CN115415219A - Flushing method and system for constant-pressure variable-frequency desulfurization demister - Google Patents
Flushing method and system for constant-pressure variable-frequency desulfurization demister Download PDFInfo
- Publication number
- CN115415219A CN115415219A CN202210952575.8A CN202210952575A CN115415219A CN 115415219 A CN115415219 A CN 115415219A CN 202210952575 A CN202210952575 A CN 202210952575A CN 115415219 A CN115415219 A CN 115415219A
- Authority
- CN
- China
- Prior art keywords
- frequency
- power supply
- vibration
- water pressure
- comparison table
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/18—Cleaning-out devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Water Treatments (AREA)
- Treating Waste Gases (AREA)
Abstract
The application discloses a method for washing a constant-pressure variable-frequency desulfurization demister, which comprises the following steps: presetting a water pressure frequency conversion comparison table and a vibration characteristic frequency conversion comparison table; acquiring water pressure data of a pipeline connected with water utilization equipment, and determining the basic power supply frequency of the washing water pump according to a preset water pressure frequency conversion comparison table; acquiring vibration data acquired by the vibration sensor, and determining the additional power supply frequency of the washing water pump according to a preset vibration characteristic frequency conversion comparison table; and determining the final power supply frequency of the washing water pump according to the determined basic power supply frequency and the additional power supply frequency. The application also discloses a constant voltage frequency conversion desulfurization defroster's rinse-system acquires vibration data and water pressure data through vibrating device, vibration sensor and water pressure sensor, and the analysis processing module is to acquireing water pressure data and vibration data carry out analysis processes, and the final frequency of supplying power that constant voltage frequency conversion control module control lets in the washing water pump.
Description
Technical Field
The invention relates to the technical field of demister washing, in particular to a washing method and a washing system of a constant-pressure variable-frequency desulfurization demister.
Background
In the operation process of a thermal power plant, a large amount of flue gas is generated, the flue gas contains harmful gases such as sulfur dioxide, and the flue gas is always led into a sulfur removal mechanism to avoid the harmful gases such as sulfur dioxide polluting the environment; flue Gas Desulfurization (FGD) is a desulfurization mode mainly adopted by thermal power plants, and a corresponding desulfurization system is usually arranged in a coal-fired unit, so that raw Flue gas generated by burning coal in a power generation process is discharged to the outside through a series of treatments of the desulfurization system. The desulfurization system is generally provided with a booster fan for introducing the flue gas into the FGD apparatus while overcoming the flue gas resistance of the FGD apparatus, and a chimney for further treating the flue gas and discharging the flue gas to the outside.
When the conventional defogging mechanism operates, fog is easily generated, sulfuric acid, sulfate, sulfur dioxide and the like are dissolved in the fog, if the fog is not removed, the pollution and corrosion of a fan, a heat exchanger and a flue are easily caused, and therefore, the fog is removed by applying a defogger. Because conventional defroster is in the separation gas-liquid, impurity in its liquid drop can adsorb on the defroster blade, slurry deposit scale deposit scheduling problem appears easily, and then causes the defogging ability reduction of defroster, still can increase desulfurization mechanism's resistance of discharging fume, leads to smoke exhaust fan's consumption increase, in order to avoid this problem, be provided with the mechanism that washes that is used for washing the defroster in the mechanism that removes sulfur, will adsorb the impurity on the defroster blade and wash.
Wash the defroster through washing the mechanism, avoided the thick liquid deposit scale deposit's of defroster problem, nevertheless the conventional mechanism that washes still has following shortcoming: 1. the washing mechanism can not wash the demister according to the actual situation, and because slurry deposition scaling situations of the demisters at different layers are different, if the washing mechanism adopts uniform washing strength, the overshooting of the demisters can be caused, the flue gas carries water, the service life of the demisters is shortened, and the washing of some demisters is not thorough enough; 2. the water system pipeline that washes the mechanism intercommunication is more to different water pipes are connected with different water facilities, so there are multiple pipeline characteristic curve, and the washing water pump operation mode that washes the mechanism is the power frequency operation, can not realize that the constant voltage is controllable, excessively consumes the energy.
Disclosure of Invention
The invention aims to provide a method for washing a constant-pressure variable-frequency desulfurization demister, which solves the problems that a conventional demister washing mechanism cannot wash the demister according to the actual condition and cannot realize constant-pressure control to consume energy.
The invention discloses a washing method of a constant-pressure variable-frequency desulfurization demister, wherein vibration devices and vibration sensors are arranged on demisters of different layers;
the method comprises the following steps:
a water pressure frequency conversion comparison table and a vibration characteristic frequency conversion comparison table are preset, the water pressure frequency conversion comparison table is used for determining the basic power supply frequency of the washing water pump according to water pressure data of a pipeline connected with water equipment, and the vibration characteristic frequency conversion comparison table is used for determining the additional power supply frequency of the washing water pump according to the vibration characteristics of the demisters on different layers;
acquiring water pressure data of a pipeline connected with water utilization equipment, and determining the basic power supply frequency of the washing water pump according to a preset water pressure frequency conversion comparison table;
acquiring vibration data acquired by the vibration sensor, and determining the additional power supply frequency of the washing water pump according to a preset vibration characteristic frequency conversion comparison table;
and determining the final power supply frequency of the washing water pump according to the determined basic power supply frequency and the additional power supply frequency.
In some embodiments of the present application, the method for acquiring the water pressure data is improved to make the water pressure data more accurate, and the water pressure data is acquired by a water pressure sensor disposed on a pipe to which a water consumer is connected.
In some embodiments of the present application, the method for determining the basic power supply frequency is improved, so that the determined basic power supply frequency is more accurate, the electric energy is saved, when the basic power supply frequency is determined, the obtained water pressure data is compared with the preset water pressure data in the water pressure frequency conversion comparison table, and the basic power supply frequency is determined according to the power supply frequency corresponding to the water pressure data in the water pressure frequency conversion comparison table.
In some embodiments of the present application, the vibration device and the vibration sensor are modified such that the vibration sensor facilitates obtaining vibration data of the demister, the vibration device is fixedly mounted on the demisters of different layers, and the vibration sensor obtains vibration data of the demisters of different layers.
In some embodiments of this application, improved the acquisition the vibration data of defroster, so that vibration data is more accurate perfect, be convenient for with predetermine the vibration characteristic frequency conversion LUT is compared, the vibration data that the vibration sensor acquireed include:
the vibration frequency of the demister is used for determining the vibration frequency of the demister provided with the vibration device;
and the amplitude of the demister is used for determining the vibration amplitude of the demister provided with the vibration device.
In some embodiments of the present application, the final supply frequency is modified to determine an actual supply frequency to the rinse water pump, and the actual supply frequency to the rinse water pump is controlled based on the determined final supply frequency.
The application discloses a washing method of a constant-pressure variable-frequency desulfurization demister, wherein a water pressure variable-frequency comparison table and a vibration characteristic variable-frequency comparison table are preset; acquiring water pressure data of a pipeline connected with water utilization equipment, and determining the basic power supply frequency of the washing water pump according to a preset water pressure variable frequency comparison table; acquiring vibration data acquired by the vibration sensor, and determining the additional power supply frequency of the washing water pump according to a preset vibration characteristic frequency conversion comparison table; and determining the final power supply frequency of the washing water pump according to the determined basic power supply frequency and the additional power supply frequency. Confirm finally to let in according to water pressure data and vibration data the power supply frequency of washing water pump can wash to the actual conditions of defroster, has improved the service life of defroster, has still realized constant voltage frequency conversion control, has practiced thrift the energy.
A washing system of a constant-pressure, variable-frequency desulfurization demister, the system comprising:
the vibrating device is fixedly arranged on the demisters on different layers;
the vibration sensor is used for acquiring vibration data of the demisters of different layers;
the water pressure sensor is arranged on the connecting pipeline of the water using equipment and used for acquiring water pressure data of the connecting pipeline of the water using equipment;
the analysis processing module is used for analyzing and processing the acquired water pressure data and the acquired vibration data;
the constant-voltage variable-frequency control module is used for controlling the power supply frequency of the washing water pump;
the analysis processing module is used for presetting a water pressure frequency conversion comparison table and a vibration characteristic frequency conversion comparison table before analyzing and processing the acquired water pressure data and vibration data, wherein the water pressure frequency conversion comparison table is used for determining the basic power supply frequency of the washing water pump according to the water pressure data of a pipeline connected with water equipment, and the vibration characteristic frequency conversion comparison table is used for determining the additional power supply frequency of the washing water pump according to the vibration characteristics of the demisters on different layers;
the analysis processing module acquires water pressure data of a pipeline connected with water using equipment and determines the basic power supply frequency of the washing water pump according to a preset water pressure frequency conversion comparison table; and acquiring vibration data acquired by the vibration sensor, and determining the additional power supply frequency of the washing water pump according to a preset vibration characteristic frequency conversion comparison table.
In some embodiments of the present application, vibration data of the defogger, including vibration frequency of the defogger and amplitude of the defogger, is improved so that the comparison of the vibration data with the vibration characteristic frequency conversion comparison table results in a more accurate power supply frequency.
In some embodiments of the present application, the method for determining the basic power supply frequency is improved to make the determined basic power supply frequency more accurate, when the basic power supply frequency is determined, the obtained water pressure data is compared with the preset water pressure data in the water pressure frequency conversion comparison table, and the basic power supply frequency is determined according to the power supply frequency corresponding to the water pressure data in the water pressure frequency conversion comparison table.
In some embodiments of the present application, the constant voltage variable frequency control module is modified to enable the constant voltage variable frequency control to determine an actual power supply frequency to the rinse water pump, reduce energy consumption, determine a final power supply frequency to the rinse water pump based on the determined basic power supply frequency and the additional power supply frequency;
and the constant-voltage variable-frequency control module controls the actual power supply frequency of the washing water pump according to the determined final power supply frequency.
The application discloses constant voltage frequency conversion desulfurization defroster's rinse-system acquires different layers through vibrating device, vibration sensor and water pressure sensor the vibration data of defroster and the water pressure data of the connecting tube of water equipment, basic power supply frequency and additional power supply frequency are confirmed according to predetermined water pressure frequency conversion reference table and vibration characteristic frequency conversion reference table to the analysis processing module to confirm final power supply frequency, constant voltage frequency conversion control module lets in according to final power supply frequency regulation and control the actual power supply frequency of washing water pump, finally realizes desulfurization defroster's rinse-system's constant voltage frequency conversion control.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a method step diagram of a flushing system of a constant-pressure variable-frequency desulfurization demister, according to the present invention.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and further it is to be understood that when the terms "comprises" and/or "comprising" are used in this specification, it indicates the presence of the features, steps, operations, devices, components and/or combinations thereof, and not to exclude other elements or items. The use of "first," "second," and the like, herein does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. Terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. indicate orientations or positional relationships based on the drawings, and are only terms of relationships determined for convenience in describing structural relationships of the parts or elements of the present invention, and do not particularly indicate any parts or elements of the present invention, and should not be construed as limiting the present invention. Terms such as "fixedly connected", "connected", and the like are to be understood broadly and mean either a fixed connection or an integrally or detachably connected connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
Examples
In the operation process of a thermal power plant, a large amount of flue gas is generated, the flue gas contains harmful gases such as sulfur dioxide, and the flue gas is always led into a sulfur removal mechanism to avoid the harmful gases such as sulfur dioxide polluting the environment; flue Gas Desulfurization (FGD) is a desulfurization mode mainly adopted by thermal power plants, and a corresponding desulfurization system is usually arranged in a coal-fired unit, so that raw Flue gas generated by burning coal in a power generation process is discharged to the outside through a series of treatments of the desulfurization system. The desulfurization system is generally provided with a booster fan for introducing the flue gas into the FGD apparatus while overcoming the flue gas resistance of the FGD apparatus, and a chimney for further treating the flue gas and discharging the flue gas to the outside.
When the conventional defogging mechanism operates, fog is easily generated, sulfuric acid, sulfate, sulfur dioxide and the like are dissolved in the fog, if the fog is not removed, the pollution and corrosion of a fan, a heat exchanger and a flue are easily caused, and therefore, the fog is removed by applying a defogger. Because conventional defroster is in the separation gas-liquid, impurity in its liquid drop can adsorb on the defroster blade, slurry deposit scale deposit scheduling problem appears easily, and then causes the defogging ability of defroster to reduce, still can increase desulfurization mechanism's resistance of discharging fume, leads to exhaust fan's consumption increase, in order to avoid this problem, be provided with the mechanism that washes that is used for washing the defroster in the desulfurization mechanism, will adsorb the impurity on the defroster blade and wash.
Wash the defroster through washing the mechanism, avoided the thick liquid deposit scale deposit's of defroster problem, nevertheless the conventional mechanism that washes still has following shortcoming: 1. the washing mechanism can not wash the demister according to the actual situation, and because slurry deposition scaling situations of the demisters at different layers are different, if the washing mechanism adopts uniform washing strength, the overshooting of the demisters can be caused, the flue gas carries water, the service life of the demisters is shortened, and the washing of some demisters is not thorough enough; 2. the water system pipeline that washes the mechanism intercommunication is more to different water pipes are connected with different water equipment, so there are multiple pipeline characteristic curve, and the washing water pump running mode that washes the mechanism is the power frequency operation, can not realize that the constant voltage is controllable, excessively consumes the energy.
Therefore, the invention discloses a washing method of a constant-pressure variable-frequency desulfurization demister, wherein the demisters on different layers are provided with a vibration device and a vibration sensor, and the method comprises the following steps:
the method comprises the steps that a water pressure frequency conversion comparison table and a vibration characteristic frequency conversion comparison table are preset, the water pressure frequency conversion comparison table is used for determining the basic power supply frequency of a washing water pump according to water pressure data of a pipeline connected with water equipment, and the vibration characteristic frequency conversion comparison table is used for determining the additional power supply frequency of the washing water pump according to vibration characteristics of demisters on different layers.
And acquiring water pressure data of a pipeline connected with the water using equipment, and determining the basic power supply frequency of the washing water pump according to a preset water pressure frequency conversion comparison table.
And acquiring vibration data acquired by the vibration sensor, and determining the additional power supply frequency of the washing water pump according to a preset vibration characteristic frequency conversion comparison table.
And determining the final power supply frequency of the washing water pump according to the determined basic power supply frequency and the additional power supply frequency.
In some embodiments of the present application, in order to obtain water pressure data of a pipe to which a water consumer is connected, the water pressure data is obtained by a water pressure sensor provided on the pipe to which the water consumer is connected.
In some embodiments of the present application, in order to determine a more accurate basic power supply frequency, when determining the basic power supply frequency, the obtained water pressure data is compared with the preset water pressure data in the water pressure frequency conversion comparison table, and the basic power supply frequency is determined according to the power supply frequency corresponding to the water pressure data in the water pressure frequency conversion comparison table.
In some embodiments of the application, in order to obtain vibration data of the demister, the comparison with a preset vibration characteristic frequency conversion comparison table is facilitated, the vibration device and the vibration sensor are improved, the vibration device is fixedly installed on the demister in different layers, and the vibration sensor obtains the vibration data of the demister in different layers.
In some embodiments of the present application, in order to obtain more detailed vibration data, what the vibration data includes is improved, and the vibration data obtained by the vibration sensor includes:
and the vibration frequency of the demister is used for determining the vibration frequency of the demister provided with the vibration device.
And the amplitude of the demister is used for determining the vibration amplitude of the demister provided with the vibration device.
The states of the demisters are different, the vibration characteristics of the demisters received by the vibration sensors are different, and the vibration characteristics of the demisters are compared with the vibration characteristic frequency conversion comparison table, so that the power supply frequency of the washing water pump is adjusted.
In some embodiments of the present application, the actual supply frequency to the rinse water pump is controlled based on the determined final supply frequency.
The application discloses a washing method of a constant-pressure variable-frequency desulfurization demister, which is characterized in that a water pressure variable-frequency comparison table and a vibration characteristic variable-frequency comparison table are preset; acquiring water pressure data of a pipeline connected with water utilization equipment, and determining the basic power supply frequency of the washing water pump according to a preset water pressure frequency conversion comparison table; acquiring vibration data acquired by the vibration sensor, and determining the additional power supply frequency of the washing water pump according to a preset vibration characteristic frequency conversion comparison table; and determining the final power supply frequency of the washing water pump according to the determined basic power supply frequency and the additional power supply frequency. Confirm finally to let in according to water pressure data and vibration data the power supply frequency of washing water pump can wash to the actual conditions of defroster, has improved the service life of defroster, has still realized constant voltage frequency conversion control, has practiced thrift the energy.
In order to further explain the technical scheme of this application, now through disclosing a constant voltage frequency conversion desulfurization defroster's rinse-system's method step, can wash to the actual conditions of defroster, realize constant voltage frequency conversion control, solve the problem of consuming the energy.
As shown in fig. 1, the method steps include:
s1, a water pressure frequency conversion comparison table and a vibration characteristic frequency conversion comparison table are preset.
And S2, acquiring water pressure data of a pipeline connected with the water using equipment, and determining the basic power supply frequency of the washing water pump according to a preset water pressure frequency conversion comparison table.
And S3, acquiring vibration data acquired by the vibration sensor, and determining the additional power supply frequency of the washing water pump according to a preset vibration characteristic frequency conversion comparison table.
And S4, determining the final power supply frequency of the washing water pump according to the determined basic power supply frequency and the determined additional power supply frequency.
In step S1, the water pressure frequency conversion comparison table is configured to determine a basic power supply frequency of the washing water pump according to water pressure data of a pipeline connected to the water using equipment, and the vibration characteristic frequency conversion comparison table is configured to determine an additional power supply frequency of the washing water pump according to vibration characteristics of the demisters in different layers.
In the step S2, when determining the basic power supply frequency, comparing the obtained water pressure data with the water pressure data in the preset water pressure frequency conversion comparison table, and determining the basic power supply frequency according to the power supply frequency corresponding to the water pressure data in the water pressure frequency conversion comparison table.
In step S3, the vibration data acquired by the vibration sensor includes a vibration frequency of the defogger and an amplitude of the defogger;
the states of the demisters are different, the vibration characteristics of the demisters received by the vibration sensors are different, and the additional power supply frequency of the washing water pump is determined by comparing the vibration characteristics of the demisters with the vibration characteristic frequency conversion comparison table.
The application also discloses a rinse-system of constant voltage frequency conversion desulfurization defroster, the system includes vibrating device, vibration sensor, pressure sensor, analysis processes module and constant voltage frequency conversion control module.
And the vibrating devices are fixedly arranged on the demisters on different layers.
And the vibration sensor is used for acquiring vibration data of the demisters on different layers.
And the water pressure sensor is arranged on the connecting pipeline of the water using equipment and used for acquiring the water pressure data of the connecting pipeline of the water using equipment.
And the analysis processing module is used for analyzing and processing the acquired water pressure data and the acquired vibration data.
And the constant-voltage variable-frequency control module is used for controlling the power supply frequency of the washing water pump.
Before the analysis processing module analyzes and processes the acquired water pressure data and vibration data, a water pressure frequency conversion comparison table and a vibration characteristic frequency conversion comparison table are preset, the water pressure frequency conversion comparison table is used for determining the basic power supply frequency of the washing water pump according to the water pressure data of a pipeline connected with water equipment, and the vibration characteristic frequency conversion comparison table is used for determining the additional power supply frequency of the washing water pump according to the vibration characteristics of the demisters on different layers.
The analysis processing module acquires water pressure data of a pipeline connected with water utilization equipment and determines the basic power supply frequency of the washing water pump according to a preset water pressure variable frequency comparison table; and acquiring vibration data acquired by the vibration sensor, and determining the additional power supply frequency of the washing water pump according to a preset vibration characteristic frequency conversion comparison table.
The analysis processing module can adopt a programmable logic controller comprising an input unit, a memory ROM/RAM, a central processing unit CPU and an output unit, the input unit receives acquired water pressure data and vibration data, the memory is used for storing a preset water pressure frequency conversion comparison table and a vibration characteristic frequency conversion comparison table, the central processing unit is used for processing the data received by the input unit, the basic power supply frequency and the additional power supply frequency of the flushing water pump are determined through logic operation, the final power supply frequency of the flushing water pump is determined, the final power supply frequency is output to the constant-voltage frequency conversion control module through the output unit, and the power supply frequency introduced into the flushing water pump is controlled.
In some embodiments of the present application, the vibration data is modified to include a vibration frequency of the defogger and an amplitude of the defogger in order to determine that the vibration data includes specific content.
In some embodiments of the present application, in order to determine a more accurate basic power supply frequency, when determining the basic power supply frequency, the obtained water pressure data is compared with the preset water pressure data in the water pressure frequency conversion comparison table, and the basic power supply frequency is determined according to the power supply frequency corresponding to the water pressure data in the water pressure frequency conversion comparison table.
In some embodiments of the present application, in order to implement the power supply control of the constant-voltage variable-frequency control module to the rinse water pump, a final power supply frequency introduced into the rinse water pump is determined according to the determined basic power supply frequency and the additional power supply frequency; and the constant-voltage variable-frequency control module controls the actual power supply frequency of the washing water pump according to the determined final power supply frequency.
The application discloses constant voltage frequency conversion desulfurization defroster's rinse-system acquires different layers through vibrating device, vibration sensor and water pressure sensor the vibration data of defroster and the water pressure data of the connecting tube of water equipment, basic power supply frequency and additional power supply frequency are confirmed according to predetermined water pressure frequency conversion reference table and vibration characteristic frequency conversion reference table to the analysis processing module to confirm final power supply frequency, constant voltage frequency conversion control module lets in according to final power supply frequency regulation and control the actual power supply frequency of washing water pump, finally realizes desulfurization defroster's rinse-system's constant voltage frequency conversion control.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (10)
1. A washing method of a constant-pressure variable-frequency desulfurization demister is characterized in that a vibration device and a vibration sensor are arranged on demisters on different layers;
the method comprises the following steps:
a water pressure frequency conversion comparison table and a vibration characteristic frequency conversion comparison table are preset, the water pressure frequency conversion comparison table is used for determining the basic power supply frequency of the washing water pump according to water pressure data of a pipeline connected with water equipment, and the vibration characteristic frequency conversion comparison table is used for determining the additional power supply frequency of the washing water pump according to the vibration characteristics of the demisters on different layers;
acquiring water pressure data of a pipeline connected with water utilization equipment, and determining the basic power supply frequency of the washing water pump according to a preset water pressure frequency conversion comparison table;
acquiring vibration data acquired by the vibration sensor, and determining the additional power supply frequency of the washing water pump according to a preset vibration characteristic frequency conversion comparison table;
and determining the final power supply frequency of the washing water pump according to the determined basic power supply frequency and the additional power supply frequency.
2. The method as claimed in claim 1, wherein the water pressure data is obtained by a water pressure sensor installed on a pipe connected to the water using equipment.
3. The method as claimed in claim 2, wherein when determining the basic power supply frequency, the obtained water pressure data is compared with the water pressure data in the preset water pressure frequency conversion comparison table, and the basic power supply frequency is determined according to the power supply frequency corresponding to the water pressure data in the water pressure frequency conversion comparison table.
4. The method as claimed in claim 1, wherein the vibration device is fixedly installed on the demisters of different layers, and the vibration sensor obtains vibration data of the demisters of different layers.
5. The method as claimed in claim 4, wherein the vibration data obtained by the vibration sensor includes:
the vibration frequency of the demister is used for determining the vibration frequency of the demister provided with the vibration device;
and the amplitude of the demister is used for determining the vibration amplitude of the demister provided with the vibration device.
6. The method as claimed in claim 1, wherein the actual frequency of the power supplied to the washing water pump is controlled according to the determined final frequency of the power supplied.
7. The utility model provides a constant voltage frequency conversion desulfurization defroster's rinse-system which characterized in that, the system includes:
the vibrating device is fixedly arranged on the demisters on different layers;
the vibration sensor is used for acquiring vibration data of the demisters of different layers;
the water pressure sensor is arranged on the connecting pipeline of the water using equipment and used for acquiring water pressure data of the connecting pipeline of the water using equipment;
the analysis processing module is used for analyzing and processing the acquired water pressure data and the acquired vibration data;
the constant-voltage variable-frequency control module is used for controlling the power supply frequency of the washing water pump;
the analysis processing module is used for presetting a water pressure frequency conversion comparison table and a vibration characteristic frequency conversion comparison table before analyzing and processing the acquired water pressure data and vibration data, wherein the water pressure frequency conversion comparison table is used for determining the basic power supply frequency of the washing water pump according to the water pressure data of a pipeline connected with water equipment, and the vibration characteristic frequency conversion comparison table is used for determining the additional power supply frequency of the washing water pump according to the vibration characteristics of the demisters on different layers;
the analysis processing module acquires water pressure data of a pipeline connected with water using equipment and determines the basic power supply frequency of the washing water pump according to a preset water pressure frequency conversion comparison table; and acquiring vibration data acquired by the vibration sensor, and determining the additional power supply frequency of the washing water pump according to a preset vibration characteristic frequency conversion comparison table.
8. The system of claim 7, wherein the vibration data includes a demister vibration frequency and a demister amplitude.
9. The system as claimed in claim 7, wherein when determining the basic power supply frequency, the obtained water pressure data is compared with the water pressure data in the preset water pressure frequency conversion comparison table, and the basic power supply frequency is determined according to the power supply frequency corresponding to the water pressure data in the water pressure frequency conversion comparison table.
10. The system as claimed in claim 7, wherein the final frequency of the power supply to the washing water pump is determined according to the determined basic power supply frequency and the determined additional power supply frequency;
and the constant-voltage variable-frequency control module controls the actual power supply frequency of the washing water pump according to the determined final power supply frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952575.8A CN115415219B (en) | 2022-08-09 | 2022-08-09 | Flushing method and system of constant-pressure variable-frequency desulfurization demister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952575.8A CN115415219B (en) | 2022-08-09 | 2022-08-09 | Flushing method and system of constant-pressure variable-frequency desulfurization demister |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115415219A true CN115415219A (en) | 2022-12-02 |
| CN115415219B CN115415219B (en) | 2023-08-29 |
Family
ID=84196909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210952575.8A Active CN115415219B (en) | 2022-08-09 | 2022-08-09 | Flushing method and system of constant-pressure variable-frequency desulfurization demister |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115415219B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001123962A (en) * | 1999-10-26 | 2001-05-08 | Matsushita Electric Ind Co Ltd | Estimation terminal pressure constant control device for pump |
| CN103624022A (en) * | 2013-11-21 | 2014-03-12 | 上海大学 | Demister washing technology for ethylene spent caustic flue gas desulfurization and demister washing device thereof |
| CN203950166U (en) * | 2014-07-01 | 2014-11-19 | 辽宁省岭南环保高新技术产业园发展有限公司 | Mist separator of desulfurization timing, variable, transformation self-stripping system |
| CN104153425A (en) * | 2014-08-21 | 2014-11-19 | 巢湖市金辉自控设备有限公司 | Constant-pressure water supply system |
| CN206519022U (en) * | 2017-03-01 | 2017-09-26 | 武汉立为工程技术有限公司 | A kind of improved mist eliminator flushing water system |
| CN209040206U (en) * | 2018-10-25 | 2019-06-28 | 佛山市铸美电气有限公司 | A kind of hydraulic pressure control system of invariable pressure |
| CN209174458U (en) * | 2018-10-22 | 2019-07-30 | 南京中电环保科技有限公司 | A kind of desulfurizer mist eliminator flushing control system |
| CN111997881A (en) * | 2020-08-13 | 2020-11-27 | 优众新能源（深圳）股份有限公司 | Intelligent variable-frequency constant-pressure control system for water supply |
| CN215997728U (en) * | 2021-05-12 | 2022-03-11 | 成都新一驱动技术有限责任公司 | Water pressure self-adaptation washing unit |
-
2022
- 2022-08-09 CN CN202210952575.8A patent/CN115415219B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001123962A (en) * | 1999-10-26 | 2001-05-08 | Matsushita Electric Ind Co Ltd | Estimation terminal pressure constant control device for pump |
| CN103624022A (en) * | 2013-11-21 | 2014-03-12 | 上海大学 | Demister washing technology for ethylene spent caustic flue gas desulfurization and demister washing device thereof |
| CN203950166U (en) * | 2014-07-01 | 2014-11-19 | 辽宁省岭南环保高新技术产业园发展有限公司 | Mist separator of desulfurization timing, variable, transformation self-stripping system |
| CN104153425A (en) * | 2014-08-21 | 2014-11-19 | 巢湖市金辉自控设备有限公司 | Constant-pressure water supply system |
| CN206519022U (en) * | 2017-03-01 | 2017-09-26 | 武汉立为工程技术有限公司 | A kind of improved mist eliminator flushing water system |
| CN209174458U (en) * | 2018-10-22 | 2019-07-30 | 南京中电环保科技有限公司 | A kind of desulfurizer mist eliminator flushing control system |
| CN209040206U (en) * | 2018-10-25 | 2019-06-28 | 佛山市铸美电气有限公司 | A kind of hydraulic pressure control system of invariable pressure |
| CN111997881A (en) * | 2020-08-13 | 2020-11-27 | 优众新能源（深圳）股份有限公司 | Intelligent variable-frequency constant-pressure control system for water supply |
| CN215997728U (en) * | 2021-05-12 | 2022-03-11 | 成都新一驱动技术有限责任公司 | Water pressure self-adaptation washing unit |
Non-Patent Citations (1)
| Title |
|---|
| 刘军峰;: "除雾器防堵新秀――高流速移动式冲洗系统", 科技传播, no. 10, pages 107 - 108 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115415219B (en) | 2023-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104722203A (en) | SCR denitration control system and SCR denitration control method of heating furnace flue gas | |
| CN107398162B (en) | Energy-saving method for wet flue gas desulfurization oxidation fan | |
| CN109513323A (en) | A kind of real-time monitoring for wet process depickling and energy-saving system and method | |
| CN115415219A (en) | Flushing method and system for constant-pressure variable-frequency desulfurization demister | |
| CN110935312A (en) | Dynamic monitoring device and dynamic monitoring method for SCR flue gas denitration system | |
| CN108730170A (en) | A kind of more motor Optimal Control Systems and its optimal control method | |
| CN202666769U (en) | Urea water production equipment for vehicle, ship or thermal power plant | |
| CN214829084U (en) | Sewage treatment plant based on PLC control | |
| CN116065191A (en) | Water electrolysis hydrogen production system and water replenishing control method thereof | |
| CN111450622B (en) | Demister flushing system capable of automatically adjusting water balance of desulfurizing tower and control method | |
| CN211626156U (en) | Cooling tower cooling system based on flow change | |
| CN209962148U (en) | Waste incineration flue gas purification treatment control system | |
| CN212396137U (en) | Demister flushing system capable of automatically adjusting water balance of desulfurizing tower | |
| CN107364959A (en) | A kind of energy-saving aeration control system of high sludge activity applied to SBR | |
| CN209549121U (en) | A kind of real-time monitoring for wet process depickling and energy-saving system | |
| CN105800777A (en) | Energy-saving sewage treatment system based on SBR process | |
| CN107991962B (en) | Monitoring method for desulfurization device of thermal power plant and monitoring system using same | |
| CN111957190A (en) | Feeding control method and system for deacidification atomizer | |
| CN205608492U (en) | Self -adaptation water treatment intelligence control system | |
| CN209828671U (en) | Tail gas treatment device for dilute nitric acid production | |
| CN212029830U (en) | Subway ventilation system intelligence control system based on big data and thing networking | |
| CN206109158U (en) | Energy saving and consumption reduction's sewage treatment device | |
| CN209118094U (en) | A kind of improvement intelligence control system in water treatment facilities | |
| CN218491514U (en) | Waste acid concentration treatment system | |
| CN205821012U (en) | A kind of air-blast device of controlled aeration rate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |