KR19980033551A - Filtration - Google Patents

Abstract

The present invention enables the partial replacement of the media placed in the filter step by step to reduce the cost and minimize the replacement time, significantly reducing the repair cost, and to make it visible from the outside when the air layer generated in the filter to reduce the filtration efficiency It is to provide a filtration device that can prevent in advance and to take a safe action quickly, the first filter base plate and the second filter which is installed horizontally at a predetermined interval in the filtration tank to form an upper chamber, an intermediate chamber and a lower chamber A base plate, a plurality of strainers are respectively installed in the first and second filter base plate, activated carbon layer laminated on the upper chamber through the first filter base plate, gravel layer sequentially stacked on the intermediate chamber through the second filter base plate And a sand layer.

Description

Filtration

The present invention relates to a filtration apparatus for filtering dirty soil after supplying used water and then supplying the used water to a supply source, and in particular, to improve the arrangement of media disposed in the filter step by step. By making it possible to partially replace the media, the cost is reduced and the replacement time is minimized, which greatly reduces the maintenance cost, and when the air layer generated inside the filter is generated, it can be checked from the outside to prevent the decrease in filtration efficiency in advance and to take safety measures promptly. It relates to a filtration device that can be taken.

In general, swimming pools use tap water or ground water as used water, and they are economically used through chemical treatment such as filters without discarding them.

Similarly, tap water or ground water is used in department stores or large buildings as heads, and then it is economically used by treating it in a filter.

Water obtained by such a filter is filtered in the process of passing through the filter medium to be newly used as purified water.

As the filter medium is made of activated carbon, sand and gravel, and the like, the water is filtered in the process of passing through the filter medium, these filter media can be maintained after filtration efficiency must be replaced with a new part or whole.

The replacement cycle of the activated carbon is about 6 months in the above, sand and gravel is about 1 year, so the replacement cycle is different so that the media can be used economically only if the partial replacement.

On the other hand, the normal filtration in the filter can be filled with filter media and water to achieve satisfactory filtration, but the water obtained through the filter inevitably includes air bubbles depending on the conditions of pumping and temperature. As a result of the structure of the filter, air is collected in the upper part of the filtration tank, and if the air is not discharged, the layer of air diffuses and eventually the air is filled in the filter, and the filtration efficiency is drastically reduced. This causes secondary pollution. As a result, the filter is provided with a means for bleeding air.

1 is a front view of a conventional filter, Figure 2 shows an internal view of a conventional filter.

Reference numeral 12 denotes a filtration tank constituting the entire filter 10. The filter base plate 14 is installed in the lower part of the filtration tank 12, and a plurality of holes are formed in the filter base plate 14, through which a plurality of strainers 16 are installed.

On the upper portion of the strainer 16, the gravel layer 18, the sand layer 20, and the activated carbon layer 22, which are the media, are sequentially stacked with a predetermined height.

Reference numeral 24 denotes a water pump, pipe 1 (26), pipe 2 (28) and pipe 3 (30) connected to the water pump 24 when the filtered water W1 is supplied through the water pump 24. And flows into the upper portion of the filtration tank 12 through the inner pipe 4 32. Accordingly, the unfiltered water W1 is filtered through the activated carbon layer 22, the sand layer 20, and the gravel layer 18, which are filtered media, and falls into the lower chamber 34 through the strainer 16, and is connected thereto. The water W2 filtered through the outlet pipe 36 is supplied to a supply source (eg, a swimming pool). At this time, the valve 1 (38) and the valve 4 (44) is in the open state, the valve 2 (40), the valve 3 (42) and the valve 5 (46) is in a closed state.

On the other hand, when water is reversed to backwash the media 18, 20 and 22, valve 2 40 and valve 3 42 are opened, and valve 1 (38), valve 4 (44) and As the water pump 24 is driven with the valve 5 46 closed, the strainer 16 passes through the pipe 1 (26), the valve 2 (40), the outlet pipe (36), and the lower chamber (34). The filter medium is backwashed through the gravel layer 18, sand layer 20, and activated carbon layer 22, which are filter media, and drain pipe 2 through the inner pipe 4 (32) and the pipe 3 (30) valve 3 (42). It will be discharged out through 50.

On the other hand, when cleaning the media 18, 20 and 22, the valve 1 (38) and the valve 5 (46) are opened and the remaining valves 2 (40), 3 (42) and 4 (44) are opened. As the water pump 24 is driven in a closed state, the water pump 24 flows into the filtration tank 12 through the pipe 1 (26), the pipe 2 (28), the pipe 3 (30) and the inner pipe 4 (32). After passing through the activated carbon layer 22, sand layer 20 and the gravel layer 18 in order to wash and fall into the lower chamber 34 through the strainer 16, drain pipe 1 (48) branched to the outlet pipe 36 It will be discharged out through.

On the other hand, the upper portion of the filtration tank 12 is provided with an air discharge means 51 for automatically discharging air.

The air discharge means 51 is provided with a valve 53 installed in the air discharge pipe 52 communicating with the upper portion of the filtration tank 12 and a strainer 54 for filtering foreign matter, and the upper portion of the strainer 54. The float pipe 55 is installed, through which the air outlet 56 and the float device 57 is installed, one side of the air discharge pipe 52 is installed with a drain pipe 58 for manually removing air and water It is configured.

Accordingly, during operation of the filter 10, the air contained in the water is discharged out through the air outlet 56 in the process of the water is filled in the filtration tank 12 and filtered.

In the figure, reference numeral 59 denotes a post for fixing the filtration tank 12 to the bottom, 60 denotes a viewing window for checking the inside of the filtration tank 12, and 61, 62, and 63 are workers. Is a door for entering and exiting the filtration tank 12, 64 and 65 are pressure gauges for measuring the water inlet and outlet pressure, and 66 is a valve.

The conventional filter 10 constructed and operated as described above has the following problems.

That is, backwashing the media as described above using the water pump 24 to extend the years of use of the media. In this case, the media layers arranged in the gravel layer 18, sand layer 20, and activated carbon layer 22 from the bottom by the inverse are mixed with each other as shown in FIG. 22). In this case, the replacement cycle of activated carbon is about 6 months, and the sand and gravel are about 1 year, and the replacement cycles of these media are different and the parts must be replaced. As above, the media are mixed with each other to form a mixed media layer. This inevitably leads to the replacement of the media, which is very uneconomical.

Another problem is that it is difficult to confirm the air layer diffusion in the filtration tank 12 due to the blockage of the air outlet 56 of the air discharge means 51.

That is, the normal discharge of air during the operation of the filter 10 is the air generated in the filtration tank 12 because the float device 57 does not block the air discharge port 56 while the water is filled up to the float pipe 55. Will continue to exit. At this time, the strainer 54 filters out foreign matter. On the other hand, when the water rises to the floater pipe 55 above the water level, the float device 57 operates to block the air discharge port 56 to prevent the discharge of water.

However, if the air discharge port 56 is blocked by various conditions such as foreign matter not filtered by the strainer 54 in the continuous air discharge process, air is gradually diffused from the knitting pipe 55 to the upper layer of the structure of the filtration tank 12. As the air gathers and the air layer gradually diffuses as the air is not discharged outward, the air clogging phenomenon is not known at all from the outside, which greatly reduces the filtration efficiency of the filter 10, and also destroys activated carbon. Passing down, it causes secondary side contamination.

As described above, in the case of the conventional filter, it is impossible to partially replace the filter medium, which causes a lot of costs due to the replacement of the filter medium before the end of its service life, and it takes a long time due to the entire replacement of the filter medium. If the air outlet is clogged with frequent clogging phenomenon, it can be mistaken for no air generation if the air outlet is clogged. Therefore, degradation of filtration efficiency and accelerated damage of activated carbon will increase performance and maintenance costs.

The present invention has been devised to solve the problems of the prior art as described above, by enabling partial replacement of the media disposed in the filter step by step to minimize the cost reduction and replacement time, significantly reducing the maintenance cost, and occurs in the filter It is an object of the present invention to provide a filtration device that can be confirmed from the outside when the air layer is generated to prevent the decrease in filtration efficiency in advance and to take safety measures promptly.

In order to achieve the above object, the present invention provides a first filter base plate and a second filter base plate which are horizontally installed at a predetermined interval in the filtration tank to form an upper chamber, an intermediate chamber, and a lower chamber, and the first and second filters. A plurality of strainers are respectively installed on the base plate, the activated carbon layer is laminated on the upper chamber through the first filter base plate, characterized in that consisting of a gravel layer and a sand layer are sequentially stacked on the intermediate chamber through the second filter base plate.

1 is a front view of a conventional filter.

Figure 2 is an interior view of a conventional filter.

Figure 3 is a mixed state of the filter medium at the time of reversal of the conventional filter.

4 is a front view of the strainer of the present invention.

5 is an interior view of the strainer of the present invention.

Explanation of symbols for the main parts of the drawings

10 filter 12 filter tank

14a: first filter base plate 16, 54, 76, strainer

18a: gravel layer 20a: sand layer

22a: activated carbon layer 24: water pump

34: lower chamber 51: air discharge means

56: air outlet 70: upper chamber

72: intermediate chamber 74: second filter base plate

78: entrance 80: cover

82: air clogging check means 90: hollow shaft

92: 1st subdivision 94: 2nd subdivision

S1, S2: Magnet Switch

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In the description of the present invention, the same or equivalent parts as in the prior art will be described with the same reference numerals.

4 is a front view of the filter of the present invention, and FIG. 5 shows an inside view of the filter of the present invention.

As shown, the first filter base plate 74 and the second filter are installed horizontally at a predetermined interval in the filtration tank 12 to constitute the upper chamber 70, the intermediate chamber 72, and the lower chamber 34. A base plate 14a is provided, and a plurality of strainers 76 and 16 are respectively provided on the first filter base plate 74 and the second filter base plate 14a.

The activated carbon layer 22a is stacked on the upper chamber 70 through the first filter base plate 74, and the gravel layer 18a and the sand layer are sequentially stacked on the intermediate chamber 72 through the second filter base plate 14a. 20a is laminated | stacked and comprised.

In the center of the first filter base plate 74, the cover 80 is detachably installed as a fixing means for bolts in the entrance tube 78 through which the operator can enter and exit the intermediate chamber 72. The cover 80 is also provided with a strainer 76.

On the other hand, the air discharge means 51 installed in the upper portion of the filtration tank 12 to automatically discharge air is provided with air clogging confirmation means 82 for checking the blockage of the air discharge port 56.

The air clogging confirmation means 82, the vertically connected via the air discharge pipe 52 and the connecting pipe 84, the pipe 86, and is perpendicularly fixed to the knitting pipe (86) two signal lines ( 88 and (89) and the hollow shaft (90) for sealing the magnet switch (S1) (S2) connected to each, and the hollow shaft (90) is installed so as to move up and down according to the water level at a certain interval The magnet switch (S1) (S2) is made of a primary secondary outlet 92 and a secondary secondary hole (94) with a built-in magnet to check the air clogging.

According to the present invention configured as described above when the unfiltered water (W1) is supplied through the water pump 24, pipe 1 (26), pipe 2 (28), pipe 3 (30) and connected to the water pump 24 and It flows into the upper chamber 70 of the filtration tank 12 through the inner pipe 4 (32). Accordingly, the unfiltered water (W1) is first filtered through the strainer 76 while passing through the activated carbon layer 22a, which is a filter medium, and flows into the intermediate chamber 72. The sand layer 20a and the gravel layer 18a are again After passing through the strainer 16 and sequentially filtered through the lower chamber 34, the filtered water (W2) through the outlet pipe 36 connected thereto is supplied to the supply source (for example, the swimming pool). At this time, the valve 1 (38) and the valve 4 (44) is in the open state, the valve 2 (40), the valve 3 (42) and the valve 5 (46) is in a closed state.

On the other hand, when water is reversed to backwash the media 18a, 20a and 22a, the valves 2 40 and 3 3 42 are opened, and the valves 1 38 and 4 44 and As the water pump 24 is driven with the valve 5 46 closed, the strainer 16 passes through the pipe 1 (26), the valve 2 (40), the outlet pipe (36), and the lower chamber (34). After passing through the gravel layer (18a) and sand layer (20a) as a filter medium, the filter medium is backwashed through the activated carbon layer (22a) through a strainer 76, and the inner pipe 4 (32) and the pipe 3 (30) valve 3 It is discharged out through the drain pipe 2 (50) via (42).

On the other hand, when washing the media 18a, 20a and 22a, valves 1 (38) and 5 (46) are opened and the remaining valves 2 (40), 3 (42) and 4 (44) are opened. As the water pump 24 is driven in a closed state, the water pump 24 flows into the filtration tank 12 through the pipe 1 (26), the pipe 2 (28), the pipe 3 (30) and the inner pipe 4 (32). It is washed while passing through the activated carbon layer 22a, strainer 76, sand layer 20a, and gravel layer 18a, and falls into the lower chamber 34 through the strainer 16, and drained branched with the water extraction pipe 36. It will be discharged out through pipe 1 (48).

As described above, when backwashing the gravel layer 18a, sand layer 20a, and activated carbon layer 22a as media, the gravel layer 18a and the sand layer 20a are intermediate chambers 72 through the second filter base plate 14a. The activated carbon layer 22a is disposed in an independent form in the upper chamber 70 through the first filter base plate 74, so that the activated carbon layer at the time of back washing (or at the time of washing the filter medium) as in the prior art. 22a is not mixed with the gravel layer 18a and the sand layer 20a to form a mixed media layer.

Accordingly, the gravel layer 18a, sand layer 20a, and activated carbon layer 22a, which are the media, can be partially replaced in accordance with the replacement cycle, thereby guaranteeing years of use, and greatly reducing the cost of replacement. It will be possible to reduce the maintenance cost of replacement.

On the other hand, when the filter medium is replaced, the door 61 installed on the upper part of the filtration tank 12 is opened, the upper chamber 70 is opened, and the cover 80 installed on the first filter base plate 74 is opened to open the access pipe 78. Enter the intermediate chamber 72 through the gravel layer (18a), the sand layer 20a to replace the cover, then close the cover 80, replace the activated carbon layer (22a) and in the reverse order the operator opens the door (61) It can be exited from the filtration tank 12 through.

On the other hand, if air is formed in the filtration tank 12 in the filtration process of the filter 10, the air is automatically discharged by the air discharge means (51).

That is, the normal discharge of air during the operation of the filter 10 is the air generated in the filtration tank 12 because the float device 57 does not block the air discharge port 56 while the water is filled up to the float pipe 55. Will continue to exit. At this time, the strainer 54 filters out foreign matter. On the other hand, when the water rises to the floater pipe 55 above the water level, the float device 57 operates to block the air discharge port 56 to prevent the discharge of water.

However, if the air discharge port 56 is blocked by various conditions such as foreign matter not filtered by the strainer 54 in the continuous air discharge process, the water level is lowered as air is gradually diffused from the knitting pipe 55, thereby preventing this. In order to operate the air clogging confirmation means (82).

That is, as shown in FIG. 4, when the air is smoothly discharged to the air discharge port 56, the two primary outlets 92 and the secondary outlet 94 are moved upwards, such as virtual lines, by the water level. The magnets (not shown) embedded in the primary and second secondary holes 92 and 94 are spaced apart from the magnet switches S1 and S2 embedded in the hollow shaft 90, respectively. S1) S2 is not in the operating area.

Thereafter, the air discharge port 56 is blocked, and as the air layer gradually diffuses from the knitting pipe 86, the water level of the knitting pipe 86 is gradually lowered, so that the primary and second secondary holes 92 and 94 are solid lines. As the first descending hole 92 descends first in position and contacts the magnetic switch S1, the alarm is first alarmed to the alarm device (not shown) connected to the signal line 88 by air. The blockage of the discharge port 56 is notified to the outside. Subsequently, as the air layer gradually diffuses, the secondary outlet 94 descends and contacts the magnet switch S2, thereby sending a signal to the filter controller (not shown) connected to the second and the signal lines 89 secondly. Will stop the operation.

Air clogging confirmation means 82 confirms that the air discharge port 56 is blocked by foreign matters as described above, or the alarm or stop the operation of the filter 10 caused by the air layer diffusion in the filtration tank 12 The filtration efficiency can be prevented from being lowered to improve the filtration efficiency, and also the filter 10 can be operated very economically since the life can be extended (especially the activated carbon layer) by the efficient use of the media.

As described above, the present invention improves the arrangement of the media disposed in the filter, thereby enabling partial replacement of the media, thereby minimizing cost and minimizing replacement time, thereby greatly reducing maintenance costs and generating air layers generated in the filter. This can be confirmed from the outside to prevent the filtration efficiency decrease in advance and have the effect of taking safety measures promptly.

Claims (4)

The first filter base plate 74 and the second filter base plate 14a which are horizontally installed at a predetermined interval in the filtration tank 12 to constitute the upper chamber 70, the intermediate chamber 72, and the lower chamber 34. ), A plurality of strainers 76 and 16 installed in the first and second filter base plates 74 and 14a, respectively, Activated carbon layer 22a laminated on the upper chamber 70 through the first filter base plate 74, Filtration device, characterized in that consisting of a gravel layer (18a) and a sand layer (20a) which are sequentially stacked on the intermediate chamber 72 through the second filter base plate (14a). The first filter base plate (74) according to claim 1, characterized in that the entrance tube 78 and the cover (80), which allows the operator to enter and exit the intermediate chamber (72), are detachably installed by fixing means. Filtration device. According to claim 1, The air discharge means 51 is installed on top of the filtration tank 12 to automatically discharge air comprises air clogging confirmation means 82 for checking the clogging of the air outlet (56) Filtration device, characterized in that. The method of claim 3, wherein the air clogging confirmation means 82, A knitting pipe 86 vertically connected with an air discharge pipe 52 and a connecting pipe 84; A hollow shaft 90 vertically fixed to the knitting pipe 86 and a magnet switch S1 and S2 respectively sealed to the hollow shaft 90 and connected to two signal lines 88 and 89, respectively; Primary holes 92 having a magnet built therein so as to contact the magnet switches S1 and S2 to check air clogging by being installed to be moved up and down according to the water level at a predetermined interval on the hollow shaft 90. And a secondary secondary part (94).