CN114315056B - Sewage deodorization clean system based on microorganism - Google Patents
Sewage deodorization clean system based on microorganism Download PDFInfo
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Abstract
The invention relates to a sewage deodorization and purification system based on microorganisms, and relates to the technical field of deodorization and purification. The invention adds the microorganism deodorant into the deodorization box to perform deodorization and purification treatment on the sewage, an odor detector and a light sensor are arranged in the deodorization box, a control unit is arranged, whether the purification and decomposition of the microbial deodorant on the sewage are completed or not is determined by an analysis module of the control unit according to the odor concentration value and the light transmittance detected by the odor detector, and when the determination is not completed, the deodorant is added into the deodorization box to accelerate the deodorization and purification, through arranging a pH detector in the deodorization box and setting a preset pH value in the analysis module, when the analysis module judges that the deodorization and purification are not finished, the odor concentration value reaches the standard and the light transmittance does not reach the standard, whether sewage purification is finished or not is judged again according to the comparison result of the pH value in the deodorization box and the preset pH value, and the control precision of the deodorization and purification system is improved, so that the deodorization and purification efficiency is further improved.
Description
Technical Field
The invention relates to the technical field of deodorization and purification, in particular to a sewage deodorization and purification system based on microorganisms.
Background
With the rapid development of economy, sewage generated in various aspects such as industry and life becomes a big problem of modern society, and the treatment of sewage becomes a problem to be solved urgently, and due to the complexity of sewage, the sewage treatment is always difficult, or difficult to treat, and can not reach the discharge standard, or the cost is higher during the treatment, and the treatment difficulty is big, and the treatment mode of the existing sewage is various, and has corresponding treatment mode aiming at different sewage.
However, many sewage which is not properly treated is discharged to soil or rivers through drainage ditches, so that the soil and the rivers are polluted, particularly domestic sewage is not treated and is directly discharged, and the phenomenon of random discharge still occurs although the sewage discharge is strictly checked.
The existing sewage treatment system is high in cost, is not suitable for treatment of domestic sewage or is low in cost, but the treatment effect is difficult to control, the discharge standard after treatment cannot be achieved, and the sewage purification efficiency is low.
Disclosure of Invention
Therefore, the invention provides a sewage deodorization and purification system based on microorganisms, which is used for solving the problem of low purification efficiency caused by difficulty in controlling the treatment effect during domestic sewage treatment in the prior art.
To achieve the above objects, the present invention provides a microorganism-based sewage deodorizing and purifying system, comprising:
the deodorization mechanism comprises a deodorization box, an odor detector, an optical sensor, a sewage port, a deodorant port and a stirrer, wherein the deodorization box is used for decomposing and deodorizing sewage through microorganisms;
the impurity filtering mechanism is connected with the deodorization mechanism and comprises an impurity filtering and transmitting device used for filtering the mixed water decomposed by the microorganisms and an impurity storage box used for storing the filtered impurities;
the sedimentation tank is connected with the deodorization mechanism through a pipeline and is used for discharging or carrying out other treatments after the filtered mixed water is precipitated;
the control unit is respectively connected with the deodorization mechanism and the impurity filtering mechanism, and comprises an acquisition module for acquiring an odor concentration value of the odor detector and the light transmittance of the optical sensor, an analysis module for analyzing whether the decomposition of the microorganisms on the sewage is completed or not according to the odor concentration value and the light transmittance, and an adjustment module for adjusting parameters of the deodorization and purification system when the analysis module judges that the decomposition is not completed.
Furthermore, a liquid level sensor is further mounted on the side wall of the deodorization box, the liquid level sensor detects the height G of the sewage liquid level injected into the deodorization box in real time and transmits the height G to the acquisition module, and the acquisition module determines the deodorization dosage injected into the deodorization box according to the liquid level height;
wherein the acquisition module is provided with a first preset liquid level height G1, a second liquid level height G2, a third liquid level height G3, a first deodorant amount M1, a second deodorant amount M2 and a third deodorant amount M3, wherein G1 is more than G2 is more than G3, M1 is more than M2 is more than M3,
when G is not more than G1, the acquisition module sets the deodorization dose injected into the deodorization box to be a first deodorization dose M1;
when G1 is more than G and less than or equal to G2, the obtaining module sets the deodorization agent amount injected into the deodorization box to be a second deodorization agent amount M2;
when G2 < G.ltoreq.G 3, the obtaining module sets the deodorization amount injected into the deodorization tank to a third deodorization amount M3.
Further, when the obtaining module determines the deodorization dose and finishes injecting the deodorant into the deodorization box, the adjusting module controls the stirrer to start stirring and mixing the sewage and the deodorant in the deodorization box at a high speed Vg, and controls the stirrer to stir the sewage and the deodorant in the deodorization box at a low speed Vd when stirring is carried out for a first preset time t1, wherein Vg is greater than Vd.
Further, the obtaining module is further configured to compare the odor concentration value C with a preset odor concentration value C0 and compare the light transmittance R with a preset light transmittance R0 when the adjusting module controls the agitator to agitate the sewage and the deodorant in the deodorization tank at the low speed Vd for a second preset time period t2, and the analyzing module determines whether the purification of the sewage is completed according to the comparison result, wherein,
if C is less than or equal to C0 and R is greater than or equal to R0, the analysis module judges that the sewage purification is finished;
the analysis module determines that the wastewater purification is not complete if C > C0 and/or R < R0.
Further, the adjusting module is also used for controlling to open a sewage discharge device at the lower part of the deodorization box and start the impurity filtering and conveying device when the analyzing module judges that the sewage purification is finished.
Further, the adjusting module is further configured to calculate an odor concentration difference Δ C between the odor concentration value C and a preset odor concentration value C0 when the analyzing module determines that the sewage purification is not completed, set Δ C = C-C0, select a corresponding adjusting coefficient according to a comparison result between the odor concentration difference and the preset odor concentration difference to adjust the deodorizing dosage injected into the deodorizing tank,
wherein the adjusting module is further provided with a first preset odor concentration difference value delta C1, a second preset odor concentration difference value delta C2, a first deodorant dose adjusting coefficient K1, a second deodorant dose adjusting coefficient K2 and a third deodorant dose adjusting coefficient K3, wherein delta C1 is more than delta C2, K1 is more than 1 and more than K2 is more than K3 and less than 1.5,
when the delta C is less than or equal to the delta C1, the adjusting module selects a first deodorization dose adjusting coefficient K1 to adjust the deodorization dose injected into the deodorization box;
when the delta C is more than or equal to delta C1 and less than or equal to delta C2, the adjusting module selects a second deodorization dose adjusting coefficient K2 to adjust the deodorization dose injected into the deodorization box;
when the delta C is larger than the delta C2, the adjusting module selects a third deodorization dose adjusting coefficient K3 to adjust the deodorization dose injected into the deodorization box;
when the adjusting module selects the ith deodorization dose adjusting coefficient Ki to adjust the deodorization dose injected into the deodorization box, i =1, 2 and 3 are set, the adjusting module sets the adjusted dose of the deodorization agent to Mk, Mk = Mn multiplied by Ki, the adjusting module controls the addition of the deodorization agent with the dose of Me to the deodorization box, and Me = Mk-Mn is set.
Further, the adjusting module is further configured to calculate a light transmittance difference Δ R between the light transmittance R and a preset light transmittance R0 when the analyzing module determines that the sewage purification is not completed, set Δ R = R0-R, select a corresponding adjusting coefficient according to a comparison result of the light transmittance difference and the preset light transmittance difference to adjust the low rotation speed Vd,
wherein the adjusting module is further provided with a first light transmittance difference delta R1, a second light transmittance difference delta R2, a first rotating speed adjusting coefficient Kv1, a second rotating speed adjusting coefficient Kv2 and a third rotating speed adjusting coefficient Kv3, wherein delta R1 is more than delta R2, Kv3 is more than 0.5 and more than Kv2 and more than Kv1 is less than 1,
when the delta R is less than or equal to the delta R1, the adjusting module selects a first rotating speed adjusting coefficient Kv1 to adjust the low rotating speed Vd;
when the delta R is more than or equal to delta R1 and less than or equal to delta R2, the adjusting module selects a second rotating speed adjusting coefficient Kv2 to adjust the low rotating speed Vd;
when the delta R is larger than the delta R2, the adjusting module selects a third rotating speed adjusting coefficient Kv3 to adjust the low rotating speed Vd;
when the adjusting module selects a j-th rotating speed adjusting coefficient Kvj to adjust the low rotating speed Vd, j =1, 2 and 3 are set, the adjusting module sets the adjusted rotating speed of the stirrer to be Vdk, and the Vdk = Vdx Kvj is set.
Further, a pH detector for detecting the pH value of the sewage in the deodorization tank is arranged in the deodorization tank, the acquisition module is further used for acquiring the pH value Q of the sewage when the analysis module judges that the sewage purification is not finished, C is more than C0 and R is less than R0, and determining whether the sewage purification is finished or not according to the comparison result of the pH value and a preset pH value Q0,
if Q is larger than or equal to Q0, the analysis module judges that the sewage purification is finished;
and if Q is less than Q0, the analysis module judges that the sewage purification is not finished.
Further, the adjusting module is further configured to calculate a difference Δ Q between the pH Q and a preset pH Q0 when the analyzing module determines that the sewage purification is not completed, set Δ Q = Q0-Q, and select a corresponding correction coefficient to correct the deodorization amount according to a comparison result of the difference and the preset difference,
wherein the adjusting module is further provided with a first preset difference value delta Q1, a second preset difference value delta Q2, a first deodorant dose correction coefficient X1, a second deodorant dose correction coefficient X2 and a third deodorant dose correction coefficient X3, wherein delta Q1 is more than delta Q2,1 is more than X1 is more than X2 is more than X3 is more than 1.5,
when the delta Q is less than or equal to the delta Q1, the adjusting module selects a first deodorization dose correction coefficient X1 to correct the deodorization dose injected into the deodorization box;
when the delta Q is more than or equal to delta Q1 and less than or equal to delta Q2, the adjusting module selects a second deodorization dose correction coefficient X2 to correct the deodorization dose injected into the deodorization box;
when the delta Q is larger than the delta Q2, the adjusting module selects a third deodorization dose correction coefficient X3 to correct the deodorization dose injected into the deodorization box;
when the adjusting module selects the s-th deodorization dose correction coefficient Xs to correct the deodorization dose injected into the deodorization box, s =1, 2 and 3 are set, the adjusting module sets the corrected deodorization dose to Mx, Mx = Mk multiplied by Xs is set, the adjusting module controls the addition of the deodorization agent with the dose of Me 'into the deodorization box, and Me' = Mx-Mk is set.
Further, the analysis module is further provided with a maximum deodorization dose Mmax, when the adjustment module finishes correcting the deodorization dose, the analysis module compares the corrected deodorization dose Mx with the maximum deodorization dose Mmax, if Mx is larger than Mmax, the adjustment module controls the addition of the deodorant of Mx to the deodorization box, calculates the deodorization dose difference value delta M between the deodorization dose Mx and the maximum deodorization dose Mmax, sets delta M = Mx-Mmax, and selects a corresponding rotation speed compensation coefficient according to the comparison result of the difference value and a preset deodorization dose difference value to compensate the high rotation speed of the stirrer,
wherein the adjusting module is further provided with a first preset deodorant amount difference delta M1, a second preset deodorant amount difference delta M2, a first rotating speed compensation coefficient U1, a second rotating speed compensation coefficient U2 and a third rotating speed compensation coefficient U3, wherein delta M1 is less than delta M2, 1 is more than U1 is more than U2 is more than U3 is more than 1.5,
when the delta M is less than or equal to the delta M1, the adjusting module selects a first rotation speed compensation coefficient U1 to compensate the high rotation speed Vg of the stirrer;
when the delta M is more than or equal to the delta M1 and less than or equal to the delta M2, the adjusting module selects a second rotating speed compensation coefficient U2 to compensate the high rotating speed Vg of the stirrer;
when the delta M is larger than the delta M2, the adjusting module selects a third rotating speed compensation coefficient U3 to compensate the high rotating speed Vg of the stirrer;
when the adjusting module selects an f-th rotating speed compensation coefficient Uf to compensate the high rotating speed Vg of the stirrer, f =1, 2, 3 is set, the adjusting module sets the compensated high rotating speed of the stirrer to Vgu, and Vgu = Vg × Uf is set.
Compared with the prior art, the sewage treatment system has the advantages that the microbial deodorant is added into the deodorization box to carry out deodorization and purification treatment on the sewage, the deodorization box is provided with the odor detector and the optical sensor, the control unit is arranged, whether the purification and decomposition of the microbial deodorant on the sewage is completed or not is determined through the analysis module of the control unit according to the odor concentration value and the light transmittance detected by the odor detector, and when the determination is not completed, the deodorant is added into the deodorization box to accelerate the deodorization and purification, so that the control precision of the deodorization and purification system is improved, and the deodorization and purification efficiency is further improved.
Furthermore, the liquid level sensor is arranged on the side wall of the deodorization box, and the deodorization dose initially added to the deodorization box is determined according to the comparison result of the liquid level height detected by the liquid level sensor and the preset liquid level heights, so that the control precision of the deodorization and purification system is further improved, and the deodorization and purification efficiency is further improved.
Further, when the deodorant is added into the deodorization tank, the deodorant and the sewage in the deodorization tank are firstly stirred at a high speed for a first preset time through the stirrer, and then stirred at a low speed after being stirred at the high speed, so that the microbial deodorant and the sewage are fully mixed, and the sewage is deodorized and decomposed.
Furthermore, the control precision of the deodorization and purification system is further improved by setting a preset odor concentration value and a preset light transmittance at the analysis module, acquiring an actual odor concentration value and a light transmittance in the deodorization box when the stirrer stirs the sewage and the deodorant at a low speed for a second preset time period, and determining whether the purification of the sewage is completed according to a comparison result of the actual odor concentration value and the light transmittance and the preset odor concentration value and the preset light transmittance, so that the deodorization and purification efficiency is further improved.
Furthermore, the control precision of the deodorization and purification system is further improved, and the deodorization and purification efficiency is further improved.
Furthermore, the control precision of the deodorization and purification system is further improved by arranging the pH detector in the deodorization box, setting the preset pH value in the analysis module, and judging whether the sewage purification is finished or not according to the comparison result of the pH value in the deodorization box and the preset pH value when the analysis module judges that the deodorization and purification is not finished, the odor concentration value reaches the standard and the light transmittance does not reach the standard, so that the deodorization and purification efficiency is further improved.
Furthermore, the invention further improves the control precision of the deodorization and purification system and reduces the resource waste by setting a plurality of preset difference values and deodorization dose correction coefficients in the adjusting module, calculating the difference value between the pH value and the preset pH value when the analyzing module judges that the deodorization and purification of the sewage is not finished according to the comparison result of the actually detected pH value and the preset pH value, and selecting the corresponding deodorization dose correction coefficient according to the comparison result of the difference value and the preset difference values to correct the dose of the deodorant injected into the deodorization box, thereby further improving the deodorization and purification efficiency.
Drawings
FIG. 1 is a schematic view showing the construction of a microorganism-based sewage deodorizing and purifying system according to the present invention;
FIG. 2 is a logic block diagram of a control unit in the microorganism-based sewage deodorizing and purifying system according to the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in conjunction with the following examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a microorganism-based sewage deodorizing and purifying system according to the present invention; FIG. 2 is a logic block diagram of a control unit in the microorganism-based sewage deodorizing and purifying system according to the present invention.
The invention relates to a sewage deodorization and purification system based on microorganisms, which comprises:
the deodorization mechanism 1 comprises a deodorization box 11 for decomposing and deodorizing sewage by microorganisms, an odor detector 12 arranged on the side wall of the deodorization box 11 for detecting odor of the sewage and an optical sensor 13 for detecting light transmittance of the sewage in the microbial decomposition process, a deodorization port 14 and a sewage port 15 arranged at the upper part of the deodorization box 11, and a stirrer 16 arranged on the deodorization box 11 for stirring the sewage in the microbial decomposition process, wherein the deodorization port 14 is connected with a deodorization box 17;
a foreign matter filtering mechanism 2 connected to the deodorizing mechanism 1, the magazine filtering mechanism 2 including a foreign matter filtering and transmitting device 21 for filtering the mixed water decomposed by the microorganisms and a foreign matter storage box 22 for storing the filtered foreign matter;
the sedimentation tank 3 is connected with the deodorization mechanism through a pipeline 19, and the sedimentation tank 3 is used for precipitating the filtered mixed water and then discharging or carrying out other treatment;
the control unit (not shown in the figure) is respectively connected with the deodorization mechanism and the impurity filtering mechanism, and comprises an acquisition module for acquiring the value of the odor detector in the deodorization mechanism and the light transmittance of the optical sensor, an analysis module for analyzing whether the decomposition of the microorganisms on the sewage is finished or not according to the odor concentration value and the light transmittance, and an adjusting module for adjusting the parameters of the deodorization and purification system when the analysis module judges that the decomposition is not finished.
Specifically, a liquid level sensor (not shown in the figure) is further installed on the side wall of the deodorization box 1, the liquid level sensor detects the height G of the sewage liquid level injected into the deodorization box in real time and transmits the detected height G to the acquisition module, and the acquisition module determines the deodorization dosage injected into the deodorization box according to the liquid level height; when sewage is injected into the deodorization tank, the acquisition module acquires the liquid level height G in the deodorization tank detected by the liquid level sensor and determines the deodorization dosage injected into the deodorization tank according to the liquid level height,
wherein the acquisition module is provided with a first preset liquid level height G1, a second liquid level height G2, a third liquid level height G3, a first deodorant amount M1, a second deodorant amount M2 and a third deodorant amount M3, wherein G1 is more than G2 is more than G3, M1 is more than M2 is more than M3,
when G is not more than G1, the acquisition module sets the deodorization dose injected into the deodorization box to be a first deodorization dose M1;
when G1 is more than G and less than or equal to G2, the obtaining module sets the deodorization agent amount injected into the deodorization box to be a second deodorization agent amount M2;
when G2 < G.ltoreq.G 3, the obtaining module sets the deodorization amount injected into the deodorization tank to a third deodorization amount M3.
Specifically, when the obtaining module determines the deodorization dose and finishes injecting the deodorant into the deodorization box, the adjusting module controls the stirrer to start stirring and mixing the sewage and the deodorant in the deodorization box at a high speed Vg, and controls the stirrer to stir the sewage and the deodorant in the deodorization box at a low speed Vd when stirring is carried out for a first preset time period t 1.
Specifically, the obtaining module is further configured to obtain the odor concentration value C and the light transmittance R when the adjusting module controls the stirrer to stir the sewage and the deodorant in the deodorization box at the low speed Vd to a second preset time period t2, and compare the odor concentration value C with a preset odor concentration value C0, and compare the light transmittance R with a preset light transmittance R0, and the analyzing module determines whether the purification of the sewage is completed according to the comparison result,
if C is less than or equal to C0 and R is greater than or equal to R0, the analysis module judges that the sewage purification is finished;
the analysis module determines that the wastewater purification is not complete if C > C0 and/or R < R0.
Specifically, the adjusting module is further used for controlling to open a sewage draining device at the lower part of the deodorization box and start the impurity filtering and conveying device when the analyzing module judges that the sewage purification is finished.
According to the embodiment of the invention, the sewage discharge device is a sewage discharge valve or a sewage discharge pump.
Specifically, the adjusting module is further configured to calculate an odor concentration difference Δ C between the odor concentration value C and a preset odor concentration value C0, set Δ C = C-C0, and select a corresponding adjusting coefficient to adjust the deodorizing dosage injected into the deodorizing tank according to a comparison result between the odor concentration difference and the preset odor concentration difference when the analyzing module determines that the sewage purification is not completed,
wherein the adjusting module is further provided with a first preset odor concentration difference value delta C1, a second preset odor concentration difference value delta C2, a first deodorant dose adjusting coefficient K1, a second deodorant dose adjusting coefficient K2 and a third deodorant dose adjusting coefficient K3, wherein delta C1 is more than delta C2, K1 is more than 1 and more than K2 is more than K3 and less than 1.5,
when the delta C is less than or equal to the delta C1, the adjusting module selects a first deodorization dose adjusting coefficient K1 to adjust the deodorization dose injected into the deodorization box;
when the delta C is more than or equal to delta C1 and less than or equal to delta C2, the adjusting module selects a second deodorization dose adjusting coefficient K2 to adjust the deodorization dose injected into the deodorization box;
when the delta C is larger than the delta C2, the adjusting module selects a third deodorization dose adjusting coefficient K3 to adjust the deodorization dose injected into the deodorization box;
when the adjusting module selects the ith deodorization dose adjusting coefficient Ki to adjust the deodorization dose injected into the deodorization box, i =1, 2 and 3 are set, the adjusting module sets the adjusted dose of the deodorization agent to Mk, Mk = Mn multiplied by Ki, the adjusting module controls the addition of the deodorization agent with the dose of Me to the deodorization box, and Me = Mk-Mn is set.
Specifically, the adjusting module is further configured to calculate a light transmittance difference Δ R between the light transmittance R and a preset light transmittance R0 when the analyzing module determines that the sewage purification is not completed, set Δ R = R0-R, select a corresponding adjusting coefficient according to a comparison result of the light transmittance difference and the preset light transmittance difference to adjust the low rotation speed Vd,
wherein the adjusting module is further provided with a first light transmittance difference delta R1, a second light transmittance difference delta R2, a first rotating speed adjusting coefficient Kv1, a second rotating speed adjusting coefficient Kv2 and a third rotating speed adjusting coefficient Kv3, wherein delta R1 is more than delta R2, Kv3 is more than 0.5 and more than Kv2 and more than Kv1 is less than 1,
when the delta R is less than or equal to the delta R1, the adjusting module selects a first rotating speed adjusting coefficient Kv1 to adjust the low rotating speed Vd;
when the delta R is more than or equal to delta R1 and less than or equal to delta R2, the adjusting module selects a second rotating speed adjusting coefficient Kv2 to adjust the low rotating speed Vd;
when the delta R is larger than the delta R2, the adjusting module selects a third rotating speed adjusting coefficient Kv3 to adjust the low rotating speed Vd;
when the adjusting module selects a j-th rotating speed adjusting coefficient Kvj to adjust the low rotating speed Vd, j =1, 2 and 3 are set, the adjusting module sets the adjusted rotating speed of the stirrer to be Vdk, and the Vdk = Vdx Kvj is set.
Specifically, a pH detector 18 for detecting a pH value of the sewage in the deodorization tank is further disposed in the deodorization tank, the obtaining module is further configured to obtain a pH value Q of the sewage when the analysis module determines that the purification of the sewage is not completed, C is greater than C0, and R is less than R0, and determine whether the purification of the sewage is completed according to a comparison result between the pH value and a preset pH value Q0,
if Q is larger than or equal to Q0, the analysis module judges that the sewage purification is finished;
and if Q is less than Q0, the analysis module judges that the sewage purification is not finished.
Specifically, the adjusting module is further configured to calculate a difference Δ Q between the pH Q and a preset pH Q0 when the analyzing module determines that the sewage purification is not completed, set Δ Q = Q0-Q, and select a corresponding correction coefficient to correct the deodorization amount according to a comparison result between the difference and the preset difference,
wherein the adjusting module is further provided with a first preset difference value delta Q1, a second preset difference value delta Q2, a first deodorant dose correction coefficient X1, a second deodorant dose correction coefficient X2 and a third deodorant dose correction coefficient X3, wherein delta Q1 is more than delta Q2,1 is more than X1 is more than X2 is more than X3 is more than 1.5,
when the delta Q is less than or equal to the delta Q1, the adjusting module selects a first deodorization dose correction coefficient X1 to correct the deodorization dose injected into the deodorization box;
when the delta Q is more than or equal to delta Q1 and less than or equal to delta Q2, the adjusting module selects a second deodorization dose correction coefficient X2 to correct the deodorization dose injected into the deodorization box;
when delta Q is larger than delta Q2, the adjusting module selects a third deodorization dose correction coefficient X3 to correct the deodorization dose injected into the deodorization box;
when the adjusting module selects the s-th deodorization dose correction coefficient Xs to correct the deodorization dose injected into the deodorization box, s =1, 2 and 3 are set, the adjusting module sets the corrected deodorization dose to Mx, Mx = Mk multiplied by Xs is set, the adjusting module controls the addition of the deodorization agent with the dose of Me 'into the deodorization box, and Me' = Mx-Mk is set.
Specifically, the analysis module is further provided with a maximum deodorant dose Mmax, when the adjustment module finishes correcting the deodorant dose, the analysis module compares the corrected deodorant dose Mx with the maximum deodorant dose Mmax, if Mx is larger than Mmax, the adjustment module controls the addition of Mx deodorant to the deodorant box, calculates a deodorant dose difference Δ M between the deodorant dose Mx and the maximum deodorant dose Mmax, sets Δ M = Mx-Mmax, and selects a corresponding rotation speed compensation coefficient according to a comparison result of the difference and a preset deodorant dose difference to compensate for the high rotation speed of the agitator,
wherein the adjusting module is further provided with a first preset deodorant amount difference delta M1, a second preset deodorant amount difference delta M2, a first rotating speed compensation coefficient U1, a second rotating speed compensation coefficient U2 and a third rotating speed compensation coefficient U3, wherein delta M1 is less than delta M2, 1 is more than U1 is more than U2 is more than U3 is more than 1.5,
when the delta M is less than or equal to the delta M1, the adjusting module selects a first rotation speed compensation coefficient U1 to compensate the high rotation speed Vg of the stirrer;
when the delta M is more than or equal to delta M1 and less than or equal to delta M2, the adjusting module selects a second rotating speed compensation coefficient U2 to compensate the high rotating speed Vg of the stirrer;
when the delta M is larger than the delta M2, the adjusting module selects a third rotating speed compensation coefficient U3 to compensate the high rotating speed Vg of the stirrer;
when the adjusting module selects an f-th rotating speed compensation coefficient Uf to compensate the high rotating speed Vg of the stirrer, f =1, 2, 3 is set, the adjusting module sets the compensated high rotating speed of the stirrer to Vgu, and Vgu = Vg × Uf is set.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A sewage deodorization and purification system based on microorganisms is characterized by comprising:
the deodorization mechanism comprises a deodorization box, an odor detector, an optical sensor, a sewage port, a deodorant port and a stirrer, wherein the deodorization box is used for decomposing and deodorizing sewage through microorganisms;
the impurity filtering mechanism is connected with the deodorization mechanism and comprises an impurity filtering and transmitting device used for filtering the mixed water decomposed by the microorganisms and an impurity storage box used for storing the filtered impurities;
the sedimentation tank is connected with the deodorization mechanism through a pipeline and is used for precipitating and discharging the filtered mixed water;
the control unit is respectively connected with the deodorization mechanism and the impurity filtering mechanism and comprises an acquisition module used for acquiring an odor concentration value C of the odor detector and a light transmittance R of the optical sensor, an analysis module used for analyzing whether the purification of the microorganisms on the sewage is finished or not according to the odor concentration value C and the light transmittance R, and an adjusting module used for adjusting parameters of the deodorization and purification system when the analysis module judges that the purification is not finished;
the side wall of the deodorization box is also provided with a liquid level sensor, the liquid level sensor is used for detecting the liquid level height G of sewage injected into the deodorization box in real time and transmitting the liquid level height G to the acquisition module, and the acquisition module is used for determining the deodorization dosage injected into the deodorization box according to the liquid level height G;
wherein the acquisition module is provided with a first preset liquid level height G1, a second liquid level height G2, a third liquid level height G3, a first deodorant amount M1, a second deodorant amount M2 and a third deodorant amount M3, wherein G1 is more than G2 is more than G3, M1 is more than M2 is more than M3,
when G is less than or equal to G1, the acquisition module sets the deodorization agent amount injected into the deodorization box to be a first deodorization agent amount M1;
when G1 is more than G and less than or equal to G2, the obtaining module sets the deodorization agent amount injected into the deodorization box to be a second deodorization agent amount M2;
when G2 is greater than G and less than or equal to G3, the obtaining module sets the deodorant amount injected into the deodorant box to be a third deodorant amount M3;
the adjusting module is further used for controlling the stirrer to be started at a high rotating speed Vg to stir and mix the sewage and the deodorant in the deodorization box when the obtaining module determines the deodorization dose and finishes injecting the deodorant into the deodorization box, and controlling the stirrer to be decelerated to Vd to stir the sewage and the deodorant in the deodorization box when the stirring is carried out for a first preset time period t 1;
the acquisition module is further used for acquiring the odor concentration value C and the light transmittance R when the adjustment module controls the stirrer to stir the sewage and the deodorant in the deodorization box at the low rotation speed Vd for a second preset time period t2, comparing the odor concentration value C with a preset odor concentration value C0, comparing the light transmittance R with a preset light transmittance R0, and the analysis module judges whether the purification of the sewage is completed according to the comparison result,
if C is less than or equal to C0 and R is greater than or equal to R0, the analysis module judges that the sewage purification is finished;
the analysis module determines that the wastewater purification is not complete if C > C0 and/or R < R0;
the adjusting module is further configured to calculate an odor concentration difference Δ C between the odor concentration value C and a preset odor concentration value C0 when the analyzing module determines that the sewage purification is not completed, set Δ C = C-C0, select a corresponding adjusting coefficient according to a comparison result of the odor concentration difference and the preset odor concentration difference to adjust the deodorizing dosage injected into the deodorizing tank,
wherein the adjusting module is further provided with a first preset odor concentration difference value delta C1, a second preset odor concentration difference value delta C2, a first deodorant dose adjusting coefficient K1, a second deodorant dose adjusting coefficient K2 and a third deodorant dose adjusting coefficient K3, wherein delta C1 is more than delta C2, K1 is more than 1 and more than K2 is more than K3 and less than 1.5,
when the delta C is less than or equal to the delta C1, the adjusting module selects a first deodorization dose adjusting coefficient K1 to adjust the deodorization dose injected into the deodorization box;
when the delta C is more than or equal to delta C1 and less than or equal to delta C2, the adjusting module selects a second deodorization dose adjusting coefficient K2 to adjust the deodorization dose injected into the deodorization box;
when the delta C is larger than the delta C2, the adjusting module selects a third deodorization dose adjusting coefficient K3 to adjust the deodorization dose injected into the deodorization box;
when the adjusting module selects the ith deodorization dose adjusting coefficient Ki to adjust the deodorization dose injected into the deodorization box, i =1, 2 and 3 are set, the adjusting module sets the adjusted dosage of the deodorization agent to Mk, Mk = Mn multiplied Ki, the adjusting module controls the addition of the deodorization agent with the dosage of Me into the deodorization box, Me = Mk-Mn is set, and Mn is M1, M2 or M3;
the adjusting module is further used for calculating a light transmittance difference value delta R between the light transmittance R and a preset light transmittance R0 when the analyzing module judges that the sewage purification is not finished, setting delta R = R0-R, and selecting a corresponding adjusting coefficient according to a comparison result of the light transmittance difference value and the preset light transmittance difference value to adjust the low rotating speed Vd,
wherein the adjusting module is also provided with a first light transmittance difference delta R1, a second light transmittance difference delta R2, a first rotating speed adjusting coefficient Kv1, a second rotating speed adjusting coefficient Kv2 and a third rotating speed adjusting coefficient Kv3, wherein delta R1 is more than delta R2, Kv3 is more than 0.5 and more than Kv2 and more than Kv1 is more than 1,
when the delta R is less than or equal to the delta R1, the adjusting module selects a first rotating speed adjusting coefficient Kv1 to adjust the low rotating speed Vd;
when the delta R is more than 1 and less than or equal to the delta R2, the adjusting module selects a second rotating speed adjusting coefficient Kv2 to adjust the low rotating speed Vd;
when the delta R is larger than the delta R2, the adjusting module selects a third rotating speed adjusting coefficient Kv3 to adjust the low rotating speed Vd;
when the adjusting module selects a jth rotating speed adjusting coefficient Kvj to adjust the low rotating speed Vd, setting j =1, 2 and 3, and setting the rotating speed of the stirrer after adjustment to Vdk and Vdk = Vd × Kvj;
the deodorization box is also internally provided with a pH detector for detecting the pH value of the sewage in the deodorization box, the acquisition module is also used for acquiring the pH value Q of the sewage when the analysis module judges that the sewage purification is not finished, C is not more than C0 and R is less than R0, and determining whether the sewage purification is finished or not according to the comparison result of the pH value and a preset pH value Q0,
if Q is more than or equal to Q0, the analysis module further judges that the sewage purification is finished;
if Q is less than Q0, the analysis module further determines that the sewage purification is not completed;
the adjusting module is further used for calculating a difference value delta Q between the pH value Q and a preset pH value Q0 when the analyzing module further judges that the sewage purification is not finished, setting delta Q = Q0-Q, selecting a corresponding correction coefficient according to a comparison result of the difference value and the preset difference value to correct the deodorization agent amount,
wherein the adjusting module is further provided with a first preset difference value delta Q1, a second preset difference value delta Q2, a first deodorant dose correction coefficient X1, a second deodorant dose correction coefficient X2 and a third deodorant dose correction coefficient X3, wherein delta Q1 is more than delta Q2,1 is more than X1 is more than X2 is more than X3 is more than 1.5,
when the delta Q is less than or equal to the delta Q1, the adjusting module selects a first deodorization dose correction coefficient X1 to correct the deodorization dose injected into the deodorization box;
when the delta Q is more than or equal to delta Q1 and less than or equal to delta Q2, the adjusting module selects a second deodorant dose correction coefficient X2 to correct the deodorant dose injected into the deodorant box;
when the delta Q is larger than the delta Q2, the adjusting module selects a third deodorization dose correction coefficient X3 to correct the deodorization dose injected into the deodorization box;
when the adjusting module selects the s-th deodorization dose correction coefficient Xs to correct the deodorization dose injected into the deodorization box, s =1, 2 and 3 are set, the adjusting module sets the corrected dosage of the deodorization agent to Mx, and sets Mx = Mk × Xs, the adjusting module controls the addition of the deodorization agent with the dosage of Me 'into the deodorization box, and Me' = Mx-Mk is set.
2. The microorganism-based sewage deodorizing and purifying system of claim 1 wherein said adjusting module is further configured to control to open a drain on a lower portion of said deodorizing tank and to activate said impurity filtering and transferring means when said analyzing module determines that the purification of the sewage is completed.
3. The microorganism-based sewage deodorizing and purifying system according to claim 1, wherein said analyzing module further has a maximum deodorizing amount Mmax, when said adjusting module has corrected said deodorizing amount, said analyzing module compares the corrected deodorizing amount Mx with the maximum deodorizing amount Mmax, if Mx > Mmax, said adjusting module calculates a deodorizing amount difference Δ M between the deodorizing amount Mx and the maximum deodorizing amount Mmax, sets Δ M = Mx-Mmax, and selects a corresponding rotation speed compensation coefficient to compensate for the high rotation speed of said agitator based on the comparison result of the difference with the preset deodorizing amount difference,
wherein the adjusting module is further provided with a first preset deodorant amount difference delta M1, a second preset deodorant amount difference delta M2, a first rotating speed compensation coefficient U1, a second rotating speed compensation coefficient U2 and a third rotating speed compensation coefficient U3, wherein delta M1 is less than delta M2, 1 is more than U1 is more than U2 is more than U3 is more than 1.5,
when the delta M is less than or equal to the delta M1, the adjusting module selects a first rotation speed compensation coefficient U1 to compensate the high rotation speed Vg of the stirrer;
when the delta M is more than or equal to delta M1 and less than or equal to delta M2, the adjusting module selects a second rotating speed compensation coefficient U2 to compensate the high rotating speed Vg of the stirrer;
when the delta M is larger than the delta M2, the adjusting module selects a third rotating speed compensation coefficient U3 to compensate the high rotating speed Vg of the stirrer;
when the adjusting module selects an f-th rotating speed compensation coefficient Uf to compensate the high rotating speed Vg of the stirrer, f =1, 2, 3 is set, the adjusting module sets the compensated high rotating speed of the stirrer to Vgu, and Vgu = Vg × Uf is set.
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Denomination of invention: A Microbial Based Wastewater Deodorization and Purification System Effective date of registration: 20230403 Granted publication date: 20220621 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Lishui Suichang sub branch Pledgor: FRAPP'S CHEMICAL ENGINEERING (SUICHANG) Co.,Ltd. Registration number: Y2023980037119 |