CN216747521U - Desulfurization slurry parameter measurement device with self-cleaning function - Google Patents
Desulfurization slurry parameter measurement device with self-cleaning function Download PDFInfo
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- CN216747521U CN216747521U CN202220191262.0U CN202220191262U CN216747521U CN 216747521 U CN216747521 U CN 216747521U CN 202220191262 U CN202220191262 U CN 202220191262U CN 216747521 U CN216747521 U CN 216747521U
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Abstract
The utility model provides a desulfurization slurry parameter measuring device with a self-cleaning function, which comprises a sealing cap and a controller, wherein a flushing spray pipe and a plurality of measuring electrodes are arranged in the sealing cap, the measuring electrodes are electrically connected with the controller, the end parts of the measuring electrodes correspond to water spray ports of the flushing spray pipe, the flushing spray pipe is externally connected with a flushing water pipe, and a valve is arranged on the flushing water pipe. The device sets up measuring electrode and the washing spray tube that corresponds with measuring electrode simultaneously on the closing cap, the controller shows measuring electrode's measured value, when the measured value is unusual, manual or electric control is opened the valve and is washed the measuring electrode tip, and then under the circumstances of not shutting down, realize the washing to adsorbate around the measuring electrode, can guarantee to realize the clearance around the measuring electrode under the circumstances of not shutting down, can guarantee the real-time measurement of measuring electrode pair thick liquid again, make measuring electrode can accomplish the clearance in the thick liquid, the frequent start-stop of device has been avoided.
Description
Technical Field
The utility model relates to the technical field of slurry parameter measurement, in particular to a desulfurization slurry parameter measuring device with a self-cleaning function.
Background
At present, with the development of society, the national requirements for environmental protection are increasingly strict, and the emission requirements of pollutants in a power plant are more strict. In the flue gas of power plant, contain more SO2 gas, direct discharge air can cause serious atmospheric pollution, forms pollutants such as acid rain, and desulfurization system is indispensable in consequently the power plant, and desulfurization system's efficiency directly influences the environmental protection of power plant and discharges the index. And the condition monitoring of important parameters in the desulfurization system is more important. At present, desulfurization parameter measuring electrodes in China are all in direct contact with slurry to monitor the slurry. The electrode contacts the slurry for a long time, and particulate matters in the slurry are adsorbed on the surface of the electrode, so that the measurement effect of the electrode is unstable.
The electrode is installed, the components in the slurry are complex, and the cleaning of the electrode is inevitable and always exists. The earliest cleaning is to manually clean the surface of the electrode by stopping the equipment by power plant staff, taking out the measuring electrode. However, in this mode, the equipment is frequently started and stopped, the loss is increased, meanwhile, the measuring electrode belongs to precision equipment, and the electrode is frequently damaged and cannot be measured when a worker takes out, puts in and cleans the electrode. And then the cleaning of the electrode is realized by adding a cleaning water storage tank near the electrode and controlling the electrode through an electromagnetic valve, and after the electrode works in the slurry for a period of time, the electromagnetic valve drives a 'trolley', so that the electrode is driven to the cleaning water storage tank for cleaning and maintenance. The problems of frequent start and stop of equipment and manual cleaning are solved in the mode, but in the electrode maintenance process, the electrode cannot measure the slurry, and real-time monitoring of operation personnel on the slurry parameters is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a desulfurization slurry parameter measuring device with a self-cleaning function, which can clean the periphery of a measuring electrode in time under the condition that desulfurization equipment is not stopped, and ensure the measurement precision of parameters.
The utility model provides a desulfurization slurry parameter measuring device with a self-cleaning function, which comprises a sealing cap and a controller, wherein a flushing spray pipe and a plurality of measuring electrodes are arranged in the sealing cap, the measuring electrodes are electrically connected with the controller, the end parts of the measuring electrodes correspond to water spray ports of the flushing spray pipe, the flushing spray pipe is externally connected with a flushing water pipe, and a valve is arranged on the flushing water pipe.
Further, the valve is an electromagnetic valve, and the electromagnetic valve is electrically connected with the controller.
Furthermore, be equipped with the connecting hole on the sealing cap, wash keeping away from on the spray tube the one end of water jet with the threaded connection is passed through to the one end of connecting hole, the high-speed joint head is installed to the other end of connecting hole, wash the water pipe with the high-speed joint head intercommunication.
Further, the water spray nozzle is of a fan-shaped structure.
Further, the measuring electrode is a pH value measuring electrode or an ORP measuring electrode or a dissolved oxygen measuring electrode or a sulfite measuring electrode.
Furthermore, an electrode shell is arranged on the outer side of the measuring electrode, a leakage-proof fixed filler is arranged in the electrode shell, and the electrode shell is connected with the sealing cap in a screwing mode.
Furthermore, the axes of the plurality of measuring electrodes are parallel to the axis of the flushing spray pipe.
The device further comprises a measuring cylinder, a detection pipeline is arranged on the side wall of the measuring cylinder, and the sealing cap is detachably connected with the end part of the detection pipeline.
Furthermore, a connecting flange is arranged on the outer side of the sealing cap, and the sealing cap is connected with the end part of the detection pipeline through the connecting flange.
Furthermore, be equipped with the internal thread on the inner wall of sealing cap, the tip of detecting the pipeline be equipped with internal thread complex external screw thread, the sealing cap with the tip of detecting the pipeline closes soon and is connected.
According to the technical scheme, the measuring electrode and the flushing spray pipe corresponding to the measuring electrode are arranged on the sealing cap at the same time, the measuring electrode is electrically connected with the controller, the controller displays the measured value of the measuring electrode, when the measured value is abnormal, the valve can be opened to flush the end part of the measuring electrode, and then, the adsorbed substances around the measuring electrode are flushed without stopping the machine, so that the parameter measuring precision is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the present invention mounted on a measuring cylinder;
description of reference numerals: 1-sealing cap, 2-flushing spray pipe, 201-water spray, 3-measuring electrode, 4-electrode shell, 5-leakproof fixed filler, 6-quick connector, 7-flushing water pipe, 8-electromagnetic valve, 9-controller, 10-measuring cylinder, 1001-detecting pipeline, 11-guide pipe, 12-overflow pipe and 13-control valve;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in figures 1 and 2, a desulfurization slurry parameter measurement device with self-cleaning function, including sealing cap 1 and controller 9, controller 9 is the ORP controller, the internally mounted of sealing cap 1 has washing spray tube 2 and a plurality of measuring electrode 3, be equipped with the connecting hole on the sealing cap 1, the threaded connection is passed through with the one end of connecting hole to the one end of keeping away from water jet 201 on washing spray tube 2, high-speed joint head 6 is installed to the other end of connecting hole, the external washing water pipe 7 of high-speed joint head 6, washing water pipe 7 passes through high-speed joint head 6 and washing spray tube 2 intercommunication. The washing spray pipe 2 and the assembled measuring electrode 3 are connected to the sealing cap 1, so that a washing water device is optimized, and the installation space of original washing water equipment is reduced.
Measuring electrode 3 passes through the wire and is connected with controller 9 electricity, and the axis of a plurality of measuring electrode 3 all is parallel to each other with the axis of washing spray tube 2, and measuring electrode 3's tip corresponds with the water jet 201 that washes spray tube 2, and water jet 201 is fan-shaped structure, increases the spray area of sparge water, guarantees that all measuring electrode 3 all are within the washing scope. The measuring electrode 3 can also be arranged in the middle of the inside of the sealing cap 1, the flushing spray pipes 2 are symmetrically arranged on two sides of the measuring electrode 3 or the flushing spray pipes 2 are uniformly distributed around the measuring electrode 3, so that the water spray holes of all the flushing spray pipes 2 are just opposite to the end part of the measuring electrode 3, and the omnibearing cleaning is realized.
Install the valve on the wash pipe 7, the valve is solenoid valve 8, and solenoid valve 8 is connected with controller 9 electricity, and controller 9 timing control solenoid valve 8 opens, realizes regular washing clearance to measuring electrode 3, when measuring electrode 3's the detection parameter is unusual, also can be corresponding make controller 9 trigger solenoid valve 8 open command, clear up around measuring electrode 3.
The measuring electrode 3 is a PH value measuring electrode or an ORP measuring electrode or a dissolved oxygen measuring electrode or a sulfite measuring electrode, and the type of the measuring electrode 3 can be changed at any time according to different parameter measuring requirements.
Measuring electrode's the outside is equipped with electrode shell 4, is equipped with the electrode interface in the sealing cap 1, and the external wire of electrical interface is connected to controller 9 through the wire on, and electrode shell 4 closes with the electrode interface soon and is connected, is equipped with the fixed filler 5 of leak protection in the electrode shell 4, realizes measuring electrode 3's fixing, can also prevent slurry and measuring electrode 3 and wire connection end contact, causes the corruption. Through the electrode shell 4 and the leak-proof fixed filler 5, the assembly effect of a plurality of electrodes can be achieved, and the electrode installation space is greatly saved. The leakproof fixing filler 5 may be made of rubber or resin.
The device is still including measuring a section of thick bamboo 10, is equipped with on the lateral wall of measuring a section of thick bamboo 10 and detects pipeline 1001, and the outside of sealing cap 1 is equipped with flange, and sealing cap 1 passes through flange and the end connection who detects pipeline 1001, realizes dismantling of sealing cap 1, is convenient for wash spray tube 2 and measuring electrode 3's change.
The measuring cylinder 10 is communicated with a guide pipe 11 led out from the desulfurization absorption tower, an overflow port is arranged on the side wall of the measuring cylinder 10, the overflow port is connected with an overflow pipe 12 through a flange, and the other end of the overflow pipe 12 and the tail end of the guide pipe 11 are both communicated with a trench. The side wall of the measuring cylinder 10 is also provided with a detection pipeline 1001 which is communicated with the measuring cylinder and is arranged obliquely upwards, and the detection pipeline 1001 is arranged obliquely upwards to avoid the probability of blockage around the measuring electrode 3. The sealing cap 1 is installed at one end of the detection pipeline 1001 far away from the measuring cylinder 10, and measures the slurry flowing through the measuring cylinder 10. A control valve 13 for controlling the amount of the slurry in the measuring cylinder 10 is also arranged between the measuring cylinder 10 and the draft tube 11, so that the detection in the measuring cylinder 10 is always in a circulating state. The independent arrangement of the measuring cylinder 10 for measuring the slurry parameters can ensure that the measuring electrode 3 is prevented from being influenced by equipment such as an oxidation fan at the bottom of the absorption tower, a slurry circulating pump and the like, and the measurement precision is improved.
Example 2
Compared with the embodiment 1, the present embodiment is different in that an inner thread is provided on an inner wall of the sealing cap 1, an outer thread matched with the inner thread is provided at an end portion of the detection pipeline 1001, and the sealing cap 1 is screwed with the end portion of the detection pipeline 1001. The other technical features of this embodiment are completely the same as those of embodiment 1, and are not described herein again.
The working principle is as follows:
after each equipment assembly is completed, the end part of the detection pipeline 1001 is fixedly installed through the sealing cap 1, slurry flows around the measuring electrode 3, the parameter of the slurry measured by the measuring electrode 3 is guaranteed to be a real-time parameter, the electrode of the measuring electrode 3 is connected to the controller 9, a measured value is displayed on a screen of the controller 9, the flushing spray pipe 2 is connected with the flushing water pipe 7 through the quick connector 6, the electromagnetic valve 8 electrically connected with the controller 9 is installed on the flushing water pipe 7, the flushing time and the flushing interval time are preset and set in the controller 9, the electromagnetic valve 8 is controlled to be opened through the controller 9, and the end part of the measuring electrode 3 is flushed. The device can not only ensure that the cleaning around the measuring electrode 3 is realized under the condition of no stop, but also ensure that the measuring electrode 3 can measure the slurry in real time, so that the measuring electrode 3 can complete the cleaning in the slurry, and the frequent start and stop of the device are avoided.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a desulfurization thick liquid parameter measurement device with from cleaning function, its characterized in that, includes sealing cap and controller, the internally mounted of sealing cap has washing spray tube and a plurality of measuring electrode, measuring electrode with the controller electricity is connected, measuring electrode's tip with the water jet that washes the spray tube corresponds, wash the external washing water pipe of spray tube, the last valve of installing of washing water pipe.
2. The desulfurization slurry parameter measurement device with self-cleaning function according to claim 1, wherein the valve is a solenoid valve, and the solenoid valve is electrically connected with the controller.
3. The desulfurization slurry parameter measurement device with self-cleaning function of claim 1, wherein the sealing cap is provided with a connection hole, one end of the flushing nozzle far away from the water spray opening is connected with one end of the connection hole through a thread, the other end of the connection hole is provided with a quick connector, and the flushing water pipe is communicated with the quick connector.
4. The desulfurization slurry parameter measurement device with self-cleaning function according to claim 1, wherein the water jet is of a fan-shaped structure.
5. The desulfurization slurry parameter measurement device with self-cleaning function according to claim 1, wherein the measurement electrode is a PH value measurement electrode or an ORP measurement electrode or a dissolved oxygen measurement electrode or a sulfite measurement electrode.
6. The desulfurization slurry parameter measurement device with self-cleaning function according to claim 1, wherein an electrode housing is arranged outside the measurement electrode, a leakproof fixed filler is arranged in the electrode housing, and the electrode housing is screwed with the sealing cap.
7. The desulfurization slurry parameter measurement device with self-cleaning function according to claim 1, wherein the axes of a plurality of the measurement electrodes and the axis of the rinse nozzle are parallel to each other.
8. The desulfurization slurry parameter measurement device with self-cleaning function according to claim 1, further comprising a measurement cylinder, wherein a detection pipeline is arranged on the side wall of the measurement cylinder, and the sealing cap is detachably connected with the end part of the detection pipeline.
9. The desulfurization slurry parameter measurement device with self-cleaning function according to claim 8, wherein a connection flange is provided on the outer side of the sealing cap, and the sealing cap is connected with the end of the detection pipeline through the connection flange.
10. The desulfurization slurry parameter measurement device with self-cleaning function according to claim 8, wherein an inner thread is provided on an inner wall of the sealing cap, an outer thread matched with the inner thread is provided at an end portion of the detection pipeline, and the sealing cap is screwed with the end portion of the detection pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220191262.0U CN216747521U (en) | 2022-01-24 | 2022-01-24 | Desulfurization slurry parameter measurement device with self-cleaning function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220191262.0U CN216747521U (en) | 2022-01-24 | 2022-01-24 | Desulfurization slurry parameter measurement device with self-cleaning function |
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| CN216747521U true CN216747521U (en) | 2022-06-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684301A (en) * | 2022-09-29 | 2023-02-03 | 中国恩菲工程技术有限公司 | Slurry pH value adjusting and detecting device and slurry processing device |
| CN115825192A (en) * | 2022-11-09 | 2023-03-21 | 华能重庆珞璜发电有限责任公司 | Cleaning device and cleaning method for desulfurization slurry parameter measurement electrode |
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2022
- 2022-01-24 CN CN202220191262.0U patent/CN216747521U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684301A (en) * | 2022-09-29 | 2023-02-03 | 中国恩菲工程技术有限公司 | Slurry pH value adjusting and detecting device and slurry processing device |
| CN115825192A (en) * | 2022-11-09 | 2023-03-21 | 华能重庆珞璜发电有限责任公司 | Cleaning device and cleaning method for desulfurization slurry parameter measurement electrode |
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