CN213790863U

CN213790863U - Runner pool type desulfurization slurry PH value measuring device

Info

Publication number: CN213790863U
Application number: CN202022670448.8U
Authority: CN
Inventors: 张震坤; 彭国梁; 阳斌; 朱艳平; 李辉; 刘逸峰; 刘新根; 刘嘉莉; 焦元; 叶玉琦; 邓宗泉; 刘莹
Original assignee: Huaneng Anyuan Power Generation Co Ltd
Current assignee: Huaneng Anyuan Power Generation Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-27
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a runner pond formula desulfurization thick liquid PH value measuring device, including inlet, measurement valve, water inlet, wash water valve and PH electrode, install measurement valve on the inlet, install the wash water valve on the water inlet, the inlet is connected with the circulation gunbarrel with the front end of water inlet jointly, and the fixed album dirty pipe that is provided with of lower extreme of circulation gunbarrel, the upper end fixedly connected with connecting pipe of circulation gunbarrel, and install the PH electrode on the connecting pipe, the front end intercommunication of connecting pipe has the overflow pipe, and the below intercommunication of overflow pipe has the liquid outlet. This runner pond formula desulfurization thick liquid pH value measuring device has carried out optimization transformation to original mounting means, and original pipeline formula mounting means is transformed into the flow cell formula, and the thick liquid overflows again after being full of the stainless steel body, and the PH electrode of flowing through can be less the wearing and tearing of PH electrode, prolongs its life-span, has reduced the maintenance cost.

Description

Runner pool type desulfurization slurry PH value measuring device

Technical Field

The utility model relates to a desulfurization thick liquid PH measuring device technical field specifically is a runner pond formula desulfurization thick liquid PH value measuring device.

Background

The power plant desulfurization PH electrode is directly arranged on the pipeline. The slurry contains particulates and is very pressurized. The flow is unstable and the particles can easily break the electrode. Even if the electrode is not damaged, the surface of the electrode is covered with sludge for several days, resulting in abnormal measurement values. The desulfurization control system can not accurately add lime, has low automatic input rate, and also increases the daily maintenance workload of thermal control personnel. The electrodes are frequently replaced, increasing maintenance costs.

Therefore, we have proposed a flow cell type PH measuring device for desulfurized slurry, which is intended to solve the problems set forth above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a runner pond formula desulfurization thick liquid pH value measuring device to in solving the present desulfurization thick liquid pH measurement process that above-mentioned background art provided, the problem that the electrode was broken easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a runner pond formula desulfurization thick liquid PH value measuring device, includes inlet, measuring valve, water inlet, wash water valve and PH electrode, install measuring valve on the inlet, install the wash water valve on the water inlet, the inlet is connected with the circulation precipitation tank with the front end of water inlet jointly, and the fixed dirty pipe that is provided with of lower extreme that circulates the precipitation tank, the upper end fixedly connected with connecting pipe that circulates the precipitation tank, and install the PH electrode on the connecting pipe, the front end intercommunication of connecting pipe has the overflow pipe, and the below intercommunication of overflow pipe has the liquid outlet, the below of liquid outlet is to having the trench, the fixed spoiler that is provided with in inside of circulation precipitation tank, fixed mounting has sealed lid on the dirty pipe of collection.

Preferably, the liquid inlet is communicated with the water inlet through a measuring valve and a flushing water valve, and a common connecting pipeline of the measuring valve and the flushing water valve is connected with the circulating sedimentation tank through a flange.

Preferably, be integral structure between circulation gunbarrel and the collection dirt pipe, and collect dirt pipe and circulate and set up for same center pin between the gunbarrel to the common connecting tube of measurement valve and wash water valve connects between circulation gunbarrel and collection dirt pipe.

Preferably, the connecting pipe outside the circulation settling tank is arranged in an inclined manner, and the connecting end position of the connecting pipe and the overflow pipe is higher than the connecting end position of the connecting pipe and the circulation settling tank.

Preferably, the PH electrode is connected with the connecting pipe in a thread sealing manner, and the PH electrode is connected at the uppermost position of the connecting pipe.

Preferably, the sealing cover is connected with the sewage collecting pipe through a flange, and a rubber pad sealing structure is arranged between the sealing cover and the sewage collecting pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the flow channel pool type desulfurization slurry PH value measuring device optimizes and reforms the original installation mode, reforms the original pipeline type installation mode into a flow channel pool type, overflows after the slurry is filled with the stainless steel body, and flows through the PH electrode, so that the abrasion of the PH electrode can be reduced, the service life of the PH electrode can be prolonged, and the maintenance cost can be reduced;

(1) when pressure is relieved, large rotating particles sink and gather under the action of gravity, then are agglomerated, and finally flow away at the bottom of an overflow pipeline after being washed by water, so that the service life of an electrode is prolonged, and the accuracy of slurry PH measurement is improved.

(2) The slurry overflows through the circulation sedimentation tank, so that the viscosity of the slurry is reduced, and the slurry flows through the PH electrode in a water form, so that the quick response of the PH electrode is ensured; the rear surface of the overflow pipe is higher than the front surface of the overflow pipe, so that no bubbles are generated around the PH electrode; the stability and the accuracy of the measured value are obviously improved, and the method is favorable for the accurate adjustment of a desulfurization system.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the connection between the circulation settling tank and the connecting pipe of the present invention;

FIG. 3 is a schematic sectional view of the circulation settling tank of the present invention;

fig. 4 is the schematic view of the sectional structure of the sewage collecting pipe of the present invention.

In the figure: 1. a liquid inlet; 2. a measuring valve; 3. a water inlet; 4. a flush water valve; 5. a flow-through settling tank; 6. a sewage collecting pipe; 7. a PH electrode; 8. an overflow pipe; 9. a liquid outlet; 10. a trench; 11. a connecting pipe; 12. a spoiler; 13. and (7) sealing the cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a runner pool type desulfurization slurry PH value measuring device comprises a liquid inlet 1, a measuring valve 2, a water inlet 3, a flushing water valve 4, a circulation sedimentation tank 5, a dirt collecting pipe 6, a PH electrode 7, an overflow pipe 8, a liquid outlet 9, a trench 10, a connecting pipe 11, a flow blocking sheet 12 and a sealing cover 13, wherein the liquid inlet 1 is provided with the measuring valve 2, the water inlet 3 is provided with the flushing water valve 4, the liquid inlet 1 is connected with the water inlet 3, the liquid inlet 1 and the front end of the water inlet 3 are jointly connected with the circulation sedimentation tank 5, the lower end of the circulation sedimentation tank 5 is fixedly provided with the dirt collecting pipe 6, the upper end of the circulation sedimentation tank 5 is fixedly connected with the connecting pipe 11, the connecting pipe 11 is provided with the PH electrode 7, the front end of the connecting pipe 11 is communicated with the overflow pipe 8, the lower part of the overflow pipe 8 is communicated with the liquid outlet 9, the lower part of the liquid outlet 9 is communicated with the trench 10, the flow blocking sheet 12 is fixedly arranged inside the circulation sedimentation tank 5, a sealing cover 13 is fixedly arranged on the sewage collecting pipe 6.

The inlet 1 is communicated with the water inlet 3 through the measuring valve 2 and the flushing water valve 4, the common connecting pipeline of the measuring valve 2 and the flushing water valve 4 is connected with the circulating sedimentation tank 5 through a flange, the inlet 1 and the water inlet 3 can work step by step, the normal working process of the inlet 1 and the water inlet 3 is guaranteed, and the measuring valve 2 and the flushing water valve 4 are not affected by each other.

Circulation 5 and collection dirt pipe 6 between be the integral structure, and collect dirt pipe 6 and circulate and set up for same center pin between the settling cask 5, and the common connecting tube of measuring valve 2 and sparge water valve 4 connects between circulation settling cask 5 and collection dirt pipe 6, the thick liquid gets into circulation 5 inside backs of settling cask, large granule thing sinks the gathering by gravity, then conglobate, after the sparge water at last, flow away in overflow pipeline's bottom, made things convenient for the blowdown cleaning work of device.

Connecting pipe 11 in the circulation 5 outsides of settling cask is the slope form setting, and connecting

pipe

11 and 8 link positions of overflow pipe are higher than connecting pipe 11 and circulation 5 link positions of settling cask, be thread sealing connection between PH electrode 7 and the connecting pipe 11, and PH electrode 7 connects at the connecting pipe 11 top position, has guaranteed not the bubble around PH electrode 7 to guarantee that the stability of measured value, accuracy obviously improve, be favorable to the accurate regulation of desulfurization system.

Be flange joint between sealed lid 13 and the dirty pipe of collection, and be rubber pad seal structure between sealed lid 13 and the dirty pipe of collection 6, can effectively reduce the harmful effects of dirty pipe of collection 6.

The working principle is as follows: when the flow channel pool type desulfurization slurry PH value measuring device is used, firstly, the assembly work of the device needs to be completed, firstly, a measuring valve 2 and a flushing water valve 4 are respectively installed on a liquid inlet 1 and a water inlet 3, then, the liquid inlet 1 and the water inlet 3 are communicated with a circulation sedimentation tank 5 together through flange connection, and a sealing cover 13 needs to be installed on a sewage collecting pipe 6 below the circulation sedimentation tank 5 in advance to ensure the normal working process of the circulation sedimentation tank 5;

then, a connecting pipe 11 is mounted at the upper end of the circulation settling tank 5 through a bolt, the PH electrode 7 is connected to the connecting pipe 11 in a threaded sealing manner, the outer end of the connecting pipe 11 is communicated with an overflow pipe 8, and finally the overflow pipe 8 is communicated with a trench 10 through a liquid outlet 9, so that the assembly work of the whole device is completed;

when the device starts to work, the flushing water valve 4 is opened firstly, water in the water inlet 3 is injected into the circulating sedimentation tank 5, along with the rise of the water level in the circulating sedimentation tank 5, water flow enters the connecting pipe 11 and finally overflows the overflow pipe 8 and flows into the trench 10 through the liquid outlet 9, and in the process, the PH electrode 7 can carry out measurement work to obtain a comparison measurement value;

then closing a flushing water valve 4, opening a measuring valve 2, enabling the slurry in the liquid inlet 1 to enter a circulating sedimentation tank 5, enabling the slurry to flow through a connecting pipe 11 and an overflow pipe 8 under the action of the circulating sedimentation tank 5, and enabling the slurry to flow into a trench 10 through a liquid outlet 9, wherein a PH electrode 7 on the connecting pipe 11 can measure the PH value of the slurry on line, so that the measurement work is completed;

finally, in the working process of the device, because the flow blocking piece 12 is arranged in the circulating sedimentation tank 5, the liquid in the circulating sedimentation tank 5 can be effectively prevented from flowing to form a vortex, and then large particles in the slurry flow process sink and gather in the dirt collecting pipe 6 under the action of gravity, and after the device is finished, the sealing cover 13 can be opened to directly carry out cleaning work so as to ensure the next normal use of the device;

the above is the process of using the device and what is not described in detail in this specification is well within the skill of those in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a runner pond formula desulfurization thick liquid pH value measuring device, includes inlet (1), measuring valve (2), water inlet (3), washing water valve (4) and PH electrode (7), its characterized in that: a measuring valve (2) is arranged on the liquid inlet (1), a flushing water valve (4) is arranged on the water inlet (3), the liquid inlet (1) is connected with the water inlet (3), the front ends of the liquid inlet (1) and the water inlet (3) are connected with a circulating sedimentation tank (5) together, a sewage collecting pipe (6) is fixedly arranged at the lower end of the circulation settling tank (5), the upper end of the circulation settling tank (5) is fixedly connected with a connecting pipe (11), a PH electrode (7) is arranged on the connecting pipe (11), the front end of the connecting pipe (11) is communicated with an overflow pipe (8), a liquid outlet (9) is communicated with the lower part of the overflow pipe (8), a trench (10) is butted with the lower part of the liquid outlet (9), the inside of circulation gunbarrel (5) is fixed and is provided with spoiler (12), fixed mounting has sealed lid (13) on sewage collection pipe (6).

2. The device for measuring the pH value of the flow channel pool type desulfurization slurry according to claim 1, is characterized in that: the liquid inlet (1) is communicated with the water inlet (3) through the measuring valve (2) through the flushing water valve (4), and the common connecting pipeline of the measuring valve (2) and the flushing water valve (4) is connected with the circulating sedimentation tank (5) through a flange.

3. The device for measuring the pH value of the flow channel pool type desulfurization slurry according to claim 1, is characterized in that: circulation is integrated structure between precipitation tank (5) and collection dirty pipe (6), and collects dirty pipe (6) and circulate and set up for same center pin between precipitation tank (5) to the common connecting tube who measures valve (2) and sparge water valve (4) connects between circulation precipitation tank (5) and collection dirty pipe (6).

4. The device for measuring the pH value of the flow channel pool type desulfurization slurry according to claim 1, is characterized in that: the connecting pipe (11) outside the circulation settling tank (5) is obliquely arranged, and the connecting end position of the connecting pipe (11) and the overflow pipe (8) is higher than the connecting end position of the connecting pipe (11) and the circulation settling tank (5).

5. The device for measuring the pH value of the flow channel pool type desulfurization slurry according to claim 1, is characterized in that: the PH electrode (7) is connected with the connecting pipe (11) in a thread sealing manner, and the PH electrode (7) is connected to the uppermost position of the connecting pipe (11).

6. The device for measuring the pH value of the flow channel pool type desulfurization slurry according to claim 1, is characterized in that: the sealing cover (13) is connected with the sewage collecting pipe (6) through a flange, and a rubber pad sealing structure is arranged between the sealing cover (13) and the sewage collecting pipe (6).