CN214634644U - High-efficient quartz sand filter - Google Patents

Abstract

The utility model relates to a quartz sand filter equipment technical field especially relates to a high-efficient quartz sand filter. The filter cartridge comprises a filter cartridge seat, wherein a filter cartridge is arranged on the filter cartridge seat, an original water inlet pipe and a drain pipe are arranged at the bottom of the filter cartridge, a cleaning pipe is arranged at the upper end of the filter cartridge, an upper screen plate and a lower screen plate are respectively arranged at the upper part and the lower part of the filter cartridge, quartz sand is arranged between the upper screen plate and the lower screen plate, a backwashing pipe is arranged on the outer side surface of the upper part of the filter cartridge, a backwashing valve is arranged on the backwashing pipe, and the backwashing pipe is arranged between the upper surface of the quartz sand and the upper screen plate. This technical scheme is used for solving among the prior art quartz sand filter when carrying out the backwash, and tiny quartz sand granule is easily discharged together with sewage, causes the problem of quartz sand filter material loss to and the back flush effect is not good, long-term the use, easily leads to the problem that quartz sand hardens.

Description

High-efficient quartz sand filter

Technical Field

The utility model relates to a quartz sand filter equipment technical field especially relates to a high-efficient quartz sand filter.

Background

The quartz sand filter is mainly used for removing suspended matters in water, is matched with other water treatment equipment, is widely applied to various water treatment projects such as water supply purification, circulating water purification, sewage treatment and the like, utilizes quartz sand as a filter medium, filters water with higher turbidity through granular quartz sand with certain thickness under certain pressure, effectively intercepts and removes suspended matters, organic matters, colloidal particles, microorganisms, chlorine, odor, partial heavy metal ions and the like in the water, and finally achieves the effects of reducing the water turbidity and purifying the water quality.

However, in the application process of the quartz sand filter in the prior art, the following problems mainly exist: (1) the backwashing operation is difficult because when the backwashing strength is too high, fine particles of the quartz sand filter material can be brought out, and the loss of the quartz sand filter material is caused. (2) When the backwashing strength is too low, the larger quartz sand filter material at the lower part cannot be loosened, and if the backwashing strength is continued for a long time, the quartz sand is easily hardened, so that the filtering effect is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to the above-mentioned technique, the utility model aims to provide a high-efficient quartz sand filter for solve the quartz sand filter among the prior art when carrying out the backwash, tiny quartz sand granule easily leads to sewage and discharges together, causes the problem of quartz sand filter material loss, and the back flush effect is not good, long-term the use, easily leads to the problem that quartz sand hardens.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a high-efficient quartz sand filter, includes and strains the bobbin base, it strains a section of thick bamboo to be equipped with on the bobbin base, the bottom of straining a section of thick bamboo is equipped with former inlet tube and blow off pipe, the upper end of straining a section of thick bamboo is equipped with the net exit tube, it is equipped with otter board and lower otter board respectively to strain the upper and lower part of a section of thick bamboo, it is equipped with quartz sand to go up the otter board and be equipped with down between the otter board, strain and be equipped with the backwash pipe on the lateral surface of section of thick bamboo upper portion, be equipped with the backwash valve on the backwash pipe, the backwash pipe sets up between quartz sand upper surface and the otter board.

The working principle of the technical scheme is as follows:

inject into through former inlet tube with sewage and strain a section of thick bamboo in, sewage is from supreme slow to the top motion of straining a section of thick bamboo down, and the in-process sewage of moving can pass quartz sand, and quartz sand blocks the impurity in the sewage, has carried out impurity filtration to sewage promptly, and the sewage after the filtration moves to the upper portion of straining a section of thick bamboo, discharges through the net exit tube. After using the filter for a long time, open the backwash pipe and wash quartz sand, strike quartz sand through high-pressure rivers promptly, make quartz sand become fluffy, avoid quartz sand to harden, open the blow off pipe simultaneously, make its inside impurity discharge through the blow off pipe under the carrying of rivers.

Further inject, strain a barrel bottom and still be equipped with the sediment pipe, former inlet tube setting is served at the sediment pipe one, and the sediment pipe that gathers, strain and communicate between the former inlet tube, through sewage advance income sediment pipe, fill full sediment pipe back, then sewage is to straining the mode of a barrel internal movement gradually, makes in the sewage great impurity under the effect of gravity, drops to in the sediment pipe, realizes the filtration of great granule.

Further inject, collection sediment pipe includes one section return bend and one section straight tube, there is thick separating valve the connecting portion of return bend and straight tube through flange joint, the vertical installation down of one end of return bend, and be equipped with thick sediment lid at its tip, its beneficial part lies in, the vertical installation makes the intraductal impurity of collection sediment can collect the tip to the return bend under the effect of gravity and rivers of one end of return bend down, only need close thick separating valve when inside impurity is too much, can clear up the impurity in the return bend, does not influence this filter equipment's normal work.

Further limit, the outer wall of the lower part of the connecting end of the straight pipe and the original water inlet pipe is an inclined plane, and the straight pipe type water inlet pipe has the beneficial effects that the inclined plane can provide impurities with a downward sliding trend, so that the impurities can move towards the bent pipe end, and the collection of the impurities is facilitated.

Further inject, the upper and lower both ends of straining a section of thick bamboo are equipped with respectively and strain a section of thick bamboo lid and lower section of thick bamboo lid, the bottom of straining a section of thick bamboo lid down is the infundibulate, and communicates with the blow off pipe, go up and strain a section of thick bamboo lid and all adopt flange joint down with straining between the section of thick bamboo, and its beneficial effect lies in, the filter screen of straining an inside is cleared up and is changed in the setting of going up filter cylinder lid and lower filter cylinder lid, and the lower filter cylinder lid and the blow off pipe intercommunication of infundibulate are strained to the lower section of thick bamboo lid of funnel shape can be collected the impurity of washing out when back flush to strain an inside through the blow off pipe discharge.

The filter drum is characterized by further comprising an upper air pipe arranged on the upper filter drum cover and a lower air pipe arranged on the lower filter drum cover, wherein the upper air pipe and the lower air pipe are communicated with the interior of the filter drum.

Further inject, go up the otter board and constitute by otter board seat, filter plate, pressure otter board and leak protection net down, the inboard of otter board seat is equipped with annular lug, press the otter board with leak protection net and filter plate from last to fixing on the upper surface of annular lug down, its beneficial part lies in, when going up the otter board and setting up of otter board can avoid the backwash, rivers are carrying the quartz sand and are discharged a section of thick bamboo outside, cause the problem of quartz sand loss.

Further limit, the outside of quartz sand is equipped with a filter screen section of thick bamboo, a filter screen section of thick bamboo hugs closely in straining a section of thick bamboo inner wall, and strain a detachable connection with straining a section of thick bamboo, and its beneficial effect lies in, makes quartz sand put into strain a section of thick bamboo and take out and strain a section of thick bamboo more convenient.

The technical effects of the utility model are that:

(1) through set up otter board and lower otter board respectively in straining the upper and lower part of a section of thick bamboo, can effectually avoid when washing the operation to quartz sand, rivers carry quartz sand to strain a section of thick bamboo outside, cause the problem of quartz sand loss. (2) The setting of backwash pipe, last trachea and lower trachea can wash quartz sand water and gas and wash, can make quartz sand become fluffy, the condition that quartz sand hardens can not appear, can promote the filter effect of quartz sand.

Drawings

FIG. 1 is a schematic front view of a filter according to this embodiment;

FIG. 2 is a schematic top view of a filter according to this embodiment;

FIG. 3 is a schematic side view of a filter according to this embodiment;

fig. 4 is a schematic sectional view of an upper mesh plate and a lower mesh plate in this embodiment.

Reference numerals

1. The filter comprises a filter cylinder seat, 2. a slag collecting pipe, 3. a filter cylinder, 4. a lower screen plate, 5. an upper screen plate, 6. a filter cylinder cover, 7. a coarse slag cover, 8. an original water inlet pipe, 9. an original inlet valve, 10. a cleaning valve, 11. a cleaning outlet pipe, 12. a blow-off valve, 13. a blow-off pipe, 14. a coarse separation valve, 15. a backwashing pipe, 16. a backwashing valve, 17. quartz sand, 18. a lower air pipe, 19. an upper air pipe, 20. a screen plate seat, 21. a filter screen plate, 22. a press screen plate and 23. a leakage-proof screen.

Detailed Description

The following is further detailed by way of specific embodiments:

as shown in fig. 1, 2 and 3, a high-efficiency quartz sand filter mainly comprises a filter cartridge on a filter cartridge seat 1 of a mounting seat, wherein a raw water inlet pipe 8 and a sewage discharge pipe 13 which are communicated with the filter cartridge are arranged at the bottom of the filter cartridge, a raw water inlet valve 10 and a sewage discharge valve 12 are respectively arranged on the filter cartridge and the sewage discharge pipe, a cleaning outlet pipe 11 is arranged at the upper end of the filter cartridge, a cleaning outlet valve 10 is arranged on the cleaning outlet pipe 11, quartz sand 17 for intercepting impurities in sewage is arranged inside the filter cartridge, in order to avoid waste caused by the fact that the quartz sand 17 is carried by water flow in the filter cartridge, an upper mesh plate 5 and a lower mesh plate 4 are respectively arranged at the upper part and the lower part of the filter cartridge, in order to wash the quartz sand 17, a backwashing pipe 15 is arranged on the outer side surface of the filter cartridge, a backwashing valve 16 is arranged on the backwashing pipe 15, the water outlet end of the backwashing pipe 15 is positioned at the upper part of the filter cartridge, and the water outlet end is preferably directed to the middle part of the upper surface of the quartz sand 17.

The upper end and the lower end of the filter cylinder are respectively provided with an upper filter cylinder cover 6 and a lower filter cylinder cover, the upper filter cylinder cover 6 and the lower filter cylinder cover are connected with the filter cylinder through flanges, and the filter cylinder has the beneficial effects that the filter screen inside the filter cylinder is convenient to clean and replace due to the connection of the upper filter cylinder cover 6 and the lower filter cylinder cover. And the outside at quartzy sand 17 is equipped with filter screen cylinder 3, and filter screen cylinder 3 hugs closely and strains a section of thick bamboo inner wall, and with strain a detachable connection of section of thick bamboo, its beneficial part lies in, makes quartzy sand 17 put into and strain a section of thick bamboo and take out and strain a section of thick bamboo more convenient.

In order to further improve the washing effect of the quartz sand 17, the upper air pipe 19 on the upper filter cylinder cover 6 and the lower air pipe 18 arranged on the lower filter cylinder cover are communicated with the interior of the filter cylinder, and the upper air pipe 19 and the lower air pipe 18 are communicated with the interior of the filter cylinder, so that the filter cylinder is injected through the lower air pipe 18 during backwashing, air enters liquid to form air flow, and in the upward movement process of the air flow, because the air flow has strong carrying capacity for impurities, the impurities in the quartz sand 17 can be carried out and discharged through the drain pipe 13, and meanwhile, the pressure air can enable the quartz sand 17 to become fluffy, thereby improving the backwashing effect.

Still including straining a collection sediment pipe 2 of cartridge bottom installation in this filter, former inlet tube 8 sets up in collection sediment pipe 2 one serve, and collection sediment pipe 2, strain and communicate between the former inlet tube 8, advance into collection sediment pipe 2 through sewage, fill after full collection sediment pipe 2, then sewage is to straining the mode of an inside motion gradually, makes great impurity in the sewage under the effect of gravity, drops to collection sediment pipe 2 in, realizes the filtration of great granule. Slag collecting pipe 2 includes one section return bend and one section straight tube, the connecting portion of return bend and straight tube have thick valve 14 that separates through flange joint, the vertical installation down of one end of return bend, and be equipped with thick sediment lid 7 at its tip, its beneficial part lies in, the vertical installation makes the impurity in the slag collecting pipe 2 can collect the tip to the return bend under the effect of gravity and rivers of the one end of return bend down, only need close thick valve 14 that separates when inside impurity is too much, can clear up the impurity in the return bend, do not influence this filter equipment's normal work.

Preferably, the outer wall of the lower part of the connecting end of the straight pipe and the original water inlet pipe 8 is an inclined surface, and the inclined surface can provide impurities with a downward sliding tendency, so that the impurities can move towards the bent pipe end, and the collection of the impurities is facilitated.

As shown in fig. 4, in this embodiment, each of the upper screen plate 5 and the lower screen plate 4 is composed of a screen plate seat 20, a filter screen plate 21, a screen pressing plate 22 and a leakage-proof screen 23, an annular bump is disposed on the inner side of the screen plate seat 20, and the screen pressing plate 22 fixes the leakage-proof screen 23 and the filter screen plate 21 on the upper surface of the annular bump from top to bottom, which is beneficial in that the arrangement of the upper screen plate 5 and the lower screen plate 4 can avoid the problem that water flow carries the quartz sand 17 to be discharged out of the filter cartridge during back washing, which causes loss of the quartz sand 17.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (8)

1. The efficient quartz sand filter is characterized in that an upper screen plate and a lower screen plate are respectively arranged at the upper part and the lower part of the filter cylinder, quartz sand is arranged between the upper screen plate and the lower screen plate, a backwashing pipe is arranged on the outer side surface of the upper part of the filter cylinder, a backwashing valve is arranged on the backwashing pipe, and the backwashing pipe is arranged between the upper surface of the quartz sand and the upper screen plate.

2. The high efficiency quartz sand filter of claim 1, wherein the bottom of the filter cartridge is further provided with a slag collecting pipe, the original water inlet pipe is arranged at one end of the slag collecting pipe, and the slag collecting pipe, the filter cartridge and the original water inlet pipe are communicated with each other.

3. The high efficiency quartz sand filter according to claim 2, wherein the slag collecting pipe comprises a section of bent pipe and a section of straight pipe, the connecting part of the bent pipe and the straight pipe is connected with a coarse separation valve through a flange, one end of the bent pipe is vertically installed downwards, and a coarse slag cover is arranged at the end part of the bent pipe.

4. The high efficiency quartz sand filter of claim 3, wherein the lower outer wall of the connection end of the straight pipe and the original water inlet pipe is an inclined surface.

5. The high efficiency quartz sand filter of claim 1, wherein the upper and lower ends of the filter cartridge are respectively provided with an upper filter cartridge cover and a lower filter cartridge cover, the bottom of the lower filter cartridge cover is funnel-shaped and is communicated with a sewage drain pipe, and the upper filter cartridge cover and the lower filter cartridge cover are connected with the filter cartridge through flanges.

6. The high efficiency quartz sand filter of claim 5, further comprising an upper air pipe disposed on the upper filter cartridge cover and a lower air pipe disposed on the lower filter cartridge cover, the upper and lower air pipes communicating with the interior of the filter cartridge.

7. The high efficiency quartz sand filter of claim 1, wherein the upper screen plate and the lower screen plate are each composed of a screen plate seat, a filter screen plate, a screen pressing plate and a leakage-proof screen, the inner side of the screen plate seat is provided with an annular projection, and the screen pressing plate fixes the leakage-proof screen and the filter screen plate on the upper surface of the annular projection from top to bottom.

8. The high efficiency quartz sand filter of claim 1, wherein a screen cylinder is disposed outside the quartz sand, and the screen cylinder is closely attached to the inner wall of the filter cylinder and detachably connected to the filter cylinder.

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