CN102012352A - Device for measuring density and pH value of slurry - Google Patents
Device for measuring density and pH value of slurry Download PDFInfo
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- CN102012352A CN102012352A CN 201010518265 CN201010518265A CN102012352A CN 102012352 A CN102012352 A CN 102012352A CN 201010518265 CN201010518265 CN 201010518265 CN 201010518265 A CN201010518265 A CN 201010518265A CN 102012352 A CN102012352 A CN 102012352A
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Abstract
The invention discloses a device for measuring the density and the pH value of slurry. The device comprises an air sampling pipe component, a densitometer, a first pH meter and a second pH meter, wherein the air sampling pipe component comprises a first branch pipe, a second branch pipe, a third branch pipe, a fourth branch pipe and a fifth branch pipe; the lower end of the first branch pipe is connected with the lower end of an absorption tower; the first pH meter is inserted into the first branch pipe; the second branch pipe is horizontally communicated with the first branch pipe; the free end of the second branch pipe is connected with a flushing water pipe; the upper end and lower end of the third branch pipe are respectively communicated with the lower ends of the first branch pipe and the densitometer; the upper end of the densitometer is communicated with the lower end of the fourth branch pipe; the second pH meter is inserted into the fourth branch pipe; the fifth branch pipe is vertically communicated with the fourth branch pipe; and the central lines of the third branch pipe, the fourth branch pipe and the densitometer are positioned on the same straight line and are parallel to the wall of the absorption tower. The device for measuring the density and the pH value of slurry can prolong the service life of the densitometer and the pH meters and reduce the maintenance workload of field equipment.
Description
Technical field
The present invention relates to the environment protection desulphurization field, relate in particular to a kind of density of gypsum slurries in the desulfuration absorbing tower and method of pH value measured.
Background technology
In the environment protection desulphurization industry,, to monitor in real time the density and the pH value of gypsum slurries with densitometer and pH meter usually in order to monitor the desulfurization situation of gypsum slurries.At present, the density of the domestic gypsum slurries that is used for measuring desulphurization system and the method for pH value are: the vertical branch's pipe that densitometer and pH meter all is arranged on the female pipe in gypsum slurries extraction pump place.
Yet, on the one hand, and since the influence of gypsum slurries extraction pump, the flow velocity instability of gypsum slurries in mother's pipe and vertical branch's pipe, thus cause the flow velocity of gypsum slurries to stablize control than difficulty.And, because the flow velocity of gypsum slurries can not be stablized control and gypsum slurries has abrasiveness and easily obstruction property, gypsum slurries wearing and tearing to densitometer and pH meter in process of flowing are very big, if and, thereby shortened the serviceable life of densitometer and pH meter for the reduction flow velocity that reduces wear makes densitometer be easy to obstruction again.On the other hand, because the pipe in the pipeline is pressed big and gypsum slurries is swiftly flowing, thereby is difficult to make the flow speed stability of gypsum slurries be controlled in the claimed range by manual shift, like this, just increased workload in pipeline to field device maintenance.
Therefore, be necessary to provide a kind of density of improved measurement slurries and the device of potential of hydrogen to overcome above-mentioned defective.
Summary of the invention
The purpose of this invention is to provide a kind of device of measuring serum density and potential of hydrogen, can prolong the serviceable life of densitometer and pH meter, reduce the workload of field device maintenance.
To achieve these goals, the invention provides a kind of device of measuring serum density and potential of hydrogen, be used for the slurries in the absorption tower are carried out the measurement of density and soda acid.The device of described measurement serum density and potential of hydrogen comprises empty stopple coupon assembly, densitometer, first potential of hydrogen is taken into account second pH meter, described empty stopple coupon assembly is comprised first arm, second arm, the 3rd arm, the 4th arm and the 5th arm, described first arm is inclined upwardly and the lower end of described first arm is communicated with the lower end on described absorption tower, described first pH meter inserts described first arm from the upper end of described first arm, described second arm is being communicated with described first arm of level, the free end of described second arm inserts extraneous wash tub pipe, the lower end of described the 3rd arm is communicated with described first arm, the upper end of described the 3rd arm is communicated with described densitometric lower end, described densitometric upper end is communicated with the lower end of described the 4th arm, described second pH meter inserts described the 4th arm from the upper end of described the 4th arm, described the 5th arm is vertical and is communicated with described the 3rd arm with described the 4th arm, described the 4th arm and described densitometric center line are positioned at same straight line and parallel with the tower wall on described absorption tower.
Preferably, the device of described measurement serum density and potential of hydrogen also comprises butterfly valve, described butterfly valve is installed on described first arm between described second arm and the described absorption tower, like this can be fast with empty sampling assemble is isolated, so that repair and maintenance.
Preferably, the first big or small X-over is installed between the upper end of described densitometric lower end and described the 3rd arm, the second big or small X-over is installed between the lower end of described densitometric upper end and described the 4th arm, like this, when the densitometer type selecting, can reduce one-level liner latus rectum size, can reduce purchase cost greatly.
Preferably, between the described densitometric lower end and the described first big or small X-over first isolation ball valve is installed, between the described densitometric upper end and the described second big or small X-over second isolation ball valve is installed, advance to starch flow so that adjust.
Preferably, the angle of the described tower wall on described first arm and described absorption tower is 45 degree.
Preferably, the junction of described densitometer and described the 3rd arm at the bottom of the described tower on described absorption tower about 2.5 meters makes slurries from the requirement to flowing out automatically the empty sampling assemble to guarantee that the suitable pressure that utilizes absorption tower self liquid level to produce satisfies.
Preferably, at the bottom of the tower on the described absorption tower of following end distance of described first arm 1 meter.
Compared with prior art, the present invention makes the flow velocity of gypsum slurries uniform and stable and straight-through to empty sampling line and atmosphere by the pressure of liquid level self generation on absorption tower, manifold pressure is less, thereby the feasible flow speed stability that flows through empty sampling line and densitometric gypsum slurries, thereby the wearing and tearing of gypsum slurries have been reduced to densitometer and pH meter, make gypsum slurries flow through densitometer smoothly and non-jamming density meter, and then prolonged the serviceable life of densitometer and pH meter.In addition,, the flow velocity of gypsum slurries controls because being the pressure that the liquid level self by the absorption tower produces, thereby, can significantly reduce the operation of manually removing field maintemance equipment.
By following description also in conjunction with the accompanying drawings, it is more clear that the present invention will become, and these accompanying drawings are used to explain embodiments of the invention.
Description of drawings
The device that Fig. 1 measures serum density and potential of hydrogen for the present invention is installed in the synoptic diagram on the absorption tower.
Fig. 2 measures the synoptic diagram of device when first kind of working method of serum density and potential of hydrogen for the present invention.
Fig. 3 measures the synoptic diagram of device when second kind of working method of serum density and potential of hydrogen for the present invention.
Embodiment
With reference now to accompanying drawing, describe embodiments of the invention, the similar elements label is represented similar elements in the accompanying drawing.
As shown in Figure 1, the present invention's device of measuring serum density and potential of hydrogen comprises empty stopple coupon assembly, densitometer 10, first pH meter 20 and second pH meter 30.Described empty stopple coupon assembly is comprised first arm 41, second arm 42, the 3rd arm 43, the 4th arm 44 and the 5th arm 45.Described first arm 41 be inclined upwardly 45 degree and the lower end of described first arm 41 is communicated with the lower end of described absorption tower (not shown) and the distance tower on described absorption tower at the bottom of (not shown) 1 meter, described first pH meter 20 inserts described first arm 41 from the upper end of described first arm 41.Described second arm 42 is being communicated with described first arm 41 of level, and the free end of described second arm 42 inserts extraneous wash tub pipe (not shown), and is provided with a ball valve 70 between the free end of described second arm 42 and the described extraneous wash tub pipe.The lower end of described the 3rd arm 43 is communicated with described first arm 41, and the upper end of described the 3rd arm 43 is communicated with the lower end of described densitometer 10.The upper end of described densitometer 10 is communicated with the lower end of described the 4th arm 44, and described second pH meter 30 inserts described the 4th arm 44 from the upper end of described the 4th arm 44, is used for redundant measurement.Described the 5th arm 45 is vertical being communicated with described the 4th arm 44, and the center line of described the 3rd arm 43, described the 4th arm 44 and described densitometer 10 is positioned at same straight line and parallel with the tower wall 50 on described absorption tower.The end of described the 5th arm 45 also is provided with a tank 80, is used to receive the measurement slurries of discharging.
Preferably, the device of described measurement serum density and potential of hydrogen also comprises butterfly valve 90, and described butterfly valve 90 is installed on described first arm 41 between described second arm 42 and the described absorption tower.Understandably, such set-up mode can be isolated empty sampling assemble described fast, so that repair and maintenance.
Particularly, the first big or small X-over 101 is installed between the upper end of the lower end of described densitometer 10 and described the 3rd arm 43, the second big or small X-over 102 is installed between the lower end of the upper end of described densitometer 10 and described the 4th arm 44.Like this, when the densitometer type selecting, can reduce one-level liner latus rectum size, can reduce purchase cost greatly.Between the lower end of described densitometer 10 and the described first big or small X-over 101 first isolation ball valve 111 is installed, between the upper end of described densitometer 10 and the described second big or small X-over 102 second isolation ball valve 112 is installed.Like this, can be convenient to adjust to advance to starch flow by regulating described first isolation ball valve 111 and described second isolation ball valve 112.The junction of described densitometer 10 and described the 3rd arm 43 at the bottom of the tower on described absorption tower 2.5 meters makes slurries from the requirement to flowing out automatically the empty sampling assemble to guarantee that the suitable pressure that utilizes described absorption tower self liquid level to produce satisfies.
Understandably, described butterfly valve 90 is used to isolate described absorption tower and described subsequent leg to empty stopple coupon assembly.When needing, can also be by regulating the aperture of described butterfly valve 90, regulate the flow that enters described slurries to empty stopple coupon assembly.Described first isolation ball valve 111 and described second isolation ball valve 112 that lay respectively at described densitometer 10 two ends can be used for described densitometer 10 is isolated empty stopple coupon assembly with described, so that described densitometer 10 is isolated maintenance.
In the present embodiment, the nominal diameter of described first arm 41, the 3rd arm 43, the 4th arm 44 and the 5th arm 45 is 50 millimeters, the nominal diameter of described second arm 42 is 40 millimeters, the bore of described densitometer 10 is 40 millimeters of nominal diameters, one end nominal diameter of the described first big or small X-over 101 and the described second big or small X-over 102 is 50 millimeters, and other end nominal diameter is 40 millimeters.
Describe several working methods that the present invention measures the device of serum density and potential of hydrogen in detail below in conjunction with accompanying drawing:
First kind of working method: with reference to figure 2, when needs are measured the density of gypsum slurries and pH value, close described ball valve 70 earlier, open described first isolation ball valve 111 at described densitometer 10 two ends, described second isolation ball valve 112 and described butterfly valve 90 more successively, like this, just can measure the density and the pH value of gypsum slurries with described densitometer 10 and described first pH meter 20.
Second kind of working method: with reference to figure 3, when needs are safeguarded described densitometer 10 and described first pH meter 20 flushing, close described butterfly valve 90 earlier, then open described ball valve 70 the technology wash-down water is introduced, empty stopple coupon assembly is washed described.
The third working method: when zero point drift takes place described densitometer 10, described first isolation ball valve 111 and described second isolation ball valve 112 at described densitometer 10 two ends can be closed, then described densitometer 10 be removed, carry out off-line calibration.If zero point drift takes place in described first pH meter 20, the interface valve closing of described first pH meter 20 can be removed described first pH meter 20 then, carry out off-line calibration.
As mentioned above, the present invention makes the flow velocity of gypsum slurries uniform and stable and straight-through to empty sampling line and atmosphere by the pressure of liquid level self generation on absorption tower, manifold pressure is less, thereby the feasible flow speed stability that flows through empty sampling line and densitometric gypsum slurries, thereby the wearing and tearing of gypsum slurries have been reduced to densitometer and pH meter, make gypsum slurries flow through densitometer smoothly and non-jamming density meter, and then prolonged the serviceable life of densitometer and pH meter.In addition,, the flow velocity of gypsum slurries controls because being the pressure that the liquid level self by the absorption tower produces, thereby, can significantly reduce the operation of manually removing field maintemance equipment.
Above invention has been described in conjunction with most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain various modification, equivalent combinations of carrying out according to essence of the present invention.
Claims (7)
1. device of measuring serum density and potential of hydrogen, be used for the slurries in the absorption tower are carried out the measurement of density and potential of hydrogen, it is characterized in that: the device of described measurement serum density and potential of hydrogen comprises empty stopple coupon assembly, densitometer, first potential of hydrogen is taken into account second pH meter, described empty stopple coupon assembly is comprised first arm, second arm, the 3rd arm, the 4th arm and the 5th arm, described first arm is inclined upwardly and the lower end of described first arm is communicated with the lower end on described absorption tower, described first pH meter inserts described first arm from the upper end of described first arm, described second arm is being communicated with described first arm of level, the free end of described second arm inserts extraneous wash tub pipe, the lower end of described the 3rd arm is communicated with described first arm, the upper end of described the 3rd arm is communicated with described densitometric lower end, described densitometric upper end is communicated with the lower end of described the 4th arm, described second pH meter inserts described the 4th arm from the upper end of described the 4th arm, described the 5th arm is vertical and is communicated with described the 3rd arm with described the 4th arm, described the 4th arm and described densitometric center line are positioned at same straight line and parallel with the tower wall on described absorption tower.
2. the device of measurement serum density as claimed in claim 1 and potential of hydrogen, it is characterized in that: the device of described measurement serum density and potential of hydrogen also comprises butterfly valve, and described butterfly valve is installed on described first arm between described second arm and the described absorption tower.
3. the device of measurement serum density as claimed in claim 1 and potential of hydrogen, it is characterized in that, the first big or small X-over is installed between the upper end of described densitometric lower end and described the 3rd arm, the second big or small X-over is installed between the lower end of described densitometric upper end and described the 4th arm.
4. the device of measurement serum density as claimed in claim 1 and potential of hydrogen, it is characterized in that: between the described densitometric lower end and the described first big or small X-over first isolation ball valve is installed, between the described densitometric upper end and the described second big or small X-over second isolation ball valve is installed.
5. the device of measurement serum density as claimed in claim 1 and potential of hydrogen is characterized in that, the angle of the described tower wall on described first arm and described absorption tower is 45 degree.
6. the device of measurement serum density as claimed in claim 1 and potential of hydrogen is characterized in that, the junction of described densitometer and described the 3rd arm at the bottom of the described tower on described absorption tower about 2.5 meters.
7. the device of measurement serum density as claimed in claim 1 and potential of hydrogen is characterized in that, at the bottom of the tower on the described absorption tower of following end distance of described first arm 1 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105182652A CN102012352B (en) | 2010-10-22 | 2010-10-22 | Device for measuring density and pH value of slurry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105182652A CN102012352B (en) | 2010-10-22 | 2010-10-22 | Device for measuring density and pH value of slurry |
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| CN102012352A true CN102012352A (en) | 2011-04-13 |
| CN102012352B CN102012352B (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105182652A Active CN102012352B (en) | 2010-10-22 | 2010-10-22 | Device for measuring density and pH value of slurry |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500221A (en) * | 2011-11-15 | 2012-06-20 | 浙江天地环保工程有限公司 | Device for measuring density and PH value of desulfurized gypsum slurry |
| CN104007042A (en) * | 2014-05-29 | 2014-08-27 | 中国神华能源股份有限公司 | Absorption tower system and slurry density measuring device for same |
| CN109406578A (en) * | 2018-10-16 | 2019-03-01 | 华电电力科学研究院有限公司 | A kind of desulfurized gypsum slurry pH value on-line measurement device and its working method |
| CN110987130A (en) * | 2019-12-26 | 2020-04-10 | 安为机电设备制造(上海)有限公司 | Flowmeter detection system and detection method thereof |
| CN111829919A (en) * | 2020-07-31 | 2020-10-27 | 浙江天地环保科技股份有限公司 | Slurry circulating pump bypass pipe density and pH value measuring device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5453593A (en) * | 1977-09-01 | 1979-04-26 | Agar Instr | Fluid testing method and apparatus |
| CN201408157Y (en) * | 2009-05-22 | 2010-02-17 | 沈阳远大环境工程有限公司 | Density and pH valve measuring device for wet flue gas desulfurization slurry |
-
2010
- 2010-10-22 CN CN2010105182652A patent/CN102012352B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5453593A (en) * | 1977-09-01 | 1979-04-26 | Agar Instr | Fluid testing method and apparatus |
| CN201408157Y (en) * | 2009-05-22 | 2010-02-17 | 沈阳远大环境工程有限公司 | Density and pH valve measuring device for wet flue gas desulfurization slurry |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500221A (en) * | 2011-11-15 | 2012-06-20 | 浙江天地环保工程有限公司 | Device for measuring density and PH value of desulfurized gypsum slurry |
| CN104007042A (en) * | 2014-05-29 | 2014-08-27 | 中国神华能源股份有限公司 | Absorption tower system and slurry density measuring device for same |
| CN109406578A (en) * | 2018-10-16 | 2019-03-01 | 华电电力科学研究院有限公司 | A kind of desulfurized gypsum slurry pH value on-line measurement device and its working method |
| CN110987130A (en) * | 2019-12-26 | 2020-04-10 | 安为机电设备制造(上海)有限公司 | Flowmeter detection system and detection method thereof |
| CN110987130B (en) * | 2019-12-26 | 2020-12-18 | 安为机电设备制造(上海)有限公司 | Flowmeter detection system and detection method thereof |
| CN111829919A (en) * | 2020-07-31 | 2020-10-27 | 浙江天地环保科技股份有限公司 | Slurry circulating pump bypass pipe density and pH value measuring device |
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| Publication number | Publication date |
|---|---|
| CN102012352B (en) | 2012-01-18 |
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Owner name: WUHAN GUANGGU ENVIRONMENTAL PROTECTION TECHNOLOGY Free format text: FORMER OWNER: WUHAN DONGHU GAOXIN GROUP CORP., LTD. Effective date: 20120214 |
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Effective date of registration: 20120214 Address after: 430074 No. 1, Jiayuan Road, East Lake Development Zone, Hubei, Wuhan Patentee after: Wuhan Guanggu Environmental Protection Technology Co.,Ltd. Address before: 430074 No. 1, Jiayuan Road, East Lake Development Zone, Hubei, Wuhan Patentee before: Wuhan Donghu Gaoxin Group Corp., Ltd. |