CN214501246U - Fire grate block structure of garbage incinerator and fixedly connecting structure thereof - Google Patents
Fire grate block structure of garbage incinerator and fixedly connecting structure thereof Download PDFInfo
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- CN214501246U CN214501246U CN202023057410.XU CN202023057410U CN214501246U CN 214501246 U CN214501246 U CN 214501246U CN 202023057410 U CN202023057410 U CN 202023057410U CN 214501246 U CN214501246 U CN 214501246U
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Abstract
The utility model belongs to the waste incineration field relates to a waste incinerator grate block structure and link firmly structure thereof. The front part of a fire grate block adopts a step fall structure, a plurality of vent holes are arranged at the step, the rear end adopts a similar rectangular clamping groove structure, and two limiting holes are symmetrically arranged at the rear part. The grate block is clamped at the grate beam through the quasi-rectangular clamping groove, and then the grate block is connected with the grate beam through the fixed connection device. The utility model can fully stir the garbage through the movement of the grate block and the structure of the grate block, so that the garbage is better mixed with the primary air; through the fixedly connecting structure, the fire grate block is not easy to rotate and float, and is convenient to disassemble and overhaul.
Description
Technical Field
The utility model belongs to the waste incineration field relates to a waste incinerator grate block structure and fixed connection mode thereof.
Background
Along with the progress of urbanization, the garbage treatment is continuously rising, and the requirement on the garbage treatment is higher and higher. The waste incineration treatment is a waste treatment method generally adopted in various countries in the world at present. Can effectively save land resources, and has high garbage reduction and recycling degree, wherein the mechanical grate furnace is the most widely applied garbage incineration technology.
As is known, the existing mechanical fire grate furnaces generally adopt a reciprocating type fire grate structure, and the fire grate is composed of fixed fire grate blocks and movable fire grate blocks which are arranged alternately, wherein the fixed fire grate blocks and the movable fire grate blocks comprise a plurality of fire grate blocks which are arranged side by side, so that a row or a column of fire grate blocks are formed.
In the mechanical grate furnace, the garbage can be effectively stirred and transferred and the like through the relative displacement between the movable grate block and the fixed grate block. Therefore, the grate block is required to keep stable operation for a long time so as to fully burn the garbage. However, because the fire grate blocks are exposed in high-temperature and corrosive environments for a long time, the material of the fire grate blocks is generally cast steel, and in order to ensure that the fire grate blocks can stably operate for a long time, reasonable structural design is required, and damage caused by internal stress of castings is avoided.
Aiming at the movable reciprocating mechanical grate, a movable grate block and a fixed grate block are arranged in an overlapping mode, and the grate blocks are overlapped up and down in a step mode in the garbage conveying direction. Hard foreign matters with high melting points inevitably exist in the garbage materials, and the garbage materials are transferred and stirred in the relative sliding process of the movable grate block and the fixed grate block, and the hard foreign matters are accumulated between the movable grate block and the fixed grate block. Sometimes, hard objects are wedged into gaps of the fire grate blocks, and the movable fire grate blocks move back and forth, so that the fire grate blocks rotate and tilt, and move and float.
Meanwhile, in order to ensure that the garbage can be continuously combusted and decomposed and the combustible components of the garbage are thoroughly decomposed, the structural form of the grate block also needs to ensure that the garbage can be effectively stirred and turned. In order to ensure the sufficient combustion of the garbage, sufficient oxygen needs to be provided, so that the furnace grate block should be reasonably provided with vent holes to ensure that primary air can smoothly pass through and be in sufficient contact with garbage materials.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an above-mentioned current problem point is overcome to the purpose, provides a rational in infrastructure waste incinerator grate block.
In addition, the grate block fixing structure avoids the interference of hard foreign matters and prevents the grate block from rotating, tilting and horizontally floating.
In addition, the grate block is more beneficial to garbage turnover and stirring and is more beneficial to garbage combustion.
The utility model discloses a concrete technical scheme is: a fire grate block structure of a garbage incinerator and a fixed connection structure thereof are characterized by comprising a movable fire grate block, a fixed connection device and a fire grate beam; the fixed grate blocks and the movable grate blocks are arranged in a stair direction alternately, and a plurality of grate blocks are clamped on the grate beam and are arranged side by side in a row to form a fixed grate row and a movable grate row; the adjacent grate blocks are connected through a fixed connection device which is fixed on the grate beam. The first half part of the grate block adopts a stepped drop structure, and the grate block is in the stepped structure in the conveying direction of the garbage materials, so that the garbage materials are better turned and stirred, the unburned garbage and the burnt garbage are mixed, the garbage can be loosened, and the permeability of the garbage materials is improved.
Furthermore, the rear half part of the fire grate block adopts a similar rectangular clamping groove structure.
Furthermore, the grate beam is designed to be attached to a grate block, and the cross section of the grate beam is designed to be similar to a rectangle.
Furthermore, the fixed connection device is clamped in a limiting hole on an adjacent grate block to be connected with the grate block, and the fixed connection device is connected with the grate beam through bolts and nuts.
The grate block is provided with a plurality of vent holes at the step, preferably two vent holes which are symmetrically arranged. Because the vent hole is arranged at the step fall, the garbage material cannot be tightly attached to the step of the fire grate block, and primary wind energy can better reach the garbage material layer, so that combustion supporting is facilitated. And the air inlet direction of the grate block vent is consistent with the garbage material conveying direction along the step direction, primary air is easier to mix with the garbage material, and the combustion working condition is improved.
The grate block, the whole similar rectangle draw-in groove shape of the back half of the grate block, the corresponding adoption class rectangle design of grate beam, the design, the trilateral contact of grate block and grate beam has restricted the grate block along grate beam axial rotation to prevented that hard foreign matter card from wading the perk that causes the grate block, avoided the grate block because of the excessive damage that the perk caused, the increase scheduling problem of sediment volume of leaking.
The rear ends of the grate blocks are symmetrically provided with limiting holes for limiting the movement of the grate blocks. The front end of the fire grate block is subjected to solid casting and thickening treatment so as to meet the requirement of long service life of the fire grate block and reduce the influence of abrasion among the fire grate blocks and rubbish erosion.
It comprises a movable grate block, a fixed grate block, a grate beam, a fixed connecting block and the like. The fire grate blocks are arranged in a row side by side, and the adjacent fire grate blocks are connected with each other through the fixed connection block, so that the mutually separated row of fire grate blocks are indirectly integrated. Through the mode, the single fire grate block can be dispersed in a row of fire grate blocks due to the force borne by the hard object clamp, the shearing force borne by the fixed connection block is reduced, and the running stability of the fire grate blocks is greatly improved. The fixed connecting block is connected with the fire grate beam through bolts and nuts, so that the longitudinal translation of the fire grate block is limited, and the fire grate block floating caused by the interference of hard foreign matters is avoided.
The utility model has the advantages that:
the stepped structure of the grate block can effectively turn and stir the garbage materials, so that the garbage is loosened, and the permeability of the garbage materials is improved; the vent holes at the steps can effectively mix primary air with garbage materials, and improve the combustion working condition; the fixing connection structure can effectively prevent the tilting and floating caused by the interference of hard foreign body cards.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the movement of a grate.
Fig. 2 is a side view of the grate block.
Fig. 3 is a three-dimensional view of the grate block.
Fig. 4 is a fixing structure of adjacent grate blocks.
Fig. 5 is a schematic view of a grate block interference.
In the figure, 1, a movable grate block, 2, a fixed grate block, 3, a grate beam, 4, a fixing device, 101, a limiting hole, 102, a vent hole, 103, a step shape, 104, a rectangular clamping groove, H, a lifting direction, K, a primary air inlet direction, L, a garbage material conveying direction, K, a primary air inlet direction, M, a contact position of the fixed grate block and the movable grate block, O, a screwing direction and alpha, step angles are included.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
In the figure 1, a movable grate block (1) and a fixed grate block (2) are arranged in an overlapping mode along the conveying direction (L) of the garbage materials, and the movable grate block (1) and the fixed grate block (2) are clamped on a grate beam (3) through rectangular clamping grooves (104) respectively and are arranged in parallel to form a row of grates respectively.
Furthermore, when the rectangular clamping groove (104) of the rear half structure of the grate block is clamped with the quasi-rectangular grate beam (3), the upper top surface and two side surfaces of the grate block can be ensured to be respectively contacted with three surfaces of the grate beam (3), the grate block is prevented from rotating along the axial direction of the grate beam (3), as shown in a rotating direction O in figure 1, and further the grate block is prevented from rotating at a contact part (M) of the fixed grate block and the movable grate block due to the clamping of hard foreign matters, as shown in figure 5.
Furthermore, the front half parts of the movable grate block (1) and the fixed grate block (2) adopt a step fall structure, as shown in fig. 2, the step shape (103) is a step angle (alpha) in the conveying direction (L) of the garbage materials, so that the garbage materials are better turned and stirred, the unburned garbage and the burnt garbage are mixed, the garbage can be loosened, and the permeability of the garbage materials is improved.
Further, at the grate block step, vent holes (102) are uniformly distributed, as shown in fig. 3. Preferably, two ventilation holes (102) are arranged in bilateral symmetry, the air inlet direction (K) of primary air is consistent with the step conveying direction (L) of garbage, and the front part of the fire grate block is designed in a step shape (103), so that the primary air can be better mixed with garbage materials, the combustion-supporting effect is achieved, and the combustion working condition is improved.
Furthermore, two limiting holes (101) are symmetrically arranged at the left and right of the rear part of the fire grate block, as shown in fig. 4. The grate blocks are arranged in a row side by side, two adjacent grate blocks are clamped in the limiting holes (101) through the fixing devices (4), and the fixing devices (4) are connected with the grate beams (3) through bolts and nuts. The adjacent fire grate blocks are connected with each other through a fixed connection device (4) so as to be indirectly connected into a whole. Therefore, when a single fire grate block is interfered by a hard foreign matter to be stressed, the stressed force can be dispersed to each connected fire grate block, so that the shearing force applied to the fixed connection device (4) is reduced, and the stability of the equipment is greatly improved. The grate block and the grate beam (3) are restrained at the bottom surface by the fixing connection device (4), the displacement of the grate block along the vertical direction and the bottom surface direction is limited, and the lifting direction H is shown in figure 1, so that the problem that the grate block is horizontally moved and floated due to the interference of hard foreign matters is avoided, and the problem is shown in figure 5.
Claims (8)
1. A fire grate block structure of a garbage incinerator and a fixed connection structure thereof are characterized by comprising a movable fire grate block, a fixed connection device and a fire grate beam; the fixed grate blocks and the movable grate blocks are arranged in a stair direction alternately, and a plurality of grate blocks are clamped on the grate beam and are arranged side by side in a row to form a fixed grate row and a movable grate row; the adjacent grate blocks are connected through a fixed connection device which is fixed on the grate beam.
2. The grate block structure of garbage incinerator and its fixing structure as claimed in claim 1, characterized in that the front half of the grate block is stepped drop structure.
3. The grate block structure of the garbage incinerator and the fixing structure thereof as claimed in claim 1, wherein a plurality of vent holes are symmetrically arranged at the grate block step.
4. The grate block structure of the garbage incinerator and the fixing structure thereof as claimed in claim 3, wherein two vent holes are symmetrically arranged at the grate block step.
5. The grate block structure of garbage incinerator and its fixing structure as claimed in claim 1, characterized in that two position limiting holes are symmetrically arranged at the rear of the grate block.
6. The grate block structure of the garbage incinerator and the fixing structure thereof as claimed in claim 1, wherein the rear half part of the grate block adopts a similar rectangular clamping groove structure.
7. The fire grate block structure of the garbage incinerator and the fixing structure thereof as claimed in claim 1, wherein the fire grate beam is designed to be attached to the fire grate block, and the cross section is designed to be similar to a rectangle.
8. The fire grate block structure of the garbage incinerator and the fixing structure thereof as claimed in claim 1, wherein the fixing device is engaged in the limit hole on the adjacent fire grate block to connect the fire grate block, and the fixing device is connected with the fire grate beam through bolts and nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023057410.XU CN214501246U (en) | 2020-12-18 | 2020-12-18 | Fire grate block structure of garbage incinerator and fixedly connecting structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023057410.XU CN214501246U (en) | 2020-12-18 | 2020-12-18 | Fire grate block structure of garbage incinerator and fixedly connecting structure thereof |
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| CN214501246U true CN214501246U (en) | 2021-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594707A (en) * | 2020-12-18 | 2021-04-02 | 上海康恒环境股份有限公司 | Fire grate block structure of garbage incinerator and fixing connection mode thereof |
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2020
- 2020-12-18 CN CN202023057410.XU patent/CN214501246U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594707A (en) * | 2020-12-18 | 2021-04-02 | 上海康恒环境股份有限公司 | Fire grate block structure of garbage incinerator and fixing connection mode thereof |
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