CN202421007U - Desulfurization gypsum slurry density and pH value measuring device - Google Patents
Desulfurization gypsum slurry density and pH value measuring device Download PDFInfo
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- CN202421007U CN202421007U CN2011204515460U CN201120451546U CN202421007U CN 202421007 U CN202421007 U CN 202421007U CN 2011204515460 U CN2011204515460 U CN 2011204515460U CN 201120451546 U CN201120451546 U CN 201120451546U CN 202421007 U CN202421007 U CN 202421007U
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- absorption tower
- densitometer
- meter
- connecting pipe
- density
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Abstract
The utility model discloses a desulfurization gypsum slurry density and pH value measuring device, belonging to the technical field of slurry density and pH value measurement. The device is characterized in that: an oblique connection pipe with an upward outlet is arranged at the lower part of a desulfurization absorption tower and provided with an absorption tower overhauling isolation door, a first absorption tower pH meter and a vertical connection pipe communicated with the oblique connection pipe through a pipeline; the vertical connection pipe is sequentially provided with a density meter pre-overhauling valve isolation door, a gypsum slurry density meter, a density meter post-overhauling valve isolation door, a drainage pipe and a second absorption tower pH meter from bottom to top; and the pH meters and the density meter are in control connection with a controller respectively. The device disclosed by the utility model has novel conception and reasonable structure, can control the flow rate of the slurry for detection, reduces the abrasion of a through-flow part of the density meter while performing real-time monitoring on the slurry density and pH value, and reduces impact of the slurry on the absorption tower pH meter probes; and moreover, the device can reduce the operation of a gypsum discharge pump, reduce the maintenance workload and lower the operation cost.
Description
Technical field
The utility model belongs to serum density and pH value field of measuring technique, is 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 flowmeter 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 extraction pump, and the gypsum extraction 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 extraction pump needs operation continuously, and simultaneously in order to guarantee that slurries do not deposit, gypsum slurries extraction 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 extraction 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.
The utility model content
The utility model 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 connecting pipe that makes progress; Connect on the oblique connecting pipe maintenance isolating door in absorption tower is set; Oblique connecting pipe outer end is equipped with the first absorption tower pH meter; The vertical connecting pipe of setting and oblique connecting pipe pipeline connection on the pipeline between absorption tower maintenance isolating door and the first absorption tower pH meter; Connect successively from the bottom to top on the vertical connecting pipe service valve isolating door behind service valve isolating door before the densitometer, gypsum slurries densitometer, the densitometer is set; Vertical connecting pipe upper end is equipped with the second absorption tower pH meter, is equipped with the unrestrained pipe with vertical connecting pipe 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 meter, the second absorption tower pH meter, gypsum slurries densitometer respectively with the controller control linkage.
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 terminal behind the service valve isolating door input end and densitometer before the described densitometer; Densitometer shunt valve two ends respectively with vertical connecting pipe 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 connecting pipe between said absorption tower maintenance isolating door, the vertical connecting pipe.
Described desulfurated plaster serum density and pH value measurement mechanism is characterized in that the connector of said oblique connecting pipe 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 serviceable life of pH meter, can reduce the operation of gypsum extraction pump in addition, thereby significantly reduce maintenance workload, reduce and practice thrift operating cost.
Description of drawings
Fig. 1 is the utility model structural representation;
Among the figure: service valve isolating door, the unrestrained pipe of 10-, the 11-second absorption tower pH meter, 12-desulfuration absorbing tower, 13-densitometer shunt valve, 14-gypsum extraction pump, 15-dewatering system behind the oblique connecting pipe of 1-, 2-absorption tower maintenance isolating door, 3-fresh water (FW) flushing valve, the 4-first absorption tower pH meter, the vertical connecting pipe of 5-, the preceding service valve isolating door of 6-densitometer, 7-gypsum slurries densitometer, 8-densitometer bypass door, the 9-densitometer.
Embodiment
Combine Figure of description at present, specify the embodiment of the utility model:
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 connecting pipe 1 that makes progress; Connect on the oblique connecting pipe 1 maintenance isolating door 2 in absorption tower is set; Oblique connecting pipe 1 outer end is equipped with the first absorption tower pH meter 4; Vertical connecting pipe 5 with oblique connecting pipe 1 pipeline connection is set on the pipeline between absorption tower maintenance isolating door 2 and the first absorption tower pH meter 4, and the absorption tower is overhauled isolating door 2, vertically is equipped with fresh water (FW) flushing valve 3 on the oblique connecting pipe 1 between the connecting pipe 5; Connect successively from the bottom to top on the vertical connecting pipe 5 service valve isolating door 9 behind service valve isolating door 6 before the densitometer, gypsum slurries densitometer 7, the densitometer is set; Vertical connecting pipe 5 upper ends are equipped with the second absorption tower pH meter 11; Be equipped with the unrestrained pipe 10 with vertical connecting pipe 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 output terminals behind service valve isolating door 6 input ends and the densitometer before the densitometer; Densitometer shunt valve 13 two ends respectively with vertical connecting pipe 5 pipeline connections, connect on the densitometer shunt valve 13 densitometer bypass door 8 be set; The described first absorption tower pH meter 4, the second absorption tower pH meter 11, gypsum slurries densitometer 7 respectively with the controller control linkage, 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 connecting pipe 1, vertical 5 liang of measuring tubes of connecting pipe; Arrive the first absorption tower pH meter 4, the second absorption tower pH meter 11, gypsum slurries densitometer 7 through absorption tower maintenance isolating door 2, pH value through measuring this gypsum slurries and density are with the pH value and the density of gypsum slurries in definite absorption tower; The set absorption tower maintenance isolating door 2 of end that picks out at oblique connecting pipe 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 the first absorption tower pH meter 4, the 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 extraction pump 14 that records; When gypsum slurries density reached setting value in the desulfuration absorbing tower 12, starting gypsum extraction 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 extraction pump 14 of then stopping transport had been practiced thrift the operation power consumption, reaches energy-saving effect.
For ease of repair and maintenance, the absorption tower pH meter, the serum density that adopt in above-mentioned desulfurated plaster serum density and the pH value measurement mechanism are taken into account various parts such as all kinds of valves and all are connected through flanged (FLGD) anticorrosion short tube.
In the present embodiment, described vertical connecting pipe 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 connecting pipe (1) that makes progress; Oblique connecting pipe (1) is gone up to connect maintenance isolating door (2) in absorption tower is set; Oblique connecting pipe (1) outer end is equipped with the first absorption tower pH meter (4); The vertical connecting pipe (5) of setting and oblique connecting pipe (1) pipeline connection on the pipeline between absorption tower maintenance isolating door (2) and the first absorption tower pH meter (4); Connect successively from the bottom to top on the vertical connecting pipe (5) service valve isolating door (9) behind service valve isolating door (6) before the densitometer, gypsum slurries densitometer (7), the densitometer is set; Vertical connecting pipe (5) upper end is equipped with the second absorption tower pH meter (11); Be equipped with the unrestrained pipe (10) with vertical connecting pipe (5) pipeline connection on the pipeline behind the densitometer between service valve isolating door (9) and the second absorption tower pH meter (11), the described first absorption tower pH meter (4), the second absorption tower pH meter (11), gypsum slurries densitometer (7) respectively with the controller control linkage.
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 terminal behind service valve isolating door (6) input end and densitometer before the described densitometer; Densitometer shunt valve (13) two ends respectively with vertical connecting pipe (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 connecting pipe (1) between said absorption tower maintenance isolating door (2), the vertical connecting pipe (5).
4. desulfurated plaster serum density as claimed in claim 1 and pH value measurement mechanism is characterized in that said oblique connecting pipe (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 |
|---|---|---|---|
| CN2011204515460U CN202421007U (en) | 2011-11-15 | 2011-11-15 | Desulfurization gypsum slurry density and pH value measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204515460U CN202421007U (en) | 2011-11-15 | 2011-11-15 | Desulfurization gypsum slurry density and pH value measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN202421007U true CN202421007U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204515460U Expired - Lifetime CN202421007U (en) | 2011-11-15 | 2011-11-15 | Desulfurization gypsum slurry density and pH value measuring device |
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| CN (1) | CN202421007U (en) |
Cited By (1)
| 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 |
-
2011
- 2011-11-15 CN CN2011204515460U patent/CN202421007U/en not_active Expired - Lifetime
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310003, Guoxin property building, 108 Feng Feng Road, Zhejiang, Hangzhou Patentee after: Zhejiang Tiandi Environmental Protection Technology Co., Ltd. Address before: 310003, Guoxin property building, 108 Feng Feng Road, Zhejiang, Hangzhou Patentee before: Zhejiang Tiandi Environmental Protection Engineering Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310003, Guoxin property building, 108 Feng Feng Road, Zhejiang, Hangzhou Patentee after: Zhejiang Tiandi Environmental Protection Technology Co., Ltd Address before: 310003, Guoxin property building, 108 Feng Feng Road, Zhejiang, Hangzhou Patentee before: ZHEJIANG TIANDI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |