Plant powder adsorbent preparation system

Abstract

The utility model discloses a plant powder adsorbent preparation system. The system comprises a material pretreatment unit and an adsorbent preparation unit, the material pretreatment unit comprises a plant selection module, a primary water washing module, an ultraviolet sterilization module and a precise temperature control module which are connected in sequence, the adsorbent preparation unit comprises a micronization treatment module, an optimal proportioning module, a sealed packaging module and a water washing and drying module, the micronization treatment module is connected with the precise temperature control module, and the optimal proportioning module is connected with the precise temperature control module. The optimal matching module is connected with the micronization processing module, the sealed packaging module is connected with the optimal matching module, and the washing and drying module is connected with the sealed packaging module; the system is simple in process and small in work amount, the occupied area is saved, the prepared plant powder adsorbent is low in cost, high in adsorption rate, strong in pertinence and not prone to causing secondary pollution, the treated water quality can meet the national and local related emission standards, and the water quality health is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pollution control adsorbent environmental protection technical field, concretely is a kind of plant powder class adsorbent preparation system. BACKGROUND

[0002] With the development of mining, smelting, chemical industry and the use of a large amount of chemical fertilizer in agriculture, various pollutants enter water body, and a large amount of manpower and financial resources are spent on water body treatment every year in the world. More than 70% of surface water in China is polluted to varying degrees. Traditional treatment methods have certain limitations in the practical application of water pollution control. Physical and chemical methods mostly have high technical requirements, high cost, poor targeting and the risk of secondary pollution. Living organism method is prone to biological invasion or biological flooding, and the adsorption efficiency of living organisms is limited under the toxic effect of heavy metals, which may exacerbate water pollution.

[0003] Adsorbent purification of water body is an important means and method for water pollution control, and the market size and demand are growing. Activated carbon is a multifunctional adsorbent with good adsorption performance, which can be manufactured by a series of processes of physical or chemical methods on carbon-containing raw materials. The preparation process of activated carbon mainly includes carbonization and activation, which has problems such as improper pretreatment, difficulty in temperature and time control, difficulty in impurity removal, high energy consumption, and poor targeting of activated carbon adsorption. Therefore, it is of great significance to develop a new process for purifying water pollution by using plant powder adsorbent.

[0004] The new water body purification plant powder adsorbent utilizes the chemical reaction and electrostatic adsorption between plant powder and heavy metal ions, ammonium salt and phosphate salt to purify the water quality of lake body, has the characteristics of low cost, high adsorption rate and low risk of secondary pollution, and overcomes the defect of poor targeting of activated carbon adsorption. The plant powder adsorbent preparation system is improved on the basis of the activated carbon preparation system, mainly including material preparation and adsorbent preparation two important units. The plant powder is dried and sterilized in the material pretreatment unit, and the plant powder is leak-proof and efficient in the adsorbent preparation unit. The two units are closely linked and can be used as a new process technology route for preparing water pollution control adsorbent. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a plant powder adsorbent preparation system to overcome the above problems of activated carbon preparation system. The plant powder adsorbent preparation system comprehensively utilizes existing resource technology conditions, integrates washing technology, ultraviolet sterilization technology, heat insulation technology and supermicro crushing technology, effectively disposes biological flooding, and prepares plant powder adsorbent with high adsorption performance, which has significant environmental value and economic benefit.

[0006] Technical solution: The utility model relates to a kind of plant powder adsorbent preparation system, including material pretreatment unit and adsorbent preparation unit;

[0007] The material pretreatment unit includes plant selection module, primary water washing module, ultraviolet sterilization module, precision temperature control module, the ultraviolet sterilization module is equipped with ultraviolet germicidal lamp tube, precision temperature control module is equipped with electric heating blast constant-temperature drying oven, plant selection module is connected with primary water washing module, primary water washing module is distilled water washing, primary water washing module is connected with ultraviolet sterilization module, the adsorbent preparation unit includes microparticulate processing module, optimal proportioning module, sealing packaging module, water washing and drying module, microparticulate processing module is equipped with ultrafine grinder, sealing packaging module is equipped with full-automatic heat sealing machine, water washing and drying module is the combination of distilled water cleaning and electric heating blast constant-temperature drying oven, the ultrafine grinder of microparticulate processing module is connected with the electric heating blast constant-temperature drying oven of precision temperature control module, optimal proportioning module is connected with the ultrafine grinder of microparticulate processing module, the full-automatic heat sealing machine of sealing packaging module is connected with optimal proportioning module, water washing and drying module is connected with the full-automatic heat sealing machine of sealing packaging module, that is, after full-automatic heat sealing machine mechanization encapsulation, it is cleaned by the distilled water of water washing and drying module again, and it is dried by electric heating blast constant-temperature drying oven, the aquatic plant obtained after screening, washing, sterilization, drying treatment of the material pretreatment unit is sent to the adsorbent preparation unit to prepare adsorbent.

[0008] The plant selection module selects specific aquatic plants according to the water environment characteristics obtained by full-range coverage sampling in the field, which are generally easy to grow and low in cost;The primary water washing module uses multiple washing techniques to wash the aquatic plants selected by the plant selection module to remove 99% of the accompanying impurities;The ultraviolet sterilization module removes 50% of the moisture and bacteria from the aquatic plants washed by the primary water washing module under the action of solar radiation and ultraviolet germicidal lamp tube;The precision temperature control module fully dries the aquatic plants sterilized by the ultraviolet sterilization module under strict time and temperature control in the electric heating blast constant-temperature drying oven to remove 99% of the moisture and bacteria;

[0009] The microparticulate processing module finely grinds the aquatic plants treated by the precision temperature control module using an ultrafine grinder to obtain plant powder with a particle size of ≤500 μm;

[0010] The optimal proportioning module proportionally mixes the various plant powders obtained by the microparticulate processing module according to field and laboratory research data to obtain the optimal proportioning that is most effective in treating the water sample problem;

[0011] The sealing packaging module places the plant powder obtained by the optimal proportioning module into a 300-500 mesh filter bag and mechanically encapsulates it using a full-automatic heat sealing machine, with a barrier effect of ≥90%;

[0012] The water washing and drying module performs secondary water washing and three times of drying on the sealed and packaged plant powder, and finally obtains the plant powder with a barrier effect of greater than or equal to 99%, thereby preventing powder loss to the maximum extent.

[0013] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0014] (1) The process design of the utility model is simple, and the required engineering quantity is small, thereby effectively solving the problem of large land occupation of supporting facilities in the water pollution treatment process.

[0015] (2) The aquatic plant species selected by the utility model are common and easy to plant, can effectively dispose biological flooding, can drive employment, reduce the investment cost of water pollution treatment, and have remarkable social value, environmental protection value and economic benefit.

[0016] (3) The utility model utilizes natural ultraviolet sterilization technology to sterilize plants, and effectively removes moisture, reasonably utilizes clean energy, and realizes energy saving and emission reduction.

[0017] (4) The utility model utilizes the electric heating air blowing constant temperature drying box to strictly control temperature and time, prevents the structure of the plant powder from being damaged, and guarantees the powder adsorption effect.

[0018] (5) The plant powder adsorbent prepared by the utility model has strong functionality, low cost, high adsorption rate, is not easy to cause secondary pollution, and is strong in pertinence. The water quality of the water body treated by the plant powder adsorbent obtained by the system can reach the national and local relevant discharge standards, can effectively improve the water quality health problem, and then realizes the harmonious interaction between man and nature. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides a plant powder adsorbent preparation technical route. DETAILED DESCRIPTION

[0020] The specific embodiments of the utility model will be described in detail below. Figure 1 It should be understood that the specific embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0021] In the utility model, the orientation words contained in the terms such as 'back', 'inner' and'middle' only represent the orientation of the terms in the conventional use state or the common name understood by those skilled in the art without being regarded as the limitation of the terms.

[0022] Referring to Figure 1 The utility model provides a kind of plant powder adsorbent preparation system, including material pretreatment unit 1, adsorbent preparation unit 2;

[0023] The aquatic plant obtained after screening, water washing, sterilization and drying treatment is sent to the adsorbent preparation unit 2 for preparation of adsorbent.

[0024] By the technical scheme, the plant powder adsorbent preparation system fully utilizes existing resource technical conditions, integrates the material pretreatment unit 1 and the adsorbent preparation unit 2, uses common aquatic plants as raw materials, and is based on several experimental formulations to prepare efficient, green and economic plant powder adsorbent. Through process technology integration and integrated innovation, a new type of water purification plant powder adsorbent process technology path is designed.

[0025] The material pretreatment unit 1 comprises a plant selection module 3, a primary water washing module 4, an ultraviolet sterilization module 5 and a precise temperature control module 6. The ultraviolet sterilization module 5 is provided with an ultraviolet sterilization lamp tube, and the precise temperature control module 6 is provided with an electric heating air blowing constant temperature drying box. The plant selection module 3 is connected with the primary water washing module 4, and the primary water washing module 4 is cleaned by distilled water. The primary water washing module 4 is connected with the ultraviolet sterilization module 5. The adsorbent preparation unit 2 comprises a micronization treatment module 7, an optimal proportioning module 8, a sealing packaging module 9 and a water washing and drying module 10. The micronization treatment module 7 is provided with a super micro grinder, the sealing packaging module 9 is provided with a full-automatic heat sealing machine, and the water washing and drying module 10 is a combination of distilled water cleaning and an electric heating air blowing constant temperature drying box. The super micro grinder of the micronization treatment module 7 is connected with the electric heating air blowing constant temperature drying box of the precise temperature control module 6. The optimal proportioning module 8 is connected with the super micro grinder of the micronization treatment module 7. The full-automatic heat sealing machine of the sealing packaging module 9 is connected with the optimal proportioning module 8. The water washing and drying module 10 is connected with the full-automatic heat sealing machine of the sealing packaging module 9, that is, after the full-automatic heat sealing machine is mechanically packaged, the packaged product is cleaned by distilled water of the water washing and drying module 10 and dried by the electric heating air blowing constant temperature drying box. The material pretreatment unit 1 sends the aquatic plant obtained after screening, water washing, sterilization and drying treatment to the adsorbent preparation unit 2 for preparation of adsorbent.

[0026] The plant selection module 3 selects specific aquatic plants which are common, easy to plant and low in cost according to the water environment characteristics (including physical characteristics, chemical components, biological components and the like) obtained by full-range coverage sampling. The primary water washing module 4 washes the aquatic plants selected by the plant selection module 3 by multiple water washing to remove 99% of the accompanying impurities (including silt, clay and the like). The ultraviolet sterilization module 5 removes 50% of the moisture and bacteria from the aquatic plants washed by the primary water washing module 4 under the action of solar radiation and the ultraviolet sterilization lamp tube. The precise temperature control module 6 fully dries the aquatic plants sterilized by the ultraviolet sterilization module 5 under strict time and temperature control in the electric heating air blowing constant temperature drying box according to the characteristics of the aquatic plants to remove 99% of the moisture and bacteria.

[0027] The micro-particle treatment module 7 uses a super micro pulverizer to finely pulverize the aquatic plants treated by the precision temperature control module 6, so as to obtain plant powder with a particle size of ≤500 μm;

[0028] The optimal proportioning module 8 proportionally mixes the various plant powders obtained by the micro-particle treatment module 7 according to field and laboratory research data, and finally obtains the optimal proportioning with the highest efficiency for treating the problem of the water sample;

[0029] The sealing and packaging module 9 mechanically seals the plant powder obtained by the optimal proportioning module 8 with a 300-500 mesh filter bag, and the blocking effect is ≥90%;

[0030] The water washing and drying module 10 performs secondary water washing and three times of drying on the plant powder sealed by the sealing and packaging module 9, and finally obtains plant powder with a blocking effect of ≥99%, thereby preventing powder loss to the maximum extent.

[0031] The above Figure 1 The preferred embodiments of the present application are described in detail, but the present application is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical solutions of the present application within the technical concept of the present application, and these simple modifications all belong to the protection scope of the present application.

[0032] In addition, it should be noted that each specific technical feature described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the present application will not further describe various possible combination manners.

[0033] Furthermore, various different embodiments of the present application can also be combined in any manner, as long as they do not deviate from the technical concept of the present application, and they should also be considered as disclosed contents of the present application.

Claims

1. A system for preparing plant powder adsorbents, characterized in that, The adsorbent preparation system includes a material pretreatment unit (1) and an adsorbent preparation unit (2). The material pretreatment unit (1) includes a plant selection module (3), a primary water washing module (4), an ultraviolet sterilization module (5), and a precise temperature control module (6). The ultraviolet sterilization module (5) is equipped with ultraviolet sterilization lamps, and the precise temperature control module (6) is equipped with an electric heating blower constant temperature drying oven. The plant selection module (3) is connected to the primary water washing module (4), which uses distilled water for washing. The primary water washing module (4) is connected to the ultraviolet sterilization module (5). The adsorbent preparation unit (2) includes a micronization treatment module (7), an optimal ratio module (8), a sealing packaging module (9), and a water washing and drying module (10). The micronization treatment module (7) is equipped with an ultra-micro pulverizer, the sealing packaging module (9) is equipped with a fully automatic heat sealing machine, and the water washing and drying module (10) is equipped with an ultra-micro pulverizer. 10) is a combination of distilled water cleaning and electric heating constant temperature drying oven. The micronization treatment module (7) is connected to the electric heating constant temperature drying oven of the precision temperature control module (6). The optimal ratio module (8) is connected to the micronization treatment module (7). The fully automatic heat sealing machine of the sealing packaging module (9) is connected to the optimal ratio module (8). The water washing and drying module (10) is connected to the fully automatic heat sealing machine of the sealing packaging module (9). That is, after the fully automatic heat sealing machine mechanically packages the product, it is then cleaned by distilled water in the water washing and drying module (10) and dried in the electric heating constant temperature drying oven. The material pretreatment unit (1) sends the aquatic plants obtained after screening, water washing, sterilization and drying to the adsorbent preparation unit (2) for adsorbent preparation.

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