Hazardous waste recycling equipment
By reacting hazardous waste residue with other substances at high temperatures to produce foam glass, the problems of secondary pollution and resource utilization in hazardous waste treatment are solved, realizing the resource reuse and environmentally friendly treatment of hazardous waste.
Patent Information
- Application Number
- CN202520201353.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Fly ash and residue generated after hazardous waste treatment are still classified as hazardous waste, posing risks of excessive heavy metals and dust pollution. Solidification and landfill methods are costly and occupy land resources, making it impossible to achieve resource reuse.
The residue, fly ash, coal gangue, waste salt and lime after incineration are mixed and reacted at high temperature to produce a glassy substance. Modifiers and foaming catalysts are added, and foam glass is made by melting and foaming to solidify harmful substances and form a heat insulation material.
The problem of secondary pollution from hazardous waste has been completely solved, and the resulting foam glass material is widely used in harsh environments, realizing the resource-based reuse of hazardous waste.
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Figure CN223805012U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a hazardous waste recycling equipment. BACKGROUND
[0002] The fly ash and residue produced after hazardous waste treatment are still identified as hazardous waste because the content of heavy metals contained in them exceeds the standard and has the possibility of forming dust pollution. Although solidification landfill is identified as the maturest treatment method of the final stage at present, it is not the development trend in the future, and the main reasons are as follows:
[0003] 1. The solidification treatment cost is high, and real-time monitoring is still needed after landfill, and there is still the possibility of secondary pollution of harmful substances to the landfill environment;
[0004] 2. The hazardous waste landfill occupies a large amount of land resources of the state, and cannot realize resource recycling.
[0005] In order to completely solve this problem, the sand (or coal gangue) rich in SiO2, the residue, fly ash, industrial waste salt and lime after hazardous waste incineration can be mixed in a certain proportion, and then subjected to high temperature reaction to generate glassy substances, and then cooled and crushed, and then mixed with additives and placed in a high-temperature mold, and then subjected to high-temperature melting, expansion and foaming to form a foam glass product.
[0006] At the same time, the foam glass product is a kind of thermal insulation material with a porosity of more than 90%, which is composed of uniform pores. It has the characteristics of low thermal conductivity, corrosion resistance, aging resistance, etc., so it can be widely used in harsh environments such as heat insulation, deep cooling, underground, open air, flammable, humid and chemical corrosion. Not only can it be used as a non-combustible thermal insulation material indoors and outdoors, but also can be widely used in wall insulation, furnace insulation, petroleum, chemical industry, machine room noise reduction, highway sound insulation wall. Utility model content
[0007] The purpose of the utility model is to solve the above problems and provide a hazardous waste recycling equipment, which is described in detail below.
[0008] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0009] The utility model provides a kind of hazardous waste recycling equipment, including base, melt furnace, foaming reaction furnace and desulfurizing tower are provided on the base, the desulfurizing tower can purify waste gas discharged by foaming reaction furnace, mobile assembly is provided on the base, and mobile assembly can move along the length direction of base, batching device is installed on the mobile assembly, for different materials are mixed according to fixed proportion.
[0010] The above-mentioned hazardous waste recycling equipment is used to put the incineration generated residue, fly ash, coal gangue, waste salt and lime into the batching device according to the proportion, crush and mix the residue by the batching device, move the batching device to the top of the melt furnace by the mobile assembly, set the feeding port of the melt furnace and the foaming reaction furnace at the top, then open the valve at the bottom of the batching device, put the mixed residue into the melt furnace, melt the materials into glassy substance by the melt furnace, wait for its cooling, then put it into the batching device, add a fixed amount of modifier and foaming catalyst into the batching device, mix the modifier, foaming catalyst and glassy substance by the batching device, move the batching device to the top of the foaming reaction furnace by the mobile assembly after mixing, put the mixed materials into the mold in the foaming reaction furnace, melt the materials into foam glass by high temperature, and the waste gas in the foaming reaction furnace is discharged into the desulfurizing tower for purification.
[0011] Preferably, the mobile assembly includes two tracks and a fixed frame, the two tracks are parallel to each other and fixed on the base, and the fixed frame is rotatably provided with two track wheels on both sides.
[0012] Preferably, the batching device includes a mixer, the mixer is fixed on the fixed frame, a pulverizer is fixed on the mixer, the pulverizer corresponds to the mixer in an up-down manner, and a weighing assembly is arranged on the pulverizer.
[0013] Preferably, the weighing assembly includes a weighing machine, the weighing machine is fixed on the pulverizer, the weighing machine is rotatably connected to a hopper through a support frame at the top, an electric push rod is arranged between the hopper and the top of the weighing machine, and the two ends of the electric push rod are hingedly connected to the hopper and the top of the weighing machine, respectively.
[0014] Preferably, the foaming reaction furnace includes a shell, the shell has two independent spaces, which are a heating cavity and a heated cavity, respectively, a mold is arranged in the heated cavity for placing materials, and a burner is arranged in the heating cavity.
[0015] Preferably, the heating cavity is communicated with the melt furnace through a connecting pipe.
[0016] Preferably, the heating cavity is annular and surrounds the heated cavity.
[0017] As a preference, the heating cavity is communicated with the desulfurization tower through the connecting pipe two.
[0018] The beneficial effect is that:
[0019] The hazardous waste residues are crushed and mixed by the batching device and then put into the melting furnace, the materials are melted into glassy substances by the melting furnace, and then put into the batching device after cooling, and a fixed amount of modifier and foaming catalyst are added into the batching device, the modifier, foaming catalyst and glassy substances are mixed by the batching device and then put into the mold in the foaming reaction furnace, and the materials are melted into foam glass by high temperature, realizing waste recycling and completely solving the problem of hazardous waste pollution. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0021] Figure 1 is a front view structural schematic diagram of the present application;
[0022] Figure 2 is a three-dimensional structural schematic diagram of the present application;
[0023] Figure 3 is a three-dimensional structural schematic diagram of the weighing assembly of the present application;
[0024] Figure 4 is a three-dimensional sectional structural schematic diagram of the foaming reaction furnace of the present application.
[0025] The following is the explanation of the reference signs:
[0026] 1, base; 2, moving assembly; 3, batching device; 4, melting furnace; 5, foaming reaction furnace; 6, connecting pipe one; 7, connecting pipe two; 8, desulfurization tower; 9, track; 10, fixed frame; 11, track wheel; 12, mixer; 13, crusher; 14, weighing assembly; 15, weight indicator; 16, hopper; 17, support frame; 18, electric push rod; 19, shell; 20, heating cavity; 21, heated cavity; 22, mold; 23, burner. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model.
[0028] Referring to Figures 1-4 As shown in the utility model provides a kind of hazardous waste recycling equipment, including base 1, base 1 is provided with smelting furnace 4, foaming reaction furnace 5 and desulfurizing tower 8, desulfurizing tower 8 can purify the waste gas discharged by foaming reaction furnace 5, base 1 is provided with moving assembly 2, and moving assembly 2 can move along the length direction of base 1, moving assembly 2 is installed with batching device 3, for different materials are mixed according to fixed proportion.
[0029] As optional implementation, moving assembly 2 includes two tracks 9 and fixed frame 10, two tracks 9 are parallel to each other and are fixed on base 1, two track wheels 11 are rotatably arranged on the two sides of fixed frame 10, the track wheels 11 on the two sides of fixed frame 10 are respectively rolled on two tracks 9, and batching device 3 is conveniently moved by moving assembly 2.
[0030] Batching device 3 includes mixer 12, and the mixer 12 is fixed on the fixed frame 10, the pulverizer 13 is fixed on the mixer 12, the pulverizer 13 corresponds to the mixer 12, and the weighing assembly 14 is arranged on the pulverizer 13.
[0031] The mixer 12 and the pulverizer 13 are prior art, and the weighing assembly 14 is used to determine the measurement of each material to ensure the proportion between materials.
[0032] Weighing assembly 14 includes a weighing device 15, and the weighing device 15 is fixed on the pulverizer 13, the weighing device 15 is rotatably connected to the hopper 16 through the support frame 17 on the top, the electric push rod 18 is arranged between the hopper 16 and the top of the weighing device 15, and the two ends of the electric push rod 18 are respectively hinged to the hopper 16 and the top of the weighing device 15. The material is placed in the hopper 16, the material in the hopper 16 can be detected by the weighing device 15, and the hopper 16 is turned over by the electric push rod 18, so that the material enters the pulverizer 13.
[0033] Foaming reaction furnace 5 includes a shell 19, and the shell 19 has two independent spaces, which are heating cavity 20 and heated cavity 21, respectively, and the mold 22 is arranged in the heated cavity 21 for placing materials, and the burner 23 is arranged in the heating cavity 20.
[0034] Two independent spaces can ensure that the flue gas does not corrode the mold 22, and on the other hand, the mold 22 is not affected during the process of being put in and taken out, and the flow and treatment of the flue gas are not affected.
[0035] The heating cavity 20 is communicated with the melting furnace 4 through the connecting pipe one 6, and the arrangement can further utilize the high temperature in the heating cavity 20.
[0036] The heating cavity 20 is annular and surrounds the heated cavity 21, so that the heating rate of the heated cavity 21 can be improved.
[0037] The heating cavity 20 is communicated with the desulfurization tower 8 through the connecting pipe two 7, and the desulfurization tower 8 is a prior art, which can remove the acid substances contained in the flue gas.
[0038] With the above structure, the incineration generated granular residues, fly ash, coal gangue, waste salt and lime are put into the batching device 3 according to the proportion, the residues are crushed and mixed by the batching device 3, the batching device 3 is moved to the top of the melting furnace 4 by the moving assembly 2, the feeding openings of the melting furnace 4 and the foaming reaction furnace 5 are arranged at the top, then the bottom valve of the batching device 3 is opened, the mixed residues are put into the melting furnace 4, the materials are melted into glassy substances by the melting furnace 4, and then the glassy substances are put into the batching device 3 after being cooled, a fixed amount of modifier and foaming catalyst are added into the batching device 3, the modifier, the foaming catalyst and the glassy substances are mixed by the batching device 3, the mixed materials are put into the mold 22 in the foaming reaction furnace 5 by the moving assembly 2, the materials are melted into foamed glass by high temperature, and the waste gas in the foaming reaction furnace 5 is discharged into the desulfurization tower 8 for purification.
[0039] The above only describes the specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A hazardous waste recycling apparatus, characterized by: The utility model provides a foaming reaction device, including base (1), be provided with melting furnace (4), foaming reaction furnace (5) and desulfurizing tower (8) on base (1), desulfurizing tower (8) can purify the waste gas of foaming reaction furnace (5) emission, be provided with moving assembly (2) on base (1), and moving assembly (2) can move along the length direction of base (1), be installed with batching device (3) on moving assembly (2) for different material is mixed according to fixed ratio.
2. The hazardous waste recycling apparatus of claim 1, wherein: The moving assembly (2) includes two tracks (9) and a fixed frame (10), both tracks (9) are parallel to each other and are fixed on the base (1), the fixed frame (10) is rotatably provided with two track wheels (11) on both sides, the track wheels (11) on both sides of the fixed frame (10) are respectively rolled on the two tracks (9).
3. The hazardous waste recycling apparatus of claim 2, wherein: The batching device (3) includes a mixer (12), the mixer (12) is fixed on the fixed frame (10), the mixer (12) is fixed with a crusher (13), the crusher (13) corresponds to the mixer (12) up and down, the crusher (13) is provided with a weighing assembly (14).
4. The hazardous waste recycling apparatus of claim 3, wherein: The weighing assembly (14) includes a weigher (15), the weigher (15) is fixed on the crusher (13), the weigher (15) is rotatably connected with a hopper (16) through a support frame (17) on the top, an electric push rod (18) is arranged between the hopper (16) and the top of the weigher (15), and both ends of the electric push rod (18) are hingedly connected with the hopper (16) and the top of the weigher (15).
5. The hazardous waste recycling apparatus of claim 1, wherein: The foaming reaction furnace (5) includes a housing (19), the housing (19) has two independent spaces, a heating cavity (20) and a heated cavity (21), a mold (22) is arranged in the heated cavity (21) for placing materials, and a burner (23) is arranged in the heating cavity (20).
6. The hazardous waste recycling apparatus of claim 5, wherein: The heating cavity (20) is communicated with the melting furnace (4) through a connecting pipe (6).
7. The hazardous waste recycling apparatus of claim 5, wherein: The heating cavity (20) is annular and surrounds the heated cavity (21).
8. The hazardous waste recycling apparatus of claim 5, wherein: The heating cavity (20) is communicated with the desulfurizing tower (8) through a connecting pipe (7).