CN103130328A - Artificial wetland sewage pretreatment apparatus - Google Patents
Artificial wetland sewage pretreatment apparatus Download PDFInfo
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- CN103130328A CN103130328A CN2013100616767A CN201310061676A CN103130328A CN 103130328 A CN103130328 A CN 103130328A CN 2013100616767 A CN2013100616767 A CN 2013100616767A CN 201310061676 A CN201310061676 A CN 201310061676A CN 103130328 A CN103130328 A CN 103130328A
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- dam
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- artificial swamp
- treatment device
- screen cloth
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Abstract
The invention relates to an artificial wetland sewage pretreatment apparatus. The apparatus comprises a water inlet river channel formed by a splayed baffle wall, and an artificial wetland sewage pretreatment device connected with the water inlet river channel; the water inlet river channel is provided with a baffle wall device; the baffle wall device is formed by a baffle dam and a screen; the baffle dam is fixedly connected to the bottom of the water inlet river channel; and the screen is fixedly connected with the top of the baffle dam. The artificial wetland sewage pretreatment apparatus has the following beneficial effects: the height of the dam body is determined according to the lowest water level of the river channel in the dry season, so the flow at the upper portion of the dam body is not influenced, the inlet water flow of a wetland is guaranteed, and low-speed sedimentary sand can be blocked from entering the wetland pretreatment part; and large river floaters intercepted by the screen are the main reason causing inlet water grating equipment overload and inlet water pump maintenance, so steel gratings having a 0.08m spacing are an important measure for solving the hidden equipment troubles, and each of the gratings is fixed through the welding to the embedded part on a stable column once casted with the baseboard of the dam, and has a safe structure.
Description
Technical field
The invention belongs to sewage disposal technology, relate in particular to a kind of artificial swamp sewage pre-treatment device.
Background technology
Artificial swamp is a kind of Novel sewage Ecological Disposal technology that grows up the seventies and eighties in 20th century.According to the difference of sewage flow pattern in wetland, artificial wet land sewage treating process can be divided into three types: surface current artificial wetland, drowned flow artificial wet land and vertical current constructed wetland wherein are most widely used with drowned flow artificial wet land.The cleaning principle of artificial swamp is to dispose of sewage by the physics in Wetlands ecosystems, chemistry and biological three's synergy, have that working cost is low, maintenance management is simple, little on the surrounding enviroment impact, can be decentralized and characteristics that miniaturization is built.At present, artificial swamp shows great advantage in wastewater treatment and eutrophied water treatment, have suitable vast potential for future development.Because people are shorter to the search time of artificial swamp, still exist a lot of not enoughly in actual application, as short in dwell time of sewage, wetland easily stops up, inner dissolved oxygen is lower, it is large etc. easily to form slough and floor space.
See accompanying drawing 4 for details, the applicant is in building certain Westbound, development area, city artificial swamp engineering, approximately 12 hectares of this project floor spaces are the important node that the Westbound aquatic ecosystem builds engineering, build that the place is positioned to the west of village road, center, Westbound, development area, the Beijing-Tianjin pool at a high speed to the north of.The Westbound artificial swamp adopts the undercurrent type wetland, and the main source water that enters the river course by the Westbound sewage disposal plant effluent of admitting promotes through inlet pumping station and enter artificial swamp and man-made lake after the pre-treatment link.In use, find that the problem that exists is: because floater in river is more, often cause the load too high of the front grid of pump to need the labor cleaning, some tiny foreign material can be sneaked into pump sump simultaneously, serious meeting causes the damage of pumping unit, drive a large amount of drift sands through flowing in addition and enter aerated grit chamber, cause water outlet SS index too high.
Summary of the invention
The present invention is in order to overcome deficiency of the prior art, a kind of artificial swamp sewage pre-treatment device is provided, at the river course entrance of intaking, barricade is set and both can have guaranteed to process the flow of water, can effectively tackle again foreign material and reduce quicksand volume, the maintenance rate of grid maker and intake pump is reduced greatly, alleviate equipment work intensity, reduced running cost.
The present invention for achieving the above object, be achieved through the following technical solutions, a kind of artificial swamp sewage pre-treatment device, comprise the water-in river course and the connected artificial swamp sewage pre-treatment device that are consisted of by Eight characters barricade, it is characterized in that: described water-in river course arranges the barricade device, described barricade device is made of gear dam and screen cloth, and described gear dam is fixed in river bed, water-in river course, and described screen cloth is affixed with gear dam crest section.
Described gear dam comprises footing foundation and dam body, and described footing foundation and river bed, water-in river course are affixed, and dam body and footing foundation are affixed becomes whole.
Described footing foundation is provided with column, and described column is located at side after dam body, and described column top and screen cloth top are affixed, and described screen bottom and dam body top are affixed.
Described column quantity is 4-8, is distributed on footing foundation.
Described dam body height 40-60cm.
Described screen cloth is tilting with column and is connected.
Described screen cloth is the grating aperture plate of 8 * 8 centimetres of spacings.
The top that described screen cloth is connected with column affixed with bearing down on one of bearing down on one and be connected with former river course.
Beneficial effect: having formed at the inlet pumping station front end in conjunction with on-the-spot reality is the scheme that the gear dam is set on the river course, the lowest water level of the height of dam body during with reference to the river course dry season, neither can affect the overcurrent on dam body top, guarantee again the flooding velocity of wetland, can also stop that low speed deposition drift sand enters the wetland preprocessing part; The bulk floater in river of tackling by screen cloth is the main arch-criminal who causes trash rack apparatus overload and intake pump maintenance, therefore the steel grid of 0.08 meter spacing becomes the important measures that solve hidden trouble of equipment, grid be by with the stability column of dam body base plate primary concreting on built-in fitting be welded and fixed, structural safety; This engineering overall cost is only 140,000 yuan, wetland water inlet SS reduces effectively, corresponding water outlet SS index is up to standard stable, effective interception due to floater in river, the maintenance rate of grid maker and intake pump reduces greatly, alleviated equipment work intensity, reduced running cost, the improvement that is improved of the environment of inlet pumping station front end.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A view of Fig. 1;
Fig. 3 is that the position of column arranges structure iron;
Fig. 4 is artificial swamp sewage pre-treatment device process flow sheet.
In figure: 1, water-in river course, 2, the artificial swamp sewage pre-treatment device, 3, the gear dam, 4, screen cloth, 5, footing foundation, 6, dam body, 7, column, 8, bear down on one.
Embodiment
Below in conjunction with preferred embodiment, to details are as follows according to embodiment provided by the invention:
Embodiment
See accompanying drawing for details, the applicant is in building certain Westbound, development area, city artificial swamp engineering, approximately 12 hectares of this project floor spaces are the important node that the Westbound aquatic ecosystem builds engineering, build that the place is positioned to the west of village road, center, Westbound, development area, the Beijing-Tianjin pool at a high speed to the north of.The Westbound artificial swamp adopts the undercurrent type wetland, and the main source water that enters the river course by the Westbound sewage disposal plant effluent of admitting promotes through inlet pumping station and enter artificial swamp and man-made lake after the pre-treatment link.In use, find that the problem that exists is: because floater in river is more, often cause the load too high of the front grid of pump to need the labor cleaning, some tiny foreign material can be sneaked into pump sump simultaneously, serious meeting causes the damage of pumping unit, drive a large amount of drift sands through flowing in addition and enter aerated grit chamber, cause water outlet SS index too high.
For above situation, serious analysis has been carried out at the scene, and in conjunction with on-the-spot reality formed the inlet pumping station front end be arrange on the river course gear dam scheme, a kind of artificial swamp sewage pre-treatment device, comprise the water-in river course 1 and the connected artificial swamp sewage pre-treatment device 2 that are consisted of by Eight characters barricade, described water-in river course arranges the barricade device, described barricade device is made of gear dam 3 and screen cloth 4, and described gear dam is fixed in river bed, water-in river course, and described screen cloth is affixed with gear dam crest section.
The preferred version of the present embodiment, described gear dam comprise footing foundation 5 and dam body 6, and described footing foundation and river bed, water-in river course are affixed, and dam body and footing foundation are affixed becomes whole, convenient construction, Stability Analysis of Structures.Described dam body height 40-60cm.Present case height of dam optimum height is 0.5 meter, and is wide 20 meters.Dam body is shorter, for the slow characteristics of Westbound streamflow speed, what tackle is the drift sand of low flow velocity, the height of dam body is the lowest water level during with reference to the river course dry season, can not affect like this overcurrent on dam body top, guarantees the flooding velocity of wetland, can also stop that low speed deposition drift sand enters the wetland preprocessing part, this is different from the gear dam in general river course or river, and dam body is higher than ordinary water level, by the gate earial drainage; Short dam structure is stable, the dam body of 0.5 meter height through reinforcing bar binding concrete one-time-concreting after, Stability Analysis of Structures, the flow velocity river course water of 0.5-1 meter per second does not almost consist of the impact of structure to dam body.
The preferred version of the present embodiment, described footing foundation is provided with column 7, and described column is located at side after dam body, and described column top and screen cloth top are affixed, and described screen bottom and dam body top are affixed.Described column quantity is 4-8, is distributed on footing foundation.Can guarantee that mesh structure is more stable.
The preferred version of the present embodiment, described screen cloth is tilting with column and is connected.Described screen cloth is the grating aperture plate of 8 * 8 centimetres of spacings.Dam body and steel screen cloth are affixed, the bulk floater in river of tackling by screen cloth is the main arch-criminal who causes trash rack apparatus overload and intake pump maintenance, therefore the steel grid of 0.08 meter spacing becomes the important measures that solve hidden trouble of equipment, grid be by with the stability column of dam body base plate primary concreting on built-in fitting be welded and fixed, structural safety; The steel screen cloth is to tilt to put is convenient to desilting, this is the link that this programme refinement is considered, thereby we consider too much may cause silting to affect overcurrent at the floater in river of inlet pumping station front end interception, therefore we are arranged to the forward inclination of current direction with the steel screen cloth, drag for clearly Shi Keyong rake class instrument commonly used in municipal sector and carry out traction along steel pipe, laborsaving so also convenient.
The preferred version of the present embodiment, the top that described screen cloth is connected with column affixed with former river course bear down on one be connected bear down on one 8, bearing down on one with former river course and be connected in 8 both sides of bearing down on one, barricade device and former river course is consisted of whole, structure is more stable.
The above is only preferred embodiment of the present invention, is not structure of the present invention is done any pro forma restriction.Every foundation technical spirit of the present invention all still belongs in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment does.
Claims (8)
1. artificial swamp sewage pre-treatment device, comprise the water-in river course and the connected artificial swamp sewage pre-treatment device that are consisted of by Eight characters barricade, it is characterized in that: described water-in river course arranges the barricade device, described barricade device is made of gear dam and screen cloth, described gear dam is fixed in river bed, water-in river course, and described screen cloth and gear dam crest section are affixed.
2. artificial swamp sewage pre-treatment device according to claim 1 is characterized in that: described gear dam comprises footing foundation and dam body, and described footing foundation and river bed, water-in river course are affixed, and dam body and footing foundation are affixed becomes whole.
3. artificial swamp sewage pre-treatment device according to claim 2, it is characterized in that: described footing foundation is provided with column, and described column is located at side after dam body, and described column top and screen cloth top are affixed, and described screen bottom and dam body top are affixed.
4. artificial swamp sewage pre-treatment device according to claim 3 is characterized in that: described column quantity is 4-8, is distributed on footing foundation.
5. artificial swamp sewage pre-treatment device according to claim 1 and 2, is characterized in that: described dam body height 40-60cm.
6. artificial swamp sewage pre-treatment device according to claim 1, it is characterized in that: described screen cloth is tilting with column and is connected.
7. artificial swamp sewage pre-treatment device according to claim 6, it is characterized in that: described screen cloth is the grating aperture plate of 8 * 8 centimetres of spacings.
8. artificial swamp sewage pre-treatment device according to claim 7 is characterized in that: the top that described screen cloth is connected with column affixed with bearing down on one of bearing down on one and be connected with former river course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100616767A CN103130328A (en) | 2013-02-27 | 2013-02-27 | Artificial wetland sewage pretreatment apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100616767A CN103130328A (en) | 2013-02-27 | 2013-02-27 | Artificial wetland sewage pretreatment apparatus |
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| CN103130328A true CN103130328A (en) | 2013-06-05 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2300440Y (en) * | 1997-07-03 | 1998-12-16 | 陈起洪 | Sand isolation device |
| KR20060079501A (en) * | 2004-12-31 | 2006-07-06 | 주식회사 한남 | Preprocessing and adjustment apparatus of waster water recyclic apparatus |
| CN101845806A (en) * | 2010-05-19 | 2010-09-29 | 河海大学 | Permeable overflow dam combining functions of water level control and water purification |
| CN102515363A (en) * | 2012-01-19 | 2012-06-27 | 李学麒 | Aquatic artificial wetland capable of purifying water, and manufacturing method thereof |
| CN202559376U (en) * | 2012-04-28 | 2012-11-28 | 浙江润业建设有限公司 | Near-river municipal administration road structure below viaduct bridge |
-
2013
- 2013-02-27 CN CN2013100616767A patent/CN103130328A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2300440Y (en) * | 1997-07-03 | 1998-12-16 | 陈起洪 | Sand isolation device |
| KR20060079501A (en) * | 2004-12-31 | 2006-07-06 | 주식회사 한남 | Preprocessing and adjustment apparatus of waster water recyclic apparatus |
| CN101845806A (en) * | 2010-05-19 | 2010-09-29 | 河海大学 | Permeable overflow dam combining functions of water level control and water purification |
| CN102515363A (en) * | 2012-01-19 | 2012-06-27 | 李学麒 | Aquatic artificial wetland capable of purifying water, and manufacturing method thereof |
| CN202559376U (en) * | 2012-04-28 | 2012-11-28 | 浙江润业建设有限公司 | Near-river municipal administration road structure below viaduct bridge |
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Application publication date: 20130605 |