CN218883986U - Multistage sectional type grate system of waste incineration system - Google Patents

Abstract

The utility model relates to a relevant technical field of msw incineration specifically is multistage sectional type grate system of msw incineration system. The drying section is provided with a grate formed by overlapping and alternately arranging first grate blocks, the upper end of each first grate block is provided with an upper vent hole, the rear side of each upper vent hole is provided with a first rear vent hole, one end of the drying section is provided with a drying section difference, one end of the drying section difference is provided with a combustion section, a second grate block is arranged above the combustion section, one end of the combustion section is provided with a combustion section difference, one end of the combustion section difference is provided with a burnout section, a third grate block is arranged above the burnout section, and the rear end of the third grate block is provided with a second rear vent hole; the lower ends of the drying section, the combustion section and the burnout section are provided with a driving device and an air chamber. The beneficial effects of this technical scheme do: go up ventilation hole and first back ventilation hole messenger once ventilate more evenly, adjust the size and the shape of wind hole and realize pressure loss and pressure differential and adjust, the burning is abundant, adapts to different kinds of operating mode.

Description

Multistage sectional type grate system of waste incineration system

Technical Field

The utility model relates to a relevant technical field of msw incineration specifically is multistage sectional type grate system of msw incineration system.

Background

The incinerator is a garbage disposal apparatus for disposing domestic garbage, medical waste and sludge. The incineration system is a core process in the waste incineration treatment, and equipment applied in the current waste incineration project is mainly a mechanical grate furnace. The mechanical fire grate is divided into forward-push type and backward-push type, the forward-push type fire grate is divided into feeding device, drying section, combustion section and burnout section, and they are distributed in the form of ladder, and the fall is designed between every two fire grates, so that the combustible component in the refuse can be fully contacted with combustion air. At the present stage, the fire grate can not adapt to the conditions of high moisture and low calorific value of Chinese garbage, the garbage is not fully combusted due to insufficient primary ventilation in the incineration process, the fire grate can not adapt to different working conditions, the combustible garbage is few in types, and the incineration treatment capacity is not strong. Accordingly, there is a need for a multi-stage sectional grate system for a waste incineration system that addresses the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the technical scheme is as follows: the condition of the high moisture of unable adaptation china rubbish, low calorific value, the incineration in-process once ventilates inadequately and leads to the rubbish burning insufficient, can't adapt to different operating modes, and the rubbish kind that can burn is few, and incineration disposal ability is not strong.

For the purpose of realizing above, the utility model discloses a technical scheme: the multistage sectional type grate system of the garbage incineration system comprises a supporting beam, one side of the supporting beam is provided with a drying section, the drying section is provided with a grate formed by overlapping and alternately arranging first grate blocks, one end of each first grate block is provided with a first vent hole, one side of each first vent hole is provided with a second vent hole, one end of the drying section is provided with a drying section difference, one end of the drying section difference is provided with a combustion section, a second grate block is arranged above the combustion section, one end of the combustion section is provided with a combustion section difference, one end of the combustion section difference is provided with a burnout section, a third grate block is arranged above the burnout section, and one end of the third grate block is provided with a third vent hole; the lower ends of the drying section, the combustion section and the burnout section are provided with a driving device and an air chamber.

The beneficial effects of this technical scheme do: first ventilation hole and second ventilation hole make once ventilate more evenly, and the size and the shape of adjusting the wind hole realize that pressure loss and pressure differential adjust, and the burning is more abundant, adapts to different kinds of operating mode, improves waste incineration throughput.

The technical problem to be solved by the improvement of the technical scheme is as follows: the garbage layer is higher, the fall of the adjacent fire grates is low, and the garbage can not be stirred by itself, so that the garbage is not fully combusted.

In order to realize the purpose, the utility model discloses improve the technical scheme who adopts afterwards: the drying section, the burning section and the burnout section are in a step shape, a height drop exists between the sections, the drying section is the highest point, the burnout section is the lowest point, the burning section is located between the two sections, the drying section is connected with the burning section through a drying section difference, the burning section is connected with the burnout section through a burning section difference, and the drying section difference and the burning section difference are arranged perpendicular to the horizontal plane.

The beneficial effect after this technical scheme improves does: the height difference is arranged between every two sections to realize continuous conveying of the garbage, the connector realizes accurate falling of the garbage, and the garbage vertically arranged at the connector cannot be accumulated at the joint.

The technical problem to be solved by the improvement of the technical scheme is as follows: in the process of transporting the garbage, the garbage is burnt and stirred insufficiently.

For the purpose of realizing, the utility model discloses improve the technical scheme who adopts afterwards: the first grate block and the second grate block on the drying section and the combustion section are consistent, the inclination angle of the drying section and the combustion section is 18 degrees, and the burnout section is horizontally arranged.

The beneficial effect after this technical scheme improves does: the grate block is obliquely arranged to realize continuous stirring of the garbage and full contact with air, so that complete combustion of the garbage is realized.

The technical problem to be solved by the improvement of the technical scheme is as follows: the air outlet of the grate block is uneven, the structure is simple, the strength is low, and the grate block cannot adapt to various working conditions.

For the purpose of realizing, the utility model discloses improve the technical scheme who adopts afterwards: the first ventilation holes in the first fire grate block and the second fire grate block are arranged on the upper end surface, the second ventilation hole is arranged on the front end surface, and a third ventilation hole is arranged on one side of the third fire grate block; one side of first grate block and second grate block is provided with first strengthening rib, and one side of third grate block is provided with the second strengthening rib, and equal a plurality of setting.

The improved beneficial effects of the technical scheme are as follows: the second vent hole and the third vent hole realize uniform primary air supply to fully combust garbage, and the reinforcing ribs realize the enhancement of structural strength and rigidity.

The technical problem to be solved by the improvement of the technical scheme is as follows: the contact with air is insufficient in the process of burning the garbage.

For the purpose of realizing, the utility model discloses improve the technical scheme who adopts afterwards: the drying section, the combustion section and the burnout section are all connected to one side of the supporting beam through threads, a hot air pipeline is arranged below the air chamber, and the air chamber is horn-shaped.

The beneficial effect after this technical scheme improves does: the garbage can be fully contacted with air through the air chambers, and the garbage can be more fully combusted.

The technical problem to be solved by the improvement of the technical scheme is as follows: the traditional driving device can not meet the requirements of a plurality of synchronous drives, can not be connected with a plurality of fire grates and installed with multi-stage modules, and can not adapt to the transportation of different types of garbage.

For the purpose of realizing, the utility model discloses improve the technical scheme who adopts afterwards: the driving device comprises an oil cylinder support, a driving oil cylinder is arranged on one side of the oil cylinder support, a telescopic rod of the driving oil cylinder is movably connected with a swing arm, the other end of the swing arm is connected with a support rod, one end of the support rod is arranged on a material pushing frame, a first grate block is arranged on the material pushing frame, and the driving devices of the lower ends of the drying section, the combustion section and the burnout section are all consistent.

The improved beneficial effects of the technical scheme are as follows: the driving assembly realizes structural optimization, a plurality of fire grates are connected, a plurality of modules are installed, and the adaptability of the garbage entering the furnace is higher.

Drawings

Fig. 1 is a front view of the structure of the present invention.

Fig. 2 is a top view of the structure of the present invention.

Fig. 3 is a schematic view of the first grate block of fig. 1.

Fig. 4 is a top view of the first grate block of fig. 3.

Fig. 5 isbase:Sub>A cross-sectional view taken atbase:Sub>A-base:Sub>A in fig. 4.

Fig. 6 is a schematic view of the third grate block of fig. 1.

Fig. 7 is a bottom view of the third grate block of fig. 6.

Fig. 8 is a cross-sectional view taken at B-B in fig. 7.

Fig. 9 is an enlarged schematic view at C in fig. 1.

The text labels in the figure are as follows: 1. a drive device; 101. an oil cylinder support; 102. a driving oil cylinder; 103. swinging arms; 104. a stay bar; 105. a pusher frame; 2. a drying section; 201. a first grate block; 2011. a first reinforcing rib; 2012. an upper vent hole; 2013. a first rear vent; 3. a combustion section; 301. a second grate block; 4. a burnout section; 401. a third grate block; 4011. a second reinforcing rib; 4012. a second rear vent; 5. an air chamber; 6. a hot air duct; 7. a support beam; 8. the segment difference of the drying section; 9. and the combustion section is poor.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

Example 1:

as shown in fig. 1, the drying device comprises a supporting beam 7, a drying section 2 is arranged on one side of the supporting beam 7, a grate formed by overlapping and alternately arranging first grate blocks 201 is arranged on the drying section 2, a first vent 2012 is arranged at the upper end of the first grate block 201, a second vent 2013 is arranged on one side of the first vent 2012, a drying section segment difference 8 is arranged at one end of the drying section 2, a combustion section 3 is arranged at one end of the drying section segment difference 8, a second grate block 301 is arranged above the combustion section 3, a combustion section segment difference 9 is arranged at one end of the combustion section 3, a burnout section 4 is arranged at one end of the combustion section difference 9, a third grate block 401 is arranged above the burnout section 4, and a third vent 4012 is arranged at one end of the third grate block 401; the lower ends of the drying section 2, the combustion section 3 and the burnout section 4 are provided with a driving device 1 and an air chamber 5; the drying section 2, the combustion section 3 and the burnout section 4 are all connected to one side of a support beam 7 through threads, a hot air pipeline 6 is arranged below the air chamber 5, and the air chamber 5 is horn-shaped.

When the device is used specifically, the supporting beam 7 is an I-beam, one end of the drying section 2 is connected to the supporting beam 7 through a support, the first grate block 201 on the drying section 2 is stacked front and back, the middle of the first grate block 201 is fixedly connected through threads, one end of the first grate block 201 is connected with a rotating shaft, one end of the drying section 2 is connected with a drying section segment difference 8, one end of the drying section segment difference 8 is connected with the combustion section 3, one end of the combustion section 3 is connected with a combustion section segment difference 9, one end of the combustion section segment difference 9 is connected with the burnout section 4, a driving device 1 and an air chamber 5 are arranged below the drying section 2, the combustion section 3 and the burnout section 4 respectively, the driving device 1 is fixed at the inclined lower end of each section, a stoker pushes the burned substances into the drying section 2, hot air enters the air chamber 5 from a hot air pipeline 6 and then enters the first grate block 201, then enters the first grate block 201 from a first vent hole 2012 and a second vent hole 2013 and fully contacts with the burned substances discharged, the burned substances enter the combustion section 3 under the push of the grate, the combustion section 3, the two air chambers 5 are fully mixed with air, and fully mixed with the burned substances, and the burned substances are fully discharged, so that the burned substances are fully burnt substances 4 are arranged; first ventilation hole 2012 and second ventilation hole 2013 make once ventilate more evenly, adjust the size and the shape in wind hole and realize that pressure loss and pressure differential adjust, the burning is abundant, adapts to different kinds of operating modes.

Example 2:

as shown in fig. 3 to 8, the first ventilating holes 2012 on the first fire grate block 201 and the second fire grate block 301 are arranged on an upper end face, the second ventilating holes 2013 are arranged on a front end face, and one side of the third fire grate block 401 is provided with a third ventilating hole 4012; one side of first fire grate block 201 and second fire grate block 301 is provided with first strengthening rib 2011, and one side of third fire grate block 401 is provided with second strengthening rib 4011, and equal a plurality of settings.

When the garbage incinerator is used specifically, the third vent holes 4012 of the third grate block 401 are arranged on one side, the air inlets of the third vent holes 4012 are arranged on the inner wall of one side and are parallel to the horizontal plane, the air outlets are arranged at the lower end of one side and are vertical to the horizontal plane, and hot air is in contact with garbage from the third vent holes 4012 of the air chamber 5; the second vent holes 2013 and the third vent holes 4012 realize uniform primary air supply to ensure that garbage is fully combusted; first strengthening rib 2011, second strengthening rib 4011 realize the reinforcing of structural strength and rigidity.

Example 3:

as shown in fig. 9, the driving device 1 includes an oil cylinder support 101, a driving oil cylinder 102 is disposed on one side of the oil cylinder support 101, a telescopic rod of the driving oil cylinder 102 is movably connected to a swing arm 103, the other end of the swing arm 103 is connected to a stay bar 104, one end of the stay bar 104 is disposed on a material pushing frame 105, a first grate block 201 is disposed on the material pushing frame 105, and the driving devices 1 at the lower ends of the drying section 2, the combustion section 3 and the burnout section 4 are all identical.

When the device is used specifically, the oil cylinder support 101 is arranged on one side of the fire grate section, the telescopic rod of the driving oil cylinder 102 is connected with one end of the swinging arm 103 through a hinge, one end of the swinging arm 103 is connected with the support rod 104 through a hinge, one end of the support rod 104 is connected with the pushing frame 105 through a hinge, the first fire grate block 201 is fixedly arranged on the pushing frame 105 through threads, the telescopic rod of the driving oil cylinder 102 pushes the swinging arm 103 to move, the swinging arm 103 pushes the support rod 104 to drive the pushing frame 105 to move, the driving oil cylinder 102 contracts to drive the pushing frame 105 to return stroke to form reciprocating motion of the fire grate, and garbage is pushed to be conveyed from the drying section 2 to the combustion section 3 and then to the burnout section 4; the driving assembly 1 realizes structural optimization, a plurality of fire grates are connected, a plurality of modules are installed, and the adaptability of garbage entering the furnace is higher.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are practically unlimited specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features described above can also be combined in a suitable manner; the application of the concepts and technical solutions of the present invention to other applications, with or without any modifications, shall be considered as the scope of the present invention.

Claims (6)

1. The multistage sectional type grate system of the refuse incineration system is characterized in that: the drying device comprises a supporting beam (7), a drying section (2) is arranged on one side of the supporting beam (7), a grate formed by overlapping and alternately arranging first grate blocks (201) is arranged on the drying section (2), a first vent hole (2012) is formed in the upper end of each first grate block (201), a second vent hole (2013) is formed in one side of each first vent hole (2012), a drying section difference (8) is formed in one end of the drying section (2), a combustion section (3) is arranged at one end of the drying section difference (8), a second grate block (301) is arranged above the combustion section (3), a combustion section difference (9) is formed in one end of the combustion section (3), a burnout section (4) is arranged at one end of the combustion section difference (9), a third grate block (401) is arranged above the burnout section (4), and a third vent hole (4012) is formed in one end of the third grate block (401); the lower ends of the drying section (2), the combustion section (3) and the burnout section (4) are provided with a driving device (1) and an air chamber (5).

2. The multi-stage segmented grate system of a waste incineration system of claim 1, wherein: the drying section (2), the burning section (3) and the burnout section (4) are in a step shape, a height drop exists between every two sections, the drying section (2) is the highest point, the burnout section (4) is the lowest point, the burning section (3) is located between the two sections, the drying section (2) is connected with the burning section (3) through a drying section difference (8), the burning section (3) is connected with the burnout section (4) through a burning section difference (9), and the drying section difference (8) and the burning section difference (9) are perpendicular to the horizontal plane.

3. The multi-stage segmented grate system of a waste incineration system of claim 1, wherein: first grate block (201), second grate block (301) on dry section (2) and combustion section (3) are unanimous, and the inclination of dry section (2) and combustion section (3) is 18 degrees, and burnout section (4) are placed for the level.

4. The multi-stage segmented grate system of a waste incineration system of claim 1, wherein: the first ventilating holes (2012) in the first fire grate block (201) and the second fire grate block (301) are formed in the upper end face, the second ventilating holes (2013) are formed in the front end face, and a third ventilating hole (4012) is formed in one side of the third fire grate block (401); one side of first grate block (201) and second grate block (301) is provided with first strengthening rib (2011), and one side of third grate block (401) is provided with second strengthening rib (4011), and equal a plurality of settings.

5. The multi-stage segmented grate system of a waste incineration system of claim 1, wherein: the drying section (2), the combustion section (3) and the burnout section (4) are all connected to one side of the supporting beam (7) through threads, a hot air pipeline (6) is arranged below the air chamber (5), and the air chamber (5) is horn-shaped.

6. The multi-stage segmented grate system of a waste incineration system of claim 1, wherein: the driving device (1) comprises an oil cylinder support (101), a driving oil cylinder (102) is arranged on one side of the oil cylinder support (101), a telescopic rod of the driving oil cylinder (102) is movably connected with a swing arm (103), the other end of the swing arm (103) is connected with a support rod (104), one end of the support rod (104) is arranged on a material pushing frame (105), a first grate block (201) is arranged on the material pushing frame (105), and the driving devices (1) at the lower ends of a drying section (2), a combustion section (3) and an burnout section (4) are all consistent.

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