JP3664853B2 - Double eductor water purification system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a water purification apparatus using an eductor.
[0002]
[Prior art]
An example of a conventional water purification apparatus is shown in FIG. 6 (longitudinal sectional view). A vertical pipe 2 having upper and lower ends is provided with a buoyancy material 10 on the upper outer periphery and a mooring line 8 at the lower end. Moored in a sinker 9 at the bottom of the water. An air chamber 7 surrounding the lower outer periphery of the conduit 2 is provided so as to open the lower end, and the lower edge of the air chamber 7 is set at a level lower than the lower edge of the conduit 2. Further, a compressed air feeding hose 3 is connected to the upper portion of the air chamber 7, and an air layer 7 a fed into the air chamber 7 through the hose 3 is formed. When the air layer 7a becomes deeper than the lower end of the conduit 2, the air flows into the conduit 2 and rises as bubbles 2a.
Accompanying this, water near the bottom of the water is transported upward, and the action of water mass exchange is performed, resulting in purification of the water area.
[0003]
Moreover, in the conventional water purification apparatus shown in FIGS. 7 (a) and 7 (b), the conduit 2 suspended from a ship or the like is held in an appropriate posture in water, When the impeller 14 is operated via the rotating shaft 17 in a drive system including the drive shaft 15 and the gear mechanism 6 or a drive system including the power feeding cable 25 and the motor 24, water flow is generated to purify the water area. ing.
[0004]
[Problems to be solved by the invention]
By the way, in the conventional water purification apparatus as described above, there is a problem that it is difficult to cause a wake actively and the efficiency of water purification does not increase.
Therefore, the present invention adopts a double eductor system in which internal eductors are arranged concentrically inside the water flow guide tube so that wakes can be actively generated and sufficient water purification efficiency can be obtained. It is an object of the present invention to provide a double eductor water purification device.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, a double eductor water purification device of the present invention comprises a water flow guide tube installed in water and open at both ends, and an internal eductor disposed concentrically inside the water flow guide tube. A double eductor, and a drive water supply system for sending drive water to the internal nozzle of the internal eductor and a water suction pipe for sending wake water to the internal eductor. It is characterized by being provided.
[0006]
Moreover, the double eductor type water purification apparatus of the present invention comprises a double eductor comprising a water flow guide tube installed in water and open at both ends, and an internal eductor disposed concentrically inside the water flow guide tube. In addition, a drive water supply system for sending drive water to the internal nozzle of the internal eductor and a water absorption pipe for sending wake water to the internal eductor are provided. A heat exchanger for cooling with water is provided.
[0007]
Furthermore, the double eductor-type water purification apparatus of the present invention comprises a double eductor comprising a water flow guide tube installed in water and open at both ends, and an internal eductor disposed concentrically inside the water flow guide tube. In addition, a drive water supply system that sends drive water to the internal nozzle of the internal eductor and a water absorption pipe that sends wake water to the inside of the internal eductor are provided to mix the required additives in the middle of the water absorption pipe. The additive storage tank is connected.
[0008]
Moreover, the double eductor type water purification apparatus of the present invention comprises a double eductor comprising a water flow guide tube installed in water and open at both ends, and an internal eductor disposed concentrically inside the water flow guide tube. A driving water supply system that sends driving water to the internal nozzle of the internal eductor and a water suction pipe that sends wake water to the inside of the internal eductor, and a gas supply pipe for dissolving gas in the driving water, It is connected to the drive water supply system.
[0009]
In the above-described double eductor-type water purification device of the present invention, the internal eductor arranged concentrically inside the water flow guide cylinder open at both ends, by the double eductor system in which driving water is fed into the internal nozzle, In addition to causing the wake accompanying the drive water in the internal eductor itself, the wake accompanying the water flow is also generated in the water flow guide cylinder by the water flow from the internal eductor, so that the drive water is supplied to the internal eductor. On the other hand, a large amount of wake is generated as a whole.
[0010]
And, when the moving means of the suction port of the suction pipe that sends the wake water to the inside of the internal eductor is provided, the required water mass exchange action is accurately performed, coupled with the occurrence of the large amount of wake, A significant improvement in water purification efficiency is expected.
[0011]
Further, when a heat exchanger for cooling the internal water of the water absorption pipe is provided in the middle of the water absorption pipe, the generation of a water flow flowing out as a wake of the internal eductor through the water absorption pipe is promoted, The water purification efficiency will be further improved.
[0012]
Furthermore, if an additive storage tank for mixing the required additive is connected in the middle of the water absorption pipe, the required pH (acid / alkaline) adjuster or algaecide during wake-up, if necessary, There is an advantage that drugs and the like can be mixed in a timely and appropriate manner without being biased over a wide range.
[0013]
Further, when the required gas (air, oxygen gas, ozone gas, etc.) is dissolved in the driving water by the gas supply pipe connected to the driving water supply system, the required gas is dissolved in the driving water. There is an advantage that it can be carried out instantaneously and efficiently, and the equipment can be made compact compared to the conventional gas dissolution method using aeration means.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIGS. 1 and 2 show a double eductor-type water purification apparatus as a first embodiment of the present invention, and FIG. FIG. 2 is a side view showing the overall configuration, FIG. 3 is a side view showing the overall configuration of a double eductor-type water purification apparatus as a second embodiment of the present invention, and FIG. 4 is a third embodiment of the present invention. FIG. 5 is a side view showing an overall configuration of a double eductor-type water purification device as a fourth embodiment of the present invention.
[0015]
First, a first embodiment of the present invention will be described. As shown in FIGS. 1 and 2, a water flow guide tube 401 having both ends open is horizontally installed in water through a gantry 413 seated on the bottom of the water.
[0016]
The inner eductor 301 covered with the casing 302 is concentrically disposed inside the water flow guide tube 401, and thus the wake b is generated in the water flow guide tube 401 by the water flow a from the inner eductor 301. As a whole, a double eductor is formed.
[0017]
The internal eductor 301 is connected to a driving water supply system 304 that sends driving water to the internal nozzle 301a, and is connected to a water absorption pipe 305 that sends wake water to the inside of the internal eductor 301. Is provided with a suction port 306 with a strainer.
[0018]
In addition, by forming the water suction pipe 305 with a flexible hose and attaching a buoyant material to the strainer-equipped suction port 306, the position of the suction port with the strainer 306 in water can be freely changed vertically as follows. Can be moved. That is, as shown in FIG. 2, the rope 406 a wound by the winder 406 on the carriage 410 is locked to the suction port 306 with the strainer via the eye 404 attached to the water flow guide tube 401. Accordingly, as the rope 405 is wound by the winder 406, the suction port 306 with the strainer descends in the water, and conversely, if the winder 406 unwinds the rope 405, the suction port 306 with the strainer rises in the water. It becomes like this.
[0019]
Drive water is supplied to the drive water supply system 304 by the pump 408 of the carriage 410, and a strainer 409 is also provided at the suction port of the pump 408.
The trolley 410 is moored by a mooring line 411 on a sinker 412 at the bottom of the water.
[0020]
In the first embodiment of the invention described above, the internal eductor 301 disposed concentrically inside the water flow guide tube 401 open at both ends is internally driven by a double eductor system in which driving water is fed into the internal nozzle 301a. In addition to causing the wake accompanying the drive water in the eductor 301 itself, the wake b accompanying the water flow a is also generated in the water flow guide tube 401 by the water flow a from the internal eductor 301. A large amount of wake is generated as a whole for the supply of driving water by the supply system 304.
[0021]
When the eye 404, the rope 405, and the winder 406 as moving means of the strainer-equipped suction port 306 of the water suction pipe 305 that sends the wake water to the inside of the internal eductor 301 are provided, the required water mass exchange action is accurately performed. In combination with the occurrence of a large amount of wakes, a significant improvement in water purification efficiency is expected.
[0022]
Next, a double eductor-type water purification apparatus as a second embodiment of the present invention will be described. As shown in FIG. 3, also in this embodiment, the water flow guide tube 401 whose both ends are open is seated on the bottom of the water. It is installed horizontally in the water via a frame 413.
And the internal eductor 301 (refer FIG. 1) is concentrically arrange | positioned inside the water flow guide pipe | tube 401 similarly to 1st Embodiment, and the double eductor is comprised as a whole.
[0023]
The internal eductor 301 is connected to a driving water supply system 304 that sends driving water to the internal nozzle 301a, and is connected to a water absorption pipe 305 that sends wake water to the inside of the internal eductor 301. A suction port with a strainer 306 is provided at the upper end of the.
Driving water is supplied to the driving water supply system 304 by the pump 408 of the carriage 410, and a strainer 409 is also provided at the suction port of the pump 408.
The trolley 410 is moored by a mooring line 411 on a sinker 412 at the bottom of the water.
[0024]
In the second embodiment, a heat exchanger 501 for cooling the internal water of the water absorption pipe 305 with external water is provided in the middle of the water absorption pipe 305 in particular.
[0025]
In the second embodiment configured as described above, a large amount of wake is generated as a whole by the double eductor method similar to the first embodiment described above, and particularly in the middle of the water absorption pipe 305, Since the heat exchanger 501 for cooling the internal water of the water absorption pipe 305 is provided, the generation of a water flow flowing out as the wake of the internal eductor 301 via the water absorption pipe 305 is promoted, and the water purification efficiency is further enhanced. Be able to.
[0026]
Next, a double eductor type water purification apparatus as a third embodiment of the present invention will be described. As shown in FIG. 4, this apparatus has the same configuration as that of the second embodiment described above, and further has a water absorption pipe. In the middle of 305, an additive storage tank 601 for mixing a required additive is connected via a pump 602, a valve 603 and a hose 604.
[0027]
In the third embodiment of the present invention described above, a large amount of wake is generated in the same way as in the second embodiment described above, and an efficient water purification operation is performed. Since the agent storage tank 601 is connected, it is possible to obtain an advantage that necessary pH (acid / alkaline) adjusting agents, algicidal agents, chemicals, and the like can be mixed in the wake as necessary and appropriately over a wide range without being biased.
[0028]
Next, a fourth embodiment of the present invention shown in FIG. 5 will be described. This embodiment has the same configuration as that of the third embodiment described above, and a static mixer 701 is interposed in the middle of the drive water supply system 304. In addition, a check valve 702 is interposed in front of the mixer 701, and a gas supply pipe (hose) 704 connected to the compressor 703 on the carriage 410 is connected between the mixer 701 and the check valve 702. Has been.
[0029]
In the fourth embodiment of the present invention described above, the same effects as those of the second and third embodiments described above can be obtained, and air and oxygen can be introduced into the driving water by the gas supply pipe 704 connected to the driving water supply system 304. The required gas such as gas and ozone gas can be efficiently dissolved, and there is an advantage that the equipment can be made compact as compared with the gas dissolution method using the conventional aeration means.
[0030]
【The invention's effect】
As described above in detail, according to the double eductor type water purification apparatus of the present invention, the following effects can be obtained.
(1) The internal eductor that is concentrically arranged inside the water flow guide cylinder that is open at both ends is fed with the driving water by the double eductor system in which the driving water is sent to the internal nozzle. In addition to generating a flow, the water flow from the internal eductor also causes a wake accompanying the water flow to the water flow guide cylinder, so that a large amount of wake is generated as a whole for the supply of driving water to the internal eductor. Will be born.
(2) When a means for moving the suction port of the suction pipe for sending the wake water to the inside of the internal eductor is provided, the required water mass exchange action can be performed accurately, coupled with the occurrence of the large amount of wake. A significant improvement in water purification efficiency is expected.
(3) If a heat exchanger for cooling the internal water of the water absorption pipe is provided in the middle of the water absorption pipe, the generation of a water flow that flows out as a wake of the internal eductor through the water absorption pipe is promoted. Water area purification efficiency will be further improved.
(4) If an additive storage tank for mixing the required additive is connected in the middle of the water absorption pipe, the required pH (acid / alkaline) conditioner or algaecide may be added during the wake as required. , It is possible to obtain an advantage that drugs and the like can be mixed in a timely and appropriate manner without bias.
(5) When the required gas (air, oxygen gas, ozone gas, etc.) is dissolved in the drive water by the gas supply pipe connected to the drive water supply system of the internal eductor, There is an advantage that the required gas can be instantly and efficiently dissolved, and the equipment can be made compact as compared with the conventional gas dissolution method using the aeration means.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view showing a main part of a double eductor water purification apparatus as a first embodiment of the present invention.
FIG. 2 is a side view showing the overall configuration of the double eductor water purification apparatus as the first embodiment of the present invention.
FIG. 3 is a side view showing an overall configuration of a double eductor water purification apparatus as a second embodiment of the present invention.
FIG. 4 is a side view showing an overall configuration of a double eductor water purification apparatus as a third embodiment of the present invention.
FIG. 5 is a side view showing an overall configuration of a double eductor water purification apparatus as a fourth embodiment of the present invention.
FIG. 6 is a longitudinal sectional view showing an example of a conventional water purification device.
FIGS. 7A and 7B are longitudinal sectional views showing another example of a conventional water purification apparatus.
[Explanation of symbols]
301 Internal eductor
301a Internal nozzle
302 casing
304 Drive water supply system
305 Water absorption pipe
306 Suction inlet with strainer
401 Water guide tube
404 eye
405 rope
406 Winder
408 pump
409 Strainer
410 trolley
411 mooring lines
412 sinker
413 mount
501 heat exchanger
601 Additive storage tank
602 pump
603 valve
604 hose
701 Static mixer
702 Check valve
703 Compressor
704 Gas supply pipe

Claims (4)

A double eductor consisting of a water flow guide tube installed in the water and open at both ends and an internal eductor disposed concentrically inside the water flow guide tube, and driving water is sent to the internal nozzle of the internal eductor. A double eductor-type water purification apparatus comprising a water supply system and a water suction pipe for sending wake water to the inside of the same eductor, and provided with a suction port moving means for the water suction pipe. A double eductor consisting of a water flow guide tube installed in the water and open at both ends and an internal eductor disposed concentrically inside the water flow guide tube, and driving water is sent to the internal nozzle of the internal eductor. A water supply system and a water absorption pipe that sends wake water to the inside of the internal eductor were provided, and a heat exchanger was installed in the middle of the water absorption pipe to cool the internal water of the water absorption pipe using external water. This is a double eductor water purification system. A double eductor consisting of a water flow guide tube installed in the water and open at both ends and an internal eductor disposed concentrically inside the water flow guide tube, and driving water is sent to the internal nozzle of the internal eductor. A water supply system and a water absorption pipe for sending wake water to the inside of the internal eductor are provided, and an additive storage tank for mixing a required additive is connected in the middle of the water absorption pipe. , Double eductor water purification system. A double eductor consisting of a water flow guide tube installed in the water and open at both ends and an internal eductor disposed concentrically inside the water flow guide tube, and driving water is sent to the internal nozzle of the internal eductor. A water supply system and a water absorption pipe for sending wake water to the inside of the internal eductor, and a gas supply pipe for dissolving gas in the drive water are connected to the drive water supply system. Double eductor water purification system.

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