CN202465367U - Biochemical reaction basin for sewage treatment - Google Patents
Biochemical reaction basin for sewage treatment Download PDFInfo
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- CN202465367U CN202465367U CN2011204682143U CN201120468214U CN202465367U CN 202465367 U CN202465367 U CN 202465367U CN 2011204682143 U CN2011204682143 U CN 2011204682143U CN 201120468214 U CN201120468214 U CN 201120468214U CN 202465367 U CN202465367 U CN 202465367U
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- pond
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- biochemical reaction
- perforation
- reaction tank
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a biochemical reaction basin for sewage treatment, and belongs to the field of sewage treatment equipment. The reaction basin comprises a basin body, a water inlet device, an aeration system and a blocking and water outlet device, wherein the water inlet device is connected with the basin body; a perforated aerator of the aeration system is arranged in the basin body; the blocking and water outlet device consists of perforated weir plate, a water outlet valve and a water outlet pipe; the water outlet pipe is connected to the basin body through the water outlet valve; the perforated weir plate is arranged in the basin body, and is opposite to an outlet of the water outlet pipe; a water outlet trough is formed in the basin body at the outlet of the water outlet pipe; and the perforated weir plate is provided with a plurality of through holes with apertures which are smaller than particle sizes of fillers in the basin body. The biochemical reaction basin is simple in structure, low in manufacture cost, convenient to manufacture and high in treatment efficiency, and has a good effect; and the water outlet cannot be clogged by the fillers, so that sewage can be effectively treated.
Description
Technical field
The utility model relates to the sewage disposal device field, relates in particular to a kind of biochemical reaction tank that can efficiently carry out WWT.
Background technology
MBBR (Moving Bed Biofilm Reactor; MBBR) be quite valued in recent years a kind of innovation type biofilm reactor; It can solve fixed-bed reactor and need regular back flushing, has also solved the submerged biological filter and has stopped up the problems such as complex operations that need to clean filtrate and change aerator, simultaneously; Attached growth of microorganisms is on bio-carrier; Can keep the long biosolids residence time (i.e. zero mud), the existence of the nitrifying bacteria community long for generation time, that rate of propagation is slow provides good living environment, makes that system's denitrogenation ability is very outstanding.Practice situation shows that MBBR technology is being better than traditional activated sludge process and traditional biological embrane method aspect organism and the treatment of ammonia nitrogen effect, and this technology can improve organic matter removal efficient, and denitrification effect is better.
Yet MBBR technology biochemical reaction tank main problem now is the design aspect existence deficiency of water feed apparatus, aerating system, water outlet blocking apparatus.Water feed apparatus and aerating system can directly influence water body fluidised form in the pond, and then influence the mode of fluidization of filler in the pond.Dissolved oxygen concentration in the aerating system direct relation water body influences the system handles effect simultaneously.The key problem in technology of MBBR method is that proportion approaches to be easy under water, the gentle agitation with the free-moving biologic packing material of water.But because this filler size is less, run off with current easily, thereby blocking apparatus is set is necessary.Present most of blocking apparatus adopts the netted blocking apparatus of straight-plate-type, needs fixation means, and is prone to stop up, and the stifled problem of filler card occurs.On the other hand, the netted blocking apparatus of straight-plate-type from Chi Tiyi through to the pond at the bottom of, for heavy construction, material cost is higher.
The utility model content
The utility model embodiment provides a kind of WWT biochemical reaction tank; Can solve present MBBR blocking apparatus and adopt the netted blocking apparatus of straight-plate-type; Need fixation means, and be prone to stop up, and the stifled and cost problem of higher of filler card occurs.
Following for addressing the above problem the technical scheme that the utility model provides:
The utility model embodiment provides a kind of WWT biochemical reaction tank, and this reaction tank comprises:
Pond body, water feed apparatus, aerating system and interception discharging device; Wherein,
Said water feed apparatus is connected with the pond body; The boring aeration device of said aerating system is arranged in the body of pond;
Said interception discharging device is made up of perforation weir plate, outlet valve and rising pipe; Wherein rising pipe is connected Chi Tishang through outlet valve; The perforation weir plate is arranged in the body of pond, and the outlet position of corresponding rising pipe forms effluent trough in the body of the pond in rising pipe exit, and the perforation weir plate is provided with the through hole of a plurality of apertures less than packing material size in the body of pond.
Can be found out that by the above-mentioned technical scheme that provides the biochemical reaction tank that the utility model embodiment provides is compared with existing MBBR reaction tank, beneficial effect is: (1) biologic packing material fluidised form is effective, no dead angle in the reaction tank, no filler alluvial phenomenon; (2) the biologic packing material interception result is good, and blocking apparatus is simple, saves material; (3) wastewater purifying efficiency is good, can be used as the core reaction unit of samll cities and towns' WWT integration apparatus, also can be applicable to the upgrading of sewage work.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skill in the art; Under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the reaction tank that provides of the utility model embodiment;
Fig. 2 is the synoptic diagram of the perforation weir plate blocking apparatus of the utility model;
Fig. 3 is the vertical view that the reactor drum that provides of the utility model embodiment 1 adopts the annular perforations aeration tube;
Fig. 4 is the vertical view that the reactor drum that provides of the utility model embodiment 2 adopts the aerating tube-type micropore device;
Each label corresponding components name is called among the figure: the 1-water inlet pipe; The 2-water intaking valve; 3-pond body; The 4-water distributor of boring a hole; 5-air inlet main; 6-annular perforations gas pipe; The 7-weir plate of boring a hole; The 8-outlet valve; The 9-rising pipe; The 10-tube support; The 11-support; 12-aerating tube-type micropore device; The 13-effluent trough; The 14-intake valve.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment of the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the protection domain of the utility model.
To combine accompanying drawing that the utility model embodiment is done to describe in detail further below.
The utility model embodiment provides a kind of WWT biochemical reaction tank, can be used as MBBR, and is as shown in Figure 1, and this reaction tank comprises: pond body, water feed apparatus, aerating system and interception discharging device;
Wherein, water feed apparatus is connected with the pond body; The boring aeration device of aerating system is arranged in the body of pond;
The interception discharging device is made up of perforation weir plate, outlet valve and rising pipe; Wherein rising pipe is connected Chi Tishang through outlet valve; The perforation weir plate is arranged in the body of pond, and the outlet position of corresponding rising pipe forms effluent trough in the body of the pond in rising pipe exit, and the perforation weir plate is provided with the through hole of a plurality of apertures less than packing material size in the body of pond.
The perforation weir plate of above-mentioned reaction tank is board-like bending structure, and its bottom is fixedly connected with the pond body sidewall that sets out water pipe one side, and upper end and pond body sidewall keep certain distance, is effluent trough between perforation weir plate and the pond body sidewall.
The water feed apparatus of above-mentioned reaction tank is formed by connecting water inlet pipe, water intaking valve and perforation water distributor; Wherein, the water inlet pipe front end is connected with water intaking valve, and water inlet pipe stretches to from pond body upper end at the bottom of the pond from top to bottom, the terminal perforation water distributor that connects of water inlet pipe.In the reality, water inlet pipe all is fixed in the body of pond through the tube support that is provided with on the side pool wall with the perforation water distributor.
The aerating system air inlet main of above-mentioned reaction tank, intake valve and boring aeration device constitute, and wherein, boring aeration device distributed and arranged is the body bottom in the pond, and the boring aeration device is connected with the air inlet main, and the air inlet main is provided with intake valve.
Above-mentioned boring aeration device can be arranged on body bottom, said pond through support, and the boring aeration device is higher than the height near water inlet pipe one end near the height of rising pipe one end.
Above-mentioned boring aeration device can adopt the annular perforations aeration tube that comprises one or more boring aeration pipe.The boring aeration device also can adopt a plurality of aerating tube-type micropore pipes to be the aerating tube-type micropore device that the fishbone type distributes.
In the above-mentioned biochemical reaction tank, Chi Tike adopts the square structure or the circular configuration of steelwork or concrete structure.The water inlet pipe of water feed apparatus is at the bottom of the pond is stretched into from top to bottom in body upper end in pond, and the water inlet pipe end connects the perforation water distributor through threeway; Perforation water distributor bottom and water inlet pipe one side pool wall are equipped with tube support; Can adopt loose joint or flange to be connected between water inlet pipe and the water distributor; The boring aeration device of aerating system adopts annular perforations aerator or aerating tube-type micropore device, if adopt the annular perforations aerator, can be uniformly distributed with some boring aeration pipes at annular perforations aerator internal condition treatment scale; If adopt the aerating tube-type micropore device can adopt the fishbone type to arrange; No matter adopt which kind of aerator in the mounting height of water side all a little more than the mounting height of feed-water end, thereby realize the purpose that aeration rate increases progressively gradually from feed-water end to water side, can adopt loose joint or flange to be connected between the air inlet main of aerating system and the gas distribution pipe; In this reaction tank blocking apparatus and discharging device are united two into one: sideboard is made the weir plate formula, but do not have effluent weir, evenly perforate on the plate; Bore dia is slightly less than the diameter of used filler in the body of pond; And guarantee to set out water pipe in upper end, weir plate bending place by certain percentage of open area, rising pipe picks out water valve.
The biochemical reaction tank that the utility model embodiment provides has well solved the following problem that existing MBBR exists:
(1) the filler fluidisation out of order: the successful key of MBBR technology operation is to make that filler presents good fluidized state in the pond, avoids occurring the situation of dead angle and alluvial.Water feed apparatus and aerating system are directly connected to the filler fluidized state, and aerating system is the MBBR technology key link especially, are directly connected to the quality of filler fluidized state in the pond;
(2) water side is prone to and stops up and the stifled problem of filler card: because the filler of MBBR process using is generally less; Be prone to run off, thereby need set out the water blocking apparatus with current, and the present netted blocking apparatus of the more employing straight-plate-type of water outlet blocking apparatus; Filler is prone to be stuck in the hole on the one hand; On the other hand, for heavy construction, material cost is higher;
(3) treatment effect is not up to standard: the fluidized state of aerating system filler in influencing the pond; More with water body in dissolved oxygen concentration relevant; Can make pond body oxygen in water concentration reach suitable scope through good aerating system, thereby be beneficial to the microorganism growth breeding, reach treatment effect preferably;
The biochemical reaction tank of the utility model embodiment is simple in structure, low cost of manufacture, easy to maintenance, highly-efficient treatment; Effective, this reaction tank is compared with existing MBBR reaction tank, has following beneficial effect: (1) biologic packing material fluidised form is effective; No dead angle in the reaction tank, no filler alluvial phenomenon; (2) the biologic packing material interception result is good, and blocking apparatus is simple, saves material; (3) wastewater purifying efficiency is good, can be used as the core reaction unit of samll cities and towns' WWT integration apparatus, also can be applicable to the upgrading of sewage work; (4) the reaction tank global design is superior to existing MBBR reaction tank, and aeration efficient significantly improves, and saves floor space more.
Below in conjunction with specific embodiment above-mentioned biochemical reaction tank is described further.
Embodiment 1
Present embodiment provides a kind of WWT biochemical reaction tank, and like Fig. 1, shown in 3, this reaction tank comprises water feed apparatus, aerating system, interception discharging device and Chi Tisi part; Wherein, the square or circular structure of pond body 3 general employings can adopt steel plate welding or steel bar concrete casting; Sewage gets into through the water inlet pipe 1 of water feed apparatus, regulates and the control flooding velocity through water intaking valve 2; Water inlet pipe 1 is curved downwards to a distance at the bottom of the body of pond by body top, pond; Be connected with perforation water distributor 4 through threeway, perforation water distributor bottom is according to certain distance perforate at interval, and bore dia is slightly less than filler size; Filler gets into the perforation water distributor when preventing to stop into water, or stops up water distributing pore; Sewage flows out after water side perforation weir plate 7 gets into effluent troughs 13 from the perforation water distributor, gets into rising pipes 9 and flows out through the water outlet at the effluent trough 13 middle parts outlet valve 8 of flowing through again; The air inlet main 5 of aerating system is upwards crossed body top, pond through intake valve 14 along pool wall and is connected with annular perforations gas pipe 6 through threeway down to a distance at the bottom of the pond; The annular perforations gas pipe is made up of the gas distributionbranch pipe that is uniformly distributed with in an annular perforations gas distribution pipe and the annular perforations gas distribution pipe, and the arm bottom intersects 45.Evenly perforate, every bore dia is slightly less than used filler size, and moves towards the height of arm at the bottom of apart from the pond along current and strengthen gradually, thereby increases gradually along water (flow) direction tolerance, makes that filler is easy to form fluidized state in the pond body 3.Aerating system in this reaction tank is with respect to plate-type aerator, perforated pipe aerating regulation system saves material and cost, and easy to process.
Embodiment 2
What the biochemical reaction tank that present embodiment provides and embodiment 1 were different is to adopt aerating tube-type micropore device 12 in its aerating system; Aerating tube-type micropore device 12 is arranged in parallel at the bottom of the pond; Be connected with the air inlet main 5 that intake valve 14 is set; Aerating tube-type micropore device 12 is the micropore gas distributionbranch pipes that herringbone distributes and is constituted by a plurality of, and moves towards the height of arm at the bottom of apart from the pond along current and strengthen gradually.The aerating system of this structure also can make in the body of pond, moves towards arm and the main height at the bottom of apart from the pond along current and increases gradually, makes also to increase gradually along water (flow) direction tolerance that filler is easy to form fluidized state in the pond thereby make.With respect to plate-type aerator, the aerating tube-type micropore system is easy for installation.
In sum, the biochemical reaction tank of the utility model embodiment is simple in structure, low cost of manufacture, easy to maintenance, highly-efficient treatment, and is effective.
The above; Be merely the preferable embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain of claims.
Claims (8)
1. a WWT biochemical reaction tank is characterized in that, this reaction tank comprises:
Pond body, water feed apparatus, aerating system and interception discharging device; Wherein,
Said water feed apparatus is connected with the pond body; The boring aeration device of said aerating system is arranged in the body of pond;
Said interception discharging device is made up of perforation weir plate, outlet valve and rising pipe; Wherein rising pipe is connected Chi Tishang through outlet valve; The perforation weir plate is arranged in the body of pond, and the outlet position of corresponding rising pipe forms effluent trough in the body of the pond in rising pipe exit, and the perforation weir plate is provided with the through hole of a plurality of apertures less than packing material size in the body of pond.
2. WWT biochemical reaction tank according to claim 1; It is characterized in that said perforation weir plate is board-like bending structure, its bottom is fixedly connected with the pond body sidewall that sets out water pipe one side; The upper end keeps certain distance with the pond body sidewall, is effluent trough between perforation weir plate and the pond body sidewall.
3. WWT biochemical reaction tank according to claim 1 is characterized in that, said water feed apparatus is formed by connecting water inlet pipe, water intaking valve and perforation water distributor; Wherein, the water inlet pipe front end is connected with water intaking valve, and water inlet pipe stretches to from pond body upper end at the bottom of the pond from top to bottom, the terminal perforation water distributor that connects of water inlet pipe.
4. WWT biochemical reaction tank according to claim 3 is characterized in that, said water inlet pipe all is fixed in the body of pond through the tube support that is provided with on the side pool wall with the perforation water distributor.
5. WWT biochemical reaction tank according to claim 1; It is characterized in that; Said aerating system is made up of air inlet main, intake valve and boring aeration device, and wherein, boring aeration device distributed and arranged is the body bottom in said pond; The boring aeration device is connected with the air inlet main, and the air inlet main is provided with intake valve.
6. WWT biochemical reaction tank according to claim 3 is characterized in that, said boring aeration device is arranged on body bottom, said pond through support, and the boring aeration device is higher than the height near water inlet pipe one end near the height of rising pipe one end.
7. according to claim 5 or 6 described WWT biochemical reaction tanks, it is characterized in that said boring aeration device adopts the annular perforations aeration tube that comprises one or more boring aeration pipe.
8. according to claim 5 or 6 described WWT biochemical reaction tanks, it is characterized in that said boring aeration device adopts the aerating tube-type micropore device of a plurality of aerating tube-type micropore pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204682143U CN202465367U (en) | 2011-11-22 | 2011-11-22 | Biochemical reaction basin for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204682143U CN202465367U (en) | 2011-11-22 | 2011-11-22 | Biochemical reaction basin for sewage treatment |
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| Publication Number | Publication Date |
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| CN202465367U true CN202465367U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011204682143U Expired - Fee Related CN202465367U (en) | 2011-11-22 | 2011-11-22 | Biochemical reaction basin for sewage treatment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540872A (en) * | 2016-01-26 | 2016-05-04 | 严润峰 | Sewage treatment technology system and use method thereof |
| CN106430557A (en) * | 2016-10-20 | 2017-02-22 | 沈阳建筑大学 | Device for preventing water outlet of biochemical tank from being blocked by MBBR (Moving Bed Biofilm Reactor) filling |
| CN107758851A (en) * | 2016-08-18 | 2018-03-06 | 宜兴市天马环保工程有限公司 | Divergence type spiral-flow type sbr reactor pond |
| CN110950426A (en) * | 2019-11-19 | 2020-04-03 | 青岛首创瑞海水务有限公司 | MBBR (moving bed biofilm reactor) process-based filler reduction optimization method |
-
2011
- 2011-11-22 CN CN2011204682143U patent/CN202465367U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540872A (en) * | 2016-01-26 | 2016-05-04 | 严润峰 | Sewage treatment technology system and use method thereof |
| CN105540872B (en) * | 2016-01-26 | 2019-12-24 | 严润峰 | Sewage treatment technical system and application method thereof |
| CN107758851A (en) * | 2016-08-18 | 2018-03-06 | 宜兴市天马环保工程有限公司 | Divergence type spiral-flow type sbr reactor pond |
| CN106430557A (en) * | 2016-10-20 | 2017-02-22 | 沈阳建筑大学 | Device for preventing water outlet of biochemical tank from being blocked by MBBR (Moving Bed Biofilm Reactor) filling |
| CN110950426A (en) * | 2019-11-19 | 2020-04-03 | 青岛首创瑞海水务有限公司 | MBBR (moving bed biofilm reactor) process-based filler reduction optimization method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20161122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |