CN104163491B - A kind of pulse water distribution acidication petrifaction sewage treatment system and application method thereof - Google Patents
A kind of pulse water distribution acidication petrifaction sewage treatment system and application method thereof Download PDFInfo
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- CN104163491B CN104163491B CN201410407531.2A CN201410407531A CN104163491B CN 104163491 B CN104163491 B CN 104163491B CN 201410407531 A CN201410407531 A CN 201410407531A CN 104163491 B CN104163491 B CN 104163491B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 164
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- 230000007062 hydrolysis Effects 0.000 claims abstract description 18
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 18
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- 230000015572 biosynthetic process Effects 0.000 claims description 2
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- LLPOLZWFYMWNKH-CMKMFDCUSA-N hydrocodone Chemical compound C([C@H]1[C@H](N(CC[C@@]112)C)C3)CC(=O)[C@@H]1OC1=C2C3=CC=C1OC LLPOLZWFYMWNKH-CMKMFDCUSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Activated Sludge Processes (AREA)
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Abstract
The invention belongs to water-treatment technology field, in particular to a kind of pulse water distribution acidication petrifaction sewage treatment system and application method thereof. System of the present invention comprises bell-jar siphon pulse water distributing device and the hydrolysis acidification pool supporting with it, described pulse water distributing device comprises: the central water outlet pipe of cylinder, scalable bell jar and support thereof, adjustable fixed position, auxiliary siphon pipe, atmospheric communicating pipe, water inlet pipe, blow-down pipe and lid, and described hydrolysis acidification pool comprises: Chi Ti, one-level water distributor, two grades of water distributors and posticum, overflow weir, water leg, overflow port, along journey thief hole, emptying mud discharging mouth. System of the present invention is in application process. Waste water enters hydrolysis acidification pool by the rising pipe of pulse water distributing device. System of the present invention is except lift pump, it is not necessary to other power, is easy to safeguard, stable performance, and cloth water is even, muddy water good mixing effect. Pulse water distribution hydrolysis acidification device of the present invention has good application prospect in petrochemical wastewater processes.
Description
Technical field
The invention belongs to water-treatment technology field, in particular to a kind of pulse water distribution acidication petrifaction sewage treatment system and application method thereof.
Background technology
Petrifaction sewage has the features such as wastewater flow rate is big, water quality is complicated, toxic is big, variation water quality is big, concentration height, difficult for biological degradation, belongs to more difficult trade effluent. Therefore, it is necessary to petrochemical wastewater is carried out suitable preconditioning technique, to change its pollutent structure, reduce concentration of poisons, it is to increase its biodegradability. Acidication be a kind of anaerobic treatment process (fourth thunder, Qi Peishi, the first .2012. acidication technological effect appraisement system research of Zhao one. environmental engineering, 30 (6): 65-68). Suspension solid in waste water and macromole hard-degraded substance can be hydrolyzed to small-molecule substance and the voltaile fatty acid of dissolved organic matter and readily biodegradable by it, it is to increase wastewater biodegradability, thus improve the operating performance of subsequent biological treatment technique; Have load height, product mud is few, energy consumption is low, nutrient requirement amount is little, capacity of resisting impact load is strong, it is insensitive water temperature and pH to be changed, be easy to the features such as control simultaneously. Therefore, acidication process quilt is widely used in processing the petrochemical wastewater of difficult degradation.
In order to ensure fully contacting of mud and waste water in hydrolysis acidification pool, generally adopt the mode such as mechanical stirring, waterpower stirring to strengthen muddy water mixed effect more, practical application exists the shortcomings such as sludgd deposition, power consumption, equipment corrosion.
The water intake mode of hydrolysis acidification pool is divided into continuum micromeehanics and interval pulse water-feeding. Continuous Flow water inlet can realize more uniform cloth water, but has that head loss is big, water outlet holds susceptible to plugging problem. Pulsed water inlet can form bottom mud in high velocity fluid strikes pond, mud is fully mixed with sewage, and without the need to consumption of power, is relatively good water intake mode.
Pulse water distributing device generally can be divided into electric switch formula and hydrocone type. Electric switch formula is by automatic control device according to operating mode and processing requirement, and Controlling solenoid valve or motorized valve, form pulse. The control of electric switch formula pulse water distributing device is accurate, but equipment cost and running cost are all higher, and long-play, it is easy to break down.
Siphon type pulse water device utilizes the current of fast flow in siphon pipe to be taken away by the air in main pipeline, makes to be formed in main pipeline certain vacuum tightness, and inside and outside pipeline, under the effect of normal atmosphere, the water in container enters in pond after entering main pipeline.Owing to flow velocity is very fast, cloth water can complete within the short period of time, reaches the effect of pulse, stirs the mud at the bottom of pond so that it is constantly fully mixes with waste water in pond, and the organism in mud and sewage obtains sufficient contact reacts. Thus improve the muddy water mixed effect of hydrolysis acidification pool, it is to increase processing efficiency.
Summary of the invention
Not enough for prior art, the present invention provides a set of acidication equipment, comprises pulse water distributing device and hydrolysis acidification pool. Wherein, pulse water distributing device provides pulsatile effect energy-efficient, stable and reliable for performance, and can when different flow, it is achieved single pulse volume, burst length and recurrence interval are all adjustable, and central water outlet pipe and bell jar air gap are adjustable. The impulsive condition being applicable to petrochemical wastewater at different conditions can be studied, it is possible to paired pulses cloth water requirement under adaptation various working. Hydrolysis acidification pool optimizes size and the position of each water distributor footpath and posticum by numerical simulation calculation, coordinates pulser, it may be achieved cloth water is even, prevents tube hole plug, and strengthening muddy water mixed effect, strengthens biological activity and mass transfer.
A kind of pulse water distribution acidication petrifaction sewage treatment system, this system is made up of pulse water distributing device and hydrolysis acidification pool, wherein, pulse water distributing device is made up of cylinder, telescopic bell jar, support, central water outlet pipe, auxiliary siphon pipe, atmospheric communicating pipe, water inlet pipe, blow-down pipe and cover; Hydrolysis acidification pool is by pond body, one-level water distributor, two grades of water distributors, posticum, overflow weir, water leg, upflow tubes, form along journey thief hole and emptying mud discharging mouth;
Arranging support in cylinder, arrange telescopic bell jar on support, described telescopic bell jar is connected with female buckle section by pin thread section and forms, and wherein one end of pin thread section is fixedly linked with support (welding), and the other end that mother detains section is sealed by blind plugging; Described cylinder top arranges cover, and cylinder bottom arranges water inlet pipe; The auxiliary top of siphon pipe and the bottom of cylinder are fixedly linked, and bottom is connected with the top of one-level water distributor; The bottom of cylinder is connected with auxiliary siphon pipe by blow-down pipe; Blow-down pipe arranges valve (ball valve); Auxiliary siphon pipe is connected with atmospheric communicating pipe; Arranging the central water outlet pipe of adjustable fixed position in auxiliary siphon pipe, the top of central water outlet pipe is positioned at telescopic bell jar, and bottom is positioned at one-level water distributor;
Pond body is set below cylinder, in the body of pond, is horizontally disposed with two grades of water distributors, two grades of water distributors set out the mouth of a river; Being perpendicular to two grades of water distributors and arrange one-level water distributor, the bottom of one-level water distributor is connected with two grades of water distributors; Body top, pond arranges overflow weir, and overflow weir top arranges water leg, arranges upflow tube bottom water leg; Emptying mud discharging mouth is set bottom the body of pond; Pond body is arranged along journey thief hole; Valve (ball valve) is set respectively along journey thief hole and emptying mud discharging mouth.
Described water inlet pipe arranges valve (ball valve).
Described central water outlet pipe is the pipe body that top has certain length pin thread.
Described central water outlet pipe is connected by silk button respectively with between cylinder and support.
Described two grades of water distributors, centered by one-level water distributor bottom, are uniformly distributed in " rice " font.
An application method for pulse water distribution acidication petrifaction sewage treatment system, its pulse process is as follows:
Sewage flows in pulser cylinder by water inlet pipe by lift pump; When liquid level in cylinder reaches telescopic bell jar bottom, the air in telescopic bell jar, in central water outlet pipe and in auxiliary siphon pipe is sealed, and along with the continuation of liquid level in cylinder raises, above-mentioned sealing air is discharged through atmospheric communicating pipe due to hydraulic pressure; When liquid level in telescopic bell jar is increased to behind central water outlet pipe top, central water outlet pipe starts there is sewage overflow, and discharge the air sealed further, the liquid level in central water outlet pipe can be made higher than the liquid level of one-level water distributor simultaneously, this liquid level difference impels liquid level in central water outlet pipe to reduce, the air pressure in central water outlet pipe is caused to be less than a normal atmosphere, in negative pressure state, and then formation siphon, by the sewage in cylinder by telescopic bell jar, central water outlet pipe, one-level water distributor, two grades of water distributors and posticum to inject Chi Tizhong at a high speed; When the liquid level in cylinder is down to telescopic bell jar bottom, air enters in telescopic bell jar, destroys original negative pressure state, and siphon stops.
Above-mentioned pulse water distributing device can be made up of the material such as synthetic glass, stainless steel.
The useful effect of the present invention is:
Mud bottom hydrolysis acidification pool is had good stirring action by system high speed sewage of the present invention. Mud achieves periodic expansion, compression. Whole system is except lift pump, it is not necessary to other power, is easy to safeguard, stable performance, and cloth water is even, muddy water good mixing effect.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram of pulse water distribution acidication petrifaction sewage treatment system of the present invention;
Fig. 2 is the apparatus structure schematic diagram of telescoping bell jar of the present invention;
Fig. 3 is the apparatus structure schematic diagram of the present invention's two grades of water distributors;
Number in the figure: the female section of button of the telescopic bell jar of 11-cylinder, 12-, 12A-pin thread section, 12B-, 13-support, 14-central water outlet pipe, 15-auxiliary siphon pipe, 16-atmospheric communicating pipe, 17-water inlet pipe, 18-blow-down pipe, 19-cover, 21-pond body, 22-one-level water distributor, 23-bis-grades of water distributors, 24-posticum, 25-overflow weir, 26-water leg, 27-upflow tube, 28-are along journey thief hole, 29-emptying mud discharging mouth.
Embodiment
The present invention provides a kind of pulse water distribution acidication petrifaction sewage treatment system and application method thereof, and below in conjunction with the drawings and specific embodiments, the present invention will be further described.
A kind of pulse water distribution acidication petrifaction sewage treatment system, this system is made up of pulse water distributing device and hydrolysis acidification pool, wherein, pulse water distributing device is made up of cylinder 11, telescopic bell jar 12, support 13, central water outlet pipe 14, auxiliary siphon pipe 15, atmospheric communicating pipe 16, water inlet pipe 17, blow-down pipe 18 and cover 19; Hydrolysis acidification pool is by pond body 21, one-level water distributor 22, two grades of water distributors 23, posticum 24, overflow weir 25, water leg 26, upflow tube 27, form along journey thief hole 28 and emptying mud discharging mouth 29;
Cylinder 11 arranges support 13, support 13 arranges telescopic bell jar 12, described telescopic bell jar 12 is connected with female buckle section 12B by pin thread section 12A and forms, and wherein one end of pin thread section 12A is fixedly linked with support 13 (welding), and the other end that mother detains section 12B is sealed by blind plugging; Described cylinder 11 top arranges cover 19, and cylinder 11 bottom arranges water inlet pipe 17; The auxiliary top of siphon pipe 15 and the bottom of cylinder 11 are fixedly linked, and bottom is connected with the top of one-level water distributor 22; The bottom of cylinder 11 is connected with auxiliary siphon pipe 15 by blow-down pipe 18; Blow-down pipe 18 arranges valve (ball valve); Auxiliary siphon pipe 15 is connected with atmospheric communicating pipe 16; Arranging the central water outlet pipe 14 of adjustable fixed position in auxiliary siphon pipe 15, the top of central water outlet pipe 14 is positioned at telescopic bell jar 12, and bottom is positioned at one-level water distributor 22;
Pond body 21 is set below cylinder 11, is horizontally disposed with on two grades of water distributors, 23, two grades of water distributors 23 in pond body 21 and sets out the mouth of a river 24; Being perpendicular to two grades of water distributors 23 and arrange one-level water distributor 22, the bottom of one-level water distributor 22 is connected with two grades of water distributors 23; Pond body 21 top arranges overflow weir 25, and overflow weir 25 top arranges water leg 26, arranges upflow tube 27 bottom water leg 26; Emptying mud discharging mouth 29 is set bottom pond body 21; Pond body 21 is arranged along journey thief hole 28; Valve (ball valve) is set respectively along journey thief hole 28 and emptying mud discharging mouth 29.
Described water inlet pipe 17 arranges valve (ball valve).
Described central water outlet pipe 14 has the pipe body of certain length pin thread for top.
Described central water outlet pipe 14 is connected by silk button respectively with between cylinder 11 and support 13.
Described two grades of water distributors 23, centered by one-level water distributor 22 bottom, are uniformly distributed in " rice " font.
Embodiment 1
The pulse water distribution acidication petrifaction sewage treatment system structure that the present embodiment adopts is as shown in FIG. 1 to 3, wherein, by regulating the length of telescopic bell jar 12 to realize regulating single pulse volume, and regulate the relative distance of central water outlet pipe 14 with telescopic bell jar 12 top by silk button.
The adjustable scope of pulse water distributing device effective volume that experiment adopts is 1L～5L, and pulse head is 1m, and hydrolysis acidification pool is diameter is 300mm, the high synthetic glass post for 2500mm, and effective volume is 150L.
In certain petrochemical industrial park, the actual sewage (water-quality guideline is as shown in table 1) of discharge is as handling object, intaking, chemical oxygen demand (COD) (COD) is 400mg/L～600mg/L, hydraulic detention time is 20h, the pulse frequency is 10 times/h, water temperature 25～28 degree, the operation result of above-mentioned pulse reactor for hydrolysis and acidification is adopted to show: the clearance of COD is 15%～20%, ratio shared by water outlet volatile acid is increased to 32%～45% by intake 18%～24%, muddy water good mixing, without mud alluvial phenomenon.
Water-quality guideline (mg/L, volatile acid is with the acetometer) data sheet of table 1 petrochemical wastewater
Claims (6)
1. a pulse water distribution acidication petrifaction sewage treatment system, it is characterized in that: this system is made up of pulse water distributing device and hydrolysis acidification pool, wherein, pulse water distributing device is made up of cylinder (11), telescopic bell jar (12), support (13), central water outlet pipe (14), auxiliary siphon pipe (15), atmospheric communicating pipe (16), water inlet pipe (17), blow-down pipe (18) and cover (19); Hydrolysis acidification pool is by pond body (21), one-level water distributor (22), two grades of water distributors (23), posticum (24), overflow weir (25), water leg (26), upflow tubes (27), form along journey thief hole (28) and emptying mud discharging mouth (29);
Cylinder (11) arranges support (13), support (13) arranges telescopic bell jar (12), described telescopic bell jar (12) is connected with female section of button (12B) by pin thread section (12A) and forms, wherein one end of pin thread section (12A) and support (13) are fixedly linked, and the other end of female button section (12B) is sealed by blind plugging; Described cylinder (11) top arranges cover (19), and cylinder (11) bottom arranges water inlet pipe (17); The auxiliary top of siphon pipe (15) and the bottom of cylinder (11) are fixedly linked, and bottom is connected with the top of one-level water distributor (22); The bottom of cylinder (11) is connected with auxiliary siphon pipe (15) by blow-down pipe (18); Blow-down pipe arranges valve on (18); Auxiliary siphon pipe (15) is connected with atmospheric communicating pipe (16); The central water outlet pipe (14) of adjustable fixed position is set in auxiliary siphon pipe (15), the top of central water outlet pipe (14) is positioned at telescopic bell jar (12), and bottom is positioned at one-level water distributor (22);
Pond body (21) is set in cylinder (11) lower section, in pond body (21), is horizontally disposed with two grades of water distributors (23), two grades of water distributors (23) set out water hole (24); Being perpendicular to two grades of water distributors (23) and arrange one-level water distributor (22), the bottom of one-level water distributor (22) is connected with two grades of water distributors (23); Pond body (21) top arranges overflow weir (25), and overflow weir (25) top arranges water leg (26), and water leg (26) bottom arranges upflow tube (27); Pond body (21) bottom arranges emptying mud discharging mouth (29); Pond body (21) is arranged along journey thief hole (28); Along journey thief hole (28) and emptying mud discharging mouth (29), valve is set respectively.
2. a kind of pulse water distribution acidication petrifaction sewage treatment system according to claim 1, it is characterised in that: described water inlet pipe arranges valve on (17).
3. a kind of pulse water distribution acidication petrifaction sewage treatment system according to claim 1, it is characterised in that: described central water outlet pipe (14) has the pipe body of certain length pin thread for top.
4. a kind of pulse water distribution acidication petrifaction sewage treatment system according to claim 1, it is characterised in that: described central water outlet pipe (14) is connected by silk button respectively with between cylinder (11) and support (13).
5. a kind of pulse water distribution acidication petrifaction sewage treatment system according to claim 1, it is characterised in that: described two grades of water distributors (23), centered by one-level water distributor (22) bottom, are uniformly distributed in " rice " font.
6. the application method of a kind of pulse water distribution acidication petrifaction sewage treatment system as described in Claims 1 to 5 any one claim, it is characterised in that, pulse process is as follows:
Sewage flows in pulser cylinder (11) by water inlet pipe (17) by lift pump, when in cylinder (11), liquid level reaches telescopic bell jar (12) bottom, air in telescopic bell jar (12), in central water outlet pipe (14) and in auxiliary siphon pipe (15) is sealed, along with the continuation of cylinder (11) interior liquid level raises, above-mentioned sealing air is discharged through atmospheric communicating pipe (16) due to hydraulic pressure, after in telescopic bell jar (12), liquid level is increased to central water outlet pipe (14) top, central water outlet pipe (14) starts there is sewage overflow, and discharge the air sealed further, the liquid level in central water outlet pipe (14) can be made than the liquid level height of one-level water distributor (22) simultaneously, this liquid level difference impels the interior liquid level of central water outlet pipe (14) to reduce, the air pressure in central water outlet pipe (14) is caused to be less than a normal atmosphere, in negative pressure state, and then formation siphon, by the sewage in cylinder (11) by telescopic bell jar (12), central water outlet pipe (14), one-level water distributor (22), two grades of water distributors (22) and posticum (24) are to inject at a high speed pond body (21), when the liquid level in cylinder (11) is down to telescopic bell jar (12) bottom, air enters in telescopic bell jar (12), destroys original negative pressure state, and siphon stops.
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| CN104724822A (en) * | 2015-04-15 | 2015-06-24 | 铁道第三勘察设计院集团有限公司 | Pulse water distributor |
| CN105481088B (en) * | 2015-12-16 | 2017-10-20 | 浙江省环境保护科学设计研究院 | Pulse water distribution generating means and its pulse water distribution control method |
| CN108821432A (en) * | 2018-08-06 | 2018-11-16 | 广州博环保科技有限公司 | One kind can promote water distribution system reactor for hydrolysis and acidification |
| CN110723811B (en) * | 2019-11-11 | 2022-04-05 | 博天环境集团股份有限公司 | Pulse water distributor |
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| SU1722306A1 (en) * | 1990-05-17 | 1992-03-30 | Всесоюзное Научно-Производственное Объединение По Механизации Орошения "Радуга" | Device for irrigation |
| CN201077803Y (en) * | 2007-08-21 | 2008-06-25 | 四川立新瑞德环保科技发展有限责任公司 | Pulse water distributing device |
| CN201082875Y (en) * | 2007-08-24 | 2008-07-09 | 宜兴市清涵环保工程有限公司 | Energy-saving impulse anaerobic reactor |
| CN201704125U (en) * | 2010-04-30 | 2011-01-12 | 青岛银河环保股份有限公司 | Siphon type pulse water distributor and sewage treatment pool with the same |
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