CN202256098U - Device for measuring density of liquid on line - Google Patents
Device for measuring density of liquid on line Download PDFInfo
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- CN202256098U CN202256098U CN2011203744087U CN201120374408U CN202256098U CN 202256098 U CN202256098 U CN 202256098U CN 2011203744087 U CN2011203744087 U CN 2011203744087U CN 201120374408 U CN201120374408 U CN 201120374408U CN 202256098 U CN202256098 U CN 202256098U
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Abstract
The utility model discloses a device for measuring the density of liquid on line. A measurement loop is formed by connecting flanges at the head and tail ends and on closed equipment. The device comprises a flow regulating valve, a main path filter, a volume flow meter and a mass flow meter, which are sequentially connected in series through main path pipelines, wherein the main path pipeline between the flow regulating valve and the main path filter and the main path pipeline between the volume flow meter and the mass flow meter are respectively connected with a thermoelectric coupler; and the main path pipeline between the main path filter and the volume flow meter and the main path pipeline between an outlet end of the mass flow meter and the flange at the tail end are respectively connected with a thermal resistor. The device for measuring the density of the liquid on line can be applied to on-line real-time monitoring of the density of the liquid which is on different occasions, has high viscosity or is colored, and is particularly applicable to measurement or real-time tracking of the density of the liquid in poisonous and harmful places. The whole measurement process is closed, so that the device is environment-friendly.
Description
Technical field
The utility model relates to a kind of fluid or density of liquid measurement mechanism; Said density measuring equipment can be monitored the device of interior poisonous and harmful fluid of Sealing Arrangement or density of liquid; Be specifically related to a kind of device of on-line measurement fluid density, it can realize the fluid density in chemical enterprise quantity-produced storage tank or the container is carried out the real-time follow-up monitoring.
Background technology
In existing technology, the measuring method of fluid density has two kinds: a kind of is hydrometer method, promptly measures at that time density of liquid under the temperature with picnometer; Another kind is the intelligent density appearance of processing according to long-range pressure transmission difference principle, like Chinese patent 03114657.0 described a kind of " online portable multi-function intelligence Liquid density instrument ".First method is measured loaded down with trivial details, will take a sample earlier, and then sample is heated to actual work temperature.Because some material cools down and reheats is irreversible; For fear of deviation, must make in advance a calibration curve, so knowledge of result fast; And measurement that it not quite is fit to high viscosity and colored liquid more can not be used for measuring poisonous and hazardous liquid.Second method is relatively harsher to measuring condition, and it is only applicable to ground tank body container, and must accurately measure the vertical range between two probes, and personal error is big, and price is also somewhat expensive, and is not suitable for the measurement of poisonous and harmful liquid equally.
The utility model content
The purpose of the utility model is in order to overcome the deficiency of prior art; A kind of device of on-line measurement fluid density is provided; It can be used for the on-line real time monitoring of different occasions or high viscosity or colored liquid density, and is specially adapted to the measurement or the real-time follow-up of poisonous and harmful place fluid density.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of device of on-line measurement fluid density is connected with flange on the Sealing Arrangement through first terminal flange and constitutes the measurement loop.Said device comprises that the flow control valve, main road filtrator, the volumetric flow rate that are connected in series successively through the main road pipeline take into account mass flowmeter; Be connected a thermopair respectively on the main road pipeline between said flow control valve and the main road filtrator and on the main road pipeline between said volumetric displacement meter and the said mass flowmeter, the endpiece that reaches said mass flowmeter on the main road pipeline between said main road filtrator and the said volumetric displacement meter extremely is connected a thermal resistance respectively on the main road pipeline between the said terminal flange.
The device of above-mentioned on-line measurement fluid density; Wherein, The import and export end of said flow control valve is respectively through first T-valve and second T-valve first bypass duct that is connected in parallel, and also is connected first emptying valve on the main road pipeline between the entrance point of said flow control valve and said first T-valve.
The device of above-mentioned on-line measurement fluid density; Wherein, The import and export end of said main road filtrator is connected in parallel through the 3rd T-valve and the 4th T-valve respectively and has second bypass duct of bypass strainer, and also is connected second emptying valve on the main road pipeline between the entrance point of said main road filtrator and said the 3rd T-valve;
The device of above-mentioned on-line measurement fluid density; Wherein, The import and export end of said volumetric displacement meter is respectively through the 5th T-valve and the 6th T-valve the 3rd bypass duct that is connected in parallel, and also is connected the 3rd exhaust-valve on the main road pipeline between the entrance point of said volumetric displacement meter and said the 5th T-valve.
The device of above-mentioned on-line measurement fluid density; Wherein, The import and export end of said mass flowmeter is respectively through the 7th T-valve and the 8th T-valve the 4th bypass duct that is connected in parallel, and also is connected the 4th exhaust-valve on the main road pipeline between the entrance point of said mass flowmeter and said the 7th T-valve.
The technical scheme of the device of the on-line measurement fluid density of the utility model; Ratio through two flowmeters is measured material density; And on device, intersect dissimilar thermometers has been installed, eliminated different material the different temperature errors that produced of thermometer induction.Simultaneously this device is convenient to remove and install in measuring process, and some parts breaks down and can in time change, and guarantees that ordinary production carries out smoothly.This device can be used for the on-line real time monitoring of different occasions or high viscosity or colored liquid density, and is specially adapted to the measurement or the real-time follow-up of poisonous and harmful place fluid density.The device of the on-line measurement fluid density of the utility model is easily manufactured, inexpensive, use is simple and measuring accuracy is high, adds that whole measuring process all is airtight, special environmental protection.
Description of drawings
Fig. 1 is the structural representation of device of the on-line measurement fluid density of the utility model.
Embodiment
Below through concrete embodiment and combine accompanying drawing that the technical scheme of the utility model is elaborated:
See also Fig. 1; The device of a kind of on-line measurement fluid density of the utility model comprises the flow control valve 2 that is connected in series successively through main road pipeline 1, two thermopairs 3, a main road filtrator 4, two thermal resistances 5, a volume flowmeter 6 and mass flowmeters 7.The first end of main road pipeline 1 connects a flange 81,82 respectively.Wherein:
Two thermopairs 3 are connected on the main road pipeline 1 that reaches on the main road pipeline 1 between flow control valve 2 and the main road filtrator 4 between volumetric displacement meter 6 and the mass flowmeter 7;
Two thermal resistances 5 are connected on the main road pipeline 1 between endpiece to the terminal flange 82 that reaches mass flowmeter 7 on the main road pipeline 1 between main road filtrator 4 and the volumetric displacement meter 6;
The import and export end of flow control valve 2 is respectively through first T-valve 11 and second T-valve 12 one first bypass duct 21 that is connected in parallel, and also is connected a first emptying valve 31 on the main road pipeline between the entrance point of flow control valve 1 and first T-valve 11;
The import and export end of main road filtrator 4 respectively through the 3rd T-valve 13 and the 4th T-valve 14 be connected in parallel one have a bypass strainer 4 ' second bypass duct 22, and also be connected a second emptying valve 32 on the main road pipeline 1 between the entrance point of main road filtrator 4 and the 3rd T-valve 31;
The import and export end of volumetric displacement meter 6 is respectively through the 5th T-valve 15 and the 6th T-valve 16 one the 3rd bypass duct 23 that is connected in parallel, and also is connected one the 3rd exhaust-valve 33 on the main road pipeline 1 between the entrance point of volumetric displacement meter 6 and the 5th T-valve 51;
The import and export end of mass flowmeter 7 is respectively through the 7th T-valve 17 and the 8th T-valve 18 one the 4th bypass duct 24 that is connected in parallel, and also is connected one the 4th exhaust-valve 34 on the main road pipeline 1 between the entrance point of mass flowmeter 7 and the 7th T-valve 17.
The first terminal flange 81,82 of main road pipeline 1 is connected with flange on the Sealing Arrangement and constitutes the measurement loop.
The device of a kind of on-line measurement fluid density of the utility model is based on the principle design of density=mass/volume.Volumetric displacement meter 6 and mass flowmeter 7 have that precision height, good reproducibility, antijamming capability are strong, the characteristics of wide ranges, can guarantee measuring accuracy.When measuring the fluid density in the Sealing Arrangement; Each T-valve 11～18 is pulled to the main road duct orientation; The aperture of simultaneously slow turn-on flow rate variable valve 2; Finally open to the flow of technological parameter requirement, only need the reading of mass flowmeter 7 can be obtained the fluid density value in the Sealing Arrangement divided by the reading of volumetric displacement meter 6.
When certain parts on the device break down; Owing to be provided with bypass duct on each parts; Can earlier the T-valve at the parts two ends of breaking down be pulled to its bypass duct, through the leftover materials emptying that these parts are interior of the exhaust-valve of this parts on the suction side, in time pull down and handle or change the parts that break down again; Restore T-valve then, continue to walk main road pipeline 1 and measure in real time.
The temperature of 5 pairs of cryogenic liquids of thermal resistance or fluid is relatively more responsive, and the temperature of 3 pairs of high-temp liquids of thermopair or fluid is responsive, can make measured temperature can reflect the actual temperature of material truly, exactly like this.During concrete the measurement: when material temperature during, select thermal resistance 5 thermometrics for use,, select thermopair 3 thermometrics for use when material temperature during at 120～330 ℃ at 0～20 ℃.
The device of the on-line measurement fluid density of the utility model is measured material density through the ratio of two flowmeters, and on device, intersects dissimilar thermometers has been installed, and has eliminated different material to the different temperature errors that produced of thermometer induction.Simultaneously this device is convenient to remove and install in measuring process, and some parts breaks down and can in time change, and guarantees that ordinary production carries out smoothly.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the utility model; And be not the qualification that is used as the utility model; As long as in the connotation scope of the utility model, all will drop in claims scope of the utility model variation, the modification of the above embodiment.
Claims (5)
1. the device of an on-line measurement fluid density; Be connected with flange on the Sealing Arrangement through first terminal flange and constitute the measurement loop; It is characterized in that; Said device comprises that the flow control valve, main road filtrator, the volumetric flow rate that are connected in series successively through the main road pipeline take into account mass flowmeter; Be connected a thermopair respectively on the main road pipeline between said flow control valve and the main road filtrator and on the main road pipeline between said volumetric displacement meter and the said mass flowmeter, the endpiece that reaches said mass flowmeter on the main road pipeline between said main road filtrator and the said volumetric displacement meter extremely is connected a thermal resistance respectively on the main road pipeline between the said terminal flange.
2. the device of on-line measurement fluid density according to claim 1; It is characterized in that; The import and export end of said flow control valve is respectively through first T-valve and second T-valve first bypass duct that is connected in parallel, and also is connected first emptying valve on the main road pipeline between the entrance point of said flow control valve and said first T-valve.
3. the device of on-line measurement fluid density according to claim 1; It is characterized in that; The import and export end of said main road filtrator is connected in parallel through the 3rd T-valve and the 4th T-valve respectively and has second bypass duct of bypass strainer, and also is connected second emptying valve on the main road pipeline between the entrance point of said main road filtrator and said the 3rd T-valve.
4. the device of on-line measurement fluid density according to claim 1; It is characterized in that; The import and export end of said volumetric displacement meter is respectively through the 5th T-valve and the 6th T-valve the 3rd bypass duct that is connected in parallel, and also is connected the 3rd exhaust-valve on the main road pipeline between the entrance point of said volumetric displacement meter and said the 5th T-valve.
5. the device of on-line measurement fluid density according to claim 1; It is characterized in that; The import and export end of said mass flowmeter is respectively through the 7th T-valve and the 8th T-valve the 4th bypass duct that is connected in parallel, and also is connected the 4th exhaust-valve on the main road pipeline between the entrance point of said mass flowmeter and said the 7th T-valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203744087U CN202256098U (en) | 2011-09-29 | 2011-09-29 | Device for measuring density of liquid on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203744087U CN202256098U (en) | 2011-09-29 | 2011-09-29 | Device for measuring density of liquid on line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202256098U true CN202256098U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203744087U Expired - Lifetime CN202256098U (en) | 2011-09-29 | 2011-09-29 | Device for measuring density of liquid on line |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021496A (en) * | 2015-06-05 | 2015-11-04 | 王昱海 | Density measuring apparatus with tiny error |
| CN105757435A (en) * | 2016-05-10 | 2016-07-13 | 苏州道众机械制造有限公司 | Inductive oil tube connector |
| CN108572014A (en) * | 2017-12-31 | 2018-09-25 | 深圳市前海海洋仪表科技有限公司 | Ultrasonic water meter and the method for obtaining water flow temperature by ultrasonic water meter |
| CN109211724A (en) * | 2017-07-08 | 2019-01-15 | 北京工标传感技术有限公司 | A kind of tuning fork densitometer |
| CN114486622A (en) * | 2022-01-19 | 2022-05-13 | 山东交通学院 | Experimental device and method for measuring density of liquid at different temperatures in real time |
-
2011
- 2011-09-29 CN CN2011203744087U patent/CN202256098U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021496A (en) * | 2015-06-05 | 2015-11-04 | 王昱海 | Density measuring apparatus with tiny error |
| CN105757435A (en) * | 2016-05-10 | 2016-07-13 | 苏州道众机械制造有限公司 | Inductive oil tube connector |
| CN109211724A (en) * | 2017-07-08 | 2019-01-15 | 北京工标传感技术有限公司 | A kind of tuning fork densitometer |
| CN109211724B (en) * | 2017-07-08 | 2023-09-19 | 北京工标传感技术有限公司 | Tuning fork densimeter |
| CN108572014A (en) * | 2017-12-31 | 2018-09-25 | 深圳市前海海洋仪表科技有限公司 | Ultrasonic water meter and the method for obtaining water flow temperature by ultrasonic water meter |
| CN114486622A (en) * | 2022-01-19 | 2022-05-13 | 山东交通学院 | Experimental device and method for measuring density of liquid at different temperatures in real time |
| CN114486622B (en) * | 2022-01-19 | 2023-10-20 | 山东交通学院 | Experimental device and method for measuring density of liquid at different temperatures in real time |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 2004-2002 Weisan Road Chemical Office Building, Baoshan District, Shanghai Patentee after: Baowu Carbon Material Technology Co., Ltd. Address before: 2004-2002 Weisan Road Chemical Office Building, Baoshan District, Shanghai Patentee before: Chemical Co., Ltd. of Baoshan Iron and Steel Group, Shanghai |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |