A continuous online detection device for waste incineration fly ash

Abstract

The utility model discloses a kind of continuous on-line detection devices of waste incineration fly ash, including vertical ash channel, conveyor belt mechanism, component detection device;The side wall of vertical ash channel is equipped with opening, the first end of conveyor belt mechanism passes through the opening, and it is inserted in the vertical ash channel, and second end is located vertical ash channel outside side;Conveyor belt mechanism is equipped with several conveying boxes, and each conveying box includes box body, cover plate and automatic uncovering mechanism, and the bottom of box body is fixed with conveyor belt, and automatic uncovering mechanism is used to drive the automatic opening and closing of cover plate;Component detection device is arranged above the second end of conveyor belt mechanism, for detecting the component of fly ash collected in conveying box;The utility model is in real time, accurately monitor the composition such as chlorine content, heavy metal of waste incineration fly ash, provide reliable basis for subsequent fly ash treatment process optimization, to effectively reduce the environmental risk in fly ash treatment process.

Description

Technical Field

[0001] This utility model relates to the field of waste incineration fly ash treatment technology, specifically to a continuous online detection device for waste incineration fly ash. Background Technology

[0002] Fly ash from municipal solid waste incineration is a hazardous waste containing large amounts of heavy metals, dioxins, and chloride salts. Improper handling of these substances poses a serious threat to the ecological environment and human health. The presence of chloride salts not only affects the performance of fly ash pellets as building materials, reducing their strength and stability, but may also cause secondary pollution during subsequent use, such as leading to soil salinization.

[0003] Currently, among existing technologies for treating fly ash from waste incineration, patent CN117091144A discloses a sintering treatment system for fly ash from waste incineration. This system granulates the fly ash and returns it to the incinerator to be thoroughly mixed with municipal solid waste, then sintersulates it using the high-temperature environment of the incinerator. This treatment method can significantly reduce the amount of fly ash generated and effectively lower the cost of fly ash treatment and disposal, thus possessing considerable application value.

[0004] However, this technical solution has its shortcomings. During the processing, although sintering is carried out, the prepared fly ash pellets may still contain a certain amount of chloride salts and heavy metals. When fly ash pellets containing chloride salts and heavy metals are used in building materials and other fields, performance degradation will occur, and the risk of secondary pollution to the environment will also increase.

[0005] The current detection methods have a drawback: the detection of chlorides and heavy metals in fly ash is conducted offline. Offline detection results in a time lag. When the test results for the previous batch of fly ash are available, the real-time ash separation operation is already using the current batch. Due to this time lag, it is difficult to reflect changes in chloride and heavy metal content in fly ash in a timely manner, which is detrimental to ash separation control. Utility Model Content

[0006] The purpose of this invention is to address the problems existing in the prior art by providing a continuous online monitoring device for waste incineration fly ash. Real-time and accurate monitoring of the chlorine content, heavy metals, and other components of waste incineration fly ash provides a reliable basis for optimizing subsequent fly ash treatment processes, thereby effectively reducing the environmental risks during fly ash treatment.

[0007] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0008] A continuous online detection device for fly ash from waste incineration includes a vertical ash discharge channel, a conveyor belt mechanism, and a component detection device. One side wall of the vertical ash discharge channel has an opening. A first end of the conveyor belt mechanism passes through the opening and extends into the vertical ash discharge channel, while a second end is located outside the vertical ash discharge channel. The conveyor belt mechanism has several conveyor boxes, each including a box body, a cover plate, and an automatic cover opening mechanism. The bottom of the box body is fixed to the conveyor belt, and the automatic cover opening mechanism drives the automatic opening and closing of the cover plate. The component detection device is located above the second end of the conveyor belt mechanism and is used to detect the composition of the fly ash collected in the conveyor boxes.

[0009] Furthermore, the cover includes two symmetrically arranged flip plates, one side of each flip plate being hinged to the top side of the box body; the automatic opening mechanism drives the two flip plates to rotate synchronously; when the flip plates are rotated to a horizontal state, the top end face of the box body supports the flip plates, and the two flip plates close and cover the top opening of the box body.

[0010] Furthermore, the automatic lid opening mechanism includes a linear drive assembly located on one side of the box body. The linear drive assembly has a movable block that moves vertically up and down. The two sides of the movable block are respectively rotatably connected to connecting rods, and the other ends of the two connecting rods are respectively rotatably connected to the side pins of the flip plate on the corresponding side.

[0011] Furthermore, the linear drive assembly also includes a guide rod, a threaded rod, and a drive motor. The two ends of the threaded rod and the guide rod are fixed to one side of the housing by a mounting plate. The movable block is provided with a threaded hole and a guide through hole. The movable block is connected to the threaded rod through the threaded hole and to the guide rod through the guide through hole.

[0012] Furthermore, the vertical lower gray channel is provided with a first proximity sensor switch and a second proximity sensor switch above and below the opening, respectively; the component detection device is provided with a third proximity sensor switch and a fourth proximity sensor switch in front of and behind the direction of travel of the conveyor box, respectively.

[0013] Furthermore, the component detection device is an X-ray spectrometer.

[0014] Furthermore, the opening of the vertical lower gray channel is connected to the conveying corridor, the other end of the conveying corridor is connected to the detection chamber, the component detection device is located in the detection chamber, the conveyor belt mechanism passes through the conveying corridor, and its second end extends into the detection chamber.

[0015] Furthermore, the opening of the vertical ash channel is flexibly connected to the conveying corridor via a corrugated pipe. The lower side of the conveying corridor is provided with an ash collection hopper, which is connected to a chute, and the chute is connected to the vertical ash channel.

[0016] Furthermore, the outer wall of the vertical lower ash channel is provided with several air jet nozzles on the upper and lower sides of the opening to form an air curtain at the opening.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] By setting multiple conveyor boxes on the conveyor belt mechanism, the continuous movement of the conveyor belt enables the conveyor boxes to complete the cycle of fly ash collection, transportation, detection and discharge in sequence. This design breaks the limitations of traditional detection methods and realizes continuous online detection of chlorine content, heavy metals and other components in waste incineration fly ash. It can obtain fly ash chlorine content data in a timely and accurate manner, providing strong data support for the adjustment of subsequent fly ash treatment processes and greatly improving detection efficiency.

[0019] The automatic lid opening mechanism of the conveyor box can precisely control the opening and closing of the lid. When collecting fly ash, it ensures that the box opening faces upwards, allowing the fly ash to fall smoothly into the box. During transportation, the lid is tightly closed, effectively preventing fly ash from spilling and avoiding pollution to the surrounding environment. During testing and discharge, the lid can be opened in time, ensuring the stability and reliability of the entire testing process.

[0020] The automatic lid opening mechanism achieves synchronous rotation of two flip plates through the coordinated work of linear drive components and connecting rods. Only one drive mechanism is needed to complete the opening and closing of the lid, which improves the convenience and efficiency of operation, while also reducing the equipment failure rate and maintenance costs.

[0021] Proximity sensors were installed near the vertical gray channel and the component detection device. Through the cooperation of the proximity sensors and the control device, the entire detection process was automated. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the overall structure of the detection device in one embodiment of this application;

[0024] Figure 2This is a schematic diagram of the structure of the transfer box in one embodiment of this application, wherein the cover is in the closed state;

[0025] Figure 3 This is a schematic diagram of the structure of the transfer box in one embodiment of this application, wherein the cover is in the open state;

[0026] In the diagram: 1. Vertical ash channel; 2. Conveyor belt mechanism; 3. Component detection device; 4. Conveyor box; 5. Tilting plate; 6. Movable block; 7. Connecting rod; 8. Guide rod; 9. Threaded rod; 10. Drive motor; 11. First proximity sensor switch; 12. Second proximity sensor switch; 13. Third proximity sensor switch; 14. Fourth proximity sensor switch; 15. Conveying corridor; 16. Detection chamber; 17. Ash collection hopper; 18. Chute. Detailed Implementation

[0027] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0028] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0029] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0030] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] Currently, among existing technologies for treating fly ash from waste incineration, patent CN117091144A discloses a sintering treatment system for fly ash from waste incineration. This system granulates the fly ash and returns it to the incinerator to be thoroughly mixed with municipal solid waste, then sintersulates it using the high-temperature environment of the incinerator. This treatment method can significantly reduce the amount of fly ash generated and effectively lower the cost of fly ash treatment and disposal, thus possessing considerable application value.

[0032] However, this technical solution has its shortcomings. During the processing, although sintering is carried out, the prepared fly ash pellets may still contain a certain amount of chloride salts and heavy metals. When fly ash pellets containing chloride salts and heavy metals are used in building materials and other fields, performance degradation will occur, and the risk of secondary pollution to the environment will also increase.

[0033] The current detection methods have a drawback: the detection of chlorides and heavy metals in fly ash is conducted offline. Offline detection results in a time lag. When the test results for the previous batch of fly ash are available, the real-time ash separation operation is already using the current batch. Due to this time lag, it is difficult to reflect changes in chloride and heavy metal content in fly ash in a timely manner, which is detrimental to ash separation control.

[0034] To address the above technical issues, such as Figures 1 to 3 As shown, this application embodiment provides a continuous online detection device for waste incineration fly ash, including a vertical ash discharge channel 1, a conveyor belt mechanism 2, and a component detection device 3; one side wall of the vertical ash discharge channel 1 is provided with an opening, the first end of the conveyor belt mechanism 2 passes through the opening and extends into the vertical ash discharge channel 1, and the second end is located outside the vertical ash discharge channel 1; the conveyor belt mechanism 2 is provided with a plurality of conveyor boxes 4, each conveyor box 4 including a box body, a cover plate and an automatic cover opening mechanism, the bottom of the box body is fixed to the conveyor belt, and the automatic cover opening mechanism is used to drive the automatic opening and closing of the cover plate; the component detection device 3 is located above the second end of the conveyor belt mechanism and is used to detect the component of the fly ash collected in the conveyor box 4.

[0035] The vertical ash discharge channel 1 serves as the essential passage for transporting fly ash from waste incineration. Within this channel, the fly ash falls naturally under the influence of gravity. When the conveyor box 4, along with the conveyor belt mechanism 2, moves into the vertical ash discharge channel 1, the automatic cover opening mechanism activates, driving the cover to open. As the conveyor belt continues to move, when the box opening faces upwards, some of the falling fly ash will drop into the box, completing the fly ash collection process.

[0036] After the fly ash is collected in the conveyor box 4, it continues to move out of the vertical ash discharge channel 1 along with the conveyor belt mechanism 2. During this process, the automatic cover opening mechanism drives the cover plate to close, preventing the fly ash from spilling during transportation.

[0037] When the conveyor box 4 moves with the conveyor belt mechanism 2 to below the component detection device 3, the automatic cover opening mechanism drives the cover to open again, exposing the fly ash inside the box so that the component detection device 3 can detect the chlorine content, heavy metals, and other components of the fly ash. The component detection device 3 uses X-rays to perform non-contact chlorine content analysis on the fly ash inside the box, and the detection data is transmitted to the control system in real time.

[0038] After the test is completed, the cover is closed again, and then the conveyor box 4 is moved back into the vertical ash channel 1 along with the conveyor belt mechanism 2. At this time, the conveyor box 4 is in an inverted state, and the automatic cover opening mechanism drives the cover to open again, discharging the tested fly ash back into the vertical ash channel 1. In this way, the conveyor box 4 continuously repeats the above process of collection, transportation, testing and discharge. Since there are multiple conveyor boxes 4 on the conveyor belt mechanism 2, continuous online detection of chlorine content, heavy metals and other components in waste incineration fly ash can be achieved.

[0039] In this embodiment, the device uses multiple conveyor boxes 4 mounted on a conveyor belt mechanism 2. The continuous movement of the conveyor belt allows the conveyor boxes 4 to sequentially complete the cyclical process of fly ash collection, transportation, detection, and discharge. This design overcomes the limitations of traditional detection methods that require intermittent sampling and testing, enabling continuous online detection of chlorine content, heavy metals, and other components in waste incineration fly ash, thus greatly improving detection efficiency.

[0040] The automatic lid opening mechanism of the conveyor box 4 can precisely control the opening and closing of the lid, ensuring that the box opening faces upwards when collecting fly ash, so that the fly ash can fall into the box smoothly; the lid closes during transportation to prevent fly ash from spilling; and the lid can open in time during testing and discharge, ensuring the stability and reliability of the entire testing process.

[0041] Continuous online monitoring of the chlorine content in waste incineration fly ash allows for timely understanding of changes in chlorine levels, providing a basis for subsequent fly ash treatment processes. For example, the treatment process can be adjusted based on the monitoring results. The fly ash can be first introduced into a washing tank, and after washing and dehydration, it can be granulated. This effectively reduces the chloride content in the fly ash granules, preventing chloride from adversely affecting their performance as building materials.

[0042] In some embodiments, the cover includes two symmetrically arranged flip plates 5, one side of each flip plate 5 being hinged to the top side of the box body; the automatic opening mechanism drives the two flip plates 5 to rotate synchronously; when the flip plates 5 are rotated to a horizontal state, the top end face of the box body supports the flip plates 5, and the two flip plates 5 close the top opening of the box body.

[0043] Two symmetrically arranged flip-up plates 5 are hinged to the top side of the box body and, when in a horizontal state, are supported by the top end face of the box body to achieve a tight seal, ensuring a good sealing effect when the cover is closed. This effectively prevents fly ash leakage from the top opening of the box body during the transport of fly ash in the conveyor box 4. The automatic opening mechanism drives the two flip-up plates 5 to rotate synchronously; only one drive mechanism is needed to open and close both flip-up plates 5 simultaneously, improving operational convenience and efficiency.

[0044] In some embodiments, the automatic lid opening mechanism includes a linear drive assembly disposed on one side of the box body. The linear drive assembly is provided with a movable block 6 that moves vertically up and down. Connecting rods 7 are rotatably connected to both sides of the movable block 6. The other ends of the two connecting rods 7 are rotatably connected to the side pins of the flip plate on the corresponding side.

[0045] When the cover needs to be opened to collect fly ash or for testing, the linear drive assembly starts working, driving the movable block 6 to move vertically upwards. As the movable block 6 rises, one end of the connecting rod 7, which is rotatably connected to both sides of it, also moves upwards. Since the other end of the connecting rod 7 is rotatably connected to the side of the flip plate 5, the connecting rod 7 applies an upward thrust to the flip plate 5 during its ascent, causing the flip plate 5 to flip upwards and open around its hinge point with the top side of the box.

[0046] When fly ash collection is complete, detection is finished, or fly ash needs to be discharged, the linear drive assembly reverses its direction, driving the movable block 6 to move vertically downwards. At this time, the movable block 6 drives the connecting rods 7 on both sides to move downwards. The connecting rods 7 apply a downward pulling force to the flip plate 5, causing the flip plate 5 to flip downwards around the hinge point and gradually return to a horizontal state. Finally, the two flip plates 5 tightly cover the top opening of the box, thus closing the cover.

[0047] In some embodiments, the linear drive assembly further includes a guide rod 8, a threaded rod 9, and a drive motor 10. The two ends of the threaded rod 9 and the guide rod 8 are fixed to one side of the housing by a mounting plate. The movable block 6 is provided with a threaded hole and a guide through hole. The movable block 6 is connected to the threaded rod 9 through the threaded hole and to the guide rod 8 through the guide through hole.

[0048] In the initial state, the drive motor 10 is not started, the movable block 6 is in an initial position on the threaded rod 9 and the guide rod 8, the cover is closed, and the two flip plates 5 tightly cover the top opening of the box.

[0049] When the cover needs to be opened, the drive motor 10 starts working. The output shaft of the drive motor 10 is connected to the threaded rod 9, driving the threaded rod 9 to rotate around its own axis. Since the movable block 6 is threadedly connected to the threaded rod 9 through a threaded hole, according to the principle of threaded transmission, the rotational motion of the threaded rod 9 is converted into linear motion of the movable block 6 along the axis of the threaded rod 9. At the same time, the movable block 6 is slidably connected to the guide rod 8 through the guide through hole. The guide rod 8 plays a guiding role, restricting the rotational freedom of the movable block 6, so that it can only make linear upward motion along the direction of the guide rod 8. As the movable block 6 rises, the connecting rods 7 on both sides drive the flipping plate 5 to flip upward around the hinge point with the top side of the box, and the cover gradually opens, revealing the top opening of the box for fly ash collection or detection operations.

[0050] When fly ash collection is complete, testing is finished, or fly ash needs to be discharged, the drive motor 10 rotates in the opposite direction, causing the threaded rod 9 to rotate in the opposite direction. Under the action of the reverse rotation of the threaded rod 9, the movable block 6 moves downward in a straight line along the direction of the guide rod 8. During the descent of the movable block 6, the connecting rod 7 pushes the flipping plate 5 to flip downward, so that the two flipping plates 5 gradually return to the horizontal state, and finally tightly cover the top opening of the box, realizing the closure of the cover.

[0051] In some embodiments, the vertical lower gray channel 1 is provided with a first proximity sensor switch 11 and a second proximity sensor switch 12 above and below the opening, respectively; the component detection device 3 is provided with a third proximity sensor switch 13 and a fourth proximity sensor switch 14 in front of and behind the conveyor box 4 in the direction of travel, respectively.

[0052] As the conveyor box 4 moves outward from the vertical lower ash channel 1 along with the conveyor belt mechanism 2, it gradually approaches the opening of the vertical lower ash channel 1. When it reaches the sensing range of the first proximity sensor switch 11, the first proximity sensor switch 11 is triggered. The first proximity sensor switch 11 transmits a sensing signal to the control system, which then issues a command to activate the automatic cover opening mechanism to close the cover of the conveyor box 4, facilitating subsequent conveying.

[0053] When the conveyor box 4 is inverted and returned into the vertical ash channel 1, it passes through the sensing range of the second proximity sensor switch 12, which is then triggered. At this time, the control system receives a signal, issues a command, and activates the automatic cover opening mechanism to open the cover of the conveyor box 4, thereby facilitating the return of fly ash from the conveyor box 4 into the vertical ash channel 1.

[0054] When the conveyor box 4 moves toward the component detection device 3 along with the conveyor belt mechanism 2, once it enters the sensing range of the third proximity sensor switch 13, the third proximity sensor switch 13 is triggered. After receiving the signal, the control system starts the automatic cover opening mechanism to open the cover of the conveyor box 4, so that the component detection device 3 can detect the chlorine content of the fly ash.

[0055] After the conveyor box 4 completes the detection, it continues to move away from the component detection device 3 along with the conveyor belt mechanism 2. When it passes through the sensing range of the fourth proximity sensor switch 14, the fourth proximity sensor switch 14 is triggered. After receiving this signal, the control system issues a command to start the automatic lid opening mechanism to close the lid of the conveyor box 4, so as to prevent fly ash from leaking out during subsequent inverted transmission.

[0056] By combining proximity sensors with a control device, the entire detection process is automated.

[0057] In some embodiments, the component detection device 3 is an X-ray spectrometer.

[0058] During the detection process, the X-ray spectrometer does not require complex pretreatment of the fly ash sample, nor does it damage the original morphology of the sample. Simply placing the fly ash sample within the instrument's detection range allows for component analysis. After detection, the fly ash sample can still be returned to the vertical lower ash channel 1 for subsequent granulation. Therefore, it is particularly suitable for the application environment described in this application.

[0059] In some embodiments, the opening of the vertical lower gray channel 1 is connected to the conveying corridor 15, the other end of the conveying corridor 15 is connected to the detection chamber 16, the component detection device 3 is located in the detection chamber 16, and the conveyor belt mechanism 2 passes through the conveying corridor 15, with its second end extending into the detection chamber 16.

[0060] The conveying corridor 15 adopts a closed structure, which effectively prevents fly ash from leaking into the external environment during transportation. At the same time, the closed environment can reduce the interference of external dust, moisture and other factors on fly ash samples, ensuring the accuracy of test results.

[0061] The testing chamber 16 provides a stable and suitable working environment for the component detection device 3, reducing the impact of environmental factors on the test results.

[0062] In some embodiments, the opening of the vertical lower ash channel 1 is flexibly connected to the conveying corridor 15 via a corrugated pipe. The lower side of the conveying corridor 15 is provided with an ash collection hopper 17, which is connected to a chute 18, and the chute 18 is connected to the vertical lower ash channel 1.

[0063] In some embodiments, the outer wall of the vertical lower ash channel 1 is provided with a plurality of air jets on the upper and lower sides of the opening, which are used to form an air curtain at the opening to prevent dust in the vertical lower ash channel 1 from leaking out into the conveying corridor 15.

[0064] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A continuous online detection device for fly ash from waste incineration, characterized in that, Includes a vertical lower gray channel (1), a conveyor belt mechanism (2), and a component detection device (3); The vertical lower ash channel (1) has an opening on one side wall. The first end of the conveyor belt mechanism (2) passes through the opening and extends into the vertical lower ash channel (1), while the second end is located outside the vertical lower ash channel (1). The conveyor belt mechanism (2) is provided with a number of conveyor boxes (4). Each conveyor box (4) includes a box body, a cover plate and an automatic opening mechanism. The bottom of the box body is fixed to the conveyor belt. The automatic opening mechanism is used to drive the cover plate to open and close automatically. The component detection device (3) is located above the second end of the conveyor belt mechanism and is used to detect the components of fly ash collected in the conveyor box (4).

2. The continuous online detection device for fly ash from waste incineration according to claim 1, characterized in that, The cover plate includes two symmetrically arranged flip plates (5), one side of each of the two flip plates (5) is hinged to the top side of the box body; The automatic lid opening mechanism drives the two flip plates (5) to rotate synchronously; When the flip plate (5) is rotated to a horizontal position, the top end face of the box supports the flip plate (5), and the two flip plates (5) close and cover the top opening of the box.

3. The continuous online detection device for fly ash from waste incineration according to claim 2, characterized in that, The automatic opening mechanism includes a linear drive assembly located on one side of the box body. The linear drive assembly has a movable block (6) that moves vertically up and down. The two sides of the movable block (6) are respectively rotatably connected to connecting rods (7). The other ends of the two connecting rods (7) are respectively rotatably connected to the side pins of the flip plate on the corresponding side.

4. The continuous online detection device for fly ash from waste incineration according to claim 3, characterized in that, The linear drive assembly also includes a guide rod (8), a threaded rod (9), and a drive motor (10). The two ends of the threaded rod (9) and the guide rod (8) are fixed to one side of the box body by a mounting plate. The movable block (6) is provided with a threaded hole and a guide through hole. The movable block (6) is connected to the threaded rod (9) through the threaded hole and to the guide rod (8) through the guide through hole.

5. The continuous online detection device for fly ash from waste incineration according to claim 1, characterized in that, The vertical lower gray channel (1) is provided with a first proximity sensor switch (11) and a second proximity sensor switch (12) above and below the opening, respectively; the component detection device (3) is provided with a third proximity sensor switch (13) and a fourth proximity sensor switch (14) in front of and behind the direction of travel of the conveyor box (4), respectively.

6. The continuous online detection device for fly ash from waste incineration according to claim 1, characterized in that, The component detection device (3) is an X-ray spectrometer.

7. The continuous online detection device for fly ash from waste incineration according to claim 1, characterized in that, The opening of the vertical lower gray channel (1) is connected to the conveying corridor (15), and the other end of the conveying corridor (15) is connected to the detection chamber (16). The component detection device (3) is located in the detection chamber (16). The conveyor belt mechanism (2) passes through the conveying corridor (15), and its second end extends into the detection chamber (16).

8. The continuous online detection device for fly ash from waste incineration according to claim 7, characterized in that, The opening of the vertical ash channel (1) is flexibly connected to the conveying corridor (15) through a corrugated pipe. The lower side of the conveying corridor (15) is provided with an ash collection hopper (17), which is connected to a chute (18), and the chute (18) is connected to the vertical ash channel (1).

9. The continuous online detection device for fly ash from waste incineration according to claim 1, characterized in that, The outer wall of the vertical lower ash channel (1) is provided with several air jet nozzles on the upper and lower sides of the opening, which are used to form an air curtain at the opening.

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