Mineral adsorbent preparation equipment

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The mineral adsorbent preparation equipment with simplified processes solves the problem of high preparation costs, achieves efficient removal of pollutants from incineration exhaust gas, meets environmental protection standards, and reduces transportation and operating costs.

CN223602523UActive Publication Date: 2025-11-28DONGGUAN MAISHUN ENVIRONMENTAL TECHNOLOGY CO LTD

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Patent Information

Application Number: CN202422867091.0
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-11-22
Publication Date: 2025-11-28
Estimated Expiration: 2034-11-22

AI Technical Summary

Technical Problem

The existing mineral adsorbent preparation process is complex, resulting in high preparation costs. Furthermore, existing treatment methods suffer from problems such as high investment, high operating costs, inefficiency, and the potential for secondary pollution.

Method used

Design a device consisting of a mixer, a feeder, and a calciner. The mixer performs wet grinding and mixing of various raw materials, the feeder conveys the mixed wet material to the calciner for calcination, and the calciner is used for filtration to obtain powdered mineral adsorbents, simplifying the process and reducing costs.

Benefits of technology

This invention enables the development of mineral adsorbents with simple processes and low preparation costs, which can efficiently remove pollutants from incineration exhaust gases, meet environmental standards, and reduce transportation and operating costs.

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Abstract

The utility model discloses a mineral adsorbent preparation equipment, the equipment is composed of three parts of mixer, feeder and roaster, mixer comprises support plate frame, mixing hopper, mixing motor, stirring shaft and crushing device, mixing hopper, mixing motor and crushing device are all arranged on the support plate frame, stirring shaft is rotatingly arranged in mixing hopper, and crushing device is arranged on the support plate frame. The mixing motor is located above the mixing hopper, a motor shaft of the mixing motor is connected with the stirring shaft, the material crushing device is located on one side of an upper opening of the mixing hopper, a water inlet is formed in the other side of the upper opening of the mixing hopper, and a lower discharging opening of the mixing hopper corresponds to the input end of the feeder in the vertical direction. The roasting cavity and the filtering cavity are separated through a filtering plate, a feeding port is formed in one side of the roasting cavity, the output end of the feeder stretches into the roasting cavity from the feeding port of the roasting device, and a mineral adsorbent preparation outlet is formed in the bottom of the filtering cavity of the roasting device. The process is simple, and the preparation cost is low.

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Description

TECHNICAL FIELD

[0001] The utility model relates to chemical industry technical field, concretely relates to a mineral adsorbent preparation equipment. BACKGROUND

[0002] In people's daily life, a large amount of garbage will inevitably be produced. If these garbage is not effectively treated, it will greatly affect people's living environment, and even pose a threat to people's health. At present, incineration is one of the main ways to treat garbage, but in the process of incinerating garbage, pollutants such as dioxins, particulate matter, nitrogen oxides, sulfur dioxide, carbon monoxide, mercury, cadmium, thallium and their compounds, antimony, arsenic, lead, chromium, copper, cobalt, manganese, nickel compounds, etc. will be produced, causing secondary pollution of the environment.

[0003] The existing methods for treating pollutants in waste gas mainly include chemical precipitation, oxidation-reduction, adsorption, biological flocculation, etc. Due to the investment, high operating cost, low efficiency, difficulty in operation, easy to cause secondary pollution and unable to solve the problem of waste gas pollution, the chemical precipitation, oxidation-reduction, biological flocculation, etc. have certain limitations in practical application. Therefore, the adsorption method is widely used in practical application. Because the adsorbent has a large number of pores, a large contact area and surface activity, it has strong adsorption capacity for pollutants, so it can efficiently remove pollutants in waste gas, and has been favored by all circles. At present, the preparation process of mineral adsorbent is relatively complex, involving the aspects of reagent proportioning, ultrasonic treatment, heating treatment, reagent cleaning link, solid-liquid separation, etc. The complex process increases the transportation and operation cost of materials, thereby increasing the preparation cost of the adsorbent. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at overcoming the defects of prior art, and provides a mineral adsorbent preparation equipment with simple process and low preparation cost.

[0005] The technical scheme of the utility model is as follows:

[0006] The application discloses a mineral adsorbent preparation equipment which is composed of a mixer, a feeder and a roaster, wherein the mixer comprises a support plate frame, a mixing hopper, a mixing motor, a stirring shaft and a crushing device, the mixing hopper, the mixing motor and the crushing device are arranged on the support plate frame, the stirring shaft is rotatably arranged in the mixing hopper, the mixing motor is arranged above the mixing hopper and the motor shaft of the mixing motor is connected with the stirring shaft, the crushing device is arranged on one side of the upper opening of the mixing hopper, a water inlet is arranged on the other side of the upper opening of the mixing hopper, the lower discharge opening of the mixing hopper corresponds to the input end of the feeder in an up-down mode, the roaster is provided with a roasting cavity and a filtering cavity in an up-down mode, the roasting cavity and the filtering cavity are separated by a filtering plate, the roasting cavity is provided with a feeding opening on one side, the output end of the feeder extends into the roasting cavity from the feeding opening of the roaster, and the filtering cavity of the roaster is provided with a mineral adsorbent preparation outlet at the bottom.

[0007] The mixing hopper is composed of a cylindrical hopper and a conical hopper in an up-down mode.

[0008] The mixing motor is fixed on the support plate frame through a first motor mounting base.

[0009] The crushing device comprises a crushing groove, a crushing press block, a crushing motor, a discharge plate and a discharge motor, the crushing groove is arranged to be inclined downward towards the mixing hopper, the crushing press block is movably arranged above the crushing groove and the bottom of the crushing press block is matched with the crushing groove, the motor shaft of the crushing motor is connected with the crushing press block, the discharge plate is movably arranged on the discharge end of the crushing groove, and the motor shaft of the discharge motor is connected with the discharge plate.

[0010] The crushing motor is fixed on the support plate frame through a second motor mounting base.

[0011] The discharge motor is fixed on the support plate frame through a third motor mounting base.

[0012] The feeder is arranged to be inclined upward from the input end to the output end.

[0013] The water inlet of the mixing hopper is provided with a water pump.

[0014] The top of the roasting cavity of the roaster is provided with a backflow opening, the backflow opening is connected with the water pump through a backflow pipe.

[0015] The mineral adsorbent preparation outlet adopts a conical funnel.

[0016] The utility model has the advantages that: the utility model is composed of a mixer, a feeder and a roaster, wherein the mixer is used for wet grinding of multiple raw materials, the feeder is used for conveying the mixed wet materials to the roaster, and the roaster is used for roasting the mixed wet materials and filtering to obtain a powdered mineral adsorbent. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can also be obtained by those skilled in the art without any creative effort.

[0018] Figure 1 A structural schematic diagram of a mineral adsorbent preparation equipment provided by the utility model is shown in the figure.

[0019] Figure 2 A structural schematic diagram of the mixer of the utility model is shown in the figure.

[0020] Figure 3 An average monitoring concentration schematic diagram of dioxin in incineration waste gas after using activated carbon and mineral adsorbent is shown in the figure.

[0021] Figure 4 A measured concentration schematic diagram of particulate matter in incineration waste gas after using activated carbon and mineral adsorbent is shown in the figure.

[0022] Figure 5 A measured concentration schematic diagram of nitrogen oxides in incineration waste gas after using activated carbon and mineral adsorbent is shown in the figure.

[0023] Figure 6 A measured concentration schematic diagram of sulfur dioxide in incineration waste gas after using activated carbon and mineral adsorbent is shown in the figure.

[0024] Figure 7 A measured concentration schematic diagram of carbon monoxide in incineration waste gas after using activated carbon and mineral adsorbent is shown in the figure.

[0025] Figure 8 A measured concentration schematic diagram of mercury in incineration waste gas after using activated carbon and mineral adsorbent is shown in the figure.

[0026] Figure 9 A measured concentration schematic diagram of cadmium, thallium and their compounds in incineration waste gas after using activated carbon and mineral adsorbent is shown in the figure.

[0027] Figure 10The actual measurement concentration diagram of the compounds of antimony, arsenic, lead, chromium, copper, cobalt, manganese and nickel in the waste gas after burning by using the active carbon and the mineral adsorbent is shown. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples.

[0029] In order to explain the technical scheme of the utility model, the following will be explained through specific examples.

[0030] Embodiment

[0031] Please refer to Figure 1 The embodiment provides a mineral adsorbent preparation equipment, which is composed of a mixer 1, a feeder 2 and a calcinator 3. Combined with the drawings, the utility model has the advantages of simple structure, convenient operation and high efficiency. Figure 2As shown, the mixer 1 comprises a support frame 11, a mixing hopper 12, a mixing motor 13, a stirring shaft 14 and a crushing device 15, the mixing hopper 12, the mixing motor 13 and the crushing device 15 are arranged on the support frame 11; the stirring shaft 14 is rotatably arranged in the mixing hopper 12, the mixing motor 13 is located above the mixing hopper 12 and is fixed on the support frame 11 through a first motor mounting seat 16, the motor shaft of the mixing motor 13 is connected with the stirring shaft 14, and the stirring shaft 14 can grind and mix the raw materials (illite powder, zeolite powder, fly ash, coal gangue powder, dolomite powder, calcium carbonate) in the mixing hopper 12 under the action of the mixing motor 13; the crushing device 15 is located on one side of the upper opening of the mixing hopper 12, and after the solid raw materials (illite, zeolite, coal gangue, dolomite) are crushed into powder, they are added to the mixing hopper 12, and the fly ash and calcium carbonate which are originally in powder form can be added to the crushing device 15 together with the solid raw materials for crushing, or can be directly poured into the mixing hopper 12; the other side of the upper opening of the mixing hopper 12 is provided with a water inlet, and a water pump 17 is arranged on the water inlet; water is added to the mixing hopper 12 through the water pump 17 during the mixing process, so as to wet-grind the raw materials; the lower discharge port 121 of the mixing hopper 12 corresponds to the input end of the feeder 2; the roaster 3 is provided with a roasting cavity 31 and a filtering cavity 32, the roasting cavity 31 and the filtering cavity 32 are separated by a filter plate 33, one side of the roasting cavity 31 is provided with a feeding port, the output end of the feeder 2 extends into the roasting cavity 31 from the feeding port of the roaster 3, the mixed wet material is conveyed into the roasting cavity 31 under the action of the feeder 2, the mixed wet material is roasted in the roasting cavity 31 to obtain a powder-shaped mineral adsorbent, the powder-shaped mineral adsorbent falls to the filtering cavity 32 through the filter plate 33, the bottom of the filtering cavity 32 is provided with a mineral adsorbent preparation outlet 34, and finally the powder-shaped mineral adsorbent falls from the mineral adsorbent preparation outlet 34 to complete the preparation of the mineral adsorbent.

[0032] The mixing hopper 12 is composed of a cylindrical hopper and a conical hopper.

[0033] The crushing device 15 comprises a crushing groove 151, a crushing block 152, a crushing motor 153, a discharging plate 154 and a discharging motor 155. The crushing groove 151 is downwardly inclined towards the mixing hopper 12. The crushing block 152 is movably arranged above the crushing groove 151 and its bottom is matched with the crushing groove 151. The crushing motor 153 is fixed on the support plate frame 11 through a second motor mounting seat 156 and its motor shaft is connected with the crushing block 152. The crushing block 152 can move up and down under the action of the crushing motor 153 to realize the crushing of solid raw materials. The completely crushed raw materials can enter the mixing hopper 12 along the crushing groove 151. The discharging plate 154 is movably arranged on the discharging end of the crushing groove 151. The discharging motor 155 is fixed on the support plate frame 11 through a third motor mounting seat 157. The motor shaft of the discharging motor 155 is connected with the discharging plate 154. The discharging plate 154 can move up and down under the action of the discharging motor 155 to open and let the raw materials enter the mixing hopper 12 after the raw materials are completely crushed.

[0034] Preferably, the feeder 2 is upwardly inclined from the input end to the output end. This design helps to prolong the mixing time of the raw materials in the mixing hopper 12 and helps to ensure the uniform mixing of the various raw materials.

[0035] Preferably, the roaster 3 is provided with a reflux port 35 at the top of the roasting cavity 31. The reflux port 35 is connected with the water pump 17 through a reflux pipe 36. The water vapor evaporated during the roasting process can be recycled to the mixing hopper 12 through the reflux port 35 and the reflux pipe 36 under the action of the water pump 17, which is energy-saving and environmentally friendly.

[0036] Preferably, the mineral adsorbent preparation outlet 34 adopts a conical funnel. This facilitates the discharge of the mineral adsorbent.

[0037] The prepared mineral adsorbent is a layered chain structure of hydrous magnesium-rich aluminosilicate clay mineral. The product is red-brown and powdery, with a particle size range of 150-300 meshes. The product is insoluble in water and organic solvents and does not react with other chemical substances. The product has stable performance and can withstand high temperatures up to 1000℃. Through professional testing, the pore size and pore volume of the product are beneficial to dioxin adsorption, with an average pore size of 5-8 and a pore volume of >0.3 cm3 / g.

[0038] The mineral adsorbent has high removal rate for pollutants. Among them, the illite powder has high ion exchange capacity and adsorption performance, and can effectively remove heavy metal ions and organic pollutants in waste gas, and simultaneously adsorb impurities such as suspended solids, pigments and odors in waste gas; the zeolite powder has high adsorption capacity due to the internal arrangement of a large number of pores and crystal cavities, and can adsorb heavy metals, organic matter and inorganic ions and other pollutants in waste gas; the fly ash can adsorb various substances such as heavy metals, organic matter, bacteria, harmful gases and particulate matters in waste gas; the dolomite powder has very strong adsorption performance, and can adsorb various substances such as gas, liquid and solid, especially the performance of adsorbing gas is particularly outstanding, and can adsorb various common air pollutants such as carbon dioxide, sulfur dioxide and nitrogen oxides; the action of calcium carbonate includes improving the solidification effect of heavy metals and improving the physical properties of the adsorbent, and also can remove impurities in air or water environment by adsorption.

[0039] The verification report of the mineral adsorbent is as follows:

[0040]

[0041] The measured concentrations of dioxins, particulate matters, nitrogen oxides, sulfur dioxide, carbon monoxide, mercury, cadmium, thallium and their compounds, antimony, arsenic, lead, chromium, copper, cobalt, manganese and nickel compounds in waste gas are effectively reduced. The specific conditions are as follows:

[0042] The effects of activated carbon and mineral adsorbent on dioxins in incineration waste gas are compared, and the comparison table is shown in Table 3.

[0043]

[0044]

[0045] The effects of activated carbon and mineral adsorbent on conventional factors in incineration waste gas are compared, and the comparison table is shown in Tables 4-10.

[0046]

[0047]

[0048]

[0049]

[0050]

[0051]

[0052]

[0053]

[0054]

[0055] In summary, after the incineration waste gas is adsorbed by using different doses of mineral adsorbents, the dioxin and heavy metal in the incineration waste gas can reach the standard emission, the adsorption effect is better than that of activated carbon, and the emission of other pollutants is not affected, and the incineration waste gas emission can meet the "Standard for Pollution Control on Incineration of Domestic Waste".

[0056] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A mineral adsorbent preparation device, characterized in that: The device is composed of a mixer, a feeder and a roaster, the mixer comprises a support frame, a mixing hopper, a mixing motor, a stirring shaft and a crushing device, the mixing hopper, the mixing motor and the crushing device are arranged on the support frame, the stirring shaft is rotatably arranged in the mixing hopper, the mixing motor is arranged above the mixing hopper and the motor shaft of the mixing motor is connected with the stirring shaft, the crushing device is arranged on one side of the upper opening of the mixing hopper, the other side of the upper opening of the mixing hopper is provided with a water inlet, the lower outlet of the mixing hopper corresponds to the input end of the feeder, the roaster is provided with a roasting cavity and a filtering cavity from top to bottom, the roasting cavity and the filtering cavity are separated by a filter plate, one side of the roasting cavity is provided with a feeding port, the output end of the feeder extends into the roasting cavity from the feeding port of the roaster, and the filtering cavity of the roaster is provided with a mineral adsorbent preparation outlet at the bottom.

2. A mineral adsorbent production apparatus according to claim 1, characterized by: The mixing hopper is composed of a cylindrical hopper and a conical hopper from top to bottom.

3. The mineral adsorbent production apparatus according to claim 1, characterized by: The mixing motor is fixed on the support frame through a first motor mounting seat.

4. The mineral adsorbent production apparatus according to claim 1, characterized by: The crushing device comprises a crushing groove, a crushing briquette, a crushing motor, a discharge plate and a discharge motor, the crushing groove is arranged downwardly and obliquely towards the mixing hopper, the crushing briquette is movably arranged above the crushing groove and the bottom of the crushing briquette is matched with the crushing groove, the motor shaft of the crushing motor is connected with the crushing briquette, the discharge plate is movably arranged on the discharge end of the crushing groove, and the motor shaft of the discharge motor is connected with the discharge plate.

5. A mineral adsorbent production apparatus according to claim 4, characterized by: The crushing motor is fixed on the support frame through a second motor mounting seat.

6. A mineral adsorbent production apparatus according to claim 4, characterized by: The discharge motor is fixed on the support frame through a third motor mounting seat.

7. The mineral adsorbent production apparatus according to claim 1, characterized by: The feeder is arranged upwardly and obliquely from the input end to the output end.

8. The mineral adsorbent production apparatus according to claim 1, characterized by: The water inlet of the mixing hopper is provided with a water pump.

9. A mineral adsorbent production apparatus according to claim 8, characterized by: The roasting cavity of the roaster is provided with a backflow port at the top, and the backflow port is connected with the water pump through a backflow pipe.

10. The mineral adsorbent production apparatus according to claim 1, characterized by: The mineral adsorbent preparation outlet adopts a conical funnel.