System for treating hazardous waste of contaminated substances by utilizing cracking furnace
Technical Field
The utility model belongs to the technical field of be infected with the useless processing of thing danger, concretely relates to utilize pyrolysis furnace to deal with the useless system of being infected with thing danger.
Background
In the conventional waste treatment system at present, hazardous waste contaminated with substances is crushed, transferred to a solid waste storage pit, tempered by a mixer and pumped into a cement kiln decomposing furnace for incineration disposal, and the disposal capacity of the scheme is not too large, so that the disposal capacity of an SMP system is easily influenced due to blockage of a pumping system. Adopt the pyrolysis furnace to burn the processing waste material earlier, later leading-in dore furnace again belongs to better implementation scheme, but because deposit the dangerous useless and relevant equipment of contamination class in the storage storehouse because pile up more contamination class danger useless, can produce great foul smell, if do not do relevant deodorization measure, can influence the environment in the storage storehouse. In addition, if the buffer storage and cooling treatment are not carried out at the bottom end of the cracking furnace, the subsequent transfer treatment is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the technical problem who exists among the prior art. Therefore, the utility model provides an utilize pyrolysis furnace to deal with the useless system of being infected with class danger, the purpose is convenient for take the foul smell in the storage silo out the processing, and the direction pyrolysis furnace incineration disposal of the waste material of being convenient for simultaneously.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
The utility model provides an utilize pyrolysis furnace to deal with useless system of staining class danger, includes the storage storehouse, locates storage pit and grab bucket bridge crane in the storage storehouse, the system still includes the useless feeder hopper of broken staining class danger, dispenser, residue buffering storehouse and is used for taking out the foul smell in the storage storehouse and carries out deodorant deodorization mechanism, the useless feeder hopper of broken staining class danger passes through the dispenser and is connected with the feed inlet of pyrolysis furnace, the residue buffering storehouse is connected with the bottom discharge gate of pyrolysis furnace.
The deodorization mechanism comprises an air inlet pipe, an adsorption tank, an air outlet pipe and a first fan, wherein the air inlet of the adsorption tank is connected with the air outlet of the storage warehouse through the air inlet pipe, and the air outlet of the adsorption tank is connected with the first fan through the air outlet pipe.
The deodorization mechanism also comprises a discharge conveyor arranged at the bottom of the adsorption box.
The system also comprises a buffer material sealing cavity arranged between the broken and contaminated material dangerous waste feed hopper and the feeder.
the system also comprises a second fan used for blowing air to the residue caching bin for cooling.
The system also comprises a slag conveyor arranged at the bottom of the residue buffer bin.
And a water seal groove is arranged at the slag feeding end of the slag conveyor.
The system also includes a third blower for blowing air into the furnace.
The system also comprises a contaminated matter dangerous waste crushing mechanism for crushing contaminated matter dangerous waste and a conveying and leading-out mechanism for conveying the crushed contaminated matter dangerous waste to the storage pit.
The utility model has the advantages that: the utility model discloses a system is convenient for take the foul smell in the storage storehouse out and handle through the setting of deodorization mechanism, will be broken the leading-in broken contaminated articles class danger waste material fill of contaminated articles class danger through the grab bucket, later burn in the leading-in pyrolysis furnace of buffer memory material seal chamber, forced feeder in proper order, and pyrolysis furnace exhaust residue is carried after the cooling and is shifted away to the transfer car (buggy). The whole system is reasonable in structural layout, and hazardous waste disposal of the contaminated substances is effectively carried out.
Drawings
The description includes the following figures, the contents shown are respectively:
Fig. 1 is a schematic diagram of the overall system structure of the present invention;
Fig. 2 is a partially enlarged view of fig. 1.
Labeled as:
1. storage silo, 2, storage pit, 3, grab bucket bridge crane, 4, broken contaminated material class danger feeder hopper, 5, feeder, 6, pyrolysis furnace, 7, residue buffer storage bin, 8, decomposing furnace, 9, intake pipe, 10, adsorption tank, 11, outlet duct, 12, first fan, 13, unloading conveyer, 14, buffer storage material seal chamber, 15, second fan, 16, sediment conveying machine, 17, water seal tank, 18, third machine, 19, contaminated material class danger breaker, 20, the wastes material feeder hopper, 21, carry derivation mechanism, 22, discharge door, 23, the district of unloading.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.
As shown in fig. 1-2, a system for treating hazardous waste of contaminants by using a cracking furnace, comprises a storage warehouse 1, a storage pit 2 and a grab bucket bridge crane 3 which are arranged in the storage warehouse 1, the system for treating hazardous waste of contaminants by using the cracking furnace further comprises a broken hazardous waste feed hopper 4 of contaminants, a feeder 5, a cracking furnace 6, a residue buffer bin 7 and a deodorizing mechanism for extracting odor in the storage warehouse 1 for deodorization, the broken hazardous waste feed hopper 4 of contaminants is connected with a feed inlet of the cracking furnace 6 through the feeder 5, and the residue buffer bin 7 is connected with a bottom discharge outlet of the cracking furnace 6. In the system, the odor in the storage warehouse is conveniently pumped out for treatment through the arrangement of the deodorization mechanism; carrying useless to the useless feeder hopper of broken contamination class danger through the grab bucket among the grab bucket bridge crane, later adding the pyrolysis furnace through the dispenser and carrying out incineration disposal in, the import residue buffer bin of residue through bottom discharge gate that obtains after the incineration disposal. The top of the cracking furnace is also provided with a flue gas outlet, waste is pyrolyzed, gasified and incinerated in the cracking furnace, waste gas generated by gasification is sent to the cement kiln decomposing furnace 8 through a flue gas pipeline for further incineration and disposal, the retention time of the flue gas in the cement kiln decomposing furnace exceeds 2 seconds, the incineration temperature is about 1100 ℃, the gas turbulence degree is high, and the generation of dioxin is avoided. Meanwhile, the decomposing furnace is in an alkaline environment, so that the acid gas is effectively inhibited.
The deodorization mechanism comprises an air inlet pipe 9, an adsorption tank 10, an air outlet pipe 11 and a first fan 12, wherein an air inlet of the adsorption tank 10 is connected with an air outlet of the storage warehouse 1 through the air inlet pipe 9, and an air outlet of the adsorption tank 10 is connected with the first fan 12 through the air outlet pipe 11. Specifically, the first fan adopts a suction fan, under the action of the suction fan, odor in the storage warehouse is led into the adsorption box through the air inlet pipe, the odor is deodorized under the action of activated carbon in the adsorption box, and the deodorized gas is discharged through the air outlet of the fan. The deodorizing mechanism further includes a discharge conveyor 13 provided at the bottom of the adsorption tank 10. When the active carbon is adsorbed for a period of time and the deodorization effect is not ideal, the active carbon is taken out and discharged to a discharging conveyor for discharging.
the system also comprises a buffer material sealing cavity 14 arranged between the broken and contaminated dangerous waste feed hopper 4 and the feeder 5. The buffer material sealing cavity plays a role in buffering dangerous waste and material sealing of broken and polluted materials, the feeder adopts a forced feeder, when the grab bucket pours the broken hazardous waste with the pollutants into the broken hazardous waste feeding hopper with the pollutants, the broken hazardous waste with the pollutants enters the buffer material sealing cavity, the outlet at the bottom of the buffer material sealing cavity is connected with the feeding hole of the forced feeder, when dangerous wastes with pollutants need to be incinerated in the cracking furnace, the wastes are incinerated in the cracking furnace through a forced feeder, the incineration temperature is about 850-1000 ℃, the furnace body is in a vertical cylindrical structure, the uniform distribution of the waste entering the furnace is realized through the rotation of the furnace body, a rotary grate is arranged in the furnace body to promote the mixing of the waste and the air, and the slag is broken by force, the coking residues after high-temperature incineration are broken into small blocks and discharged, and the broken slag is promoted to be discharged into a water seal tank at the bottom of the furnace through rotation.
In order to reduce the temperature of the scrap buffer bin, the system further comprises a second fan 15 for blowing air to the scrap buffer bin 7 for cooling. The blowing surface of the second fan faces the outer surface of the residue buffer bin, and the air cooling effect is achieved by increasing the air flow around the buffer bin.
In order to facilitate the transfer of the residues, the system also comprises a residue conveying machine 16 arranged at the bottom of the residue buffer bin 7. During operation, a slag outlet at the bottom of the residue buffer bin is opened, residues fall on the slag conveyor from the slag outlet, and then are conveyed into a hopper of the transfer trolley through the slag conveyor. In order to further facilitate the water cooling of the residue led out from the residue buffer bin, a water seal tank 17 is arranged at the slag inlet end of the slag conveyor 16. Cooling water is arranged in the water seal tank, residues led out from a residue outlet at the bottom of the residue cache bin fall onto a conveying steel belt in the water seal tank, after the slag conveyor is started, the residues on the conveying steel belt are continuously conveyed to the residue outlet obliquely above, the residue outlet is aligned with a hopper of the transfer trolley, after a certain amount of residues are loaded into the hopper, the slag conveyor is closed, and the residues are transferred away through the transfer trolley.
In the system, air is blown into the cracking furnace 6 through the third fan 18, so that oxygen is conveniently supplemented for the cracking furnace, and better incineration treatment is facilitated.
In order to facilitate the sustainable treatment of waste in the whole system, the system further comprises a hazardous waste crushing mechanism for crushing hazardous waste of the contaminated materials and a conveying and leading-out mechanism for conveying the crushed hazardous waste of the contaminated materials to the storage pit. Specifically, an area 23 for discharging hazardous waste of contaminants is provided, a discharging area is provided with a discharging door 22, and a mechanism for crushing hazardous waste of contaminants and a conveying and leading-out mechanism 21 are provided in the area for discharging hazardous waste of contaminants, wherein the mechanism for crushing hazardous waste of contaminants comprises a crusher 19 for hazardous waste of contaminants and a waste feeding hopper 20 arranged on the crusher. Carry derivation mechanism and can adopt screw conveyer or steel band conveyer etc. to be stained with the useless leading-in waste material feeder hopper that is stained with class danger of class, later follow the waste material feeder hopper and get into the useless breaker of stained with class danger and carry out breakage, on the useless through export direction screw conveyer or steel band conveyer of being stained with class danger after the breakage, open the discharge door, through the transport effect direction storage pit of conveyer.
The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.