阅读说明：本技术 一种用于气浮机水质检测的处理方法及系统 (Processing method and system for water quality detection of air floatation machine ) 是由 寿德胜 于 2021-07-13 设计创作，主要内容包括：本发明提出了一种用于气浮机水质检测的处理方法及系统,所述方法包括,根据喷嘴计算出喉管直径；经喉管直径得出气泡尺寸；并对产生气泡尺寸后的水样进行色度测试；并将色度测试结果传给能量分析中心；调动能量分析中心对照水质的降解进行气泡与絮粒的接触面张力计算；并经接触面张力计算得出气泡与絮粒吸附所需时间；通过喉管直径与待处理废水的密度的参数值计算,得出能够产生射流以及防止喉管堵塞杂物的直径；满足不同废水密度下的直径调整；另外在根据废水密度和气泡尺寸得出符合气泡破碎以及有利于气浮水处理的气泡尺寸数值；避免大量废水处理过程处于相同阶段,进而在不同废水的处理下,保证水质处理效果相同。(The invention provides a treatment method and a treatment system for water quality detection of an air flotation machine, wherein the method comprises the following steps of calculating the diameter of a throat according to a nozzle; obtaining the size of the bubbles through the diameter of the throat pipe; carrying out chromaticity test on the water sample with the generated bubble size; and transmitting the chromaticity test result to an energy analysis center; the energy analysis center is mobilized to calculate the contact surface tension of the bubbles and the floccules according to the degradation of the water quality; calculating the time required by the adsorption of the air bubbles and the flocs through contact surface tension; calculating the parameter value of the diameter of the throat pipe and the density of the wastewater to be treated to obtain the diameter capable of generating jet flow and preventing the throat pipe from blocking sundries; the diameter adjustment under different wastewater densities is met; in addition, according to the density and the size of the bubbles, obtaining bubble size values which are in accordance with bubble breakage and are beneficial to air floatation water treatment; the method avoids the situation that a large amount of wastewater treatment processes are in the same stage, and further ensures that the water quality treatment effect is the same under the treatment of different wastewater.)

1. A treatment method for detecting the water quality of an air floatation machine is characterized by comprising the following steps:

step one, calculating the diameter of a throat according to a nozzle;

step two, obtaining the size of the bubbles through the diameter of the throat pipe;

step three, carrying out chromaticity test on the water sample with the generated bubble size; and transmitting the chromaticity test result to an energy analysis center;

step four, the energy analysis center is mobilized to calculate the contact surface tension of the bubbles and the floccules according to the degradation of the water quality;

and step five, calculating the time required by the adsorption of the air bubbles and the flocs through contact surface tension.

2. The processing method for the water quality detection of the air flotation machine according to claim 1, wherein the first step is further as follows:

the nozzle is composed of a micro bubble generator; the nozzle is subjected to pressure to generate pressure energy and converts the pressure energy into kinetic energy; adjusting the section of the inlet to treat the wastewater and bubbles; generating water treatment bubbles; and calculating the diameter of the nozzle generating the bubbles, wherein the diameter of the nozzle is as follows:

wherein the volume flow of the wastewater to be treated is(ii) a The rated pressure of the pump is(ii) a Process pressure loss of pump to nozzle inlet is(ii) a The density of the waste water to be treated blended into the air is(ii) a Nozzle flow coefficient of。

3. The processing method for detecting the water quality of the air flotation machine according to claim 1, wherein the second step is further as follows:

the breaking of the bubbles is determined by the tension of the bubbles, and the breaking can occur when the bubbles in the running state receive the friction of solid phase particles; calculating the size of the bubbles to obtain the size according with the air floatation water treatment; size value of the bubbleComprises the following steps:

wherein the air has a density of(ii) a Shear stress of(ii) a The bubble velocity is; the density of the waste water is。

4. The processing method for detecting the water quality of the air flotation machine according to claim 1, wherein the third step is further as follows:

carrying out colorimetric determination on a water sample obtained in the reaction process of the water sample after the bubble size is generated; when the chemical oxygen demand removal rate is(ii) a The measured value of the original chromaticity is(ii) a The measured value of the color after the reaction was(ii) a The chroma removal rate is then:

further obtaining the electrode loss in the reaction process and the treatment effect suitable for the energy consumption of the wastewater through the removal rate in the colorimetric reaction process and an energy analysis center; the electrode energy consumption value is:

wherein the electrode consumes energy of(ii) a The voltage of the electrode is(ii) a The current of the electrode is(ii) a The reaction time is t.

5. The treatment method for detecting the water quality of the air flotation machine according to claim 1, wherein the fourth step is further as follows:

judging the adhesion state of the adhesion between the flocs and the bubbles through the energy consumption value of the electrode; and calculating the adsorption surface tension of the contact surface by using the contact of the flocs and the bubbles; the contact surface tension of the flocs and the bubbles is:

further in accordance with

Obtaining the contact surface angle of the flocs and the bubbles, wherein the expression is as follows:

wherein the contact surface tension of the flocs and the bubbles is(ii) a The contact surface tension of the flocs and the wastewater is(ii) a The contact surface tension of the wastewater and the bubbles isAt a contact angle of。

6. The processing method for detecting the water quality of the air flotation machine according to claim 1, wherein the fifth step is further as follows:

when the air bubbles contact with the flocs, determining the time of a hydration film generated between the air bubbles and the flocs after the air bubbles contact with the flocs through adsorption within the time, and sending the calculation result of the adsorption time of the air bubbles and the flocs to a signal receiving end; the time required for the adsorption of the bubbles and the flocsComprises the following steps:

wherein the radius of the flocs is(ii) a The surface tension of the bubbles is(ii) a The density of the flocs is。

7. A treatment system for water quality detection of an air flotation machine, which is used for realizing the method of any one of the claims 1 to 6, and is characterized by comprising the following steps:

the first module is used for calculating the diameter of the throat according to the nozzle;

a second module for deriving bubble size from the diameter of the throat;

the device is used for carrying out chromaticity test on the water sample with the generated bubble size; the third module transmits the chromaticity test result to the energy analysis center;

the fourth module is used for moving the energy analysis center to calculate the contact surface tension of the bubbles and the floccules according to the degradation of the water quality;

and the fifth module is used for calculating the time required by the adsorption of the air bubbles and the floccules through contact surface tension.

8. The treatment system for water quality detection of the air flotation machine according to claim 7, wherein the first module comprises a nozzle; the nozzle consists of a micro bubble generator; the nozzle is subjected to pressure to generate pressure energy and converts the pressure energy into kinetic energy; adjusting the section of the inlet to treat the wastewater and bubbles; a water nozzle generating a conforming jet;

the second module comprises bubble detection means for calculating bubble size; the bubble detection device is determined by the tension of the bubbles according to the breakage of the bubbles, and the bubbles in the running state are broken when receiving the friction of solid phase particles; and then the size of the bubbles is used for calculating to obtain the size which accords with the air flotation water treatment.

9. The processing system for the water quality detection of the air flotation machine according to claim 7, wherein the third module is used for performing colorimetric determination on a water sample obtained in a water sample reaction process after the bubble size is generated; and obtaining the electrode loss in the reaction process and the treatment effect suitable for the energy consumption of the wastewater through the removal rate in the colorimetric reaction process and an energy analysis center.

10. The treatment system for the water quality detection of the air flotation machine according to claim 7, wherein the fourth module judges the adhesion state of the flocs and the bubbles through the energy consumption value of the electrode; and calculating the adsorption surface tension of the contact surface by using the contact of the flocs and the bubbles;

and the fifth module determines the hydration film time generated between the bubbles and the floccules after the bubbles contact with the floccules through the adsorption within the time, and sends the calculation result of the adsorption time of the bubbles and the floccules to the signal receiving end.

Technical Field

The invention relates to a treatment method and a treatment system for water quality detection of an air flotation machine, in particular to the field of water quality treatment of the air flotation machine.

Background

The air floatation generates a large amount of fine bubbles in water, and the fine bubbles are adhered to small suspended particles in the wastewater; forming a 'bubble particle' complex with the overall density less than that of water, and floating the suspended particles to the water surface along with the bubbles to form foam scum, thereby separating suspended matters in the water.

In the prior art, the diameter of the throat pipe of the collision nozzle cannot be controlled according to the detection condition of waste water, and the diameter of the throat pipe which accords with jet flow is set; the diameter of the throat pipe is not consistent with that of the wastewater to be treated, so that impurity blockage is formed; and the size of the bubbles is broken if the size exceeds a certain value; the broken bubbles are beneficial to the air floatation treatment, so the sizes of the bubbles meeting the requirement of wastewater treatment are calculated; when the air bubbles collide and contact the floccules, the hydration film between the air bubbles and the floccules becomes thinner and thinner, so that the floccules are adsorbed and bonded after the collision and contact within a long time; further, the process of treating the adsorptive adhesive flocs is not adjusted.

Disclosure of Invention

The purpose of the invention is as follows: an object is to provide a treatment method for detecting the water quality of an air flotation machine, so as to solve the problems in the prior art; a further object is to propose a system implementing the above method.

The technical scheme is as follows: a treatment method for detecting the water quality of an air floatation machine comprises the following steps:

step one, calculating the diameter of a throat according to a nozzle;

step two, obtaining the size of the bubbles through the diameter of the throat pipe;

step three, carrying out chromaticity test on the water sample with the generated bubble size; and transmitting the chromaticity test result to an energy analysis center;

step four, the energy analysis center is mobilized to calculate the contact surface tension of the bubbles and the floccules according to the degradation of the water quality;

and step five, calculating the time required by the adsorption of the air bubbles and the flocs through contact surface tension.

In a further embodiment, the first step is further: the nozzle is composed of a micro bubble generator; the nozzle is subjected to pressure to generate pressure energy and converts the pressure energy into kinetic energy; adjusting the section of the inlet to treat the wastewater and bubbles; generating water treatment bubbles; and calculating the diameter of the nozzle generating the bubbles, wherein the diameter of the nozzle is as follows:

wherein the volume flow of the wastewater to be treated is(ii) a The rated pressure of the pump is(ii) a Process pressure loss of pump to nozzle inlet is(ii) a The density of the waste water to be treated blended into the air is(ii) a Nozzle flow coefficient of。

In a further embodiment, the second step is further:

the breaking of the bubbles is determined by the tension of the bubbles, and the breaking can occur when the bubbles in the running state receive the friction of solid phase particles; calculating the size of the bubbles to obtain the size according with the air floatation water treatment; size value of the bubbleComprises the following steps:

wherein the air has a density of(ii) a Shear stress of(ii) a The velocity of the bubbles being(ii) a The density of the waste water is。

In a further embodiment, the third step is further: carrying out colorimetric determination on a water sample obtained in the reaction process of the water sample after the bubble size is generated; when the chemical oxygen demand removal rate is(ii) a The measured value of the original chromaticity is(ii) a The measured value of the color after the reaction was(ii) a The chroma removal rate is then:

further obtaining the electrode loss in the reaction process and the treatment effect suitable for the energy consumption of the wastewater through the removal rate in the colorimetric reaction process and an energy analysis center; the electrode energy consumption value is:

wherein the electrode consumes energy of(ii) a The voltage of the electrode is(ii) a The current of the electrode is(ii) a The reaction time is t.

In a further embodiment, the fourth step is further: judging the adhesion state of the adhesion between the flocs and the bubbles through the energy consumption value of the electrode; and calculating the adsorption surface tension of the contact surface by using the contact of the flocs and the bubbles; the contact surface tension of the flocs and the bubbles is:

further in accordance with

Obtaining the contact surface angle of the flocs and the bubbles, wherein the expression is as follows:

wherein the contact surface tension of the flocs and the bubbles is(ii) a The contact surface tension of the flocs and the wastewater is(ii) a The contact surface tension of the wastewater and the bubbles isAt a contact angle of。

In a further embodiment, the step five is further: when the air bubbles contact with the flocs, determining the time of a hydration film generated between the air bubbles and the flocs after the air bubbles contact with the flocs through adsorption within the time, and sending the calculation result of the adsorption time of the air bubbles and the flocs to a signal receiving end; the time required for the adsorption of the bubbles and the flocsComprises the following steps:

wherein the radius of the flocs is(ii) a The surface tension of the bubbles is(ii) a The density of the flocs is。

A treatment system for detecting the water quality of an air floatation machine is used for realizing the method and comprises the following steps:

the first module is used for calculating the diameter of the throat according to the nozzle;

a second module for deriving bubble size from the diameter of the throat;

the device is used for carrying out chromaticity test on the water sample with the generated bubble size; the third module transmits the chromaticity test result to the energy analysis center;

the fourth module is used for moving the energy analysis center to calculate the contact surface tension of the bubbles and the floccules according to the degradation of the water quality;

and the fifth module is used for calculating the time required by the adsorption of the air bubbles and the floccules through contact surface tension.

The first module includes a nozzle; the nozzle consists of a micro bubble generator; the nozzle is subjected to pressure to generate pressure energy and converts the pressure energy into kinetic energy; adjusting the section of the inlet to treat the wastewater and bubbles; a water nozzle generating a conforming jet;

the second module comprises bubble detection means for calculating bubble size; the bubble detection device is determined by the tension of the bubbles according to the breakage of the bubbles, and the bubbles in the running state are broken when receiving the friction of solid phase particles; and then the size of the bubbles is used for calculating to obtain the size which accords with the air flotation water treatment.

The third module is used for carrying out colorimetric determination on a water sample obtained in the water sample reaction process after the bubble size is generated; and obtaining the electrode loss in the reaction process and the treatment effect suitable for the energy consumption of the wastewater through the removal rate in the colorimetric reaction process and an energy analysis center.

The fourth module judges the adhesion state of the adhesion between the flocs and the bubbles through the energy consumption value of the electrode; and calculating the adsorption surface tension of the contact surface by using the contact of the flocs and the bubbles;

and the fifth module determines the hydration film time generated between the bubbles and the floccules after the bubbles contact with the floccules through the adsorption within the time, and sends the calculation result of the adsorption time of the bubbles and the floccules to the signal receiving end.

Has the advantages that: the invention provides a treatment method and a treatment system for air floatation machine water quality detection, wherein the diameter capable of generating jet flow and preventing impurities from being blocked by a throat pipe is obtained by calculating the parameter value of the diameter of the throat pipe and the density of wastewater to be treated; the diameter adjustment under different wastewater densities is met; in addition, according to the density and the size of the bubbles, obtaining bubble size values which are in accordance with bubble breakage and are beneficial to air floatation water treatment; the method avoids that a large amount of wastewater treatment processes are in the same stage, and further ensures that the water quality treatment effects are the same under the treatment of different wastewater; calculating the change time of the hydration film between the bubbles and the flocs to obtain the change time of the flocs easily adsorbed by the bubbles, and further adjusting the treatment time of the wastewater; the treatment time of different waste water is shortened under the same process.

Drawings

FIG. 1 is a flow chart of the implementation method of the present invention.

Detailed Description

The applicant believes that under the development of the prior art, the treatment methods of the same process are mostly adopted for treating different waste water; the demand of people for water quality is also increased continuously in different time periods; it is necessary to increase the treatment time of wastewater and to optimize the time required to cope with different wastewaters.

In order to solve the problems in the prior art, the invention realizes the process of converting the characteristics of different waste water into waste water treatment by using the treatment method and the realization system for the water quality detection of the air floatation machine.

The present invention will be further described in detail with reference to the following examples and accompanying drawings.

In this application, we propose a treatment method for water quality detection of an air flotation machine and a system for implementing the method, wherein the treatment method for water quality detection of the air flotation machine comprises the following steps:

step one, calculating the diameter of a throat according to a nozzle; the nozzle is composed of a micro bubble generator; the nozzle is subjected to pressure to generate pressure energy and converts the pressure energy into kinetic energy; adjusting the section of the inlet to treat the wastewater and bubbles; generating water treatment bubbles; and calculating the diameter of the nozzle generating the bubbles, wherein the diameter of the nozzle is as follows:

wherein the volume flow of the wastewater to be treated is(ii) a The rated pressure of the pump is(ii) a Process pressure loss of pump to nozzle inlet is(ii) a The density of the waste water to be treated blended into the air is(ii) a Nozzle flow coefficient of。

Step two, obtaining the size of the bubbles through the diameter of the throat pipe; the breaking of the bubbles is determined by the tension of the bubbles, and the breaking can occur when the bubbles in the running state are rubbed by solid-phase particlesCrushing; calculating the size of the bubbles to obtain the size according with the air floatation water treatment; size value of the bubbleComprises the following steps:

wherein the air has a density of(ii) a Shear stress of(ii) a The velocity of the bubbles being(ii) a The density of the waste water is。

Step three, carrying out chromaticity test on the water sample with the generated bubble size; and transmitting the chromaticity test result to an energy analysis center; firstly, carrying out colorimetric determination on a water sample obtained in a water sample reaction process after bubble size is generated; when the chemical oxygen demand removal rate is(ii) a The measured value of the original chromaticity is(ii) a The measured value of the color after the reaction was(ii) a The chroma removal rate is then:

further obtaining the electrode loss in the reaction process and the treatment effect suitable for the energy consumption of the wastewater through the removal rate in the colorimetric reaction process and an energy analysis center; the electrode energy consumption value is:

wherein the electrode consumes energy of(ii) a The voltage of the electrode is(ii) a The current of the electrode is(ii) a The reaction time is t.

Step four, the energy analysis center is mobilized to calculate the contact surface tension of the bubbles and the floccules according to the degradation of the water quality; judging the adhesion state through the adhesion between the flocs and the bubbles according to the energy consumption value of the electrode; and calculating the adsorption surface tension of the contact surface by using the contact of the flocs and the bubbles; the contact surface tension of the flocs and the bubbles is:

further in accordance with

Obtaining the contact surface angle of the flocs and the bubbles, wherein the expression is as follows:

wherein the contact surface tension of the flocs and the bubbles is(ii) a The contact surface tension of the flocs and the wastewater is(ii) a The contact surface tension of the wastewater and the bubbles isAt a contact angle of。

To clearly illustrate the effects of the present application caused by the different contact surfaces of the flocs and the bubbles, an example is used for illustration; when in useThe hydrophobic substances with the temperature more than 90 ℃ are easily adhered by bubblesThe hydrophilic substances are less than 90 degrees, so that the hydrophilic substances are not easily adhered by bubbles; obtaining that the flocs are hydrophobic substances according to the expression of the contact surface angle of the flocs and the bubbles, wherein the larger the contact angle is, the stronger the hydrophobicity is, and the larger the adhesion force between the solid and the gas is; and the size of the flocs and bubbles determines the size of the contact angle.

Step five, calculating the time required by the adsorption of the air bubbles and the flocs through contact surface tension; when the air bubbles contact with the flocs, determining the time of a hydration film generated between the air bubbles and the flocs after the air bubbles contact with the flocs through adsorption within the time, and sending the calculation result of the adsorption time of the air bubbles and the flocs to a signal receiving end; when the bubbles collide and contact with the floccules, hydration films between the bubbles and the floccules become thin, and after the bubbles collide and contact within a certain time, molecular force between the bubbles and the floccules attracts, and the bubbles adsorb and bond the floccules; the time required for the adsorption of the bubbles and the flocsComprises the following steps:

wherein the radius of the flocs is(ii) a The surface tension of the bubbles is(ii) a The density of the flocs is。

A treatment system for detecting the water quality of an air floatation machine is used for realizing the method and comprises the following steps:

the first module is used for calculating the diameter of the throat according to the nozzle; the first module comprises a nozzle; the nozzle consists of a micro bubble generator; the nozzle is subjected to pressure to generate pressure energy and converts the pressure energy into kinetic energy; adjusting the section of the inlet to treat the wastewater and bubbles; a water nozzle is created that conforms to the jet.

A second module for deriving bubble size from the diameter of the throat; the second module comprises bubble detection means for calculating bubble size; the bubble detection device is determined by the tension of the bubbles according to the breakage of the bubbles, and the bubbles in the running state are broken when receiving the friction of solid phase particles; and then the size of the bubbles is used for calculating to obtain the size which accords with the air flotation water treatment.

The device is used for carrying out chromaticity test on the water sample with the generated bubble size; the third module transmits the chromaticity test result to the energy analysis center; the third module is used for carrying out colorimetric determination on a water sample obtained in the water sample reaction process after the bubble size is generated; and obtaining the electrode loss in the reaction process and the treatment effect suitable for the energy consumption of the wastewater through the removal rate in the colorimetric reaction process and an energy analysis center.

The fourth module is used for moving the energy analysis center to calculate the contact surface tension of the bubbles and the floccules according to the degradation of the water quality; the fourth module judges the adhesion state of the adhesion between the flocs and the bubbles through the energy consumption value of the electrode; and calculating the adsorption surface tension of the contact surface by using the contact of the flocs and the bubbles;

the fifth module is used for calculating the time required by the adsorption of the air bubbles and the floccules through the contact surface tension; and the fifth module determines the hydration film time generated between the bubbles and the floccules after the bubbles contact with the floccules through the adsorption within the time, and sends the calculation result of the adsorption time of the bubbles and the floccules to the signal receiving end.

As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.