CN108579399B - Autotroph recovery and supplement device and method for wetland air purification device - Google Patents

Autotroph recovery and supplement device and method for wetland air purification device Download PDF

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Publication number
CN108579399B
CN108579399B CN201810373918.9A CN201810373918A CN108579399B CN 108579399 B CN108579399 B CN 108579399B CN 201810373918 A CN201810373918 A CN 201810373918A CN 108579399 B CN108579399 B CN 108579399B
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air purification
sedimentation tank
autotroph
purification device
outlet
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CN108579399A (en
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周屈兰
李宗泰
赵杰行
张昇
栗智宇
葛刚强
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Xian Jiaotong University
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Xian Jiaotong University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/84Biological processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/04Combinations of filters with settling tanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/96Regeneration, reactivation or recycling of reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/95Specific microorganisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/06Polluted air
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sustainable Development (AREA)
  • Molecular Biology (AREA)
  • Activated Sludge Processes (AREA)
  • Separation Of Particles Using Liquids (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

An autotroph recovery and supplement device for a wetland air purification device comprises the wetland air purification device, a sedimentation tank, an autotroph supplement box, a pump and a suspended matter density detector; the outlet of the wetland air purification device is connected with the inlet of the sedimentation tank through a pipeline, and the outlet of the sedimentation tank is connected with the inlet of the wetland air purification device through a pipeline; the pipeline between the sedimentation tank and the inlet of the wetland air purification device is connected with an autotroph supplement tank and a suspended matter density detector; suspended matter density detectors are arranged at the bottom and the middle part of the sedimentation tank; a pump is also arranged on the pipeline between the sedimentation tank and the inlet of the wetland air purification device. According to the invention, the autotroph recovery and supplement device is arranged below the air purification device, so that the continuous update of the liquid in the air purification unit is realized, and the density of the autotrophs in the air purification unit is controlled.

Description

Autotroph recovery and supplement device and method for wetland air purification device
Technical Field
The invention belongs to the technical field of air purification, and particularly relates to an autotroph recovery and supplement device and method for a wetland air purification device.
Background
The wetland air purification device is used for being combined with a traditional central air conditioner, and realizes air purification, humidity adjustment and indoor oxygen content improvement by carrying out gas exchange through autotrophs; the wetland air purification device comprises an air purification unit, autotrophs are arranged in the air purification unit, the death or other metabolites of the autotrophs can affect the air purification effect after the device is used for a period of time, and a device capable of continuously supplying the autotrophs to the air purification unit and a method for controlling the concentration of the autotrophs are lacked.
Disclosure of Invention
The invention aims to provide a device and a method for recovering and supplementing autotrophs for a wetland air purification device, which aim to solve the problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
an autotroph recovery and supplement device for a wetland air purification device comprises the wetland air purification device, a sedimentation tank, an autotroph supplement box, a pump and a suspended matter density detector; the outlet of the wetland air purification device is connected with the inlet of the sedimentation tank through a pipeline, and the outlet of the sedimentation tank is connected with the inlet of the wetland air purification device through a pipeline; the pipeline between the sedimentation tank and the inlet of the wetland air purification device is connected with an autotroph supplement tank and a suspended matter density detector; suspended matter density detectors are arranged at the bottom and the middle part of the sedimentation tank; a pump is also arranged on the pipeline between the sedimentation tank and the inlet of the wetland air purification device.
Furthermore, the wetland air purification device comprises air purification units, the air purification units are plate-shaped, a plurality of air purification units are uniformly distributed to form a plate-shaped structure, the plate-shaped structure is arranged on the top of the house in parallel to the top wall of the house, a gap is reserved between the plate-shaped structure and the top wall of the house, and the air outlet of the central air conditioner is communicated with the gap; the air purification unit is provided with a plurality of through holes, a transparent container with an opening at the upper end is nested in the through holes, and the transparent container and the through holes form an air purification unit container; the air purification unit container is filled with a solution containing autotrophs; the transparent containers embedded in the through holes are communicated through a communication pipeline.
Further, a waste water outlet is arranged at the bottom of the sedimentation tank, a sediment outlet is arranged on the side wall of the bottom of the sedimentation tank, and the sediment outlet is connected with an impurity collecting box; a filter screen is horizontally arranged between the sediment outlet and the wastewater outlet; a precipitation separation plate is arranged above the filter screen and parallel to the filter screen; a suspended matter density detector is arranged on the side wall of the sedimentation tank between the sedimentation separation plate and the filter screen; and a plurality of suspended matter density detectors are arranged on the side wall of the sedimentation tank above the sedimentation separation plate.
Furthermore, an opening matched with the size of the precipitation separation plate is formed in the side wall of the precipitation tank at the precipitation separation plate, the precipitation separation plate is inserted into the opening, one end of the precipitation separation plate extending into the precipitation tank vertically props against the side wall of the precipitation tank, and the upper side and the lower side of the contact position of the precipitation separation plate and the side wall of the precipitation tank are both arranged on sealing strips; the sedimentation separation plate can completely separate the sedimentation tank from top to bottom.
Further, the inlet of the sedimentation tank is lower than the outlet of the sedimentation tank; the autotroph recovery and supplement device is positioned below the wetland air purification device.
Further, the height of the sedimentation tank is more than seven times of the diameter of the sedimentation tank.
Further, an operation method of the autotroph recovery and supplement device for the wetland air purification device is based on any one of the above autotroph recovery and supplement devices for the wetland air purification device, and comprises the following specific steps:
step 1, opening a precipitation separation plate, closing a precipitate outlet and a wastewater outlet, and allowing autotroph suspension liquid in the wetland air purification device to flow into a sedimentation tank from the outlet until the sedimentation tank is full of autotroph carcasses or impurities can be precipitated downwards;
step 2, observing a suspended matter density detector between the precipitation separation plate and the filter screen, closing the precipitation separation plate when the density exceeds a set value, opening a waste water outlet to enable precipitates to be remained on the filter screen, then opening a precipitate outlet, and discharging the precipitates; the discharged sediment falls into the collection tank 11;
and 3, the liquid leaves the sedimentation tank, the pump is started, the suspended matter density detector in the middle of the sedimentation tank and the suspended matter density detector on the outlet pipeline of the sedimentation tank are observed, and when the density is lower than a set value, the autotroph supplement tank is opened to supplement autotrophs into the liquid, so that circulation is completed.
Compared with the prior art, the invention has the following technical effects:
according to the invention, the autotroph recovery and supplement device is arranged below the air purification device, so that the continuous update of the liquid in the air purification unit is realized, and the density of the autotrophs in the air purification unit is controlled;
the autotroph recovery and supplement device has a simple structure, and realizes the removal of dead autotrophs and metabolites by controlling the opening and closing of the precipitation separation plate, thereby avoiding polluting the autotrophs in the air purification unit.
The suspended matter density detector provided by the invention can be used for continuously monitoring the density of autotrophs so as to supplement the autotrophs in time.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Wherein: 1. a sedimentation tank; 2. a precipitation separation plate; 3. a suspended matter density detector; 4. an autotroph supplement tank; 5. a pump; 6. an air purification unit; 7. a waste water outlet; 8. a precipitate outlet; 9. a filter screen; 10. a sealing strip; 11. impurity collecting box.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
referring to fig. 1, an autotroph recovery and supplement device for a wetland air purification device comprises a wetland air purification device, a sedimentation tank 1, an autotroph supplement tank 4, a pump 5 and a suspended matter density detector 3; the outlet of the wetland air purification device is connected with the inlet of the sedimentation tank 1 through a pipeline, and the outlet of the sedimentation tank 1 is connected with the inlet of the wetland air purification device through a pipeline; the pipeline between the sedimentation tank 1 and the inlet of the wetland air purification device is connected with an autotroph supplement tank 4 and a suspended matter density detector 3; suspended matter density detectors 3 are arranged at the bottom and the middle part of the sedimentation tank 1; a pump 5 is also arranged on the pipeline between the sedimentation tank 1 and the inlet of the wetland air purification device.
The wetland air purification device comprises air purification units 6, the air purification units 6 are plate-shaped, a plurality of air purification units 6 are uniformly distributed to form a plate-shaped structure, the plate-shaped structure is arranged on the top of a house in parallel to the top wall of the house, a gap is reserved between the plate-shaped structure and the top wall of the house, and a central air-conditioning air outlet is communicated with the gap; the air purification unit 6 is provided with a plurality of through holes, a transparent container with an opening at the upper end is nested in the through holes, and the transparent container and the through holes form an air purification unit container; the air purification unit container is filled with a solution containing autotrophs; the transparent containers embedded in the through holes are communicated through a communication pipeline.
A waste water outlet 7 is formed in the bottom of the sedimentation tank 1, a sediment outlet 8 is formed in the side wall of the bottom of the sedimentation tank 1, and the sediment outlet 8 is connected with an impurity collecting box 11; a filter screen 9 is horizontally arranged between the sediment outlet 8 and the wastewater outlet 7; a precipitation separation plate 2 is arranged above the filter screen 9 and is parallel to the filter screen 9; a suspended matter density detector 3 is arranged on the side wall of the sedimentation tank 1 between the sedimentation separation plate 2 and the filter screen 9; a plurality of suspended matter density detectors 3 are arranged on the side wall of the sedimentation tank 1 above the sedimentation separation plate 2.
An opening matched with the size of the precipitation separation plate is formed in the side wall of the precipitation tank 1 at the position of the precipitation separation plate 2, the precipitation separation plate 2 is inserted into the opening, one end extending into the precipitation tank 1 vertically props against the side wall of the precipitation tank 1, and the upper side and the lower side of the contact position of the precipitation separation plate 2 and the side wall of the precipitation tank 1 are both arranged on sealing strips 10; the sedimentation separation plate 2 can completely separate the sedimentation tank 1 from top to bottom.
The inlet of the sedimentation tank 1 is lower than the outlet of the sedimentation tank 1; the autotroph recovery and supplement device is positioned below the wetland air purification device.
The height of the sedimentation tank 1 is more than seven times of the diameter of the sedimentation tank 1.
An operation method of the autotroph recovery and supplement device for the wetland air purification device is based on any one of the autotroph recovery and supplement devices for the wetland air purification device, and comprises the following specific steps:
step 1, opening a precipitation separation plate 2, closing a precipitate outlet 8 and a wastewater outlet 7, and allowing autotroph suspension liquid in the wetland air purification device to flow into a sedimentation tank 1 from the outlets until the sedimentation tank 1 is filled with the autotroph suspension liquid, wherein corpses or impurities of autotrophs can be precipitated downwards;
step 2, observing a suspended matter density detector 3 between the precipitation separation plate 2 and the filter screen 9, closing the precipitation separation plate when the density exceeds a set value, opening the waste water outlet 7 to enable precipitates to be left on the filter screen 9, then opening the precipitate outlet 8, and discharging the precipitates; the discharged sediment falls into the collection tank 11.
And 3, the liquid leaves the sedimentation tank, a pump 5 is started, a suspended matter density detector 3 in the middle of the sedimentation tank 1 and a suspended matter density detector 3 on an outlet pipeline of the sedimentation tank are observed, and when the density is lower than a set value, an autotroph supplement box 4 is opened to supplement autotrophs into the liquid, so that circulation is completed.
The suspended matter density detector uses a visible light absorption method, green light with certain intensity is enabled to pass through liquid with certain thickness, and the intensity attenuation quantity of the green light is measured to calculate the suspended matter density.

Claims (6)

1. An autotroph recovery and supplement device for a wetland air purification device is characterized by comprising the wetland air purification device, a sedimentation tank (1), an autotroph supplement box (4), a pump (5) and a suspended matter density detector (3); the outlet of the wetland air purification device is connected with the inlet of the sedimentation tank (1) through a pipeline, and the outlet of the sedimentation tank (1) is connected with the inlet of the wetland air purification device through a pipeline; an autotroph supplement box (4) and a suspended matter density detector (3) are connected on a pipeline between the sedimentation tank (1) and the inlet of the wetland air purification device; suspended matter density detectors (3) are arranged at the bottom and the middle part of the sedimentation tank (1); a pump (5) is also arranged on the pipeline between the sedimentation tank (1) and the inlet of the wetland air purification device;
the wetland air purification device comprises air purification units (6), wherein the air purification units (6) are plate-shaped, a plurality of air purification units (6) are uniformly distributed to form a plate-shaped structure, the plate-shaped structure is arranged on the top of a house in parallel to the top wall of the house, a gap is reserved between the plate-shaped structure and the top wall of the house, and an air outlet of a central air conditioner is communicated with the gap; the air purification unit (6) is provided with a plurality of through holes, a transparent container with an opening at the upper end is nested in the through holes, and the transparent container and the through holes form an air purification unit container; the air purification unit container is filled with a solution containing autotrophs; the transparent containers embedded in the through holes are communicated through a communication pipeline.
2. The autotroph recovery and supplement device for the wetland air purification device according to claim 1, wherein the bottom of the sedimentation tank (1) is provided with a wastewater outlet (7), the side wall of the bottom of the sedimentation tank (1) is provided with a sediment outlet (8), and the sediment outlet (8) is connected with an impurity collection box (11); a filter screen (9) is horizontally arranged between the sediment outlet (8) and the wastewater outlet (7); a sedimentation separation plate (2) is arranged above the filter screen (9) and is parallel to the filter screen (9); a suspended matter density detector (3) is arranged on the side wall of the sedimentation tank (1) between the sedimentation separation plate (2) and the filter screen (9); a plurality of suspended matter density detectors (3) are arranged on the side wall of the sedimentation tank (1) above the sedimentation separation plate (2).
3. The autotroph recovery and supplement device for the wetland air purification device according to claim 1, wherein an opening matched with the size of the precipitation separation plate is formed in the side wall of the sedimentation tank (1) at the position of the precipitation separation plate (2), the precipitation separation plate (2) is inserted into the opening, one end of the precipitation separation plate extending into the sedimentation tank (1) is vertically propped against the side wall of the sedimentation tank (1), and the upper side and the lower side of the contact position of the precipitation separation plate (2) and the side wall of the sedimentation tank (1) are both arranged on the sealing strips (10); the sedimentation separation plate (2) can completely separate the sedimentation tank (1) from top to bottom.
4. The autotroph recovery and supplement device for the wetland air purification device according to claim 1, wherein the inlet of the sedimentation tank (1) is lower than the outlet of the sedimentation tank (1); the autotroph recovery and supplement device is positioned below the wetland air purification device.
5. The autotroph recovery and supplement device for the wetland air purification device according to claim 1, wherein the height of the sedimentation tank (1) is more than seven times of the diameter of the sedimentation tank (1).
6. An operation method of the autotroph recovery and supplement device for the wetland air purification device, which is based on any one of claims 1 to 5, and comprises the following specific steps:
step 1, opening a precipitation separation plate (2), closing a precipitate outlet (8) and a wastewater outlet (7), allowing autotroph suspension liquid in the wetland air purification device to flow into a precipitation tank (1) from the outlets until the precipitation tank (1) is filled, and allowing corpses or impurities of autotrophs to precipitate downwards;
step 2, observing a suspended matter density detector (3) between the precipitation separation plate (2) and the filter screen (9), closing the precipitation separation plate when the density exceeds a set value, opening a waste water outlet (7) to enable precipitates to be left on the filter screen (9), then opening a precipitate outlet (8), discharging the precipitates, and enabling the discharged precipitates to fall into a collection box (11);
and 3, the liquid leaves the sedimentation tank, a pump (5) is started, a suspended matter density detector (3) in the middle of the sedimentation tank (1) and a suspended matter density detector (3) on an outlet pipeline of the sedimentation tank are observed, and when the density is lower than a set value, an autotroph supplement box (4) is opened to supplement autotrophs into the liquid, so that circulation is completed.
CN201810373918.9A 2018-04-24 2018-04-24 Autotroph recovery and supplement device and method for wetland air purification device Active CN108579399B (en)

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CN113455302A (en) * 2020-10-19 2021-10-01 赵鑫飚 Autotroph recovery and supplement device for wetland air purification

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WO2010132107A1 (en) * 2009-05-11 2010-11-18 James Charles Juranitch Large scale energy efficient co2 sequestration and processing
CN102336498B (en) * 2011-06-28 2013-03-13 蔡志武 Nitrogen-phosphorus wastewater treating method by sequencing batch reactor coupled photobioreactor
TWM459867U (en) * 2013-03-08 2013-08-21 Far East Bio Tec Co Ltd Air purifier device
CN103316584B (en) * 2013-05-22 2015-02-25 丽水职业技术学院 Air purification device utilizing mosses
CN104651227B (en) * 2013-11-21 2016-09-07 林陈淳睦 There is the energy-conservation and microalgae carbon sequestration system of air purification function
CN104129886B (en) * 2014-07-09 2016-02-24 清华大学 A kind of membrane biological reactor process for VITAMIN pharmacy wastewater treatment

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