CN111141331A - Rubbish characteristic parameter online detection equipment and application thereof - Google Patents
Rubbish characteristic parameter online detection equipment and application thereof Download PDFInfo
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- CN111141331A CN111141331A CN202010031691.7A CN202010031691A CN111141331A CN 111141331 A CN111141331 A CN 111141331A CN 202010031691 A CN202010031691 A CN 202010031691A CN 111141331 A CN111141331 A CN 111141331A
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- garbage
- incineration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Processing Of Solid Wastes (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Incineration Of Waste (AREA)
Abstract
The application provides a rubbish characteristic parameter on-line measuring equipment, on-line measuring equipment includes element detection device 2 and moisture detection device 1, rubbish characteristic parameter on-line measuring equipment can be based on PGNAA technique and accurately detect the real-time on-line of the characteristic parameter of the rubbish that the composition is complicated, provides the rubbish characteristic parameter that has the ageing, rubbish characteristic parameter includes element content and moisture content, and the parameter on-line control system that burns that this application provided can be based on the rubbish characteristic parameter that on-line measuring equipment provided calculates the msw incineration parameter for msw incineration is more abundant, and the utilization ratio improves.
Description
The application claims priority of Chinese patent application with application number 201911415142.3, entitled "garbage characteristic parameter on-line detection equipment and application thereof", filed by Chinese patent office in 2019, 12 and 31, and the entire content of the application is incorporated by reference.
Technical Field
The application belongs to the field of detection devices, and particularly relates to garbage characteristic parameter online detection equipment and application thereof.
Background
Along with the continuous development of economic life, the problem of urban domestic garbage discharge is increasingly outstanding, and garbage incineration power generation is widely applied as a means for effectively treating garbage.
The characteristic parameters of the garbage have guiding significance on garbage incineration, the characteristic parameters of the garbage comprise heat value, ash content, water content and the like, and the parameters of the heat value, the ash content and the like can be calculated according to the element analysis result and the water content of the garbage. Due to the factors of different areas, such as people's living habits, environmental differences, seasonal differences and the like, the characteristic parameters of the garbage generated in different areas and different seasons have great uncertainty, and in order to ensure that the combustion efficiency and various emission indexes of the garbage incineration power plant meet the environmental protection requirements, the garbage incineration parameters can be adjusted according to the garbage characteristic parameters collected in real time.
Because the composition, shape, size and density of garbage are complex, the traditional sampling detection method depends on the sampling process, the sample representativeness is poor, the detection time is long, and the real-time data of effective garbage element analysis and water content can not be provided.
Disclosure of Invention
For solving and being difficult to gather rubbish characteristic parameter scheduling problem in real time, this application provides a rubbish characteristic parameter on-line measuring equipment, equipment can gather rubbish characteristic parameter on line in real time based on Prompt Gamma neutron activation Analysis technique (Prompt Gamma-ray neutron activation Analysis, PGNAA), makes incineration control system can be according to rubbish characteristic parameter in time adjusts the parameter of burning, thereby guarantees that the each item of emission index of msw burning efficiency and msw incineration power plant reaches the environmental protection requirement.
The present application aims to provide the following aspects:
in a first aspect, the present application provides an online detection apparatus for garbage characteristic parameters, the online detection apparatus comprises an element detection device 2 for online detection of chemical elements in garbage in a garbage storage pit 6 and an online detection device 1 for online detection of moisture content of garbage, wherein the online element detection device comprises a neutron source for providing neutrons and a gamma detector for collecting gamma rays.
In an implementable manner, the neutron source may be an isotopic neutron source or an electronically controllable neutron source, further comprising: an Am-Be source or a Cf source; the electrically controllable neutron source comprises a deuterium-tritium neutron generator or a deuterium-tritium neutron generator.
In an implementable manner, the on-line control system further comprises a waste transport device 8 for transporting waste and a weighing device 9 for weighing the waste.
Optionally, the element detecting device 2, the moisture detecting device 1 and the weighing device 9 are all mounted on the garbage conveying device 8.
Optionally, the online control system further includes a garbage transfer device 8, and the element detection device 2 and the moisture detection device 1 are disposed on the garbage transfer device 8.
In an implementation manner, the online control system further comprises a mechanical arm 3 for installing the element detection device 2, one end of the mechanical arm 3 is installed on the wall of the garbage storage pit 6 or is hung above the garbage storage pit 6, and the element detection device 2 and the moisture detection device 1 are installed at the other end of the mechanical arm 3.
In a second aspect, the system for controlling the incineration parameters on line comprises the equipment for detecting the characteristic parameters of the garbage on line in the first aspect.
In an implementable manner, the online control system is adapted to a waste incineration plant provided with an incineration control system, the online control system further comprising a processor for processing data, the online control system being adapted to perform the following procedure:
the element detection device 2 collects the element content of the garbage;
the moisture detection device 1 collects the moisture content of the garbage;
the weighing device 9 collects the weight of the garbage;
the processor calculates incineration parameters according to garbage characteristic parameters, wherein the garbage characteristic parameters comprise the element content, the water content, the heat value, the ash content, the fixed carbon and the weight of the garbage;
and the incineration control system receives the incineration parameters and controls the incineration device according to the incineration parameters.
Optionally, the incineration parameters include an auxiliary fuel blending ratio, an air amount, and a hearth speed.
In one implementable manner, the auxiliary fuel comprises: and the auxiliary fuel is used for ensuring the stable combustion of the garbage in the incinerator.
Compared with the prior art, the rubbish characteristic parameter on-line measuring equipment that this application provided can be based on PGNAA technique and accurately detect in real time the characteristic parameter of the rubbish that the composition is complicated, provides the rubbish characteristic parameter that has the ageing, rubbish characteristic parameter includes element content, calorific value, ash content, fixed carbon and moisture content, and the parameter on-line control system that burns that this application provided can be according to the rubbish characteristic parameter that on-line measuring equipment provided calculates the msw incineration parameter for msw incineration is more abundant, and the utilization ratio improves.
Drawings
FIG. 1 shows a schematic view of an in-line inspection apparatus of the present application as applied to a trash storage pit;
fig. 2 shows a schematic diagram of an online detection device applied outside a garbage storage pit according to the present application.
Drawings
1-a moisture meter, 2-an element analyzer, 3-a mechanical arm, 4-a garbage grabbing device, 5-an incinerator feed hopper, 6-a garbage storage pit, 7-a discharge hopper, 8-a garbage conveying device and 9-a weighing device.
Detailed Description
The present application is further described in conjunction with the following specific embodiments, and features and advantages of the present application will become more fully apparent from the following description.
The present application is described in detail below.
In a first aspect, the application provides a rubbish characteristic parameter on-line measuring equipment, the on-line measuring equipment includes the element detection device 2 that is arranged in on-line measuring rubbish sump 6 rubbish chemical element and on-line measuring the moisture detection device 1 of rubbish moisture content, wherein, on-line element detection device includes the neutron source that is used for launching the neutron and is used for gathering gamma-ray's gamma detector.
In an implementable manner, the on-line measuring device further comprises waste conveying means 8 for conveying the waste and weighing means 9 for weighing the waste.
According to different specific application positions in a waste incineration site, the waste characteristic parameter online detection equipment provided by the application at least comprises the following two embodiments.
Example 1
Fig. 1 shows a schematic view of an on-line detection device applied in a waste storage pit according to the present application, which is mounted on a robot arm 3 for directly detecting waste in a waste storage pit 6 as shown in fig. 1, and which is in contact with the waste during detection.
As shown in fig. 1, the on-line detection device is mounted on a mechanical arm 3, and can be controlled by the mechanical arm 3 to be inserted into a garbage pile, the moisture content of the garbage pile is measured by a moisture detection device 1, and the element content of the garbage pile is measured by an element detection device 2.
In the present embodiment, the element detecting device 2 mainly includes a D-T neutron source and a γ detector, and the elements analyzed by the element detecting device 2 mainly include C, H, O, N, S, Cl and other main elements and Si, Fe, Al, Ca, Na, Ti, K and other ash elements.
Example 2
Fig. 2 shows a schematic diagram of an online detection device applied outside a garbage storage pit of the present application, and as shown in fig. 2, a belt type garbage transferring device 8 is arranged between a garbage incinerator hopper and the garbage storage pit 6, a garbage grabbing device 4 for grabbing garbage is further arranged between the garbage incinerator hopper and the garbage storage pit 6, and online detection is performed on the garbage transferring device 8.
As shown in fig. 2, the on-line measuring apparatus includes a garbage transferring device 8 for transferring garbage to a feeding hopper 5 of an incinerator, a weighing device 9 for measuring the weight of the garbage, a moisture detecting device 1 for on-line measuring moisture of the garbage, and an element detecting device 2, wherein the weighing device 9 is installed below the garbage transferring device 8, the moisture detecting device 1 is disposed above the garbage transferring device 8, and the element detecting device 2 is disposed below the garbage transferring device 8.
In this embodiment, the garbage gripping device 4 grips the garbage in the garbage storage pit 6 into the discharge hopper 7, and then is transferred to the incinerator hopper 5 by the garbage transfer device 8. In the process of conveying the garbage, the weighing device 9, the moisture detection device 1 and the element detection device 2 respectively detect the weight, the moisture and the element content of the garbage.
In a second aspect, the present application further provides an online control system for waste incineration parameters, where the online control system includes the first aspect, the online detection device for waste characteristic parameters.
In an implementable manner, the online control system is adapted to a waste incineration plant provided with an incineration control system, the online control system further comprising a processor for processing data, the online control system being adapted to perform the following procedure:
the element detection device 2 collects the element content of the garbage;
the moisture detection device 1 collects the moisture content of the garbage;
the weighing device 9 collects the weight of the garbage;
the processor calculates incineration parameters according to the garbage characteristic parameters, wherein the garbage characteristic parameters comprise the element content, the water content, the heat value, the ash content, the fixed carbon and the weight of the garbage;
and the incineration control system receives the incineration parameters and controls the incineration device according to the incineration parameters.
The incineration parameters comprise auxiliary fuel blending ratio, air quantity, hearth speed and the like.
The invention has the following beneficial effects:
(1) the online detection device for the garbage characteristic parameters has the advantages of high detection speed, multiple detection element types, capability of large-volume detection and the like, avoids the problem of poor representativeness of sampling detection, and has more reliable detection data;
(2) the online detection device for the characteristic parameters of the garbage can carry out full-element analysis on the garbage to obtain the main characteristic parameters of the garbage, such as the water content, the heat value, the ash content and the like, and provide the parameters to the online control system for the parameters of the garbage incineration in real time, and can guide the control of the incineration parameters, such as the blending combustion proportion, the combustion-supporting air quantity, the hearth speed and the like, of auxiliary fuel in the garbage incineration process, so that the online detection device has important significance in improving the economy of a garbage incineration power plant;
(3) the online detection device for the characteristic parameters of the garbage provided by the invention detects the content of the element components of the garbage by using prompt gamma ray neutron activation analysis, directly detects the content of the element components of the garbage in a garbage storage pit or at a feed hopper of an incinerator, calculates the characteristic parameters of the garbage according to the content of the element components, and the incinerator adjusts the incineration parameters according to the characteristic parameters, so that the optimal operation of the incineration process is ensured, the incineration efficiency and the economy of the garbage are further improved, and the generation of pollutants is reduced.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (9)
1. The online detection equipment for the characteristic parameters of the garbage is characterized by comprising an element detection device 2 for online detection of chemical elements in the garbage in a garbage storage pit 6 and a moisture detection device 1 for online detection of the moisture content of the garbage, wherein the online element detection device comprises a neutron source for providing neutrons and a gamma detector for collecting gamma rays.
2. The on-line inspection apparatus of claim 1 wherein the neutron source may be an isotope neutron source or an electronically controllable neutron source, further comprising: an Am-Be source or a Cf source; the electronically controllable neutron source includes a deuterium-tritium neutron generator or a deuterium-deuterium neutron generator.
3. The on-line inspection apparatus of claim 2, further comprising a waste conveyor 8 for conveying the waste and a weighing device 9 for weighing the waste.
4. The on-line measuring apparatus according to any one of claims 1 to 3, wherein the element detecting device 2 and the moisture detecting device 1 are mounted on the garbage transporting device 8.
5. The on-line detecting apparatus according to any one of claims 1 to 4, further comprising a garbage transferring device 8, wherein the element detecting device 2 and the moisture detecting device 1 are disposed on the garbage transferring device 8.
6. The on-line detection apparatus according to any one of claims 1 to 5, further comprising a mechanical arm 3 for mounting the element detection device 2, wherein one end of the mechanical arm 3 is mounted on the wall of the garbage storage pit 6 or is suspended above the garbage storage pit 6, and the element detection device 2 and the moisture detection device 1 are mounted at the other end of the mechanical arm 3.
7. An on-line garbage incineration parameter control system, which is characterized by comprising the on-line garbage characteristic parameter detection device of any one of claims 1 to 6.
8. The on-line control system according to claim 7, characterized in that the on-line control system is adapted to a waste incineration plant provided with an incineration control system, the on-line control system further comprising a processor for processing data, the on-line control system being adapted to execute the following procedures:
the element detection device 2 collects the element content of the garbage;
the moisture detection device 1 collects the moisture content of the garbage;
the weighing device 9 collects the weight of the garbage;
the processor calculates incineration parameters according to garbage characteristic parameters, wherein the garbage characteristic parameters comprise the element content, the water content, the heat value, the ash content, the fixed carbon and the weight of the garbage;
and the incineration control system receives the incineration parameters and controls the incineration device according to the incineration parameters.
9. The on-line control system according to claim 7 or 8, wherein the incineration parameters include an auxiliary fuel blending ratio, an air amount, and a hearth speed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019114151423 | 2019-12-31 | ||
| CN201911415142 | 2019-12-31 |
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| Publication Number | Publication Date |
|---|---|
| CN111141331A true CN111141331A (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020068579.6U Active CN211452432U (en) | 2019-12-31 | 2020-01-13 | Rubbish characteristic parameter on-line measuring equipment |
| CN202010031691.7A Pending CN111141331A (en) | 2019-12-31 | 2020-01-13 | Rubbish characteristic parameter online detection equipment and application thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020068579.6U Active CN211452432U (en) | 2019-12-31 | 2020-01-13 | Rubbish characteristic parameter on-line measuring equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758831A (en) * | 2021-03-02 | 2021-05-07 | 河南合力起重机械有限公司 | Special crane for garbage power generation with component detection function |
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2020
- 2020-01-13 CN CN202020068579.6U patent/CN211452432U/en active Active
- 2020-01-13 CN CN202010031691.7A patent/CN111141331A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758831A (en) * | 2021-03-02 | 2021-05-07 | 河南合力起重机械有限公司 | Special crane for garbage power generation with component detection function |
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| CN211452432U (en) | 2020-09-08 |
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