Incinerator grate slag conveying device with automatic monitoring function
By combining pneumatic conveying components and sensors, the mechanical wear and ash leakage problems of the ash conveying equipment under the incinerator grate have been solved, achieving efficient and convenient ash conveying and environmental protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-03-24
AI Technical Summary
Existing ash conveying equipment under the grate of incinerators suffers from serious problems such as mechanical wear, chain breakage, guide rail deformation, ash leakage, and cumbersome operation. In particular, the environment is unsanitary under positive pressure, and the existing equipment has complicated connections.
It adopts pneumatic conveying components, feeding components, connecting components, pneumatic ash discharge valves and material level sensors. The pneumatic ash discharge valves are connected to the feeding pipe and the lower ash hopper with a high seal. Combined with the blockage sensor and material level sensor, automatic monitoring and control are achieved, eliminating mechanical structures, reducing failure frequency and improving assembly efficiency.
It achieves high sealing performance during ash and slag conveying, avoids ash leakage, reduces mechanical failures, improves operational convenience and equipment automation level, and ensures environmental hygiene.
Smart Images
Figure CN224033830U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to ash conveying equipment technical field, especially, relate to a kind of automatic monitoring function's incinerator grate slag conveying device. BACKGROUND
[0002] Manual plug valve, electric double-layer ash valve and en masse are used in the incinerator grate ash conveying equipment;
[0003] But because the density of conveying material is relatively big, it is easy to cause en masse chain abrasion, simultaneously, when outlet is blocked with slag, it is easy to cause en masse chain fracture, guide rail deformation causes en masse shell deformation, and serious leakage of ash is caused, because ash hopper under grate is in positive pressure state, ash valve shaft end and en masse shaft end often appear ash emission phenomenon during operation, cause the environment health of lower part of grate to be relatively poor, and the assembly of the device is connected by multiple bolts, and the operation is cumbersome, thus the automatic monitoring function's incinerator grate slag conveying device is needed to solve the above problems. SUMMARY
[0004] The utility model aims at providing a kind of automatic monitoring function's incinerator grate slag conveying device to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of automatic monitoring function's incinerator grate slag conveying device, including pneumatic conveying assembly, several feed assemblies, several connecting assemblies, several pneumatic ash valves, several ash hoppers and several material level sensors, the pneumatic conveying assembly includes conveying pipe, the top of the conveying pipe is connected with connecting piece;
[0006] The feed assembly is connected with pneumatic ash valve by connecting assembly, and the pneumatic ash valve is connected with ash hopper by connecting assembly;
[0007] The feed assembly includes feed pipe and blockage sensor, and several feed pipes are connected to the top of the conveying pipe, and the blockage sensor is connected to the front of the feed pipe;
[0008] The connecting assembly includes limiting slot, sealing ring, threaded pipe, annular groove, first recess, second recess, positioning hole, positioning rod, first sealing pad and second sealing pad, two limiting slots are respectively arranged on the outside of the top of feed pipe and pneumatic ash valve, the sealing ring is connected in the limiting slot, the sealing ring is lapped in the annular groove, the annular groove is arranged in the threaded pipe, two first recesses and two second recesses are respectively arranged in the top of feed pipe and pneumatic ash valve, the first sealing pad and the second sealing pad are respectively arranged in the first recess and the second recess, the threaded pipe below is threadedly connected to the bottom of pneumatic ash valve, and the threaded pipe above is threadedly connected to the bottom of ash hopper.
[0009] The material level sensor is connected to the front of the lower ash bucket.
[0010] Further, the connecting piece is connected with the gas source, the conveying pipe is arranged in an inclined manner, the inclination angle of the conveying pipe is 30 degrees, and the bottom of the conveying pipe is connected with the slag remover.
[0011] Further, two positioning holes are formed in the top end of the feeding pipe and the pneumatic ash discharge valve, and the positioning rods are inserted into the positioning holes.
[0012] Further, the lower positioning rod is connected with the bottom end of the pneumatic ash discharge valve, and the upper positioning rod is connected with the bottom end of the lower ash bucket.
[0013] Further, the positioning holes are arranged between the first groove and the second groove.
[0014] Further, the first sealing gasket and the second sealing gasket are arranged in the threaded pipe, and the cross-sectional shape of the sealing ring is in an arc shape.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] The utility model discloses a connecting assembly is arranged, and the device cancels the existing mechanical structure (chain, guide rail, head wheel, tail wheel, bearing, end cover) of buried scraper conveyor, reduces the mechanical failure frequency, and removes the existing problems, when the positioning rod is inserted into the positioning hole, the threaded pipe is rotated, the lower threaded pipe is screwed on the bottom of the pneumatic ash discharge valve, the upper threaded pipe is screwed on the bottom of the lower ash bucket, the bottom of the pneumatic ash discharge valve contacts the top end of the feeding pipe, the bottom of the lower ash bucket is attached to the top of the pneumatic ash discharge valve, at this time, the pneumatic plugboard can be assembled with the feeding pipe and the lower ash bucket, and the first sealing gasket in the first groove, the second sealing gasket in the second groove, the sealing ring in the limiting groove and the threaded connection structure are matched with each other, can be multiple sealed between the pneumatic ash discharge valve and the feeding pipe and the lower ash bucket, the pneumatic ash discharge valve and the feeding pipe and the lower ash bucket can be connected together quickly and high sealing, convenient operation improves the assembly efficiency of the device, and the ash does not appear the condition of leaking in the conveying process.
[0017] The utility model discloses a material level sensor and blocking sensor, when blocking sensor judges whether the blockage through the pressure change of feeding pipe, when the feeding pipe has material blockage, the pressure at the feeding pipe will rise, and blocking sensor converts the pressure signal detected into electric signal and sends to the controller outside, when the pressure exceeds threshold value, then judges as blockage, and the controller sends the alarm signal and controls the pneumatic ash discharge valve to stop working. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a structure schematic view of the utility model from the front view;
[0019] Figure 2 is a structure schematic view of the utility model from the front view;
[0020] Figure 3 is a structure schematic view of the utility model from the front view.
[0021] In the figure: 1, pneumatic conveying assembly;11, conveying pipe;12, connecting piece;2, feeding assembly;21, feeding pipe;22, blockage sensor;3, connecting assembly;31, limiting groove;32, sealing ring;33, threaded pipe;34, annular groove;35, first recess;36, second recess;37, positioning hole;38, positioning rod;39, first sealing gasket;310, second sealing gasket;4, pneumatic ash valve;5, ash hopper;6, level sensor. DETAILED DESCRIPTION
[0022] The utility model will be further described below in combination with examples.
[0023] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple improvement of the method of the utility model under the concept of the utility model belongs to the range of protection required by the utility model.
[0024] Please refer to Figures 1-3 The utility model provides a kind of automatic monitoring function's incinerator grate slag conveying device, including pneumatic conveying assembly 1, several feeding assemblies 2, several connecting assemblies 3, several pneumatic ash valves 4, several ash hoppers 5 and several level sensors 6, pneumatic conveying assembly 1 includes conveying pipe 11, the top of conveying pipe 11 is connected with connecting piece 12, by being set conveying pipe 11, the back of conveying pipe 11 is equipped with multiple overhaul openings;
[0025] Feeding assembly 2 is connected with pneumatic ash valve 4 by connecting assembly 3, pneumatic ash valve 4 is connected with ash hopper 5 by connecting assembly 3, by being set pneumatic ash valve 4, the back of pneumatic ash valve 4 is equipped with overhaul opening;
[0026] The feeding assembly 2 comprises a feeding pipe 21 and a blockage sensor 22, several feeding pipes 21 are connected at the top of the conveying pipe 11, and the blockage sensor 22 is connected at the front of the feeding pipe 21. By arranging the blockage sensor 22, the blockage sensor 22 can be arranged as a pressure type blockage sensor 22. The pressure type blockage sensor 22 judges whether it is blocked by detecting the pressure change at the feeding pipe 21. When the feeding pipe 21 normally discharges ash, the pressure is in a stable range. When there is material blockage, the pressure at the feeding pipe 21 will rise. The pressure type blockage sensor 22 converts the detected pressure signal into an electric signal and transmits it to the external controller. When the pressure exceeds the threshold value, it is determined that it is blocked. The controller sends an alarm signal and controls the pneumatic ash discharge valve 4 to stop working.
[0027] The connecting assembly 3 comprises a limiting groove 31, a sealing ring 32, a threaded pipe 33, an annular groove 34, a first recess 35, a second recess 36, a positioning hole 37, a positioning rod 38, a first sealing gasket 39 and a second sealing gasket 310. Two limiting grooves 31 are respectively arranged outside the top ends of the feeding pipe 21 and the pneumatic ash discharge valve 4. The sealing ring 32 is connected in the limiting groove 31. The sealing ring 32 is lapped in the annular groove 34. The annular groove 34 is arranged in the threaded pipe 33. Two first recesses 35 and two second recesses 36 are respectively arranged at the top ends of the feeding pipe 21 and the pneumatic ash discharge valve 4. The first sealing gasket 39 and the second sealing gasket 310 are respectively arranged in the first recess 35 and the second recess 36. The lower threaded pipe 33 is threadedly connected at the bottom of the pneumatic ash discharge valve 4. The upper threaded pipe 33 is threadedly connected at the bottom of the ash hopper 5.
[0028] The level sensor 6 is connected at the front of the ash hopper 5. By arranging the level sensor 6, when the level sensor 6 is arranged as a capacitive level sensor 6, the capacitive level sensor 6 is composed of two electrodes. One is a measuring electrode installed in the ash hopper 5. The other is a grounding electrode. When the material height in the ash hopper 5 changes, the capacitance value between the material and the measuring electrode will change. Because the dielectric constants of different media are different, the amount of material will affect the size of the capacitance. The capacitive level sensor 6 reflects the height of the material level by detecting the change of the capacitance value. Then the controller controls the opening size of the pneumatic ash discharge valve 4 through the material level detected by the capacitive level sensor 6.
[0029] In this embodiment, the garbage on the grate is incinerated, the residual ash enters the ash bucket 5, the amount of ash is controlled by the opening degree of the pneumatic ash valve 4, the ash in the ash bucket 5 moves into the conveying pipe 11 through the pneumatic ash valve 4 and the feeding pipe 21, and the ash in the conveying pipe 11 is conveyed downward to the slag discharger connected at the bottom of the conveying pipe 11 under the action of the air source, in the process, the device cancels the mechanical structure chain, guide rail, head wheel, tail wheel, bearing and end cover of the existing en masse conveyor, reduces the mechanical failure frequency and eliminates the existing problems, and the device can be quickly assembled through the connecting assembly 3.
[0030] When the pneumatic ash valve 4 needs to be connected with the feeding pipe 21 and the ash bucket 5, the two positioning rods 38 at the bottom of the pneumatic ash valve 4 are inserted into the two positioning holes 37 in the feeding pipe 21, when the external threads at the bottom of the pneumatic ash valve 4 are in contact with the threaded pipe 33, the threaded pipe 33 is rotated in the positive direction, the rotating threaded pipe 33 can be screwed at the bottom of the downward moving pneumatic ash valve 4, when the bottom of the pneumatic ash valve 4 moves into the first groove 35 and the second groove 36 and is in contact with the first sealing gasket 39 and the second sealing gasket, and the bottom of the pneumatic ash valve 4 is in contact with the top end of the feeding pipe 21, the threaded pipe 33 is stopped rotating;
[0031] Then the threaded pipe 33 below the feeding hopper is inserted into the positioning hole 37 at the top of the pneumatic ash valve 4, and then the threaded pipe 33 is rotated, so that the threaded pipe 33 is screwed outside the external threads at the bottom of the ash bucket 5, and the bottom of the ash bucket 5 is attached to the top of the pneumatic ash valve 4;
[0032] As shown in Figure 1 and Figure 2 The slag conveying device for the grate of the incinerator with the automatic monitoring function provided by the utility model has the connecting piece 12 connected with the air source, the connecting piece 12 is composed of the connecting pipe and the air volume adjusting valve, one end of the connecting pipe is connected with the air source, the other end of the connecting pipe is connected with the conveying pipe 11 through the air volume adjusting valve, the air volume adjusting valve is used for adjusting the air volume, and the air volume adjusting valve is closed when checking and maintaining, so that the ash is prevented from being blown out by compressed air, the conveying pipe 11 is arranged in an inclined mode, the inclination angle of the conveying pipe 11 is 30 degrees, and the bottom of the conveying pipe 11 is connected with the slag discharger;
[0033] In this embodiment, the ash in the conveying pipe 11 can move downward under the action of gravity and the blowing of the air flow through the arrangement of the conveying pipe 11;
[0034] As shown in Figure 2 The top end of the feeding pipe 21 and the top end of the pneumatic ash valve 4 are both provided with two positioning holes 37, and the positioning rod 38 is inserted into the positioning hole 37;
[0035] In this embodiment, the positioning hole 37 and the positioning rod 38 cooperate to position the pneumatic ash discharge valve 4, so that the moving pneumatic ash discharge valve 4 can be accurately moved into the first groove 35 and the second groove 36;
[0036] As shown in Figure 2 The positioning rod 38 located below is connected with the bottom end of the pneumatic ash discharge valve 4, and the positioning rod 38 located above is connected with the bottom end of the ash discharging hopper 5.
[0037] As shown in Figure 2 And Figure 3 The positioning hole 37 is arranged between the first groove 35 and the second groove 36.
[0038] As shown in Figure 2 The first sealing gasket 39 and the second sealing gasket 310 are arranged in the threaded pipe 33, and the cross-sectional shape of the sealing ring 32 is arc-shaped.
[0039] In this embodiment, the arc-shaped sealing ring 32 and the sealing groove cooperate to seal the gap between the threaded pipe 33 and the limiting groove 31.
[0040] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A ash conveying device for an incinerator grate with automatic monitoring function, comprising a pneumatic conveying assembly (1), several feeding assemblies (2), several connecting assemblies (3), several pneumatic ash discharge valves (4), several ash hoppers (5), and several level sensors (6), characterized in that: The pneumatic conveying assembly (1) includes a conveying pipe (11), and a connector (12) is connected to the top of the conveying pipe (11); The feeding assembly (2) is connected to the pneumatic ash discharge valve (4) via the connecting assembly (3), and the pneumatic ash discharge valve (4) is connected to the lower ash hopper (5) via the connecting assembly (3); The feeding assembly (2) includes a feeding pipe (21) and a blockage sensor (22). Several feeding pipes (21) are connected to the top of the conveying pipe (11), and the blockage sensor (22) is connected to the front of the feeding pipe (21). The connecting assembly (3) includes a limiting groove (31), a sealing ring (32), a threaded pipe (33), an annular groove (34), a first groove (35), a second groove (36), a positioning hole (37), a positioning rod (38), a first sealing gasket (39), and a second sealing gasket (310). The two limiting grooves (31) are respectively opened on the outside of the top of the feed pipe (21) and the pneumatic ash discharge valve (4). The sealing ring (32) is connected inside the limiting groove (31), and the sealing ring (32) overlaps the annular groove (310). Inside 34), the annular groove (34) is opened inside the threaded tube (33), the two first grooves (35) and the two second grooves (36) are respectively opened at the top of the feed pipe (21) and the pneumatic ash discharge valve (4), the first sealing gasket (39) and the second sealing gasket (310) are respectively set in the first groove (35) and the second groove (36), the threaded tube (33) located below is threaded to the bottom of the pneumatic ash discharge valve (4), and the threaded tube (33) located above is threaded to the bottom of the lower ash hopper (5); The material level sensor (6) is connected to the front of the lower ash hopper (5).
2. The incinerator grate ash conveying device with automatic monitoring function according to claim 1, characterized in that: The connector (12) is connected to the gas source, the conveying pipe (11) is inclined, the inclination angle of the conveying pipe (11) is set to 30 degrees, and the bottom of the conveying pipe (11) is connected to the slag discharge machine.
3. The incinerator grate ash conveying device with automatic monitoring function according to claim 1, characterized in that: The top of the feed pipe (21) and the pneumatic ash discharge valve (4) are both provided with two positioning holes (37), and the positioning rod (38) is inserted into the positioning hole (37).
4. The incinerator grate ash conveying device with automatic monitoring function according to claim 3, characterized in that: The lower positioning rod (38) is connected to the bottom end of the pneumatic ash discharge valve (4), and the upper positioning rod (38) is connected to the bottom end of the lower ash hopper (5).
5. The incinerator grate ash conveying device with automatic monitoring function according to claim 3, characterized in that: The positioning hole (37) is located between the first groove (35) and the second groove (36).
6. The incinerator grate ash conveying device with automatic monitoring function according to claim 1, characterized in that: The first sealing gasket (39) and the second sealing gasket (310) are disposed inside the threaded tube (33), and the cross-sectional shape of the sealing ring (32) is set to arc shape.