CN211575117U

CN211575117U - Multi-box type composite rubbing grate group system

Info

Publication number: CN211575117U
Application number: CN201922260106.6U
Authority: CN
Inventors: 林顺洪; 邓渝川; 尹华川; 郭大江; 柏继松; 杨鲁; 杨宇; 王江林
Original assignee: Chongqing University of Science and Technology
Current assignee: Chongqing University of Science and Technology
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-09-25
Anticipated expiration: 2029-12-13

Abstract

The utility model belongs to the technical field of refuse handling installation, a multi-box compound rubbing grate group system is provided, including fire grate group and actuating mechanism, fire grate group is including a plurality of multiple-edge compound fixed fire grate pieces and a plurality of multiple-edge multiple tooth compound movable fire grate pieces, and is a plurality of the multiple-edge compound fixed fire grate pieces and a plurality of the multiple-edge multiple tooth compound movable fire grate pieces set gradually in turn, multiple-edge multiple tooth compound movable fire grate pieces with multiple-edge compound fixed fire grate piece sliding connection, actuating mechanism drives under power device's drive multiple-edge multiple tooth compound movable fire grate pieces are reciprocal linear motion and a plurality of the movement track of multiple-edge multiple tooth compound movable fire grate pieces is wavy. The utility model provides a multi-box compound rubbing grate group system is better to the effect and the air permeability of rolling, mixing, stirring, loosening and the cutting of rubbish.

Description

Multi-box type composite rubbing grate group system

Technical Field

The utility model belongs to the technical field of refuse handling installation, concretely relates to multi-box compound moving grate group system.

Background

The important part of the waste incinerator is a grate system, and the most basic unit forming the grate system is a grate segment, and the difference of the grate segment directly influences the structure and the performance of the grate system. The incinerator grate system is responsible for conveying garbage in the incinerator, and meanwhile, the mixing degree and the disturbance degree of the garbage and air are improved, and the incineration efficiency is improved.

The existing common fire grate system is a forward-push type reciprocating fire grate system and a backward-push type reciprocating fire grate system, a plurality of incineration sections are obliquely arranged, and the step type arrangement is adopted, so that garbage can be pushed forwards on the fire grate by means of self weight and reciprocating motion of a fire grate unit to complete a combustion process, and the garbage can roll in the falling process of different incineration sections, so that burnt components and insufficiently burnt components are mixed. But when needs promote the msw incineration volume, need increase the thickness of piling up of rubbish, can have rubbish this moment for the complete combustion, can only provide more required hot air of burning, slow down the speed of marcing of grate simultaneously, but this also reduces combustion efficiency to a certain extent, can't solve the problem that combustion efficiency is not high effectively.

The utility model discloses a utility model patent of grant publication No. CN206320763U discloses a grate drive arrangement and burns burning furnace, and this burning furnace has adopted a brand-new grate system, and its grate unit is reciprocating motion from top to bottom under drive arrangement's drive, and the motion trail of the grate unit of interval in proper order is finally wavy. The incinerator realizes the uniform distribution of the area and the thickness of the fire grate, and can roll and mix the burnt garbage and the unburned garbage up and down in time in the propelling process, thereby further improving the preheating and drying effects of the unburned garbage, providing good conditions for complete combustion, not specially increasing the supply of hot air required by combustion, not reducing the traveling speed of the fire grate and further improving the combustion efficiency.

However, the grate unit of the incinerator has only good effects of rolling and mixing the garbage and no cutting effect on the garbage, so that the incinerator has relatively low garbage treatment efficiency.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing a multi-box compound rubbing grate group system to improve the effect that ventilation nature and system of rubbish in advancing the process are to rolling, mixing, stirring, loose and cutting of rubbish, and then improve refuse treatment efficiency, and be unlikely to the speed of marcing that slows down the grate.

In order to achieve the above object, the present invention provides a multi-box type composite rubbing furnace grate set system, comprising:

a fire grate group, which comprises a plurality of multi-blade composite fixed fire grate sheets and a plurality of multi-blade multi-tooth composite movable fire grate sheets,

the multi-blade composite fixed fire grate segment comprises a first box body, a first feeding sliding plate, a first side baffle, a lateral shifting blade, a first main crushing blade and a first auxiliary crushing blade, wherein the first box body is provided with a hollow first inner cavity, one end of the first box body is provided with an opening, the other end of the first box body is provided with a first air supply hole and a first drainage hole, an air outlet of the first air supply hole is communicated with the first inner cavity, an air inlet of the first air supply hole is communicated with an air supply system, a water inlet of the first drainage hole is communicated with the first inner cavity, and a water outlet of the first drainage hole is communicated with a drainage system,

the first feeding sliding plate is obliquely arranged at the opening of the first box body, the included angle between the first feeding sliding plate and the panel of the first box body, which is provided with the first air supply hole, is a, the first feeding sliding plate is provided with a first through hole, a first cutting edge and a second through hole, the first through hole is communicated with the first inner cavity, the first cutting edge is positioned at the highest position of the first feeding sliding plate, the second through hole is positioned at the lowest position of the feeding sliding plate and is communicated with the first inner cavity, and the second through hole extends from one side of the first feeding sliding plate to the other side,

the first side baffle is positioned at two sides of the first feeding sliding plate, one end of the first side baffle is connected with the first feeding sliding plate and/or the first box body,

the lateral material shifting blade is arranged on the inner side of the first side baffle, the included angle between the lateral material shifting blade and the first feeding sliding plate is b,

the first main crushing blade and the first auxiliary crushing blade are alternately arranged on the first feeding sliding plate in sequence, and the first auxiliary crushing blade is close to the lateral shifting blade,

the multi-blade multi-tooth composite movable grate segment comprises a second box body, a second feeding sliding plate, a second side baffle, a lateral pressing blade, a second main crushing blade and a second auxiliary crushing blade,

the second box body is provided with a hollow second inner cavity, one end of the second box body is opened, and the other end of the second box body is provided with a second air supply hole and a second drain hole;

the second feeding sliding plate is obliquely arranged at the opening of the second box body, the included angle between the second feeding sliding plate and the panel of the second box body, which is provided with the second air supply hole, is c, a third through hole, a second cutting edge and a fourth through hole are arranged on the second feeding sliding plate, the third through hole is communicated with the second inner cavity, the second cutting edge is positioned at the highest position of the second feeding sliding plate, the fourth through hole is positioned at the lowest position of the second feeding sliding plate and is communicated with the second inner cavity, and the fourth through hole extends from one side of the second feeding sliding plate to the other side,

the second side baffle is positioned at two sides of the second feeding sliding plate, one end of the second side baffle is connected with the second feeding sliding plate and/or the second box body,

the lateral pressing blade is arranged on the inner side of the second side baffle, the included angle between the lateral pressing blade and the second feeding sliding plate is d,

the second main crushing blade and the second auxiliary crushing blade are alternately arranged on the feeding sliding plate in sequence, and the second auxiliary crushing blade is close to the lateral pressing blade,

the multiple multi-edge multi-tooth composite movable fire grate sheets are slidably connected with the multi-edge composite fixed fire grate sheets; and

the driving mechanism drives the multi-blade multi-tooth composite movable grate segment to do reciprocating linear motion under the driving of the power device, and the motion trail of the multi-blade multi-tooth composite movable grate segment is wavy.

Furthermore, the driving mechanism comprises a crankshaft and a plurality of connecting rods, a plurality of connecting rod shafts are arranged on the crankshaft, two adjacent connecting rod shafts deviate from a preset angle around the rotating center of the crankshaft, the power input end of the crankshaft is connected with the power device, one end of each connecting rod is hinged to the multi-blade multi-tooth composite movable grate segment, and the other end of each connecting rod is hinged to the corresponding connecting rod shaft.

Furthermore, the first through hole, the second through hole, the third through hole and the fourth through hole are all reduced from the air inlets to the air outlets of the first through hole, the second through hole, the third through hole and the fourth through hole.

Further, the lateral material shifting blade comprises a first main cutting blade and a first auxiliary cutting blade, the included angles between the first main cutting blade and the first auxiliary cutting blade and the first side baffle are respectively e and f, the included angle e is 25-40 degrees, the included angle f is equal to 50-65 degrees, the lateral material pressing blade comprises a second main cutting blade and a second auxiliary cutting blade, the included angles between the second main cutting blade and the second auxiliary cutting blade and the second side baffle are respectively g and h, the included angle g is 25-40 degrees, the included angle h is equal to 50-65 degrees, the included angles of the cutting edges of the first main cutting blade, the first auxiliary cutting blade, the second main cutting blade and the second auxiliary cutting blade are i, and the included angle i is 30-60 degrees.

Further, an included angle between the cutting edges of the first main crushing edge and the first auxiliary crushing edge and the first feeding sliding plate is j, the included angle j is 12-20 degrees, an included angle between the cutting edges of the second main crushing edge and the second auxiliary crushing edge and the second feeding sliding plate is k, the included angle k is 12-20 degrees, the included angles of the cutting edges of the first main crushing edge, the first auxiliary crushing edge, the second main crushing edge and the second auxiliary crushing edge are l, and the included angle l is 45-60 degrees.

Further, the peripheries of the first box body and the second box body are embedded with wear-resistant metal or coated with wear-resistant coatings.

Furthermore, a first air gathering plate and a second air gathering plate are arranged in the first inner cavity and the second inner cavity respectively, the first air gathering plate is connected with the first feeding sliding plate, the first air gathering plate is obliquely arranged from the first air supply hole to the second through hole, the second air gathering plate is connected with the second feeding sliding plate, and the second air gathering plate is obliquely arranged from the second air supply hole to the fourth through hole.

Further, a first sawtooth structure is arranged on the second main cutting edge, a second sawtooth structure and a third sawtooth structure are arranged on the second main crushing edge, the second sawtooth structure is located at one end, far away from the second air supply hole, of the second main crushing edge, and the third sawtooth structure is located at one end, close to the second air supply hole, of the second main crushing edge.

The utility model has the advantages that:

1. the utility model provides a pair of multi-box compound rubbing grate group system uses through the cooperation of the compound fixed grate piece of multiple-blade and the multiple tooth compound movable grate piece of multiple-blade to make the compound fixed grate piece of multiple-blade when the operation, the difference in height that forms between compound fixed grate piece of multiple-blade and the multiple tooth compound movable grate piece of multiple-blade, with the effect of rolling, mixing, breaing up that improves rubbish, and then improve refuse treatment efficiency.

2. Through set up side direction group material sword, first main broken sword and first pair broken sword on compound fixed grate piece of multiple-edge, the side direction is pressed material sword, the main broken sword of second and the vice broken sword of second on the compound movable grate piece of multiple-edge multiple tooth to improve the cutting effect and the stirring effect to rubbish, and then improve refuse treatment efficiency.

4. Through the cooperation respectively of the first main crushing blade and the first auxiliary crushing blade on the compound fixed fire grate segment of multiple-blade and the vice crushing blade and the main crushing blade of second on the compound movable fire grate segment of multiple-blade and multiple teeth to make the material present S type motion on compound fixed fire grate segment of multiple-blade and multiple teeth compound movable fire grate segment of multiple-blade, further promote stirring, the effect of breakage and scattering of material.

3. Through the cooperation respectively of the first main crushing blade and the first auxiliary crushing blade on the compound fixed fire grate segment of multiple-blade and the vice crushing blade and the main crushing blade of second on the compound movable fire grate segment of multiple-blade and multiple teeth to make the material present S type motion on compound fixed fire grate segment of multiple-blade and multiple teeth compound movable fire grate segment of multiple-blade, further promote stirring, the effect of breakage and scattering of material.

4. The air distribution holes are formed in the multi-blade composite fixed grate segment and the multi-blade multi-tooth composite movable grate segment, so that the ventilation of garbage is improved, and the garbage treatment efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a front view of a multi-box type compound rubbing furnace grate system according to an embodiment of the present invention;

FIG. 2 is a left side view of a multi-box compound grater system shown in FIG. 1;

FIG. 3 is a top view of a multi-box compound grater system as shown in FIG. 1;

FIG. 4 is a cross-sectional view of a multi-box compound grater system as shown in FIG. 1;

FIG. 5 is a perspective view of a multi-edge compound fixed fire grate segment of the multi-box compound grater system shown in FIG. 1;

FIG. 6 is a front view of the multi-edge composite fixed fire grate segment shown in FIG. 5;

FIG. 7 is a top view of the multi-edge composite fixed grate segment shown in FIG. 5;

FIG. 8 is a sectional view of the multi-blade composite fixed fire grate segment shown in FIG. 6 taken along the direction A-A;

FIG. 9 is a cross-sectional view at B of the multi-edge composite fixed fire grate segment shown in FIG. 6;

FIG. 10 is a cross-sectional view at C of the multi-edge composite fixed grate segment shown in FIG. 6;

FIG. 11 is a perspective view of a multi-blade multi-tooth composite movable grate segment of the multi-box composite rubbing grate system shown in FIG. 1;

FIG. 12 is a front view of the multi-edged multi-tooth composite movable fire grate segment shown in FIG. 11;

FIG. 13 is a top view of the multi-edged multi-tooth composite movable fire grate segment shown in FIG. 12;

FIG. 14 is a sectional view in the direction D-D of the throw-away multi-tooth composite movable fire grate segment shown in FIG. 12;

FIG. 15 is a cross-sectional view at E of the multi-edged multi-tooth composite movable fire grate segment shown in FIG. 12;

FIG. 16 is a cross-sectional view at F of the multi-edged multi-tooth composite movable fire grate segment shown in FIG. 12;

fig. 17 is a cross-sectional view of the first major cutting edge and the first minor cutting edge on the multi-edge compound fixed fire grate segment shown in fig. 5, 6 and 7 and the second major cutting edge and the second minor cutting edge of the multi-edge multi-tooth compound movable fire grate segment shown in fig. 11, 12 and 13;

fig. 18 is a sectional view of the first main crushing edge and the first sub crushing edge on the multi-edge compound fixed grate segment shown in fig. 5, 6 and 7 and the second main crushing edge and the second sub crushing edge of the multi-edge multi-tooth compound movable grate segment shown in fig. 11, 12 and 13.

Reference numerals:

1-fire grate group, 11-multi-blade composite fixed fire grate segment, 111-first box body, 1111-first inner cavity, 1112-first air supply hole, 1113-first water discharge hole, 112-first feeding sliding plate, 1121-first through hole, 1122-first cutting blade, 1123 second through hole, 113-first side baffle, 114-lateral material stirring blade, 1141-first main cutting blade, 1142-first auxiliary cutting blade, 115-first main crushing blade-116-first auxiliary crushing blade, 117-first wind gathering plate, 12-multi-blade multi-tooth composite movable fire grate segment, 121-second box body, 1211-second inner cavity, 1212-second air supply hole, 1213-second water discharge hole, 122-second feeding sliding plate, 1221-third through hole, 1222-second cutting blade, 1223-fourth through hole, 123-second side baffle, 124-lateral pressing edge, 1241-second main cutting edge, 12411-first sawtooth structure, 1242-second auxiliary cutting edge, 125-second main crushing edge, 1251-second sawtooth structure, 1252-third sawtooth structure, 126-second auxiliary crushing edge, 127-second wind gathering plate, 2-driving mechanism, 21-crankshaft, 22-connecting rod, 31-wear-resistant metal and 32-wear-resistant coating.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1-18, the utility model provides a multi-box type composite rubbing grate group system, which comprises a grate group 1 and a driving mechanism 2.

The fire grate group 1 comprises a plurality of multi-edge composite fixed fire grate sheets 11 and a plurality of multi-edge multi-tooth composite movable fire grate sheets 12.

The multi-blade composite fixed grate segment comprises a first box body 111, a first feeding sliding plate 112, a first side baffle 113, a lateral shifting blade 114, a first main crushing blade 115 and a first auxiliary crushing blade 116.

The first box 111 has a hollow first inner cavity 1111, and one end of the first box 111 is opened and the other end is opened with a first air supply hole 1112 and a first drain hole 1113. An air outlet of the first air supply hole 1112 is communicated with the first inner cavity 1111, an air inlet is communicated with an air supply system (not shown in the figure), and the first air supply hole 1112 is used for supplying air into the first box 111. The water inlet of the first drainage hole 1113 is communicated with the first inner cavity 1111, and the water outlet is communicated with a drainage system (not shown in the figure). The water flowing into the first tank 111 enters the drainage system through the first drainage hole 1113 and is drained. In addition, the water inlet of the first drain hole 1113 is provided with a filtering device (not shown in the attached drawings) for filtering water generated in the reaction process of the garbage and other materials.

The first feeding sliding plate 112 is obliquely arranged at the opening of the first box 111 and covers the whole opening, an included angle a between the first feeding sliding plate 112 and the panel of the first box 111 provided with the first air supply holes 1112 is 30-60 degrees when the panel of the first box 111 provided with the first air supply holes 1112 is horizontally arranged, so that garbage can fall on the first feeding sliding plate 112 by the aid of gravity of the garbage, and the garbage can be conveyed from one end of the first feeding sliding plate 112 to the other end of the first feeding sliding plate 112. Preferably, the included angle a is 45 degrees, so that the garbage on the first feeding sliding plate 112 is not conveyed too fast due to too large inclined angle, and is not conveyed too slow due to too small inclined angle.

The first feeding slide plate 112 is provided with a first through hole 1121, a first cutting edge 1122 and a second through hole 1123.

The first through hole 1121 is communicated with the inner cavity, and the first through hole 1121 is used for supplying air to the garbage on the first feeding sliding plate 112 so as to ensure the ventilation of the garbage and enhance the reaction efficiency. Meanwhile, water in the garbage may flow into the first case 111 through the first through hole 1121 and then be discharged.

The first cutting edge 1122 is located at an end of the first feed slide 112 away from the first air supply hole 1112, i.e., a highest position of the first feed slide 112. The first cutting edge 1122 serves to cut the waste passing over its cutting edge to facilitate a thorough reaction of the waste.

The second through hole 1123 is located at one end of the first feeding sliding plate 112 close to the air supply hole and is communicated with the inner cavity, i.e. located at the lowest position of the first feeding sliding plate 112. The wind from the first wind supply hole 1112 forms a protective wind layer at the joint between the garbage and the multi-blade fixed grate segment 11 and the multi-blade multi-tooth movable grate segment 12 through the second through hole 1123, so that the garbage is prevented from sliding into the joint between the grate segments, and the sealing effect is not affected. The second through holes 1123 are strip-shaped holes extending from one side of the first feeding sliding plate 112 to the other side and almost penetrating through the material self-sliding working surface of the first feeding sliding plate 112, so that a protective air layer can be formed at the whole joint to prevent garbage from sliding into the joint between the grate segments to the maximum. In addition, water in the garbage may also flow into the first container 111 from the second through hole 1123 and then be discharged.

The first side baffle 113 is used for preventing materials from sliding into the sealed gaps at two sides, and is located at two sides of the first feeding sliding plate 112, one end of the first side baffle 113 is connected with the first feeding sliding plate 112 and/or the first box 111, and the joint of the first side baffle 113 and the first feeding sliding plate 112 and/or the first box 111 is sealed, that is, garbage cannot pass through the gap at the joint.

The lateral material shifting blade 114 is used for prying, loosening and cutting materials, is arranged on the first side baffle 113, and has an included angle b with the first feeding sliding plate 112, and the included angle b is 15-30 degrees, so that when garbage passes through the first feeding sliding plate 112, the garbage moves far away from the feeding sliding plate, namely the garbage is pried and loosened. Preferably, the included angle b is equal to 20 ° so as to ensure the passage of the waste while the waste is treated.

The first main crushing edge 115 and the first sub crushing edge 116 are used for cutting the garbage passing on the feed sliding plate, and the height of the first main crushing edge 115 is larger than that of the first sub crushing edge 116. The height is matched to facilitate better cutting. The first main crushing blades 115 and the first sub crushing blades 116 are alternately arranged on the first feed sliding plate 112 in turn, and this structure is advantageous for cutting the garbage. And a first secondary crushing blade 116 is arranged close to the lateral material-ejecting blade 114, which is beneficial to the lateral material-ejecting blade 114 to eject the garbage.

The multi-edge multi-tooth composite movable grate segment comprises a second box body 121, a second feeding sliding plate 122, a second side baffle 123, a lateral pressing blade 124, a second main crushing blade 125 and a second auxiliary crushing blade 126.

The second casing 121 has a hollow second inner cavity 1211, and one end of the second casing 121 is open and the other end is provided with a second air supply hole 1212 and a second water discharge hole 1213.

The air outlet of the second air supply hole 1212 is communicated with the second inner cavity 1211, the air inlet is communicated with the air supply system, and the second air supply hole 1212 is used for supplying air into the second box 121. The wind from the wind supply system enters the second inner chamber 1211 through the second wind supply hole 1212.

The water inlet of the second drain hole 1213 is communicated with the second inner cavity 1211, and the water outlet is communicated with the drainage system. The water flowing into the second box body enters the drainage system through the second drainage hole to be drained. In addition, the water inlet of the second drain hole 1213 is provided with a filtering device (not shown in the drawings) for filtering moisture generated during the reaction of the garbage and other materials.

The second feeding sliding plate 122 is obliquely arranged at the opening of the second box 121 and covers the whole opening, an included angle a between the second feeding sliding plate and the panel of the second box 121, which is provided with the second air supply hole 1212, is 30-60 degrees when the panel of the second box 121, which is provided with the second air supply hole 1212, is arranged, so that garbage can fall on the second feeding sliding plate 122 by the aid of gravity of the garbage, and the purpose of conveying the garbage from one end of the second feeding sliding plate 122 to the other end is achieved. Preferably, the included angle c is 45 degrees, so that the garbage on the second feeding sliding plate 122 is not conveyed too fast due to too large inclined angle, and is not conveyed too slow due to too small inclined angle.

The second feed slide 122 is provided with a third through hole 1221, a second cutting edge 1222 and a fourth through hole 1223.

The third through hole 1221 is communicated with the second inner cavity 1211, and the third through hole 1221 is used for supplying air to the garbage on the second feeding sliding plate 122, so that the ventilation of the garbage is ensured, and the reaction efficiency is enhanced. Meanwhile, water in the garbage may flow into the second tank 121 from the third through hole 1221 and then be discharged.

The second cutting edge 1222 is located at an end of the second feed sliding plate 122 far from the second air supply hole 1212, i.e. at the highest position of the second feed sliding plate 122, and the second cutting edge 1222 is used for cutting the garbage passing through the cutting edge thereof, so as to facilitate the complete reaction of the garbage.

The fourth through hole 1223 is located at an end of the second feeding sliding plate 122 close to the air supply hole and communicates with the second inner cavity 1211, i.e., is located at the lowest position of the second feeding sliding plate 122. The wind from the second wind supply hole 1212 forms a protective wind layer at the joint between the garbage and the multi-blade composite fixed fire grate segment 11 and the multi-blade multi-tooth composite movable fire grate segment 12 through the fourth through hole 1223, so that the garbage is prevented from sliding into the joint between the fire grate segments, and the sealing effect is affected. In addition, the slag falling prevention holes extending from one side of the second feeding sliding plate 122 to the other side are strip-shaped holes and almost penetrate through the whole material autonomous sliding working surface of the second feeding sliding plate 122, so that a protective wind layer can be formed at the whole joint to prevent garbage from sliding into the joint between the grate segments to the maximum extent. Meanwhile, water in the garbage may also enter the second case 121 through the fourth through hole 1223 and then be discharged.

The second side baffle 123 is used for preventing the material from sliding into the sealed gaps at two sides, and is located at two sides of the second feeding sliding plate 122, one end of the second side baffle 123 is connected with the second feeding sliding plate 122 and/or the second box 121, and the joint of the second side baffle 123 and the second feeding sliding plate 122 and/or the second box 121 is sealed, that is, the garbage cannot pass through the gap at the joint.

The lateral pressing blade 124 is used for prying, loosening and cutting materials, is arranged on the second lateral baffle 123, and has an included angle d with the second feeding sliding plate 122, and the included angle d is 8-15 degrees, so that when garbage passes through the second feeding sliding plate 122, the garbage moves far away from the feeding sliding plate, namely, the garbage is pried and loosened. Preferably, the included angle d is equal to 10 ° so as to ensure the passage of the waste while the waste is treated.

The second main crushing edge 125 and the second sub crushing edge 126 are used to cut the garbage passing on the second feed slide 122, and the height of the second main crushing edge 125 is greater than that of the second sub crushing edge 126. The height is matched to facilitate better cutting. The second main crushing blades 125 and the second sub-crushing blades 126 are alternately arranged on the second feed slide 122 in turn, which is advantageous for cutting the garbage. And a second pair of crushing blades 126 is arranged near the lateral material-shifting blade 114, which is beneficial to the lateral material-shifting blade 114 to shift the garbage.

A plurality of multi-edge composite fixed fire grate pieces 11 and a plurality of multi-edge multi-tooth composite movable fire grate pieces 12 are arranged at intervals in sequence, the multi-edge composite fixed fire grate pieces 11 and the multi-edge multi-tooth composite movable fire grate pieces 12 are matched for use, when the multi-edge multi-tooth composite movable fire grate pieces 12 move, height difference can be generated between the multi-edge composite fixed fire grate pieces 11 and the multi-edge multi-tooth composite movable fire grate pieces 12, therefore, when the conveying of garbage is realized, the garbage can be rolled between the multi-edge composite fixed fire grate pieces 11 and the multi-edge multi-tooth composite movable fire grate pieces 12, stirring and mixing are achieved, and the sufficient reaction of the garbage is facilitated. The multi-edge multi-tooth composite movable fire grate segment is connected with the multi-edge composite fixed fire grate segment in a sliding way. Preferably, the fire grate segments at two ends of the fire grate group 1 are multi-edge composite fixed fire grate segments 11, and the structure is convenient for entering and exiting garbage.

In addition, the lateral material stirring blade 114 on the multi-blade composite fixed fire grate segment 11 is matched with the lateral material pressing blade 124 on the multi-blade multi-tooth composite movable fire grate segment 12, so that the garbage is fastened and loosened, the reaction is promoted, and the reaction efficiency is improved. And the first main crushing blade 115 on the multi-blade composite fixed fire grate segment 11 is matched with the second auxiliary crushing blade 126 on the multi-blade multi-tooth composite movable fire grate segment 12, the first auxiliary crushing blade 116 on the multi-blade composite fixed fire grate segment 11 is matched with the second main crushing blade 125 on the multi-blade multi-tooth composite movable fire grate segment 12, the first main crushing blade 115 on the multi-blade composite fixed fire grate segment 11 is matched with the second auxiliary crushing blade 126 on the multi-blade multi-tooth composite movable fire grate segment 12, namely, the main crushing blade of the previous fire grate segment corresponds to the auxiliary crushing blade on the next fire grate segment, and the auxiliary crushing blade of the previous fire grate segment corresponds to the main crushing blade on the next fire grate segment, so that the garbage is temporarily high and temporarily low on the way of pushing, thereby improving the cutting effect. Meanwhile, the S-curve performance of the material transportation route is enhanced, and the stirring, crushing and scattering effects of the materials are promoted.

The driving mechanism 2 drives the multi-blade multi-tooth composite movable fire grate segment 12 to do reciprocating linear motion under the driving of the power device, and the motion trail of the multi-blade multi-tooth composite movable fire grate segment 12 is wavy. Preferably, the wave-shaped motion trail is the upper wave division of a sine wave or a positive sine wave, and the motion mode of the structure is helpful for propelling the garbage.

In one embodiment, the driving mechanism 2 comprises a crankshaft 21 and a plurality of connecting rods 22, the crankshaft 21 is provided with a plurality of connecting rod 22 shafts, two adjacent connecting rod 22 shafts deviate from the rotation center of the crankshaft 21 by a preset angle, the power input end of the crankshaft 21 is connected with a power device, one end of each connecting rod 22 is hinged with the multi-blade multi-tooth composite movable grate segment 12, and the other end of each connecting rod 22 is hinged with the connecting rod 22 shaft. The connecting rod 22 shaft, the connecting rod 22 and the multi-edge multi-tooth composite movable fire grate segment 12 are equal in number and correspond to each other one by one. The power device drives the crankshaft 21 to rotate, and the crankshaft 21 drives the multi-blade multi-tooth composite movable fire grate segment 12 to do reciprocating linear motion through the connecting rod 22. At this time, the wavy motion trajectory of the multiple multi-blade multi-tooth composite movable grate segments 12 is a positive sine wave. The driving mechanism 2 with the structure has simple structure and reliable transmission.

In one embodiment, the first through hole 1121, the second through hole 1123, the third through hole 1221 and the fourth through hole 1223 are all decreased from the air inlet to the air outlet thereof, and the size of the air outlet of the first through hole 1121 and the third through hole 1123 is decreased, so that the pressure of the air flow at the air outlet of the first through hole 1121 and the third through hole 1123 is increased, and ash is prevented from falling from the first through hole 1121 and the third through hole 1123. The sizes of the air outlets of the second through hole 1123 and the fourth through hole 1223 are reduced, so that the air flow pressure of the air outlets of the second through hole 1123 and the fourth through hole 1223 is increased, and the materials are better prevented from sliding downwards into the contact gap.

In one embodiment, the lateral raking edge 114 comprises a first major cutting edge 1141 and a first minor cutting edge 1142, the included angles e and f of the first major cutting edge 1141 and the first minor cutting edge 1142 with the first side guard 113 are respectively 25 ° to 40 °, and the included angle f is 50 ° to 65 °. By controlling the included angles e and f, the first main cutting edge 1141 and the first auxiliary cutting edge 1142 are ensured to cut the garbage, and the flowability of the garbage is not affected. Preferably, the angle e is equal to 30 ° and the angle f is equal to 60 ° in order to optimize the cutting and flow effect of the lateral stripping blades 114 on the waste.

The lateral swaging edge 124 comprises a second main cutting edge 1241 and a second auxiliary cutting edge 1242, the included angles of the second main cutting edge 1241 and the second auxiliary cutting edge 1242 with the second side baffle 123 are g and h, respectively, the included angle g is 25-40 degrees, and the included angle h is 50-65 degrees. By controlling the included angles g and h, the second main cutting edge 1141 and the second auxiliary cutting edge 1142 are ensured to cut the garbage, and the flowability of the garbage is not affected. Preferably, the angle g is equal to 30 ° and the angle h is equal to 60 ° in order to optimize the cutting and flow effect of the lateral pressing edge 114 on the waste.

The cutting edge included angles of the first main cutting edge 1141, the first auxiliary cutting edge 1142, the second main cutting edge 1241 and the second main cutting edge 1242 are all i, and the included angle i is 30-60 degrees. By controlling the included angle i, the sharpness and wear resistance of the first major cutting edge 1141, the first minor cutting edge 1142, the second major cutting edge 1241 and the second major cutting edge 1242 are ensured.

In one embodiment, the cutting edges of the first main crushing edge 115 and the first sub crushing edge 116 form an angle j with the first feed slide 112, and the angle j is 12 ° to 20 °. The included angle j is controlled to ensure the cutting effect and the flowability of the garbage by the first main crushing edge 115 and the first auxiliary crushing edge 116. Preferably, the included angle j is equal to 15 degrees, so that the flowability of the garbage is ensured while the cutting angle is ensured.

The included angle between the cutting edges of the second main crushing edge 125 and the second auxiliary crushing edge 126 and the second feeding sliding plate 122 is k, and the included angle k is 12-20 degrees. The included angle k is controlled to ensure the cutting effect and the flowability of the garbage by the second main crushing edge 125 and the second auxiliary crushing edge 126. Preferably, the included angle k is equal to 15 degrees, so that the fluidity of the garbage is ensured while the cutting angle is ensured.

The included angles of the cutting edges of the first main crushing edge 115, the first auxiliary crushing edge 116, the second main crushing edge 125 and the second auxiliary crushing edge 126 are all l, and the included angle l is 45-60 degrees. The included angle/is controlled to ensure sharpness and wear resistance of the first main crushing edge 115, the first sub-crushing edge 116, the second main crushing edge 125 and the second sub-crushing edge 126.

In one embodiment, the peripheries of the first case 111 and the second case 121 are embedded with wear-resistant metal 31 or coated with a wear-resistant coating 32. The wear-resistant metal 31 or the wear-resistant coating 32 is used for improving the wear resistance of the fire grate segment, and further improving the service life.

In one embodiment, a first wind-collecting plate 117 and a second wind-collecting plate 127 are respectively disposed in the first inner cavity 1111 and the second inner cavity 1211, the first wind-collecting plate 117 is connected to the first feeding sliding plate 112, and the first wind-collecting plate 117 is disposed to be inclined from the first wind-supplying hole 1112 to the second through-hole 1123. The second air collecting plate 127 is connected to the second feeding slide plate 122, and the second air collecting plate 127 is disposed to be inclined from the second air supply hole 1212 to the fourth through hole 1223. The wind passing through the first wind collecting plate 127 is collected toward the second through hole 1123 along the first wind collecting plate 127 by the first wind collecting plate 127, so as to increase the wind speed at the second through hole 1123. The wind passing through the second wind collecting plate 127 is collected to the fourth through-hole 1223 along the second wind collecting plate 127 by the second wind collecting plate 127, so as to increase the wind speed at the fourth through-hole 1223. With the structure, the first wind gathering plate 117 and the second wind gathering plate 127 play roles in gathering wind and guiding, so that the ventilation airflows of the second through hole 1123 and the fourth through hole 1223 are effectively increased, and the possibility of sliding of material powder to a sealing gap is reduced.

In one embodiment, the second main cutting edge 1241 is provided with a first serrated structure 12411, the second main crushing edge 125 is provided with a second serrated structure 1251 and a third serrated structure 1252, the second serrated structure 1251 is located at an upper end of the second main crushing edge 125, and the third serrated structure 1252 is located at a lower end of the second main crushing edge 125. This structure serves to increase the cutting effect of the second major cutting edge 1241 and the second major crushing edge 125.

The working principle of the utility model is as follows:

the crankshaft 21 drives the multi-edge multi-tooth composite movable grate segment to do reciprocating linear motion through the connecting rod 22 under the driving of the power device, so that a height difference is generated between the crankshaft and the multi-edge composite fixed grate segment in the motion process, when the height of the multi-edge multi-tooth composite movable grate segment 12 is lower than that of the multi-edge composite fixed grate segment 11, garbage on the multi-edge composite fixed grate segment 11 slides onto the multi-edge multi-tooth composite movable grate segment 12, and then the multi-edge multi-tooth composite movable grate segment 12 moves to a height higher than that of the multi-edge composite fixed grate segment, so that the garbage is transferred to the next multi-edge composite fixed grate segment 11, and the operation is circulated in such a way, namely, the materials can be pushed towards the outlet direction.

In the pushing process, the first main cutting edge 1122, the first main crushing edge 115, the first auxiliary crushing edge 116, the first main cutting edge 1141 and the first auxiliary cutting edge 1142 on the lateral kick-out edge 114 of the multi-edge composite fixed grate segment 11, and the second main cutting edge 1222, the second main crushing edge 125, the second auxiliary crushing edge 126, the second main cutting edge 1241 and the second auxiliary cutting edge 1242 on the multi-edge multi-tooth composite movable grate segment 12 effectively cut the garbage so as to improve the treatment efficiency. Meanwhile, the lateral material poking edge 114 and the lateral material pressing edge 124 can change the physical state of the garbage in an elastic-tight manner, so that the garbage treatment efficiency is improved.

The first through hole 1121, the second through hole 1123, the third through hole 1221 and the fourth through hole 1223, which are respectively arranged on the multi-blade composite fixed fire grate segment 11 and the multi-blade multi-tooth composite movable fire grate segment 12, supply airflow sent by an air supply system to the garbage so as to ensure good ventilation of the garbage and improve the treatment efficiency.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A multi-box type composite rubbing furnace grate group system is characterized by comprising:

2. The multi-box type composite grater system according to claim 1, wherein the driving mechanism comprises a crankshaft and a plurality of connecting rods, a plurality of connecting rod shafts are arranged on the crankshaft, two adjacent connecting rod shafts deviate from a preset angle around a rotation center of the crankshaft, a power input end of the crankshaft is connected with the power device, one end of each connecting rod is hinged to the multi-blade multi-tooth composite movable grate segment, and the other end of each connecting rod is hinged to the corresponding connecting rod shaft.

3. The multi-box compound grater system of claim 1, wherein the first through-hole, the second through-hole, the third through-hole, and the fourth through-hole all become smaller from their respective air inlets to their respective air outlets.

4. The multi-box type composite rubbing fire grate system according to claim 1, wherein the lateral poking edge comprises a first main cutting edge and a first auxiliary cutting edge, included angles between the first main cutting edge and the first auxiliary cutting edge and the first side baffle are e and f, respectively, the included angle e is 25-40 degrees, the included angle f is equal to 50-65 degrees, the lateral swaging edge comprises a second main cutting edge and a second auxiliary cutting edge, included angles between the second main cutting edge and the second auxiliary cutting edge and the second side baffle are g and h, respectively, the included angle g is 25-40 degrees, the included angle h is equal to 50-65 degrees, cutting edge included angles between the first main cutting edge, the first auxiliary cutting edge, the second main cutting edge and the second auxiliary cutting edge are i, and the included angle i is 30-60 degrees.

5. The multi-box type compound rubbing grate group system according to claim 1, wherein the included angle between the cutting edges of the first main crushing edge and the first auxiliary crushing edge and the first feeding sliding plate is j, the included angle j is 12-20 °, the included angle between the cutting edges of the second main crushing edge and the second auxiliary crushing edge and the second feeding sliding plate is k, the included angle k is 12-20 °, the included angles between the cutting edges of the first main crushing edge, the first auxiliary crushing edge, the second main crushing edge and the second auxiliary crushing edge are l, and the included angle l is 45-60 °.

6. The multi-box type composite rubbing grate group system according to any one of claims 1 to 5, wherein the peripheries of the first box body and the second box body are embedded with wear-resistant metal or coated with wear-resistant coatings.

7. The multi-box type composite rubbing grate group system according to claim 6, wherein a first wind gathering plate and a second wind gathering plate are respectively arranged in the first inner cavity and the second inner cavity, the first wind gathering plate is connected with the first feeding sliding plate, the first wind gathering plate is obliquely arranged from the first wind supply hole to the second through hole, the second wind gathering plate is connected with the second feeding sliding plate, and the second wind gathering plate is obliquely arranged from the second wind supply hole to the fourth through hole.

8. The multi-box compound grater system of claim 4, wherein the second main cutting edge is provided with a first saw tooth structure, the second main crushing edge is provided with a second saw tooth structure and a third saw tooth structure, the second saw tooth structure is located at an end of the second main crushing edge far from the second air supply hole, and the third saw tooth structure is located at an end of the second main crushing edge close to the second air supply hole.