CN111692597A

CN111692597A - Method and equipment for solidifying incineration fly ash of household garbage

Info

Publication number: CN111692597A
Application number: CN202010572456.0A
Authority: CN
Inventors: 高睿; 匡淑美; 胡华飞
Original assignee: Guangdong Jiexin Technology Service Co ltd
Current assignee: Guangdong Jiexin Technology Service Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2020-09-22

Abstract

A method and equipment for solidifying fly ash generated by burning household garbage comprise a feed hopper, a crushing box, a discharge hopper, a feed delivery cylinder, a discharge pipe, a combustion box, a first fan, a connecting pipe, a delivery pipe, a filter screen, an ash discharge pipe, a second fan, a filter box and a screen mesh; the crushing roller set is arranged in the crushing box, and the driving device for driving the crushing roller set to rotate is arranged on the crushing box; the discharge hopper is communicated with the top of one transverse end of the feed delivery cylinder; a material conveying mechanism is arranged in the material conveying cylinder; the first fan and the second fan are both arranged on the combustion box; the output end of the first fan is communicated with the combustion box through a connecting pipe; the input end of the second fan is communicated with the combustion box through a conveying pipe, and the output end of the second fan is communicated with the filter box. The invention can crush the garbage, fully ensure the air required by the garbage combustion, fully combust the garbage, reduce the generation amount of smoke and fly ash, filter the smoke, collect the fly ash and protect the environment.

Description

Method and equipment for solidifying incineration fly ash of household garbage

Technical Field

The invention relates to the technical field of garbage treatment, in particular to a method and equipment for solidifying incineration fly ash of household garbage.

Background

The garbage is solid waste generated in daily life and production of human beings, has large discharge amount, complex and various components, pollution, resource and socialization, needs harmless, resource, reduction and socialization treatment, and can pollute the environment, influence the environmental sanitation, waste resources, destroy the safety of production and life and destroy the social harmony if the garbage cannot be properly treated. The garbage disposal is to rapidly remove the garbage, perform harmless treatment and finally reasonably utilize the garbage. The garbage disposal methods widely used today are sanitary landfills, high temperature composting and incineration.

At present, garbage is directly incinerated without being crushed in advance, and in the garbage incineration process, the garbage is not easy to burn fully, a large amount of smoke and fly ash are generated, and the environment is polluted.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background art, the invention provides a method and equipment for solidifying fly ash generated by burning household garbage, which can crush the garbage, fully ensure air required by the combustion of the garbage, fully burn the garbage, reduce the generation amount of smoke and fly ash, filter the smoke, collect and treat the fly ash and are more environment-friendly.

(II) technical scheme

The invention provides a household garbage incineration fly ash solidification device which comprises a feed hopper, a crushing box, a discharge hopper, a feed delivery cylinder, a discharge pipe, a combustion box, a first fan, a connecting pipe, a delivery pipe, a filter screen, an ash discharge pipe, a second fan, a filter box and a screen;

the feed hopper, the crushing box and the discharge hopper are sequentially connected from top to bottom; the crushing roller set is arranged in the crushing box, and the driving device for driving the crushing roller set to rotate is arranged on the crushing box; the discharge hopper is communicated with the top of one transverse end of the feed delivery cylinder; the other transverse end of the material conveying cylinder is gradually inclined from bottom to top, the bottom of the end is communicated with the combustion box through a material discharging pipe, and a material conveying mechanism is arranged inside the material conveying cylinder; the screen is arranged inside the combustion box; the first fan and the second fan are both arranged on the combustion box; the output end of the first fan is communicated with the combustion box through a connecting pipe; the input end of the second fan is communicated with the combustion box through a conveying pipe, and the output end of the second fan is communicated with the filter box; the filter screen is arranged in the conveying pipe and is obliquely arranged; the ash discharging pipe is communicated with the conveying pipe, the communicating position is located at the filter screen, and a control valve is arranged on the ash discharging pipe.

Preferably, the crushing roller group comprises a first crushing roller and a second crushing roller which are arranged side by side; the driving device comprises a gear cover, a driving mechanism, a driving gear, a first driven gear and a second driven gear; the gear cover is arranged on the crushing box; the driving mechanism is arranged on the crushing box, and the output end of the driving mechanism is connected with the driving gear; the driving gear is meshed with the first driven gear; the first driven gear is meshed with the second driven gear; the first driven gear and the second driven gear are respectively arranged on the first crushing roller and the second crushing roller.

Preferably, the first support leg is provided with a mounting frame; the conveying cylinder is arranged on the mounting frame.

Preferably, the material conveying mechanism is a spiral conveying mechanism; the spiral conveying mechanism comprises a spiral blade, an installation shaft and a speed reducing motor, the speed reducing motor is arranged on the conveying cylinder, the output end of the speed reducing motor is connected with the installation shaft, the spiral blade is arranged on the installation shaft, and the installation shaft is rotatably arranged on the conveying cylinder.

Preferably, the inner surface of the crushing box is provided with a material baffle plate; the striker plate is provided with two along horizontal symmetry, and the striker plate is located crushing roller set top, and the striker plate keeps away from crushing incasement surface one end and slopes gradually from top to bottom.

Preferably, the size of the lower part of the combustion box is gradually reduced from top to bottom.

Preferably, a diffusion mechanism is arranged in the second fan; the diffusion mechanism is located second fan and rose box intercommunication department, and the diffusion mechanism includes a diffusion section of thick bamboo and connecting rod, and the diffusion section of thick bamboo internal diameter is crescent from top to bottom, and the diffusion section of thick bamboo is provided with a plurality ofly along radial skew, is connected with the connecting rod between a plurality of diffusion sections.

Preferably, the inside first filter screen and the second filter screen of setting side by side from top to bottom of rose box.

Preferably, the bottom of the second support leg and the bottom of the first support leg are provided with bottom plates; the bottom of the bottom plate is provided with trundles, one transverse end of the bottom plate is connected with an inclined plate, and the bottom plate is provided with a collecting vehicle; the collection vehicle is arranged below the combustion box.

The second aspect of the invention provides a method for solidifying fly ash generated by burning household garbage, which comprises the following steps:

s1, dumping the garbage to be incinerated into a crushing box through a feed hopper, and driving a crushing roller group to operate by using a driving device so as to crush the garbage;

s2, feeding the crushed garbage into a material conveying cylinder through a material discharging hopper, conveying the garbage to a material discharging pipe through a material conveying mechanism, and dropping the garbage into a combustion box for incineration treatment, wherein residues generated by incineration are accumulated on a screen;

s3, the first fan conveys air into the combustion box through a connecting pipe;

s4, the second fan pumps the smoke and fly ash generated by burning the garbage in the burning box to the filter screen through the delivery pipe; the filter screen intercepts the fly ash, and the accumulated fly ash is discharged from the ash discharge pipe by opening the control valve; the flue gas continues to enter the filter box through the second fan for filtering and purifying treatment.

Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:

the invention can crush the garbage, fully ensure the air required by the garbage combustion, fully combust the garbage, reduce the generation amount of smoke and fly ash, filter the smoke, collect the fly ash and protect the environment. After being crushed by the crushing roller group, the garbage is conveyed into the combustion box through the conveying mechanism, and the first fan conveys air into the combustion box to provide sufficient air for the combustion of the garbage so that the garbage can be fully combusted; the second fan passes through the conveyer pipe convulsions, and when flying dust and flue gas passed through conveyer pipe process filter screen department, the flue gas passed the filter screen and continues to carry, and the flying dust is held back by the filter screen to can arrange the ash through the ash pipe and handle, the flue gas can obtain filtration purification treatment in the rose box, makes the environmental protection more of exhaust flue gas.

Drawings

FIG. 1 is a schematic structural diagram of a method and apparatus for solidifying fly ash from incineration of household garbage according to the present invention.

FIG. 2 is a sectional view of the construction of a method and apparatus for solidifying fly ash from incineration of household garbage according to the present invention.

FIG. 3 is a schematic structural diagram of a method and an apparatus for solidifying fly ash from incineration of household garbage according to the present invention, shown at A in FIG. 2.

FIG. 4 is a schematic structural diagram of a method and an apparatus for solidifying fly ash from incineration of household garbage according to the present invention, shown at B in FIG. 2.

FIG. 5 is a partial structural cross-sectional view of a method and apparatus for solidifying fly ash from incineration of household garbage according to the present invention.

Reference numerals: 1. a feed hopper; 2. a crushing box; 3. a discharge hopper; 4. a delivery cylinder; 41. a screw conveying mechanism; 5. a discharge pipe; 6. a combustion box; 61. a second leg; 7. a striker plate; 8. a gear cover; 9. a drive mechanism; 10. a driving gear; 11. a first driven gear; 12. a second driven gear; 13. a first crushing roller; 14. a second crushing roller; 15. a first leg; 16. a mounting frame; 17. a first fan; 171. a connecting pipe; 18. a delivery pipe; 19. filtering with a screen; 20. an ash discharging pipe; 21. a control valve; 22. a second fan; 23. a filter box; 24. a diffusion cylinder; 25. a connecting rod; 26. a first filter screen; 27. a second filter screen; 28. a collection vehicle; 29. a sloping plate; 30. a base plate; 31. a caster wheel; 32. and (4) screening.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1 to 5, a device for solidifying fly ash from incineration of household garbage according to a first aspect of the present invention includes a feed hopper 1, a crushing box 2, a discharge hopper 3, a feed delivery cylinder 4, a discharge pipe 5, a combustion box 6, a first fan 17, a connecting pipe 171, a delivery pipe 18, a filter screen 19, an ash discharge pipe 20, a second fan 22, a filter box 23, and a screen 32;

the feed hopper 1, the crushing box 2 and the discharge hopper 3 are sequentially connected from top to bottom; a crushing roller set is arranged in the crushing box 2, and a driving device for driving the crushing roller set to rotate is arranged on the crushing box 2; the discharge hopper 3 is communicated with the top of one transverse end of the feed delivery cylinder 4; the other transverse end of the material conveying cylinder 4 is gradually inclined from bottom to top, the bottom of the end is communicated with a combustion box 6 through a material discharging pipe 5, and a material conveying mechanism is arranged inside the material conveying cylinder 4; the screen 32 is arranged inside the combustion box 6; the first fan 17 and the second fan 22 are both arranged on the combustion box 6; the output end of the first fan 17 is communicated with the combustion box 6 through a connecting pipe 171; the input end of the second fan 22 is communicated with the combustion box 6 through the conveying pipe 18, and the output end of the second fan 22 is communicated with the filter box 23; the filter screen 19 is arranged in the conveying pipe 18 and is obliquely arranged; the ash discharging pipe 20 is communicated with the conveying pipe 18, the communication position is located at the filter screen 19, and a control valve 21 is arranged on the ash discharging pipe 20.

In an alternative embodiment, the crushing roller group comprises a first crushing roller 13 and a second crushing roller 14 arranged side by side; the driving device comprises a gear cover 8, a driving mechanism 9, a driving gear 10, a first driven gear 11 and a second driven gear 12; the gear cover 8 is arranged on the crushing box 2; the driving mechanism 9 is arranged on the crushing box 2, and the output end of the driving mechanism 9 is connected with the driving gear 10; the driving gear 10 is meshed with the first driven gear 11; the first driven gear 11 is meshed with the second driven gear 12; the first driven gear 11 and the second driven gear 12 are provided on the first crushing roller 13 and the second crushing roller 14, respectively.

It should be noted that the output end of the driving mechanism 9 drives the driving gear 10 to rotate, the driving gear 10 drives the first driven gear 11 to rotate, the first driven gear 11 drives the first crushing roller 13 and the second driven gear 12 to rotate, and the second driven gear 12 drives the second crushing roller 14 to rotate, so that the garbage can be crushed by the first crushing roller 13 and the second crushing roller 14.

In an alternative embodiment, the first leg 15 is provided with a mounting bracket 16; the feed delivery cylinder 4 is arranged on a mounting frame 16.

It should be noted that, by providing the mounting frame 16, the feeding cylinder 4 can be more firmly supported, and the normal operation of the feeding process can be ensured.

In an alternative embodiment, the feeding mechanism is a screw conveying mechanism 41; the spiral conveying mechanism 41 comprises a spiral blade, an installation shaft and a speed reducing motor, the speed reducing motor is arranged on the material conveying cylinder 4, the output end of the speed reducing motor is connected with the installation shaft, the spiral blade is arranged on the installation shaft, and the installation shaft is rotatably arranged on the material conveying cylinder 4.

It should be noted that the output end of the speed reduction motor drives the mounting shaft to rotate, and the mounting shaft drives the helical blade to rotate, so that the crushed garbage can be conveyed into the combustion box 6 along the inclined direction.

In an alternative embodiment, the inner surface of the crushing box 2 is provided with a striker plate 7; striker plate 7 is provided with two along horizontal symmetry, and striker plate 7 is located crushing roller set top, and striker plate 7 keeps away from 2 internal surface one ends of crushing case and from top to bottom slopes gradually.

It should be noted that, by arranging the material baffle 7, garbage can be ensured to enter between the crushing roller sets, and sufficient crushing treatment can be achieved.

In an alternative embodiment, the size of the lower portion of the combustion box 6 is gradually reduced from top to bottom, so that the residue generated by the combustion of the garbage can be discharged from the combustion box 6 more smoothly.

In an alternative embodiment, the second fan 22 is internally provided with a diffusion mechanism; the diffusion mechanism is located second fan 22 and rose box 23 intercommunication department, and the diffusion mechanism includes a diffusion section of thick bamboo 24 and connecting rod 25, and the internal diameter of a diffusion section of thick bamboo 24 is crescent from top to bottom, and a diffusion section of thick bamboo 24 is provided with a plurality ofly along radial skew, is connected with connecting rod 25 between a plurality of diffusion sections of thick bamboo 24.

It should be noted that the plurality of diffusion cylinders 24 can guide the flue gas to all positions in the filter box 23 more uniformly, so that the flue gas can be filtered and purified more fully and uniformly.

In an alternative embodiment, the first filter screen 26 and the second filter screen 27 are arranged side by side from top to bottom inside the filter box 23, so that the filtering and purifying effect on the flue gas is better.

In an alternative embodiment, the bottom plate 30 is provided at the bottom of the second leg 61 and the first leg 15; the bottom of the bottom plate 30 is provided with a caster 31, one transverse end of the bottom plate 30 is connected with an inclined plate 29, and the bottom plate 30 is provided with a collecting vehicle 28; the collection vehicle 28 is located below the combustion box 6.

It should be noted that the residue generated by the garbage combustion can be collected by the collection vehicle 28; the present invention can be conveniently moved to a desired position by the caster 31.

The second aspect of the invention provides a method for solidifying fly ash from incineration of household garbage, which comprises the following steps:

s1, dumping the garbage to be incinerated into a crushing box 2 through a feed hopper 1, and driving a crushing roller group to operate by using a driving device so as to crush the garbage;

s2, feeding the crushed garbage into a material conveying cylinder 4 through a material discharging hopper 3, conveying the garbage to a material discharging pipe 5 through a material conveying mechanism, and dropping the garbage into a combustion box 6 for incineration treatment, wherein residues generated by incineration are accumulated on a screen 32;

s3, the first fan 17 sends air into the combustion box 6 through the connecting pipe 171;

s4, the second fan 22 pumps the flue gas and the fly ash generated by burning the garbage in the burning box 6 to the filter screen 19 through the conveying pipe 18; the filter screen 19 traps the fly ash and discharges the accumulated fly ash from the ash discharge pipe 20 by opening the control valve 21; the flue gas continues to enter the filter box 23 through the second fan 22 for filtering and purifying treatment.

The invention can crush the garbage, fully ensure the air required by the garbage combustion, fully combust the garbage, reduce the generation amount of smoke and fly ash, filter the smoke, collect the fly ash and protect the environment. After being crushed by the crushing roller group, the garbage is conveyed into the combustion box 6 through the conveying mechanism, and the first fan 17 conveys air into the combustion box 6 to provide sufficient air for the combustion of the garbage so that the garbage can be fully combusted; the second fan 22 is used for exhausting air through the conveying pipe 18, when fly ash and smoke pass through the conveying pipe 18 and pass through the filter screen 19, the smoke passes through the filter screen 19 to be conveyed continuously, the fly ash is intercepted by the filter screen 19, ash discharge treatment can be carried out through the ash discharging pipe 20, the smoke can be subjected to filtering and purifying treatment in the filter box 23, and the discharged smoke is more environment-friendly.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A household garbage incineration fly ash solidification device is characterized by comprising a feed hopper (1), a crushing box (2), a discharge hopper (3), a feed delivery cylinder (4), a discharge pipe (5), a combustion box (6), a first fan (17), a connecting pipe (171), a conveying pipe (18), a filter screen (19), an ash discharge pipe (20), a second fan (22), a filter box (23) and a screen (32);

the feed hopper (1), the crushing box (2) and the discharge hopper (3) are sequentially connected from top to bottom; a crushing roller set is arranged in the crushing box (2), and a driving device for driving the crushing roller set to rotate is arranged on the crushing box (2); the discharge hopper (3) is communicated with the top of one transverse end of the material conveying cylinder (4); the other end of the transverse direction of the material conveying cylinder (4) is gradually inclined from bottom to top, the bottom of the end is communicated with the combustion box (6) through a material discharging pipe (5), and a material conveying mechanism is arranged inside the material conveying cylinder (4); the screen (32) is arranged inside the combustion box (6); the first fan (17) and the second fan (22) are both arranged on the combustion box (6); the output end of the first fan (17) is communicated with the combustion box (6) through a connecting pipe (171); the input end of the second fan (22) is communicated with the combustion box (6) through a conveying pipe (18), and the output end of the second fan (22) is communicated with the filter box (23); the filter screen (19) is arranged in the conveying pipe (18) in an inclined way; the ash discharging pipe (20) is communicated with the conveying pipe (18), the communicating position is positioned at the filter screen (19), and the ash discharging pipe (20) is provided with a control valve (21).

2. The municipal solid waste incineration fly ash solidification equipment according to claim 1, wherein the crushing roller group comprises a first crushing roller (13) and a second crushing roller (14) arranged side by side; the driving device comprises a gear cover (8), a driving mechanism (9), a driving gear (10), a first driven gear (11) and a second driven gear (12); the gear cover (8) is arranged on the crushing box (2); the driving mechanism (9) is arranged on the crushing box (2), and the output end of the driving mechanism (9) is connected with the driving gear (10); the driving gear (10) is meshed with the first driven gear (11); the first driven gear (11) is meshed with the second driven gear (12); a first driven gear (11) and a second driven gear (12) are provided on the first crushing roller (13) and the second crushing roller (14), respectively.

3. The equipment for solidification of fly ash from incineration of household garbage according to claim 1, wherein the first leg (15) is provided with a mounting frame (16); the delivery cylinder (4) is arranged on the mounting frame (16).

4. The apparatus for solidifying fly ash from incineration of household garbage according to claim 1, wherein the transporting means is a screw transporting means (41); spiral conveying mechanism (41) include helical blade, installation axle and gear motor, and gear motor sets up on defeated feed cylinder (4), and gear motor's output and installation hub connection, helical blade set up on the installation axle, and the installation axle rotates and sets up on defeated feed cylinder (4).

5. The household garbage incineration fly ash solidification equipment according to claim 1, wherein a material baffle plate (7) is arranged on the inner surface of the crushing box (2); the two striker plates (7) are arranged along the transverse symmetry, the striker plates (7) are located above the crushing roller sets, and one ends, far away from the inner surface of the crushing box (2), of the striker plates (7) are gradually inclined from top to bottom.

6. The apparatus for solidification of fly ash from incineration of household garbage according to claim 1, wherein the lower dimension of the combustion box (6) is gradually reduced from top to bottom.

7. The household garbage incineration fly ash solidification equipment according to claim 1, wherein the second fan (22) is internally provided with a diffusion mechanism; the diffusion mechanism is located second fan (22) and rose box (23) intercommunication department, and the diffusion mechanism includes diffusion section of thick bamboo (24) and connecting rod (25), and diffusion section of thick bamboo (24) internal diameter is crescent from top to bottom, and diffusion section of thick bamboo (24) are provided with a plurality ofly along radial skew, are connected with connecting rod (25) between a plurality of diffusion section of thick bamboos (24).

8. The apparatus for solidification of fly ash from incineration of household garbage according to claim 7, wherein the first filter screen (26) and the second filter screen (27) are disposed side by side from top to bottom inside the filter box (23).

9. The municipal solid waste incineration fly ash solidification equipment according to claim 1, wherein the bottom of the second leg (61) and the first leg (15) is provided with a bottom plate (30); the bottom of the bottom plate (30) is provided with a caster (31), one transverse end of the bottom plate (30) is connected with an inclined plate (29), and the bottom plate (30) is provided with a collecting vehicle (28); the collecting vehicle (28) is positioned below the combustion box (6).

10. The method for solidifying fly ash from incineration of household garbage according to claim 1, comprising the steps of:

s1, dumping the garbage to be incinerated into a crushing box (2) through a feed hopper (1), and driving a crushing roller set to operate by using a driving device so as to crush the garbage;

s2, feeding the crushed garbage into a material conveying cylinder (4) through a material discharging hopper (3), conveying the garbage to a material discharging pipe (5) through a material conveying mechanism, and dropping the garbage into a combustion box (6) for incineration treatment, wherein residues generated by incineration are accumulated on a screen (32);

s3, the first fan (17) conveys air into the combustion box (6) through the connecting pipe (171);

s4, the second fan (22) pumps the flue gas and the fly ash generated by burning the garbage in the burning box (6) to the filter screen (19) through the delivery pipe (18); the filter screen (19) traps the fly ash and discharges the accumulated fly ash from the ash discharge pipe (20) by opening the control valve (21); the flue gas continuously enters the filter box (23) through the second fan (22) for filtering and purifying treatment.