CN218794790U

CN218794790U - Micro-nano bubble and surfactant synergistic enhanced spraying dust settling system

Info

Publication number: CN218794790U
Application number: CN202222654505.2U
Authority: CN
Inventors: 王鹏飞; 欧阳丹; 李石林; 陈世强; 崔燕
Original assignee: Hunan University of Science and Technology
Current assignee: Hunan University of Science and Technology
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-04-07
Anticipated expiration: 2032-10-09

Abstract

The application provides a pair of spraying dust fall's system is reinforceed in synergy of micro-nano bubble and surfactant, the method dust fall of traditional spraying dust removal adoption water smoke absorption dust has been solved, shower nozzle atomization effect is relatively poor, the technical problem not strong to the less dust adsorption efficiency of particle diameter, it is stronger to the wettability of dust to compare in the clear water, all there is better adsorption effect to the dust of all particle diameters in the space that unorganized discharged, the dust fall efficiency to fine dust has been improved, not only can reduce spraying dust fall cost, can also reduce the pollution to the environment, use lower surfactant concentration through the micro-nano bubble gain just can reach high concentration surface active agent's effect, enterprise's accuse dirt cost has effectively been reduced.

Description

Micro-nano bubble and surfactant synergistic enhanced spraying dust settling system

Technical Field

The utility model belongs to the technical field of the spraying dust fall technique and specifically relates to a spraying dust fall system is reinforceed in coordination with surfactant active to micro-nano bubble.

Background

In various fields of industry and the like, a large amount of dust is easily generated in the processes of collecting, unloading, crushing, screening, conveying and the like of solid materials, and the unorganized emission of medium-temperature and low-temperature smoke dust in part of production links exists. The dust suppression method is a separation operation technology of multiphase mixture of gas and dust particles, wherein the dust refers to tiny solid particles with negligible sedimentation rate, and the particle size of the tiny solid particles is generally between 0.01 and 100 mu m. Dust-containing gas with a certain concentration can cause the problems of damage to human health, abnormal quality of precision products, abnormal production state and the like, so that dust removal technologies and devices are increasingly and deeply researched and concerned.

Wet dust removal is the most commonly used method in industrial dust removal, but the traditional spray wet dust removal method still has some problems, such as large water consumption, insufficient dust removal efficiency and the like. This is because the hydrophobic dust is not easily wetted due to the large surface tension of water, and the dustfall effect is not good enough. How to reduce the surface tension of water and improve the spraying dust-settling efficiency is a research hotspot in recent years, wherein the combination of chemical dust suppression and a spraying dust-settling technology is a mainstream method at present. Wettability chemical surfactants are composed of a combination of different surfactants and other materials. The surfactant has a specific structure, so that the surface tension of a solution can be reduced, the wettability of dust can be improved to a certain extent, and substances capable of reducing the surface tension have surface activity. The surfactant has the characteristics of hydrophile lipophile, reducing surface tension, moistening, permeating and the like. However, the surfactant is generally expensive, and a large amount of surfactant is required to be added to achieve a high concentration surfactant solution for the purpose of high-efficiency dust reduction, which is accompanied by a problem that the high concentration surfactant may cause secondary pollution and the like. The addition of surfactants to water in spray dedusting systems can add significant cost to the dedusting and surfactants can corrode machinery causing mechanical damage.

The micro-nano bubble water is prepared by mixing gas and liquid according to a certain proportion, has the characteristics of small bubble particle size, long retention time, high gas-liquid mass transfer efficiency, high interface potential and capability of generating hydroxyl radicals when the micro-nano bubble water is shrunk and broken, adsorbs dust in air by the properties of potential and the like of the micro-nano bubble water to enable the dust to be settled, and can achieve the effects of saving water and reducing dust. According to the research, the single micro-nano bubble water is used as the spraying medium, so that the improvement on the spraying dust-settling effect is small.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve among the prior art dust fall system inefficiency, pollute the technical problem big, the water waste resource, provide one kind under the condition of minimize dust fall cost, utilize the synergism of micro-nano bubble and surfactant agent, reduce the dust and strengthen spraying dust fall system to the micro-nano bubble and the surfactant agent synergism of the pollution of environment.

In order to achieve the first object, the technical scheme adopted by the application is as follows:

the utility model provides a spraying dust fall system is reinforceed in synergy of micro-nano bubble and surfactant agent, is including one-level mixing module, second grade mixing module and the spraying dust fall module that communicates in proper order, one-level mixing module is used for mixing water and surfactant agent after through the pipe-line transportation extremely second grade mixing module, second grade mixing module be used for with mixed liquid that one-level mixing module carried mixes with micro-nano bubble water after extremely through the pipe-line transportation spraying dust fall module is discharged.

As above micro-nano bubble and surfactant synergism strengthen spraying dust fall system, second grade mixing module is including the generator that is used for producing micro-nano bubble water and being used for mixing the micro-nano bubble water that the generator produced with the mixing tank of the mixed liquid that one-level mixing module carried, the one end of generator pass through the pipeline with mixing tank intercommunication, the other end with one-level mixing module intercommunication, mixing tank keeps away from the one end of generator with spraying dust fall module intercommunication.

As above-mentioned little nano-bubble and surfactant synergism strengthen spraying dust fall system, be equipped with many branch pipes that are used for carrying little nano-bubble water in the mixing tank, the feed liquor end of mixing tank is located many be equipped with the ball-cock assembly between the branch pipe.

The micro-nano bubble and surfactant synergistic enhanced spraying dust-settling system is characterized in that a plurality of branch pipes are provided with exhaust holes.

According to the micro-nano bubble and surfactant synergistic enhanced spraying and dust-settling system, the mixing tank and the spraying and dust-settling module are further provided with the booster pump.

According to the micro-nano bubble and surfactant synergistic enhanced spray dust settling system, the primary mixing module comprises a feed opening and a water-powder mixing chamber arranged on the lower side of the feed opening and used for mixing liquid, and the water-powder mixing chamber is communicated with the secondary mixing module through a pipeline.

According to the micro-nano bubble and surfactant synergistic enhanced spray dust settling system, a check valve is arranged at the communication position between the second-stage mixing module and the first-stage mixing module.

The micro-nano bubble and surfactant synergistic enhanced spraying dust suppression system comprises a main pipe communicated with a secondary mixing module and a plurality of spraying branch pipes communicated with the main pipe, wherein the spraying branch pipes are provided with nozzles used for spraying a mist field.

Compared with the prior art, the utility model, there is following advantage:

1. the application provides a pair of spraying dust fall system is reinforceed in micro-nano bubble and surfactant synergism, can not only promote dust fall effect, reaches the effect of effectively detaching the hydrophobicity dust, can also reduce the pollution of surfactant to the environment, and the cost is practiced thrift to the control surfactant quantity, and whole spraying system's suitability is stronger moreover, possess antibacterial in the air, the effect of disinfecting. Thereby improving the working environment of workers and improving the production efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.

Fig. 1 is the utility model relates to a micro-nano bubble and surfactant synergy strengthen spraying dust fall system's structural schematic.

Fig. 2 is the utility model relates to a little nano-bubble and surfactant synergy strengthen spraying dust fall system little nano-bubble water and surfactant mixing module's schematic structure.

Detailed Description

The following describes the specific technical solution of the present invention with reference to the accompanying drawings:

as shown in fig. 1-2, a synergistic enhanced spray dedusting system of micro-nano bubbles and a surfactant comprises a water and surfactant mixing module 2, a micro-nano bubble water and surfactant mixing module 3, a generator 30, a mixing tank 31, a spray dedusting module 4, a booster pump 5 and a ball float valve 6.

As shown in fig. 1, a spraying dust fall system is reinforceed in coordination with surfactant to micro-nano bubble and surfactant, including one-level mixing module 2, second grade mixing module 3 and spraying dust fall module 4 that communicate in proper order, one-level mixing module 2 is used for mixing water with surfactant back through the pipe-line transportation extremely second grade mixing module 3, second grade mixing module 3 is used for with the mixed liquid that one-level mixing module 2 carried mixes with micro-nano bubble water back through the pipe-line transportation extremely spraying dust fall module 4 discharges, through adopting micro-nano bubble water to cooperate surfactant spraying dust fall, surfactant is because of having special structure, thereby can reduce the surface tension of solution, improve the wettability of dust to a certain extent, micro-nano bubble blasting can produce the hydroxyl free radical of strong oxidizing property, contain micro-nano bubble in the spraying medium and can play the bactericidal, the bacteriostasis to implementing the spraying place, also have certain purification ability to other poisonous harmful gas, through setting up the one-level mixing module who is used for mixing water with surfactant, its self-carrying motor, water-powder mixing chamber, bubble and valve, be independent of booster pump, bubble and surfactant mixing pond, can observe micro-nano water and surfactant ratio at any time.

Preferably, as shown in fig. 2, second grade mixing module 3 is including being used for producing the generator 30 of micro-nano bubble water and being used for mixing the micro-nano bubble water that generator 30 produced with the mixing tank 31 of the mixed liquid that one-level mixing module 2 carried, generator 30's one end pass through the pipeline with mixing tank 31 communicates, the other end with one-level mixing module 2 communicates, mixing tank 31 keeps away from generator 30's one end with spraying dust fall module 4 communicates.

Preferably, be equipped with many branch pipes 310 that are used for carrying micro-nano bubble water in the mixed pond 31, the feed liquor end of mixed pond 31 is located many be equipped with ball-cock assembly 6 between the branch pipe 310, through setting up ball-cock assembly, can prevent that the mixed pond normal water volume is too much spilled over to arouse other devices to take place to damage, still can avoid micro-nano bubble to take place to organize idle running and set for the pond normal water volume, guarantee the concentration of dust fall agent, its right side is equipped with the static pressure delivery port, guarantees actively.

Preferably, a plurality of branch pipes 310 are provided with exhaust holes 311, and micro-nano bubbles and a surfactant can be uniformly distributed in the mixing tank by arranging the exhaust holes on the plurality of branch pipes.

Preferably, the mixing tank 31 and the spraying dust-settling module 4 are further provided with a booster pump 5, and by means of the booster pump, a mixed solution of micro-nano bubbles and a surfactant in the mixing tank can be pressurized and conveyed to the spraying dust-settling module, and a spray field is formed by a nozzle, so that the dust-settling effect is achieved.

Preferably, the primary mixing module 2 comprises a feeding port 21 and a water-powder mixing chamber 22 arranged at the lower side of the feeding port 21 and used for mixing liquid, and the water-powder mixing chamber 22 is communicated with the secondary mixing module 3 through a pipeline.

Preferably, a check valve 24 is arranged at the communication position between the secondary mixing module 3 and the primary mixing module 2.

Preferably, the spray dust settling module 4 includes a main pipe 41 communicated with the secondary mixing module 3 and a plurality of spray branch pipes 42 communicated with the main pipe 41, the spray branch pipes 42 are provided with nozzles 43 for spraying a spray field, and through communicating with an external water source, and according to the property of on-site dust, a surfactant is added into the primary mixing module 2, and more preferably, sodium dodecyl sulfate is added, the external water source is filtered and purified, and then is mixed with the surfactant in the primary mixing module 2, and after being fully dissolved, a primary mixed solution of water and the surfactant is obtained, and is conveyed into the secondary mixing module 3 through a pipeline, after the micro-nano bubble water is generated by the generator 30 in the secondary mixing module 3, the primary mixed solution is mixed with the primary mixed solution conveyed in the step S1, and is fully mixed to obtain a secondary mixed solution, and the secondary mixed solution is pressurized and conveyed to the spray dust settling module 4 through a pipeline, while the micro-nano bubble water generator 30 is started, a certain amount of liquid must be ensured to be in the micro-nano-surfactant mixed tank 31, so as to prevent the pump in the micro-nano-bubble water generator 30 from having no water, thereby causing burnout of the motor, and idling of the spray dust settling module 4, and forming a secondary mixed solution sprayed in the spray dust settling field.

The application still provides a system of spraying dust fall is reinforceed in synergy of micro-nano bubble and surfactant, including filter equipment, water and surfactant mixing module, micro-nano bubble water and surfactant mixing module, the generator, the mixing tank, spraying dust fall module and booster pump, can not only promote the dust fall effect, reach the effect of effectively detaching the hydrophobicity dust, can also reduce the pollution of surfactant to the environment, the cost is practiced thrift to the control surfactant quantity, and whole spraying system's suitability is stronger moreover, possess antibacterial in the air, the effect of disinfecting. Thereby improving the working environment of workers and improving the production efficiency.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or 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 spray dust fall system is reinforceed in micro-nano bubble and surfactant synergism, its characterized in that: including one-level mixing module (2), second grade mixing module (3) and the spraying dust fall module (4) that communicate in proper order, one-level mixing module (2) are used for mixing water and surfactant agent after extremely through the pipe-line transportation second grade mixing module (3), second grade mixing module (3) be used for with mixed liquid that one-level mixing module (2) carried mixes the back extremely through the pipe-line transportation with micro-nano bubble water spraying dust fall module (4) are discharged.

2. The micro-nano bubble and surfactant synergistic enhanced spray dedusting system according to claim 1, characterized in that: second grade mixing module (3) including generator (30) that are used for producing micro-nano bubble water and be used for mixing the micro-nano bubble water that generator (30) produced with mixing tank (31) of the mixed liquid that one-level mixing module (2) carried, the one end of generator (30) pass through the pipeline with mixing tank (31) intercommunication, the other end with one-level mixing module (2) intercommunication, mixing tank (31) are kept away from the one end of generator (30) with spraying dust fall module (4) intercommunication.

3. The micro-nano bubble and surfactant synergistic spray-enhanced dust settling system of claim 2, wherein: be equipped with many branch pipes (310) that are used for carrying micro-nano bubble water in mixing tank (31), the feed liquor end of mixing tank (31) is located many be equipped with ball-cock assembly (6) between branch pipe (310).

4. The micro-nano bubble and surfactant synergistic spray-enhanced dust settling system of claim 3, wherein: the branch pipes (310) are provided with exhaust holes (311).

5. The micro-nano bubble and surfactant synergistic spray-enhanced dust settling system of claim 2, wherein: and a booster pump (5) is also arranged at the mixing pool (31) and the spray dust settling module (4).

6. The micro-nano bubble and surfactant synergistic spray-enhanced dust settling system of claim 1, wherein: the primary mixing module (2) comprises a feed port (21) and a water-powder mixing chamber (22) arranged on the lower side of the feed port (21) and used for mixing liquid, and the water-powder mixing chamber (22) is communicated with the secondary mixing module (3) through a pipeline.

7. The micro-nano bubble and surfactant synergistic spray-enhanced dust settling system of claim 6, wherein: and a check valve (24) is arranged at the communication position between the secondary mixing module (3) and the primary mixing module (2).

8. The micro-nano bubble and surfactant synergistic spray-enhanced dust settling system of claim 1, wherein: the spraying dust suppression module (4) include with the second grade mix the person in charge (41) of module (3) intercommunication and many with be responsible for spraying branch pipe (42) of (41) intercommunication, be equipped with nozzle (43) that are used for the blowout fog field on spraying branch pipe (42).