CN209396975U - Multistage drop aerobic ecological system - Google Patents
Multistage drop aerobic ecological system Download PDFInfo
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- CN209396975U CN209396975U CN201822149335.6U CN201822149335U CN209396975U CN 209396975 U CN209396975 U CN 209396975U CN 201822149335 U CN201822149335 U CN 201822149335U CN 209396975 U CN209396975 U CN 209396975U
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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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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model relates to sewage treatment project technical fields, more particularly, to a kind of multistage drop aerobic ecological system, to alleviate the technical issues of existing rural households' sewage does not obtain effective purified treatment.The system includes drop oxygenation purifying area；Drop oxygenation purifying area includes multiple single ponds, and the series connection of multiple list ponds is simultaneously downward along gradient；Sewage, which falls step by step along each single pond from top to bottom and contacts progress reoxygenation with air in falling process, is conducive to the degradation of water pollutant to meet the needs of water body degradation of organic substances is to dissolved oxygen, can reduce energy consumption and operating cost using this oxygenation mode.Structure is simple simultaneously, and construction investment and operating cost are low, and operation and maintenance and management are simple, can build in garden, treatment in situ household sewage.
Description
Technical field
The utility model relates to sewage treatment project technical fields, more particularly, to a kind of multistage drop aerobic ecological system
System.
Background technique
Domestic sewage in rural areas refers to that the sewage that rural area resident is formed in life process, main source are single-apartments
Organic matter and the high feature of concentration of nitrogen and phosphorus is presented in family domestic sewage, and biochemical is generally relatively good, but due to sanitary sewage amount
Less, dispersion, far from blowdown pipe network, it is unprocessed just flow directly into the street, farmland or directly permeated the ground by seepage well, it will make
At water pollution.In addition, sewage accumulates cesspool easy to form, mosquito is bred, pollutes rural environment and villager's food safety.Especially
It is the rural area positioned at Potable Water Conservation area periphery, if can not system collect and processing sanitary sewage, cause drinking water source
Protection zone is contaminated, then the safe drinking water of city dweller also will be unable to ensure.
Utility model content
The purpose of this utility model is to provide a kind of multistage drop aerobic ecological systems, to alleviate existing rural households
Sewage does not obtain the technical issues of effective purified treatment.
In order to solve the above technical problems, technical solution provided by the utility model is:
A kind of multistage drop aerobic ecological system, including drop oxygenation purifying area；
The drop oxygenation purifying area includes multiple single ponds, and multiple single pond series connection are simultaneously downward along gradient；
Sewage, which falls step by step and contacts in falling process with air along each single pond from top to bottom, carries out reoxygenation.
Further,
Be equipped with partition in the list pond, the partition by the inner cavity Dan Chi be divided into the first chamber close to sewage upstream with
The second chamber close to sewage downstream, and have between the partition and single bottom of pond portion for first chamber and described to be connected
The gap of second chamber.
Further,
The list pond has the influent side close to sewage upstream and the water outlet side close to sewage downstream；
The influent side is oppositely arranged with the water outlet side, and the influent side is higher than the water outlet side.
Further,
The multistage drop aerobic ecological system further includes the sedimentation basin positioned at the drop oxygenation purifying area upstream, institute
It states and is equipped with the first water inlet pipe between sedimentation basin and the drop oxygenation purifying area；
One end of the separate sedimentation basin of first water inlet pipe and the highest list Chi Liantong in position.
Further,
The multistage drop aerobic ecological system further includes the ecological wetland positioned at the drop oxygenation purifying area downstream
Bed, the ecological wetland bed are used to filter by the sewage of the drop oxygenation purifying area discharge.
Further,
The multistage drop aerobic ecological system further includes overflow wall, and the overflow wall has along the direction for being directed toward bottom
The arc guide face tilted down, the guide face side are connect with the drop oxygenation purifying area, the other side and the ecology
Wetland bed connection；The guide face is used to that the ecological wetland bed will to be guided to from the water of the drop oxygenation purifying area discharge
It is interior.
Further,
The side far from the overflow wall of the ecological wetland bed is equipped with perforated wall, and the perforated wall, which is equipped with, to catchment
Hole, the gully-hole are used for the water being discharged in the ecological wetland bed.
Further,
The height of the perforated wall is greater than the height of the overflow wall.
Further,
The multistage drop aerobic ecological system further includes the oxidation pond positioned at ecological wetland bed downstream, the oxygen
Change the pool to be used to store the water being discharged by the ecological wetland bed.
Further,
The multistage drop aerobic ecological system further includes return pipe, and described return pipe one end and the oxidation pond connect
Logical, the other end is connected to the sedimentation basin.
In conjunction with above technical scheme, the beneficial effect that the utility model reaches is:
Multiple list ponds connect in the horizontal direction and form gradient, and sewage is overflowed from the i.e. highest single pond of first gradient is located at,
It drops in single pond of the second gradient, and is successively dropped in single pond of each gradient by gravity.Falling
During falling, the contact area of sewage and air increases, so that more oxygen are able to enter in sewage in air, realizes sewage
Reoxygenation be conducive to the degradation of water pollutant to meet the needs of water body degradation of organic substances is to dissolved oxygen, using this oxygenation
Mode can reduce energy consumption and operating cost.Structure is simple simultaneously, and construction investment and operating cost are low, operation and maintenance and management letter
It is single, it can be built in garden, treatment in situ household sewage.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the main view of multistage drop aerobic ecological system provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram in single pond in multistage drop aerobic ecological system provided by the embodiment of the utility model；
Fig. 3 is the top view of multistage drop aerobic ecological system provided by the embodiment of the utility model.
Icon: 100- drop oxygenation purifying area；200- sedimentation basin；300- ecological wetland bed；400- overflow wall；500- perforation
Wall；600- Backwash pipeline system；700- oxidation pond；800- return pipe；900- water pump；The mono- pond 110-；111- partition；112-
One chamber；The second chamber of 113-；The gap 114-；115- influent side；116- water outlet side；The first water inlet pipe of 210-；The second water inlet pipe of 220-；
The first packing layer of 310-；The second packing layer of 320-；510- gully-hole；610- main pipeline；620- subtube.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment 1 is described in detail with reference to the accompanying drawing.
Embodiment 1
A kind of multistage drop aerobic ecological system is present embodiments provided, please with reference to Fig. 1 to Fig. 3.
Multistage drop aerobic ecological system includes drop oxygenation purifying area 100；The oxygenation purifying area 100 that drops includes multiple lists
Pond 110, the series connection of multiple list ponds 110 are simultaneously downward (specifically referring to Figure 1) along gradient；Sewage from top to bottom along each single pond 110 by
Grade, which is fallen and contacted in falling process with air, carries out reoxygenation.
Multiple list ponds 110 connect in the horizontal direction and form gradient, and sewage is located at the i.e. highest single pond 110 of first gradient certainly
It overflows, is dropped in single pond 110 of the second gradient by gravity, and successively drop to positioned at single pond of each gradient
In 110.In falling process, the contact area of sewage and air increases, so that more oxygen are able to enter sewage in air
It is interior, it realizes the reoxygenation of sewage, to meet the needs of water body degradation of organic substances is to dissolved oxygen, is conducive to the degradation of water pollutant,
Energy consumption and operating cost can be reduced using this oxygenation mode.Structure is simple simultaneously, and construction investment and operating cost are low, operation dimension
Shield and management are simple, can build in garden, treatment in situ household sewage.
In order to reinforce the flow strength of sewage in single pond 110, prevents the sewage of bottom in single pond 110 from can not overflow and falls,
Partition 111 is equipped in single pond 110, single 110 inner cavity of pond is divided into the first chamber 112 of close sewage upstream and leaned on by partition 111
Second chamber 113 in nearly sewage downstream, and have between 110 bottom of partition 111 and single pond for the first chamber 112 and the second chamber to be connected
113 gap 114 (specifically referring to Fig. 2).First chamber 112 is located at the bottom of 110 water outlet higher level Dan Chi, the second 113, chamber
In the top of 110 water inlet end of junior Dan Chi.First chamber 112 is initially entered by the sewage that higher level Dan Chi 110 falls, due to the first chamber
It is to be connected to by the gap 114 of bottom, therefore the sewage in the first chamber 112 is under the effect of gravity between 112 and the second chamber 113
The second chamber 113 can be entered by gap 114, and the water inlet of the first chamber 112 and water outlet are opposite two sides, can be realized the first chamber
The flowing of sewage in 112 avoids the sewage in the first chamber 112 from becoming stagnant water.The flowing of sewage and the first chamber in second chamber 113
The flow direction of sewage is on the contrary, specially the second chamber 113 is intake by bottom, with being continuously increased for rate of water added, the second chamber in 112
Water in 113 is after full of the second chamber 113 through overflowing at the top of the second chamber 113.
Meanwhile sewage is overflowed through the upstream in single pond 110 in order to prevent, sets in single pond 110 to along the direction for being directed toward downstream
The structure (specifically referring to Fig. 2) that height gradually decreases, specifically, single pond 110 has the influent side 115 close to sewage upstream
With the water outlet side 116 close to sewage downstream；Influent side 115 is oppositely arranged with water outlet side 116, and influent side 115 is higher than water outlet side
116.After sewage in single pond 110 is full of single pond 110, since the height of water outlet side 116 is lower than the height of influent side 115,
Sewage reaches the top surface of water outlet side 116 first, then overflows.And the side in single pond 110 is then not construed as limiting, side can be set to
The structure that the direction height in downstream gradually decreases is directed toward on edge as shown in Figure 2, may be set to be equal with 115 height of influent side
Structure, may be arranged as the height between 116 height of influent side 115 and water outlet side.
In addition, in order to enhance the clean-up effect in single pond 110, kind floating plant, floating plant are implanted in each single pond 110
With strong dirt-removing power, sewage can further be purified, due to being exposed to nature for a long time after sewage can also being inhibited to collect
Under the conditions of mosquito growth, improve environment.
In addition to this, 110 bottom of each single pond is equipped with pillar, and each pillar all has different differences in height, so that respectively
A list pond 110 is located at different height to realize that sewage falls reoxygenation.Pillar can be set to solid construction to improve branch
Mural painting or other jewelrys can also be arranged for beauty outside pillar by supportting soundness.Pillar may be arranged as hollow knot
Structure, using glass material, the animals such as internal feeding fish, tortoise, to improve the aesthetic measure of drop oxygenation purifying area 100.
In view of in domestic water there are more impurity or sediment, in order to remove the biggish impurity of the quality in sewage or
Sediment is provided with sedimentation basin 200 in drop 100 upstream of oxygenation purifying area, sewage through collector pipe network, by with household drain Guan Lian
The second logical water inlet pipe 220 is discharged into sedimentation basin 200 first and stands so that large granular impurity or precipitate, sewage is through precipitating
After 200 preliminary purification of pond removes large granular impurity, by the first water inlet pipe of connection sedimentation basin 200 and drop oxygenation purifying area 100
210 are delivered in single pond 110 of drop oxygenation purifying area 100 and are fallen and natural reaeration, it should be noted that the first water inlet
One end of the separate sedimentation basin 200 of pipe 210 is connected to the highest single pond 110 in position, to guarantee that sewage is able to carry out most numbers
Fall with abundant reoxygenation.In addition, since there are biggish difference in height, precipitatings between drop oxygenation purifying area 100 and sedimentation basin 200
Sewage in pond 200 is difficult to enter drop oxygenation purifying area 100 by gravity, therefore, water pump is equipped on the first water inlet pipe 210
900, the water in sedimentation basin 200 can be delivered to drop oxygenation purifying area 100 by water pump 900.
In the optinal plan of the present embodiment, more preferably,
Multistage drop aerobic ecological system further includes the ecological wetland bed 300 positioned at drop 100 downstream of oxygenation purifying area, raw
State wetland bed 300 is for filtering the sewage being discharged by drop oxygenation purifying area 100.Specifically, ecological wetland bed 300 is set as
Brick mix structure, inside form packing area, and packing area includes the first packing layer 310 and the second packing layer being from top to bottom sequentially distributed
320；It is filled with soil matrix in first packing layer 310, for planting ornamental plant or gourd, fruit and vegetable；In second packing layer 320
It is equipped with one of gravel, cobble and yellow ground or a variety of, and the sequence being gradually increased according to partial size is successively laid with from the bottom to top.
Since multistage drop aerobic ecological system is set in garden, ecological wetland bed 300 is configured to the form of planting plants,
Sewage can not only be purified, plant can also be nourished using the substance contained in sewage as fertilizer, be conducive to make full use of space
And water resource.
In order to make to drop, the water in oxygenation purifying area 100 smoothly flows into ecological wetland bed 300, in drop oxygenation purifying area
Overflow wall 400 is equipped between 100 and ecological wetland bed 300, overflow wall 400 is used to the sewage after the reoxygenation that drops being guided to ecology
Wetland bed 300, while avoiding sewage aggregation obstruction flow path.Specifically, overflow wall 400 has the direction along direction bottom downward
Inclined arc or inclined guide face, guide face side are connect with drop oxygenation purifying area 100, the other side and ecological wetland bed
300 connections；Guide face is used to for the water being discharged from drop oxygenation purifying area 100 being guided in ecological wetland bed 300.Guide face two
Side is equipped with enclosure wall, for stopping sewage to be flowed out by side.
The first packing layer 310 and second is penetrated into from top to bottom by the sewage that overflow wall 400 is guided to ecological wetland bed 300 to fill out
The bed of material 320, due to being equipped with soil matrix in the first packing layer 310, soil matrix can follow dirt during sewage penetrates into
Water sport accumulation, is easy to block.Therefore Backwash pipeline system is provided between the first packing layer 310 and the second packing layer 320
System 600, Backwash pipeline system 600 is connected to water purification pipeline, can penetrate into the first packing layer 310 from the bottom to top, will be due to soil
Earth matrix build-up and the part blocked is washed open, and then avoid blocking.Specifically, Backwash pipeline system 600 includes main pipeline
610 and multiple subtubes 620；Multiple subtubes 620 are connected to main pipeline 610, and along the length direction interval of main pipeline 610
It is arranged (specifically referring to Fig. 3)；Main pipeline 610 is connected to water purification pipeline, and across ecological wetland bed 300, and perpendicular to sewage
The flow direction of ecological wetland bed 300 is flowed by overflow wall 400；Subtube 620 perpendicular to main pipeline 610 length direction, and
It is parallel to the flow direction that sewage is flowed into ecological wetland bed 300 by overflow wall 400.Water purification flows to each point by main pipeline 610
Then pipeline 620 enters the first packing layer 310 from bottom to top.It is more equal in order to permeate the water flow of Backwash pipeline system 600
It is even, main pipeline 610 is set to the position of center line of ecological wetland bed 300, meanwhile, it is respectively provided with and is in charge of in 610 two sides of main pipeline
Road 620, water purification can be respectively enterd ecological wetland bed 300 by two sides.Main pipeline 610 is equipped with valve, and valve is for controlling master
The on-off of pipeline 610.
In order to make sewage and water purification be fully infiltrated into ecological wetland bed 300, need to slow down water flow outflow ecological wetland bed 300
Therefore flow is equipped with perforated wall 500 in the side of the separate overflow wall 400 of ecological wetland bed 300, perforated wall 500 can stop
Water flow so that water flow can in ecological wetland bed 300 stay longer, and then water flow can be fully infiltrated into the first packing layer
In 310.Since perforated wall 500 is located at the downstream of ecological wetland bed 300, soil matrix and water flow easily accumulate in downstream, therefore, will
The height of perforated wall 500 is set greater than the structure type of the height of overflow wall 400, plays and water flow and soil matrix is stopped to be overflowed
Purpose.Meanwhile perforated wall 500 is equipped with gully-hole 510, gully-hole 510 is used for the water being discharged in ecological wetland bed 300.It can
Multiple gully-holes 510 to be arranged on perforated wall 500, meanwhile, gully-hole 510 is set to 500 bottom of perforated wall, is preferably located at
600 bottom of Backwash pipeline system.So set, the sewage and water purification in ecological wetland bed 300 are both needed to flow to bottom and could arrange
Out, the effect that sewage penetrates into the first packing layer 310 is strengthened.Gully-hole 510 can be, but not limited to be set as round, ellipse or
Rectangle.
In the optinal plan of the present embodiment, more preferably,
Multistage drop aerobic ecological system further includes the oxidation pond 700 positioned at 300 downstream of ecological wetland bed, oxidation pond 700
For storing the water being discharged by ecological wetland bed 300.Water in ecological wetland bed 300 enters oxidation pond 700 through gully-hole 510,
And be stored in oxidation pond 700, be equipped with return pipe 800 in oxidation pond 700, one end of separate the oxidation pond 700 of return pipe 800 and
Sedimentation basin 200 is connected to, be not enough to maintain the moisture of whole system when the sanitary sewage being discharged by the second water inlet pipe 220 in use,
It is stored in the water in oxidation pond 700 and progress moisture supply in sedimentation basin 200 is entered by return pipe 800, to maintain the normal of system
Operating.Valve can also be set on return pipe 800, for controlling the on-off of return pipe 800, while being equipped with peace in sedimentation basin 200
The water level in sedimentation basin 200 is incuded loaded on the water level sensor at specified water level, when the water level in sedimentation basin 200 is lower than specified
When water level, valve opening, the water in oxidation pond 700 enters sedimentation basin 200 by return pipe 800.In addition, can be in oxidation pond 700
Plantation ornamental plant is breeded fish, the animals such as tortoise.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of multistage drop aerobic ecological system, which is characterized in that including the oxygenation purifying area that drops；
The drop oxygenation purifying area includes multiple single ponds, and multiple single pond series connection are simultaneously downward along gradient；
Sewage, which falls step by step and contacts in falling process with air along each single pond from top to bottom, carries out reoxygenation.
2. multistage drop aerobic ecological system according to claim 1, which is characterized in that it is equipped with partition in the list pond,
The inner cavity Dan Chi is divided into the first chamber close to sewage upstream and the second chamber close to sewage downstream by the partition, and described
There is the gap for first chamber and second chamber to be connected between partition and single bottom of pond portion.
3. multistage drop aerobic ecological system according to claim 1, which is characterized in that the list pond has close to sewage
The water outlet side of the influent side of upstream and close sewage downstream；
The influent side is oppositely arranged with the water outlet side, and the influent side is higher than the water outlet side.
4. multistage drop aerobic ecological system according to claim 1, which is characterized in that further include being located at the drop to increase
The sedimentation basin of oxygen purifying area upstream is equipped with the first water inlet pipe between the sedimentation basin and the drop oxygenation purifying area；
One end of the separate sedimentation basin of first water inlet pipe and the highest list Chi Liantong in position.
5. multistage drop aerobic ecological system according to claim 4, which is characterized in that further include being located at the drop to increase
The ecological wetland bed in oxygen purifying area downstream, the ecological wetland bed are used to filter by the dirt of the drop oxygenation purifying area discharge
Water.
6. multistage drop aerobic ecological system according to claim 5, which is characterized in that it further include overflow wall, it is described to overflow
Stream wall has the arc guide face tilted down along the direction for being directed toward bottom, and the guide face side and the drop oxygenation purify
Area's connection, the other side is connect with the ecological wetland bed；The guide face is used to drop what oxygenation purifying area was discharged from described
Water is guided in the ecological wetland bed.
7. multistage drop aerobic ecological system according to claim 6, which is characterized in that the ecological wetland bed it is separate
The side of the overflow wall is equipped with perforated wall, and the perforated wall is equipped with gully-hole, and the gully-hole is for being discharged the ecology
Water in wetland bed.
8. multistage drop aerobic ecological system according to claim 7, which is characterized in that the height of the perforated wall is greater than
The height of the overflow wall.
9. multistage drop aerobic ecological system according to claim 5, which is characterized in that further include wet positioned at the ecology
The oxidation pond in groundbed downstream, the oxidation pond are used to store the water being discharged by the ecological wetland bed.
10. multistage drop aerobic ecological system according to claim 9, which is characterized in that it further include return pipe, described time
Flow tube one end is connected to the oxidation pond, and the other end is connected to the sedimentation basin.
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| CN201822149335.6U CN209396975U (en) | 2018-12-20 | 2018-12-20 | Multistage drop aerobic ecological system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689582A (en) * | 2020-07-07 | 2020-09-22 | 西北农林科技大学 | Composite artificial wetland system with surface subsurface flow circulating operation by drop aeration |
| CN112227454A (en) * | 2020-08-29 | 2021-01-15 | 大昌建设集团有限公司 | Vertical greening building with high rainwater utilization rate |
| CN115849498A (en) * | 2023-01-30 | 2023-03-28 | 中科鼎实环境工程有限公司 | Rural sewage modularization treatment facility |
-
2018
- 2018-12-20 CN CN201822149335.6U patent/CN209396975U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689582A (en) * | 2020-07-07 | 2020-09-22 | 西北农林科技大学 | Composite artificial wetland system with surface subsurface flow circulating operation by drop aeration |
| CN111689582B (en) * | 2020-07-07 | 2022-04-19 | 西北农林科技大学 | Composite artificial wetland system with surface subsurface flow circulating operation by drop aeration |
| CN112227454A (en) * | 2020-08-29 | 2021-01-15 | 大昌建设集团有限公司 | Vertical greening building with high rainwater utilization rate |
| CN115849498A (en) * | 2023-01-30 | 2023-03-28 | 中科鼎实环境工程有限公司 | Rural sewage modularization treatment facility |
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Effective date of registration: 20200420 Address after: 100027, Beijing, Chaoyang District, East Third Ring Road, No. 2, No. 27, Tianyuan port, block B Patentee after: CITIC CONSTRUCTION Co.,Ltd. Address before: 102200 Beiqijia Town, Changping District, Beijing, Changping District, Beiqijia Town, South District of Science City, the East Road, the East Road, the central grain nutrition and Health Research Institute R & D building five layer 516 Patentee before: BEAUTIFUL LAND (BEIJING) ECOLOGICAL ENVIRONMENT ENGINEERING TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |