CN114105302A

CN114105302A - Low-consumption low-carbon low-sludge high-efficiency intelligent dyeing sewage biological reaction device

Info

Publication number: CN114105302A
Application number: CN202111532451.6A
Authority: CN
Inventors: 李超然
Original assignee: Jiangsu Kede Ecological Environmental Protection Water Treatment Co ltd
Current assignee: Jiangsu Kede Ecological Environmental Protection Water Treatment Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-03-01

Abstract

The invention discloses a low-consumption low-carbon low-sludge high-efficiency intelligent dyeing sewage biological reaction device. The reaction device is provided with an anaerobic cavity, a water storage cavity and an aerobic cavity, wherein an inner cavity of the aerobic cavity is provided with an aeration device and a membrane reactor, the aeration device and the membrane reactor are arranged at intervals, water outlets at the top ends of the membrane reactors are connected with water outlet pipes through pipelines, the aeration device is connected with an air inlet pipe, the air inlet pipe is connected with an air blower, and the air blower supplies air to the aeration device; the open part of the aerobic cavity is provided with a plurality of air suction ports, the air suction ports are connected with an exhaust pipe, the exhaust pipe is communicated with an air inlet pipe, and the exhaust pipe is provided with an air pump. The invention has simple structure, the opening of the aerobic cavity is provided with a plurality of air suction ports, and the residual oxygen just leaving the water surface is collected and enters the air inlet pipe again through the exhaust pipe, so that the residual oxygen just leaving the water surface can be recycled, the energy consumption is reduced, and the electricity charge is saved.

Description

Low-consumption low-carbon low-sludge high-efficiency intelligent dyeing sewage biological reaction device

Technical Field

The invention relates to the technical field of sewage treatment devices, in particular to a low-consumption low-carbon low-sludge high-efficiency intelligent dyeing sewage biological reaction device.

Background

The conventional process for treating sewage at present mainly comprises physicochemical and biochemical processes, and has the physicochemical characteristics that the dosing cost is high and the formed sludge is secondary pollution. In addition, because the biochemical pool is shallow, the dissolved oxygen in the air bubbles in the water is naturally released into the atmosphere without being completely absorbed by the water because the depth of the water is limited, thereby reducing the effect of dissolved oxygen and increasing the waste of electricity.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: overcomes the defects in the prior art and provides a low-consumption, low-carbon, less-sludge, high-efficiency and intelligent dyeing sewage biological reaction device.

The technical scheme adopted by the invention for solving the technical problems is as follows: a low-consumption low-carbon low-sludge efficient intelligent dyeing sewage biological reaction device is provided with an anaerobic cavity, a water storage cavity and an aerobic cavity, wherein the bottom of the side wall of the anaerobic cavity is provided with a sewage inlet pipe, the upper part of the side wall of the anaerobic cavity is provided with an anaerobic cavity water outlet pipe, the anaerobic cavity water outlet pipe leads wastewater into the water storage cavity, and a water suction pump is arranged on the anaerobic cavity water outlet pipe; a water inlet pipe is arranged at the bottom of the side wall of the aerobic cavity and is communicated with the water storage cavity;

an aeration device and a membrane reactor are arranged in the inner cavity of the aerobic cavity, the aeration device and the membrane reactor are arranged at intervals, water outlets at the top end of the membrane reactor are connected with water outlet pipes through pipelines, the aeration device is connected with an air inlet pipe, the air inlet pipe is connected with a blower, and the blower supplies air to the aeration device; the open part of the aerobic cavity is provided with a plurality of air suction ports, the air suction ports are connected with an exhaust pipe, the exhaust pipe is communicated with an air inlet pipe, and the exhaust pipe is provided with an air pump.

Further, aeration equipment includes the stand, and the stand is the hollow tube, and a plurality of aeration poles are installed respectively to the stand both sides, have seted up the aeration hole on the aeration pole, and the aeration pole staggered distribution of both sides.

Furthermore, the water inlets of the anaerobic cavity and the water inlet pipe are respectively provided with a plug flow stirrer.

Furthermore, the bottoms of the anaerobic cavity, the water storage cavity and the aerobic cavity are respectively provided with a conical sedimentation tank, and the bottom of the conical sedimentation tank is provided with a sludge outlet.

Further, the aperture of the aeration hole on the aeration rod is 0.01 mm.

The invention has the beneficial effects that: the invention has simple structure, reasonable design and simple and convenient operation, and has the following advantages:

(1) the plurality of air suction openings are formed in the opening of the aerobic cavity, and the residual oxygen just leaving the water surface is collected and enters the air inlet pipe again through the exhaust pipe, so that the residual oxygen just leaving the water surface can be recycled, the energy consumption is reduced, and the electricity charge is saved;

(2) the invention does not need to add other chemicals, can avoid secondary pollution of the sludge, is beneficial to the subsequent treatment of the sludge,

(3) the aerobic intracavity aeration device and the membrane reactor are arranged at intervals, so that dissolved oxygen generated by the aeration device is fully utilized, the aeration efficiency is improved, and the sewage treatment efficiency is further improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure of the aeration apparatus.

In the figure: 1. the sewage treatment device comprises an anaerobic cavity, 2 water storage cavities, 3 aerobic cavities, 4 sewage inlet pipes, 5 plug flow mixers, 6 aeration devices, 7 membrane reactors, 8 water inlet pipes, 9 air inlet pipes, 10 blowers, 11 water suction pumps, 12 air suction pumps, 13 air suction ports, 14 water outlet pipes, 15 air exhaust pipes, 61 stand columns and 62 aeration rods.

Detailed Description

The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The low-consumption low-carbon low-sludge efficient intelligent dyeing sewage biological reaction device shown in the figures 1-2 is provided with an anaerobic cavity 1, a water storage cavity 2 and an aerobic cavity 3, wherein a sewage inlet pipe 4 is arranged at the bottom of the side wall of the anaerobic cavity 1, an anaerobic cavity water outlet pipe is arranged at the upper part of the side wall of the anaerobic cavity 1, the anaerobic cavity water outlet pipe leads wastewater into the water storage cavity 2, and a water suction pump 11 is arranged on the anaerobic cavity water outlet pipe; a water inlet pipe 8 is arranged at the bottom of the side wall of the aerobic cavity 3, and the water inlet pipe 8 is communicated with the water storage cavity 2;

an inner cavity of the aerobic cavity 3 is provided with an aeration device 6 and a membrane reactor 7, the aeration device 6 and the membrane reactor 7 are arranged at intervals, water outlets at the top end of the membrane reactor 7 are connected with a water outlet pipe 14 through pipelines, the aeration device 6 is connected with an air inlet pipe 9, the air inlet pipe 9 is connected with a blower 10, and the blower 10 supplies air to the aeration device 6; the open part of the aerobic cavity 3 is provided with a plurality of air suction ports 13, the air suction ports 13 are connected with an exhaust pipe 15, the exhaust pipe 15 is communicated with an air inlet pipe 9, and the exhaust pipe 15 is provided with an air pump 12.

The aeration device 6 comprises a vertical column 61, the vertical column 61 is a hollow pipe, a plurality of aeration rods 62 are respectively arranged on two sides of the vertical column 61, aeration holes are formed in the aeration rods 62, and the aeration rods 62 on two sides are distributed in a staggered manner; the aperture of the aeration hole on the aeration rod 62 is 0.01 mm, and small bubbles are generated, so that oxygen in the bubbles is fully utilized.

The water inlets of the anaerobic cavity 1 and the water inlet pipe 8 are respectively provided with a plug flow stirrer 5 for stirring the sewage.

The bottoms of the anaerobic cavity 1, the water storage cavity 2 and the aerobic cavity 3 are respectively provided with a conical sedimentation tank, and the bottom of the conical sedimentation tank is provided with a sludge outlet.

The working process of the low-consumption low-carbon low-sludge high-efficiency intelligent dyeing sewage biological reaction device is as follows:

sewage enters the anaerobic cavity 1 through the sewage inlet pipe 4, and organic matters are hydrolyzed, acidified and methanated under the action of anaerobic bacteria in the anaerobic cavity 1 to remove the organic matters in the sewage; sewage discharged from the anaerobic cavity 1 enters the water storage cavity 2 and is collected in the water storage cavity 2; the sewage collected by the water storage cavity 2 enters the aerobic cavity 3 from the water inlet pipe 8, and organic matters in the sewage are further decomposed into inorganic matters by using aerobic bacteria, so that the purpose of removing pollutants is achieved.

The aeration device 6 and the membrane reactor 7 in the aerobic cavity 3 are arranged at intervals, so that the dissolved oxygen generated by the aeration device 6 is fully utilized, and the aeration efficiency is improved. The open part of the aerobic cavity 3 is provided with a plurality of air suction ports 13, and residual oxygen just leaving the water surface is collected and enters the air inlet pipe 9 again through the air outlet pipe 15, so that the residual oxygen just leaving the water surface can be recycled, and the energy consumption is reduced.

The invention has the following advantages:

(1) the method reduces more than one third of electricity consumption for the industry and users, and the daily thermal fiber dyeing amount sewage COD in the national dyeing and printing industry is about 100 ten thousand tons of water/day to 150 ten thousand tons of water/day (the relative COD of various knitting, tubular dyeing, hemp, silk and the like in the country is less than or equal to 1500mg/L of low-oil sewage). It is also possible to achieve 200 ten thousand tons of water per day, then electricity can be saved each day: if the water is 1.43 degrees/ton, the water can be saved to about 0.471 degrees/ton, and the electricity can be saved by 150 ten thousand tons/day each day: 70.7 ten thousand degrees per day, totaling all year round: 70.7 ten thousand DEG electricity is multiplied by 300 days and is approximately equal to 2.1 hundred million DEG electricity/year;

(2) reducing the discharge amount of carbon dioxide: reducing emission of carbon dioxide: 2.1 hundred million degree electricity x 0.96 kilogram is approximately equal to 2.01 hundred million tons of carbon dioxide;

(3) and reducing sludge: 150 ten thousand tons (the conventional sludge amount is 3 per mill) per day in China, namely: 4500 ton/day of mud. The invention is measured by 0.5 per thousand ton mud after decrement, namely 750 ton mud per day. Counting in a subtotal manner: 4500 ton mud/day-750 ton mud/day-3750 ton mud/day. The sludge reduction of the whole year national industry is as follows: 3750 tons of mud per day x 300 days (working day) is 112.5 ten thousand tons of mud per year (equivalent to one tenth of the capacity of the West lake). Benefits to the enterprise: sludge disposal cost of 112.5 million tons of mud per year x 500 yuan per ton of mud to 5.6 million yuan per year;

(4) and the dosage cost of each ton of water is reduced by about 0.8 yuan/ton of water, and the dosage is calculated by 150 ten thousand tons of water/day: 150 ten thousand yuan/day x 0.8 yuan/ton water 120 ten thousand yuan/day, 120 ten thousand yuan/day x 300 days 3.6 million yuan/year, can save about 3.6 million yuan medicine cost each year.

While particular embodiments of the present invention have been described in the foregoing specification, various modifications and alterations to the previously described embodiments will become apparent to those skilled in the art from this description without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a low consumption low carbon is few high-efficient intelligent printing and dyeing sewage biological reaction unit of mud which characterized in that: the sewage treatment device is provided with an anaerobic cavity (1), a water storage cavity (2) and an aerobic cavity (3), wherein a sewage inlet pipe (4) is arranged at the bottom of the side wall of the anaerobic cavity (1), an anaerobic cavity water outlet pipe is arranged at the upper part of the side wall of the anaerobic cavity (1), the anaerobic cavity water outlet pipe leads wastewater into the water storage cavity (2), and a water suction pump (11) is arranged on the anaerobic cavity water outlet pipe; a water inlet pipe (8) is arranged at the bottom of the side wall of the aerobic cavity (3), and the water inlet pipe (8) is communicated with the water storage cavity (2);

an aeration device (6) and a membrane reactor (7) are arranged in the inner cavity of the aerobic cavity (3), the aeration device (6) and the membrane reactor (7) are arranged at intervals, a water outlet at the top end of the membrane reactor (7) is connected with a water outlet pipe (14) through a pipeline, the aeration device (6) is connected with an air inlet pipe (9), the air inlet pipe (9) is connected with an air blower (10), and the air blower (10) supplies air to the aeration device (6); the opening of the aerobic cavity (3) is provided with a plurality of air suction ports (13), the air suction ports (13) are connected with an exhaust pipe (15), the exhaust pipe (15) is communicated with an air inlet pipe (9), and the exhaust pipe (15) is provided with an air suction pump (12).

2. The low-consumption low-carbon low-sludge efficient intelligent dyeing sewage biological reaction device as claimed in claim 1, characterized in that: the aeration device (6) comprises a vertical column (61), the vertical column (61) is a hollow pipe, a plurality of aeration rods (62) are respectively arranged on two sides of the vertical column (61), aeration holes are formed in the aeration rods (62), and the aeration rods (62) on two sides are distributed in a staggered mode.

3. The low-consumption low-carbon low-sludge efficient intelligent dyeing sewage biological reaction device as claimed in claim 1, characterized in that: and the water inlets of the anaerobic cavity (1) and the water inlet pipe (8) are respectively provided with a plug flow stirrer (5).

4. The low-consumption low-carbon low-sludge efficient intelligent dyeing sewage biological reaction device as claimed in claim 1, characterized in that: the bottom of the anaerobic cavity (1), the bottom of the water storage cavity (2) and the bottom of the aerobic cavity (3) are respectively provided with a conical sedimentation tank, and the bottom of the conical sedimentation tank is provided with a sludge outlet.

5. The low-consumption low-carbon low-sludge efficient intelligent dyeing sewage biological reaction device as claimed in claim 2, characterized in that: the aperture of the aeration hole on the aeration rod (62) is 0.01 mm.