CN106865895B - Double-cylinder multi-grid self-stirring combined purification tank - Google Patents
Double-cylinder multi-grid self-stirring combined purification tank Download PDFInfo
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- CN106865895B CN106865895B CN201710140548.XA CN201710140548A CN106865895B CN 106865895 B CN106865895 B CN 106865895B CN 201710140548 A CN201710140548 A CN 201710140548A CN 106865895 B CN106865895 B CN 106865895B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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Abstract
The double-cylinder multi-grid self-stirring combined purification tank comprises an outer cylinder and an inner cylinder, wherein 4 clapboards on the outer wall of the inner cylinder divide a cavity into a second grid groove, a third grid groove, a fourth grid groove and a fifth grid groove, and the inner cylinder is a first grid groove; is characterized in that: an inclined partition plate is arranged in the inner cylinder, a liquid seal cavity is formed between the inclined partition plate and the inner cylinder below the inclined partition plate, a guide pipe is arranged on the inclined partition plate, and an air inlet is formed in the inclined partition plate; and a U-shaped pipe is fixed on the inner cylinder at the lower part of the second grid groove, an opening at one end of the U-shaped pipe is positioned at the upper part of the liquid seal cavity, and an opening at the other end of the U-shaped pipe is positioned above the second partition plate. The purifying tank of the invention divides the interior into five different functional areas, thus realizing the high-efficiency purification of sewage; the floor area is small, the underground installation can be realized, and the underground installation can also be arranged above a seepage well and additionally provided with a well cover, so that the overhaul and the maintenance are convenient; the water purifying tank can complete the stirring and mixing of the microorganisms and the sewage without mechanical assistance, thereby reducing energy consumption and being economical; the device is detachable and convenient to maintain.
Description
Technical Field
The invention relates to a purification tank, in particular to a double-cylinder multi-grid self-stirring combined purification tank which realizes self-stirring by utilizing gas introduced by a gas pump so as to improve the sewage purification effect and efficiency.
Background
Domestic sewage in most rural areas in China is mostly distributed, is discharged randomly without any treatment, is the main reason for the overall water quality deterioration of rivers, and the overproof of nutrient substances mainly containing nitrogen and phosphorus is serious. The water purifying tank developed at present has the problems of poor anti-buffering capacity, low pollutant removal rate, inconvenient production and processing, difficult maintenance and the like, and can not meet the requirement of purifying rural dispersed sewage. The development of sewage purification devices which have the advantages of high removal rate, simple structure and the like and meet the practical requirements of rural distributed domestic water management is urgent.
Disclosure of Invention
The invention provides a double-cylinder multi-grid self-stirring combined purifying tank for overcoming the defects of the technical problems.
The double-cylinder multi-grid self-stirring combined purification tank comprises an outer cylinder and an inner cylinder which are coaxially arranged, wherein a first partition plate, a second partition plate, a third partition plate and a fourth partition plate are fixed on the outer wall of the inner cylinder at intervals, a cavity between the inner cylinder and the outer cylinder is divided into a second grid groove, a third grid groove, a fourth grid groove and a fifth grid groove by 4 partition plates, and the cavity in the inner cylinder is a first grid groove; a communicating opening is formed in the inner cylinder at the lower part of the second grid groove, the first grid groove is communicated with the second grid groove through the communicating opening, openings are formed above the first partition plate and the third partition plate so that the second grid groove is communicated with the third grid groove, the fourth grid groove is communicated with the upper part of the fifth grid groove, and an opening is formed below the second partition plate so that the third grid groove is communicated with the lower part of the fourth grid groove; the upper ends of the inner barrel and the outer barrel are respectively provided with a water inlet so as to introduce sewage to be purified into the first grid groove through the water inlets, and the outer barrel above the fifth grid groove is provided with a water outlet used for discharging the purified water; the method is characterized in that: an inclined partition plate is arranged at the middle upper part of the inner cylinder, a liquid seal cavity with an opening at the lower end is formed between the inclined partition plate and the inner cylinder below the inclined partition plate, a guide pipe is arranged on the inclined partition plate and used for guiding sewage above the inclined partition plate to the liquid seal cavity, an air inlet is formed in the inclined partition plate and connected with an air pump through an air inlet pipe, and therefore the air pump can introduce air into the liquid seal cavity through the air inlet; and a U-shaped pipe is fixed on the inner cylinder above the communication port, an opening at one end of the U-shaped pipe is positioned at the upper part of the liquid seal cavity, and an opening at the other end of the U-shaped pipe is positioned above the first partition plate.
According to the double-cylinder multi-grid self-stirring combined purifying tank, the first partition plate, the second partition plate, the third partition plate and the fourth partition plate are tightly attached to the inner wall of the outer cylinder but not fixed, so that the outer cylinder, the partition plates and the inner cylinder can be assembled and disassembled.
According to the double-cylinder multi-grid self-stirring combined purification tank, the included angle between the inclined partition plate and the horizontal plane is 45 degrees, the screen for filtering is arranged in the inner cylinder above the inclined partition plate, and the included angle between the screen and the inclined partition plate is 90 degrees.
According to the double-cylinder multi-grid self-stirring combined purification tank, the aeration device is arranged in the third grid tank and is connected with the air pump through the air inlet pipe, so that the aeration of the third grid tank is realized, and the aerobic environment of the third grid tank is maintained.
According to the double-cylinder multi-lattice self-stirring combined purification tank, the bottom of the liquid seal cavity and the support are both provided with the soft filler attached with the sludge; the fourth grid groove is provided with a sedimentation plate, the sedimentation plate is provided with hard fillers, and the sedimentation plate is provided with through holes which are closely arranged.
According to the double-cylinder multi-grid self-stirring combined purification tank, the inner cylinder at the top of the second grid tank and the top of the second partition plate are both provided with the overrunning ports, and the positions of the overrunning ports are parallel to the water inlet, so that when the water supply amount is large, sewage in the first grid tank sequentially enters the second grid tank, the third grid tank, the fourth grid tank and the fifth grid tank through the overrunning ports and is discharged from the water outlet.
According to the double-cylinder multi-grid self-stirring combined purification tank, the height of the first partition plate is 1/4 of the height of the outer cylinder, and the height of the second partition plate is 3/4 of the height of the outer cylinder; the water outlet is 2-3 cm lower than the water inlet, and the distance between the surpassing opening and the top is 2-3 cm.
The double-cylinder multi-grid self-stirring combined purification tank comprises a U-shaped pipe, a first partition plate, a second partition plate, a liquid seal cavity, a first vertical part, a second horizontal part, a second partition plate and a second vertical part, wherein the first vertical part, the first horizontal part, the second vertical part and the second horizontal part are sequentially connected; the distance between the first horizontal part and the bottom end of the outer barrel is 1/15 of the height of the outer barrel, the length of the first vertical part is 1/3-1/2 of the height of the outer barrel, the axis of the second horizontal part and the top end of the first vertical part are on the same height, and the diameter of the U-shaped pipe is not more than 0.05 m.
The double-cylinder multi-grid self-stirring combined purification tank comprises a top cover for sealing an opening between an outer cylinder and an inner cylinder, wherein a circular hole is formed in the center of the top cover, and the size of the circular hole is equal to that of a municipal manhole cover.
The invention has the beneficial effects that: according to the combined purification tank, 4 partition plates are arranged between the inner cylinder and the outer cylinder which are coaxially arranged, 5 grid grooves which are sequentially communicated are formed, wherein the inner cylinder cavity comprises an inner cylinder cavity, the inclined partition plates are arranged in the inner cylinder, so that a liquid seal cavity is formed between the inclined partition plates and the inner cylinder at the lower part of the inclined partition plates, when the liquid level at the lower part of the liquid seal cavity is higher than the outlet at the lower end of the guide pipe, air is blown into the liquid seal cavity through the air inlet by the air pump, the liquid level in the liquid seal cavity is forced to fall, when the liquid level falls to be level with the bottom end of the U-shaped pipe, air in the liquid seal cavity is rapidly blown into the third grid groove through the U-shaped pipe, meanwhile, liquid in the second grid groove enters the liquid seal cavity through the communicating port at. Compared with the prior purification device, the gas pump is adopted to continuously blow gas to realize the stirring of liquid, so that the arrangement of a mechanical stirring device is avoided, and the defects of low stirring efficiency and low sewage purification speed caused by the fact that the gas generated by sewage purification is adopted to realize automatic stirring are overcome.
The purifying tank of the invention divides the interior into five different functional areas, thus realizing the high-efficiency purification of sewage; the floor area is small, the underground installation can be realized, and the underground installation can also be arranged above a seepage well and additionally provided with a well cover, so that the overhaul and the maintenance are convenient; the water purifying tank can complete the stirring and mixing of the microorganisms and the sewage without mechanical assistance, thereby reducing energy consumption and being economical; the device is detachable and convenient to maintain.
Drawings
FIG. 1 is a top view of a dual barrel multiple cell self-agitating compound purge tank of the present invention;
FIG. 2 is a perspective view of a dual barrel multiple cell self-agitating combination purge tank of the present invention;
FIG. 3 is a schematic view showing the structure of an inner cylinder and partitions in a purification tank according to the present invention;
FIG. 4 is a schematic view showing the structure of the outer cylinder in the purifying tank of the present invention.
In the figure: the outer cylinder, the inner cylinder, 3 the first baffle, 4 the second baffle, 5 the third baffle, 6 the fourth baffle, 7 the first check groove, 8 the second check groove, 9 the third check groove, 10 the fourth check groove, 11 the fifth check groove, 12 the water inlet, 13 the delivery port, 14 slope baffles, 15 pipes, 16 air inlets, 17U type pipe, 18 liquid seal chamber, 19 intercommunication mouths, 20 inlet tubes, 21 intake pipes, 22 supports, 23 aeration equipment, 24 settlement plate, 25 surmount the mouth, 26 top cap, 27 the first vertical portion, 28 the first horizontal portion, 29 the second vertical portion, 30 the second horizontal portion, 31 soft filler.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in figures 1 and 2, a top view and a perspective view of a double-cylinder multi-grid self-stirring combined purifying tank of the invention are respectively given, the purifying tank is composed of an inner cylinder 2 and an outer cylinder 1 which are coaxially arranged, the upper ends of the inner cylinder 2 and the outer cylinder 1 are both open, a first clapboard 3, a second clapboard 4, a third clapboard 5 and a fourth clapboard 6 are uniformly fixed on the periphery of the inner cylinder 2, the 4 clapboards divide the cavity between the inner cylinder 2 and the outer cylinder 1 into 4 cavities which are respectively a second grid groove 8, a third grid groove 9, a fourth grid groove 10 and a fifth grid groove 11, and the inner cavity of the inner cylinder 2 is a first grid groove 7. The upper ends of the first partition plate 3 and the third partition plate 5 are both opened, so that the second grid groove 8 is communicated with the upper part of the third grid groove 9, and the fourth grid groove 10 is communicated with the upper part of the fifth grid groove 11; the lower end of the second partition plate 4 is shown open to allow the third cell 9 to communicate with the lower portion of the fourth cell 10.
The inner cylinder 2 at the lower end of the second cell 8 is shown to have a communication opening 19 to allow the lower portion of the first cell 7 to communicate with the lower portion of the second cell 8. The outer cylinder 1 and the inner cylinder 2 at the upper end of the third grid groove 9 are both provided with a water inlet 12, the water inlet 12 is provided with a water inlet pipe 20, and sewage to be purified passes through the outer cylinder 1 and the inner cylinder 2 through the water inlet pipe 20 and flows into the first grid groove 7. A water outlet 13 is formed in the outer barrel 1 at the upper part of the fifth grid groove 11, sewage can flow in the first, second, third, fourth and fifth grid grooves in sequence after entering, and the sewage is discharged through the water outlet 13 after being purified.
The middle upper part of the inner cylinder 2 is provided with an inclined clapboard 14, the inclined clapboard 14 divides the first grid groove 7 into an upper part and a lower part, the lower part is a cavity formed by the inclined clapboard 14 and the inner cylinder 2 below the inclined clapboard 14 and is called a liquid seal cavity 18, and the lower part of the liquid seal cavity 18 is communicated with the second grid groove 8 through a communication port 19. The inclined partition plate 14 is provided with a guide pipe 15, and the lower end of the guide pipe 15 extends into the bottom of the liquid seal cavity 18 and is used for guiding sewage above the inclined partition plate 14 to the liquid seal cavity 18. An air inlet 16 is arranged on the inclined clapboard 14, and the air inlet 16 is connected with an air pump through an air inlet pipe 21 so that the air pump can introduce air into the liquid seal cavity 18. The inner cylinder 2 at the upper part of the communication port 19 is provided with a U-shaped pipe 17, one end of the U-shaped pipe 17 is opened at the upper part of the liquid seal cavity 18, and the other end of the U-shaped pipe 17 is opened above the second partition plate 4.
The sewage to be purified enters the bottom of the liquid seal cavity 18 through the conduit 15, so that the liquid levels in the liquid seal cavity 18 and the second grid groove 8 are continuously raised, and when the liquid level in the liquid seal cavity 18 is higher than the opening and the communication port 19 at the lower end of the conduit 15, the liquid seal cavity 18 is in a liquid seal state, and the liquid level in the liquid seal cavity 18 is continuously raised; the air pump continuously blows air into the liquid seal cavity 18 through the air inlet 16, the liquid level in the liquid seal cavity 18 is forced to fall, when the liquid level in the liquid seal cavity 18 falls to the bottom of the U-shaped pipe 17, air in the liquid seal cavity 18 can rapidly blow into the third grid groove 9, at the moment, liquid in the second grid groove and the third grid groove can enter the liquid seal cavity 18, and the automatic stirring function of the liquid is further achieved. Because the gas is introduced for stirring, a mechanical stirring device is not required to be arranged; because the air pump can let in gas in succession, so the stirring frequency in whole sewage purification process is high, has solved in the past and has utilized the gas that produces in the sewage purification process to stir, and the stirring frequency that brings is low, the slow drawback of purification speed.
The third grid groove 9 is provided with a support 22, the bottom of the liquid seal cavity 18 and the support 22 in the third grid groove 9 are both provided with soft filler 31, and sludge is attached to the soft filler 31, so that the growth of the sludge is facilitated, and the purification speed of sewage is accelerated. A sedimentation plate 24 is arranged in the fourth grid groove 10, a hard filler is arranged on the sedimentation plate 24, and through holes which are closely arranged are arranged on the sedimentation plate 24. The bottom of the third cell 9 is provided with an aeration device 23, and the aeration device 23 is connected with an air pump through an air inlet pipe and is used for maintaining the third cell 9 in an aerobic state.
The height of the first partition board 3 is 1/4 of the height of the outer cylinder 1, the height of the second partition board 4 is 3/4 of the height of the outer cylinder 1, and the diameter of the inner cylinder 2 can adopt 1/2 of the diameter of the outer cylinder 1. The inner cylinder 2 above the second grid groove 8 is provided with an overrunning port 25, the top of the second partition plate 4 is also provided with the overrunning port 25, and when the water supply amount is large, sewage in the first grid groove 7 can sequentially enter the second grid groove 8, the third grid groove 9, the fourth grid groove 10 and the fifth grid groove 11 through the overrunning port 25 and is finally discharged through the water outlet 13. The top of the purification tank can be further provided with a top cover 26, the top cover 26 is used for sealing an opening between the inner cylinder 2 and the outer cylinder 1, and the center of the top cover 16 is provided with a circular hole, and the size of the circular hole is consistent with that of a municipal manhole cover so as to facilitate observation and inspection.
The U-shaped pipe 17 is composed of a first vertical part 27, a first horizontal part 28, a second vertical part 29 and a second horizontal part 30 which are connected in sequence, wherein the first vertical part 27 is positioned in the liquid seal cavity 18, the first horizontal part 28 penetrates through and is fixed on the inner cylinder 2, the second vertical part 29 and the second horizontal part 30 are both positioned in the second grid groove 8, and the outlet of the second horizontal part 30 is positioned above the second partition plate 4; the distance between the first horizontal part 28 and the bottom end of the outer cylinder 1 is 1/15 of the height of the outer cylinder, the length of the first vertical part 27 is 1/3-1/2 of the height of the outer cylinder, the axis of the second horizontal part 30 and the top end of the first vertical part 27 are on the same height, and the diameter of the U-shaped pipe 17 is not more than 0.05 m.
As shown in FIG. 3, a schematic structural diagram of the inner cylinder and each partition in the decontamination tank of the present invention is shown, FIG. 4 is a schematic structural diagram of the outer cylinder in the decontamination tank of the present invention, it can be seen that the outer cylinder 1 is separated from the inner structure thereof, the first partition 3, the second partition 4, the third partition 5 and the fourth partition 6 are all fixed on the inner cylinder 2, and the peripheries of the 4 partitions are tightly attached to the inner part of the outer cylinder 1 but not fixed, so that the outer cylinder 1, the inner partition thereof and the inner cylinder 2 can be detachably combined to disassemble, assemble and maintain the whole decontamination tank.
When sewage is purified, the anaerobic environment is arranged in the first grid groove 7, denitrification is carried out, nitrate nitrogen and the like in water are converted into nitrogen, organic matters in the water are hydrolyzed, and the organic matters in the water are primarily degraded. The second grid groove 8 is in a facultative environment and plays a transition role. The third grid groove 9 is in an aerobic environment, sludge is attached to the soft filler 31, and the gas provides oxygen for microorganisms through the aeration device 23; the microorganisms generate nitration reaction under aerobic environment, ammonia nitrogen in the solution is converted into nitrate nitrogen, nitrite nitrogen and the like, and organic matters in water are degraded. The sedimentation plate 24 in the fourth grid groove 10 has the functions of adsorbing and settling suspended matters, and the like, and the water treated by the microorganisms flows to the fifth grid groove 11 through the fourth grid groove 10, so that the amount of the suspended matters in the water is reduced, and the effluent quality is improved. The fifth cell 11 is a reuse water tank, and the purified sewage can be used for irrigation, toilet flushing and the like.
Claims (8)
1. A double-cylinder multi-grid self-stirring combined purification tank comprises an outer cylinder (1) and an inner cylinder (2) which are coaxially arranged, wherein a first partition plate (3), a second partition plate (4), a third partition plate (5) and a fourth partition plate (6) are fixed on the outer wall of the inner cylinder at intervals, a cavity between the inner cylinder and the outer cylinder is divided into a second grid groove (8), a third grid groove (9), a fourth grid groove (10) and a fifth grid groove (11) by the 4 partition plates, and the cavity in the inner cylinder is a first grid groove (7); a communicating opening (19) is formed in the inner cylinder at the lower part of the second cell groove, the first cell groove is communicated with the second cell groove through the communicating opening, openings are formed above the first partition plate (3) and the third partition plate (5) so that the second cell groove is communicated with the third cell groove, the fourth cell groove is communicated with the upper part of the fifth cell groove, and an opening is formed below the second partition plate so that the third cell groove is communicated with the lower part of the fourth cell groove; the upper ends of the inner barrel and the outer barrel are respectively provided with a water inlet (12) so as to introduce sewage to be purified into the first grid groove through the water inlets, and the outer barrel above the fifth grid groove is provided with a water outlet (13) for discharging the purified water; the method is characterized in that: an inclined partition plate (14) is arranged at the middle upper part of the inner cylinder, a liquid seal cavity (18) with an opening at the lower end is formed between the inclined partition plate and the inner cylinder below the inclined partition plate, a guide pipe (15) is arranged on the inclined partition plate and used for guiding sewage above the inclined partition plate to the liquid seal cavity, an air inlet (16) is formed in the inclined partition plate and connected with an air pump through an air inlet pipe (21), so that the air pump can introduce air into the liquid seal cavity through the air inlet; a U-shaped pipe (17) is fixed on the inner cylinder above the communication port (19), an opening at one end of the U-shaped pipe is positioned at the upper part of the liquid seal cavity, and an opening at the other end of the U-shaped pipe is positioned above the first partition plate;
the U-shaped pipe (17) consists of a first vertical part (27), a first horizontal part (28), a second vertical part (29) and a second horizontal part (30) which are sequentially connected, the first vertical part is positioned in the liquid seal cavity (18), the first horizontal part penetrates through and is fixed on the inner cylinder (2), the second vertical part (29) and the second horizontal part (30) are both positioned in the second grid groove (8), and an outlet of the second horizontal part is positioned above the second partition plate (4); the distance between the first horizontal part and the bottom end of the outer barrel is 1/15 of the height of the outer barrel, the length of the first vertical part is 1/3-1/2 of the height of the outer barrel, the axis of the second horizontal part and the top end of the first vertical part are on the same height, and the diameter of the U-shaped pipe is not more than 0.05 m.
2. A dual-cartridge multi-cell self-agitating combination purification tank as recited in claim 1 wherein: the first partition plate (3), the second partition plate (4), the third partition plate (5) and the fourth partition plate (6) are tightly attached to the inner wall of the outer cylinder (1) but not fixed, so that the outer cylinder, the partition plates and the inner cylinder can be assembled and disassembled.
3. The dual-cartridge multi-cell self-agitating combination purification tank of claim 1 or 2, wherein: the included angle between the inclined clapboard (14) and the horizontal plane is 45 degrees, a screen mesh with the filtering function is arranged in the inner cylinder (2) above the inclined clapboard, and the included angle between the screen mesh and the inclined clapboard is 90 degrees.
4. The dual-cartridge multi-cell self-agitating combination purification tank of claim 1 or 2, wherein: and an aeration device (23) is arranged in the third grid groove (9), and the aeration device is connected with an air pump through an air inlet pipe so as to realize the aeration of the third grid groove and maintain the aerobic environment of the third grid groove.
5. The dual-cartridge multi-cell self-agitating combination purification tank of claim 1 or 2, wherein: soft fillers (31) attached with sludge are arranged on the bottom of the liquid seal cavity (18) and the bracket (22); the fourth grid groove (10) is provided with a sedimentation plate (24) which is provided with hard filler and is provided with through holes which are closely arranged.
6. The dual-cartridge multi-cell self-agitating combination purification tank of claim 1 or 2, wherein: the top of the inner barrel (2) at the top of the second grid groove (8) and the top of the second partition plate (4) are provided with an overrunning port (25), and the position of the overrunning port is level with the water inlet (12), so that when the water supply amount is large, sewage in the first grid groove (7) sequentially enters the second grid groove, the third grid groove (9), the fourth grid groove (10) and the fifth grid groove (11) through the overrunning port and is discharged from the water outlet (13).
7. The dual-cartridge multi-cell self-agitating combination purification tank of claim 6, wherein: the height of the first partition plate (3) is 1/4 of the height of the outer cylinder (1), and the height of the second partition plate (4) is 3/4 of the height of the outer cylinder; the water outlet (13) is 2-3 cm lower than the water inlet (12), and the distance between the surpassing opening (25) and the top is 2-3 cm.
8. The dual-cartridge multi-cell self-agitating combination purification tank of claim 1 or 2, wherein: including carrying out top cap (26) sealed to the opening between urceolus (1) and inner tube (2), the circular hole has been seted up to the central authorities of top cap, and the size of circular hole equals with municipal administration well lid size.
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| CN201710140548.XA CN106865895B (en) | 2017-03-10 | 2017-03-10 | Double-cylinder multi-grid self-stirring combined purification tank |
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| CN201710140548.XA CN106865895B (en) | 2017-03-10 | 2017-03-10 | Double-cylinder multi-grid self-stirring combined purification tank |
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| CN106865895B true CN106865895B (en) | 2020-05-19 |
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| CN107973490B (en) * | 2017-12-19 | 2020-09-22 | 北京化工大学 | Pneumatic stirring mixes automatic domestic sewage purification unit that flows back of mud |
| CN108298686B (en) * | 2018-02-05 | 2020-09-04 | 北京化工大学 | A purification unit for rural domestic sewage of high COD concentration |
| CN111229066A (en) * | 2020-03-23 | 2020-06-05 | 安徽华骐环保科技股份有限公司 | Vertical single-cylinder six-groove full-automatic medicine soaking machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0378288A1 (en) * | 1989-01-12 | 1990-07-18 | Biocycle Pty Ltd. | Water treatment apparatus |
| CN2900514Y (en) * | 2006-06-02 | 2007-05-16 | 贾惠民 | Digestion tank |
| CN104759228A (en) * | 2015-04-09 | 2015-07-08 | 李玲 | Gas push type self-mixing combined purifying tank |
| CN106336086A (en) * | 2016-11-28 | 2017-01-18 | 北京化工大学 | Novel self-stirring sewage treatment purification tank |
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2017
- 2017-03-10 CN CN201710140548.XA patent/CN106865895B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0378288A1 (en) * | 1989-01-12 | 1990-07-18 | Biocycle Pty Ltd. | Water treatment apparatus |
| CN2900514Y (en) * | 2006-06-02 | 2007-05-16 | 贾惠民 | Digestion tank |
| CN104759228A (en) * | 2015-04-09 | 2015-07-08 | 李玲 | Gas push type self-mixing combined purifying tank |
| CN106336086A (en) * | 2016-11-28 | 2017-01-18 | 北京化工大学 | Novel self-stirring sewage treatment purification tank |
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