CN217516810U - High-efficient community sewage treatment system of pulsating fluidized bed - Google Patents
High-efficient community sewage treatment system of pulsating fluidized bed Download PDFInfo
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- CN217516810U CN217516810U CN202220524381.3U CN202220524381U CN217516810U CN 217516810 U CN217516810 U CN 217516810U CN 202220524381 U CN202220524381 U CN 202220524381U CN 217516810 U CN217516810 U CN 217516810U
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Abstract
The utility model discloses a high-efficiency community sewage treatment system of a pulsating fluidized bed, which comprises a domestic sewage storage pool, a constant-temperature storage tank, a power circulation device and a fluidized bed reaction device which are connected in sequence through pipelines; the power circulating device comprises a variable frequency circulating pump I and a variable frequency circulating pump II; and the two ends of the first variable-frequency circulating pump and the two ends of the second variable-frequency circulating pump are respectively connected with the constant-temperature storage tank and the fluidized bed reaction device through pipelines. The utility model discloses a frequency conversion circulating pump one and frequency conversion circulating pump two realize two pump intermittent type works to the operation of pulsation sewage liquid stream mode has shortened sewage treatment cycle. The utility model has the characteristics of sewage treatment cycle is short.
Description
Technical Field
The utility model relates to a sewage treatment system, in particular to a high-efficiency community sewage treatment system of a pulsating fluidized bed.
Background
At present, large-scale urban sewage treatment plants which are intensively arranged are far away from residential areas, and domestic wastewater of communities needs to be transported to the large-scale sewage treatment plants through a long sewage pipeline and then is intensively treated. The traditional sewage treatment plant is matched with a large amount of drainage channel systems, and the construction cost of the drainage channel systems is generally higher than that of the urban sewage treatment plant. And the sewage treatment period is long, about 200 hours. The fluidized bed rapidly takes advantage of the advantages of large height-width ratio of the reactor, small occupied area and the like in sewage treatment and develops rapidly, but the current sewage treatment mode of the fluidized bed MFC has low sewage treatment efficiency and small electric energy output power. How to overcome the high construction cost, shorten the sewage treatment cycle, improve the sewage treatment efficiency, and improve the electric energy output power becomes the research focus of relevant technicians.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can effectively shorten sewage treatment cycle's pulsating fluidized bed's high-efficient community sewage treatment system.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
a high-efficiency community sewage treatment system of a pulsating fluidized bed comprises a domestic sewage storage pool, a constant-temperature storage tank, a power circulation device and a fluidized bed reaction device which are sequentially connected through pipelines; the power circulating device comprises a variable-frequency circulating pump I and a variable-frequency circulating pump II; and the two ends of the first variable-frequency circulating pump and the two ends of the second variable-frequency circulating pump are respectively connected with the constant-temperature storage tank and the fluidized bed reaction device through pipelines.
The fluidized bed reaction device comprises a fluidized bed shell, an upper liquid chamber, a fluidized bed main pipe, a liquid distributor and a lower liquid chamber, wherein the upper liquid chamber, the fluidized bed main pipe, the liquid distributor and the lower liquid chamber are distributed in the shell from top to bottom; a special-shaped anode is arranged inside the fluidized bed main body pipe; a carbon cloth cathode is further arranged at the outer port of the side pipeline of the fluidized bed main body pipe; the special-shaped anode is connected with a lead, and the other end of the lead is connected to the carbon cloth cathode after reaching the outer side of the fluidized bed main body pipe through an exhaust valve; and an electric energy storage box is also arranged on the lead outside the fluidized bed main body pipe.
In the efficient community sewage treatment system of the pulsating fluidized bed, the third valve is arranged on a pipeline between the variable-frequency circulating pump I and the fluidized bed reaction device; the fourth valve is arranged on a pipeline between the variable frequency circulating pump II and the fluidized bed reaction device; two supplementing pipelines are also arranged between the constant-temperature storage tank and the fluidized bed reaction device, and a valve five and a valve six are respectively arranged on the supplementing pipelines; and the supplementary pipelines are provided with flowmeters.
The efficient community sewage treatment system of the pulsating fluidized bed is characterized in that sound insulation material shells are coated outside the variable frequency circulating pump I and the variable frequency circulating pump II.
According to the efficient community sewage treatment system of the pulsating fluidized bed, the heat dissipation holes are formed in the rear of the sound insulation material shell.
In the efficient community sewage treatment system of the pulsating fluidized bed, the top of the constant-temperature storage tank is lower than the bottom of the domestic sewage storage pool.
In the efficient community sewage treatment system of the pulsating fluidized bed, the filter net film is arranged at the water outlet at the bottom of the domestic sewage storage tank.
According to the efficient community sewage treatment system of the pulsating fluidized bed, the exhaust valve is arranged at the pipe orifice at the top of the upper liquid chamber.
In the efficient community sewage treatment system of the pulsating fluidized bed, the first valve is arranged on the pipeline between the domestic sewage storage tank and the constant-temperature storage tank,
the efficient community sewage treatment system of the pulsating fluidized bed is characterized in that a water quality monitoring device is further arranged between the fluidized bed reaction device and the purified water storage tank, and the valve is located between the water quality monitoring device and the purified water storage tank.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model discloses a frequency conversion circulating pump one and frequency conversion circulating pump two realize two pump intermittent type works to the operation of pulsation sewage flow mode has shortened sewage treatment cycle. The utility model has the characteristics of sewage treatment cycle is short.
The utility model discloses a fluidized bed processing apparatus carries out the electric energy storage, and the electron reachs the carbon cloth negative pole at last through the electric energy bin along the wire, realizes the storage utilization of electric energy through this mode.
The utility model discloses a flowmeter, three valves, four valves, five valves and six valve and frequency conversion circulating pump one and two cooperations of frequency conversion circulating pump, through reasonable regulation and control, make the system operation under most suitable pulsation liquid flow cycle and amplitude, cooperate fluidized bed processing apparatus's negative electrode disturbance flow field, and then improve alternate transmission in the positive pole room and reaction efficiency.
The utility model discloses in the top of constant temperature holding vessel highly is less than the bottom of domestic sewage reservoir, like this, can make full use of potential energy, effectively reduces the required drive energy consumption of sewage flow.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged partial view of portion A of FIG. 1;
FIG. 3 is a schematic view of a half-section of a domestic sewage storage tank;
FIG. 4 is a schematic view of a power cycle apparatus;
FIG. 5 is a schematic view of a half-section of a fluidized bed reactor;
fig. 6 is a schematic view of a liquid distributor configuration.
The reference numerals in the figures denote: 1. a domestic sewage storage tank; 2. a constant temperature storage tank; 3. a power cycle device; 4. a fluidized bed reaction unit; 5. a water quality monitoring device; 6. a purified water storage tank; 7. filtering a net film; 8. a variable frequency circulating pump I; 9. a variable frequency circulating pump II; 10. a sound insulating material housing; 11. a programmable power supply; 12. heat dissipation holes; 13. a lower liquid chamber; 14. a liquid distributor; 15. a fluidized bed main pipe; 16. a special-shaped anode; 17. A feeding chamber; 18. an exhaust valve; 19. a carbon cloth cathode; 20. a microbial carrier particle; 21. a wire; 22. A flow meter; 23. a first valve; 24. a second valve; 25. a third valve; 26. a valve IV; 27. a fifth valve; 28. a sixth valve; 29. an electrical energy storage tank; 30. an impeller.
Detailed Description
Referring to fig. 1-6, an embodiment of the present invention is shown. The device comprises a domestic sewage storage pool 1, a constant-temperature storage tank 2, a power circulating device 3, a fluidized bed reaction device 4 and a purified water storage tank 6 which are connected in sequence by pipelines; in the process that sewage flows from the domestic sewage storage pool 1 to the purified water storage tank 6, the sewage is purified through the treatment of the constant-temperature storage tank 2, the power cycle device 3 and the fluidized bed reaction device 4.
Referring to fig. 1, in the embodiment, a filtering net film 7 is disposed at a water outlet at the bottom of the domestic sewage storage tank 1, the domestic sewage can be physically filtered and settled in the domestic sewage storage tank 1, settled impurities can be left at the bottom of the tank, and the sewage can be discharged to the constant-temperature storage tank 2 through the filtering net film 7.
Referring to fig. 1, the constant temperature storage tank 2 in this embodiment has a top height lower than a bottom of the domestic sewage storage tank 1. Therefore, the driving energy consumption required by sewage flow can be effectively reduced by utilizing potential energy difference. The constant-temperature storage tank 2 can also adjust the temperature of the sewage and adjust the pH value of the sewage by utilizing acid-base neutralization, so that the temperature and the pH value of the sewage flowing to the fluidized bed are both in the optimal value range of microbial flora in the fluidized bed.
Referring to fig. 1, a first valve 23 is arranged on a pipeline between the domestic sewage storage tank 1 and the constant temperature storage tank 2 in this embodiment, and the first valve 23 can be opened through the valve to control sewage, so that the sewage can flow from the domestic sewage storage tank 1 to the constant temperature storage tank 2.
Referring to fig. 1 and 5, the fluidized bed reactor 4 in this embodiment comprises a fluidized bed housing, and an upper liquid chamber 17, a fluidized bed main pipe 15, a liquid distributor 14 and a lower liquid chamber 13 distributed from top to bottom in the housing; the special-shaped anode 16 is arranged in the fluidized bed main body pipe 15, and the special-shaped anode 16 can effectively enhance the disturbance effect of fluid in the fluidized bed and improve the mass transfer quality. And a carbon cloth cathode 19 is also arranged at the outer port of the side pipeline of the fluidized bed main body pipe 15. The special-shaped anode 16 is connected with a lead 21, and the other end of the lead 21 is connected to the carbon cloth cathode 19 after reaching the outer side of the fluidized bed main body pipe 15 through an exhaust valve 18; the conducting wire 21 outside the fluidized bed main body pipe 15 is also provided with an electric energy storage tank 29, and the electric energy can be collected to the electric energy storage tank 29 for storage through the structure.
Referring to fig. 5, an exhaust valve 18 is arranged at a top pipe orifice of the upper liquid chamber 17, the exhaust valve 18 can release waste gas generated when microorganisms decompose organic matters, and the effective release of the waste gas can relieve the internal air pressure of the fluidized bed; prevent the influence on the liquid outflow speed due to overlarge air pressure. By arranging the exhaust valve 18, the liquid flow speed of sewage flowing into any horizontal section in the fluidized bed shell can be uniform and constant
Referring to fig. 5, in the fluidized bed main body pipe 15 of the present embodiment, microorganism carrier particles 20 are disposed, and the microorganism carrier particles 20 can increase the contact area between microorganisms and organic matters in sewage, thereby improving the sewage decomposition efficiency. And the microorganism particles are arranged inside the main pipe of the fluidized bed, so that the recycling can be realized, and the utilization rate of the microorganism carrier particles 20 is improved. With the above structure, the sewage flowing to the fluidized bed reaction device 4 can be decomposed by microorganisms; exhaust gases resulting from microbial decomposition are removed from exhaust valve 18. The sewage treated in the fluidized-bed reaction apparatus 4 is discharged from the lower liquid chamber 13.
Referring to fig. 1, a power circulation device 3 is further disposed between the constant-temperature storage tank 2 and the fluidized bed reaction device 4 in this embodiment, and the power circulation device 3 includes a first variable-frequency circulation pump 8 and a second variable-frequency circulation pump 9, in which a programmable power supply 11 is disposed; and the two ends of the first variable-frequency circulating pump 8 and the two ends of the second variable-frequency circulating pump 9 are respectively connected with the constant-temperature storage tank 2 and the fluidized bed reaction device 4 through pipelines. The programmable power supply 11 can realize intermittent alternate work of the first variable-frequency circulating pump 8 and the second variable-frequency circulating pump 9, and control sewage to flow in a pulsating mode, so that the speed of the sewage flowing from the constant-temperature storage tank 2 to the fluidized bed reaction device 4 can be effectively increased, and compared with the conventional liquid-solid two-phase flow, the flow efficiency is remarkably improved.
Referring to fig. 4, the first variable frequency circulating pump 8 and the second variable frequency circulating pump 9 are both coated by the sound insulation material shell 10, so that noise is reduced, and influence on life of residents is reduced. The impellers 30 of the first variable frequency circulating pump 8 and the second variable frequency circulating pump 9 are also covered by the sound insulation material shell 10, so that the noise can be reduced to the maximum extent. And heat dissipation holes 12 are formed in the rear of the sound insulation material shell 10, and the heat dissipation holes 12 are beneficial to heat dissipation of the first variable frequency circulating pump 8 and the second variable frequency circulating pump 9 during working.
Referring to fig. 1, a water quality detecting device is further disposed between the fluidized bed reactor 4 and the purified water storage tank 6 in this embodiment. The water quality monitoring device can determine whether the water quality reaches the standard, and accordingly, whether purified sewage can be discharged into the purified water storage tank 6 and when untreated sewage is injected into the fluidized bed shell can be judged.
Referring to fig. 1, the present embodiment further includes a second valve 24, a third valve 25, and a fourth valve 26; the second valve 24 is positioned between the water quality monitoring device 5 and the purified water storage tank 6; the third valve 25 is arranged on a pipeline between the variable frequency circulating pump I8 and the fluidized bed reaction device 4; the fourth valve 26 is arranged on a pipeline between the variable frequency circulating pump II 9 and the fluidized bed reaction device 4; two supplementary pipelines are arranged between the constant-temperature storage tank 2 and the fluidized bed reaction device 4, and a valve five 27 and a valve six 28 are respectively arranged on the supplementary pipelines; the supplementary pipelines are each provided with a flow meter 22. The flow meter 22 can detect the flow rate of the sewage, and the flow rate of the sewage is adjusted by matching with the first variable frequency circulating pump 8 and the second variable frequency circulating pump 9, so that the fluidized bed reaction device 4 is in the most appropriate pulse liquid flow period and amplitude.
The working process of the embodiment is as follows: and discharging the sewage generated by the community into a domestic sewage storage pool 1 for natural sedimentation. And when the sewage is purified, opening the first valve 23, closing the second valve 24, and enabling the sewage to flow out of the filtering net film 7 at the bottom of the domestic sewage storage pool 1 and flow to the constant-temperature storage tank 2 through the pipeline and the first valve 23. The constant-temperature storage tank 2 adjusts the temperature of the sewage and neutralizes the acid and the base, so that the sewage can be in the optimum temperature range and pH value range of the microbial flora when flowing into the fluidized bed shell. And then closing the first valve 23, opening the first variable-frequency circulating pump 8, opening the third valve 25 and the fifth valve 27, closing the fourth valve 26 and the sixth valve 28, and driving the sewage to enter the fluidized bed reaction device 4 from the liquid dropping chamber 13 under the drive of the first variable-frequency circulating pump 8. In the fluidized bed reactor 4, the microorganism colony cultured on the microorganism carrier particle 20 decomposes the organic matters in the sewage, and during the decomposition, the microorganism discharges and the electric energy is stored in the electric energy storage tank 29. And (3) starting the variable frequency circulating pump II 9, opening the valve IV 26 and the valve VI 28, closing the valve III 25 and the valve V27, and driving the sewage to enter the fluidized bed reaction device 4 from the liquid discharge chamber 13 under the drive of the variable frequency circulating pump II 9. And when the water quality monitoring device 5 monitors that the sewage treated by the fluidized bed reaction device 4 reaches the purification index, the second valve 24 is opened, and the purified sewage flows into the purified water storage tank 6. And after the purified water is completely discharged, closing the second valve 24, and opening the first valve 23 to perform the next water quality purification cycle.
Claims (10)
1. The utility model provides a sewage treatment system of high-efficient community of pulsating fluidized bed which characterized in that: comprises a domestic sewage storage pool (1), a constant-temperature storage tank (2), a power circulating device (3) and a fluidized bed reaction device (4) which are connected in sequence through pipelines; the power circulating device (3) comprises a variable-frequency circulating pump I (8) and a variable-frequency circulating pump II (9); and the two ends of the variable-frequency circulating pump I (8) and the variable-frequency circulating pump II (9) are respectively connected with the constant-temperature storage tank (2) and the fluidized bed reaction device (4) through pipelines.
2. The high efficiency community wastewater treatment system of a pulsed fluidized bed of claim 1, wherein: the fluidized bed reaction device (4) comprises a fluidized bed shell, an upper liquid chamber (17), a fluidized bed main pipe (15), a liquid distributor (14) and a lower liquid chamber (13), wherein the upper liquid chamber, the fluidized bed main pipe, the liquid distributor and the lower liquid chamber are distributed in the shell from top to bottom; a special-shaped anode (16) is arranged inside the fluidized bed main pipe (15); a carbon cloth cathode (19) is further arranged at the outer port of the side pipeline of the fluidized bed main pipe (15); the special-shaped anode (16) is connected with a lead (21), and the other end of the lead (21) is connected to the carbon cloth cathode (19) after reaching the outer side of the fluidized bed main body pipe (15) through an exhaust valve (18); an electric energy storage tank (29) is also arranged on the lead (21) outside the fluidized bed main body pipe (15).
3. The high efficiency community wastewater treatment system of a pulsed fluidized bed of claim 1, wherein: the device also comprises a valve III (25) and a valve IV (26); the third valve (25) is arranged on a pipeline between the variable-frequency circulating pump I (8) and the fluidized bed reaction device (4); the fourth valve (26) is arranged on a pipeline between the variable-frequency circulating pump II (9) and the fluidized bed reaction device (4); two supplementing pipelines are also arranged between the constant-temperature storage tank (2) and the fluidized bed reaction device (4), and a valve five (27) and a valve six (28) are respectively arranged on the supplementing pipelines; and flow meters (22) are arranged on the supplementary pipelines.
4. The high efficiency community wastewater treatment system of a pulsed fluidized bed of claim 1, wherein: and sound insulation material shells (10) are coated outside the variable frequency circulating pump I (8) and the variable frequency circulating pump II (9).
5. The high efficiency community wastewater treatment system of a pulsed fluidized bed of claim 4, wherein: the rear part of the sound insulation material shell (10) is provided with a heat dissipation hole (12).
6. The high efficiency community wastewater treatment system of a pulsed fluidized bed of claim 1, wherein: the top of the constant-temperature storage tank (2) is lower than the bottom of the domestic sewage storage pool (1).
7. The high efficiency community sewage treatment system of a pulsating fluidized bed as defined in claim 1, wherein: a filter net film (7) is arranged at a water outlet at the bottom of the domestic sewage storage tank (1).
8. The high efficiency community wastewater treatment system of a pulsed fluidized bed of claim 2, wherein: an exhaust valve (18) is arranged at the top pipe orifice of the upper liquid chamber (17).
9. The high efficiency community sewage treatment system of a pulsating fluidized bed as defined in claim 1, wherein: and a first valve (23) is arranged on a pipeline between the domestic sewage storage tank (1) and the constant-temperature storage tank (2).
10. The high efficiency community wastewater treatment system of a pulsed fluidized bed of claim 1, wherein: still be equipped with water quality monitoring device between fluidized bed reaction unit (4) and water purification holding vessel (6), be equipped with valve two (24) on the pipeline between water quality monitoring device (5) and water purification holding vessel (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220524381.3U CN217516810U (en) | 2022-03-11 | 2022-03-11 | High-efficient community sewage treatment system of pulsating fluidized bed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220524381.3U CN217516810U (en) | 2022-03-11 | 2022-03-11 | High-efficient community sewage treatment system of pulsating fluidized bed |
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| CN217516810U true CN217516810U (en) | 2022-09-30 |
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| CN202220524381.3U Active CN217516810U (en) | 2022-03-11 | 2022-03-11 | High-efficient community sewage treatment system of pulsating fluidized bed |
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- 2022-03-11 CN CN202220524381.3U patent/CN217516810U/en active Active
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