阅读说明：本技术 基于生活垃圾的碳化监测方法及系统 (Household garbage-based carbonization monitoring method and system ) 是由 赵莉莉 于 2020-06-22 设计创作，主要内容包括：本申请提供一种基于生活垃圾的碳化监测方法及系统,该方法包括：在生活垃圾碳化处理的过程中,实时监控碳化炉的工作条件；在碳化炉的工作条件符合预先设定的标准条件下,实时采集生活垃圾碳化处理过程中位于碳化区的第一碳化数据；根据第一碳化数据监测生活垃圾碳化的稳定性。本申请对火焰的稳定性进行监测,提高生活垃圾的碳化效率和碳化完全程度,提高能源的回收率。(The application provides a carbonization monitoring method and a system based on household garbage, wherein the method comprises the following steps: in the process of domestic garbage carbonization treatment, the working condition of the carbonization furnace is monitored in real time; acquiring first carbonization data in a carbonization area in the process of carbonizing the household garbage in real time under the condition that the working conditions of the carbonization furnace meet preset standard conditions; and monitoring the stability of the domestic garbage carbonization according to the first carbonization data. This application monitors the stability of flame, improves domestic waste's carbonization efficiency and carbonization completeness, improves the rate of recovery of the energy.)

1. A domestic garbage-based carbonization monitoring method is characterized by comprising the following steps:

in the process of domestic garbage carbonization treatment, the working condition of the carbonization furnace is monitored in real time;

acquiring first carbonization data in a carbonization area in the process of carbonizing the household garbage in real time under the condition that the working conditions of the carbonization furnace meet preset standard conditions;

and monitoring the stability of the domestic garbage carbonization according to the first carbonization data.

2. The domestic waste-based carbonation monitoring method according to claim 1, wherein the operating conditions of the carbonation furnace are controlled to: the temperature is less than 230 ℃, the interior of the carbonization furnace is in an oxygen-free environment, and the carbonization furnace is in a sealed state.

3. The domestic waste based carbonation monitoring method according to claim 1, wherein the method of monitoring the stability of the carbonation of the domestic waste based on the first carbonation data comprises the sub-steps of:

a plurality of first flame images continuously collected within a preset time period;

calculating a flame stability value according to the plurality of first flame images;

and comparing the calculated flame stability value with a preset threshold value, wherein if the flame stability value is greater than the preset threshold value, the domestic garbage is not carbonized stably, and otherwise, the domestic garbage is carbonized stably.

4. The domestic waste based carbonation monitoring method according to claim 3, wherein the flame stability value is calculated by the formula:

wherein W represents a flame stability value; h represents the total number of the acquired first flame images, and H represents the number of the first flame images; u. of_hRepresenting an area of a flame region in the first flame image; v_hRepresenting an area of a non-flame region in the first flame image; p_h(x, y) represents the gray value of the pixel with the coordinates (x, y) of the pixel point of the h first flame image; p_h+1(x, y) represents the gray value of the pixel with the h +1 th first flame image pixel point coordinate being (x, y); d_h(h+1)And representing the distance between the flame center point coordinate of the h-th first flame image and the flame center point coordinate of the h + 1-th first flame image.

5. The domestic waste based carbonation monitoring method according to claim 4, wherein the flame centre point coordinates (x)₀,y₀) The calculation formula of (2) is as follows:

6. The method of claim 4, wherein the area u of the flame region in the first flame image is the area of the flame region_hThe calculation formula of (2) is as follows:

u_h＝B·C·I；

b represents the total column number of pixel points in the flame area of the first flame image; c represents the total row number of the flame region pixel points of the first flame image, and I represents the area of a single pixel.

7. The domestic waste based carbonation monitoring method according to claim 1, further comprising: and purifying the smoke discharged by the carbonization furnace after the carbonization treatment, and monitoring whether the purified smoke meets the emission standard in real time.

8. The domestic waste based carbonation monitoring method according to claim 7, wherein said neutralization of SO used in the purification process is performed₂The dosage of the gas neutralizer is controlled by the following method:

detecting SO in purified flue gas₂The content of gas;

according to detected SO₂Content of (3), predetermined SO₂Calculating the dosage regulating value of the neutralizer by using the gas emission standard value and the allowable deviation grade;

and adjusting the dosage of the neutralizing agent according to the dosage adjusting value of the neutralizing agent.

9. The domestic waste based carbonation monitoring method according to claim 1, further comprising: and inputting the collected first carbonization data into a pre-constructed household garbage category identification model to obtain the category of the household garbage in the carbonization furnace.

10. A domestic waste based carbonation monitoring system, the system comprising:

the carbonization furnace working condition monitoring module is used for monitoring the working condition of the carbonization furnace in real time in the process of carbonizing the household garbage;

the data acquisition module is used for acquiring first carbonization data in a carbonization area in the process of carbonizing the household garbage in real time under the condition that the working condition of the carbonization furnace meets the preset standard condition;

and the stability monitoring module is used for monitoring the stability of the household garbage carbonization according to the first carbonization data.

Technical Field

The application relates to the technical field of garbage treatment, in particular to a household garbage-based carbonization monitoring method and system.

Background

The flue gas discharged by the incineration of the household garbage contains various harmful and toxic substances such as SO2, HCl, HF, Hg, Pb, Cd, NOx, dioxin, heavy metals and the like, and if a simple incineration method is adopted, serious secondary pollution can be caused.

Disclosure of Invention

The application aims to provide a domestic garbage-based carbonization monitoring method and system, which are used for monitoring the stability of flame, improving the carbonization efficiency and the carbonization completeness of domestic garbage and improving the recovery rate of energy.

In order to achieve the above object, the present application provides a domestic waste-based carbonization monitoring method, which comprises:

in the process of domestic garbage carbonization treatment, the working condition of the carbonization furnace is monitored in real time;

acquiring first carbonization data in a carbonization area in the process of carbonizing the household garbage in real time under the condition that the working conditions of the carbonization furnace meet preset standard conditions;

and monitoring the stability of the domestic garbage carbonization according to the first carbonization data.

As above, wherein the operating conditions of the carbonization furnace are controlled as follows: the temperature is less than 230 ℃, the interior of the carbonization furnace is in an oxygen-free environment, and the carbonization furnace is in a sealed state.

The method for monitoring the carbonization stability of the household garbage according to the first carbonization data comprises the following sub-steps:

a plurality of first flame images continuously collected within a preset time period;

calculating a flame stability value according to the plurality of first flame images;

and comparing the calculated flame stability value with a preset threshold value, wherein if the flame stability value is greater than the preset threshold value, the domestic garbage is not carbonized stably, and otherwise, the domestic garbage is carbonized stably.

As above, wherein the flame stability value is calculated by the formula:

wherein H represents the total number of the acquired first flame images, and H represents the number of the first flame images; u. of_hRepresenting an area of a flame region in the first flame image; v_hRepresenting an area of a non-flame region in the first flame image; p_h(x, y) represents the gray value of the pixel with the coordinates (x, y) of the pixel point of the h first flame image; p_h+1(x, y) represents the pixel with coordinates (x, y) of the h +1 th first flame image pixel pointGray value; d_h(h+1)And representing the distance between the flame center point coordinate of the h-th first flame image and the flame center point coordinate of the h + 1-th first flame image.

As above, wherein the flame center point coordinate (x)₀,y₀) The calculation formula of (2) is as follows:

wherein x is₀Abscissa, y, representing the center point of the flame₀An ordinate representing the flame center point; b represents the total column number of pixel points in the flame area of the first flame image; and C represents the total number of rows of pixel points in the flame area of the first flame image.

As above, wherein the area u of the flame region in the first flame image_hThe calculation formula of (2) is as follows:

u_h＝B·C·I；

b represents the total column number of pixel points in the flame area of the first flame image; c represents the total row number of the flame region pixel points of the first flame image, and I represents the area of a single pixel.

As above, wherein, the domestic waste-based carbonization monitoring method further includes: and purifying the smoke discharged by the carbonization furnace after the carbonization treatment, and monitoring whether the purified smoke meets the emission standard in real time.

As above, wherein the SO is neutralized in the purification treatment₂The dosage of the gas neutralizer is controlled by the following method:

detecting SO in purified flue gas₂The content of gas;

according to detected SO₂Content of (3), predetermined SO₂Calculating the dosage regulating value of the neutralizer by using the gas emission standard value and the allowable deviation grade;

and adjusting the dosage of the neutralizing agent according to the dosage adjusting value of the neutralizing agent.

As above, wherein, the domestic waste-based carbonization monitoring method further includes: and inputting the collected first carbonization data into a pre-constructed household garbage category identification model to obtain the category of the household garbage in the carbonization furnace.

The application still provides a carbonization monitoring system based on domestic waste, and this system includes:

the carbonization furnace working condition monitoring module is used for monitoring the working condition of the carbonization furnace in real time in the process of carbonizing the household garbage;

the data acquisition module is used for acquiring first carbonization data in a carbonization area in the process of carbonizing the household garbage in real time under the condition that the working condition of the carbonization furnace meets the preset standard condition;

and the stability monitoring module is used for monitoring the stability of the household garbage carbonization according to the first carbonization data.

The beneficial effect that this application realized is as follows:

(1) this application carries out innocent treatment to domestic waste, adopts the method of low temperature anaerobic pyrolysis carbonization for domestic waste carbonization, it produces more heat at the in-process of carbonization, with heat recovery, has practiced thrift the energy, and in addition, domestic waste produces less flue gas at the in-process of carbonization, contains less harmful substance in the flue gas, carries out purification treatment to the flue gas, prevents that domestic waste from causing the pollution to the environment.

(2) This application carries out real-time supervision to domestic waste carbonization's process, monitors domestic waste's carbonization condition to adjust the parameter of carbide furnace according to domestic waste's carbonization condition, with the carbonization efficiency and the carbonization complete degree that improve domestic waste, improve the rate of recovery of the energy.

(3) This application carries out real time monitoring to the flue gas after the purification treatment, prevents to still have harmful substance in the flue gas after the purification treatment, and then prevents to cause the pollution to the environment.

(4) The method and the device judge the category of the domestic garbage in the carbonization furnace according to the flame image and the flame spectrum information in the domestic garbage carbonization process so as to know the carbonization condition in the carbonization furnace.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a flowchart of a household garbage-based carbonization monitoring method according to an embodiment of the present application.

Fig. 2 is a flowchart of a method for monitoring the stability of the carbonization of the household garbage according to an embodiment of the present application.

FIG. 3 illustrates an embodiment of the present application for neutralizing SO in a cleaning process₂A flow chart of a method for controlling the amount of neutralizing agent used in a gas.

Fig. 4 is a schematic structural diagram of a household garbage-based carbonization monitoring system according to an embodiment of the present application.

Reference numerals: 10-a carbonization furnace working condition monitoring module; 20-a data acquisition module; 30-a stability detection module; 31-an acquisition module; 32-a calculation module; 33-a comparison module; 40-household garbage category identification model; 50-neutralizer dosage control module; 60-a smoke detection module; 100-carbonization monitoring system.

Detailed Description

The technical solutions in the embodiments of the present application are clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.