Household garbage gasification incineration flue gas tar purification device

Abstract

The utility model relates to the technical field of waste incineration treatment, and discloses a household waste gasification incineration flue gas tar purification device which comprises an incinerator and a purification box, a feeding hopper is fixedly installed at the top of the incinerator, and a flue gas guide pipe is communicated between the outer side of the top of the feeding hopper and the left side of the purification box. The right side of the purification box communicates with a smoke exhaust pipe, a box door is hinged to one side of the front face of the purification box, and a controller used for controlling all the components is arranged at the top of the purification box; according to the household garbage gasification incineration flue gas tar purification device, the introduced incineration flue gas is subjected to preliminary filtration treatment through the filter screen, large-particle impurities contained in waste flue gas are filtered out, water mist sprayed through the atomization nozzle is mixed with small-particle dust in the waste flue gas and falls downwards, and then the small-particle impurities in the waste flue gas can be removed; and harmful substances in the waste flue gas are adsorbed and purified through an activated carbon adsorption net, so that the effect of purifying the incineration waste flue gas is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to garbage incineration treatment technical field, concretely is domestic waste gasification incineration tar purification device. BACKGROUND

[0002] Domestic waste gasification incineration is an advanced garbage disposal technology, which converts garbage into gas, liquid and solid ash by placing garbage in a high-temperature environment and using pyrolysis and gasification reactions. These gases and tar are further burned in the furnace to produce high-temperature flue gas, while the solid ash is treated later.

[0003] During the gasification incineration of domestic waste, a large amount of waste flue gas is generated, which contains not only dust and solid particles, but also various harmful substances such as tar, NOx, SO2, HCl, etc. If it is not purified and directly discharged, it will cause serious pollution and damage to the environment and equipment. SUMMARY

[0004] To solve the above-mentioned problems, the utility model provides the following technical scheme: domestic waste gasification incineration flue gas tar purification device, including incinerator and purification box, the top of incinerator is fixedly installed with feeding hopper, the top outside of feeding hopper and the left side of purification box are communicated with smoke duct, the right side of purification box is communicated with smoke exhaust pipe, the front side of purification box is hinged with box door, the top of purification box is provided with controller for controlling each part.

[0005] As an optimization, the inside of the purification box is fixedly installed with a partition, the upper half of the space of the partition is fixedly installed with a baffle, and the baffle divides the upper half into a preliminary filtration space, a cooling and dust reduction space, and an adsorption and purification space.

[0006] As an optimization, the upper and lower inner walls of the preliminary filtration space are fixedly installed with symmetrical limiting members one, a filter screen is arranged between the two limiting members one, the outer side of the filter screen has a frame, and the frame is slidingly inserted into the limiting member one.

[0007] As an optimization, the center of the top wall of the cooling and dust reduction space is fixedly installed with an atomizing nozzle, and the atomizing nozzle is connected with a water pump through a water pipe.

[0008] As an optimization, a drainage hole is formed in the middle of the partition in the cooling and dust reduction space, and a liquid storage tank is arranged in the lower half of the space of the purification box.

[0009] As an optimization, the upper and lower inner walls of the adsorption and purification space are fixedly installed with symmetrical limiting members two, an activated carbon adsorption screen is arranged between the two limiting members two, the outer side of the activated carbon adsorption screen has a frame, and the frame is slidingly inserted into the limiting member two.

[0010] As optimization, the limiting piece includes a guide rail fixedly installed on the top wall of the purification box, a slot is formed in the inside of the guide rail, a sliding block is slidably connected in the slot, a ball is embedded on the end of the sliding block, and a spring is fixedly installed between the sliding block and the bottom wall of the slot.

[0011] As optimization, the middle part of the baffle is provided with an exhaust fan, which facilitates the transmission of waste flue gas to the next purification process.

[0012] The beneficial effects of the utility model are:

[0013] 1. The household garbage gasification incineration flue gas tar purification device, through the filter screen, the incineration flue gas is preliminarily filtered and treated, the large particle impurities in the waste flue gas are filtered out, the water mist and small particle dust in the waste flue gas are mixed and fall down through the atomizing nozzle, then the small particle impurities in the waste flue gas are removed, and the harmful substances in the waste flue gas are adsorbed and purified through the activated carbon adsorption net, so that the purification treatment effect of the incineration waste flue gas is achieved.

[0014] 2. The household garbage gasification incineration flue gas tar purification device, the spring itself elastic force will drive the sliding block to approach the frame, and then the ball will be positioned by being tightly pressed against the outside of the outer frame, so when disassembling, it only needs to be pulled out, and then the filter screen and the activated carbon adsorption net can be pulled out for cleaning or replacement, so that the installation and disassembly and replacement for cleaning are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural schematic view of the purification box inside the utility model;

[0017] Figure 3 It is a filter purification structure schematic view of the utility model;

[0018] Figure 4 It is a quick dismounting structure schematic view of the utility model.

[0019] In the drawing: 1, incinerator; 2, purification box; 3, feed hopper; 4, smoke guide pipe; 5, smoke exhaust pipe; 6, box door; 7, controller; 8, partition; 9, baffle; 10, limiting piece one; 11, filter screen; 12, atomizing nozzle; 13, drain hole; 14, liquid storage tank; 15, limiting piece two; 16, activated carbon adsorption net; 17, guide rail; 18, sliding block; 19, ball; 20, spring; 21, exhaust fan. DETAILED DESCRIPTION

[0020] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figure 1 , the household garbage gasification incineration flue gas tar purification device, including incinerator 1 and purification tank 2, the top of incinerator 1 is fixedly installed with feed hopper 3, the top outer side of feed hopper 3 and the left side of purification tank 2 are communicated with smoke duct 4, the right side of purification tank 2 is communicated with smoke exhaust pipe 5, the front side of purification tank 2 is hinged with tank door 6, the top of purification tank 2 is provided with controller 7 for controlling each part;

[0023] Please refer to Figures 2-3 , the inside of purification tank 2 is fixedly installed with baffle 8, the upper half space of baffle 8 in purification tank 2 is fixedly installed with baffle 9, and the upper half space is divided into preliminary filtration space, cooling and dust removal space and adsorption purification space by baffle 9, the middle part of baffle 9 is provided with exhaust fan 21, which facilitates the transmission of waste flue gas to the next purification process;

[0024] Please refer to Figures 2-3 , the upper and lower inner walls of preliminary filtration space are fixedly installed with symmetrical limiting members 10, filter screen 11 is arranged between the two limiting members 10, the outer side of filter screen 11 has a frame, and the frame is slidingly inserted into limiting member 10, and the waste flue gas is sequentially subjected to preliminary filtration treatment by the two groups of filter screens 11, so that the large particle impurities in the waste flue gas are filtered out;

[0025] Please refer to Figures 2-3 , the center of the top wall of cooling and dust removal space is fixedly installed with atomizing nozzle 12, and the atomizing nozzle 12 is connected with water pump through water pipe, so that water mist can be sprayed along the atomizing nozzle 12 by starting the water pump, so that the small particle dust in the waste flue gas is mixed and falls down, thereby removing the small particle impurities in the waste flue gas;

[0026] Please refer toFigures 2-3 The drain hole 13 is arranged in the middle of the baffle 8 in the cooling and dust reduction space, and the lower half space of the purification box 2 is provided with a liquid storage tank 14, so that the water drops of the mixed oil small particle impurities can be conveniently discharged downward into the liquid storage tank 14 through the drain hole 13, and then the waste water can be conveniently collected and treated;

[0027] Please refer to Figures 2-3 The upper and lower inner walls of the adsorption and purification space are fixedly installed with symmetrical limiting members two 15, and the active carbon adsorption nets 16 are arranged between the two limiting members two 15, and the outer side of the active carbon adsorption net 16 has a frame, and the frame is slidingly inserted into the limiting member two 15, and the harmful substances in the waste flue gas are adsorbed by the two groups of active carbon adsorption nets 16, and the flue gas after adsorption and purification reaches the emission standard, and can be discharged outward from the smoke exhaust pipe 5;

[0028] Please refer to Figure 4 The limiting member includes a guide rail 17 fixedly installed on the top wall of the purification box 2, a slot is arranged in the inside of the guide rail 17, a sliding block 18 is slidingly connected in the slot, a ball 19 is embeddedly connected at the end of the sliding block 18, and a spring 20 is fixedly installed between the sliding block 18 and the bottom wall of the slot, so that the sliding block 18 is driven to approach the frame by the spring 20, and then the ball 19 is tightly pressed against the outer side of the outer frame for positioning, so that the installation and disassembly and replacement for cleaning are facilitated.

[0029] In use, first, the garbage is poured into the incinerator 1 from the feeding hopper 3, and then the garbage in the incinerator 1 is incinerated, and the waste flue gas generated by the incineration enters the preliminary filtering space in the purification box 2 along the smoke guide pipe 4, and then the incineration flue gas is sequentially subjected to preliminary filtering treatment by the two groups of filter nets 11, and the large particle impurities in the waste flue gas are filtered out;

[0030] Then, the filtered waste flue gas enters the cooling and dust reduction space with the assistance of the exhaust fan 21, at this time, the water mist is sprayed out along the atomizing nozzle 12 by starting the water pump, so that the small particle dust in the waste flue gas is mixed and falls downward, and then the small particle impurities in the waste flue gas are removed, and the water drops with impurities are discharged downward into the liquid storage tank 14 through the drain hole 13 for collection;

[0031] Finally, the waste flue gas is discharged into the adsorption and purification space by the exhaust fan 21, and the harmful substances in the waste flue gas are adsorbed by the two groups of active carbon adsorption nets 16 arranged in the adsorption and purification space, and the flue gas after adsorption and purification reaches the emission standard, and can be discharged outward from the smoke exhaust pipe 5;

[0032] When the filter screen 11 and the activated carbon adsorption screen 16 are used for a long time, the filtering and purifying effects thereof are obviously reduced, and since the outer frame is positioned by the spring 20 driving the ball 19 to be close to and extruded, the filter screen 11 and the activated carbon adsorption screen 16 can be conveniently pulled out for cleaning or replacement.

[0033] In summary, the life garbage gasification incineration flue gas tar purification device can preliminarily filter the incineration flue gas by the filter screen 11, filter out large-particle impurities in the waste flue gas, mix small-particle dust in the waste flue gas with water mist sprayed by the atomizing nozzle 12 and drop down, thereby removing small-particle impurities in the waste flue gas, and adsorbing and purifying harmful substances in the waste flue gas by the activated carbon adsorption screen 16, so that the incineration waste flue gas is purified.

[0034] The spring 20 drives the sliding block 18 to be close to the frame, and the ball 19 is positioned by being tightly pressed against the outer side of the outer frame, so that the filter screen 11 and the activated carbon adsorption screen 16 can be conveniently pulled out for cleaning or replacement.

[0035] In the description of the present application, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection", "fixing" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings.

[0037] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A device for purifying tar in waste gas from gasification incineration of household garbage, comprising an incinerator (1) and a purification tank (2), characterized in that: The top of the incinerator (1) is fixedly installed with a feeding hopper (3), a smoke guide pipe (4) is communicated between the top outer side of the feeding hopper (3) and the left side of a purification box (2), an exhaust smoke pipe (5) is communicated with the right side of the purification box (2), a box door (6) is hinged on the front side of the purification box (2), and a controller (7) for controlling each component is arranged on the top of the purification box (2); A partition plate (8) is fixedly installed in the purification box (2), a baffle (9) is fixedly installed in the upper half space of the partition plate (8), and the baffle (9) divides the upper half space into a preliminary filtering space, a cooling and dust setting space and an adsorption and purification space; Symmetrical limiting members one (10) are fixedly installed on the upper and lower inner walls of the preliminary filtering space, a filter screen (11) is arranged between the two limiting members one (10), an atomizing nozzle (12) is fixedly installed at the center of the top wall of the cooling and dust setting space, and symmetrical limiting members two (15) are fixedly installed on the upper and lower inner walls of the adsorption and purification space, with an activated carbon adsorption screen (16) arranged between the two limiting members two (15).

2. The household garbage gasification incineration flue gas tar purification device according to claim 1, characterized in that: The filter screen (11) has a frame on the outer side, and the frame is slidingly inserted into the limiting member one (10).

3. The device according to claim 1, wherein the device is characterized by comprising: a tar removal device for removing tar from the flue gas of the waste gasification incinerator. The atomizing nozzle (12) is connected with a water pump through a water pipe.

4. The device according to claim 1, wherein the device is characterized by: A drainage hole (13) is arranged in the middle of the partition plate (8) in the cooling and dust setting space, and a liquid storage tank (14) is arranged in the lower half space of the purification box (2).

5. The device according to claim 1, wherein the device is characterized by: The activated carbon adsorption screen (16) has a frame on the outer side, and the frame is slidingly inserted into the limiting member two (15).

6. The household garbage gasification incineration flue gas tar purification device according to claim 1, characterized in that: The limiting member comprises a guide rail (17) fixedly installed on the top wall of the purification box (2), a slot is arranged in the guide rail (17), a sliding block (18) is slidingly connected in the slot, a ball (19) is embedded on the end of the sliding block (18), and a spring (20) is fixedly installed between the sliding block (18) and the bottom wall of the slot.

7. The device according to claim 1, wherein the device is characterized by comprising: a tar removal device for removing tar from the flue gas. An exhaust fan (21) is arranged in the middle of the baffle (9).

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