CN111268786A - Air discharge device and self-maintenance-easy contaminated water purification device with improved efficiency of microbubbles - Google Patents
Air discharge device and self-maintenance-easy contaminated water purification device with improved efficiency of microbubbles Download PDFInfo
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- CN111268786A CN111268786A CN201811471140.1A CN201811471140A CN111268786A CN 111268786 A CN111268786 A CN 111268786A CN 201811471140 A CN201811471140 A CN 201811471140A CN 111268786 A CN111268786 A CN 111268786A
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- dissolved water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 258
- 238000000746 purification Methods 0.000 title claims abstract description 68
- 238000003860 storage Methods 0.000 claims abstract description 77
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000007599 discharging Methods 0.000 claims abstract description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 21
- 239000001301 oxygen Substances 0.000 claims description 21
- 229910052760 oxygen Inorganic materials 0.000 claims description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 16
- 239000010703 silicon Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 238000005524 ceramic coating Methods 0.000 claims description 5
- 239000011247 coating layer Substances 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 238000000265 homogenisation Methods 0.000 claims description 2
- 230000001954 sterilising effect Effects 0.000 abstract description 11
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 description 23
- 230000008878 coupling Effects 0.000 description 18
- 238000010168 coupling process Methods 0.000 description 18
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
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Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/2366—Parts; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
- B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
- B01F23/237613—Ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention relates to a self-maintenance-easy contaminated water purification apparatus in which the efficiency of an air discharge device and microbubbles is improved, and more particularly, to a self-maintenance-easy contaminated water purification apparatus in which the efficiency of an air discharge device and microbubbles is improved, which solves the problem of the blockage of the flow pipe of the polluted water purification device provided with a micro bubble generator for sterilization for purifying the polluted water by using ozone, the container removes scale accumulated in the interior of the dissolved water storage tank by discharging residual air from the dissolved water storage tank of the contaminated water purification apparatus, the micro-bubble generated in the dissolved water purifying tank is guided to rotate and discharged, so that the efficiency of the micro-bubble is greatly improved, and the whole polluted water purifying device is easily disassembled and assembled, thereby enabling a user to self-maintain the air discharge means of the contaminated water purification apparatus and the contaminated water purification apparatus which is easy to self-maintain and in which the efficiency of micro bubbles is improved without the help of skilled workers.
Description
Technical Field
The present invention relates to a self-maintenance-easy contaminated water purification apparatus in which the efficiency of an air discharge device and microbubbles is improved, and more particularly, to a self-maintenance-easy contaminated water purification apparatus in which the efficiency of an air discharge device and microbubbles is improved, which solves the problem of the blockage of the flow pipe of the polluted water purification device provided with a micro bubble generator for sterilization for purifying the polluted water by using ozone, the container removes scale accumulated in the interior of the dissolved water storage tank by discharging residual air from the dissolved water storage tank of the contaminated water purification apparatus, the micro-bubble generated in the dissolved water purifying tank is guided to rotate and discharged, so that the efficiency of the micro-bubble is greatly improved, and the whole polluted water purifying device is easily disassembled and assembled, thereby enabling a user to self-maintain the air discharge means of the contaminated water purification apparatus and the contaminated water purification apparatus which is easy to self-maintain and in which the efficiency of micro bubbles is improved without the help of skilled workers.
Background
In general, polluted water in rivers and reservoirs contaminated by abnormal propagation of green algae, polluted water in industrial waste water, domestic water, personal sewers, water purification plants, underground water, industrial water, and the like, contains various organic substances that are difficult to decompose and may adversely affect the ecological environment, and such polluted water poses a great social problem.
The pollution source generated by the inclusion of the organic substances difficult to decompose in water includes various overnight process-discharged wastewater, municipal sewage, personal domestic sewage, industrial water, abnormal propagation of purification facilities or green algae, and the like.
A general treatment method of contaminated water such as wastewater and sewage containing the above-mentioned hardly decomposable organic matter is to treat the contaminated water by installing a contaminated water purification apparatus, and since the treatment cannot be performed, a technique of separating the hardly decomposable organic matter from the water to be treated containing the above-mentioned hardly decomposable organic matter by a technique such as coagulation sedimentation, a filtration apparatus, or membrane separation, and oxidizing and decomposing the water-soluble hardly decomposable organic matter with hydrogen peroxide or ordinary ozone and oxygen is employed.
The above-mentioned polluted water purification apparatus using ozone and oxygen obtains raw water for purifying polluted water, mixes oxygen and ozone in the obtained raw water to be dissolved in the raw water, stores the dissolved water in which oxygen and ozone are dissolved in a storage tank and discharges the dissolved water to the polluted water through an internal discharge pipe, mixes the dissolved water with the polluted water, and completes the polluted water purification through the functions of oxygen and ozone.
However, in the conventional polluted water purification apparatus using ozone and oxygen, since the flow pipe through which the obtained raw water flows so that ozone and oxygen are dissolved in the raw water in the form of microbubbles and stored in the dissolved water storage tank is formed of a substantially straight flow pipe, if one or two of the flow pipes are clogged, a user cannot solve the problem by himself/herself, and it is necessary to find a skilled worker to inspect the entire flow pipe and perform works such as decomposition, inspection, cleaning, maintenance, and assembly, which requires excessive input in terms of time, cost, effort, and the like, and even if the operation of the water pump is abnormal, a considerably skilled maintenance labor is required for replacement.
Further, in the structure of the dissolved water storage tank of the related art for storing the dissolved water in which ozone and oxygen are dissolved, it is necessary to provide an upper bypass pipe for circulating the dissolved water in the dissolved water storage tank so as to recycle the undissolved ozone and oxygen that are not dissolved in the raw water among the ozone and oxygen dissolved in the dissolved water, and therefore, the structure of the dissolved water storage tank is somewhat complicated.
In the conventional contaminated water purification apparatus using ozone and oxygen having the above-described configuration, when the ozone and oxygen are dissolved in the raw water in the form of microbubbles and stored in the dissolved water storage tank, the air discharge device is generally installed in the apparatus to discharge the residual air accumulated in the upper layer of the dissolved water storage tank to the outside.
In the above-described conventional air discharging device, in the course of repetition of residual air accumulated in the upper layer of the dissolved water storage tank when purified contaminated water is discharged to the outside, scale as a film-like impurity attached to the metal surface is accumulated in the housing space inside the housing, and the operation of the air discharging device is frequently stopped due to the scale, and thus the air discharging device needs to be disassembled for cleaning. Thereby requiring additional working time and causing economic damage.
Further, the air discharging device of the prior art is configured in an integrated structure at the upper part of the dissolved water storage tank, so that it is difficult to separate the dissolved water storage tank for cleaning, and the buoyancy cannot be adjusted only by the buoyancy set at the time of the initial design.
In particular, when the oxygen and ozone mixed in the dissolved water flowing into the dissolved water storage tank are not completely mixed and stored and discharged through the discharge pipe, the dissolved amount of ozone and oxygen in the dissolved water is not constant, which causes a problem of a decrease in the function of the dissolved water.
In order to solve the above-mentioned problems, the self-maintenance-facilitating contaminated water purification apparatus of patent registration No. 10-1809373 (registration date: 2017, 12/08) previously registered by the present inventors is a self-maintenance-facilitating contaminated water purification apparatus including a drive pump, a sterilizing ozone generator for purifying contaminated water by ozone, and a dissolved water storage tank for storing dissolved water in which ozone is dissolved, wherein the self-maintenance-facilitating contaminated water purification apparatus a includes: driving the pump 10; a first flow tube 20 which is provided with a joint connection structure divided into at least one or more joints and which is configured to allow external raw water to flow in and be supplied to the drive pump 10 by the operation of the drive pump 10, wherein the joint connection structure includes a gate valve 21, a back pressure prevention check valve 22, and a first bending connection tube 23, each of which is formed at a connector at both ends; a second flow tube 30 which is provided with a joint connection structure for supplying the raw water flowing through the first flow tube 20 to a mixer 50 and is divided into at least one or more joints, wherein the joint connection structure comprises a quantitative control valve 31 and a second bent connection tube 32, the quantitative control valve 31 is respectively formed at the connectors at the two ends, and the second bent connection tube is connected with the quantitative control valve 31 and is bent and connected with the mixer 50; an ozone generator 40 generating ozone and supplying the generated ozone to the mixer 50 through a connection; a mixer 50 for mixing the raw water flowing through the second flow tube 30 and the ozone generated by the ozone generator 40 to dissolve the ozone in the raw water; a third flow pipe 60 having one end connected to the mixer 50 and the other end connected to a dissolved water storage tank 70 to supply the dissolved water supplied from the mixer 50 to the dissolved water storage tank 70, and including a joint structure divided into at least one or more joints, the joint structure including connectors formed at both ends and being a horizontal connection pipe connected to the mixer 50; a dissolved water storage tank 70 including an inflow pipe 71 formed at a middle portion thereof, extended to be connected to the third flow pipe 60, and bent upward at an inner portion thereof, an automatic exhaust port 72 formed at an upper portion thereof and an outer portion thereof to exhaust residual air accumulated at an upper layer thereof to the outside, an exhaust pipe 73 provided at a lower portion thereof to communicate with the outside to exhaust the stored dissolved water to the outside, and a plurality of partition walls 74 formed at a downward slope to maximally dissolve ozone therein to exhibit a function as a pressurized storage tank to maintain a stable balance of the dissolved ozone, for storing the dissolved water supplied from the mixer 50; and a discharge device 80 connected to the discharge pipe 73 of the dissolved water storage tank 70 to discharge and supply the discharged dissolved water to the contaminated water storage tank.
However, although the above-described contaminated water purification apparatus is advantageous in terms of management such as maintenance of the contaminated water purification apparatus because the contaminated water purification apparatus can be easily disassembled and assembled, there are still problems caused by residual air inside the dissolved water storage tank, scale generated inside the dissolved water storage tank, and a decrease in efficiency due to a decrease in the mixing of oxygen and ozone.
Prior art documents
Patent document
(patent document 0001) published patent publication No. 10-2009-0078891 (published: 2009-07-21 st) "apparatus for producing dissolved Water"
(patent document 0002) registration patent publication No. 10-1528712 (registration date: 2015, 06, 08 th) "oxygen-and ozone-containing microbubble generator for sterilization"
(patent document 0003) registered patent publication No. 10-1394385 (registration date: 2014 05/07) "Water quality improving apparatus and Water quality improving method Using the same"
(patent document 0004) registered patent publication No. 10-1810362 (registration date: 12.12.2017) "Water treatment apparatus without Filter utilizing bubble size"
(patent document 0005) registered patent publication No. 10-1806366 (registration date: 12/01/2017) "air cleaning device using plant cultivation"
(patent document 0006) registration patent publication No. 10-1633235 (registration date: 2016, 06, 17)' microbubble generator "
(patent document 0007) registered patent publication No. 10-1656292 (registration date: 2016, 09, 05)' method and apparatus for cleaning sprout vegetables with ultrafine air droplets "
Disclosure of Invention
Problems to be solved
The present invention has been made in view of the above problems, and it is an object of the present invention to provide a contaminated water purification apparatus with improved efficiency of an air discharge device and micro bubbles, which is easily self-maintained, in which a flow pipe connected to the front and rear of a driving pump to guide raw water supplied to be stored in a dissolved water storage tank is constructed by a multi-joint coupling in a contaminated water purification apparatus having a micro bubble generator for sterilization for purifying contaminated water by ozone, so that a user can complete inspection, maintenance and replacement work at the joint portion of each component on site when operation abnormality occurs at each joint portion, and maintenance work such as clogging of a flow pipe is rapidly completed, thereby substantially improving efficiency of the contaminated water purification apparatus.
Another object of the present invention is to provide a self-maintenance-easy contaminated water purification apparatus having improved efficiency of an air discharge device and microbubbles, which is capable of easily removing scale accumulated in a dissolved water storage tank by discharging residual air in the dissolved water storage tank to the outside through the air discharge device connected to the dissolved water storage tank, is easily maintained by adopting an assembled structure, and is capable of discharging residual air according to various buoyancy.
It is still another object of the present invention to provide a self-maintenance-easy contaminated water purification apparatus in which efficiency of an air discharge device and microbubbles is improved, which guides microbubbles generated inside a dissolved water purification tank to be discharged by rotation in a process of flowing into and discharging from the purification tank, ensures complete mixing of oxygen and ozone mixed in the dissolved water, greatly improves sterilization effect and pollution removal effect by improving a function of the dissolved water, and is configured in a form of easy decomposition and assembly, thereby allowing a user to self-maintain the contaminated water purification apparatus without help of skilled workers.
Means for solving the problems
To achieve the above object, there is provided a contaminated water purification apparatus which is easily self-maintained and has an improved efficiency of an air discharge device and microbubbles, comprising a first flow pipe 2 connected to an inflow port of a driving pump 1 for inflow of raw water, a first bending connection pipe 23 formed by connecting one or more articulated sections of a connection gate valve 21 and a back pressure prevention check valve 22 to control supply of raw water, a mixer 5 connected to an exhaust port of the driving pump 1 to supply raw water to an ozone generator 4 to dissolve ozone in the raw water, a second flow pipe 3 connected to the mixer 5 at one end and connected to a dissolved water storage tank 7 at the other end to supply the dissolved water supplied from the mixer 5 to the dissolved water storage tank 7 through a second bending connection pipe 32 formed by connecting one or more articulated sections of a quantitative control valve 31, a contaminated water purification apparatus comprising a third flow pipe 6 constituted by at least one articulated joint, an air discharge device 80 connected to the third flow pipe 6 and discharging residual air at the upper part thereof, a dissolved water storage tank 7 connected to a discharge pipe 71 at the lower part thereof, and a discharge pipe 71 connected to the dissolved water storage tank 7 to discharge the discharged dissolved water to the contaminated water storage tank, wherein the contaminated water purification apparatus is provided with a discharge device 73 capable of adjusting the size of the sprayed microbubbles by rotating the discharge device in the left and right direction by adjusting the diameter of the microbubbles, characterized in that:
the dissolved water storage tank 7 has a cylindrical hollow body form, and includes:
a housing 75 having a flange 751 on the edge thereof in a state where the housing 752 and the upper portion thereof are open;
an upper inflow pipe 74 and a lower discharge pipe 71 connected to the inside of the casing 75;
a screw 72 rotatably provided in the inside of the housing 75 to prevent loss of microbubbles and stabilize homogenization of microbubbles and a balance between dissolved states of dissolved oxygen and ozone while moving the dissolved water downward;
a cap 76 assembled to the flange 751 to seal the housing portion 752;
the air discharge device 80 is detachably assembled to the central portion of the cap 76, and allows the residual air generated in the housing portion 752 to flow in and be discharged.
The screw 42 further includes a pair of guide plates 725 having a plurality of protrusions 723 at the edges thereof and holes 724 at the inner sides thereof, and the guide plates 725 provided at the upper and lower portions of the screw 42 prevent rattling during rotation of the screw.
Further, a ceramic coating layer 753 is coated on the inner surface of the casing 75 of the dissolved water storage tank 7, and the ceramic coating layer 753 prevents the deposition of scale.
The rotary shaft 721 of the screw 42 is physically connected to a motor 722 provided at a lower portion to rotate the screw 42.
The air outlet device 80 includes: a lid 81 provided above the dissolved water storage tank 7 of the contaminated water purification apparatus, having a space for containing air remaining in the ozone-dissolved water therein, and including a lower lid 81a and an upper lid 81b which are separable vertically;
an air discharge portion 85 which is provided to penetrate the upper inside and outside of the upper cover 81b, and which has a side hole 852 on the inside of the upper cover 81b and a discharge hole 851 on the outside of the upper cover 81b to discharge residual air inside the upper cover 81b to the outside;
a soft silicon tube 83 provided at the center of the inside of the air discharge portion 85 and having a central air hole 831 through which residual air passes;
a fixing bracket 84 closely attached to the inside of the air discharge part 85 so that the silicon tube 83 is fixed to the center of the inside of the air discharge part 85;
an air opening/closing pin 86 coupled to the center of the lower side of the air discharge part 85 to close the air hole 831 of the silicon tube 83 to control the discharge flow of the residual air;
a vacuum ball 87 which is provided inside the upper cover 81b, is coupled to the air opening/closing pin 86, and controls the vertical movement of the air opening/closing pin 86 according to the air pressure inside the upper cover 81 b; and an air pipe 88 provided inside the upper cover 81b, formed in a circular pipe shape to be provided along the inner circumferential surface of the upper cover 81b, and formed with injection holes 881 perforated in a downward direction at a certain interval to inject micro-bubbles.
Effects of the invention
The invention relates to a polluted water purifying device which is easy to maintain by itself and has improved efficiency of air discharge device and micro bubble, in the structure of the polluted water purifying device which is provided with a micro bubble generator for sterilization and uses ozone to purify the polluted water, a flowing pipe which is connected to the front and the back of a driving pump to guide the supplied raw water to be stored in a dissolved water storage tank is formed by multi-joint section connection, thereby when the operation of each section part is abnormal, a user can complete the inspection, maintenance and replacement operation according to the section part of each structural element on site, quickly finish the maintenance work such as the blockage of the flowing pipe, and the efficiency of the polluted water purifying device is substantially improved.
Further, the residual air in the dissolved water storage tank is discharged to the outside by the air discharge device connected to the dissolved water storage tank, so that scale accumulated in the dissolved water storage tank can be easily removed, maintenance is easy by adopting an assembly structure, and the residual air can be discharged according to various buoyancy by attaching gravity hammers of various sizes to the vacuum bulb.
In addition, the process of guiding the micro bubbles generated in the dissolved water purifying tank to flow into and discharge from the purifying tank is realized by rotating and discharging the screw rod in the purifying tank, so that the dissolved water is enabled to stay in the dissolved water purifying tank to the maximum extent, the sterilizing effect and the pollution removing effect are greatly improved by improving and stabilizing the concentration of oxygen and ozone mixed in the dissolved water, and particularly, the whole polluted water purifying device is formed in a form of easy decomposition and assembly, so that a user can maintain the polluted water purifying device by himself without the help of skilled workers, and the maintenance cost is saved.
Drawings
FIG. 1 is a front view of a schematic structure of an air discharge device and a self-maintenance-facilitating contaminated water purification device in which efficiency of microbubbles is improved according to the present invention;
FIG. 2 is a side view of the schematic structure of the air discharging device and the self-maintenance-facilitating contaminated water purifying apparatus in which the efficiency of microbubbles is improved according to the present invention;
FIG. 3 is a front view of an aperture regulating plate provided in an air discharger in a structure of a contaminated water purification apparatus with self-maintenance ease in which efficiency of micro bubbles is improved according to the present invention;
FIG. 4 is a sectional view showing the internal structure of a dissolved water storage tank in the structure of a contaminated water purification apparatus which is easy to be self-maintained and in which the efficiency of an air discharging means and microbubbles is improved according to the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
fig. 6 is a partially exploded perspective view of the internal structure of a dissolved water storage tank in the structure of a contaminated water purification apparatus with easy self-maintenance in which the efficiency of an air discharging device and microbubbles is improved according to the present invention;
fig. 7 is an exploded perspective view of the air discharger in the structure of the contaminated water purification apparatus easy for self-maintenance with improved efficiency of the air discharger and microbubbles according to the present invention;
fig. 8 is an exploded sectional view of the air discharger in the structure of the contaminated water purification apparatus easy for self-maintenance with improved efficiency of the air discharger and microbubbles according to the present invention;
fig. 9 is a combined sectional view of the air discharger in the structure of the contaminated water purification apparatus of the present invention, which is easy to self-maintain and has improved efficiency of the air discharger and the microbubbles;
FIG. 10 is a view showing an operation state of the air discharger in the structure of the air discharger and the self-maintenance-facilitated contaminated water purification apparatus in which the efficiency of the microbubbles is improved according to the present invention
Reference numerals
1: the drive motor 2: first flow tube
21: gate valve 22: anti-back pressure check valve
23: first bent connection pipe 3: second flow tube
31: the quantitative regulating valve 32: second bending connecting pipe
4: ozone generator 5: mixing device
6: third flow pipe 7: dissolved water storage tank
71: discharge pipe 72: screw rod
73: discharge device 74: inflow pipe
75: the outer shell 80: air discharge device
81: cover 82: clamp apparatus
83: silicon tube 84: fixing support
85: air discharge portion 86: air opening and closing pin
87: vacuum ball 88: air tube
Detailed Description
For a fuller understanding of the invention, its operating advantages and objects attained by its practice, reference should be made to the accompanying drawings which illustrate preferred embodiments of the invention and to the accompanying drawings.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements.
In the drawings, fig. 1 is a schematic configuration front view of a self-maintenance-facilitating contaminated water purification apparatus in which efficiency of an air discharge device and microbubbles is improved according to the present invention, fig. 2 is a schematic configuration side view of the self-maintenance-facilitating contaminated water purification apparatus in which efficiency of the air discharge device and microbubbles is improved according to the present invention, and fig. 3 is a front view of a hole diameter adjustment plate provided in the discharge device in a configuration of the self-maintenance-facilitating contaminated water purification apparatus in which efficiency of the air discharge device and microbubbles is improved according to the present invention.
As shown in the drawing, the self-maintenance-facilitating contaminated water purification apparatus (hereinafter referred to as "contaminated water purification apparatus") 100 of the present invention, which has improved efficiency of an air discharge device and microbubbles, includes a drive pump 1 for supplying external raw water to the contaminated water purification apparatus, a first flow tube 2 for supplying external raw water to the drive pump 1 by operation of the drive pump 1, a second flow tube 3 for supplying raw water flowing through the first flow tube 2 to a mixer 5, an ozone generator 4 for generating ozone, a mixer 5 for mixing raw water flowing through the second flow tube 3 and ozone generated by the ozone generator 4 to dissolve ozone in raw water, a third flow tube 6 having one end connected to the mixer 5 and the other end connected to a dissolved water storage tank 7 for supplying dissolved water supplied from the mixer 5 to the dissolved water storage tank 7, An inflow pipe 74 extended at the middle part and connected to the third flow pipe 6, an air exhaust device 75 provided at the upper outer part to exhaust residual air accumulated at the upper inner layer, an exhaust pipe 71 provided at the lower part to communicate with the outside to exhaust the stored dissolved water to the outside, a screw 76 provided at the inner part to dissolve ozone to the maximum extent to function as a pressurized storage tank and rotatably provided at the inner part of the dissolved water storage tank 7 to maintain stable balance of dissolved ozone, a dissolved water storage tank 7 for storing the dissolved water supplied from the mixer 50, and an exhaust device 73 connected to the exhaust pipe 71 of the dissolution storage tank 7 to exhaust and supply the exhausted dissolved water to the contaminated water storage tank.
The first flow tube 2 is connected to a gate valve 21 and a back pressure prevention check valve 22, and is constituted by a first bent connection tube 23 having a plurality of articulated tubes connected in sections, the second flow tube 30 is connected to a discharge port of the drive pump 1 to supply raw water to the mixer 5 having the ozone generator 4 connected thereto, thereby dissolving ozone in the raw water, and is constituted by a second bent connection tube 32 having one or more articulated sections connected to a quantitative control valve 31, and the third flow tube 6 has one end connected to the mixer 5 and the other end connected to the dissolved water storage tank 7 to supply the dissolved water supplied from the mixer 5 to the dissolved water storage tank 7, and is constituted by at least one articulated section.
In particular, since the first flow tube 2, the second flow tube 3, and the third flow tube 6 are configured to be connected in a multi-joint manner so as to be separable from each other, it is easy to quickly perform inspection and partial maintenance and replacement when an abnormality occurs in the contaminated water purification apparatus 100, and continuous use can be ensured by quick maintenance and management of the contaminated water purification apparatus.
The dissolved water storage tank 7 is a place for storing ozone dissolved water having sterilizing power supplied through the mixer 5 and the third flow tube 6, and has a cylindrical hollow form, and includes a housing 75 having a flange 751 at an edge thereof in a state where an upper portion thereof is open, an upper inflow tube 74 and a lower discharge tube 71 connected to an inside of the housing 75, a cap 76 assembled to the flange 751 to hermetically seal a housing portion 752, and an air discharge device 80 detachably assembled to a central portion of the cap 76.
Further, the ceramic coating 753 is provided on the inner surface of the casing 75 to prevent the deposition of scale, so that the maintenance period due to the deposition of scale can be delayed and the scale can be removed quickly, thereby shortening the time required for maintenance.
Further, the flange 751 and the cap 76 formed at the upper portion of the housing 75 are easily separated and assembled by a plurality of coupling bolts at their edges, and thus the housing portion 752 is easily cleaned and managed.
The storage section 752 is rotatably fixed to the screw 72 of the housing 75 at the lower portion thereof, so that loss of microbubbles of the dissolved water stored therein is minimized, unnecessary large bubbles and microbubbles are smoothly separated, the dissolved state of the dissolved oxygen and ozone is stabilized, the dissolution of ozone is maximized, the balance of the dissolved ozone is stabilized, and the efficiency of the dissolved water is improved.
That is, the screw 72 is provided such that the lower portion of the rotating shaft 721 is engaged with the motor 722 through a gear to rotate inside the housing portion 752, and moves the dissolved water flowing in through the upper inflow pipe 74 to the lower discharge pipe 71 side.
Further, the upper and lower portions of the rotary shaft 721 include a pair of guide plates 725 having a plurality of protrusions 723 at the edges thereof and holes 724 at the inner sides thereof, and when the screw 71 rotates, the protrusions 723 are rotated in such a manner as to be slidably adhered to the inner surface of the receiving portion 752, thereby preventing rattling and guiding stable rotation during rotation of the screw 72.
The residual air mixed in the inflow dissolved water is moved to the upper air recovery device 80 side through the hole 724 and discharged to the outside to be removed.
That is, ozone dissolved in the dissolved water, moves downward by maintaining the pressure of 5 atmospheres or more inside the dissolved water storage tank 7 and the rotation of the screw, and the remaining air passes through the edge portion of the guide plate 725 and the plurality of holes 724, and is discharged through the upper air outlet means 80.
The inflow pipe 74 is extended toward my step to be connected to the third flow pipe 60 at the middle portion of the dissolved water storage tank 7, and the other side is connected to the inside of the dissolved water storage tank 7, so that the ozone dissolved water flows into the dissolved water storage tank 7 through the inflow pipe 74 to be preserved.
The discharge pipe 71 is provided at a lower portion of the dissolved water storage tank 7 so as to communicate with the outside, and guides the stored ozone dissolved water to be discharged to the outside through a discharge device 73.
The discharge device 73 is connected to the discharge pipe 71, and discharges and supplies the ozone-dissolved water discharged through the discharge pipe 71 to the contaminated water storage tank to purify the contaminated water.
That is, the discharge device 73 includes an aperture adjustment plate 731 to adjust the diameter of the discharged microbubbles by the operation of the aperture adjustment plate 731 which is rotated left and right, so that the diameter of the microbubbles can be selectively adjusted according to the degree of pollution of the contaminated water and the size of the pollutants contained in the contaminated water. Generally, when the degree of contamination is large, the size of microbubbles is reduced to increase the surface area of the contamination to be purified, thereby improving the purification ability, and when the size of the contaminant is small, the diameter of microbubbles is similarly reduced to improve the purification ability of the contaminant.
The cap 76 is integrally formed with a plurality of coupling holes 761 for coupling with the flange 751 at the edge, a coupling hole 762 for introducing residual air into the air discharger 80 at the center, and a nut hole 763 for coupling with the air discharger 80 at the edge of the coupling hole 762 in an assembled manner.
The air discharging means 80 is used to discharge the residual air remaining in the ozone-dissolved water flowing into the storage tank through the inflow pipe 74 to the outside and rising up and collecting in the upper layer of the interior, and the ozone dissolved in the dissolved water is moved to the lower part by the pressure of five air pressures or more maintained in the interior of the dissolution storage tank 70 and the rotation of the screw, so that the air discharging means 80 in the upper part discharges the residual air to the outside without discharging the residual ozone.
That is, the air discharge device 80 may be substantially composed of a cover 81, a jig 82, a silicon tube 83, a fixing bracket 84, an air opening/closing pin 86, a vacuum ball 87, and an air tube 88.
The cover 81 may include a lower cover 81a and an upper cover 81b, which are vertically separable for easy maintenance.
The lower cover 81a has a mounting portion 811 on the lower side thereof for mounting the dissolved water storage tank 7 of the contaminated water purification apparatus, and the mounting portion 811 is formed to have a general flange shape so as to penetrate the inside thereof. Further, a contaminated water discharge port 812 for discharging contaminated water inside the cover 81 may be provided on the lower side of the lower cover 81 a.
The contaminated water discharge port 812 is a portion for discharging the contaminated water contained in the cover 81, and may be connected with a second battery valve SOL1 to be described later.
Further, a lower flange 813 for coupling with the upper cover 81b may be provided at an upper edge portion of the lower cover 81 a.
The upper cover 81b may have a through hole 814 for allowing the air discharge unit 85, which will be described later, to pass therethrough on the upper side. Further, an injection part 815 for injecting microbubbles into the cover 81 may be provided at an upper portion of an outer side of the upper cover 81 b.
The injection portion 815 has a screw thread on an inner circumferential surface thereof, and is connected to a first battery valve SOL1 to be described later. An upper flange 816 for coupling with the lower cover 81a may be provided at a lower edge portion of the upper cover 81 b.
When the lower cover 81a and the upper cover 81b are coupled to each other, a soft gasket 817 may be provided between the lower flange 813 and the upper flange 816 to maintain airtightness of the cover 81.
Further, a jig 82 may be provided to fixedly couple the lower cover 81a and the upper cover 81 b.
The jig 82 is a fixing member for closely coupling the lower cover 81a and the upper cover 81b to each other, and includes a rim 821 for fixing a rim portion of a lower flange 813 of the lower cover 81a and an upper flange 816 of the upper cover 81b while surrounding them, and a fixing portion 822 provided at one end of the rim 821 for fixing the rim 821.
The edge portion 821 is constituted by a plurality of joint structures forming a groove inside, and the edge portion 821 is fixed by the fixing portion 822 in a state of surrounding the edge portions of the lower flange 813 and the upper flange 816 of the upper cover 81b in stages and inserting the edge portions of the lower flange 813 and the upper flange 816 of the upper cover 81b into the inner groove.
The fixing portion 822 is a stud bolt structure that can rotate around one side of the edge portion 821, and a handle having a nut structure is coupled to a distal end thereof, and when the handle is rotated and tightened, the edge portion 821 is tightened to be gathered inward, and the edge portion 821 is fixed by the fixing portion 821.
Next, the air discharge portion 85 is a portion where a silicon tube 83 and a fixing bracket 84, which will be described later, are provided to provide a passage for discharging residual air inside the cover 81 to the outside.
The air discharge portion 85 is provided to penetrate from the upper inside to the outside through the through hole 814 of the upper cover 81 b.
The air discharge portion 85 is provided on the outer side of the upper cover 81b, and includes a discharge hole 851 having a center portion opened vertically upward, a side hole 852 provided on the inner side of the upper cover 81b and opened horizontally on the side surface side, a fixing step 853 for being fixed to a through hole 814 formed through the upper cover 81b by hooking, a screw portion 854 exposed through the outer side of the upper cover 81b and having a thread formed on the outer peripheral surface, and a hooking step 855 for hooking the air opening/closing pin 86 to be described later to prevent downward movement thereof.
That is, the fixing step 853 is fixedly engaged with the through hole 814 of the upper cover 81b such that the screw portion 854 having the discharge hole 851 is positioned outside with respect to the through hole 814 of the upper cover 81b, and the lower portion having the side hole 852 is positioned inside with respect to the through hole 814 of the upper cover 81 b.
Although not shown, the screw portion 854 may be coupled to a pipe (not shown) for discharging the residual air to the outside by a screw, so that the air discharge portion 85 may be coupled to the upper cover 81 b.
Further, the fixing step 853 of the air outlet 85 can be fixed by welding in a state of being closely attached to the through hole 814 of the upper cover 81b without using screw coupling.
A key groove 856 is provided on the upper inner circumferential surface side of the air outlet 85, and a fixing key 857 is coupled to the key groove 856 to prevent the fixing bracket 84, which will be described later, from being separated from the air outlet 85.
Next, the silicon tube 83 is provided at the center inside the air discharge portion 85, and a gas hole 831 through which residual air passes is formed at the center, and may be made of a soft material.
Next, a fixing bracket 84 is closely attached to the inside of the air discharge portion 85 so that the silicon tube 83 is fixed to the center of the inside of the air discharge portion 85.
The fixing bracket 84 has a fixing groove 841 at the lower center thereof, into which the silicon tube 83 is inserted, an O-ring groove 842 at one side of the outer circumferential surface thereof, and an O-ring 853 coupled to the O-ring groove 842 to maintain airtightness. The upper portion has a structure in which the width gradually decreases from the upper portion to the center of the lower portion, and the center portion has a through hole. In this case, the diameter of the through hole provided in the center portion is preferably equal to or larger than the air hole 831 of the silicon tube 83.
Next, the air opening and closing pin 86 is a portion that closes the air hole 831 of the silicon tube 83 described above to control the discharge flow of the residual air.
The air opening and closing pin 86 is coupled to the center of the lower side of the air discharge unit 85, and has a closing surface 861 having a sharp center part and inclined to close the air holes 831 formed on the upper surface thereof, a coupling protrusion 862 having a portion protruding to be coupled to a coupling portion 871 of the vacuum ball 87, which will be described later, and a through hole formed in the coupling protrusion 862, and includes a coupling pin 863 interposed in the through hole and fixed in a state of being coupled to the coupling portion 871 of the vacuum ball 87.
The air opening/closing pin 86 has a catch portion 864 formed in a stepped manner by changing the diameter of the outer peripheral surface at one side edge portion of the outer peripheral surface. Even if the engaging portion 864 is engaged with the engaging step 855 of the air discharging unit 85, the air opening and closing pin 86 is not separated from the air discharging unit 85.
Next, the vacuum ball 87 is coupled to the air opening/closing pin 86, and controls the vertical movement of the air opening/closing pin 86 according to the air pressure inside the cover 81.
The vacuum ball 87 is provided in the cover 81, is formed in a hollow metal ball shape, and has a coupling portion 871 at which a coupling protrusion 862 of the air opening/closing pin 86 is protruded.
The vacuum ball 87 generates buoyancy when the pressure of air flowing into the cover 81 becomes a predetermined pressure or more, and rises upward. For example, when the residual air contained in the dissolved water storage tank 7 flows into the lid 81, the vacuum ball 87 is kept in an immovable state while the internal air pressure of the lid 81 is maintained at a pressure of five atmospheres or less, and thus the air hole 83 of the silicon tube 83 is kept open, and when a pressure of five atmospheres or more is generated, the vacuum ball 87 rises upward in the lateral direction to close the air hole 831 of the silicon tube 83. Here, the air pressure can be variably set as necessary.
In this case, in order to cope with the various air pressures, a center of gravity weight 872 for adjusting the weight of the vacuum ball 87 may be provided below the vacuum ball 87.
Further, a package may be additionally provided between the vacuum bulb 87 and the center weight 872 to maintain airtightness.
Next, the air tube 88 is a portion that sprays micro bubbles to easily wash the scale accumulated inside the above-described cap 81.
The air pipe 88 is provided inside the upper cover 81b, and has a circular pipe shape to be provided along the inner circumferential surface of the upper cover 81 b. In addition, the injection hole 881 is formed to inject microbubbles by perforating in a downward direction at regular intervals.
That is, the air tube 88 side is connected to the injection part 815 of the upper cover 81b, and the external air bubbles are introduced into the air tube 88 through the injection part 815, and the introduced micro air bubbles are injected into the cover 81 and the surface of the vacuum bulb 87 through the injection hole 881 of the air tube 88.
A first battery valve SOL1 and a second solenoid valve SOL2 may be respectively provided at the injection part 815 of the upper cover 81b and the contaminated water discharge port 812 of the lower cover 81a to automatically control the injection of microbubbles and the discharge of contaminated water.
Next, the operation state of the air ejector 80 configured as described above will be described.
Fig. 10 is an operation state diagram of an air discharge device of a contaminated water purification apparatus provided with a microbubble generator according to an embodiment of the present invention.
As shown in fig. 10, the procedure of washing the inside of the cover 81 when scale is accumulated in the cover 81 by repeating the process in which the residual air flows from the dissolved water storage tank 7 into the cover 81 through the mounting portion 811 of the lower cover 81a will be described.
First, microbubbles are injected through the injection part 815 of the upper cover 81 b. At this time, the injection flow is controlled by the first solenoid valve SOL 1.
Then, the microbubbles injected through the injection part 815 move to the air pipe 88 communicating with the injection part 815, and the microbubbles are injected into the air pipe 88.
Then, the micro bubbles are sprayed to the inner space of the cap 81 and the surface of the vacuum ball 87 through the spraying holes 881 of the air tube 88, thereby removing the scale accumulated in the inner space of the cap 81 and the surface of the vacuum ball 87.
Then, the removed scale falls to the bottom surface of the lower cover 81a, and is discharged to the outside through the contaminated water discharge port 812 together with the contaminated water. At this time, the injection flow is controlled by the second solenoid valve SOL 2.
The air discharger 80 having the above-described structure can easily wash scale accumulated in the inside of the cover 81 and on the surface of the vacuum bulb by injecting microbubbles into the internal housing space of the air discharger 80, and thus, it is possible to prevent the operation of the air discharger from being stopped due to the accumulation of scale in advance, and it is possible to improve the convenience of maintenance by easily disassembling and assembling the cover 81 by vertically separating it, and it is possible to discharge residual air in response to buoyancy in various cases by attaching the gravity center weight 872 of various sizes to the vacuum bulb 87.
As described above, in the polluted water purification apparatus in which the efficiency of the air discharge device and the microbubble generator for sterilization for purifying polluted water by ozone are installed, the flow pipe connected to the front and rear of the drive pump to guide the supplied raw water to be stored in the dissolved water storage tank is constructed by the articulated joint connection, so that the user can complete the inspection, maintenance and replacement work at the joint part of each component on site when the operation abnormality occurs at each joint part, and the maintenance work such as the clogging of the flow pipe is rapidly completed, thereby substantially improving the efficiency of the polluted water purification apparatus.
Further, the residual air in the dissolved water storage tank is discharged to the outside by the air discharge device connected to the dissolved water storage tank, so that scale accumulated in the dissolved water storage tank can be easily removed, maintenance is easy by adopting an assembly structure, and the residual air can be discharged according to various buoyancy by attaching gravity hammers of various sizes to the vacuum bulb.
In addition, the process of guiding the micro bubbles generated in the dissolved water purifying tank to flow into and discharge from the purifying tank is realized by rotating and discharging the screw rod in the purifying tank, so that the dissolved water is enabled to stay in the dissolved water purifying tank to the maximum extent, the sterilizing effect and the pollution removing effect are greatly improved by improving and stabilizing the concentration of oxygen and ozone mixed in the dissolved water, and particularly, the whole polluted water purifying device is formed in a form of easy decomposition and assembly, so that a user can maintain the polluted water purifying device by himself without the help of skilled workers, and the maintenance cost is saved.
As mentioned above, the drawings and specification disclose preferred embodiments. Although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation, the scope of the invention being defined by the claims. Accordingly, various modifications and equivalent other embodiments may be devised by those skilled in the art. But rather should be construed to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A polluted water purification apparatus which is easy to maintain by itself and has an improved efficiency of an air discharge device and microbubbles, comprising a first flow pipe (2) connected to an inflow port of a drive pump (1) for inflow of raw water, a mixer (5) connected to a discharge port of the drive pump (1) for supplying the raw water to an ozone generator (4) through a first bent connection pipe (23) constituted by one or more articulated joints connected by a connection gate valve (21) and a back pressure prevention check valve (22) to dissolve ozone in the raw water, a second flow pipe (3) for controlling the supply of the raw water through a second bent connection pipe (32) constituted by one or more articulated joints connected by a connection quantitative control valve (31), one end connected to the mixer (5), and the other end connected to a dissolved water storage tank (7), a contaminated water purification apparatus of a discharge apparatus (73) for supplying the dissolved water supplied from the mixer (5) to a dissolved water storage tank (7), which comprises at least one third flow pipe (6) formed by articulated joint connection, an air discharge device (80) connected to the third flow pipe (6) and used for discharging residual air, the dissolved water storage tank (7) connected to a discharge pipe (71) at the lower part, and a discharge pipe (71) connected to the dissolved water storage tank (7) for discharging the discharged dissolved water to the contaminated water storage tank, wherein the apparatus is provided with an aperture adjustment plate (731) capable of adjusting the size of the sprayed microbubbles, and is capable of adjusting the diameter of the microbubbles by rotating the apparatus in the left and right direction, the apparatus is characterized in that:
the dissolved water storage tank (7) has a cylindrical hollow form and includes:
a housing (75) having a flange (751) at the edge thereof in a state where the housing (752) and the upper portion thereof are open;
an upper inflow pipe (74) and a lower discharge pipe (71) connected to the inside of the housing (75);
a screw (72) rotatably provided in the interior of the housing (75) to move the dissolved water downward, prevent loss of microbubbles, and stabilize homogenization of microbubbles and a balance between dissolved oxygen and a dissolved state of ozone;
a cap (76) assembled to the flange (751) to seal the housing (752);
and an air discharge device (80) detachably assembled to the central portion of the cap (76) and configured to allow the residual air generated in the housing portion (752) to flow in and be discharged.
2. The self-maintenance-easy contaminated water purification apparatus with improved efficiency of air discharge means and micro bubbles according to claim 1, wherein: the screw (42) further comprises a pair of guide plates (725) having a plurality of protrusions (723) at the edges thereof and holes (724) therein at the upper and lower portions thereof, wherein the guide plates (725) provided at the upper and lower portions of the screw (42) prevent rattling when the screw is rotated.
3. The self-maintenance-easy contaminated water purification apparatus with improved efficiency of air discharge means and micro bubbles according to claim 1, wherein: and a ceramic coating layer (753) applied to the inner surface of the shell (75) of the dissolved water storage tank (7), wherein the ceramic coating layer (753) prevents the deposition of scale.
4. The self-maintenance-easy contaminated water purification apparatus with improved efficiency of air discharge means and micro bubbles according to claim 1, wherein: the rotating shaft (721) of the screw (42) rotates the screw (42) by being physically connected to a motor (722) provided in the lower portion.
5. The self-maintenance-easy contaminated water purification apparatus with improved efficiency of air discharge means and micro bubbles according to claim 1, wherein:
the air discharge device (80) includes:
a lid (81) provided above the dissolved water storage tank (7) of the contaminated water purification apparatus, having a space for containing air remaining in the ozone-dissolved water therein, and including a lower lid (81a) and an upper lid (81b) that are vertically separable;
an air discharge part (85) which is provided to penetrate the upper inside of the upper cover (81b) to the outside, and which has a side hole (852) on the inner side of the upper cover (81b) and a discharge hole (851) on the outer side of the upper cover (81b) in order to discharge the residual air inside the upper cover (81b) to the outside;
a soft silicon tube (83) provided at the center of the inside of the air discharge part (85) and having an air hole (831) formed at the center thereof through which residual air passes;
a fixing bracket (84) which is closely attached to the inner side of the air discharge part (85) so that the silicon tube (83) is fixed to the center of the inner side of the air discharge part (85);
an air opening/closing pin (86) coupled to the center of the lower side of the air discharge part (85) and closing an air hole (831) of the silicon tube (83) to control the discharge flow of the residual air;
a vacuum ball (87) which is provided inside the upper cover (81b), is coupled to the air opening/closing pin (86), and controls the vertical movement of the air opening/closing pin (86) according to the air pressure inside the upper cover (81 b); and an air pipe (88) provided inside the upper cover (81b), formed in a circular pipe shape to be disposed along an inner circumferential surface of the upper cover (81b), and formed with injection holes (881) perforated in a downward direction at a certain interval to inject micro-bubbles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471140.1A CN111268786B (en) | 2018-12-04 | 2018-12-04 | Air discharge device and self-maintenance-easy contaminated water purification device with improved efficiency of microbubbles |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811471140.1A CN111268786B (en) | 2018-12-04 | 2018-12-04 | Air discharge device and self-maintenance-easy contaminated water purification device with improved efficiency of microbubbles |
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| CN111268786A true CN111268786A (en) | 2020-06-12 |
| CN111268786B CN111268786B (en) | 2022-04-08 |
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| CN201811471140.1A Expired - Fee Related CN111268786B (en) | 2018-12-04 | 2018-12-04 | Air discharge device and self-maintenance-easy contaminated water purification device with improved efficiency of microbubbles |
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Cited By (1)
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| JP6889957B1 (en) * | 2020-11-02 | 2021-06-18 | オオノ開發株式会社 | Fine bubble generator |
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| US4392784A (en) * | 1980-10-28 | 1983-07-12 | Pumpenfabrik Urach | Valve arrangement for venting conduits and pumping system including the same |
| CN2490155Y (en) * | 2000-07-20 | 2002-05-08 | 东宇技研株式会社 | Ozone water generator |
| CN203394743U (en) * | 2013-07-15 | 2014-01-15 | 胜瑞兰工业设备（苏州）有限公司 | One-way plate valve of metering pump with inlet and outlet |
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| Publication number | Publication date |
|---|---|
| CN111268786B (en) | 2022-04-08 |
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