CN102500221A - Device for measuring density and PH value of desulfurized gypsum slurry - Google Patents
Device for measuring density and PH value of desulfurized gypsum slurry Download PDFInfo
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- CN102500221A CN102500221A CN2011103612294A CN201110361229A CN102500221A CN 102500221 A CN102500221 A CN 102500221A CN 2011103612294 A CN2011103612294 A CN 2011103612294A CN 201110361229 A CN201110361229 A CN 201110361229A CN 102500221 A CN102500221 A CN 102500221A
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- absorption tower
- densitometer
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- isolating door
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Abstract
A device for measuring the density and the PH value of desulfurized gypsum slurry belongs to the technical field of density and PH value measurement, and is characterized in that an oblique connecting pipe with an upward outlet is arranged at the lower part of the desulfuration absorption tower, an absorption tower overhauling insulation door, a first absorption tower PH meter and a vertical connecting pipe communicated with the pipeline of the oblique connecting pipe are arranged on the oblique connecting pipe, a densimeter front check valve isolation door, a gypsum slurry densimeter, a densimeter rear check valve isolation door, an unrestrained pipe and a second absorption tower PH meter are sequentially arranged on the vertical connecting pipe from the top down, and both the PH meter and the densimeter are in control connection with the controller. The device has the advantages of original conception and reasonable structure, can control the slurry flow rate for detecting, reduces abrasion to the flow passage component of the densimeter while the slurry density and the pH value are monitored real-timely, reduces impacts from the slurry to the PH meter probe of an absorption tower, reduces the operation of a gypsum discharge pump, reduces the maintenance work, and lowers and saves the running cost.
Description
Technical field
The invention belongs to serum density and pH value field of measuring technique, be specifically related to a kind of desulfurated plaster serum density and pH value measurement mechanism that is mainly used in desulfuration absorbing tower.
Background technology
In the limestone-gypsum wet desulfurization system; Gypsum slurries density and pH value are the important parameters of slurries quality in the control absorption tower; Gypsum slurries density generally adopts the mass flowmenter monitoring; The pH value, is delivered to gypsum dehydration system with gypsum slurries and is carried out processed when gypsum slurries density reaches setting value in the absorption tower by the monitoring of absorption tower pH meter.For guaranteeing to monitor the gypsum slurries quality in real time; The conventional at present method that adopts is that gypsum slurries densitometer and absorption tower pH meter are installed on the outlet conduit of gypsum excavationg pump, and the gypsum excavationg pump needs operation continuously, on-line monitoring gypsum slurries density and pH value; When gypsum slurries density reaches setting value in the absorption tower; Gypsum slurries is delivered to dewatering system carry out processed, when gypsum slurries density does not reach setting value in the absorption tower, then gypsum slurries is recycled to the absorption tower.The gypsum excavationg pump needs operation continuously, and simultaneously in order to guarantee that slurries do not deposit, gypsum slurries excavationg pump outlet conduit flow velocity generally is controlled at 2.2～3.0m/s, and gypsum slurries densitometer flow passage component and pH meter probe is in the slurries with high flow rate all the time like this.In actual motion; The too high gypsum slurries densitometer flow passage component that causes of gypsum excavationg pump outlet conduit slurry flow rate is easy to wearing and tearing; The pH meter probe damages easily; Need often to change gypsum slurries densitometer parts and pH meter probe, make operating cost and maintenance workload increase, reduce production efficiency.
Summary of the invention
The present invention is intended to utilize liquid level difference setting in the absorption tower to can be used for the slurry flow pipeline of continuous monitoring density and pH value, a kind of gypsum slurries density and pH value measurement mechanism technical scheme is provided, to overcome the problem that exists in the prior art.
Described desulfurated plaster serum density and pH value measurement mechanism; It is characterized in that the desulfuration absorbing tower bottom be provided with tower in be communicated with and export the oblique tube connector that makes progress; Connect on the oblique tube connector maintenance isolating door in absorption tower is set; Oblique tube connector outer end is equipped with first absorption tower PH meter; Vertical tube connector with oblique tube connector pipeline connection is set on the pipeline between the absorption tower is overhauled isolating door and the first absorption tower PH is counted; Connect successively from the bottom to top on the vertical tube connector service valve isolating door behind service valve isolating door before the densitometer, gypsum slurries densitometer, the densitometer is set; Vertical tube connector upper end is equipped with second absorption tower PH meter, is equipped with the unrestrained pipe with vertical tube connector pipeline connection on the pipeline behind the densitometer between service valve isolating door and the second absorption tower PH meter, the described first absorption tower PH counts, the second absorption tower PH counts, the gypsum slurries densitometer respectively with the controller control connection.
Described desulfurated plaster serum density and pH value measurement mechanism; It is characterized in that being equipped with the densitometer shunt valve between the service valve isolating door output behind the service valve isolating door input and densitometer before the described densitometer; Densitometer shunt valve two ends respectively with vertical tube connector pipeline connection, connect on the densitometer shunt valve densitometer bypass door be set.
Described desulfurated plaster serum density and pH value measurement mechanism is characterized in that being equipped with the fresh water (FW) flushing valve on the oblique tube connector between said absorption tower maintenance isolating door, the vertical tube connector.
Described desulfurated plaster serum density and pH value measurement mechanism is characterized in that the connector of said oblique tube connector and desulfuration absorbing tower and the difference in height of the interior gypsum slurries liquid level of desulfuration absorbing tower are not less than 2 meters.
Above-mentioned desulfurated plaster serum density and pH value measurement mechanism are novel; Rational in infrastructure; Can take into account the slurry flow rate that pH meter contacts with gypsum slurries density according to the control of monitoring needs, in the time of to gypsum slurries density and pH value enforcement on-line real time monitoring, reduce the wearing and tearing of slurries gypsum slurries densitometer flow passage component; Reduced the impact of slurries to absorption tower pH meter probe; Prolonged gypsum slurries density and with service life of pH meter, can reduce the operation of gypsum excavationg pump in addition, thereby significantly reduce maintenance workload, reduce and practice thrift operating cost.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Among the figure: service valve isolating door, the unrestrained pipe of 10-, 11-second absorption tower PH meter, 12-desulfuration absorbing tower, 13-densitometer shunt valve, 14-gypsum excavationg pump, 15-dewatering system behind the oblique tube connector of 1-, 2-absorption tower maintenance isolating door, 3-fresh water (FW) flushing valve, 4-first absorption tower PH meter, the vertical tube connector of 5-, the preceding service valve isolating door of 6-densitometer, 7-gypsum slurries densitometer, 8-densitometer bypass door, the 9-densitometer.
The specific embodiment
Combine Figure of description at present, specify the specific embodiment of the present invention:
Desulfurated plaster serum density and pH value measurement mechanism; Be lower than desulfuration absorbing tower 12 bottoms, be lower than the gypsum slurries liquid level more than 2 meters and 2 meters the position be provided with tower in be communicated with and export the oblique tube connector 1 that makes progress; Connect on the oblique tube connector 1 maintenance isolating door 2 in absorption tower is set; Oblique tube connector 1 outer end is equipped with first absorption tower PH meter 4; Maintenance isolating door 2 in absorption tower is counted the vertical tube connector 5 that is provided with on the pipeline between 4 with oblique tube connector 1 pipeline connection with the first absorption tower PH, is equipped with fresh water (FW) flushing valve 3 on the oblique tube connector 1 between absorption tower maintenance isolating door 2, the vertical tube connector 5; Connect successively from the bottom to top on the vertical tube connector 5 service valve isolating door 9 behind service valve isolating door 6 before the densitometer, gypsum slurries densitometer 7, the densitometer is set; Vertical tube connector 5 upper ends are equipped with second absorption tower PH meter 11; Be equipped with the unrestrained pipe 10 with vertical tube connector 5 pipeline connections on the pipeline behind the densitometer between service valve isolating door 9 and the second absorption tower PH meter 11, through unrestrained pipe 10 with the unrestrained recovery of slurries; Be equipped with densitometer shunt valve 13 between service valve isolating door 9 outputs behind service valve isolating door 6 inputs and the densitometer before the densitometer; Densitometer shunt valve 13 two ends respectively with vertical tube connector 5 pipeline connections, connect on the densitometer shunt valve 13 densitometer bypass door 8 be set; Described first absorption tower PH meter 4, second absorption tower PH meter 11, gypsum slurries densitometer 7 respectively with the controller control connection, by system's automatic reception monitor value.
Above-mentioned desulfurated plaster serum density and pH value measurement mechanism; Utilize in the desulfuration absorbing tower 12 liquid level difference to keep that slurries flow from bottom to top in oblique tube connector 1, vertical 5 liang of measuring tubes of tube connector; Arrive first absorption tower PH meter, 4, second absorption tower PH meter 11, gypsum slurries densitometer 7 through absorption tower maintenance isolating door 2, through pH value and pH value and the density of density of measuring this gypsum slurries with gypsum slurries in definite absorption tower; The set absorption tower maintenance isolating door 2 of end that picks out at oblique tube connector 1 can be used for adjusting velocity in pipes, and the control velocity in pipes is not less than 1m/s, generally is stabilized in about 1m/s, and this valve also can be used for instrument maintenance isolation simultaneously; Service valve isolating door 9 behind service valve isolating door 6, the densitometer before the front and back of gypsum slurries densitometer 7 are provided with densitometer respectively; And be that gypsum slurries densitometer 7 is provided with densitometer shunt valve 13 and densitometer bypass door 8; When gypsum slurries densitometer 7 faults; Open densitometer bypass door 8, close service valve isolating door 9 behind service valve isolating door 6 before the densitometer, the densitometer, can guarantee the continuous monitoring of first absorption tower PH meter, 4, second absorption tower PH meter 11.
Adopt above-mentioned desulfurated plaster serum density and pH value measurement mechanism; Can be according to the start-stop of the gypsum slurries density control gypsum excavationg pump 14 that records; When gypsum slurries density reached setting value in the desulfuration absorbing tower 12, starting gypsum excavationg pump 14 was delivered to dewatering system 15 with gypsum slurries and is carried out processed; When gypsum slurries density did not reach setting value in the desulfuration absorbing tower 12, the gypsum excavationg pump 14 of then stopping transport had been practiced thrift the operation power consumption, reaches energy-saving effect.
For ease of repair and maintenance, absorption tower PH meter, the serum density that adopts in above-mentioned desulfurated plaster serum density and the pH value measurement mechanism taken into account various parts such as all kinds of valves and all is connected through flanged (FLGD) anticorrosion short tube.
In the present embodiment, described vertical tube connector 5 adopts vertical mode to be provided with, and with the purpose that reaches compact conformation, saves the space, in practical application, can make adjustment as required.
Claims (4)
1. desulfurated plaster serum density and pH value measurement mechanism; It is characterized in that desulfuration absorbing tower (12) bottom be provided with tower in be communicated with and export the oblique tube connector (1) that makes progress; Oblique tube connector (1) is gone up to connect maintenance isolating door (2) in absorption tower is set; Oblique tube connector (1) outer end is equipped with first absorption tower PH meter (4); Absorption tower maintenance isolating door (2) is counted the vertical tube connector (5) that is provided with on the pipeline between (4) with oblique tube connector (1) pipeline connection with the first absorption tower PH; Connect successively from the bottom to top on the vertical tube connector (5) service valve isolating door (9) behind service valve isolating door (6) before the densitometer, gypsum slurries densitometer (7), the densitometer is set; Vertical tube connector (5) upper end is equipped with second absorption tower PH meter (11); Service valve isolating door (9) is counted the unrestrained pipe (10) that is equipped with on the pipeline between (11) with vertical tube connector (5) pipeline connection with the second absorption tower PH behind the densitometer, described first absorption tower PH meter (4), second absorption tower PH meter (11), gypsum slurries densitometer (7) respectively with the controller control connection.
2. desulfurated plaster serum density as claimed in claim 1 and pH value measurement mechanism; It is characterized in that being equipped with densitometer shunt valve (13) between service valve isolating door (9) output behind service valve isolating door (6) input and densitometer before the described densitometer; Densitometer shunt valve (13) two ends respectively with vertical tube connector (5) pipeline connection, densitometer shunt valve (13) go up to connect densitometer bypass door (8) is set.
3. desulfurated plaster serum density as claimed in claim 1 and pH value measurement mechanism is characterized in that being equipped with fresh water (FW) flushing valve (3) on the oblique tube connector (1) between said absorption tower maintenance isolating door (2), the vertical tube connector (5).
4. desulfurated plaster serum density as claimed in claim 1 and pH value measurement mechanism is characterized in that said oblique tube connector (1) and the connector of desulfuration absorbing tower (12) and the difference in height of the interior gypsum slurries liquid level of desulfuration absorbing tower (12) are not less than 2 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103612294A CN102500221A (en) | 2011-11-15 | 2011-11-15 | Device for measuring density and PH value of desulfurized gypsum slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103612294A CN102500221A (en) | 2011-11-15 | 2011-11-15 | Device for measuring density and PH value of desulfurized gypsum slurry |
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| CN102500221A true CN102500221A (en) | 2012-06-20 |
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| CN2011103612294A Pending CN102500221A (en) | 2011-11-15 | 2011-11-15 | Device for measuring density and PH value of desulfurized gypsum slurry |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728214A (en) * | 2012-07-25 | 2012-10-17 | 天津市电力公司 | Intelligent control method for preparing limestone slurry |
| CN102841119A (en) * | 2012-09-29 | 2012-12-26 | 安徽金星钛白（集团）有限公司 | On-line pH (Potential of Hydrogen) value sampling measurement device for slurry material |
| CN103630578A (en) * | 2013-12-13 | 2014-03-12 | 贵州电力试验研究院 | pH on-line measurement method and device of desulfurizing absorption tower |
| 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 |
| CN106290727B (en) * | 2016-08-08 | 2018-12-07 | 江苏国胶化学科技有限公司 | The online pH value measuring mechanism installation method of water scrubber |
| CN109342152A (en) * | 2018-12-26 | 2019-02-15 | 北京国电龙源环保工程有限公司 | Ultrasonic vacuum pumps defoaming system before a kind of gypsum slurries density measurement |
| 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 |
| 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 |
| CN113805615A (en) * | 2021-09-09 | 2021-12-17 | 井冈山北新建材有限公司 | System and method for automatically adjusting concentration of desulfurization slurry |
| CN114933431A (en) * | 2022-04-21 | 2022-08-23 | 临沂宏源热力有限公司 | High-efficient separation control system of gypsum moisture |
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| CN102012352A (en) * | 2010-10-22 | 2011-04-13 | 武汉东湖高新集团股份有限公司 | Device for measuring density and pH value of slurry |
| CN202421007U (en) * | 2011-11-15 | 2012-09-05 | 浙江天地环保工程有限公司 | Desulfurization gypsum slurry density and pH value measuring device |
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| JP4305876B2 (en) * | 2006-11-07 | 2009-07-29 | 株式会社オーバル | Mixed liquid extraction device and mixed liquid density measuring device |
| CN201355354Y (en) * | 2008-12-23 | 2009-12-02 | 国电环境保护研究院 | Pipeline system for measuring pH value of slurry of desulfuration absorption tower |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728214B (en) * | 2012-07-25 | 2014-06-25 | 天津市电力公司 | Intelligent control method for preparing limestone slurry |
| CN102728214A (en) * | 2012-07-25 | 2012-10-17 | 天津市电力公司 | Intelligent control method for preparing limestone slurry |
| CN102841119A (en) * | 2012-09-29 | 2012-12-26 | 安徽金星钛白（集团）有限公司 | On-line pH (Potential of Hydrogen) value sampling measurement device for slurry material |
| CN103630578A (en) * | 2013-12-13 | 2014-03-12 | 贵州电力试验研究院 | pH on-line measurement method and device of desulfurizing absorption tower |
| 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 |
| CN106290727B (en) * | 2016-08-08 | 2018-12-07 | 江苏国胶化学科技有限公司 | The online pH value measuring mechanism installation method of water scrubber |
| 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 |
| CN109342152A (en) * | 2018-12-26 | 2019-02-15 | 北京国电龙源环保工程有限公司 | Ultrasonic vacuum pumps defoaming system before a kind of gypsum slurries density measurement |
| 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 |
| CN113805615A (en) * | 2021-09-09 | 2021-12-17 | 井冈山北新建材有限公司 | System and method for automatically adjusting concentration of desulfurization slurry |
| CN113805615B (en) * | 2021-09-09 | 2023-05-05 | 井冈山北新建材有限公司 | System and method for automatically adjusting concentration of desulfurization slurry |
| CN114933431A (en) * | 2022-04-21 | 2022-08-23 | 临沂宏源热力有限公司 | High-efficient separation control system of gypsum moisture |
| CN114933431B (en) * | 2022-04-21 | 2024-03-19 | 临沂宏源热力有限公司 | Gypsum moisture high-efficient separation control system |
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Application publication date: 20120620 |