CN113007712A

CN113007712A - Household garbage closed-loop tunnel type harmless treatment center and method

Info

Publication number: CN113007712A
Application number: CN202110467652.6A
Authority: CN
Inventors: 刘德远
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-06-22

Abstract

The invention discloses a household garbage closed-loop tunnel type harmless treatment center and a method, and relates to the technical field of garbage treatment, wherein the treatment center comprises an outer wall, an inner wall and a closed-loop tunnel, the front part of the closed-loop tunnel is a low-position operation area, the rear part of the closed-loop tunnel is a high-position operation area, and a garbage combustion mine car system is arranged in the closed-loop tunnel, so that the household garbage can be transported and incinerated in the treatment center conveniently; a plurality of gas cleaning ware, a plurality of gas cleaning ware set up and are used for purifying the produced flue gas of msw incineration in interior wall inside. The invention also discloses a household garbage closed-loop tunnel type harmless treatment method applied to the treatment center. The waste incineration area is arranged in the high-level operation area of the closed-loop tunnel, so that smoke generated by incineration cannot permeate the whole closed-loop tunnel, most of the treatment center is arranged below the ground surface, the occupied area is small, and meanwhile, compared with the prior art, a crusher is not required to be additionally arranged for treating waste, so that the cost is effectively saved.

Description

Household garbage closed-loop tunnel type harmless treatment center and method

Technical Field

The invention belongs to the technical field of garbage treatment, and particularly relates to a household garbage closed-loop tunnel type harmless treatment center and a household garbage closed-loop tunnel type harmless treatment method.

Background

The domestic waste refers to solid waste generated in daily life or activities for providing services to daily life, and solid waste regarded as domestic waste by laws and administrative laws. Along with the rapid development of social economy, the acceleration of urbanization process and the rapid improvement of the living standard of people in China, the quantity of municipal domestic garbage is increased greatly, so that the garbage treatment is more and more difficult, and the problems of environmental pollution and the like caused by the increase gradually draw wide attention of various social circles.

In the prior art, the treatment method of the household garbage mainly adopts landfill treatment and incineration treatment. However, the landfill treatment has the problems of large construction scale investment, large occupied area, difficult site selection, water source pollution caused by the garbage leakage liquid and the like. The welcome and popular waste incineration power plant becomes a fulminant trend, but the waste incineration power plant also has the problems of large investment, long construction period and difficult adjacent site selection. Moreover, the operation can be insisted only by subsidy of electricity price and finance, the tonnage cost for treating the garbage is high, the quantity of the garbage in large and medium cities needs to be concentrated to meet 300 tons/day, and the garbage is severely limited by regions. The vast middle and small towns have to spend a great amount of financial resources to compress, transfer and sort for many times, and the workload is great.

And the small-sized on-site garbage incinerator developed all over the country has the defects of high cost, environmental protection, difficult standard reaching, small daily treatment capacity, manual operation for feeding, harsh environment and the like. The invention is a method which has the advantages of simple charging, large treatment capacity, investment saving, small land occupation, quick production immediately after the start of production, complete realization of automation, environmental protection, standard reaching and harmlessness.

Therefore, the people skilled in the art provide a household garbage closed-loop tunnel type harmless treatment center and a method thereof to solve the problems in the background art.

Disclosure of Invention

The present invention is directed to a household garbage closed-loop tunnel-type harmless treatment center and method, which solve at least one of the problems and disadvantages of the background art.

According to one aspect of the invention, a household garbage closed-loop tunnel type harmless treatment center is provided, which comprises an outer wall, wherein the outer wall encloses a closed area, the top view of the outer wall is a centrosymmetric figure, the front part of the outer wall is provided with a first low area, the rear part of the outer wall is provided with a first high area, and the vertical height of the first high area is at least 800mm greater than that of the first low area; the top view of the inner wall is a centrosymmetric graph, the symmetric center of the inner wall is superposed with the outer wall, the front part of the inner wall is provided with a second low-level area, the vertical height of the second low-level area is consistent with that of the first low-level area, the rear part of the inner wall is provided with a second high-level area, and the vertical height of the second high-level area is consistent with that of the first high-level area; the garbage combustion mine car system is arranged in the closed-loop tunnel, so that the domestic garbage can be transported and incinerated in the treatment center conveniently; a plurality of gas cleaning ware, it is a plurality of gas cleaning ware sets up inside the produced flue gas of purification waste incineration that is used for of interior wall, and the inside whole flue gas that guarantees in the closed loop tunnel for the negative pressure operating mode of interior wall can not reveal.

According to an exemplary embodiment of the invention, the garbage combustion tramcar system comprises tramcar tracks, a plurality of garbage combustion tramcars and connecting hinges, the tramcar tracks are laid at the center of the bottom of the closed-loop tunnel and fixedly connected with the bottom of the closed-loop tunnel, the garbage combustion tramcars at least comprise three garbage combustion tramcars, the garbage combustion tramcars are connected end to end in pairs through the connecting hinges, the garbage combustion tramcars run at low speed in the closed-loop tunnel through a motor speed reducer mechanism, and the combustion hopper capacity of the garbage combustion tramcars is at least 0.5m³The specific capacity is set according to the daily throughput of the user.

According to another exemplary embodiment of the invention, the front part of the closed-loop tunnel is a low-level operation area, the whole low-level operation area is lower than the ground and is arranged horizontally, one end of the top of the low-level operation area is provided with a garbage dumping charging hole, the garbage dumping charging hole is provided with a movable cover plate, the other end of the top of the low-level operation area is provided with a toughened glass observation hole, and the garbage dumping charging hole and the toughened glass observation hole are on the same horizontal plane with the field; the rear part of the closed-loop tunnel is a high-level operation area, the high-level operation area is sequentially provided with a preheating area, a rapid drying area and a high-temperature combustion area, and the low-level operation area is integrally higher than the ground and is arranged horizontally.

According to another exemplary embodiment of the present invention, the bottom of the left and right parts of the closed loop tunnel is set as two slopes, one side of the left and right parts of the closed loop tunnel, which is connected to the preheating zone, is set as an ascending zone, and the other side of the left and right parts of the closed loop tunnel is set as a descending zone.

According to another exemplary embodiment of the present invention, the outer wall composition ascending region part is provided with a first access door at an end near the first elevated region, the outer wall composition descending region part is provided with a second access door at an end near the first elevated region, and the outer wall composition descending region part is provided with an ash outlet at least 500mm higher than the ground.

According to another exemplary embodiment of the present invention, the exterior wall, interior wall, floor and ceiling are lined with refractory brick and thermal insulation.

According to another exemplary embodiment of the present invention, the household garbage closed-loop tunnel type harmless treatment center includes sludge incineration treatment, industrial solid waste incineration treatment and soil thermal desorption in addition to household garbage treatment.

According to another aspect of the invention, the invention provides a household garbage closed-loop tunnel type harmless treatment method, which comprises the following steps:

the method comprises the following steps: stopping running when the garbage combustion mine car runs under the garbage dumping feed port, then opening the movable cover plate, dumping the household garbage into the garbage combustion mine car through the garbage dumping feed port, closing the movable cover plate after dumping is finished, slowly running the garbage combustion mine car in the closed-loop tunnel, and repeating the actions when the next garbage combustion mine car runs under the garbage dumping feed port;

step two: step one, a garbage combustion mine car provided with household garbage sequentially passes through a low-position operation area and a rising area of a closed-loop tunnel, then is sequentially preheated in a preheating area at 300 ℃ for increasing the temperature, quickly evaporates water in a quick drying area at 600 ℃ for increasing the temperature for increasing the;

step three: and in the second step, two natural gas flame guns or alcohol-based fuel flame guns are arranged in the high-temperature combustion area so as to facilitate ignition and assist concentrated high-temperature combustion, and the flue gas generated in the high-temperature combustion area completely enters the inner wall under the action of the negative pressure working condition of the inner wall and is discharged out of the treatment center after being fully treated by a plurality of flue gas purifiers.

According to another exemplary embodiment of the invention, in the first step and the second step, one garbage-burning mine car integrally stays under the garbage dumping charging port, in the high-temperature combustion area and at the ash outlet each time a plurality of garbage-burning mine cars stop.

According to another exemplary embodiment of the invention, in the first step and the second step, a plurality of the garbage burning mine cars are stopped for at least 20 minutes each time, so that garbage dumping, garbage burning and ash dumping are completely carried out.

Compared with the prior art, the invention has the beneficial effects that:

1. through the matching use of the closed-loop tunnel and the garbage combustion mine car system, the garbage incineration can be circulated continuously, mud can be treated, the garbage treatment efficiency of a treatment center is effectively improved, the garbage incineration area is arranged in the high-level operation area of the closed-loop tunnel, the smoke generated by incineration can not permeate the whole closed-loop tunnel, the tunnel is only provided with a low-level dumping feed inlet and a high-level smoke outlet, and the smoke can not escape and leak strictly.

2. The smoke purifier is arranged in the inner wall and only connected with the high-temperature burning area, and the inner wall is under a negative pressure working condition, so that smoke generated in the high-temperature burning area can be sucked in time, the smoke is prevented from diffusing in the closed-loop tunnel, and the smoke reaches the emission standard and is discharged out of the treatment center after the purification effect of the smoke purifier.

3. Most of the garbage treatment device is arranged below the ground surface, the occupied area is small, compared with the prior art, a crusher is not needed to be additionally arranged for treating the garbage, and the cost is effectively saved.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of a domestic waste closed-loop tunnel type center for harmless treatment;

FIG. 2 is a top view of the outside of a domestic waste closed-loop tunnel-type center for innocent treatment;

FIG. 3 is a left side view of a household garbage closed-loop tunnel type innocent treatment center;

FIG. 4 is a schematic view of a rectangular outer wall, a circular inner wall or an oval inner wall;

FIG. 5 is a schematic view showing the outer wall and the inner wall both being circular or elliptical.

In the figure: 1. an outer wall; 101. a first lower region; 102. a first high-order region; 2. an inner wall; 201. a second lower region; 202. a second high region; 3. a closed-loop tunnel; 301. a low-level operation area; 302. a high-level operation area; 303. a rise region; 304. a descending zone; 305. a preheating zone; 306. a fast drying zone; 307. a high temperature combustion zone; 4. a refuse burning mine car system; 401. a tramway track; 402. a refuse burning mine car; 403. a connecting hinge; 5. a flue gas purifier; 6. a first access door; 7. a second access door; 8. an ash outlet; 9. a garbage dumping feed inlet; 10. a removable cover plate; 11. a toughened glass viewing port; 12. a top surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are further described in detail below by way of examples with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention and should not be construed as limiting the invention.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.

According to one aspect of the general technical concept of the present invention, there is provided a household garbage closed-loop tunnel type harmless treatment center, comprising an outer wall 1, wherein the outer wall 1 encloses a closed area, a top view of the outer wall 1 is a central symmetry figure, a first low area 101 is arranged at the front part of the outer wall 1, a first high area 102 is arranged at the rear part of the outer wall 1, and the vertical height of the first high area 102 is at least 800mm greater than that of the first low area 101; the inner wall 2 is enclosed to form a closed area, the top view of the inner wall 2 is a central symmetrical figure, the symmetrical center of the inner wall 2 is overlapped with the outer wall 1, the front part of the inner wall 2 is provided with a second low position area 201, the vertical height of the second low position area 201 is consistent with that of the first low position area 101, the rear part of the inner wall 2 is provided with a second high position area 202, and the vertical height of the second high position area 202 is consistent with that of the first high position area 102; the garbage incinerator comprises a closed-loop tunnel 3, wherein the closed-loop tunnel 3 consists of the ground, the inner side of an outer wall 1, the outer side of an inner wall 2 and a top surface 12, and a garbage combustion mine car system 4 is arranged in the closed-loop tunnel 3 and is convenient for the transportation and incineration of household garbage in a treatment center; a plurality of gas cleaning ware 5, it is a plurality of gas cleaning ware 5 sets up 2 inside produced flue gases that are used for purifying waste incineration in the interior wall, and 2 inside whole the flue gases that guarantee in the closed loop tunnel 3 for the negative pressure operating mode of interior wall can not reveal.

Fig. 1 is a schematic structural diagram of a domestic garbage closed-loop tunnel type harmless treatment center. FIG. 2 is a top view of the outside of a domestic garbage closed-loop tunnel-type harmless treatment center. Fig. 3 is a left side view of a household garbage closed-loop tunnel type innocent treatment center.

In the first exemplary embodiment of the present invention, the region enclosed by the outer wall 1 is rectangular, and the region enclosed by the inner wall 2 is rectangular.

As shown in FIGS. 1-3, in the illustrated embodiment, the refuse burning tramcar system 4 includes a tramcar track 401, a plurality of refuse burning tramcars 402, and an attachment hinge 403, the tramcar track 401 being centrally disposed in and fixedly attached to the bottom of the closed loop tunnel 3The garbage combustion mine car 402 at least comprises three garbage combustion mine cars, a plurality of garbage combustion mine cars 402 are connected end to end pairwise through connecting hinges 403, a plurality of garbage combustion mine cars 402 run at a low speed in a closed-loop tunnel 3 through a motor speed reducer mechanism, and the combustion hopper capacity of each garbage combustion mine car 402 is at least 0.5m³The specific capacity is set according to the daily throughput of the user.

As shown in fig. 1-3, in the illustrated embodiment, the front part of the closed-loop tunnel 3 is a low-level operation area 301, the low-level operation area 301 is entirely lower than the ground and is set to be horizontal, one end of the top of the low-level operation area 301 is provided with a garbage dumping feed opening 9, the garbage dumping feed opening 9 is provided with a movable cover plate 10, the other end of the top of the low-level operation area 301 is provided with a tempered glass viewing opening 11, and the garbage dumping feed opening 9 and the tempered glass viewing opening 11 are at the same level with the field; the rear part of the closed loop tunnel 3 is a high-level operation area 302, the high-level operation area 302 is sequentially provided with a preheating area 305, a rapid drying area 306 and a high-temperature combustion area 307, and the low-level operation area 301 is integrally higher than the ground and is arranged horizontally.

As shown in fig. 1 to 3, in the illustrated embodiment, the bottoms of the left and right portions of the closed-loop tunnel 3 are provided as two slopes, one side of the left and right portions of the closed-loop tunnel 3, which is connected to the preheating zone 305, is provided as an ascending zone 303, and the other side of the left and right portions of the closed-loop tunnel 3 is provided as a descending zone 304.

As shown in fig. 1-3, in the illustrated embodiment, a first access door 6 is provided at one end of the portion of the outer wall 1 constituting the ascending region 303 close to the first high-level region 102, a second access door 7 is provided at one end of the portion of the outer wall 1 constituting the descending region 304 close to the first high-level region 102, and an ash outlet 8 is provided at least at a portion of the outer wall 1 constituting the descending region 304 and 500mm above the ground.

Preferably, in this embodiment, the exterior wall 1, the interior wall 2, the floor and the ceiling 12 are lined with refractory bricks and heat insulating materials in actual use.

Preferably, in this embodiment, the present invention further includes sludge incineration treatment, industrial solid waste incineration treatment and soil thermal desorption in addition to domestic waste treatment.

According to another aspect of the present general inventive concept, there is provided a closed-loop tunnel type harmless treatment method of domestic garbage, comprising the steps of:

the method comprises the following steps: stopping running when the garbage combustion mine car 402 runs under the garbage dumping feed port 9, then opening the movable cover plate 10, dumping the household garbage into the garbage combustion mine car 402 through the garbage dumping feed port 9, closing the movable cover plate 10 after dumping is finished, slowly running the garbage combustion mine car 402 in the closed-loop tunnel 3, and repeating the actions when the next garbage combustion mine car 402 runs under the garbage dumping feed port 9;

step two: the garbage combustion mine car 402 filled with household garbage sequentially passes through the low-position operation area 301 and the ascending area 303 of the closed-loop tunnel 3, then is sequentially preheated in the preheating area 305 at the temperature of 100-;

step three: two natural gas flame guns or alcohol-based fuel flame guns are arranged in the high-temperature combustion area 307 in the second step, smoke generated in the high-temperature combustion area 307 completely enters the inner wall 2 under the action of the negative pressure working condition of the inner wall 2, and is discharged out of the treatment center after being sufficiently treated by a plurality of smoke purifiers 5.

In this embodiment, preferably, in the first step and the second step, one garbage-burning mine car 402 stays entirely under the garbage dumping inlet 9, in the high-temperature combustion area 307 and at the ash outlet 8 every time a plurality of garbage-burning mine cars 402 are stopped.

In this embodiment, preferably, in the first step and the second step, each stopping time of the garbage-burning mine car 402 is at least 20 minutes, so as to ensure that the garbage dumping, the garbage burning and the ash dumping are all completely performed.

Fig. 4 is a schematic view of an outer wall rectangle, an inner wall circle or an ellipse.

In a second exemplary embodiment of the present invention, as shown in fig. 4, the region enclosed by the outer wall 1 is rectangular, and the region enclosed by the inner wall 2 is circular or elliptical.

The rest of this embodiment of the present invention is the same as the first embodiment.

In a third exemplary embodiment of the present invention, as shown in fig. 5, the region enclosed by the outer wall 1 is circular or elliptical, and the region enclosed by the inner wall 2 is circular or elliptical.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. a closed-loop tunnel type harmless treatment center for domestic waste, is characterized in that, comprises:

an outer wall (1), the outer wall (1) encloses a closed area, the top view of the outer wall (1) is a centrally symmetric figure, and the front part of the outer wall (1) is set as a first low-level area (101) , the rear part of the outer wall (1) is set as a first high-level area (102), and the vertical height of the first high-level area (102) is at least 800mm greater than that of the first low-level area (101);

An inner wall (2), the inner wall (2) encloses a closed area, the top view of the inner wall (2) is a center-symmetrical figure and its center of symmetry coincides with the outer wall (1), the inner wall (2) The front part is set as a second low-level area (201), the second low-level area (201) is the same as the vertical height of the first low-level area (101), and the rear part of the inner wall (2) is set as a second high-level area (202) ), the second high-order area (202) is consistent with the vertical height of the first high-order area (102);

A closed-loop tunnel (3), the closed-loop tunnel (3) is composed of the ground, the inner side of the outer wall (1), the outer side of the inner wall (2), and the top surface (12), and the closed-loop tunnel (3) is provided with a garbage burning mine car system (4);

A plurality of flue gas purifiers (5), a plurality of the flue gas purifiers (5) are arranged inside the inner wall (2) for purifying the flue gas generated by the incineration of garbage, and the interior of the inner wall (2) is in a negative pressure condition as a whole .

2. A closed-loop tunnel-type harmless treatment center for domestic waste according to claim 1, characterized in that, the waste-burning minecar system (4) comprises a minecar track (401), a plurality of waste-burning minecars ( 402) and a connecting hinge (403), the mine car track (401) is laid at the bottom center of the closed-loop tunnel (3) and is fixedly connected to the bottom of the closed-loop tunnel (3), and the garbage-burning mine car (402) includes at least three A number of the garbage-burning mining trucks (402) are connected end to end by connecting hinges (403), and a number of the garbage-burning mining trucks (402) run at low speed in the closed-loop tunnel (3) through a motor reducer mechanism, and the garbage The burning minecart (402) has a burning bucket capacity of at least 0.5m ³ .

3. A closed-loop tunnel-type harmless treatment center for domestic waste according to claim 2, characterized in that, the front part of the closed-loop tunnel (3) is a low-level operation area (301), and the low-level operation area (301) ) as a whole is lower than the ground and set to be level, the top end of the low-level operating area (301) is provided with a garbage dumping and feeding port (9), and the garbage dumping and feeding port (9) is provided with a movable cover plate (10), the A tempered glass observation port (11) is provided at the other end of the top of the low-level operation area (301), and the garbage dumping feeding port (9) and the tempered glass observation port (11) are on the same level as the site; after the closed-loop tunnel (3) The upper part is a high-level operation area (302), and the high-level operation area (302) is sequentially provided with a preheating area (305), a rapid drying area (306) and a high-temperature combustion area (307), and the low-level operation area (301) The whole is above the ground and set to level.

4. A closed-loop tunnel-type harmless treatment center for domestic waste according to claim 3, characterized in that the bottom of the left and right parts of the closed-loop tunnel (3) is set as two slopes, and the closed-loop tunnel (3) is set to two slopes at the bottom. One side of the two parts connecting the preheating zone (305) is set as the ascending zone (303), and the other part of the left and right parts of the closed loop tunnel (3) is set as the descending zone (304).

5. A closed-loop tunnel-type harmless treatment center for domestic waste according to claim 1, characterized in that the outer wall (1) constitutes a rising area (303) and a part near the first high-level area (102) One end is provided with a first access door (6), and a part of the outer wall (1) forming the descending area (304) is provided with a second access door (7) at one end close to the first elevated area (102). (1) The part that constitutes the descending area (304) and is at least 500 mm above the ground is provided with an ash outlet (8).

6. A closed-loop tunnel-type harmless treatment center for domestic waste according to claim 1, wherein the outer wall (1), the inner wall (2), the ground and the top surface (12) are all lined Refractory bricks and thermal insulation materials.

7. A treatment method applied to the closed-loop tunnel type harmless treatment center for domestic waste according to any one of claims 1-6, characterized in that, comprising the following steps:

Step 1: Stop running when the garbage incinerator (402) runs to the right under the garbage dumping feeding port (9), then open the movable cover (10), and dump the domestic garbage on the garbage burning through the garbage dumping feeding port (9). Inside the mine cart (402), the movable cover (10) is closed after the dumping is completed, the garbage burning mine cart (402) runs slowly in the closed-loop tunnel (3), and the next garbage burning mine cart (402) runs until the garbage is dumped When the feeding port (9) is directly below, repeat the above actions;

Step 2: The garbage-burning mine car (402) loaded with domestic waste in step 1 sequentially passes through the low-level running area (301) and the ascending area (303) of the closed-loop tunnel (3), and then preheats at 100-300°C in sequence. Preheating is carried out in the zone (305), moisture is rapidly evaporated in the rapid drying zone (306) at 300-600°C, and ash is obtained by pyrolysis and gasification in the high-temperature combustion zone (307) at 850-1100°C, and finally, The ash and slag garbage burning mine car (402) stops at the ash outlet (8) of the descending area (304), and the ash and slag are dumped into the ash and slag car through the ash outlet (8);

Step 3: In step 2, two natural gas torches or alcohol-based fuel torches are arranged in the high temperature combustion zone (307), and the flue gas generated in the high temperature combustion zone (307) is under the action of the negative pressure working condition of the inner wall (2). All of them enter the interior of the inner wall (2), and are fully treated by a number of flue gas purifiers (5) before being discharged from the treatment center.