CN216384242U

CN216384242U - Flue gas purification treatment equipment for hazardous waste incineration

Info

Publication number: CN216384242U
Application number: CN202122720122.6U
Authority: CN
Inventors: 蒋健良
Original assignee: Jiangsu Aoli Environmental Protection Technology Co ltd
Current assignee: Jiangsu Aoli Environmental Protection Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-26
Anticipated expiration: 2031-11-08

Abstract

The application provides a danger is flue gas purification treatment facility for waste incineration belongs to flue gas purification treatment technical field. This danger is flue gas purification treatment equipment for waste incineration, including heat sink and desulphurization unit. Desulphurization unit is including a jar body II, lime slurry pond, water supply component II, atomizer, linking pipeline II, washing subassembly and the pipeline of giving vent to anger, jar body II is located lime slurry pond top, the both sides of jar body II respectively with link pipeline II with the pipeline intercommunication of giving vent to anger, link up and be equipped with aspiration pump II on the pipeline II, link up pipeline I with link up and be connected with the sack cleaner between the pipeline II jointly. In the application, the desulfurization device is used for removing acid substances such as sulfur dioxide in flue gas.

Description

Flue gas purification treatment equipment for hazardous waste incineration

Technical Field

The application relates to a gas cleaning handles the field, particularly, relates to a danger is flue gas cleaning treatment facility for waste incineration.

Background

In the process of burning the hazardous waste, due to the action of high-temperature thermal decomposition and oxidation, the volume and the granularity of a burning substance and a product thereof are reduced, most of incombustibles in the hazardous waste are retained on a fire grate and discharged in the form of slag, and a small part of substances with small mass and light weight rise in a hearth together with high-temperature gas generated by burning under the action of air flow carrying and thermophoresis force and are discharged from an outlet of a boiler after heat exchange to form a flue gas flow containing particulate matters, namely fly ash. Wherein the smoke dust has fine particles and low density, and contains various acid gases and water. In the prior art, most of the dust removing devices only aim at removing smoke dust with fine particles and small density, and a small part of the dust removing and the desulfuration are available, but most of the dust removing and the desulfuration are not provided with cleaning assemblies or the cleaning assemblies have poor cleaning effect, so that the service life of the device is shortened, and the desulfuration effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the application provides a danger is flue gas purification treatment facility for waste incineration, aims at improving because of desulphurization unit lacks the problem that the clearance subassembly or clearance effect is not good and lead to device life-span to step down, desulfurization effect worsen.

The embodiment of the application provides a danger is flue gas purification treatment facility for waste incineration, including heat sink and desulphurization unit.

The cooling device comprises a tank body I, a water storage tank, a filter screen, a water supply component I, a high-pressure spray nozzle, an air inlet pipeline and a linking pipeline I, wherein the tank body I is arranged at the top of the water storage tank, the two sides of the tank body I are respectively communicated with the air inlet pipeline and the linking pipeline I, an air suction pump I is arranged on the linking pipeline I, the filter screen is arranged at one side, close to the air inlet pipeline, in the tank body I, the water supply component I comprises a water suction pump I, an air inlet pipe I and an air outlet pipe I, a water inlet port and a water outlet port of the water suction pump I are respectively communicated with one ends of the water inlet pipe I and the air outlet pipe I, the other end of the water inlet pipe I penetrates through the side wall of the water storage tank and extends to the inner bottom of the water storage tank, the other end of the air outlet pipe I penetrates through the top wall of the tank body I and extends to the inner part of the tank body I, the high-pressure spray nozzle is arranged at the inner top of the tank body I, the high-pressure spray head is fixedly connected with the other end of the water outlet pipe I, the desulfurization device comprises a tank body II, a lime slurry tank, a water supply assembly II, atomizing spray heads, a connecting pipeline II, a cleaning assembly and a gas outlet pipeline, the tank body II is positioned above the lime slurry tank, two sides of the tank body II are respectively communicated with the connecting pipeline II and the gas outlet pipeline, an air suction pump II is arranged on the connecting pipeline II, a bag-type dust remover is commonly connected between the connecting pipeline I and the connecting pipeline II, the water supply assembly II comprises a water suction pump II, a water inlet pipe II and a water outlet pipe II, opposite ends of the water inlet pipe II and the water outlet pipe II are respectively communicated with a water inlet port and a water outlet port of the water suction pump II, the other end of the water inlet pipe II is arranged at the bottom in the lime slurry tank, and four atomizing spray heads are arranged at the top in the tank body II, and each atomizing nozzle is fixedly connected with the other end of the water outlet pipe II.

In the implementation process, flue gas enters a tank body I from an air inlet pipeline, the flue gas passes through a filter screen under the action of an air suction pump I on a connecting pipeline I, large-particle smoke dust is filtered, a water supply assembly I supplies water to a high-pressure nozzle, the flue gas is rapidly cooled after contacting water sprayed by the high-pressure nozzle so as to avoid fatal damage to a filter bag in the filter bag after entering the bag-type dust collector in the next step, the flue gas enters the bag-type dust collector through the connecting pipeline I after being cooled, the bag-type dust collector is the prior art and is not repeated, the flue gas filters small-particle smoke dust under the action of the bag-type dust collector, then the flue gas enters a tank body II under the action of an air suction pump II arranged on the connecting pipeline II, the water supply assembly II provides lime slurry from a lime slurry pool for an atomizing nozzle, and the lime slurry is sprayed by the atomizing nozzle and reacts with acidic substance sulfur dioxide and the like in the flue gas, generate material such as calcium sulfate, the flue gas is through the desulfurization back, from the pipeline discharge of giving vent to anger, and at this in-process, the organic matter that contains the peculiar smell in the flue gas can be got rid of to the terminal active carbon filter screen of the pipeline of giving vent to anger, when needs clearance, opens the access door, clears up jar body I and jar inside of body II, jar body II need install on the bull stick scraping when the clearance.

In a specific embodiment, the tank body I and the tank body II are both provided with access doors.

In the above-mentioned realization process, the access door is all seted up in the positive surface, and after the access door was opened to jar body I, can change the filter screen and clear up the inside dirt of jar body I, jar body II can install, dismantle and scrape pole and cleaning brush after opening the access door.

In a specific embodiment, jar body I with jar body II bottoms have all link up and have seted up drainage pipe, and all install the valve on the drainage pipe.

In the implementation process, when the accumulated water in the tank body I and the tank body II reaches a certain amount, the valve is opened, and the accumulated water is discharged by utilizing the drainage pipeline.

In a specific embodiment, wash the subassembly and include motor, driving gear, driven gear, pivot, bull stick, scrape pole, cleaning brush and mount, the motor is fixed in outer wall on jar body II, the driving gear with the output shaft fixed connection of motor, driven gear is fixed in the pivot top, just the driving gear with driven gear intermeshing.

In the implementation process, the output end of the motor rotates to drive the rotation of the rotating shaft through the driving gear and the driven gear which are meshed with each other, and the rotating shaft is fixedly connected with the rotating rod, so that the rotating rod rotates to clean the inner walls of the tank body II.

In a specific embodiment, the landing leg bottom that the mount was taken certainly all is fixed in II upper surfaces of the jar body, the pivot is arranged in the bearing on the mount, the pivot run through in II top lateral walls of the jar body and extend to inside it, pivot and below bull stick fixed connection, bull stick upper portion is the plate circle, and the lower part is the heliciform, the bull stick end is fixed with the scraper blade.

In the above-mentioned realization process, the mount bottom is realized through mated bolt and nut and is fixed with jar body II, and the pivot is fixed at suitable height through the mount, and the convenient all-round II inner walls of the clearance jar body of heliciform are set to the bull stick below, and the terminal scraper blade of bull stick is used for clearing up the dead angle.

In a specific embodiment, one end of the scraping rod is provided with an external thread, the other end of the scraping rod is arranged in a sharp mouth shape, an internal thread is arranged on the outer wall of the spiral part of the rotating rod, and the scraping rod is matched with the internal thread through the external thread and the internal thread to be fixed with the rotating rod.

In the implementation process, the scraping rod is fixed with the rotating rod in a screwing mode, the installation and the disassembly are convenient, when the tank body II is used for desulfurizing gas, the scraping rod is taken down, in the desulfurization process, alkaline lime slurry and acidic gas sulfur dioxide can generate calcium sulfate, the calcium sulfate is easy to form scale on the inner wall of the tank body II, when the cleaning is needed, the maintenance door is opened to install the scraping rod, and the other end of the scraping rod is arranged to be in a sharp-nose shape and used for scraping the scale on the inner wall of the tank body II.

In a specific implementation scheme, a round hole I is formed in one end, close to the sharp mouth, of the scraping rod, a nut is fixed on the scraping rod and is provided with a screw matched with the nut, the nut is located below the round hole I, and the diameter of a handle of the cleaning brush is smaller than that of the round hole I.

In a specific implementation scheme, the tail end of the handle of cleaning brush place itself runs through and has seted up round hole II, and the diameter of round hole II is greater than the diameter of screw nail body, the handle of cleaning brush place itself is arranged in round hole I, the cleaning brush pass through the cooperation of screw and nut realize with scrape the fixed of pole.

In above-mentioned realization in-process, insert the cleaning brush in round hole I, the adjustment position lets the screw pass round hole II and is fixed in the nut, fixes the cleaning brush on scraping the pole, does benefit to the bull stick and washs the effect of II inner walls of the brush clearance jar body when rotatory better, when wasing, can arrange the end of inlet tube II in the clear water, atomizer blowout clear water for the cleaning brush washs the inner wall.

In a specific embodiment, the tail end of the air outlet pipeline is provided with an activated carbon filter screen.

In the implementation process, the active carbon filter screen at the tail end of the air outlet pipeline can filter out organic matters containing peculiar smell in the tail gas, and the active carbon filter screen is arranged at the tail end and is beneficial to replacement.

In a specific embodiment, the water outlet pipe II is divided into two water pipes at the top of the tank body II, and the tail end of each water pipe is connected with two atomizing nozzles.

In the above-mentioned realization in-process, II outlet pipes set up the composition flow tube, vacate the space for pivot and mount, and simultaneously, the setting up of a plurality of atomizer makes lime thick liquid better with gas contact effect.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic sectional view of a flue gas purification treatment device for hazardous waste incineration according to an embodiment of the present disclosure;

FIG. 2 is a schematic front view of a flue gas purification treatment device for hazardous waste incineration according to an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of a desulfurization device according to an embodiment of the present disclosure;

FIG. 4 is a schematic top view of a tank II according to an embodiment of the present disclosure;

FIG. 5 is a schematic side view showing the construction of a scraping bar and a washing brush according to an embodiment of the present application;

fig. 6 is a schematic top view of a scraper bar according to an embodiment of the present disclosure.

In the figure: 10-a cooling device; 110-tank I; 120-a water storage tank; 130-a filter screen; 140-water supply component I; 141-a water pump I; 142-water inlet pipe I; 143-outlet pipe I; 150-high pressure showerhead; 160-an air inlet duct; 170-connecting the pipeline I; 20-a desulfurization unit; 210-tank II; 220-lime mud tank; 230-water supply component II; 231-a water pump II; 232-water inlet pipe II; 233-water outlet pipe II; 240-atomizer; 250-joining the pipeline II; 260-cleaning the component; 261-a motor; 262-a drive gear; 263-driven gear; 264-shaft; 265-rotating rod; 266-a scraping bar; 267-cleaning brushes; 268-a mount; 270-air outlet pipe.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of 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, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1 to 6, the present application provides a flue gas purification treatment device for hazardous waste incineration, which includes a temperature reduction device 10 and a desulfurization device 20.

The cooling device 10 is used for filtering large-particle smoke dust in the smoke and cooling the smoke; the desulfurizer 20 is used for removing acidic substances such as sulfur dioxide in flue gas.

The cooling device 10 comprises a tank body I110, a water storage tank 120, a filter screen 130, a water supply component I140, a high-pressure nozzle 150, an air inlet pipeline 160 and a connecting pipeline I170, wherein the tank body I110 is arranged at the top of the water storage tank 120, two sides of the tank body I110 are respectively communicated with the air inlet pipeline 160 and the connecting pipeline I170, an air suction pump I is arranged on the connecting pipeline I170, the filter screen 130 is arranged at one side, close to the air inlet pipeline 160, in the tank body I110, the water supply component I140 comprises a water suction pump I141, a water inlet pipe I142 and a water outlet pipe I143, a water inlet port and a water outlet port of the water suction pump I141 are respectively communicated with one end of the water inlet pipe I142 and one end of the water outlet pipe I143, the other end of the water inlet pipe I142 penetrates through the side wall of the water storage tank 120 and extends to the inner bottom of the water storage tank body 120, the other end of the water outlet pipe I143 penetrates through the top wall of the tank body I110 and extends to the inner top wall of the tank body I110, the high-pressure nozzle 150 is arranged at the inner top of the tank body I110, the high-pressure spray nozzle 150 is fixedly connected with the other end of the water outlet pipe I143, the desulphurization device 20 comprises a tank body II 210, a lime slurry pool 220, a water supply component II 230 and an atomizing spray nozzle 240, linking pipe II 250, washing subassembly 260 and air outlet pipe 270, jar body II 210 is located lime mud pond 220 top, the both sides of jar body II 210 communicate with linking pipe II 250 and air outlet pipe 270 respectively, be equipped with aspiration pump II on linking pipe II 250, link and be connected with the sack cleaner jointly between I170 of pipeline and linking pipe II 250, water supply subassembly II 230 includes suction pump II 231, inlet tube II 232 and outlet pipe II 233, the looks remote site of inlet tube II 232 and outlet pipe II 233 communicates respectively to the intake and the play water port that II 231 of suction pump was taken, the bottom in lime mud pond 220 is placed in to the other end of inlet tube II 232, the top is equipped with four atomizer 240 in jar body II 210, and every atomizer 240 all with the II 233 other end fixed connection of outlet pipe.

When specifically setting up, access door has all been seted up to jar body I110 and jar body II 210, and wherein, access door all sets up in the front surface, and after access door was opened to jar body I110, can change filter screen 130 and clear up the inside dirt of jar body I110, after access door was opened to jar body II 210, can install, dismantle scraper 266 and cleaning brush 267.

When specifically setting up, the bottom of jar body I110 and jar body II 210 has all link up and has seted up drainage pipe, and all installs the valve on the drainage pipe, wherein, when the ponding of the inside of jar body I110 and jar body II 210 reaches a certain amount, opens the valve, utilizes drainage pipe to discharge ponding.

When the cleaning assembly 260 is specifically arranged, the cleaning assembly comprises a motor 261, a driving gear 262, a driven gear 263, a rotating shaft 264, a rotating rod 265, a scraping rod 266, a cleaning brush 267 and a fixing frame 268, the motor 261 is fixed on the upper outer wall of the tank II 210, the driving gear 262 is fixedly connected with an output shaft of the motor 261, the driven gear 263 is fixed at the top end of the rotating shaft 264, the driving gear 262 is meshed with the driven gear 263, the output end of the motor 261 rotates to drive the rotating shaft 264 to rotate through the driving gear 262 and the driven gear 263 which are meshed with each other, the rotating shaft 264 is fixedly connected with the rotating rod 265, and therefore the rotating rod 265 rotates to clean the inner wall of the tank II 210.

When specifically setting up, the landing leg bottom that mount 268 is from being taken all is fixed in jar II 210 upper surface of body, pivot 264 is arranged in the bearing on mount 268, pivot 264 runs through in jar II 210 top lateral wall and extends to inside, pivot 264 and bull stick 265 fixed connection of below, bull stick 265 upper portion is the dish circle, the lower part is the heliciform, bull stick 265 end is fixed with the scraper blade, wherein, mount 268 bottom realizes fixing with jar II 210 through mated bolt and nut, pivot 264 is fixed at suitable height through mount 268, bull stick 265 below sets up the convenient all-round clearance jar of II 210 inner walls of body of heliciform, the scraper blade at bull stick 265 end is used for clearing up the dead angle.

When the desulfurization cleaning device is specifically arranged, one end of the scraping rod 266 is provided with an external thread, the other end of the scraping rod 266 is in a sharp-mouth shape, an internal thread is arranged on the outer wall of the spiral part of the rotating rod 265, the scraping rod 266 is fixed with the rotating rod 265 through the matching of the external thread and the internal thread, wherein the scraping rod 266 is fixed with the rotating rod 265 through a screwing mode, the mounting and the dismounting are convenient, when the tank body II 210 is used for desulfurizing gas, the scraping rod 266 is taken down, in the desulfurization process, alkaline lime slurry and acidic gas sulfur dioxide can generate calcium sulfate, the calcium sulfate is easy to form scale on the inner wall of the tank body II 210, when the cleaning is needed, an access door is opened to mount the scraping rod 266, and the other end of the scraping rod 266 is in a sharp-mouth shape and is used for scraping the scale on the inner wall of the tank body II 210.

When the cleaning brush is specifically arranged, one end of the scraping rod 266 close to the sharp mouth is provided with a round hole I, a nut is fixed on the scraping rod 266 and is provided with a screw matched with the nut, the nut is positioned below the round hole I, the diameter of a handle of the cleaning brush 267 is smaller than that of the round hole I, the tail end of the handle of the cleaning brush 267 penetrates through the round hole II, the diameter of the round hole II is larger than that of a screw nail body, the handle of the cleaning brush 267 is arranged in the round hole I, the cleaning brush 267 is fixed with the scraping rod 266 through the matching of the screw and the nut, wherein the cleaning brush 267 is inserted into the round hole I, the position is adjusted to ensure that the screw penetrates through the round hole II to be fixed in the nut, the cleaning brush 267 is fixed on the scraping rod 266, the effect of cleaning brush 267 in the process of rotating the rotating rod 265 for cleaning the inner wall of the tank body II 210 is better, the tail end of the water inlet pipe II 232 can be arranged in clean water, and the atomizing nozzle 240 sprays clean water, for cleaning the inner wall of the cleaning brush 267.

When the exhaust pipe 270 is specifically arranged, the tail end of the exhaust pipe 270 is provided with an active carbon filter screen, wherein the active carbon filter screen at the tail end of the exhaust pipe 270 can filter out organic matters containing peculiar smell in the exhaust gas, and the active carbon filter screen is arranged at the tail end and is beneficial to replacement.

When specifically setting up, outlet pipe II 233 divides into two water pipes at jar body II 210 top, and the end of every water pipe all is connected with two atomizer 240, and wherein, outlet pipe II 233 sets up the composition flow pipe, vacates the space for pivot 264 and mount 268, and simultaneously, the setting up of a plurality of atomizer 240 makes lime thick liquid and gas contact effect better.

This danger is flue gas purification treatment facility for waste incineration's theory of operation: when the dust remover is used, smoke enters the tank body I110 from the air inlet pipeline 160, the smoke passes through the filter screen 130 to filter large-particle smoke under the action of the air suction pump I on the connecting pipeline I170, the water in the water storage tank 120 reaches the high-pressure spray nozzle 150 through the water inlet pipe I142 and the water outlet pipe I143 under the action of the air suction pump I141, the smoke is rapidly cooled after contacting with the water sprayed by the high-pressure spray nozzle 150 so as to avoid fatal damage to a filter bag in the bag-type dust remover after entering the bag-type dust remover in the next step, the smoke enters the tank body II 210 after being cooled, the water suction pump II 231 is opened, lime slurry in the lime slurry tank 220 reaches the atomizing spray nozzle 240 through the water inlet pipe II 232 and the water outlet pipe II 233 under the action of the bag-type dust remover, so that repeated description is avoided, the lime slurry sprayed by the atomizing nozzle 240 reacts with acidic substance sulfur dioxide and the like in the flue gas to generate substances such as calcium sulfate, the flue gas is desulfurized and then discharged from the gas outlet pipeline 270, in the process, organic matters containing peculiar smell in the flue gas can be removed by an activated carbon filter screen at the tail end of the gas outlet pipeline 270, when the flue gas needs to be cleaned, the access door is opened to clean the interiors of the tank body I110 and the tank body II 210, the scraping rod 266 needs to be installed on the rotating rod 265 when the tank body II 210 is cleaned, the rotating rod 265 is fixedly provided with the cleaning brush 267, under the rotation of the rotating rod 265, the scraping rod 266 scrapes dirt on the inner wall of the tank body II 210 in a scraping manner, and the cleaning brush 267 is responsible for cleaning the inner wall of the tank body II 210.

It should be noted that the specific model specifications of the water pump i 141, the water pump ii 231, the motor 261, the air pump i, the air pump ii, and the bag-type dust collector need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply and the principle of the pump i 141, the pump ii 231, the motor 261, the pump i, the pump ii will be clear to those skilled in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A flue gas purification treatment device for hazardous waste incineration is characterized by comprising

Temperature reduction device (10), temperature reduction device (10) is including jar body I (110), tank (120), filter screen (130), water supply assembly I (140), high pressure nozzle (150), admission line (160) and linking pipeline I (170), jar body I (110) set up in tank (120) top, the both sides of jar body I (110) respectively with admission line (160) with link up pipeline I (170) intercommunication, be equipped with aspiration pump I on linking pipeline I (170), filter screen (130) set up in jar body I (110) be close to one side of admission line (160), water supply assembly I (140) include suction pump I (141), inlet tube I (142) and outlet pipe I (143), the intake and the outlet port that suction pump I (141) was taken from place respectively with the one end intercommunication of inlet tube I (142) and outlet pipe I (143), the other end of the water inlet pipe I (142) penetrates through the side wall of the water storage tank (120) and extends to the inner bottom of the water storage tank (120), the other end of the water outlet pipe I (143) penetrates through the top wall of the tank body I (110) and extends into the tank body I (110), the high-pressure spray head (150) is arranged at the inner top of the tank body I (110), and the high-pressure spray head (150) is fixedly connected with the other end of the water outlet pipe I (143);

the desulfurization device (20), the desulfurization device (20) includes a tank body II (210), a lime slurry pool (220), a water supply component II (230), an atomizing spray head (240), a connecting pipeline II (250), a cleaning component (260) and an air outlet pipeline (270), the tank body II (210) is located above the lime slurry pool (220), two sides of the tank body II (210) are respectively communicated with the connecting pipeline II (250) and the air outlet pipeline (270), an air suction pump II is arranged on the connecting pipeline II (250), a bag-type dust remover is commonly connected between the connecting pipeline I (170) and the connecting pipeline II (250), the water supply component II (230) includes a water suction pump II (231), a water inlet pipe II (232) and a water outlet pipe II (233), opposite ends of the water inlet pipe II (232) and the water outlet pipe II (233) are respectively communicated to water inlet and outlet ports of the water suction pump II (231), the other end of inlet tube II (232) is arranged in bottom in lime mud pond (220), the top is equipped with four atomizer (240) in jar body II (210), and every atomizer (240) all with outlet pipe II (233) other end fixed connection.

2. The hazardous waste incineration flue gas purification treatment equipment as claimed in claim 1, wherein the tank body I (110) and the tank body II (210) are both provided with access doors.

3. The hazardous waste incineration flue gas purification treatment equipment as claimed in claim 1, wherein drainage pipelines are formed at the bottoms of the tank body I (110) and the tank body II (210) in a penetrating manner, and valves are mounted on the drainage pipelines.

4. The hazardous waste incineration flue gas purification treatment device according to claim 1, wherein the cleaning assembly (260) comprises a motor (261), a driving gear (262), a driven gear (263), a rotating shaft (264), a rotating rod (265), a scraping rod (266), a cleaning brush (267) and a fixing frame (268), the motor (261) is fixed on the upper outer wall of the tank body II (210), the driving gear (262) is fixedly connected with an output shaft of the motor (261), the driven gear (263) is fixed on the top end of the rotating shaft (264), and the driving gear (262) is meshed with the driven gear (263).

5. The flue gas purification treatment equipment for dangerous waste incineration as claimed in claim 4, wherein the bottom of the supporting leg of the fixing frame (268) is fixed on the upper surface of the tank body II (210), the rotating shaft (264) is arranged in the bearing on the fixing frame (268), the rotating shaft (264) penetrates through the top side wall of the tank body II (210) and extends to the inside of the tank body II, the rotating shaft (264) is fixedly connected with the rotating rod (265) below, the upper part of the rotating rod (265) is a disc, the lower part of the rotating rod is spiral, and the tail end of the rotating rod (265) is fixed with a scraper.

6. The hazardous waste incineration flue gas purification treatment device as claimed in claim 4, wherein one end of the scraping rod (266) is provided with an external thread, the other end of the scraping rod is in a sharp mouth shape, the outer wall of the spiral part of the rotating rod (265) is provided with an internal thread, and the scraping rod (266) is fixed with the rotating rod (265) through the matching of the external thread and the internal thread.

7. The hazardous waste burns and uses gas cleaning treatment equipment according to claim 4, characterized in that, the one end of scraping pole (266) near the point mouth has seted up round hole I, be fixed with the nut on scraping pole (266), and be furnished with the screw with the nut adaptation, the nut is located round hole I below, the diameter of the handle that cleaning brush (267) was taken from is less than the diameter of round hole I.

8. The hazardous waste burns and uses gas cleaning treatment equipment according to claim 4, characterized in that, the end of the handle that cleaning brush (267) own has been seted up round hole II in the penetration, and the diameter of round hole II is greater than the diameter of screw nail body, the handle that cleaning brush (267) own is placed in round hole I, cleaning brush (267) through the cooperation realization of screw and nut with the fixed of scraping rod (266).

9. The hazardous waste incineration flue gas purification treatment device according to claim 1, wherein an activated carbon filter screen is arranged at the end of the gas outlet pipeline (270).

10. The hazardous waste incineration flue gas purification treatment device as claimed in claim 1, wherein the water outlet pipe II (233) is divided into two water pipes at the top of the tank body II (210), and the tail end of each water pipe is connected with two atomizing nozzles (240).