CN112113226A

CN112113226A - Be suitable for multiple incineration device of multiple danger wastes material

Info

Publication number: CN112113226A
Application number: CN202011104719.1A
Authority: CN
Inventors: 刘飞俭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2020-12-22

Abstract

The invention relates to the technical field of dangerous waste incineration, in particular to a multiple incineration device suitable for various dangerous wastes, which comprises a first incinerator, a second incinerator, a cooling and dedusting component and a gas purification component, wherein the first incinerator comprises a first incinerator body and a second incinerator body, the cooling and dedusting component comprises a first incinerator body and a second incinerator body, the first incinerator body comprises a first incinerator body, the second incinerator body comprises a: a stirring component is arranged in the first incinerator, the second incinerator is communicated with the first incinerator, a heating component is arranged in the second incinerator, a flue gas outlet is arranged at the top of the first incinerator, and the flue gas outlet is communicated with the second incinerator; the second incinerator is provided with a gas outlet communicated with the cooling and dust removing assembly, and the cooling and dust removing assembly is communicated with the gas purifying assembly. The invention adopts a two-furnace combination mode formed by the first incinerator and the second incinerator, the heat of the second incinerator can be fully utilized in the first incinerator, the energy consumption is reduced, the invention is suitable for the incineration treatment of various hazardous wastes such as waste gas, waste liquid and solid waste, the flue gas after the incineration treatment is discharged after being incinerated again and air purified, the combustion is full, the purification is thorough, and the generation of harmful gases such as dioxin and the like can be effectively avoided.

Description

Be suitable for multiple incineration device of multiple danger wastes material

Technical Field

The invention relates to the technical field of hazardous waste incineration, in particular to a multiple incineration device suitable for multiple hazardous wastes.

Background

The mainstream treatment technology is incineration at present for unrecoverable organic waste gas, waste liquid and solid waste, and most manufacturers adopt a method of directly discharging the organic waste gas, the waste liquid and the solid waste after incineration by an incinerator, so that not only is the heat carried by the waste gas wasted, but also auxiliary fuel needs to be supplemented, and great waste is caused. In order to reduce energy consumption, some manufacturers recommend that regenerative thermal oxidizer (RTO and RCO) are used for separately treating organic waste gas, but considering the cost of equipment, the gas retention time is generally less than 2 seconds, so that the treatment effect on some waste gas is not ideal, and the combustion range of medium and low temperature can generate dioxin, so that the emission requirement of the waste gas cannot be met.

Chinese patent CN109737432A discloses a treatment system and method for treating low-concentration organic waste gas by using a hazardous waste incineration device, wherein the treatment system comprises an induced draft fan, the induced draft fan is connected with waste gas concentration equipment, the waste gas concentration equipment is connected with an exhaust chimney, the waste gas concentration equipment is also connected with a steam heat exchanger, and the steam heat exchanger is sequentially connected with a gas-gas heat exchanger and a desorption fan in series; still including the useless burning unit of danger, the useless burning unit of danger's structure is: the device comprises a flame arrester, wherein one end of the flame arrester is sequentially connected with a combustion chamber, a waste heat boiler, a quench tower, an activated carbon bin, a bag-type dust remover and a washing tower in series; the waste heat boiler is connected with the steam heat exchanger, the flame arrester is connected with the waste gas concentration equipment, the gas-gas heat exchanger is positioned between the bag-type dust remover and the washing tower, and the washing tower is connected with the exhaust chimney. Although usable danger of above-mentioned scheme is useless burns device and is handled low concentration organic waste gas, however, organic waste gas only once burns, very easily appears burning and insufficiently leads to the not up to standard phenomenon of discharge gas.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a multiple incineration device suitable for multiple hazardous wastes, which is suitable for incineration treatment of multiple hazardous wastes such as organic waste gas, waste liquid, solid waste and the like, and the flue gas generated by incineration is fully incinerated and thoroughly purified after multiple treatments such as adsorption, incineration and the like.

In order to solve the technical problems, the invention adopts the technical scheme that:

the utility model provides a be suitable for multiple incineration device of multiple danger wastes material, including first burning furnace, second burning furnace, cooling dust removal subassembly and gaseous purification subassembly: the first incinerator is communicated with a solid waste inlet, a waste liquid inlet and a waste gas inlet, a stirring assembly is arranged in the first incinerator, the second incinerator is communicated with the lower part of the first incinerator, a heating assembly is arranged in the second incinerator, a flue gas outlet is formed in the top of the first incinerator, and the flue gas outlet is communicated with the second incinerator; the second incinerator is provided with an air outlet communicated with the cooling and dust removing assembly, the cooling and dust removing assembly is communicated with the gas purifying assembly, and the gas purifying assembly is provided with a chimney for discharging purified air.

According to the multiple incineration device suitable for various dangerous wastes, the heating component in the second incinerator provides high temperature, and high-temperature air enters the first incinerator; the solid waste, the waste gas or the waste liquid enters the first incinerator for combustion, and the stirring assembly can avoid accumulation of the solid waste or the waste liquid and contribute to full combustion; the flue gas that the burning produced in the first burning furnace is discharged to the second burning furnace in from the exhanst gas outlet at first burning furnace top, burns the flue gas once more, fully burns harmful gas such as dioxin and decomposes and obtains the decomposition gas in the flue gas, and the decomposition gas gets into and cools off dust removal component and then gets into in the gas purification subassembly and carry out purification treatment and obtain the purification gas, and the purification gas is discharged by the chimney. The invention adopts a two-furnace combination mode formed by the first incinerator and the second incinerator, the heat of the second incinerator can be fully utilized in the first incinerator, the energy consumption is reduced, the invention is suitable for the incineration treatment of waste gas, waste liquid and solid waste multiple dangerous wastes, the smoke after the incineration treatment is discharged after being incinerated again and air purified, the combustion is full, the purification is thorough, the generation of harmful gases such as dioxin can be effectively avoided, and the invention has good environmental protection.

Furthermore, a feeding hopper and a movable partition plate movably connected to the bottom of the feeding hopper are arranged at the solid waste inlet; the waste liquid inlet is connected with a waste liquid input pump, and the waste gas inlet is connected with a waste gas fan; the solid waste inlet and the waste liquid inlet are positioned at the upper part of the first incinerator, and the waste gas inlet is positioned at the lower part of the first incinerator.

Further, agitating unit includes agitator motor, (mixing) shaft and impeller, the impeller spiral encircles and installs in the (mixing) shaft periphery, the (mixing) shaft is connected in agitator motor's output.

Further, the heating assembly comprises a plurality of groups of heating pipes which are uniformly distributed in the second incinerator.

Further, the second incinerator is communicated with an air supplementing fan.

Further, the gas purification assembly comprises a shell, a solid adsorption medium circulation assembly, an adsorption area, a desorption area and an activation area, wherein the adsorption area, the desorption area and the activation area are arranged in the shell, the adsorption area is communicated with the cooling and dedusting assembly and is provided with a plurality of adsorption units, and the desorption area is communicated with the second incinerator through a desorption fan; and the solid adsorption medium circulating assembly circularly conveys the adsorption units on the closed routes of the adsorption zone, the desorption zone, the activation zone and the adsorption zone.

Further, the gas outlet is communicated with a desorption area through a waste heat fan, and the desorption area is also communicated with a fresh air fan.

Furthermore, the adsorption unit is a box-type adsorption unit, the box-type adsorption unit comprises a plurality of groups of screen plates, a cavity for filling a solid adsorption medium is arranged between every two adjacent screen plates, and the solid adsorption medium is selected from one of molecular sieves, activated carbon, silica gel and activated alumina.

Further, desorption district, activation district locate the below of adsorption zone side by side, the bottom, upper portion and the lateral part of adsorption zone, desorption district, activation district all are equipped with the cylinder of being connected with the casing rotation, box adsorption unit passes through roller and casing roll connection.

Further, solid adsorption medium circulation subassembly is including first lifting unit and the first electric putter subassembly that is located adsorption zone and desorption district side, and first lifting unit direction of motion is perpendicular with first electric putter subassembly direction of motion, adsorption zone and cooling space side are equipped with second lifting unit and second electric putter subassembly, and second lifting unit direction of motion is perpendicular with second electric putter subassembly direction of motion.

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

the multiple incineration device suitable for the hazardous waste adopts a two-furnace combination mode formed by the first incinerator and the second incinerator, the heat of the second incinerator can be fully utilized in the first incinerator, the energy consumption is reduced, the multiple incineration device is suitable for the incineration treatment of various hazardous wastes such as waste gas, waste liquid and solid waste, the smoke after the incineration treatment is discharged after being incinerated again and air purified, the multiple incineration device is sufficient in combustion and thorough in purification, the generation of harmful gases such as dioxin can be effectively avoided, and the multiple incineration device has good environmental protection property.

Drawings

FIG. 1 is a schematic structural view of a multiple incineration apparatus for various hazardous wastes according to the present invention;

in the drawings: 1-a first incinerator; 11-a solid waste inlet; 12-a waste liquid inlet; 13-an exhaust gas inlet; 14-a flue gas outlet; 15-a loading hopper; 16-a movable partition; 17-a waste liquid input pump; 18-a waste gas fan; 19-refractory bricks; 2-a second incinerator; 21-air outlet; 22-connection port; 3-cooling and dedusting components; 4-a gas purification assembly; 41-chimney; 42-a housing; 43-a solid adsorbent media circulation assembly; 431-a first lifting assembly; 432-a first electric putter assembly; 433-a second lifting assembly; 434-a second electric putter assembly; 44-an adsorption zone; 45-desorption zone; 46-an active region; 47-an adsorption unit; 48-a fresh air fan; 5-a stirring component; 51-a stirring motor; 52-a stirring shaft; 53-impeller; 6-a heating assembly; 7-air supply fan; 8-desorption fan; 9-residual heat fan.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Examples

Fig. 1 shows an embodiment of the multiple incineration apparatus for multiple hazardous wastes of the present invention, which comprises a first incinerator 1, a second incinerator 2, a cooling and dust removing component 3, and a gas cleaning component 4: the first incinerator 1 is communicated with a solid waste inlet 11, a waste liquid inlet 12 and a waste gas inlet 13, a stirring component 5 is arranged in the first incinerator 1, the second incinerator 2 is communicated with the lower part of the first incinerator 1, a heating component 6 is arranged in the second incinerator 2, a flue gas outlet 14 is arranged at the top of the first incinerator 1, and the flue gas outlet 14 is communicated with the second incinerator 2; the second incinerator 2 is provided with an air outlet 21 communicated with the cooling and dust removing assembly 3, the cooling and dust removing assembly 3 is communicated with the gas purifying assembly 4, and the gas purifying assembly 4 is provided with a chimney 41 for discharging purified air. Wherein, the heating component 6 controls the temperature in the second incinerator 2 between 1200 ℃ and 1500 ℃ to ensure that harmful gases such as dioxin and the like generated in the combustion process are fully combusted; the second incinerator 2 is communicated with the first incinerator 1 through a connecting port 22; the heating component 6 in this embodiment can adopt a heating tube to heat the air in the second incinerator 2, and can also adopt combustion media such as hydrogen, liquid hydrogen and the like to burn to raise the temperature of the second incinerator 2; when using the heating tube to heat, the heating tube is vertically and evenly arranged in the second incinerator 2 to avoid the heating tube to break and influence the normal use of the heating tube. Of course, it should be noted that other heating units 6 capable of controlling the temperature in the second incinerator 2 to 1200-1500 ℃ can be applied to the present invention.

When the invention is implemented, the heating component 6 in the second incinerator 2 provides high temperature, and high temperature air enters the first incinerator 1; the solid waste, the waste gas or the waste liquid enters the first incinerator 1 for combustion, and the stirring component 5 can avoid accumulation of the solid waste or the waste liquid and is beneficial to full combustion; the flue gas that burns in the first burning furnace 1 and produce discharges to the second burning furnace 2 in from the exhanst gas outlet 14 at first burning furnace 1 top in, to the flue gas reburning, fully burns harmful gas such as dioxin in the flue gas and decomposes and obtains the decomposition gas, and the decomposition gas gets into and cools off dust removal component 3 and carries out purification treatment in getting into gas purification component 4 after cooling and removing dust and obtains the purified gas, and the purified gas is discharged by chimney 41. The combustion is sufficient, the purification is thorough, and the generation of harmful gases such as dioxin and the like can be effectively avoided.

In one embodiment, the decomposed gas after flowing out of the second incinerator 2 may directly enter the cooling and dust removing module 3 for cooling and dust removal, or may first undergo desulfurization and denitrification treatment by the desulfurization and denitrification module before entering the cooling and dust removing module 3 for cooling and dust removal, or may first undergo desulfurization and denitrification treatment after cooling and dust removal. The decomposed gas enters the gas purification component 4 for purification after cooling and dust removing treatment or desulfurization and denitrification and cooling and dust removing treatment.

In one embodiment, a feeding hopper 15 and a movable partition 16 movably connected to the bottom of the feeding hopper 15 are arranged at the solid waste inlet 11; the waste liquid inlet 12 is connected with a waste liquid input pump 17, and the waste gas inlet 13 is connected with a waste gas fan 18; the solid waste inlet 11 and the waste liquid inlet 12 are located at the upper portion of the first incineration furnace 1, and the waste gas inlet 13 is located at the lower portion of the first incineration furnace 1. The movable partition 16 of the embodiment can be elastically and movably connected with the bottom of the charging hopper 15, when solid waste is added, the movable partition 16 rotates under the action of solid waste gravity, and the solid waste falls into the first incinerator 1; when solid waste does not need to be added, the movable partition plate 16 is reset to seal the solid waste inlet 11 to prevent combustion waste gas from being directly discharged from the solid waste inlet 11; the waste gas fan 18 and the waste liquid input pump 17 are used for inputting waste gas and waste liquid into the first incinerator 1, solid waste and waste liquid are added from the upper part of the first incinerator 1, and in the descending process under the action of gravity, the stirring assembly 5 acts to slow down the descending speed of the solid waste and the waste liquid, so that accumulation is avoided, and the combustion is more sufficient; and add waste gas from first burning furnace 1 lower part, waste gas density is less, and upward flow in-process, stirring subassembly 5 effect can slow down the rising speed of waste gas, avoids piling up for the burning is more abundant.

In one embodiment, the first incinerator 1 is a cylindrical structure, and the bottom of the inner side of the cylindrical structure is provided with refractory bricks 19, and the refractory bricks 19 are arranged around the bottom to form an ash outlet. In this embodiment, the refractory bricks 19 may be surrounded to form a tapered structure with a diameter gradually decreasing from top to bottom, but it should be noted that the tapered structure is preferable for the convenience of ash discharge and is not a restrictive provision of the present invention.

In one embodiment, the stirring device comprises a stirring motor 51, a stirring shaft 52 and an impeller 53, wherein the impeller 53 is spirally arranged around the periphery of the stirring shaft 52, and the stirring shaft 52 is connected to the output end of the stirring motor 51. In this embodiment, the stirring motor 51 is operated, and the stirring shaft 52 rotates to drive the impeller 53 to rotate. The impeller 53 is spirally wound on the periphery of the stirring shaft 52 to form a multilayer structure, and falls in layers in the falling process of solid waste and waste liquid, so that the combustion is more sufficient; and the solid waste and the waste liquid can preheat and evaporate water in the descending process, thereby playing the role of an evaporation chamber. In this embodiment, the impeller 53 is a skeleton structure, and is not a whole-piece structure, and a plurality of gaps are provided on the impeller 53 to avoid blocking of combustion and evaporation.

In one embodiment, the heating assembly 6 comprises a plurality of heating pipes, which are uniformly distributed in the second incinerator 2. The raw material of the heating pipe is easily available, and the heating efficiency is controllable, but it is not a restrictive provision of the present invention, and other heating units 6 capable of increasing the temperature in the second incinerator 2 may be applied to the present invention. In one embodiment, the second incinerator 2 is communicated with an air supply fan 7. The waste gas burning needs oxygen, the air supply fan 7 supplies fresh air into the second incinerator 2, and the oxygen content in the second incinerator 2 is increased, so that the flue gas is fully burned in the second incinerator 2.

In one embodiment, the gas purification assembly 4 includes a housing 42, a solid adsorbent circulation assembly 43, and an adsorption zone 44, a desorption zone 45 and an activation zone 46 which are disposed in the housing 42, the adsorption zone 44 is communicated with the cooling and dust removing assembly 3, the adsorption zone 44 is provided with a plurality of adsorption units 47, and the desorption zone 45 is communicated with the second incinerator 2 through a desorption fan 8; the solid adsorption medium circulating assembly 43 circularly conveys the adsorption unit 47 on the closed routes of the adsorption zone 44, the desorption zone 45, the activation zone 46 and the adsorption zone 44. In the adsorption zone 44, the adsorption unit 47 adsorbs VOC to purify the cooled and dedusted gas; when the adsorption unit 47 is saturated, the adsorption unit moves to the desorption area 45 under the action of the solid adsorption medium circulation component 43 to perform VOC desorption, VOC molecules adsorbed by the adsorption unit 47 are desorbed to obtain desorption gas, and the desorption gas enters the second incinerator 2 to be combusted and decomposed; the desorbed adsorption unit 47 moves to the activation zone 46 under the action of the solid adsorption medium circulation component 43 for cooling activation, and the activated adsorption unit 47 circulates to the adsorption zone 44 under the action of the solid adsorption medium circulation component 43 for adsorption again, so that the circulation is repeated. In this embodiment, the temperature reduction assembly may be connected to the activation region 46 to reduce the temperature of the activation region 46, and the cooled and dedusted airflow may also be used as a cold source to save energy loss; wherein, the cooling subassembly of this embodiment can set up to the fan.

In one embodiment, the air outlet 21 is communicated with the desorption area 45 through the residual heat fan 9, and the desorption area 45 is also communicated with a fresh air fan 48. Specifically, the air outlet 21 is communicated with the cooling and dust removing assembly 3 through an air pipe, a tee joint is arranged on the air pipe, an inlet of the tee joint is communicated with the air outlet 21, one outlet of the tee joint is communicated with the cooling and dust removing assembly 3, and the other outlet of the tee joint is communicated with the desorption area 45 through a waste heat fan 9; so set up, this embodiment make full use of waste heat, effectively reduce the energy consumption.

In one embodiment, the adsorption unit 47 is a box-type adsorption unit 47, the box-type adsorption unit 47 includes a plurality of sets of net plates, and a cavity for filling a solid adsorption medium is disposed between adjacent net plates, and the solid adsorption medium is selected from one of molecular sieves, activated carbon, silica gel, and activated alumina. The screen plate is used for fixing a solid adsorption medium, and the size of a through hole arranged on the screen plate is required to be smaller than that of the solid adsorption medium so as to prevent leakage; solid adsorption media can fully adsorb the VOC molecule in the air, and the adsorption efficiency of various commercially available adsorbing materials single absorption is mostly less than 30%, and this embodiment adopts the circulation conveying subassembly to circulate adsorption element 47, can realize adsorbing repeatedly and burning repeatedly of VOC waste gas to improve the treatment effeciency of VOC waste gas. It should be noted that, in the present embodiment, the box-type adsorption unit 47 is adopted, and compared with the conventional rotating wheel structure, the adsorption efficiency is high, the structural strength is high, and the maintenance is simpler.

In one embodiment, the desorption zone 45 and the activation zone 46 are arranged below the adsorption zone 44 side by side, rollers rotatably connected with the housing 42 are arranged at the bottom, the upper part and the side parts of the adsorption zone 44, the desorption zone 45 and the activation zone 46, and the box-type adsorption unit 47 is connected with the housing 42 in a rolling manner through the rollers. The positions of the adsorption area 44, the desorption area 45 and the activation area 46 are arranged in this way, the structure is compact, the position arrangement is reasonable, the space of the device can be effectively saved, and the occupied volume of the device is reduced. Wherein: the rollers are arranged, the upper side surface, the lower side surface, the front side surface and the rear side surface of the box-type adsorption unit 47 are in contact with the shell 42 through the rollers, the rolling friction force is small, and the box-type adsorption unit 47 can be conveyed circularly; an insulating layer is separated between the adsorption zone 44 and the desorption zone 45 and between the adsorption zone 44 and the activation zone 46, an insulating layer is also separated between the desorption zone 45 and the activation zone 46, and a through hole for accommodating the box-type adsorption unit 47 to pass through is reserved between the desorption zone 45 and the activation zone 46. It should be noted that the drum transportation box type adsorption unit 47 is preferably provided for the purpose of simple maintenance and simple manufacturing, and is not a restrictive definition of the present invention, and any other transportation assembly capable of circulating and transporting the box type adsorption unit 47 in the adsorption zone 44, the desorption zone 45, the activation zone 46, and the adsorption zone 44 may be applied to the present invention. The adsorption time, desorption time and activation time can be set by adjusting the conveying stroke and conveying speed.

In one embodiment, the solid adsorbent circulating assembly 43 comprises a first lifting assembly 431 and a first electric push rod assembly 432 located beside the adsorption zone 44 and the desorption zone 45, the first lifting assembly 431 moves in a direction perpendicular to the movement direction of the first electric push rod assembly 432, a second lifting assembly 433 and a second electric push rod assembly 434 are located beside the adsorption zone 44 and the cooling zone, and the second lifting assembly 433 moves in a direction perpendicular to the movement direction of the second electric push rod assembly 434. The box-type adsorption unit 47 adsorbing the exhaust gas moves to the first lifting assembly 431 under the pushing action of the second electric push rod assembly 434, the first lifting assembly 431 drives the box-type adsorption unit 47 to descend to a position flush with the desorption region 45, the first electric push rod assembly 432 pushes the box-type adsorption unit 47 to the desorption region 45, the box-type adsorption unit 47 is heated and desorbed in the desorption region 45 through the heating assembly 6, meanwhile, one box-type adsorption unit 47 at the tail end of the desorption region 45 moves to the activation region 46, under the cooling action of the activation region 46, the box-type adsorption unit 47 cools down, meanwhile, one box-type adsorption unit 47 at the tail end of the activation region 46 moves to the second lifting assembly 433, the second lifting assembly 433 drives the box-type adsorption unit 47 to ascend to a position flush with the adsorption region 44, under the action of the first electric push rod assembly 432, the box-type adsorption unit 47 is pushed to the adsorption region 44, thus, the cycle of adsorption-desorption-cooling activation-re-adsorption can be formed, and repeated adsorption can be realized. The structures of the first lifting assembly 431 and the second lifting assembly 433 are not specifically limited, and lifting assemblies capable of realizing linear lifting, such as a linear module, a rack and pinion, a lead screw nut and the like, in the prior art can be applied to the present invention.

In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a be suitable for multiple incineration device of multiple danger wastes material which characterized in that, includes first burning furnace (1), second burning furnace (2), cooling dust removal subassembly (3) and gas purification subassembly (4): the first incinerator (1) is communicated with a solid waste inlet (11), a waste liquid inlet (12) and a waste gas inlet (13), a stirring assembly (5) is arranged in the first incinerator (1), the second incinerator (2) is communicated with the lower portion of the first incinerator (1), a heating assembly (6) is arranged in the second incinerator (2), a flue gas outlet (14) is formed in the top of the first incinerator (1), and the flue gas outlet (14) is communicated with the second incinerator (2); the second incinerator (2) is provided with an air outlet (21) communicated with the cooling and dedusting assembly (3), the cooling and dedusting assembly (3) is communicated with the gas purification assembly (4), and the gas purification assembly (4) is provided with a chimney (41) for discharging purified air.

2. The multiple incineration device for multiple hazardous wastes according to the claim 1, characterized in that the solid waste inlet (11) is provided with a hopper (15) and a movable partition (16) movably connected to the bottom of the hopper (15); the waste liquid inlet (12) is connected with a waste liquid input pump (17), and the waste gas inlet (13) is connected with a waste gas fan (18); the solid waste inlet (11) and the waste liquid inlet (12) are positioned at the upper part of the first incinerator (1), and the waste gas inlet (13) is positioned at the lower part of the first incinerator (1).

3. The multiple incineration device for multiple hazardous wastes according to the claim 2, characterized in that the stirring device comprises a stirring motor (51), a stirring shaft (52) and an impeller (53), the impeller (53) is spirally installed around the periphery of the stirring shaft (52), and the stirring shaft (52) is connected to the output end of the stirring motor (51).

4. Multiple incineration device for multiple hazardous wastes according to claim 1, characterized in that the heating assembly (6) comprises a plurality of groups of heating pipes, which are evenly distributed within the second incineration furnace (2).

5. Multiple incineration device for multiple hazardous wastes according to claim 4, characterized in that the second incinerator (2) is connected with an air supply fan (7).

6. The multiple incineration device for multiple hazardous wastes according to any one of the claims 1 to 5, characterized in that the gas purification assembly (4) comprises a housing (42), a solid adsorption medium circulation assembly (43), and an adsorption zone (44), a desorption zone (45) and an activation zone (46) which are arranged in the housing (42), wherein the adsorption zone (44) is communicated with the cooling and dust removing assembly (3) and the adsorption zone (44) is provided with a plurality of adsorption units (47), and the desorption zone (45) is communicated with the second incinerator (2) through a desorption fan (8); the solid adsorption medium circulating assembly (43) circularly conveys the adsorption unit (47) on the closed routes of the adsorption zone (44), the desorption zone (45), the activation zone (46) and the adsorption zone (44).

7. The multiple incineration device for multiple hazardous wastes according to claim 6, characterized in that the air outlet (21) is communicated with a desorption zone (45) through a residual heat fan (9), and the desorption zone (45) is further communicated with a fresh air fan (48).

8. The multiple incineration device for multiple hazardous wastes according to claim 6, wherein the adsorption unit (47) is a box-type adsorption unit (47), the box-type adsorption unit (47) comprises a plurality of groups of net plates, and a cavity for filling a solid adsorption medium is arranged between adjacent net plates, and the solid adsorption medium is selected from one of molecular sieves, activated carbon, silica gel and activated alumina.

9. The multiple incineration device for multiple hazardous wastes according to claim 8, characterized in that the desorption zone (45) and the activation zone (46) are arranged below the adsorption zone (44) side by side, the bottom, the upper part and the side parts of the adsorption zone (44), the desorption zone (45) and the activation zone (46) are respectively provided with a roller rotatably connected with the housing (42), and the box-type adsorption unit (47) is in rolling connection with the housing (42) through the rollers.

10. The multiple incineration device for multiple hazardous wastes according to the claim 9, characterized in that the solid adsorption medium circulation module (43) comprises a first lifting module (431) and a first electric push rod module (432) beside the adsorption zone (44) and the desorption zone (45), the first lifting module (431) moves in a direction perpendicular to the first electric push rod module (432), the adsorption zone (44) and the cooling zone are flanked by a second lifting module (433) and a second electric push rod module (434), and the second lifting module (433) moves in a direction perpendicular to the second electric push rod module (434).