CN219356225U - Device for relieving reactivity of hazardous waste - Google Patents

Abstract

The utility model relates to the technical field of solid hazardous waste treatment, and particularly discloses a device for removing the reactivity of hazardous waste, which comprises a reaction kettle, a feed inlet and a discharge outlet which are arranged on the reaction kettle, a stirring system arranged in the reaction kettle, a scraping device arranged at the bottom of the reaction kettle, a wastewater discharge port and a tail gas discharge port which are arranged on the reaction kettle, a wastewater treatment device arranged outside the wastewater discharge port, and a tail gas treatment device arranged outside the tail gas discharge port. The utility model can effectively treat the solid dangerous waste with dangerous characteristics, avoid the generation of toxic and harmful gas and cause harm to the environment and personnel health.

Description

Device for relieving reactivity of hazardous waste

Technical Field

The utility model relates to the technical field of solid hazardous waste treatment, in particular to a device for removing the reactivity of hazardous waste.

Background

The list of the national hazardous waste has the corresponding hazardous characteristics of solid hazardous waste, wherein the hazardous characteristics include toxicity, corrosiveness, flammability, infectivity and reactivity; disposal techniques for hazardous waste can be classified into pretreatment techniques and disposal techniques, wherein the hazardous waste pretreatment techniques include physical methods, chemical methods, curing/stabilization methods, and the like, and the hazardous waste disposal techniques include incineration disposal techniques, non-incineration disposal techniques, and safe landfill techniques, and the like.

The solid hazardous waste meeting any condition of explosive property, inflammable gas or toxic gas generated by contacting with water or acid or waste oxidant or organic peroxide belongs to reactive hazardous waste, and the reactive hazardous waste is preferably subjected to disposal processes such as incineration or landfill after the reactivity of the hazardous waste is eliminated by oxidation, reduction and the like.

In the prior art, the reactive hazardous waste is directly treated by adopting disposal technologies such as incineration or landfill, and the like, so that secondary environmental pollution or casualties can be caused by adopting the mode; for example, direct landfill of aluminum ash generated in the metallurgical melting process of electrolytic aluminum, cast aluminum and reclaimed aluminum will cause a large amount of toxic and harmful gases to be generated, which will tend to cause secondary environmental pollution and personal health hazard.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the device for removing the reactivity of the dangerous waste, which can effectively treat the solid dangerous waste with dangerous characteristics, avoid the generation of toxic and harmful gas and cause harm to the environment and personnel health;

the utility model solves the technical problems by adopting the following solution:

the utility model provides a remove device of dangerous waste reactivity, includes reation kettle, feed inlet and the discharge gate of setting on reation kettle, be located the stirring system of reation kettle, install at the scraping device of reation kettle bottom, set up waste water discharge port and tail gas emission mouth on reation kettle, set up the waste water treatment device in the waste water discharge mouth outside, set up the tail gas treatment device in the tail gas emission mouth outside.

In some of the possible embodiments of the present utility model,

the waste water check valve and the filter screen are arranged in the reaction kettle and correspond to the tail gas discharge port, and the filter screen is arranged between the waste water check valve and the waste gas discharge port.

In some of the possible embodiments of the present utility model,

and a gas monitoring device and a gas check valve are arranged between the exhaust gas discharge port and the exhaust gas treatment device, and the gas check valve is positioned between the gas monitoring device and the exhaust gas treatment device.

In some of the possible embodiments of the present utility model,

the feed inlet includes a solid hazardous waste feed inlet and a liquid feed inlet.

In some of the possible embodiments of the present utility model,

a waste check valve is arranged on the solid hazardous waste feed inlet; a liquid check valve and a flowmeter are arranged on the liquid feed inlet.

In some of the possible embodiments of the present utility model,

and a discharging sealing door is arranged on the discharging hole.

In some of the possible embodiments of the present utility model,

an anti-corrosion layer is arranged on the inner side surface of the reaction kettle.

In some of the possible embodiments of the present utility model,

a temperature control device is arranged in the reaction kettle.

In some of the possible embodiments of the present utility model,

the stirring system comprises a stirrer positioned in the reaction kettle and a motor which is arranged outside the reaction kettle and is in transmission connection with the stirrer.

In some of the possible embodiments of the present utility model,

the outside of reation kettle is provided with the removal subassembly.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the solid dangerous waste is filled into the reaction kettle, and the solid dangerous waste and the liquid are mixed and react through the effective temperature and stirring speed in the reaction kettle; judging the reaction progress through the concentration of the exhaust emission, and effectively removing the reactivity of dangerous wastes; meanwhile, waste residues, waste water and waste gas generated in the reaction process are effectively collected through a discharge port, a waste water treatment device and a tail gas treatment device respectively, so that the waste water, waste gas and waste residue generated in the treatment process are effectively ensured to be safely and environmentally-friendly treated, and secondary environmental pollution and casualties are avoided;

the utility model has simple structure and strong practicability.

Drawings

FIG. 1 is an axial view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a side view of the present utility model;

FIG. 4 is a top view of the present utility model;

wherein: 10. a reaction kettle; 1. a solid dangerous material feed port; 2. a liquid feed port; 3. a motor; 4. a stirrer; 5. a discharging sealing door; 6. a scraping device; 7. a waste water discharge port; 8. and a tail gas discharge port.

Detailed Description

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. Reference to "first," "second," and similar terms in this application does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes an association relationship of an association object, which means that there may be three relationships, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" means two or more. For example, a plurality of positioning posts refers to two or more positioning posts. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The present utility model will be described in detail below.

As shown in fig. 1-4:

the utility model provides a remove device of dangerous waste reactivity, includes mobilizable reation kettle 10, feed inlet and the discharge gate of setting on reation kettle 10, be located the stirring system of reation kettle 10, install the scraping device 6 in reation kettle 10 bottom, set up waste water discharge port 7 and tail gas discharge port 8 on reation kettle 10, set up the waste water treatment facilities in waste water discharge port 7 outside, set up the tail gas treatment facilities in the tail gas discharge port 8 outside.

When in use, the reaction kettle 10 can be moved to a designated position according to the use requirement, and is connected with a wastewater treatment device and a tail gas treatment device;

during treatment, solid dangerous waste and liquid capable of decomposing the solid dangerous waste are conveyed into the reaction kettle 10 through the feed inlet, and the liquid and the solid dangerous material are subjected to chemical reaction under the stirring of the stirring system, so that the solid dangerous waste is decomposed; the tail gas generated after the reaction enters a tail gas treatment device for treatment, the generated waste water enters a waste water treatment device for retreatment, and the generated waste residue is discharged from a discharge hole; the safe and environment-friendly treatment of the wastewater, the waste gas and the waste residue generated in the treatment process is effectively realized, and secondary environmental pollution and casualties are avoided.

Preferably, the exhaust gas discharge port is provided at the top of the reaction vessel 10.

In some of the possible embodiments of the present utility model,

a waste water check valve and a filter screen are arranged in the reaction kettle 10 and correspond to the tail gas discharge port 8, and the filter screen is arranged between the waste water check valve and the waste gas discharge port 7.

By adopting the arrangement, the wastewater generated after the reaction can only be discharged in one direction, and the filter screen filters impurities in the wastewater and enters the wastewater treatment device along with the wastewater;

in some possible embodiments, in order to effectively detect the gas generated by the reaction, the reaction progress is monitored in real time by using gas emission detection data, and the discharge time after the reaction is accurately controlled;

a gas monitoring device and a gas check valve are arranged between the exhaust gas outlet 8 and the exhaust gas treatment device, and the gas check valve is positioned between the gas monitoring device and the exhaust gas treatment device.

The arrangement of the gas check valve can only discharge the tail gas and enter the tail gas treatment device.

In some possible embodiments, in order to effectively achieve the entry of solid hazardous waste and liquids into the reaction kettle 10;

the feed inlets comprise a solid hazardous waste feed inlet 1 and a liquid feed inlet 2.

In some of the possible embodiments of the present utility model,

a waste check valve is arranged on the solid hazardous waste feed inlet 1, and the waste check valve effectively realizes that the solid hazardous waste cannot be pumped out of the reaction kettle 10; a liquid check valve and a flowmeter are arranged on the liquid feed inlet 2; the liquid check valve can avoid the backflow of liquid; the flow meter can effectively adjust the feeding flow of the liquid, so that the reaction progress of the solid dangerous waste and the liquid can be effectively adjusted; preferably, the flow meter is an electromagnetic flow meter.

In some of the possible embodiments of the present utility model,

and a discharging sealing door 5 is arranged on the discharging hole. The discharge sealing wind is arranged to ensure that the inside of the reaction kettle 10 can react normally; only after the waste water and the waste gas are discharged, the discharging sealing door 5 can be opened to discharge the waste residue from the discharging hole. When overhauling, the discharging sealing door 5 is opened, and the discharging hole is used as an overhauling hole, so that overhauling personnel can enter the inside of the reaction kettle 10 for overhauling;

further, the discharge hole is matched with the discharge sealing door in a sealing way, so that waste liquid and waste gas generated during reaction are prevented from leaking.

In some of the possible embodiments of the present utility model,

an anti-corrosion layer is arranged on the inner side surface of the reaction kettle 10, and is preferably a polytetrafluoroethylene layer. The arrangement of the anti-corrosion layer can effectively avoid the corrosion of the reaction kettle 10, so as to prolong the service life of the reaction kettle 10.

In some possible embodiments, to effectively achieve control of the temperature within the reactor 10;

a temperature control device is arranged in the reaction kettle 10, so that the temperature inside the reaction kettle 10 can be controlled in real time.

In some possible embodiments, to effectively enable the solid hazardous waste to react adequately with the liquid;

the stirring system comprises a stirrer 4 positioned in the reaction kettle 10 and a motor 3 which is arranged outside the reaction kettle 10 and is in transmission connection with the stirrer 4.

Before use, the discharging sealing door 5 and the waste water check valve are closed, the tail gas check valve is opened, after liquid enters the reaction kettle 10 through the liquid feed inlet 2, solid dangerous waste is introduced into the reaction kettle 10 through the solid dangerous waste feed inlet 1, and meanwhile, the stirring system is started, so that full contact reaction between the solid dangerous waste and the liquid is realized through the stirrer 4, and the removal of the reactivity of the dangerous waste is realized;

when no reaction gas is generated at the tail gas discharge port 8, the tail gas discharge port 8 is closed, the waste water discharge port 7 is opened, the reaction waste water is discharged, and after the waste water is discharged, the device bottom scraping device 6 and the automatic discharging sealing door 5 are started to discharge the reaction waste residue.

The utility model discloses a scraping device 6, a stirrer 4 and a motor 3; the temperature control device and the gas monitoring device are all in the prior art, the internal structure of the temperature control device and the gas monitoring device is not described in detail here, and the temperature control device and the gas monitoring device can be directly purchased and assembled on the market.

The utility model is not limited to the specific embodiments described above. The utility model extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.

Claims (10)

1. The utility model provides a remove device of dangerous waste reactivity, its characterized in that, includes reation kettle, feed inlet and the discharge gate of setting on reation kettle, be located the stirring system of reation kettle, install at the scraping device of reation kettle bottom, set up waste water discharge port and tail gas discharge port on reation kettle, set up the waste water treatment device in the waste water discharge port outside, set up the tail gas treatment device in the tail gas discharge port outside.

2. The apparatus for removing reactivity of hazardous waste according to claim 1, wherein a waste water check valve and a filter screen are provided in the reaction vessel corresponding to the exhaust gas discharge port, the filter screen being provided between the waste water check valve and the waste water discharge port.

3. The apparatus for removing hazardous waste reactivity according to claim 1, wherein a gas monitoring device and a gas check valve are provided between the exhaust gas discharge port and the exhaust gas treatment device, and the gas check valve is located between the gas monitoring device and the exhaust gas treatment device.

4. The apparatus for removing hazardous waste reactivity according to claim 1, wherein the feed port includes a solid hazardous waste feed port and a liquid feed port.

5. The apparatus for removing hazardous waste reactivity according to claim 4, wherein a waste check valve is provided at the solid hazardous waste feed port; a liquid check valve and a flowmeter are arranged on the liquid feed inlet.

6. A device for removing hazardous waste reactivity according to any one of claims 1-5 and wherein a discharge sealing door is provided on the discharge port.

7. A device for removing hazardous waste reactivity according to any of claims 1-5, wherein an anti-corrosive layer is provided on the inside of the reactor.

8. The apparatus for removing reactivity of hazardous waste according to claim 6, wherein a temperature control device is provided in the reaction kettle.

9. The apparatus for removing hazardous waste reactivity according to claim 8, wherein the stirring system includes a stirrer located inside the reaction vessel, and a motor installed outside the reaction vessel and drivingly connected to the stirrer.

10. The apparatus for removing reactivity of hazardous waste according to claim 1, wherein a moving assembly is provided at an outer side of the reaction vessel.