CN214716675U

CN214716675U - High-efficient low windage adsorption material structure

Info

Publication number: CN214716675U
Application number: CN202120223495.XU
Authority: CN
Inventors: 林建东; 徐健元; 陈永基
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-16
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a high-efficiency low-wind resistance adsorption material structure, which comprises shells, an adhesive and zeolite particles; the zeolite particles are adhered to and cover all the inner and outer surfaces of the shell through an adhesive, and compact zeolite particle thin layers are formed on the inner and outer surfaces of the shell; the zeolite particles in the thin layer of zeolite particles have exposed portions, and the exposed portions of the zeolite particles are not covered with the binder. The adsorption material has good adsorption performance, good air permeability and water permeability, and can greatly reduce the high wind resistance formed after the adsorption material is stacked and reduce the energy consumption of a fan especially when being applied to the field of waste gas purification. The shells belong to low-value waste, and are made into high-value adsorbing materials to realize waste utilization, so that the environment is protected.

Description

High-efficient low windage adsorption material structure

Technical Field

The utility model relates to an adsorbing material structure, concretely relates to adsorbing material's structure suitable for fluid purification belongs to environmental protection technology and new material technical field.

Background

Under the increasingly serious situation of air, water source and soil pollution, harmless treatment to pollutants is not slow, various technical means are applied to environmental management at present, wherein the adsorption technology comprises adsorption technology adopting activated carbon and zeolite molecular sieves, especially, the activated carbon adsorption technology is widely adopted in the fields of air purification and water purification, although the activated carbon has good adsorption performance, the activated carbon also has obvious defects, and the main problems are that the activated carbon cannot bear too high desorption temperature, otherwise, the risk of combustion and even fire easily occurs, and low-temperature desorption is difficult to completely desorb and clean for some adsorbates, the activated carbon gradually blocks over time, and the adsorption function is gradually lost. At present, the service life of most of the active carbon does not exceed one year, the cost of environmental protection treatment is very high due to frequent replacement of the active carbon, and secondary pollution to the environment is further caused by a large amount of waste active carbon. In the process of manufacturing honeycomb or particle made of zeolite powder or activated carbon powder, the zeolite powder or activated carbon powder can be made into honeycomb or particle by adding a binder, and the added binder can block micropores in the zeolite or activated carbon, so that the adsorption capacity is greatly reduced. Moreover, most particles are filled to form a large wind resistance, and a high-pressure fan is needed to be used when air is purified, so that the energy consumption of the fan is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve provides an adsorption material structure, and this kind of adsorption material structure can have very high adsorption efficiency to have high temperature resistant, low windage, long service life and low cost's characteristics, the range of application is wide, strong adaptability.

The utility model discloses can take following technical scheme:

a high-efficiency low-wind resistance adsorption material structure comprises shells, a binder and zeolite particles; the zeolite particles are adhered to and cover all the inner and outer surfaces of the shell through an adhesive, and compact zeolite particle thin layers are formed on the inner and outer surfaces of the shell; the zeolite particles in the thin layer of zeolite particles have exposed portions, and the exposed portions of the zeolite particles are not covered with the binder.

The utility model provides a problem can also further take following improvement measure:

in a further improvement, the shell is a shell piece of a bivalve shell of which two shell pieces are separated.

The further improvement is that the projection area of the shell is between 0.6 and 16 square centimeters.

In a further improvement, the zeolite particles may be natural zeolite particles or artificial zeolite particles.

In a further improvement, the binder is a refractory inorganic binder.

In a further improvement, the binder is a sodium silicate binder.

In a further improvement, the zeolite particles are single zeolite components or combined zeolite particles formed by combining zeolite powder and an inorganic framework and having a loose and transparent three-dimensional structure.

The further improvement is that the shell is a curved fragment of the crushed spiral shell.

The further improvement is that the shells are cleaned by chemically treating or high-temperature treating the organic matter on the surfaces of the shells.

The technical scheme has the following technical effects:

1. through the utility model discloses the adsorption material who makes utilizes the great and irregular curved surface's of shell specific surface area appearance characteristic, realizes that adsorption material is filling the pile back, both guaranteed to have great area of contact between fluid and the zeolite layer, nevertheless also enables the bulk density and reduces, makes its inside keep a large amount of spaces, reaches the good adsorption efficiency of adsorption material and has good gas permeability and water permeability, especially is using in the exhaust gas purification field, can reduce the high windage that forms after the adsorption material piles up by a wide margin, reduces the fan energy consumption.

2. The main component of the product is composed of inorganic substances, has higher desorption temperature adaptability compared with the traditional activated carbon, meets the desorption of more various organic substances, and can be repeatedly used for a long time through desorption regeneration after adsorption saturation.

3. The shells belong to low-value waste, and are made into high-value adsorbing materials to realize waste utilization, so that the environment is protected.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Figure 2 is a schematic structural diagram of zeolite particles according to example 2 of the present invention.

Detailed Description

The present invention will be described in detail with reference to the following embodiments.

Example 1: as shown in fig. 1, the high-efficiency low-wind-resistance adsorbing material comprises shells 1, a binder 2 and zeolite particles 3; the zeolite particles 3 are bonded by the adhesive 2 and cover all the inner and outer surfaces of the shell 1, and a compact zeolite particle 3 thin layer is formed on the inner and outer surfaces of the shell 1; one surface of the zeolite particle 3 thin layer is bonded with the surface of the shell 1 through the adhesive 2, the zeolite particle 3 on the other surface is exposed, and the exposed zeolite particle 3 is not covered by the adhesive 2.

The shell is made of Corbicula fluminea or Corbicula fluminea, the two shell pieces are separated, the projection area of the shell pieces is close to the size of a coin, the projection area is 0.6-16 square centimeters, and other area sizes can be adopted according to design requirements. Of course, other bivalve shells may be used.

The shell 1 is subjected to high-temperature treatment, and organic matter components on the surface of the shell are removed at the high temperature of 350 ℃.

The zeolite particles 3 are artificial zeolite particles;

the adhesive 2 is a sodium silicate refractory inorganic adhesive;

the adhesive 2 is not dissolved by water after curing.

Principle of operation

Because the finished product of the utility model contains a large amount of zeolite (also called molecular sieve), thereby having good adsorption performance and permeability, gas or liquid can pass through and contact the surface of zeolite particles under the state of low resistance, the finished product can adsorb harmful substances such as VOCs components of flowing air, ammonia nitrogen components and heavy metals in sewage, effectively absorb VOCs components in air and reduce BOD value of sewage, and effectively filter and purify the fluid, because the structure in the finished product of the utility model is inorganic mineral, the finished product can bear the high temperature of 300 ℃ or above to keep the structure intact, is suitable for high temperature desorption after saturated adsorption, has more thorough desorption effect on adsorbates with boiling point and high pyrolysis gasification temperature, has higher flame retardant safety, and has high rigidity as a framework through shells and is not easy to damage, and can be repeatedly used for a long time, can replace the existing adsorbing materials such as active carbon and the like. The shell sheet is selected to form the skeleton, the function of the skeleton is that the shell has an irregular shape and has lower stacking density, a larger gap is formed between the shell and the shell after stacking, the skeleton has good permeability, is particularly used for air purification, has the characteristic of low wind resistance, and can save energy by selecting a fan with low wind pressure. The shell mainly contains calcium carbonate, has stable chemical properties, has equivalent rigidity and temperature resistance, is suitable for serving as a framework of an adsorption material, is common waste when added with the shell, and has low cost.

The zeolite particle used for sewage purification has a particle size of 50-200 μm, and the zeolite particle used for the adsorption material for air purification has a particle size of less than 50 μm.

Example 2: a high-efficiency low-wind-resistance adsorbing material comprises shells 1, a binder 2 and zeolite particles 3; the zeolite particles 3 are bonded by the adhesive 2 and cover all the inner and outer surfaces of the shell 1, and a compact zeolite particle 3 thin layer is formed on the inner and outer surfaces of the shell 1; one surface of the zeolite particle 3 thin layer is bonded with the surface of the shell 1 through the adhesive 2, the zeolite particle 3 on the other surface is exposed, and the exposed zeolite particle 3 is not covered by the adhesive 2.

The shell is abalone shell, and its two pieces are separated.

The organic matter is removed from the surface of the shell 1 through high-temperature treatment, or the organic matter components on the surface of the shell 1 are removed through chemical treatment.

The zeolite particles are combined by zeolite powder and an inorganic framework 4 to form loose and transparent three-dimensional combined zeolite particles (as shown in figure 2).

The zeolite powder is artificial zeolite powder;

the adhesive 2 is a sodium silicate refractory inorganic adhesive;

the adhesive 2 is not dissolved by water after curing.

The particle size of the combined zeolite particles is 0.5-2 mm;

the projection area of the adopted shell is between 0.6 and 16 square centimeters. Of course, other area sizes may be used as desired by design.

Example 2 zeolite particles are combined with inorganic framework 4 to form loose and transparent composite zeolite particles (as shown in fig. 2), compared with example 1, the composite zeolite particles can hold more zeolite particles and have larger adsorption capacity under the same surface area, while the material supporting and fixing the zeolite particles is the framework with loose structure, which can ensure that most zeolite particles can contact with gas or liquid flowing through, and the loose framework supporting and fixing the zeolite particles can filter dust or suspended substances in the fluid, thus reducing the problem of blocking micropores of the zeolite particles. The embodiment can be applied to sewage filtration and purification and the adsorption of VOCs gas in the air.

In examples 1 and 2, the following production method was used to obtain a product.

The manufacturing method of the high-efficiency low-wind resistance adsorbing material structure comprises the following steps,

the method comprises the following steps: selecting shells with separated shells and cleaned organic matters, putting the shells into a sealed roller container, adding an adhesive, and rotating the container to enable the adhesive to be completely adhered to the inner and outer surfaces of all the shells;

step two: transferring the shell adhered with the adhesive in the first step to a roller with meshes to rotate, and allowing the redundant adhesive to flow out through the meshes of the roller to attach a layer of adhesive thin layer on the inner surface and the outer surface of the shell;

step three: and (3) putting enough zeolite particles into another sealed roller, adding the shell prepared in the step (two) and adhered with the adhesive thin layer into the sealed roller, and allowing the zeolite particles to be adhered to the surface of the shell through the adhesive by rotating the roller.

If part of the zeolite particles have glue on the outer surface, other zeolite particles are adhered on the outer surface, one more layer or several layers of particles are added until no more zeolite particles are adhered finally, and the outermost layer of zeolite particles has part which is not covered by the glue.

Step four: sending the shell fully adhered with the zeolite particles in the step three into a drying tunnel, and baking at about 200 ℃ to accelerate the solidification of the adhesive so as to firmly adhere the zeolite particles on the surface of the shell;

step five: and then the shell baked and solidified in the step four is sent into another roller with meshes, the excessive zeolite particles which are not adhered flow out of the meshes of the roller by rotating the roller, and finally the finished product of the adsorption material is obtained, and the excessive zeolite particles flowing out of the meshes of the roller can be recycled.

The manufacturing method has the advantages of simple related equipment and few process steps, and can make the product easy and simple to manufacture.

The utility model can also adopt the curved surface fragment after the screw shell is broken to replace the bivalve shell.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a high-efficient low windage adsorbing material structure, characterized by: comprises shell, binder and zeolite particles; the zeolite particles are adhered to and cover all the inner and outer surfaces of the shell through an adhesive, and compact zeolite particle thin layers are formed on the inner and outer surfaces of the shell; the zeolite particles in the thin layer of zeolite particles have exposed portions, and the exposed portions of the zeolite particles are not covered with the binder.

2. A high efficiency low wind resistance sorbent material structure in accordance with claim 1, wherein: the shell is a bivalve shell with two separated shells.

3. A high efficiency low wind resistance sorbent material structure in accordance with claim 1, wherein: the projected area of the shell is between 0.6 and 16 square centimeters.

4. A high efficiency low wind resistance sorbent material structure in accordance with claim 1, wherein: the zeolite particles are natural zeolite particles or artificial zeolite particles.

5. A high efficiency low wind resistance sorbent material structure in accordance with claim 1, wherein: the adhesive is a refractory inorganic adhesive.

6. A high efficiency low wind resistance sorbent material structure in accordance with claim 1, wherein: the adhesive is sodium silicate adhesive.

7. A high efficiency low wind resistance sorbent material structure in accordance with claim 1, wherein: the shell is a curved fragment of the crushed spiral shell.

8. A high efficiency low wind resistance sorbent material structure in accordance with claim 1, wherein: the shell is the shell whose surface has been cleaned by chemical treatment or high-temperature treatment.