CN113294787A

CN113294787A - Household garbage incineration power generation and sludge drying treatment system and method

Info

Publication number: CN113294787A
Application number: CN202110639557.XA
Authority: CN
Inventors: 金忠财; 朱志刚; 王祺; 邬江; 周洪福; 毛双龙; 程芝见; 施闻君
Original assignee: Zhejiang Huachuan Industry Group Co ltd
Current assignee: Zhejiang Huachuan Industry Group Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-08-24

Abstract

A household garbage incineration power generation and sludge drying treatment system and method comprises a separation mechanism, a vibration assembly, a screening assembly, a drying device, an incinerator and a steam turbine generator unit; a sewage discharge hopper and a connecting piece are respectively arranged at two sides of the separating mechanism, the vibration assembly is arranged on the separating mechanism and is positioned at one side close to the sewage discharge hopper, and the screening assembly is arranged on the separating mechanism and is positioned at one side close to the connecting piece; the partition plate is arranged on the separation mechanism and positioned between the vibration assembly and the screening assembly; the drying device is connected with the discharge end of the connecting piece, and a feeding pipe for feeding the incinerator is arranged on the drying device; the air inlet end of the steam turbine generator unit is communicated with the incinerator through a steam pipe, and the air outlet end of the steam turbine generator unit is communicated with the condensation circulating device. According to the invention, the garbage is fully separated and precipitated through the vibrating component and the stirring claw, and is respectively divided into two parts of fuel and compost through the first scraper blade and the second scraper blade, so that the screening effect is good, the operation is simple, and the garbage utilization rate is high.

Description

Household garbage incineration power generation and sludge drying treatment system and method

Technical Field

The invention relates to the technical field of garbage treatment, in particular to a system and a method for treating household garbage by incineration and power generation in cooperation with sludge drying.

Background

The household garbage refers to solid waste generated in urban daily life or activities for providing services for urban daily life, and solid waste regarded as urban household garbage according to laws and administrative and regulatory provisions, and mainly includes household garbage of residents, commercial garbage, trade market garbage, street garbage, garbage in public places, garbage of institutions, schools, factories and mines and other units (except dangerous solid waste such as industrial waste, special garbage and the like). Along with the development of cities and the continuous improvement of the living standard of people, the generation amount of urban domestic garbage in China is increased year by year, the problem of environmental pollution caused by the urban domestic garbage is more and more serious, and the essence of incineration is to oxidize organic garbage into inert gas and inorganic non-combustible substances under the conditions of high temperature and sufficient oxygen supply so as to form stable solid residues. Garbage compost has been in China for thousands of years and is one of the main methods for treating garbage, and microorganisms existing in garbage are utilized to enable organic substances to generate biochemical reaction to generate a substance similar to humus soil, so that the substance can be used as a fertilizer and can also be used for improving the soil.

But present domestic waste contains a large amount of plastic products, indisputable carries out the garbage compost, has a lot of wet rubbish in the rubbish equally moreover, just can conveniently burn after need handling classification, carries out the compost to domestic waste treatment on the market at present and filters, then dries and burns, and wet rubbish such as some food waste and peel can influence to burn, and the utilization efficiency is not high enough, and classification effect is not good, leads to rubbish can not the best performance its effect, and energy utilization efficiency is low.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background art, the invention provides a system and a method for treating household garbage by incineration and power generation in cooperation with sludge drying.

(II) technical scheme

The invention provides a system and a method for treating household garbage by incineration and power generation in cooperation with sludge drying, wherein the system comprises a separation mechanism, a vibration assembly, a screening assembly, a drying device, an incinerator, a steam turbine generator unit, a condensation circulation device and a steam pipe;

a sewage discharge hopper and a connecting piece are respectively arranged at two sides of the separating mechanism, the vibration assembly is arranged on the separating mechanism and is positioned at one side close to the sewage discharge hopper, and the screening assembly is arranged on the separating mechanism and is positioned at one side close to the connecting piece; the partition plate is arranged on the separation mechanism and positioned between the vibration assembly and the screening assembly; the drying device is connected with the discharge end of the connecting piece, and a feeding pipe for feeding the incinerator is arranged on the drying device; the gas inlet end of the steam turbine generator unit is communicated with the incinerator through a steam pipe, and the gas outlet end of the steam turbine generator unit is communicated with the condensation circulating device;

the separation mechanism comprises a separation box, a cylinder, a first scraper plate, a partition plate, a fixed column and a first motor; a fixed seat is arranged on the separation box, the air cylinder is arranged on the fixed seat, and a fixing piece is arranged on a telescopic rod of the air cylinder; the first scraper plate is arranged on the separation box in a sliding manner, and a connecting block is arranged on the first scraper plate; the fixed column rotates to be set up on the mounting and is connected with the connecting block, and first motor setting is on the mounting and with fixed column power connection.

Preferably, the vibration assembly comprises a support, a spring and a sieve bucket; be equipped with support piece on the sieve fill, correspond on the separator box and be equipped with support piece, the spring sets up on the support piece on the separator box and supports the support piece on the sieve fill, and is equipped with vibrating motor on the sieve fill.

Preferably, the screening component comprises a fixing frame, a stirring motor, a second motor and a second scraper; the stirring motor is arranged on the fixed frame, and a rotating shaft of the stirring motor is provided with a stirring claw; the second scraper blade is rotatably arranged on the fixed frame through the rotating shaft, and the second motor is arranged on the fixed frame and is in power connection with the rotating shaft.

Preferably, the device further comprises an exhaust pipe; the exhaust pipe is arranged on the incinerator and communicated with the drying device.

Preferably, the device further comprises an air inlet pipe; the air inlet pipe is arranged on the drying device and communicated with the incinerator.

Preferably, the exhaust pipe is provided with a gas treatment device.

Preferably, the air inlet pipe is provided with a drying device.

Preferably, the second scraper blade is provided with a plurality of groups of water leakage holes.

Preferably, the operation method of the household garbage incineration and power generation cooperative sludge drying treatment system comprises the following specific steps;

s1, adding liquid into the separation box, and then conveying the household garbage to the vibration assembly through the conveying device;

s2, starting a vibration motor, enabling the household garbage to uniformly enter a separation box through a sieve hopper, starting a stirring motor and a second motor simultaneously, and stirring and grading the garbage by an electric stirring claw of the stirring motor; food residues, fruit peels and the like are precipitated below the liquid level, and light garbage such as the two garbage bags and the like are left on the liquid level; the second motor works to drive the second scraper to scrape the garbage on the liquid level from the separation box and enter the drying device through the connecting piece;

s3, drying the garbage by high-temperature gas generated by the incinerator after the garbage enters the drying device, granulating by the drying device, and finally inputting the dried garbage into the incinerator for incineration by the charging pipe;

s4, drying the moisture in the drying device through a drying device on an air inlet pipe and then entering an incinerator;

s5, operating the cylinder in the separation box to push the first scraper to push the garbage deposited in the separation box out and performing centralized treatment through a sewage disposal hopper; when the first scraper returns to the initial position, the first motor works and drives the fixed column to enable the first scraper to recover the initial state;

s6, repeating S5 by the cylinder and the first motor to remove the garbage settled in the separating box.

Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects: through vibration subassembly and stirring claw abundant with the separation of rubbish deposit, divide rubbish into through first scraper blade and second scraper blade respectively and be used as fuel and compost two parts, sieve effectually, easy operation, the garbage utilization is high, utilizes the high-temperature gas that burns burning furnace incineration production simultaneously to carry out the drying to supplementary drying device to rubbish, reduces the work energy consumption of equipment, and is more energy-concerving and environment-protective.

Drawings

FIG. 1 is a schematic structural diagram of a system and a method for treating sludge by cooperation of domestic waste incineration and power generation.

Fig. 2 is a schematic structural diagram (back view) of a system and a method for treating sludge drying in cooperation with incineration and power generation of household garbage.

FIG. 3 is a schematic cross-sectional structural view of a separation mechanism in the system and method for treating sludge drying in cooperation with incineration and power generation of household garbage.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Reference numerals: 1. a separating mechanism; 2. a vibrating assembly; 3. a connecting member; 4. a sewage draining hopper; 5. a screening component; 6. a drying device; 7. an incinerator; 8. a turbo generator unit; 9. a condensation circulation device; 10. a feed tube; 11. an exhaust pipe; 12. a steam pipe; 13. an air inlet pipe; 14. a gas processing device; 15. a separation tank; 16. a cylinder; 17. a first squeegee; 18. a fixed seat; 19. a partition plate; 20. connecting blocks; 21. fixing a column; 22. a first motor; 23. a fixing member; 24. a fixed mount; 25. a stirring motor; 26. a stirring claw; 27. a second motor; 28. a second squeegee; 29. a support member; 30. a spring; 31. a vibration motor; 32. a sieve hopper.

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. 1-4, the system and method for treating sludge by cooperation of domestic waste incineration and power generation provided by the invention comprises a separation mechanism 1, a vibration assembly 2, a screening assembly 5, a drying device 6, an incinerator 7, a turbo generator unit 8, a condensation circulation device 9 and a steam pipe 12;

a sewage discharge hopper 4 and a connecting piece 3 are respectively arranged at two sides of the separating mechanism 1, the vibration component 2 is arranged on the separating mechanism 1 and is positioned at one side close to the sewage discharge hopper 4, and the screening component 5 is arranged on the separating mechanism 1 and is positioned at one side close to the connecting piece 3; the partition plate 19 is arranged on the separating mechanism 1 and is positioned between the vibrating assembly 2 and the screening assembly 5; the drying device 6 is connected with the discharge end of the connecting piece 3, and a feeding pipe 10 for feeding the incinerator 7 is arranged on the drying device 6; the air inlet end of the turbo generator unit 8 is communicated with the incinerator 7 through a steam pipe 12, and the air outlet end of the turbo generator unit 8 is communicated with the condensation circulating device 9;

the separating mechanism 1 comprises a separating box 15, an air cylinder 16, a first scraper 17, a partition plate 19, a fixing column 21 and a first motor 22; a fixed seat 18 is arranged on the separation box 15, an air cylinder 16 is arranged on the fixed seat 18, and a fixing piece 23 is arranged on a telescopic rod of the air cylinder 16; the first scraper 17 is arranged on the separation box 15 in a sliding manner, and a connecting block 20 is arranged on the first scraper 17; the fixed column 21 is rotatably arranged on the fixing piece 23 and connected with the connecting block 20, and the first motor 22 is arranged on the fixing piece 23 and is in power connection with the fixed column 21.

In an alternative embodiment, the oscillating assembly 2 comprises a support 29, a spring 30 and a sieve bucket 32; the sieve bucket 32 is provided with a support member 29, the separation box 15 is correspondingly provided with the support member 29, the spring 30 is arranged on the support member 29 on the separation box 15 and props against the support member 29 on the sieve bucket 32, and the sieve bucket 32 is provided with a vibration motor 31.

In an alternative embodiment, the screening assembly 5 comprises a fixed frame 24, a stirring motor 25, a second motor 27, a second scraper 28; the stirring motor 25 is arranged on the fixed frame 24, and a stirring claw 26 is arranged on a rotating shaft of the stirring motor 25; the second scraper 28 is rotatably disposed on the fixing frame 24 through a rotating shaft, and the second motor 27 is disposed on the fixing frame 24 and is in power connection with the rotating shaft.

In an alternative embodiment, an exhaust pipe 11 is further included; the exhaust pipe 11 is arranged on the incinerator 7 and communicated with the drying device 6 to dry the garbage in the drying device 6, and energy consumption is reduced.

In an alternative embodiment, an air inlet pipe 13 is further included; an air intake duct 13 is provided on the drying device 6 and communicates with the incinerator 7.

In an alternative embodiment, the exhaust pipe 11 is provided with a gas treatment device 14 to reduce contamination.

In an alternative embodiment, the inlet pipe 13 is provided with a drying device for drying the gas to prevent the temperature of the incinerator 7 from being affected.

In an alternative embodiment, the second scraper 28 is provided with a plurality of sets of water leakage holes for filtering the liquid and preventing the excessive liquid from entering the drying device 6 to affect the drying efficiency.

The invention also provides an operation method of the household garbage incineration power generation and sludge drying treatment system, which is characterized by comprising the following specific steps;

s1, adding liquid into the separation box 15, and then conveying the household garbage to the vibration assembly 2 through the conveying device;

s2, starting the vibration motor 31, enabling the household garbage to uniformly enter the separation box 15 through the sieve bucket 32, then simultaneously starting the stirring motor 25 and the second motor 27, and stirring and grading the garbage by the electric stirring claw 26 of the stirring motor 25; food residues, fruit peels and the like are precipitated below the liquid level, and light garbage such as the two garbage bags and the like are left on the liquid level; the second motor 27 works to drive the second scraper 28 to scrape the garbage on the liquid surface from the separation box 15 and enter the drying device 6 through the connecting piece 3;

s3, drying the garbage by high-temperature gas generated by the incinerator 7 after the garbage enters the drying device 6, granulating by the drying device 6, and finally inputting the dried garbage into the incinerator 7 for incineration by the feeding pipe 10;

s4, drying the moisture in the drying device 6 through a drying device on the air inlet pipe 13, and then entering the incinerator;

s5, operating the cylinder 16 in the separation box 15 to push the first scraper 17 to push the garbage deposited in the separation box 15 out and intensively treating the garbage through the sewage disposal hopper 4; when the first scraper 17 returns, the first motor 22 works and drives the fixed column 21 to rotate, the first scraper 17 rotates under the action of the connecting block 20, then the air cylinder 16 contracts to withdraw the first scraper 17, and when the first scraper 17 returns to the initial position, the first motor 22 works and drives the fixed column 21 to enable the first scraper 17 to recover the initial state;

s6, the cylinder 16 and the first motor 22 repeat S5 to perform the removing process of the garbage settled in the separation tank 15.

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 and power generation cooperative sludge drying treatment system and a method are characterized by comprising a separation mechanism (1), a vibration assembly (2), a screening assembly (5), a drying device (6), an incinerator (7), a turbo generator unit (8), a condensation circulation device (9) and a steam pipe (12);

a sewage discharge hopper (4) and a connecting piece (3) are respectively arranged on two sides of the separating mechanism (1), the vibration component (2) is arranged on the separating mechanism (1) and is positioned on one side close to the sewage discharge hopper (4), and the screening component (5) is arranged on the separating mechanism (1) and is positioned on one side close to the connecting piece (3); the partition plate (19) is arranged on the separating mechanism (1) and is positioned between the vibrating assembly (2) and the screening assembly (5); the drying device (6) is connected with the discharge end of the connecting piece (3), and a feeding pipe (10) for feeding the incinerator (7) is arranged on the drying device (6); the air inlet end of the steam turbine generator unit (8) is communicated with the incinerator (7) through a steam pipe (12), and the air outlet end of the steam turbine generator unit (8) is communicated with the condensation circulating device (9);

the separating mechanism (1) comprises a separating box (15), an air cylinder (16), a first scraper (17), a partition plate (19), a fixing column (21) and a first motor (22); a fixed seat (18) is arranged on the separation box (15), the air cylinder (16) is arranged on the fixed seat (18), and a fixing piece (23) is arranged on a telescopic rod of the air cylinder (16); the first scraper (17) is arranged on the separation box (15) in a sliding manner, and a connecting block (20) is arranged on the first scraper (17); fixed column (21) rotate to set up on mounting (23) and be connected with connecting block (20), and first motor (22) set up on mounting (23) and with fixed column (21) power connection.

2. The household garbage incineration and power generation cooperative sludge drying treatment system and the method as claimed in claim 1, wherein the vibration assembly (2) comprises a support member (29), a spring (30) and a sieve hopper (32); be equipped with support piece (29) on sieve fill (32), correspond on separator box (15) and be equipped with support piece (29), support piece (29) on sieve fill (32) are supported on support piece (29) on separator box (15) and spring (30) setting, and are equipped with vibrating motor (31) on sieve fill (32).

3. The system of claim 1, wherein the system comprises a household garbage incineration and power generation combined with sludge drying treatment and a sludge drying treatment device

The method is characterized in that the screening component (5) comprises a fixed frame (24), a stirring motor (25), a second motor (27) and a second scraper (28); the stirring motor (25) is arranged on the fixed frame (24), and a stirring claw (26) is arranged on a rotating shaft of the stirring motor (25); the second scraper (28) is rotatably arranged on the fixed frame (24) through a rotating shaft, and the second motor (27) is arranged on the fixed frame (24) and is in power connection with the rotating shaft.

4. The system and the method for treating the household garbage incineration and power generation in cooperation with the sludge drying as claimed in claim 1, further comprising an exhaust pipe (11); the exhaust pipe (11) is arranged on the incinerator (7) and is communicated with the drying device (6).

5. The system and the method for treating the sludge drying by the cooperation of the household garbage incineration and the power generation as well as the method for treating the sludge drying by the cooperation of the household garbage incineration and the power generation as claimed in claim 1, further comprising an air inlet pipe (13); the air inlet pipe (13) is arranged on the drying device (6) and is communicated with the incinerator (7).

6. The system and the method for treating the household garbage incineration and power generation in cooperation with the sludge drying as claimed in claim 4, wherein a gas treatment device (14) is arranged on the exhaust pipe (11).

7. The system and the method for treating the sludge through cooperation of the incineration of the household garbage and the power generation of the household garbage as well as the drying of the sludge as claimed in claim 5, wherein a drying device is arranged on the air inlet pipe (13).

8. The system and the method for treating the sludge by cooperating the incineration of the household garbage and the power generation with the drying of the sludge as claimed in claim 1, wherein the second scraper (28) is provided with a plurality of groups of water leakage holes.

9. The method for operating the household garbage incineration and power generation cooperative sludge drying treatment system according to any one of claims 1 to 8, characterized by comprising the following specific steps;

s1, adding liquid into the separation box (15), and then conveying the household garbage to the vibration assembly (2) through the conveying device;

s2, starting a vibration motor (31), enabling the household garbage to uniformly enter a separation box (15) through a sieve hopper (32), starting a stirring motor (25) and a second motor (27) simultaneously, and stirring and grading the garbage by an electric stirring claw (26) of the stirring motor (25); food residues, fruit peels and the like are precipitated below the liquid level, and light garbage such as the two garbage bags and the like are left on the liquid level; the second motor (27) works to drive the second scraper (28) to scrape the garbage on the liquid surface from the separation box (15) and enter the drying device (6) through the connecting piece (3);

s3, drying the garbage in a drying device (6) through high-temperature gas generated by an incinerator (7), granulating in the drying device (6), and finally inputting the dried garbage into the incinerator (7) through a feeding pipe (10) for incineration;

s4, drying the moisture in the drying device (6) through a drying device on the air inlet pipe (13) and then entering the incinerator;

s5, working the cylinder (16) in the separation box (15) to push the first scraper (17) to push the garbage deposited in the separation box (15) out and to intensively treat the garbage through the sewage discharge hopper (4); when the first scraping plate (17) returns, the first motor (22) works and drives the fixed column (21) to rotate, the first scraping plate (17) rotates under the action of the connecting block (20), then the cylinder (16) contracts to retract the first scraping plate (17), and when the first scraping plate (17) returns to the initial position, the first motor (22) works and drives the fixed column (21) to enable the first scraping plate (17) to return to the initial state;

s6, the cylinder (16) and the first motor (22) repeat S5 to remove the garbage settled in the separating box (15).