CN117212798A - Fire grate for household garbage incineration and household garbage incineration device - Google Patents
Fire grate for household garbage incineration and household garbage incineration device Download PDFInfo
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- CN117212798A CN117212798A CN202311462464.XA CN202311462464A CN117212798A CN 117212798 A CN117212798 A CN 117212798A CN 202311462464 A CN202311462464 A CN 202311462464A CN 117212798 A CN117212798 A CN 117212798A
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- fire grate
- roller
- grate
- household garbage
- brush rod
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 90
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 239000004449 solid propellant Substances 0.000 claims abstract description 7
- 239000010791 domestic waste Substances 0.000 claims abstract description 3
- 238000002485 combustion reaction Methods 0.000 claims description 23
- 230000009471 action Effects 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 238000009270 solid waste treatment Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Incineration Of Waste (AREA)
Abstract
The application discloses a fire grate for household garbage incineration and a household garbage incineration device, and belongs to the technical field of solid waste treatment. The fire grate for the household garbage incineration is specifically a fire grate main body for stacking solid fuel and effectively burning the solid fuel, and the fire grate main body comprises: a support part; a PLC control system disposed in the support portion; a plurality of groups of fixed fire grates are arranged on the supporting part; the movable fire grate, the multiunit this movable fire grate sets up between two adjacent groups fixed fire grates, drive division, this drive division is installed in supporting part, drive division and movable fire grate fixed connection, the pin, the equidistant fixed mounting of multiunit this pin is in the tip of a set of fixed fire grate, the cylinder, this cylinder swing joint is in supporting part, the multiunit brush pole is evenly installed in the axis direction of cylinder, auxiliary transmission subassembly, this auxiliary transmission subassembly installs on supporting part, the cylinder is suitable for separating the domestic waste that bonds together through brush pole and pin crisscross cooperation when rotating.
Description
Technical Field
The application relates to the technical field of solid waste treatment, in particular to a fire grate for household garbage incineration and a household garbage incineration device.
Background
The garbage incinerator is a device for burning urban garbage and other wastes at high temperature. The incinerator fire grate is a key component in the incinerator and is mainly responsible for effectively burning garbage and transferring generated heat energy to the furnace wall and the water cooling plate;
the fire grate consists of a fixed fire grate, a movable fire grate and a driving device, wherein the fixed fire grate and the movable fire grate are arranged in a crossing way, the driving device drives the movable fire grate to reciprocate so as to realize the function of conveying household garbage, the fire grate is integrally divided into a drying section, a combustion section and a burning-out section, the household garbage is transported to the drying section of the fire grate and slowly moves to the combustion section under the action of the movable fire grate, and the drying section is used for drying the household garbage so as to prepare for full combustion at the combustion section;
however, household garbage is various in variety, different in humidity, and high in humidity, and household garbage is easy to adhere together, only the household garbage on the upper side surface is dried under the pushing of the movable grate, and the household garbage adhered on the lower side of the movable grate cannot be contacted with drying air, so that the household garbage is not thoroughly dried, and is easy to burn incompletely when reaching a combustion section for combustion, so that the problems of coking, blocking ventilation and the like are solved, and the incineration efficiency is affected, so that the household garbage incineration grate and the incineration device are needed to be provided for solving the problems.
It should be noted that the above information disclosed in this background section is only for understanding the background of the inventive concept and, therefore, it may contain information that does not constitute prior art.
Disclosure of Invention
Based on the problems in the prior art, the technical problems to be solved by the application are as follows: the utility model provides a fire grate for household garbage incineration, which achieves the effect of auxiliary drying.
The technical scheme adopted for solving the technical problems is as follows: a fire grate for incineration of household garbage, in particular to a fire grate main body for stacking solid fuel and effectively burning the solid fuel, the fire grate main body comprises: a support part; a PLC control system provided in the support portion; a plurality of groups of fixed fire grates are arranged on the supporting part; the movable fire grate is arranged between two adjacent groups of fixed fire grates, and the fixed fire grates and the movable fire grates are distributed in a stepped mode in sequence; the driving part is arranged in the supporting part, is in signal connection with the PLC control system, is fixedly connected with the movable fire grate and is used for driving the movable fire grate to perform reciprocating actions of pushing and retracting; the stop bars are fixedly arranged at the end parts of one group of the fixed fire grates at equal intervals and are used for blocking household garbage falling from the end parts of the fixed fire grates; the roller is movably connected in the supporting part, a plurality of groups of brush rods are uniformly arranged in the axial direction of the roller, and the brush rods are arranged between two adjacent groups of stop rods at intervals; the auxiliary transmission assembly is arranged on the supporting part and is suitable for driving the roller to rotate when the movable grate advances; wherein: the roller is suitable for separating the household garbage bonded together through the staggered matching of the brush rod and the stop lever when the roller rotates.
Further, the auxiliary transmission assembly comprises a first connecting piece fixedly arranged on one side of the movable grate, a rack is arranged on the first connecting piece, a driving gear is arranged at one end of the roller, and the rack is in meshed connection with the driving gear.
Further, a gap exists between one end of the brush rod, which is far away from the roller, and one end of the stop lever, which is close to the fixed fire grate.
Further, an adjusting shaft is rotatably connected to the inner side of the roller, the end part of the adjusting shaft is fixedly connected with the driving gear instead of the roller, a contact groove is formed in the axis direction of the adjusting shaft, the two ends of the contact groove are in height difference from the axis of the adjusting shaft, the brush rod is slidably connected with the roller, the sliding direction of the brush rod is perpendicular to the axis of the roller, a pressure spring is arranged between the brush rod and the roller, and one end, close to the adjusting shaft, of the brush rod is suitable for being contacted with the surface of the contact groove under the action of the pressure spring; wherein: the brush rod is suitable for being contacted with one end of the contact groove, which is close to the axis of the adjusting shaft, when the movable grate advances, and is suitable for being contacted with one end of the contact groove, which is far from the axis of the adjusting shaft, when the movable grate retracts, and the other end of the brush rod is in contact with the surface of the fixed grate.
Further, a pressure regulating spring is arranged between the brush rod and one end, close to the axis of the adjusting shaft, of the contact groove, and the pressure regulating spring is used for giving force to one end, close to the axis of the adjusting shaft, of the brush rod, away from the contact groove.
Further, bearing seats are sleeved on the outer sides of the two ends of the roller, the bearing seats are fixedly connected with the supporting parts, magnetic rings are installed on the inner sides of the bearing seats, and magnetic blocks matched with the magnetic rings are installed on the roller.
Further, the end parts of the brush rod and the stop rod are provided with arc chamfers.
Further, the brush bar is evenly provided with three groups in the circumferential direction of the roller.
The application also provides a household garbage incineration device, which comprises the household garbage incineration grate and further comprises a furnace wallboard arranged on the grate main body, wherein a hearth for garbage transportation and combustion is formed by the furnace wallboard and the grate main body, an integrated feed hopper is arranged on the furnace wallboard, and a feed trolley is arranged on one side of the grate main body.
Further, a heat insulation layer is arranged on the furnace wallboard and used for reducing heat in the hearth to radiate outwards, and a secondary combustion chamber is arranged on the furnace wallboard.
The beneficial effects of the application are as follows: according to the fire grate and the incineration device for the household garbage incineration, provided by the application, the brush rod on the roller is matched with the stop lever, so that the household garbage on the drying section on the fire grate is scattered and separated, the drying efficiency is improved, and the incomplete combustion phenomenon caused by the accumulation of garbage with higher humidity is avoided.
In addition to the objects, features and advantages described above, the present application has other objects, features and advantages. The present application will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is an overall schematic view of a fire grate for incineration of household garbage in accordance with the present application;
FIG. 2 is an enlarged schematic view of area A of FIG. 1;
FIG. 3 is a schematic side view of FIG. 2;
FIG. 4 is a schematic side cross-sectional view of region B of FIG. 1;
FIG. 5 is an enlarged schematic view of region C of FIG. 4;
FIG. 6 is an overall schematic view of a household garbage incineration device;
wherein, each reference sign in the figure:
1. a grate body; 2. fixing the fire grate; 3. a moving grate; 4. a stop lever; 5. a roller; 6. a brush bar; 7. a first connecting piece; 8. a second connecting piece; 9. a telescopic cylinder; 10. a rack; 11. a drive gear; 12. an adjusting shaft; 13. a bearing seat; 14. a mating gear; 15. matching with a motor; 16. a telescopic slot; 17. a pressure spring; 18. a contact groove; 19. a pressure regulating spring; 20. a pressure sensor; 21. a slideway; 22. an integrated feed hopper; 23. a feeding trolley; 24. and a secondary combustion chamber.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
The first embodiment, as shown in fig. 1, the application provides a fire grate for incinerating household garbage, specifically a fire grate main body 1 for piling up solid fuel and effectively burning the solid fuel, wherein the fire grate main body 1 mainly comprises a frame, namely a supporting part, a plurality of groups of fixed fire grates 2 are fixedly arranged on the frame, movable fire grates 3 are arranged between two adjacent groups of fixed fire grates 2, the plurality of groups of movable fire grates 3 and the fixed fire grates 2 are sequentially distributed in the frame from left to right in a step shape from top to bottom, the fixed fire grates 2 and the movable fire grates 3 are formed by combining a plurality of groups of fire grate sheets, and the combined fixed fire grates 2 are matched with the width of the movable fire grates 3 and the inner part of the frame;
a PLC control system is fixedly arranged on the frame and used for controlling the actions of all the components in the fire grate main body 1, a driving part is fixedly arranged on the frame and is in signal connection with the PLC control system, the execution end of the driving part is fixedly connected with the movable fire grate 3, and the movable fire grate 3 is controlled to perform reciprocating motion of pushing and retracting through the driving part, so that the movable fire grate 3 performs repeated pushing actions between the fixed fire grates 2;
the driving part can be a cylinder, an electromagnetic valve is arranged in the PLC control system, the cylinder is connected with the electromagnetic valve through an air pipe, the internal electromagnetic valve is controlled to reverse through the PLC control system so as to supply air to the cylinder in the forward and reverse directions, so that the extending and retracting actions of the cylinder shaft are realized, and the pushing actions of the movable grate 3 are realized by fixedly connecting the cylinder shaft with the movable grate 3;
the driving part can also be a crank slide block mechanism driven by a motor, the motor is electrically connected with the PLC control system, the slide block is fixedly connected with the movable fire grate 3, and the PLC control system is used for controlling the motor to be electrified and rotated, so that the pushing action of the movable fire grate 3 is completed under the driving of the slide block;
the whole fire grate main body 1 is divided into three parts of areas from left to right, namely a drying section, a burning section and a burning section, wherein the drying section is used for primarily drying the household garbage so as to ensure the full degree of combustion, the burning section is used for burning the household garbage, and the burning section has the function of fully burning the garbage to realize harmless treatment;
when household garbage is poured into the drying section in the fire grate main body 1 from the left side of the upper end of the fire grate main body 1, the household garbage is continuously moved downwards by the reciprocating movement of the movable fire grate 3, the stepped gradient formed by the movable fire grate 3 and the fixed fire grate 2, finally reaches the burning-out section through the burning section and is discharged, and therefore the whole incineration treatment process of the household garbage is completed.
However, the humidity of the household garbage is different, so that garbage is easily adhered and piled up together due to the fact that the humidity is large, the drying effect in the drying section is poor, combustion is incomplete after reaching the combustion section, coking and ventilation blocking are generated, the incineration efficiency is affected, and in order to improve the drying quality and the drying efficiency of the household garbage in the drying section, the fire grate main body 1 is improved, and the structure is as follows:
as shown in fig. 1-3, a roller 5 is connected to a bearing in a frame, the axial direction of the roller 5 is perpendicular to the advancing direction of garbage on a fire grate, the roller 5 is arranged in a drying section area of a fire grate main body 1, a group of fixed fire grates 2 close to the roller 5 are fixedly provided with a plurality of groups of stop bars 4 at equal intervals, the stop bars 4 and the end parts of the fixed fire grates 2 are obliquely upwards arranged at 45 degrees, the stop bars 4 are used for blocking household garbage falling from the end parts of the fixed fire grates 2, a plurality of groups of brush bars 6 are uniformly arranged in the axial direction of the roller 5, each group of brush bars 6 are arranged between two adjacent groups of stop bars 4, an auxiliary transmission assembly is arranged on the frame, and the auxiliary transmission assembly is suitable for driving the roller 5 to rotate when the movable fire grates 3 are advanced;
the auxiliary transmission assembly comprises a first connecting piece 7 fixedly arranged on one side of the movable grate 3, the movable grate 3 fixedly connected with the first connecting piece 7 is positioned on the upper layer of the fixed grate 2 provided with the stop lever 4, so that the first connecting piece 7 is positioned on the left side of the roller 5, meanwhile, a long waist groove is formed in the frame, the first connecting piece 7 penetrates through the long waist groove and is positioned on the outer side of the frame, and when the movable grate 3 slides back and forth, the first connecting piece 7 moves horizontally along the movable grate 3 in the long waist groove;
meanwhile, a rack 10 is fixedly arranged on the first connecting piece 7, a driving gear 11 is fixedly arranged at one end, close to the first connecting piece 7, of the roller 5, the rack 10 is in meshed connection with the driving gear 11, and the rack 10 is positioned at the lower side of the driving gear 11;
in summary, when the movable grate 3 reciprocates and feeds, the first connecting piece 7 also slides left and right along with the movable grate 3, and when the movable grate 3 advances, the first connecting piece 7 drives the rack 10 to slide right, at this time, the rack 10 and the driving gear 11 mesh and drive, thereby driving the roller 5 to rotate anticlockwise, the brush bar 6 on the roller 5 continuously passes through between two adjacent groups of bars 4 from top to bottom through rotation, and household garbage continuously falls onto the bars 4 from the fixed grate 2 under the pushing of the movable grate 3 and is blocked by the bars 4, and the brush bar 6 continuously combs off garbage on the bars 4 from between the bars 4, thereby separating all garbage passing through the bars 4 and avoiding the garbage with high humidity from accumulating together;
in order to improve the garbage separation efficiency of the brush rod 6, three groups of brush rods 6 are arranged in the circumferential direction of the roller 5, so that one group of brush rods 6 penetrate between two groups of stop rods 4 for garbage separation every one third of rotation of the roller 5, and arc chamfer angles are arranged at the ends of the brush rods 6 and the stop rods 4, so that the influence of garbage catching on the trafficability of garbage is avoided;
in order to ensure the working stability of the brush rod 6 and avoid blocking, a gap exists between one end of the brush rod 6 away from the roller 5 and one end of the stop lever 4 close to the fixed fire grate 2, so that the brush rod 6 can continuously clean garbage accumulated at the stop lever 4 from top to bottom, and a certain compressible space is provided for the garbage, and the blocking of the rotation of the brush rod 6 caused by the garbage accumulation is avoided.
In order to separate the garbage at the gap between the brush bar 6 and the fixed fire grate 2 normally, as shown in fig. 4-5, three groups of contact grooves 18 are formed in the axial direction of the adjusting shaft 12, wherein the two ends of the bottom of the contact groove 18 have a height difference from the axis of the adjusting shaft 12, one end far from the axis of the adjusting shaft 12 is defined as a first end, one end of the contact groove 18 close to the axis of the adjusting shaft 12 is defined as a second end, and the axial distance between the bottom of the contact groove 18 and the adjusting shaft 12 changes linearly from the first end to the second end;
the brush rod 6 is in sliding connection with the roller 5, one end of the brush rod 6, which is close to the axis of the roller 5, passes through the inner wall of the roller 5 and is positioned in the contact groove 18, the sliding direction of the brush rod 6 is vertical to the axis of the roller 5, three groups of telescopic grooves 16 are arranged in the roller 5, the telescopic grooves 16 and the brush rod 6 are positioned on the same axis, a pressure spring 17 is arranged in the telescopic grooves 16, the pressure spring 17 is positioned between the brush rod 6 and the roller 5, and one end of the brush rod 6, which is close to the adjusting shaft 12, is suitable for contacting with the bottom of the contact groove 18 under the action of the pressure spring 17;
in the embodiment, the end part of the adjusting shaft 12 is fixedly connected with the driving gear 11 instead of the roller 5;
when the movable fire grate 3 performs pushing action, the adjusting shaft 12 rotates anticlockwise through the meshing transmission of the rack 10 and the driving gear 11, the end part of the brush rod 6 slides on the surface of the contact groove 18 until the end part of the brush rod 6 contacts with the second end of the contact groove 18, and the adjusting shaft 12 drives the roller 5 to rotate anticlockwise through the brush rod 6 to separate garbage due to the abutting of the side wall of the second end, so that the distance of the brush rod 6 extending out of the roller 5 is shortest, and a gap exists between the brush rod 6 and the fixed fire grate 2 to prevent clamping;
when the movable grate 3 is retracted, the adjusting shaft 12 is driven by the driving gear 11 to rotate clockwise, the end part of the brush rod 6 also slides to a position contacted with the first end of the contact groove 18, at the moment, the other end of the brush rod 6 is contacted with the surface of the fixed grate 2, at the moment, the brush rod 6 extends out of the roller 5 to the longest distance, at the moment, the brush rod 6 passes between two groups of adjacent stop rods 4 from below, and the garbage which is not separated and accumulated on the stop rods 4 is thrown above the garbage at the rear side of the stop rods and plays a certain scattering role, so that the part of garbage can be separated when the movable grate 3 is propelled next time, and the garbage can be separated more stably in a reciprocating manner;
in order to enable the end part of the brush rod 6 to smoothly slide to the two ends of the contact groove 18, as shown in fig. 2-3, bearing seats 13 are sleeved on the outer sides of the two ends of the roller 5, the bearing seats 13 are fixedly connected with the supporting parts, magnetic rings are installed on the inner sides of the bearing seats 13, magnetic blocks matched with the magnetic rings are installed on the roller 5, and the friction force of the rotation of the roller 5 is increased through the magnetic attraction of the magnetic rings and the magnetic blocks, so that the influence on the roller 5 when the adjusting shaft 12 rotates in a reversing manner is reduced, the end part of the brush rod 6 can smoothly slide to the end part of the contact groove 18 from the surface of the contact groove 18, and the roller 5 is driven to rotate.
As shown in fig. 5, in order to enable the brush bar 6 to effectively perform the separation effect in each position in the width direction, a pressure regulating spring 19 is installed between the brush bar 6 and the second end of the contact groove 18, and the pressure regulating spring 19 is used for giving a force to the brush bar 6 away from the second end, so that the brush bar 6 has a certain scalability when performing the separation effect, and the brush bar 6 can automatically adjust the extending length according to the amount of garbage at each position of the brush bar 6 and the reaction force generated by compressing the garbage when the brush bar 6 is pressed down, the more the garbage is, the larger the reaction force generated by compressing the garbage when the brush bar 6 is pressed down, the more the brush bar 6 overcomes the part of the pressure regulating spring 19 which is retracted into the roller 5, so that the brush bar 6 can still perform the length adjustment according to the reaction force given by compressing the garbage under the condition of uneven garbage distribution, and the efficiency of garbage separation is ensured.
In the third embodiment, as shown in fig. 2, in order to prevent the situation that the brush rod 6 is still blocked by the garbage and is blocked when the brush rod is separated, a switching assembly is installed on the first connecting member 7, the switching assembly comprises a telescopic cylinder 9 fixedly installed on the first connecting member 7, the telescopic cylinder 9 is controlled by a PLC control system, a telescopic shaft of the telescopic cylinder 9 replaces the first connecting member 7 to be fixedly connected with the rack 10, the telescopic shaft of the telescopic cylinder 9 is fixedly installed with the second connecting member 8, a long waist groove is formed in the second connecting member 8, a sliding block is slidingly connected in the long waist groove, a slide way 21 is fixedly installed on a frame, a matching motor 15 is slidingly connected on the slide way 21, the matching motor 15 is electrically connected with the PLC control system, the matching motor 15 can slide on the slide way 21 in the vertical direction, a matching gear 14 is fixedly installed at the output end of the matching motor 15, the matching gear 14 is positioned right above the driving gear 11, and the matching gear 14 is connected with a sliding block bearing;
when the first connecting piece 7 drives the telescopic cylinder 9 to slide horizontally along the movable grate 3, the position of the matched gear 14 relative to the driving gear 11 is not changed, when the telescopic cylinder 9 is switched to extend, the matched gear 14 replaces the rack 10 to enter a matched state with the driving gear 11, meanwhile, the matched motor 15 drives the matched gear 14 to rotate anticlockwise, the driving gear 11 is meshed with the matched gear 14 to rotate clockwise, at the moment, the brush rod 6 is driven to extend through the adjusting shaft 12 to lift and break up garbage, and excessive garbage accumulated at the stop lever 4 is treated;
in order to enable the brush rod 6 to automatically lift and break up garbage when the brush rod is stuck, a pressure sensor 20 is arranged between the pressure regulating spring 19 and the end part of the contact groove 18, the pressure sensor 20 is in signal connection with a PLC control system, an overload pressure value is preset in the PLC control system, when the brush rod 6 is stuck with separated garbage, the brush rod 6 can give pressure to the pressure sensor 20 through the pressure regulating spring 19 and enable the pressure sensor to reach the preset overload pressure value, at the moment, the pressure sensor 20 transmits a signal to the PLC control system, a signal for reversing the telescopic cylinder 9 is given through the PLC control system, and meanwhile, a starting signal is given to the telescopic cylinder 9 in cooperation with a motor 15, the telescopic cylinder 9 is reset after the setting timing is finished, the cooperation motor 15 is powered off, and the fire grate main body 1 runs normally, so that the carding action can be automatically carried out when the brush rod 6 is stuck, and the running stability of the device is improved.
In the fourth embodiment, as shown in fig. 6, a household garbage incinerator comprises a fire grate for household garbage incineration in the first embodiment, the second embodiment or the third embodiment, and further comprises a furnace wallboard fixedly installed on a frame of a fire grate main body 1, a hearth for garbage transportation and combustion is formed by combining the furnace wallboard and the fire grate main body 1, a heat insulation layer is installed on the furnace wallboard, the heat insulation layer is a layer of refractory material with the thickness of 80-120 mm, such as light castable, fiber felt and the like, which is added on the inner surface of the hearth, and the heat insulation layer is used for reducing heat in the hearth to radiate outwards, so that heat dissipation loss of the hearth is reduced, and heat efficiency is improved;
an integrated feed hopper 22 is fixedly arranged on the furnace wallboard near the left end of the furnace grate main body 1, the integrated feed hopper 22 is provided with a wide feed inlet, so that materials can be effectively prevented from being blocked at a feed position, a feed trolley 23 is arranged on one side of the furnace grate main body 1 near the integrated feed hopper 22, complex multi-source materials can be efficiently pushed into the furnace grate main body 1 for incineration, the problems that the materials cannot fall smoothly and cannot be fed normally and fire is easy to cause are solved, and the effects that the feed forming material plug is not tempered and hydraulic feeding is smooth are realized;
the fire grate pieces combined into the movable fire grate 3 and the fixed fire grate 2 are installed in a modularized manner, and can be disassembled in a single piece conveniently, so that the effects of convenient transportation and quick installation are achieved;
the secondary combustion chamber 24 is fixedly arranged on the furnace wallboard, and the secondary combustion chamber 24 is used for incinerating smoke formed by combustion in the combustion section of the fire grate main body 1, so that substances such as dioxin in the smoke are effectively discharged in an environment-friendly manner.
Domestic waste burns through the feeding hopper 22 to feeding dolly 23 in the feeding dolly 23 carries fire grate main part 1 with the material, is provided with the ventilation hole on the fire grate main part 1, and the air distribution provides oxygen for burning through the primary air, and the gas that does not burn carries out the secondary combustion in furnace top secondary combustion room 24, and high temperature flue gas keeps high temperature state and with dioxin complete decomposition in secondary combustion room 24, and high temperature flue gas can let in boiler or other devices and carry out heat recovery, burns the lime-ash that produces and discharges through ash conveying slag discharging system.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a household garbage burns and uses grate, specifically is that pile up solid fuel and make fire grate main part (1) of effective burning thereof, its characterized in that: the grate main body (1) comprises:
a support part;
a PLC control system provided in the support portion;
a plurality of groups of fixed fire grates (2) are arranged on the supporting part;
a plurality of groups of movable fire grates (3) are arranged between two adjacent groups of fixed fire grates (2), and the fixed fire grates (2) and the movable fire grates (3) are distributed in a step shape in sequence;
the driving part is arranged in the supporting part, is in signal connection with the PLC control system, is fixedly connected with the movable grate (3) and is used for driving the movable grate (3) to perform reciprocating actions of pushing and retracting;
the stop bars (4) are fixedly arranged at the end parts of one group of the fixed fire grates (2) at equal intervals, and the stop bars (4) are used for blocking household garbage falling from the end parts of the fixed fire grates (2);
the roller (5) is movably connected in the supporting part, a plurality of groups of brush rods (6) are uniformly arranged in the axial direction of the roller (5), and the brush rods (6) are arranged between two adjacent groups of stop rods (4) at intervals;
the auxiliary transmission assembly is arranged on the supporting part and is suitable for driving the roller (5) to rotate when the movable grate (3) advances;
wherein: the roller (5) is suitable for separating the household garbage bonded together through the staggered matching of the brush rod (6) and the stop lever (4) during rotation.
2. The fire grate for incineration of household garbage according to claim 1, characterized in that: the auxiliary transmission assembly comprises a first connecting piece (7) fixedly arranged on one side of the movable grate (3), a rack (10) is arranged on the first connecting piece (7), a driving gear (11) is arranged at one end of the roller (5), and the rack (10) is meshed and connected with the driving gear (11).
3. The fire grate for incineration of household garbage according to claim 2, characterized in that: a gap exists between one end of the brush rod (6) far away from the roller (5) and one end of the stop rod (4) close to the fixed fire grate (2).
4. A fire grate for incineration of household garbage according to claim 3, characterised in that: the inner side of the roller (5) is rotationally connected with an adjusting shaft (12), the end part of the adjusting shaft (12) replaces the roller (5) to be fixedly connected with the driving gear (11), a contact groove (18) is formed in the axis direction of the adjusting shaft (12), the two ends of the contact groove (18) are away from the axis of the adjusting shaft (12) and have a height difference, the brush rod (6) is in sliding connection with the roller (5), the sliding direction of the brush rod (6) is perpendicular to the axis of the roller (5), a pressure spring (17) is arranged between the brush rod (6) and the roller (5), and one end, close to the adjusting shaft (12), of the brush rod (6) is suitable for being in surface contact with the contact groove (18) under the action of the pressure spring (17);
wherein: the brush rod (6) is suitable for being in contact with one end, which is closer to the axis of the adjusting shaft (12), of the contact groove (18) of the brush rod (6) when the movable grate (3) is pushed in, and the brush rod (6) is suitable for being in contact with one end, which is farther to the axis of the adjusting shaft (12), of the contact groove (18) of the brush rod (6) when the movable grate (3) is retracted, and at the moment, the other end of the brush rod (6) is in contact with the surface of the fixed grate (2).
5. The fire grate for incineration of household garbage according to claim 4, wherein: a pressure regulating spring (19) is arranged between the brush rod (6) and one end, which is closer to the axis of the adjusting shaft (12), of the contact groove (18), and the pressure regulating spring (19) is used for giving force to one end, which is closer to the axis of the adjusting shaft (12), of the brush rod (6), which is far away from the contact groove (18).
6. The fire grate for incineration of household garbage according to claim 5, wherein: bearing blocks (13) are sleeved on the outer sides of the two ends of the roller (5), the bearing blocks (13) are fixedly connected with the supporting parts, magnetic rings are arranged on the inner sides of the bearing blocks (13), and magnetic blocks matched with the magnetic rings are arranged on the roller (5).
7. The fire grate for incineration of household garbage according to claim 6, wherein: the end parts of the brush rod (6) and the stop lever (4) are respectively provided with an arc chamfer.
8. The fire grate for incineration of household garbage according to claim 7, wherein: the brush bar (6) is uniformly provided with three groups in the circumferential direction of the roller (5).
9. A domestic waste burns device, its characterized in that: the fire grate for the household garbage incineration comprises the fire grate as claimed in any one of claims 1 to 8, and further comprises a furnace wallboard arranged on the fire grate main body (1), wherein a hearth for garbage transportation and combustion is formed by the furnace wallboard and the fire grate main body (1), an integrated feed hopper (22) is arranged on the furnace wallboard, and a feeding trolley (23) is arranged on one side of the fire grate main body (1).
10. A household garbage incineration device according to claim 9, characterised in that: and the furnace wallboard is provided with a heat insulation layer, the heat insulation layer is used for reducing heat in the hearth from radiating outwards, and the furnace wallboard is provided with a secondary combustion chamber (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311462464.XA CN117212798B (en) | 2023-11-06 | 2023-11-06 | Fire grate for household garbage incineration and household garbage incineration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311462464.XA CN117212798B (en) | 2023-11-06 | 2023-11-06 | Fire grate for household garbage incineration and household garbage incineration device |
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| CN117212798A true CN117212798A (en) | 2023-12-12 |
| CN117212798B CN117212798B (en) | 2024-01-19 |
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|---|---|
| CN117212798B (en) | 2024-01-19 |
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