TW201339106A - Water circulation apparatus - Google Patents

Abstract

Provided is a water circulation apparatus, which includes: guiding external sewage into a diffusion member by a manner of irregular cascading water; using the irregular cascading water to naturally carry air therein and mixing well so as to make the greasy impurities in the sewage form bubbles floating on the water surface; guiding the bubble-containing water into a water-bubble shunt tube provided with a bubble outlet for guiding accumulated bubbles upwards and a purified water outlet for guiding water flow downwards; the bubble outlet using a bubble-guiding tube to connect a liquid-gas separating tube with a smaller external diameter so as to squash and break the bubbles for forming air and sewage containing high-concentration impurities; and finally the sewage being discharged outwards from a sewage outlet extending downwards via a sewage drainage tube and the air being discharged from an air discharging tube with convergent external diameter via an air outlet, wherein the air outlet also can be interconnected to the sewage drainage tube via a second sewage drainage tube.

Description

Water circulation device

The invention relates to a water circulation device, in particular to a water circulation device which is simple and reliable in structure, has good cleaning effect, can increase dissolved oxygen amount, and has energy-saving effect.

In the environment of aquaculture (especially large-scale aquaculture), due to the use of various feeds, the culture water will be chemically changed and have components such as nitrous acid and ammonia to form aquaculture water pollution. At the same time, the cultured aquatic organisms Oxygen in aquaculture water is also consumed. Therefore, for aquaculture, water purification and supply and maintenance of dissolved oxygen in water are an important issue.

The conventional purification filtration system applied to the water circulation adopts a lateral overflow method, and the filter cotton and the ceramic filter material are respectively disposed in different filtering spaces, so that the water flow overflows into the first filtering space and then overflows to the second filtering space. By analogy, the water purification effect of the layer filtration is achieved; however, in the above overflow process, not only the time consumption is caused, but also the extra air (oxygen) gas is required to be supplied by the pressurized motor at the end. The amount of dissolved oxygen in the water also increases the energy consumption and equipment installation cost. At the same time, the use of various consumables such as filter cotton increases the burden of use and is less economical.

Regarding various conventional aeration devices, there are many domestic and foreign patent documents that disclose various structures and implementations, such as: Republic of China Patent Notice No. M397386 "Frozen valve and aeration pipe device", Republic of China Patent Notice No. 193651 "Sewage treatment of continuous batch aeration purification", Chinese Patent No. CN101172700 "Intermittent two-way flow aeration biological filter and its sewage treatment method", Chinese Patent No. CN1689985 "Arrangement Method of Biological Aerated Filter and Aeration Filter Head", Chinese Patent No. CN1827537 "No-blocking Biological Aerated Filter", Chinese Patent No. CN1911832 "Siphonic Automatic Operation Aerated Biological "Filtering tank", Chinese Patent No. CN2595797 "Special long-handle filter head for aerated biological filter" and Chinese patent No. CN2438709 "Upstream aerated biological filter", etc., all of which disclose various entities with aeration functions Institutions, such aerated physical devices increase the equipment investment cost and subsequent maintenance costs more or less, no matter how complicated or simple.

In view of the above shortcomings in the practical application of the water filtration and purification device, the inventors have made research on the improvement of these disadvantages, and finally the present invention has been produced.

The main object of the present invention is to provide a water circulation device which can utilize the physical action during the flow of sewage to separate impurities in the water and simultaneously mix with the air to achieve excellent water purification effect and high dissolved oxygen. Quantity, and it does not need to use any mechanical means at all, so there is no possibility of mechanical failure, the overall structure is simple and reliable.

Another object of the present invention is to provide a water circulation device which can completely save energy and cost, and has environmental protection and economic benefits, in the process of separating impurities and aeration in water.

In order to achieve the above object and effect, the technical means adopted by the present invention include: a diffusing member having a water inlet capable of introducing sewage, at least one air inlet for allowing outside air to flow in, and a discharge pipe, Sewage is subdivided and diffused by the inlet nozzle into the interior of the diffuser Fully mixing with the air flowing in the air inlet, and separating the impurities in the sewage to form bubbles floating on the water surface, the bubble-containing water flowing out from the outlet pipe; the water bubble shunt pipe, the middle section is provided with a connection a water bubble inlet port of the outlet tube, and an upwardly extending bubble outlet port for discharging air bubbles floating on the water surface, and a downwardly extending water outlet port for extracting the purified water for removing impurities; The gas separation pipe has a liquid gas inlet port connected to the bubble outlet port for introducing air bubbles flowing out of the water bubble branch pipe, a downwardly extending sewage outlet port, and an air outlet port, and is squeezed by the air bubble After the rupture, sewage and air containing high concentration impurities are formed, and the sewage is directly discharged downward from the sewage outlet, and at the same time, a large amount of air generated by bubble collapse can be unidirectionally discharged from the air outlet.

According to the above structure, the diffusing member is an upright tubular body, the water inlet nozzle is disposed at a top end of the diffusing member, and the air inlet is disposed at a side of the water inlet nozzle, and the outlet pipe system is disposed At the bottom of the diffuser.

According to the above structure, the middle portion of the diffusing member is horizontally provided with at least one impact member having a dense through hole.

According to the above structure, the through holes of the impact member are densely arranged in a honeycomb shape.

According to the above structure, an auxiliary air inlet is disposed in the middle of the water inlet nozzle, and the auxiliary air inlet can separately introduce external air into the sewage flowing through the water inlet nozzle.

According to the above structure, the air outlet of the liquid-gas separation pipe is sequentially provided with a horizontal section and an upwardly extending ascending section, and a downwardly extending secondary sewage is further disposed between the horizontal section and the rising section. Drainage tube.

According to the above structure, the sewage outlet of the liquid-gas separation pipe is connected to a sewage drainage pipe, and the secondary sewage drainage pipe is connected to the sewage drainage pipe.

According to the above structure, the air outlet is connected to one end of an air outlet pipe, and the other end of the air outlet pipe is provided with an air outlet having an outer diameter tapered.

As for the detailed construction, application principle, function and effect of the present invention, a complete understanding can be obtained by referring to the following description according to the drawings:

1, 10‧‧‧ diffusers

11‧‧‧Water inlet

111, 101‧‧‧ water inlet

112‧‧‧Auxiliary air intake

12, 102‧‧‧ air inlet

13‧‧‧ impact parts

14, 103‧‧‧ Export tube

2‧‧‧Water bubble shunt tube

21‧‧‧Water bubble inlet

22‧‧‧Water purification outlet

221‧‧‧Outlet

23‧‧‧Bubble outlet

231‧‧‧ bubble conduit

3, 30‧‧‧ liquid gas separation pipe

31, 301‧‧‧ liquid gas inlet

32, 302‧‧ ‧ sewage outlet

321‧‧‧Sewage drainage tube

33, 303‧‧ ‧ air outlet

331‧‧‧ horizontal section

332‧‧‧ rising section

34‧‧‧Second sewage drainage pipe

35‧‧‧Exhaust pipe

351‧‧‧ air outlet

4‧‧‧Water source

41‧‧‧ pump

Fig. 1 is a plan view showing the first embodiment of the present invention.

Fig. 2 is a plan view showing a second embodiment of the present invention.

Referring to FIG. 1 , it is understood that the structure of the first embodiment of the present invention mainly includes: a diffusing member 10 , a water bubble shunt tube 2 , a liquid gas separating tube 30 , and the like, wherein the diffusing member 10 can be an upright tubular body. The top end of the diffuser 10 is connected to a pump 41 disposed in the water source 4 (which may be an aquaculture tank or a water tank), and the top end of the diffuser 10 is provided with at least one air inlet 102 on the side of the end of the inlet pipe 101. Further, at the bottom of the diffuser 10, a lead-out tube 103 is connected (the inner diameter of the lead-out tube 103 is smaller than the inner diameter of the diffuser 10, and the inner diameter of the lead-out tube 103: the inner diameter of the diffuser 10 = 2.5:5). good).

The water bubble shunt tube 2 is provided with a water bubble introduction port 21 connected to the outlet pipe 103 in the middle portion, and an upwardly extending bubble outlet port 23 and a downwardly extending clean water outlet port 22 (the water bubble inlet port 21, the bubble) The inner diameter of the outlet port 23 and the clean water outlet port 22 are preferably the same as the inner diameter of the diffuser 10, and the clean water outlet port 22 is via an outlet pipe 221 (the inner diameter is the same as the clean water outlet). 22) extending above the water source 4, and using the water outlet of the water outlet pipe 221 to remain above the water bubble shunt tube 2, forming a bit The water level line above the bubble outlet 23.

The liquid-gas separation pipe 30 has a liquid-gas inlet port 301, a downwardly extending sewage outlet 302, and an upwardly extending air outlet 303 (the inner diameter of the liquid-gas inlet 301, the sewage outlet 302, and the air outlet 303) All are the same and smaller than the inner diameter of the diffuser 10, and the common inner diameter of the liquid gas inlet 301, the sewage outlet 302 and the air outlet 303: the inner diameter of the diffuser 10 = 2.5:5 is preferred, The liquid gas inlet 301 can be connected to the bubble outlet 23 via a bubble conduit 231 (the inner diameter of the bubble conduit 231 is the same as the bubble outlet 23), and the sewage outlet 302 is externally connected by a sewage drainage pipe 321 . The air outlet 303 is connected to one end of an air outlet pipe 35, and the other end of the air outlet pipe 35 is provided with an air outlet 351 whose outer diameter is tapered. The inner diameter of the air outlet 351 is smaller than the inner diameter of the air outlet 303, and The inner diameter of the air outlet 351: the inner diameter of the air outlet 303 is preferably 1:2.5, and the inner diameter of the air outlet 35 away from the air outlet 351 is the same as the air outlet 303.

In use, the pump 41 extracts the sewage (water contaminated by the feed and aquatic waste) from the water source 4 into the larger space inside the diffuser 10 via the inlet pipe 101 having a smaller inner diameter, and can generate fine diffusion and stacking. In the water phenomenon, the external air may be sucked into the diffuser 10 by the air inlet 102 due to the phenomenon of water accumulation, so as to be sufficiently mixed with the sewage, so that impurities (grease or protein) in the sewage can be separated and formed to float on the water surface. The air bubbles, which are not immediately shattered by the surface tension, can be carried by the water flow of the sewage to the outlet pipe 103.

When the sewage containing bubbles in the outlet pipe 103 flows into the water bubble shunt pipe 2 having a larger inner diameter from the water bubble introduction port 21 having a smaller inner diameter, the water flow velocity is slowed down, and the bubble which is not broken will be buoyant. Stacked up and pushed forward through the bubble conduit 231 to the liquid gas guide The inlet 301; after the above-mentioned separation from the bubble (cleaner), due to the heavy weight, it can naturally flow downward from the purified water outlet 22 through the outlet pipe 221 into the water source 4, thereby forming an oxygen-containing purification. The effect of the circulating water flow.

The bubble is passed through the liquid gas introduction port 301 through the liquid gas introduction port 301 into the liquid gas separation pipe 30 having a small inner diameter. At this time, after the bubbles are crushed and broken, a sewage containing a high concentration of impurities is formed. The air, the heavier sewage can be directly discharged downward from the sewage outlet 302 through the sewage drainage pipe 321; at the same time, the lighter air generated by the bubble burst can be introduced into the outlet pipe 35 by the air outlet 303. By using the large amount of flowing air, a certain air pressure can be generated, and the air outlet 351 which is tapered with the air outlet pipe 35 can effectively raise the pressure of the air flow to form high-pressure air that can be utilized.

Referring to FIG. 2, it is understood that the structure of the second embodiment of the present invention mainly includes: a diffusion member 1, a liquid-gas separation tube 3, and the same water bubble shunt tube 2 and the like as the first embodiment; The diffusing member 1 may be an upright tubular body having a water inlet 11 at its top end (the inner diameter of the water inlet nozzle 11 is smaller than the inner diameter of the diffusing member 1 and the inner diameter of the water inlet nozzle 11: the diffusing member 1) The inner diameter = 3:5 is preferable. The water inlet nozzle 11 is via an inlet pipe 111 (the inner diameter of the water inlet nozzle 11 is larger than the inner diameter of the inlet pipe 111, and the inner diameter of the water inlet nozzle 11 is: Preferably, the inner diameter of the water pipe 111=3:1.5 is connected to a pump 41 disposed in the water source 4, and an auxiliary air inlet 112 is horizontally disposed in the middle of the water inlet nozzle 11 (the inner diameter of the water inlet nozzle 11 is larger than The inner diameter of the auxiliary air inlet 112, and the inner diameter of the water inlet nozzle 11: the inner diameter of the auxiliary air inlet 112 = 3: 0.5 is preferable, and the top end of the diffusion member 1 is disposed beside the water inlet nozzle 11 There is at least one air inlet 12, at least one dense (can be arranged in a honeycomb-like densely arranged) through-hole impacting member 13 is disposed in the middle of the diffusing member 1, and a discharge tube 14 is connected to the bottom of the diffusing member 1 (the outlet tube) The inner diameter of 14 is smaller than the inner diameter of the diffuser 1, and the inner diameter of the outlet pipe 14: inner diameter of the diffuser 1 = 2.5:5 is preferable.

The water bubble shunt tube 2 is provided with a water bubble introduction port 21 connected to the outlet pipe 14 in the middle portion, and an upwardly extending bubble outlet port 23 and a downwardly extending clean water outlet port 22 (the water bubble inlet port 21, the bubble) The inner diameter of the outlet port 23 and the clean water outlet port 22 are preferably the same as the inner diameter of the diffuser 1, and the clean water outlet port 22 is via an outlet pipe 221 (the inner diameter is the same as the clean water outlet). 22) extending above the water source 4, and the water outlet of the water outlet pipe 221 is kept above the water bubble shunt tube 2 to form a water level line above the bubble outlet port 23.

The liquid-gas separation pipe 3 has a liquid gas inlet port 31, a downwardly extending sewage outlet port 32, and an upwardly extending air outlet port 33 (the inner diameter of the liquid gas inlet port 31, the sewage outlet port 32, and the air outlet port 33) All are the same and smaller than the inner diameter of the diffuser 1, and the common inner diameter of the liquid gas inlet 31, the sewage outlet 32 and the air outlet 33: the inner diameter of the diffuser 1 = 2.5:5 is preferable, The liquid gas inlet port 31 is connected to the bubble outlet port 23 via a bubble conduit 231. The sewage outlet port 32 is externally connected by a sewage drain pipe 321 which is a horizontal section 331 and an upward direction extending outward. An extended rising section 332 is formed between the horizontal section 331 and the rising section 332, and a downwardly extending secondary sewage drainage pipe 34 is connected. The secondary sewage drainage pipe 34 is connected to the sewage drainage pipe 321 . The rising section 332 is connected to one end of an air outlet pipe 35, and the other end of the air outlet pipe 35 is provided with an air outlet 351 whose outer diameter is tapered (the inner diameter of the air outlet port 351: the inner diameter of the air outlet port 33 = 1: 2.5 is preferred, and the inner diameter of the outlet pipe 35 away from the end of the air outlet 351 is the same as The air outlet port 33.

In use, the pump 41 extracts the sewage (water contaminated by the feed and aquatic waste) in the water source 4 through the water inlet pipe 111 through the water inlet nozzle 11, and the auxiliary air inlet 112 can introduce the external air into the circulation. In the sewage in the water inlet nozzle 11, the sewage is mixed with the air for the first time; then, the sewage enters a large space inside the diffusion member 1 from the water inlet nozzle 11 having a smaller inner diameter, and the fineness can be generated. Diffusion and water-splitting phenomenon, the external air may be sucked into the diffuser 1 by the air inlet 12 due to the phenomenon of water accumulation, so as to be mixed with the sewage for the second time; finally, the sewage falls in the diffuser 1 and will The impact member 13 is collided and passed through the through holes to mix the sewage with the air for a third time. By the above multiple mixing with the air, the impurities (grease or protein) in the sewage can be separated and floated. The air bubbles on the surface of the water, which are not immediately broken by the surface tension, can be carried by the water flow of the sewage to the outlet pipe 14.

When the sewage containing bubbles in the outlet pipe 14 flows into the water bubble shunt pipe 2 having a larger inner diameter from the water bubble introduction port 21 having a smaller inner diameter, the water flow velocity is slowed down, and the unbroken air bubbles are caused by buoyancy. Stacked upwards and pushed forward to the liquid gas introduction port 31 via the bubble conduit 231; and after the above-mentioned (cleaner) water separated from the bubbles, due to the heavy weight, it can naturally be downwardly from the purified water outlet 22 The outlet pipe 221 flows into the water source 4 to form a circulating water stream having a dissolved oxygen purification effect.

The bubble is flowed into the liquid-gas separation pipe 3 having a smaller inner diameter through the liquid-gas introduction port 31 through the bubble conduit 231 having a larger inner diameter. At this time, after the bubbles are crushed and broken, a sewage containing a high concentration of impurities is formed. The air, the heavier sewage can be directly discharged downward from the sewage outlet 32 through the sewage drainage pipe 321; at the same time, the lighter air generated by the bubble collapse flows upward in the horizontal section 331 of the air outlet 33. Generated during the process of segment 332 Another draining effect, so that the small water droplets mixed in the air or the unintended splashing water can be discharged back to the sewage drainage pipe 321 by the secondary sewage drainage pipe 34 to make the water-free The air can be introduced into the air outlet pipe 35 in one direction, and a certain air pressure can be generated by using the large amount of flowing air. The air outlet 351 which is tapered with the air outlet pipe 35 can effectively increase the pressure of the air flow to form high-pressure air available for use.

According to the above structure, the present invention can achieve the following enhancements in efficacy:

1. During the water circulation process, the decontamination purification flow rate is the raw water flow rate, so that the decontamination purification capacity is far superior to other protein removal devices with different principles of the same effect; and the aeration operation can be performed without additional energy supply. Therefore, it has energy-saving features.

2. The water flows into the diffuser 1 and brings a large amount of air during the impact process, which can generate a water supply with extremely high dissolved oxygen, and generate pressure in the internal pipeline to replace the originally supplied air pump, thereby achieving energy saving effect.

3. There is no mechanical structure and activity in the whole water circulation process, it is not easy to be faulty, no maintenance and durable. As can be seen from the above, the water circulation device of the invention has the advantages of simple and reliable structure, good water purification effect, energy saving benefit and improvement. The effect of oxygen content has indeed been industrially utilized, novel and progressive.

The above is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention. That is, the equivalent changes and modifications made by the scope of the patent application of the present invention are covered by the scope of the invention.

1‧‧‧Diffuser

11‧‧‧Water inlet

111‧‧‧ water inlet

112‧‧‧Auxiliary air intake

12‧‧‧air inlet

13‧‧‧ impact parts

14‧‧‧Extraction tube

2‧‧‧Water bubble shunt tube

21‧‧‧Water bubble inlet

22‧‧‧Water purification outlet

221‧‧‧Outlet

23‧‧‧Bubble outlet

231‧‧‧ bubble conduit

3‧‧‧Liquid gas separation tube

31‧‧‧Liquid gas inlet

32‧‧‧Sewage outlet

321‧‧‧Sewage drainage tube

33‧‧‧Air outlet

331‧‧‧ horizontal section

332‧‧‧ rising section

34‧‧‧Second sewage drainage pipe

35‧‧‧Exhaust pipe

351‧‧‧ air outlet

4‧‧‧Water source

41‧‧‧ pump

Claims (8)

A water circulation device comprising at least: a diffusion member having a water inlet capable of introducing sewage, at least one air inlet for allowing outside air to flow in, and a discharge pipe, the sewage being sprayed into the diffusion member by the water inlet nozzle The inside is finely diffused to fully mix with the air flowing in the air inlet, and the impurities in the sewage are separated to form bubbles floating on the water surface, and the water containing the bubbles flows out from the outlet pipe; the water bubble shunt tube a middle portion is provided with a water bubble inlet port connected to the outlet tube, and an upwardly extending bubble outlet port for discharging air bubbles floating on the water surface and a downwardly extending water outlet port for deriving the impurity removal. a liquid-gas separation pipe having a liquid gas inlet port connected to the bubble outlet for introducing air bubbles flowing out of the water bubble branch pipe, a downwardly extending sewage outlet, and an air outlet port, After the bubble is crushed and ruptured, sewage and air containing high concentration impurities are formed, and the sewage is directly discharged downward from the sewage outlet, and at the same time, a large number of bubbles are broken. Raw air can also flow from the air outlet of the unidirectional. The water circulation device of claim 1, wherein the diffusion member is an upright tubular body, the water inlet nozzle is disposed at a top end of the diffusion member, and the air inlet is disposed at the water inlet Sideways, and the outlet tube is disposed at the bottom of the diffuser. The water circulation device of claim 2, wherein the middle portion of the diffuser is provided with at least one impact member having a dense through hole. The water circulation device of claim 3, wherein the through holes of the impact member are densely arranged in a honeycomb shape. The water circulation device according to claim 1, wherein the middle portion of the water inlet is horizontally disposed An auxiliary air inlet that can separately introduce external air into the sewage flowing through the water inlet. The water circulation device of claim 1, wherein the air outlet of the liquid-gas separation pipe is sequentially provided with a horizontal section and an upwardly extending rising section, and between the horizontal section and the rising section. A downwardly extending secondary sewage drain pipe is provided. The water circulation device of claim 6, wherein the sewage outlet of the liquid-gas separation pipe is connected to a sewage drainage pipe, and the secondary sewage drainage pipe is connected to the sewage drainage pipe. The water circulation device of claim 1, wherein the air outlet is connected to one end of an air outlet tube, and the other end of the air outlet tube is provided with an air outlet having an outer diameter.