Method and system for determining the inspection period of double-layer ash discharge valve

Through a system composed of proximity switches and PLC modules, the regular inspection cycle of the double-layer ash unloading valve is automatically determined, solving the problem of unstable thermal airflow caused by traditional reliance on appearance inspections, and ensuring the accuracy of equipment maintenance and the timeliness of spare parts preparation.

CN117006308BActive Publication Date: 2025-09-16PANZHIHUA GANGCHENG GROUP
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Patent Information

Application Number
CN202311191383.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-09-14
Publication Date
2025-09-16
Estimated Expiration
2043-09-14

AI Technical Summary

Technical Problem

The regular inspection period of traditional double-layer ash discharge valves relies on visual inspection, which cannot accurately assess their operating status, resulting in unstable thermal airflow.

Method used

The system consists of a proximity switch and a PLC module. The proximity switch determines the operating status of the double-layer ash unloading valve position and sends the information to the PLC module. The PLC module determines the regular inspection cycle based on the operating status.

Benefits of technology

The system realizes the automatic judgment of the regular inspection period of the double-layer ash discharge valve, improves the accuracy of equipment maintenance and the timeliness of equipment spare parts preparation, and ensures the stability of thermal airflow.

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Abstract

The present invention discloses a system and method for determining the regular inspection period of a double-layer ash unloading valve, comprising: a proximity switch and a PLC module; the proximity switch is used to determine the operating status of the double-layer ash unloading valve position and transmit the operating status information to the PLC module; the PLC module is used to receive the operating status information and determine the regular inspection period of the double-layer ash unloading valve based on the operating status information. The present invention can realize the determination of the regular inspection period of the double-layer ash unloading valve.
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Description

Technical Field

[0001] The present invention relates to the field of determining a regular inspection period, and in particular to a method and a system for determining a regular inspection period of a double-layer ash unloading valve. Background Art

[0002] Currently, the operation of traditional double-layer ash discharge valves directly affects the thermal airflow performance of the chain grate. Inspections are conducted solely to determine if the double-layer ash discharge valves are functioning properly and to determine if there are any visible air leaks. Long-term exposure to high-temperature pellets can cause aging and air leakage in the valve lining, leading to unstable thermal conditions. Summary of the Invention

[0003] The purpose of the present invention is to provide a method and system for determining the regular inspection period of a double-layer ash unloading valve, aiming to solve the problem of determining the regular inspection period of a double-layer ash unloading valve.

[0004] The present invention provides a system for determining a regular inspection period of a double-layer ash discharge valve, comprising:

[0005] Proximity switches and PLC modules;

[0006] Proximity switch, used to determine the operating status of the double-layer ash discharge valve position and send the operating status information to the PLC module;

[0007] The PLC module is used to receive operation status information and determine the regular inspection period of the double-layer ash unloading valve according to the operation status information.

[0008] The present invention also provides a method for determining the regular inspection period of a double-layer ash discharge valve, comprising:

[0009] The operating status of the double-layer ash discharge valve position is determined by the proximity switch, and the operating status information is sent to the PLC module;

[0010] The operating status information is received through the PLC module and the regular inspection cycle of the double-layer ash unloading valve is determined according to the operating status information.

[0011] The embodiment of the present invention is used to determine the regular inspection period of the double-layer ash discharge valve.

[0012] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it is implemented in accordance with the contents of the specification, and in order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are specifically listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 2. It is a schematic diagram of a system for determining a fixed inspection period of a double-layer ash discharge valve according to an embodiment of the present invention;

[0015] Figure 2 It is a specific schematic diagram of a system for determining a regular inspection period of a double-layer ash unloading valve according to an embodiment of the present invention. DETAILED DESCRIPTION

[0016] The technical solutions of the present invention are described clearly and completely below with reference to the embodiments. It is obvious that the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0017] System Example

[0018] According to an embodiment of the present invention, a system for determining the regular inspection period of a double-layer ash discharge valve is provided. Figure 1 Schematic diagram of a system for determining a fixed inspection period of a double-layer ash discharge valve according to an embodiment of the present invention. Figure 1 As shown, specifically including:

[0019] Proximity switches and PLC modules;

[0020] Proximity switch, used to determine the operating status of the double-layer ash discharge valve position and send the operating status information to the PLC module;

[0021] The PLC module is used to receive operation status information and determine the regular inspection period of the double-layer ash unloading valve according to the operation status information.

[0022] The PLC module is also used for: The PLC module sets functional units according to the requirements of the on-site positions.

[0023] The system also includes a display module, which is connected to the PLC module and is used to display the operating status information and regular inspection cycle of the double-layer ash unloading valve.

[0024] The specific implementation methods are as follows:

[0025] Figure 2 This is a schematic diagram of a system for determining a fixed inspection period for a double-layer ash discharge valve according to an embodiment of the present invention;

[0026] like Figure 2 The PLC station-based monitoring system shown includes a proximity switch, a PLC module, and a host computer.

[0027] Among them, three proximity switches are on the side of the double-layer ash unloading valve; the PLC station includes several PLC function modules and a power distribution cabinet, and the PLC module sets functional units according to on-site job requirements.

[0028] The function of the PLC counting module is to count the number of times the double-layer ash unloading valve is opened and closed during operation within a period of time, so as to preliminarily judge the operating status of the ash unloading valve body and determine whether to enter the regular inspection. The regular inspection cycle of the ash unloading valve can be obtained, and the equipment maintenance and spare parts preparation can be correctly guided.

[0029] The PLC-based batching system includes a touchscreen host computer, proximity switches, PLC modules, and solenoid valves. The host computer is located in the main control room, while the PLC module, several PLC function modules, and the power distribution cabinet are all placed in the distribution room to facilitate on-site inspections. The PLC module is configured with functional units based on on-site job requirements and can be adjusted on the display screen according to user needs.

[0030] Method Example 1

[0031] According to an embodiment of the present invention, a method for determining a regular inspection period of a double-layer ash discharge valve is provided, specifically comprising:

[0032] The operating status of the double-layer ash discharge valve position is determined by the proximity switch, and the operating status information is sent to the PLC module;

[0033] The operating status information is received through the PLC module and the regular inspection cycle of the double-layer ash unloading valve is determined according to the operating status information.

[0034] The PLC module is also used for: The PLC module sets functional units according to the requirements of the on-site positions.

[0035] The method also includes: displaying the operating status information and the regular inspection cycle of the double-layer ash unloading valve through a display.

[0036] The embodiment of the present invention is a system embodiment corresponding to the above-mentioned method embodiment. The specific operations of each module can be understood by referring to the description of the method embodiment, which will not be repeated here.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. These modifications or replacements of the technical solutions of the embodiments of the present invention do not cause the essence of the corresponding technical solutions to deviate from the scope of this solution.

Claims

1. A system for determining the regular inspection period of a double-layer ash discharge valve, characterized in that: include: Proximity switches and PLC modules; Proximity switch, used to determine the operating status of the double-layer ash discharge valve position and send the operating status information to the PLC module; The PLC module is used to receive operating status information and determine the regular inspection period of the double-layer ash unloading valve based on the operating status information. By counting the number of times the double-layer ash unloading valve is opened and closed during operation within a time period, the operating status of the ash unloading valve body can be preliminarily determined to determine whether to enter regular inspection and obtain the regular inspection period of the ash unloading valve.

2. The system according to claim 1, wherein: The PLC module is also used to: the PLC module sets functional units according to on-site job requirements.

3. The system according to claim 1, wherein: The system further comprises a display module, which is connected to the PLC module and is used to display the operating status information and the regular inspection cycle of the double-layer ash unloading valve.

4. A method for determining the regular inspection period of a double-layer ash discharge valve, characterized in that: include: The operating status of the double-layer ash discharge valve position is determined by the proximity switch, and the operating status information is sent to the PLC module; The operating status information is received through the PLC module and the regular inspection cycle of the double-layer ash unloading valve is determined based on the operating status information. The operating status of the ash unloading valve body is preliminarily determined by counting the number of times the double-layer ash unloading valve is opened and closed during operation within a time period, and it is determined whether to enter the regular inspection and the regular inspection cycle of the ash unloading valve is obtained.

5. The method according to claim 4, characterized in that The PLC module is also used to: the PLC module sets functional units according to on-site job requirements.

6. The method according to claim 5, characterized in that The method further comprises: displaying the operating status information and the regular inspection cycle of the double-layer ash discharge valve on a display.

Citation Information

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