CN208537341U - A kind of slurry density measurement device - Google Patents

A kind of slurry density measurement device Download PDF

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Publication number
CN208537341U
CN208537341U CN201820973553.9U CN201820973553U CN208537341U CN 208537341 U CN208537341 U CN 208537341U CN 201820973553 U CN201820973553 U CN 201820973553U CN 208537341 U CN208537341 U CN 208537341U
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China
Prior art keywords
cylinder
slurries
density measurement
measurement device
slurry density
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CN201820973553.9U
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Chinese (zh)
Inventor
梁顺通
王维权
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China Resources Power Dengfeng Co Ltd
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China Resources Power Dengfeng Co Ltd
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Abstract

The utility model discloses a kind of slurry density measurement devices, cylinder including being equipped with preset volume, the gravity measuring device of the weight for measuring cylinder is linked with above cylinder, cylinder, which is equipped with, enters cylinder and can be to the inlet duct of preset volume for slurries, inlet duct is equipped with the first valve for switch, and the bottom of cylinder is equipped with the emptying pipeline for being emptied to slurries.Using slurry density measurement device provided by the utility model, the first valve is opened, slurries enter to cylinder by inlet duct, and gravity measuring device detects the weight of the intracorporal slurries of cylinder, according to formulaThe density of slurries can be obtained, compared with the prior art, the device is using the outer weight method measurement of tower, the disturbance for eliminating slurries whirlpool in tower measures weight and calculates serum density by preset volume, algorithm is simple and meets measurement accuracy requirement, and apparatus structure is simply convenient for being arranged.

Description

A kind of slurry density measurement device
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.Therefore, accurate, stable online density measuring instrument for wet desulphurization conversion ratio control to close weight It wants.The measurement method of current more mainstream:
1, upper and lower two holes are opened using on absorbing tower wall, pressure sensor is installed in two apertures, measured certain high The slurries differential pressure of degree converses serum density, the method economy but unreliable, and slurries easily cause the abrasion of pipeline, blocking etc. to ask Topic, in addition absorption tower slurries are sucked by blender, foam, dustiness, oxidation wind, slurry circulating pump in unit normal course of operation The influence of mouth eddy flow and flushing water, differential pressure signal will appear transition, sharp wave and increase phenomenon suddenly;
2, using mass density measuring device, the method measurement is accurate and reliable, but equipment price is high, and equipment life is not It is long.
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 Density measure easily causes pipeline to wear and block and the problem of measurement result inaccuracy.
In order to achieve the above object, the utility model provides the following technical solutions:
A kind of slurry density measurement device is linked with above the cylinder and is used for including the cylinder equipped with preset volume Measure the gravity measuring device of the weight of the cylinder, the cylinder, which is equipped with, enters the cylinder for slurries and can be to described The inlet duct of preset volume, the inlet duct are equipped with the first valve for switch, and the bottom of the cylinder, which is equipped with, to be used In the emptying pipeline emptied to slurries.
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 pipe for guaranteeing liquid level is equipped at the corresponding height of the preset volume of the cylinder Road, the overflow passage and the emptying pipeline connection.
Preferably, the gravity measuring device is equipped with the fixed ring for connecting with the cylinder, sets on the cylinder There is the hanging cable connecting with the fixed ring, the hanging cable is uniformly arranged along the circumferential direction of the cylinder.
Preferably, the overflow passage is symmetrical arranged along the central axis two sides of the cylinder.
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 evacuated tube road is equipped with the third valve for switch.
Preferably, the bottom of the emptying pipeline is equipped with the buccal funnel out for accepting slurries.
Preferably, the preset volume is 50L.
The top of slurry density measurement device provided by the utility model, the cylinder including being equipped with preset volume, cylinder is hung Gravity measuring device equipped with the weight for measuring cylinder, cylinder, which is equipped with, enters cylinder and can be to preset volume for slurries Inlet duct, inlet duct is equipped with the first valve for switch, and the bottom of cylinder is equipped with for emptying to slurries Emptying pipeline.
Using slurry density measurement device provided by the utility model, open the first valve, slurries by inlet duct into Enter to cylinder, gravity measuring device detects the weight of the intracorporal slurries of cylinder, according to formulaThe density of slurries, phase can be obtained Than in the prior art, which is eliminated the disturbance of slurries whirlpool in tower, by preset volume, is surveyed using the outer weight method measurement of tower It measures weight and calculates serum density, algorithm is simple and meets measurement accuracy requirement, and apparatus structure is simply convenient for being arranged.
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.
It is marked in attached drawing as follows:
Gravity measuring device 1, inlet duct 2, flushing pipeline 3, overflow passage 4, cylinder 5, emptying pipeline 6.
Specific embodiment
The utility model embodiment discloses a kind of slurry density measurement device, is easily made with solving existing serosity density measurement At pipeline abrasion and blocking and the problem of measurement result inaccuracy.
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.
Referring to Fig. 1, Fig. 1 is a kind of structural representation of slurry density measurement device provided by the embodiment of the utility model Figure.
In a kind of specific embodiment, slurry density measurement device provided by the utility model, including be equipped with default The cylinder 5 of volume, the top of cylinder 5 are linked with the gravity measuring device 1 of the weight for measuring cylinder 5, and cylinder 5, which is equipped with, to be used Enter cylinder 5 in slurries and the first valve for switch, cylinder can be equipped with to the inlet duct 2 of preset volume, inlet duct 2 The bottom of body 5 is equipped with the emptying pipeline 6 for being emptied to slurries.
Gravity measuring device 1 is hung on the top of cylinder 5, is preferably removably fixedly connected, and inlet duct 2 goes out liquid Mouth may be provided at the corresponding position of height corresponding to the preset volume of cylinder 5, and inlet duct 2 is equipped with the first valve, and first Valve is preferably motor-driven valve connected to the controller, and the long-range control of the first valve, controller and electricity can be realized by controller The structure and connection relationship of dynamic valve can refer to the prior art.Certainly, in other embodiments, the first valve may be set to be hand Dynamic valve, it is within the protection scope of the present utility model.The bottom of cylinder 5 is equipped with emptying pipeline 6, and emptying pipeline 6 is equipped with third Valve, third valve are motor-driven valve or hand-operated valve, can be voluntarily configured.
Using slurry density measurement device provided by the utility model, open the first valve, slurries by inlet duct 2 into Enter to cylinder 5, gravity measuring device 1 detects the weight of the slurries in cylinder 5, according to formulaThe close of slurries can be obtained Degree, compared with the prior art, the device are eliminated the disturbance of slurries whirlpool in tower, are held by default using the outer weight method measurement of tower Product, measurement weight calculate serum density, and algorithm is simple and meets measurement accuracy requirement, and apparatus structure is simply convenient for being arranged.
Specifically, the top of cylinder 5 is additionally provided with the flushing pipeline 3 for being rinsed to slurries, flushing pipeline 3 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 3 is rinsed the inner wall of cylinder 5, prevents slurries from bonding on pipeline, guarantees the accuracy of measurement.
Further, the overflow passage 4 for guaranteeing liquid level is equipped at the corresponding height of the preset volume of cylinder 5, Overflow passage 4 is connected to emptying pipeline 6.Thus it is arranged to guarantee that the slurries in cylinder 5 reach the preset volume of cylinder, overflow pipe The overflow port on road 4 is arranged on the side wall at the corresponding height of cylinder 5, and overflow passage 4 is connected to emptying pipeline 6 to pass through emptying Extra slurries are discharged pipeline 6.
In one embodiment, gravity measuring device 1 is equipped with the fixed ring for connecting with cylinder 5, and cylinder 5 is equipped with The hanging cable connecting with fixed ring, hanging cable are uniformly arranged along the circumferential direction of cylinder 5.Hanging cable may be configured as three, respectively along the week of cylinder 5 To being uniformly arranged to keep the balance of cylinder 5 and the level of liquid level.The fixed installation of gravity measuring device 1 firm steel at the scene On bracket, according to circumstances can voluntarily it be configured.
In one embodiment, overflow passage 4 along the central axis two sides of cylinder 5 be symmetrical arranged, be thus arranged to avoid The centre-of gravity shift of cylinder 5, overflow passage 4 are divided to the two sides that the central axis of cylinder 5 is separately positioned on for two branches, overflow pipe The main line of way outlet connect the discharge for realizing extra slurries with emptying pipeline 6.
Specifically, the top of cylinder 5 is equipped with the wealthy oral area for preventing slurries and flushing water from splashing, inlet duct 2 and punching The liquid outlet for washing pipeline 3 is separately positioned in wealthy oral area.Inlet duct 2 and the liquid outlet of flushing pipeline 3 are separately positioned on wealthy mouth In portion.The diameter of wealthy oral area is greater than the diameter of cylinder 5, and the liquid of inlet duct 2 and flushing pipeline 3 passes through liquid outlet respectively and enters Wealthy oral area, to prevent the splashing of slurries and flushing water, it is preferable that wealthy oral area is specially wealthy buccal funnel, in order to prevent rainwater and outer Portion's foreign matter enters, and top cover is arranged at the top of wealthy oral area, and slurry density measurement device can be fixed by the way that bracket is arranged, Cylinder 5 is fixed on bracket by clip and is safeguarded in order to which the later period dismounts, bracket 4.5m*0.5m.
Specifically, the bottom of emptying pipeline 6 is equipped with the buccal funnel that goes out for accepting slurries, slurries are by emptying pipeline 6 first Buccal funnel is drained into out, then melt pit is led to by pipeline or trench, in other embodiments, trench can also be drained by pipeline, It is within the protection scope of the present utility model.
In a kind of specific embodiment, slurries in absorption tower are led into the cylindrical tube 5 that preset volume is 50L In, it demarcates on the pipeline of the slurries after volume above cylinder 5 and opens up overflow hole, guarantee that slurries volume is accurate in container, in cylinder Weight sensor is installed in the top of body 5, and weight information is reached controller by weight sensor, according to formulaCylinder 5 Slurries are full of cylinder 5, weigh up slurry weight, calculate serum density, which need to only consolidate gravity sensor by given volume Be scheduled on can load-bearing 150Kg position, decentralization reserve measuring device space, other devices are not necessarily to fix.By slurries and punching Cylinder 5 is discharged in wash water, is rinsed after each measurement.
It compared to traditional approach, is measured using weight method outside tower, eliminates the disturbance of slurries vortex in tower, held by default Product, measurement weight calculate gypsum slurries density, and algorithm is simple, meet measurement accuracy requirement.Water loop is rinsed in reasonable design, It under the premise of ensure that measurement accuracy, solves the abrasion and blockage problem of measurement pipe, saves maintenance cost.The measuring device Integrated symmetric arrangement, uses three suspension cable wires, avoids run-off the straight, the device being weighed is made to remain water when steelyard weighs Level state.Steelyard is fixedly mounted on firm steel construction at the scene.By the second valve of flushing pipeline 3, inlet duct 2 The control cable of the third valve of first valve and emptying pipeline 6 introduces DCS system, and valve acts in order may be implemented a key Formula measurement.The feature that the device has structure simple, easily operated, safe and reliable, energy-efficient.
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 (10)

1. a kind of slurry density measurement device, which is characterized in that the top of the cylinder including being equipped with preset volume, the cylinder is hung Gravity measuring device equipped with the weight for measuring the cylinder, the cylinder be equipped with for slurries enter the cylinder and The first valve for switch, the bottom of the cylinder can be equipped with to the inlet duct of the preset volume, the inlet duct Portion is equipped with the emptying pipeline for being emptied to slurries.
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 the preset volume pair of the cylinder The overflow passage for guaranteeing liquid level, the overflow passage and the emptying pipeline connection are equipped at the height answered.
4. slurry density measurement device according to claim 3, which is characterized in that the gravity measuring device, which is equipped with, to be used In the fixed ring connecting with the cylinder, the cylinder is equipped with the hanging cable connecting with the fixed ring, and the hanging cable is described in The circumferential direction of cylinder is uniformly arranged.
5. slurry density measurement device according to claim 4, which is characterized in that the overflow passage is along the cylinder Central axis two sides are symmetrical arranged.
6. slurry density measurement device according to claim 5, 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.
7. slurry density measurement device according to claim 6, 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.
8. slurry density measurement device according to claim 7, which is characterized in that the evacuated tube road is equipped with for opening The third valve of pass.
9. slurry density measurement device according to claim 8, which is characterized in that the bottom of the emptying pipeline, which is equipped with, to be used In the buccal funnel out for accepting slurries.
10. slurry density measurement device according to claim 9, which is characterized in that the preset volume is 50L.
CN201820973553.9U 2018-06-22 2018-06-22 A kind of slurry density measurement device Active CN208537341U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820973553.9U CN208537341U (en) 2018-06-22 2018-06-22 A kind of slurry density measurement device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820973553.9U CN208537341U (en) 2018-06-22 2018-06-22 A kind of slurry density measurement device

Publications (1)

Publication Number Publication Date
CN208537341U true CN208537341U (en) 2019-02-22

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Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112595627A (en) * 2020-10-13 2021-04-02 华电电力科学研究院有限公司 Intelligent desulfurization slurry densimeter
CN115901521A (en) * 2022-11-29 2023-04-04 中煤(天津)洗选科技有限公司 High-precision concentration meter for detecting concentration of mixed slurry

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112595627A (en) * 2020-10-13 2021-04-02 华电电力科学研究院有限公司 Intelligent desulfurization slurry densimeter
CN115901521A (en) * 2022-11-29 2023-04-04 中煤(天津)洗选科技有限公司 High-precision concentration meter for detecting concentration of mixed slurry

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