CN209923064U - Wetland waste water recycling system - Google Patents
Wetland waste water recycling system Download PDFInfo
- Publication number
- CN209923064U CN209923064U CN201821941108.0U CN201821941108U CN209923064U CN 209923064 U CN209923064 U CN 209923064U CN 201821941108 U CN201821941108 U CN 201821941108U CN 209923064 U CN209923064 U CN 209923064U
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- CN
- China
- Prior art keywords
- tank
- water
- wetland
- pump
- sludge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004064 recycling Methods 0.000 title claims abstract description 18
- 239000002351 wastewater Substances 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000001914 filtration Methods 0.000 claims abstract description 38
- 239000010802 sludge Substances 0.000 claims abstract description 31
- 229920000742 Cotton Polymers 0.000 claims abstract description 25
- 238000004062 sedimentation Methods 0.000 claims abstract description 18
- 230000004913 activation Effects 0.000 claims abstract description 15
- 239000008234 soft water Substances 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
- 230000003213 activating Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000012736 patent blue V Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
Images
Abstract
The utility model particularly relates to a wetland waste water recycling system belongs to water treatment technical field, and the technical problem that solve provides a reduce blowdown, improve water resource utilization's wetland waste water recycling system, and the technical scheme of adoption is: a wetland wastewater recycling system comprises a filter tank, a lift pump, a sedimentation tank, PP cotton filtration, a pressure pump, a precision filter, a delivery pump, an automatic softening device and a workshop soft water tank; the components are connected in sequence through pipelines; a water taking tank is arranged between the filter tank and the wetland, the bottom surface of the water taking tank is obliquely arranged, a sludge pump is arranged on the bottom surface of the water taking tank, a sludge activation tank is arranged at the outlet of the sludge pump, and the sludge activation tank is communicated with the wetland; the utility model is used for the recycle of wetland waste water can reduce the emission of sewage, improves the utilization ratio of water resource to let wetland water become running water, improve wetland sewage treatment capacity.
Description
Technical Field
The utility model belongs to the technical field of water treatment, a wetland waste water recycling system of specific design.
Background
The formation of green production life style, the acceleration of the improvement of ecological environment, the reduction of total domestic production water consumption by 23 percent, and the construction of beautiful China with sky blue, earth green and clear water are important contents for the thirteen-five planning of the national economy and social development of the people's republic of China. Therefore, the recycling of the waste water is one of the ways of saving energy, reducing emission and improving ecological environment.
The traditional sewage treatment system has high investment cost and high operation cost; the constructed wetland has the advantages of low construction and operation cost, easy maintenance and low technical content, and the constructed wetland has strong capacity for treating nitrogen and phosphorus, and is a preferable mode for treating sewage under the requirement of a sustainable development road.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects in the prior art and provides a wetland waste water recycling system which can reduce pollution discharge and improve the utilization rate of water resources.
In order to solve the technical problem, the utility model discloses a technical scheme be: a wetland wastewater recycling system comprises a filter tank, a lift pump, a sedimentation tank, PP cotton filtration, a pressure pump, a precision filter, a delivery pump, an automatic softening device and a workshop soft water tank; the components are connected in sequence through pipelines;
the sewage treatment device is characterized in that a water taking tank is arranged between the filter tank and the wetland, the bottom surface of the water taking tank is inclined, a sludge pump is arranged on the bottom surface of the water taking tank, a sludge activation tank is arranged at the outlet of the sludge pump, and the sludge activation tank is communicated with the wetland.
And a water storage tank is arranged between the precision filter and the delivery pump.
The filter tank sets gradually first filter screen and second filter screen according to the rivers direction, first filter screen aperture is 1cm, second filter screen aperture is 2 mm.
The sedimentation tank is a horizontal flow type sedimentation tank, and a mud scraper is arranged in the horizontal flow type sedimentation tank.
The PP cotton filtering device is characterized in that primary PP cotton filtering and secondary PP cotton filtering are sequentially arranged according to the water flow direction, the filtering precision of the primary PP cotton filtering is 5 mu m, and the filtering precision of the secondary PP cotton filtering is 1 mu m.
The structure of the mud scraper comprises a driving device, a working bridge, a main mud scraper, an auxiliary mud scraper, a central turntable, a skimming device, an overflow weir plate, a slag baffle, a current collecting device and a guide cylinder.
The wetland sewage treatment steps of the utility model are as follows: the wetland flows to a water taking tank, the water enters a filtering tank after primary sludge sedimentation, large garbage (larger than 1 cm) is filtered by a first filter screen, and small garbage (larger than 2 mm) is filtered by a second filter screen; enabling wetland water to enter a sedimentation tank, settling silt and other settleable impurities, wherein the settling time is generally 2-6 h, enabling supernatant to enter PP cotton for filtration, and enabling the pore diameter of PP cotton filtration micropores to be in gradient distribution along the diameter direction, and filtering the impurities larger than 1 mu m; conveying the wet ground water to a precision filter through a pressure pump, and filtering impurities larger than 0.22 mu m; the wetland water enters a reservoir and is conveyed to an automatic softening device through a conveying pump according to the water use requirement, and the automatic softening device adopts ion exchange resin to remove scale ions such as calcium, magnesium and the like in the water; and (4) treating the wetland water to reach the water use standard of the workshop, and storing the treated wetland water in a soft water tank of the workshop for later use.
And the sludge in the water taking tank is conveyed to a sludge activation tank through a sludge pump, and the activated sludge is returned to the wetland for recycling.
And the step of sludge activation comprises the steps of injecting water into the sludge activation tank, adding a commercially available sludge activating agent after stopping water injection, then starting aeration, stopping aeration and settling for 1 hour after 2-3 days of aeration, injecting water, and then injecting the water into the wetland for recycling.
After the wetland wastewater recycling system is used for treating, the water quality reaches the standard of workshop water, and indexes of the wetland water after recycling treatment are as follows:
| item | Hardness mmol/L | pH | Conductivity mS/cm | Cl- |
| Well water | 5.8 | 7.8 | 1768 | 84 |
| After being treated by the wetland |
8 | 8 | 3800 | 140 |
| Water index for workshop | ≤9 | 7.8—8.5 | ≤3900 | ≤150 |
For hardness, pH, conductivity and Cl-The standard workshop water can be adopted, the wetland wastewater recycling system can be adopted.
Compared with the prior art, the utility model following beneficial effect has.
One, the utility model relates to a water intaking pond, the mud in water intaking pond can be by wetland reuse after the activation, has improved the activation ability of wetland, and wetland water impurity after water intaking pond deposits reduces, reduces the sequent process to wetland water treatment pressure to improve the cleanliness factor of reuse water.
Secondly, the utility model discloses with wetland waste water recycle, reduced the emission of sewage, have huge promotion effect to environmental protection.
Thirdly, the utility model discloses utilize waste water softening water, improved the utilization ratio of water resource.
Fourthly, the utility model discloses handle recycle with wetland waste water, let wetland water become running water, improve wetland sewage treatment ability to improve sewage treatment effect.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1 is the filtering ponds, 2 is the elevator pump, 3 is the sedimentation tank, 4 is the cotton filtration of PP, 5 is the force (forcing) pump, 6 is precision filter, 7 is the delivery pump, 8 is automatic softening installation, 9 is the soft pond in workshop, 10 is the cistern, 11 is first filter screen, 12 is the second filter screen, 13 is for getting the pond, 14 is the sludge activation pond, 15 is the wetland.
Detailed Description
The following is a further description with reference to specific examples.
A wetland wastewater recycling system comprises a filter tank 1, a lift pump 2, a sedimentation tank 3, PP cotton filtration 4, a pressure pump 5, a precision filter 6, a delivery pump 7, an automatic softening device 8 and a workshop soft water tank 9; the components are connected in sequence through pipelines;
set up water fetching tank 13 between filtering ponds 1 and wetland 15, water fetching tank 13 bottom surface slope sets up, water fetching tank 13's bottom surface sets up the sludge pump, the exit of sludge pump sets up sludge activation pond 14, sludge activation pond 14 intercommunication wetland 15.
A water reservoir 10 is arranged between the precision filter 6 and the delivery pump 7.
Filter tank 1 sets gradually first filter screen 11 and second filter screen 12 according to the rivers direction, 11 apertures of first filter screen are 1cm, 12 apertures of second filter screen are 2 mm.
The sedimentation tank 3 is a horizontal flow type sedimentation tank, and a mud scraper is arranged in the horizontal flow type sedimentation tank.
The PP cotton filtering device 4 is characterized in that primary PP cotton filtering and secondary PP cotton filtering are sequentially arranged according to the water flow direction, the filtering precision of the primary PP cotton filtering is 5 micrometers, and the filtering precision of the secondary PP cotton filtering is 1 micrometer.
The wetland sewage treatment steps are as follows: the wetland flows to a water taking tank, the water enters a filtering tank after primary sludge sedimentation, large garbage (larger than 1 cm) is filtered by a first filter screen, and small garbage (larger than 2 mm) is filtered by a second filter screen; the wetland water enters a sedimentation tank to settle silt and other settleable impurities, the settling time is 4 hours, the supernatant enters PP cotton for filtration, the pore diameter of the PP cotton filtration micropores is in gradient distribution along the diameter direction, and impurities with the diameter larger than 1 mu m are filtered; conveying the wet ground water to a precision filter through a pressure pump, and filtering impurities larger than 0.22 mu m; the wetland water enters a reservoir and is conveyed to an automatic softening device through a conveying pump according to the water use requirement, and the automatic softening device adopts ion exchange resin to remove scale ions such as calcium, magnesium and the like in the water; and (4) treating the wetland water to reach the water use standard of the workshop, and storing the treated wetland water in a soft water tank of the workshop for later use.
And (3) conveying the sludge in the water taking tank to a sludge activation tank through a sludge pump, and activating the sludge and then returning the activated sludge to the wetland for recycling.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (1)
1. A wetland wastewater recycling system is characterized by comprising a filter tank (1), a lifting pump (2), a sedimentation tank (3), PP cotton filtration (4), a pressure pump (5), a precision filter (6), a delivery pump (7), an automatic softening device (8) and a workshop soft water tank (9); the components are connected in sequence through pipelines;
a water taking tank (13) is arranged between the filter tank (1) and the wetland (15), the bottom surface of the water taking tank (13) is obliquely arranged, a sludge pump is arranged on the bottom surface of the water taking tank (13), a sludge activation tank (14) is arranged at the outlet of the sludge pump, and the sludge activation tank (14) is communicated with the wetland (15); a water storage tank (10) is arranged between the precision filter (6) and the delivery pump (7); the filter tank (1) is sequentially provided with a first filter screen (11) and a second filter screen (12) according to the water flow direction, the aperture of the first filter screen (11) is 1cm, and the aperture of the second filter screen (12) is 2 mm; the sedimentation tank (3) is a horizontal flow sedimentation tank, and a mud scraper is arranged in the horizontal flow sedimentation tank; the PP cotton filtering device is characterized in that the PP cotton filtering device (4) is sequentially provided with a first PP cotton filtering and a second PP cotton filtering according to the water flow direction, the filtering precision of the first PP cotton filtering is 5 micrometers, and the filtering precision of the second PP cotton filtering is 1 micrometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941108.0U CN209923064U (en) | 2018-11-23 | 2018-11-23 | Wetland waste water recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941108.0U CN209923064U (en) | 2018-11-23 | 2018-11-23 | Wetland waste water recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209923064U true CN209923064U (en) | 2020-01-10 |
Family
ID=69066342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821941108.0U Expired - Fee Related CN209923064U (en) | 2018-11-23 | 2018-11-23 | Wetland waste water recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209923064U (en) |
-
2018
- 2018-11-23 CN CN201821941108.0U patent/CN209923064U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 Termination date: 20211123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |