requirement, and device is simply easy to implement, and reduces measurement cost.
Description
Technical field
The utility model relates to densitometer fields, more specifically to a kind of slurry density measurement device.
Background technique
As Environmental Protection Situation is increasingly serious, modern large-size thermal power plant majority installs wet desulfurizing process additional to discharge flue gas
Control system controls the conversion ratio of SO2 by the density of on-line measurement lime stone slurry, and the economy of desulphurization system can be improved
Property and operational paradigm.
Using tower wall or more aperture is being absorbed, the differential pressure measurement of flange join type, the method economy but unreliable, slurries are easy
Cause pipeline abrasion, blocking the problems such as, in addition in unit normal course of operation absorption tower slurries by blender, foam, dust-laden
The influence of amount, oxidation fan, slurry circulating pump and flushing water, differential pressure signal will appear transition, sharp wave and increase phenomenon, shadow suddenly
Ring the accuracy of slurries measurement result.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of slurry density measurement device, to solve existing slurries
Measurement method easily causes the problems such as pipeline abrasion blocking and inaccurate measurement result.
In order to achieve the above object, the utility model provides the following technical solutions:
A kind of slurry density measurement device, including be equipped with preset height cylinder, the cylinder be equipped with for slurries into
Enter the cylinder and the first valve for switch can be equipped with to the inlet duct of the preset height, the inlet duct,
The bottom surface of the cylinder is respectively provided with the pressure-detecting device detected to the pressure of slurries and for carrying out to slurries
The emptying pipeline of emptying.
Preferably, the flushing pipeline for being rinsed to slurries, the flushing pipeline are additionally provided with above the cylinder
It is equipped with the second valve for switch.
Preferably, the overflow passage for guaranteeing liquid level is equipped at the preset height of the cylinder, it is described to overflow
Flow tube road and the emptying pipeline connection.
Preferably, the top of the cylinder is equipped with the wealthy oral area for preventing slurries and flushing water from splashing, the inlet tube
Road and the liquid outlet of the flushing pipeline are separately positioned in the wealthy oral area.
Preferably, the wealthy oral area is specially wealthy buccal funnel, and the top of the wealthy oral area is equipped with top cover.
Preferably, the pressure-detecting device is specially high-precision aneroid sensor.
Preferably, the bottom of the cylinder is horn-like.
Preferably, the bottom surface of the cylinder between the overflow port of the overflow passage be equipped with the preset height.
Preferably, the preset height is 5168mm.
Slurry density measurement device provided by the utility model, the cylinder including being equipped with preset height, cylinder, which is equipped with, to be used
Enter cylinder in slurries and the first valve for switch, cylinder can be equipped with to the inlet duct of preset height, inlet duct
Bottom surface be respectively provided with the pressure-detecting device detected to the pressure of slurries and the row for being emptied to slurries
Blank pipe road.
Using slurry density measurement device provided by the utility model, the first valve is opened, and slurries pass through inlet duct stream
Reaching preset height in cylinder, the pressure-detecting device of cylinder bottom surface detects the pressure of the intracorporal slurries of cylinder, according to
Formula P=ρ gh, can be obtained the density of slurries, which is measured using tower external pressure formula, eliminates the disturbance of differential pressure, passes through measurement
Pressure calculation serum density, algorithm is simple, meets measurement accuracy requirement, and device is simply easy to implement, reduces measurement cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of slurry density measurement device provided by the embodiment of the utility model；
Fig. 2 is the enlarged structure schematic diagram of cylinder body bottom provided by the embodiment of the utility model.
It is marked in attached drawing as follows:
Flushing pipeline 1, inlet duct 2, wealthy oral area 3, overflow passage 4, cylinder 5, emptying pipeline 6, pressure-detecting device 7.
Specific embodiment
The utility model embodiment discloses a kind of slurry density measurement device, is easily made with solving existing slurries measurement method
The problems such as wearing blocking and inaccurate measurement result at pipeline.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-Fig. 2 is please referred to, Fig. 1 is that a kind of structure of slurry density measurement device provided by the embodiment of the utility model is shown
It is intended to；Fig. 2 is the enlarged structure schematic diagram of cylinder body bottom provided by the embodiment of the utility model.
In a kind of specific embodiment, slurry density measurement device provided by the utility model, including be equipped with default
The cylinder 5 of height, cylinder 5, which is equipped with, enters cylinder 5 for slurries and can be to the inlet duct 2 of preset height, on inlet duct 2
Equipped with the first valve for switch, the bottom surface of cylinder 5 is respectively provided with the pressure detecting detected to the pressure of slurries
Device 7 and emptying pipeline 6 for being emptied to slurries.
Wherein, inlet duct 2 may be provided at the top of cylinder 5, realize inlet duct 2 by fixed frame or other devices
Fixation, be provided with the first valve on inlet duct 2, the first valve is preferably electrically operated valve, passes through the long-range control of controller
Realize the switch of the first valve, specific result and connection relationship can refer to the prior art.The bottom surface of cylinder 5 is equipped with pressure
Detection device 7, the two are preferably removably fixedly connected, and pressure-detecting device 7 is specially pressure sensor, certainly, at it
In his embodiment, the pressure-detecting device 7 of other forms may be selected, as long as identical technical effect can be reached.Cylinder 5
Bottom surface be equipped with emptying pipeline 6, emptying pipeline 6 on controlled valve is set, with realize emptying pipeline 6 flow adjust, can
Voluntarily it is configured.The preset height of cylinder 5 is preferably 5.168m, this is highly the height of 0.5MPa atmospheric pressure under water normality
Degree, i.e., completely cylinder water pressure should be 0.05MPa, this setting is convenient and efficient to facilitate the later period to verify measuring device with water, certainly,
In other embodiments, the corresponding height of self-setting and pressure also be can according to need, in the protection scope of utility model
It is interior.
Using slurry density measurement device provided by the utility model, the first valve is opened, and slurries are flowed by inlet duct 2
Reaching preset height in cylinder 5, the pressure-detecting device 7 of 5 bottom surface of cylinder detects the pressure of the slurries in cylinder 5,
According to formula P=ρ gh, the density of slurries can be obtained, wherein pressure P is obtained by the detection of pressure-detecting device 7, and g is constant, and h is
The preset height of cylinder 5, the device are measured using tower external pressure formula, eliminate the disturbance of differential pressure, by measuring pressure calculation slurries
Density, algorithm is simple, meets measurement accuracy requirement, and slurries remain static in measurement pipeline, eliminates measurement pressure institute
The reliability and accuracy of measurement are improved in the interference source received, and device is simply easy to implement, and reduce measurement cost.
Specifically, the top of cylinder 5 is additionally provided with the flushing pipeline 1 for being rinsed to slurries, flushing pipeline 1 is equipped with
The second valve for switch.After completing the density measure to slurries, the second valve can be controlled by controller and opened, rinsed
The flushing water of pipeline 1 is rinsed the inner wall of cylinder 5, prevents slurries from bonding on pipeline, guarantees the accuracy of measurement.
Further, be equipped with overflow passage 4 for guaranteeing liquid level at the preset height of cylinder 5, overflow passage 4 with
Pipeline 6 is emptied to be connected to.Thus it is arranged to guarantee that the slurries in cylinder 5 guarantee at preset height, the overflow port of overflow passage 4 is set
It sets on the side wall at the corresponding height of cylinder 5, overflow passage 4 is connected to emptying pipeline 6 will be extra to pass through emptying pipeline 6
Slurries discharge.
In one embodiment, the top of cylinder 5 is equipped with the wealthy oral area 3 for preventing slurries and flushing water from splashing, entrance
Pipeline 2 and the liquid outlet of flushing pipeline 1 are separately positioned in wealthy oral area 3.The diameter of wealthy oral area 3 is greater than the diameter of cylinder 5, entrance
Pipeline 2 and the liquid of flushing pipeline 1 pass through liquid outlet into wealthy oral area 3, to prevent the splashing of slurries and flushing water, preferably respectively
Ground, wealthy oral area 3 are specially that wealthy buccal funnel, in order to prevent rainwater and foreign enter, and top cover is arranged at the top of wealthy oral area 3,
Slurry density measurement device can be fixed by the way that bracket is arranged, cylinder 5 is fixed on bracket by clip in order to rear
Phase dismounting maintenance, bracket 4.5m*0.5m.
Specifically, pressure-detecting device 7 is specially high-precision aneroid sensor, in the effect of pressure and axial force
Under, displacement measurement pressure is generated using diaphragm and diaphragm capsule.In order to be installed to high-precision aneroid sensor, cylinder 5
Bottom be set as horn-like, the diameter of cylinder 5 is generally 50mm, and bottom area not enough installs pressure sensor and emptying pipeline
6, it selects the lesser measurement cylinder 5 of diameter only to need a small amount of slurries and flushing water, avoids generating a large amount of slurries and flushing
The discharge of water certainly in other embodiments, can also be with the bottom of self-setting cylinder 5, as long as can guarantee that pressure detecting fills
Set the installation of 7 and emptying pipeline 6.
In one embodiment, the bottom surface of cylinder 5 is to preset height is equipped between the overflow port of overflow passage 4, in general, in advance
If height is 5168mm.
The device is measured using tower external pressure formula, eliminates the disturbance of differential pressure, by measuring pressure calculation gypsum slurries density,
Algorithm is simple, meets measurement accuracy requirement.Because of slurries, the flushing water of reasonable amount needed for considering measurement every time, measuring cylinder design
Diameter is smaller (50 millimeters of internal diameter), to guarantee that bottom has enough spaces to install pressure sensor and emptying pipeline, measuring cylinder
Bottom is designed as horn-like (highly not less than pressure sensor capsule diameter twice), in the abrasion for solving measurement pipe and
While blockage problem, cost is saved.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (9)
1. a kind of slurry density measurement device, which is characterized in that the cylinder including being equipped with preset height, the cylinder, which is equipped with, to be used
Enter the cylinder in slurries and for switch can be equipped with to the inlet duct of the preset height, the inlet duct
One valve, the bottom surface of the cylinder are respectively provided with the pressure-detecting device detected to the pressure of slurries and for slurries
The emptying pipeline that liquid is emptied.
2. slurry density measurement device according to claim 1, which is characterized in that be additionally provided with and be used for above the cylinder
To the flushing pipeline that slurries are rinsed, the flushing pipeline is equipped with the second valve for switch.
3. slurry density measurement device according to claim 2, which is characterized in that at the preset height of the cylinder
Equipped with for guaranteeing the overflow passage of liquid level, the overflow passage and the emptying pipeline connection.
4. slurry density measurement device according to claim 3, which is characterized in that the top of the cylinder is equipped with for preventing
The liquid outlet of the only wealthy oral area that slurries and flushing water splash, the inlet duct and the flushing pipeline is separately positioned on described wealthy
In oral area.
5. slurry density measurement device according to claim 4, which is characterized in that the wealthy oral area is specially wealthy mouth leakage
The top of bucket, the wealthy oral area is equipped with top cover.
6. slurry density measurement device according to claim 5, which is characterized in that the pressure-detecting device is specially height
Precision aneroid sensor.
7. slurry density measurement device according to claim 6, which is characterized in that the bottom of the cylinder is horn-like.
8. slurry density measurement device according to claim 7, which is characterized in that the bottom surface of the cylinder to the overflow
The preset height is equipped between the overflow port of pipeline.
9. slurry density measurement device according to claim 8, which is characterized in that the preset height is 5168mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820973554.3U CN208537342U (en) | 2018-06-22 | 2018-06-22 | Slurry density measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820973554.3U CN208537342U (en) | 2018-06-22 | 2018-06-22 | Slurry density measurement device |
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| Publication Number | Publication Date |
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| CN208537342U true CN208537342U (en) | 2019-02-22 |
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| CN201820973554.3U Active CN208537342U (en) | 2018-06-22 | 2018-06-22 | Slurry density measurement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444866A (en) * | 2018-06-22 | 2018-08-24 | 华润电力登封有限公司 | Slurry density measurement device |
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2018
- 2018-06-22 CN CN201820973554.3U patent/CN208537342U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444866A (en) * | 2018-06-22 | 2018-08-24 | 华润电力登封有限公司 | Slurry density measurement device |
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