CN201346413Y - Filtering device - Google Patents

Filtering device Download PDF

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Publication number
CN201346413Y
CN201346413Y CNU200920049805XU CN200920049805U CN201346413Y CN 201346413 Y CN201346413 Y CN 201346413Y CN U200920049805X U CNU200920049805X U CN U200920049805XU CN 200920049805 U CN200920049805 U CN 200920049805U CN 201346413 Y CN201346413 Y CN 201346413Y
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CN
China
Prior art keywords
tank body
sand
rectangular pyramid
thin plate
cone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU200920049805XU
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Chinese (zh)
Inventor
姚明建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGZHOU ADVANCE ENVIRONMENT TECHNOLOGY Co Ltd
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GUANGZHOU ADVANCE ENVIRONMENT TECHNOLOGY Co Ltd
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Priority to CNU200920049805XU priority Critical patent/CN201346413Y/en
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Publication of CN201346413Y publication Critical patent/CN201346413Y/en
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Abstract

A filtering device comprises a tank body, a water inlet pipe, a water outlet pipe, a compressed air tube, an air-water separator, a sand lifting tube and a sand washer, wherein, the compressed air tube is positioned at the bottom of the tank body and connected with the tank body; the sand washer is positioned at the upper part in the tank body; the air-water separator is arranged at the lower part in the tank body and connected with the sand washer through the sand lifting tube; the upper part of the tank body is in cylinder or cube shape; the lower part of the tank body is in cone or right rectangular pyramid shape; the air-water separator is made into a bottomless coniform thin plate or a right rectangular pyramid thin plate, and a cone angle is larger than or equal to 45 DEG and is smaller than or equal to 120 DEG; the sand washer comprises an outer cavity and an inner cavity; the outer cavity is communicated with the tank body; the inner cavity is in sealed connection with the sand lifting tube; the inner cavity is equipped with a cyclone sand washer; the cyclone sand washer is equipped with blades; the range of the included angle of each blade and a plane is between 20 DEG and 80 DEG; and the number of the blades ranges from 2 to 20. The filtering device has the characteristics of simple structure, good sand washing effect, convenient operation and debugging, and stable property.

Description

A kind of filter plant
Technical field
The utility model relates to a kind of filter apparatus for filtering liquid, is specifically related to a kind of Continuous Flow filter plant that is applied to purification of water quality.
Background technology
Filtration is to make water for industrial use and domestic water reach the extremely important control techniques of health, safety.In the prior art, the mode of generally utilize filtering further purifies water, make water pass through filter material layer after, the fine particle impurity in the water is dammed to get off, make water further be clarified and purify.Filtration can also make organic substance in the water, bacterium, virus etc. be removed in a large number along with the reduction of turbidity, therefore, and the quality of the water after the good and bad directly influence processing of filtration.Existing water filtration device; usually all adopt as various filter tanks, filter etc. and to filter the method for operation that periodically replaces with the filter sand backwash; for guaranteeing the backwash of big intensity; need the clear water deposit of big volume or other many lattice filter tank so that the backwash water to be provided; when filtered water contains colloid and organic substance; it is clean fully that filter sand only depends on washing to be difficult to; usually also increase the compressed air washed-out sand in addition; because high strength ground backwash filter sand at short notice; need to be equipped with fairly large compressed air, thereby compressed-air actuated utilization rate is lower.On this basis, develop a lot of Continuous Flow filters in recent years both at home and abroad, but since structural limitation, ubiquity filter effect instability, and washed-out sand is not thorough, commissioning test difficulty, the more high defective of cost.Though existed for many years, do not promoted the use on a large scale.
Therefore, at the prior art deficiency, provide a kind of filter plant simple in structure, that washed-out sand is effective, convenience, stable performance are debugged in operation very necessary.
Summary of the invention
At the prior art deficiency, the utility model be to provide a kind of simple in structure, washed-out sand is effective, the operation debugging is convenient, the Continuous Flow filter that is used for purification of water quality of stable performance.
Above-mentioned purpose of the present utility model realizes by following technical proposal:
A kind of Continuous Flow filter plant that is used for purification of water quality, comprise tank body, the water inlet pipe and the outlet pipe that link to each other with described tank body, be provided with the filter sand layer in the described tank body, described filter plant also comprises compressed air hose, moisture trap, sand extraction tube and washed-out sand device, described compressed air hose is positioned at described tank base and is connected with described tank body, described washed-out sand device is positioned at the top of described tank body, bottom in the described tank body is provided with moisture trap, and described moisture trap is connected by described sand extraction tube with described washed-out sand device.
Preferably, the top of described tank body is set to cylinder, and the bottom of described tank body is set to cone, and the bottom surface radius of described cylindrical bottom surface radius and described cone equates that described cylinder and described cone are tightly connected.
Further, the cone angle of the cone of described tank body bottom is more than or equal to 45 degree and smaller or equal to 120 degree.
Another is preferred, the top of described tank body is set to tetragonal body, the bottom of described tank body is set to positive rectangular pyramid, and the foursquare length of side in the bottom surface of described tetragonal body equates that with the foursquare length of side in the bottom surface of described positive rectangular pyramid described tetragonal body and described positive rectangular pyramid are tightly connected.
Further, the cone angle of the positive rectangular pyramid of described tank body bottom is more than or equal to 45 degree and smaller or equal to 120 degree, the mid point that described cone angle is meant foursquare two opposite side in the bottom surface of described positive rectangular pyramid respectively with the angle of the line on the summit of described positive rectangular pyramid.
Preferred, described moisture trap is set to not have the conical thin plate or the positive rectangular pyramid shape thin plate at the end, the opening of described thin plate and the cone of described tank body bottom or just the opening of rectangular pyramid is opposite.
Further, the cone angle of the conical thin plate of described moisture trap or positive rectangular pyramid thin plate is more than or equal to 45 degree and smaller or equal to 120 degree.
Another is preferred, has the slit between the conical thin plate of described moisture trap or positive rectangular pyramid thin plate and the described tank body bottom, and the width in described slit is 80-400mm.
Another is preferred, described washed-out sand device comprises exocoel and inner chamber, described exocoel is communicated with described tank body, described inner chamber and described sand extraction tube are tightly connected, described inner chamber is provided with the whirlwind sand-washing device, described whirlwind sand-washing device is provided with blade, and the angular range of described blade and horizontal plane is between 20 degree and 80 degree, and described blade quantity is 2 to 20.
Another is preferred, the compressed air that enters by described compressed air hose for continuously, interruption or pulse supply with.
The filter plant that the utility model provides, owing to be provided with moisture trap, sand extraction tube and washed-out sand device in tank interior, and moisture trap is arranged on the tank body bottom, and the washed-out sand device is arranged on top, and both connect by sand extraction tube.The tank body upper design is designed to cone for the cylinder bottom, perhaps the tank body upper design is designed to positive rectangular pyramid for the tetragonal body bottom, simultaneously moisture trap is set to not have the conical thin plate or the positive rectangular pyramid shape thin plate at the end, the opening of described thin plate and the cone of described tank body bottom or just the opening of rectangular pyramid is opposite.Therefore, moisture trap is divided into two parts up and down with filter, form first filtering area between the tapering part of filter bottom and the moisture trap thin plate, the top of moisture trap thin plate is second filtering area of filter, when using for the first time, set in advance sand in first filtering area and second filtering area, enter the filtration of water in the tank body through first filtering area and second filtering area after, discharge by outlet pipe.Whole filter plant is simple in structure, does not have complicated water distribution system.
A kind of filter plant that the utility model provides, characteristics such as a large amount of dirts in the pending water are dammed at first filtering area, and are in time taken out of by compressed air, have good purification, and the cycling rate of washed-out sand is few, and equipment attrition is little.Water to be filtered enters filter from tank base, simultaneously compressed air also from tank base continuously or the input that is interrupted, the gas vertical lifting, and moisture trap is designed to coniform or positive rectangular pyramid shape thin plate, therefore, the suspension that dams, jelly and the glutinous sand grains that suspension and jelly arranged will be collected the back by the moisture trap thin plate enter sand extraction tube along the inwall of thin plate.In uphill process, the sand grains of glutinous band pollutant will obtain the part washing, until the washed-out sand device.In the washed-out sand device, further washed by the whirlwind sand-washing device, fall into the exocoel of sand-washing device, with the filtered water counter current contacting that rises, thoroughly clean.Dirt such as suspension, colloid enters the blowdown chamber with the rising filtered water, discharges by blow-off pipe.Owing to adopt the whirlwind sand-washing device, and therefore the angular range of the blade of whirlwind sand-washing device and horizontal plane, has good washed-out sand effect between 20 degree and 80 degree.The filter plant that the utility model provides has solved the problem that water filtration and filter sand clean simultaneously, and is in the process of filtering filter sand to be carried out wash cycles, efficiently solves the difficult problem that filter sand cleans in the prior art.
The filter plant that the utility model provides, the compressed air that enters by described compressed air hose for continuously, interruption or pulse supply with, and utilizes the different flowing property of gas-liquid to separate, and not only simplifies water distribution, improve filter effect, can also be interrupted the air feed washing simultaneously.Can be according to the needs flexible modulation compressed air of purification of water quality, easy to use, and can realize compressed-air actuated effective utilization, system is more economically.
The design of whirlwind sand-washing device improves and has simplified the washed-out sand Design of device, improves operation stability simultaneously, and processing, making are more prone to.
Because simple in structure, and the filtration washed-out sand is integrated, and the utility model has been succeedd in engineering and has been used.
Description of drawings
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of filter plant of the present utility model;
Fig. 2 is the schematic diagram of whirlwind sand-washing device among Fig. 1;
Fig. 3 is the vertical view of Fig. 2.
The specific embodiment
In conjunction with the following drawings the utility model is further described.
As shown in Figure 1, a kind of Continuous Flow filter plant that is used for purification of water quality of the present utility model comprises tank body 1, moisture trap 2, sand extraction tube 3 and washed-out sand device 4.The bottom of tank body 1 is provided with bearing 14, and the bottom of tank body 1 is provided with water inlet pipe 15 and compressed air hose 16, and pending water enters from water inlet pipe 15 in the tank body 1 of filter plant, and simultaneously compressed air also from compressed air hose 16 continuously or be interrupted and enter.Outlet pipe 17 is arranged at the top of tank body 1, and water is after filtering discharged from outlet pipe 17 by water outlet weir plate 170.
Tank body 1 top is set to cylinder 11, and the bottom is set to cone 12, and the bottom surface radius of described cylinder 11 and the bottom surface radius of described cone 12 equate that described cylinder 11 is tightly connected with described cone 12.Tank body 1 bottom is set to cone 12, can give full play to compressed-air actuated potentiality, and tank body 1 top is set to cylinder 11, is guaranteeing can to realize once filtering more water under the prerequisite that filter plant is effectively worked.The bottom surface radius of cylinder 11 and the bottom surface radius of described cone 12 equate, guarantee that the two can effectively connect.
In actual the use, the top of tank body 1 is set to tetragonal body as required, the bottom of tank body 1 is set to positive rectangular pyramid, the foursquare length of side in bottom surface of tetragonal body is equated with the foursquare length of side in the bottom surface of described positive rectangular pyramid, described tetragonal body and described positive rectangular pyramid are tightly connected, also can reach above-mentioned cylinder and combine same effect with circular cone.
Bottom in the tank body 1 is provided with moisture trap 2, and top is provided with washed-out sand device 4, connects by sand extraction tube 3 between moisture trap 2 and the washed-out sand device 4.Moisture trap 2 is set to not have the conical thin plate or the positive rectangular pyramid shape thin plate at the end, the opening of described thin plate and the cone 12 of described tank body 1 bottom or just the opening of rectangular pyramid is opposite.There is the slit between the cone 12 of the thin plate of moisture trap 2 and described tank body 1 bottom.Moisture trap 2 is separated into two parts up and down with filter plant, form first filtering area 80 between the tapering part 12 of filter bottom and the thin plate of moisture trap 2, the top of the thin plate of moisture trap 2 is second filtering area 81 of filter, when using for the first time, set in advance filter sand 6 in first filtering area 80 and second filtering area 81.After entering the filtration of water through two filtering area filter sands 6 of filter plant, discharge through drainpipe 17.
Moisture trap 1 is designed to taper shape or positive rectangular pyramid shape structure, the pyramidal structure that cooperates tank body 1 bottom, when pending water and compressed air simultaneously when tank body 1 bottom enters first filtering area 80, because compressed air vertically upward, driving pending water also upwards springs up, moisture trap 2 thin plates can be to resistance of water generates, the thin plate of moisture trap 2 is designed to taper shape or positive rectangular pyramid shape can make suspension in the water and colloid and the glutinous sand grains that suspension and jelly arranged be subjected to behind its resistance inwall along thin plate to the polymerization of vertex of a cone direction, enters washed-out sand device 4 through sand extraction tube 3.Water after first filtering area 80 filters then enters second filtering area 81 on moisture trap 2 thin plate tops from the slit of the cone 12 of the thin plate of moisture trap 2 and described tank body 1 bottom, after second filtering area 81 filtered, the water after the processing was then discharged through outlet pipe 17.
Preferably, the cone angle A of the cone 12 of tank body 1 bottom is more than or equal to 45 degree and smaller or equal to 120 degree, and the cone angle B of the conical thin plate of moisture trap 2 or positive rectangular pyramid thin plate can guarantee filter effect preferably more than or equal to 45 degree and smaller or equal to 120 degree.
In actual the use, when if tank body 1 bottom is set to positive rectangular pyramid, this moment, just the preferable range of the cone angle of rectangular pyramid also was more than or equal to 45 degree and smaller or equal to 120 degree, the mid point that described cone angle is meant foursquare two opposite side in the bottom surface of described positive rectangular pyramid respectively with the angle of the line on the summit of described positive rectangular pyramid, can realize filter effect preferably.
Preferably, the gap width of the conical thin plate of described moisture trap 2 or positive rectangular pyramid thin plate and described tank body 1 bottom is 80-400mmm, can guarantee that the water after first filtering area 80 filters enters second filtering area 81, the filter sand 6 that can guarantee second filtering area 81 again returns in first filtering area 80 by this slit, realizes the circulation of filtrate.
As Fig. 1, Fig. 2 and shown in Figure 3, described washed-out sand device 4 comprises exocoel 42 and inner chamber 41, described exocoel 42 is communicated with described tank body 1, described exocoel 72 is tightly connected with dirt discharge groove 5, the bottom of seal groove 5 is provided with blow-off pipe 51, described inner chamber 41 is tightly connected with described sand extraction tube 3, and described inner chamber 41 is provided with whirlwind sand-washing device 410, and described whirlwind sand-washing device 410 is provided with blade 411.
After suspension in the water and colloid and the glutinous sand grains that suspension and jelly arranged enter whirlwind sand-washing device 410 by sand extraction tube 3, after the blade 411 of rotation cleans, sand grains falls in the exocoel 42 of washed-out sand device 4, because exocoel 42 is communicated with described tank body 1, with the filtered water counter current contacting that rises, thoroughly clean, the sand grains of cleaning falls into the second filtrate district 81 on tank body 1 top.Dirt such as suspension, colloid enters in the blowdown chamber 5 with the filtered water that rises, by blow-off pipe 51 dischargings.
Preferably, the angular range of described blade 411 and horizontal plane is between 20 degree and 80 degree.When described angle was spent less than 20, though can obtain stronger clean result, resistance was big, influenced the washed-out sand circulation, and the danger of obstruction is arranged; When described angle was spent greater than 80, washed-out sand intensity weakened, do not wash clean, and in the back scrubbing sandpipe that falls easily.
Preferably, the quantity of described blade 411 is 2 to 20, can take into account the volume of washed-out sand effect and whirlwind sand-washing device 410 simultaneously.
Another is preferred, the compressed air that enters by described compressed air hose 16 for continuously, interruption or pulse supply with, like this can be according to the needs flexible modulation compressed air of purification of water quality, easy to use, and can realize compressed-air actuated effective utilization, system more economically.
The concrete course of work of a kind of filter plant of the utility model is as follows:
Water to be filtered enters tank body 1 from the water inlet pipe 15 of tank body 1 bottom, and compressed air enters from compressed air hose 16 simultaneously, and first filtering area 80 places of moisture trap 2 bottoms of the bottom in tank body 1 are the mixture of compressed air, water, filtration filtrate.Because compressed-air actuated cause, gas shows as the fluidised form based on vertical lifting, simultaneously because the overfall of washed-out sand device 4 is lower than the height of effluent weir 170, therefore suspension and the colloid that is trapped and stick the sand grains that suspension and colloid are arranged and to be collected the back by the thin plate of moisture trap 2 and be entered sand extraction tube 3 along the thin plate inwall, the slit that most water will approach bottoms by cone 12 parts and the moisture trap 2 of tank body 1 bottom enters second filtering area 81 on the thin plate top of moisture trap 2, gas in this process, the suspension that dams, pollutant major parts such as colloid are brought to the thin from the plate bottom of moisture trap 2 by gas, in company with filtered water, compressed air, the sand grains of adhesive tape dirt enters sand extraction tube 3 together, in uphill process, the sand grains of glutinous band pollutant will obtain the part washing, until washed-out sand device 4.In washed-out sand device 4, further washed by whirlwind sand-washing device 410, fall into the exocoel 42 of sand-washing device, with the filtered water counter current contacting that rises, thoroughly clean.Dirt such as suspension, colloid enters dirt discharge groove 5 with the rising filtered water, by blow-off pipe 51 dischargings.
The sewage that enters second filtrate district 81 is further purified, and by delivery pipe 17 dischargings, the filter sand of cleaning through whirlwind sand-washing device 410 returns second filtrate district 81 by downflow weir 170.Filter sand in the second filtrate district 81 by moisture trap 2 thin plate and the slit between the tapering part of tank body 1 bottom return first filtering area 80, form the filtrate circulation.
Under same compressed air quantity delivered, when the water inlet suspension, when colloid is too much, the bottom holding filth capacity is big, and the fluid relative density diminishes in the sand extraction tube 3, and the pressure reduction increase with tank body 1 filtering area can strengthen the washed-out sand circulation automatically.
Should be noted that at last: above embodiment is only in order to the explanation the technical solution of the utility model; but not to the restriction of the utility model protection domain; although the utility model has been done detailed explanation with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement this practical technical scheme, and not break away from the essence and the scope of technical solutions of the utility model.

Claims (10)

1, a kind of filter plant, comprise tank body, the water inlet pipe and the outlet pipe that link to each other with described tank body, be provided with the filter sand layer in the described tank body, it is characterized in that: described filter plant also comprises compressed air hose, moisture trap, sand extraction tube and washed-out sand device, described compressed air hose is positioned at described tank base and is connected with described tank body, described washed-out sand device is positioned at the top of described tank body, bottom in the described tank body is provided with moisture trap, and described moisture trap is connected by described sand extraction tube with described washed-out sand device.
2, filter plant according to claim 1, it is characterized in that: the top of described tank body is set to cylinder, the bottom of described tank body is set to cone, and the bottom surface radius of described cylindrical bottom surface radius and described cone equates that described cylinder and described cone are tightly connected.
3, filter plant according to claim 2 is characterized in that: the cone angle of the cone of described tank body bottom is more than or equal to 45 degree and smaller or equal to 120 degree.
4, filter plant according to claim 1, it is characterized in that: the top of described tank body is set to tetragonal body, the bottom of described tank body is set to positive rectangular pyramid, the foursquare length of side in the bottom surface of described tetragonal body equates that with the foursquare length of side in the bottom surface of described positive rectangular pyramid described tetragonal body and described positive rectangular pyramid are tightly connected.
5, filter plant according to claim 4, it is characterized in that: the cone angle of the positive rectangular pyramid of described tank body bottom is more than or equal to 45 degree and smaller or equal to 120 degree, the mid point that described cone angle is meant foursquare two opposite side in the bottom surface of described positive rectangular pyramid respectively with the angle of the line on the summit of described positive rectangular pyramid.
6, according to claim 1 or 2 or 4 described filter plants, it is characterized in that: described moisture trap is set to not have the conical thin plate or the positive rectangular pyramid shape thin plate at the end, the opening of described thin plate and the cone of described tank body bottom or just the opening of rectangular pyramid is opposite.
7, filter plant according to claim 6 is characterized in that: the cone angle of the conical thin plate of described moisture trap or positive rectangular pyramid thin plate is more than or equal to 45 degree and smaller or equal to 120 degree.
8, filter plant according to claim 6 is characterized in that: have the slit between the conical thin plate of described moisture trap or positive rectangular pyramid shape thin plate and the described tank body bottom, the width in described slit is 80-400mm.
9, filter plant according to claim 1, it is characterized in that: described washed-out sand device comprises exocoel and inner chamber, described exocoel is communicated with described tank body, described inner chamber and described sand extraction tube are tightly connected, described inner chamber is provided with the whirlwind sand-washing device, described whirlwind sand-washing device is provided with blade, and the angular range of described blade and horizontal plane is between 20 degree and 80 degree, and described blade quantity is 2 to 20.
10, filter plant according to claim 1 is characterized in that: the compressed air that enters by described compressed air hose for continuously, interruption or pulse supply with.
CNU200920049805XU 2009-01-08 2009-01-08 Filtering device Expired - Lifetime CN201346413Y (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102921201A (en) * 2012-10-26 2013-02-13 江苏通用环保集团有限公司 Air sand extraction device for horizontal flow aeration grit chamber sand sucker
CN106241864A (en) * 2016-07-21 2016-12-21 攀钢集团攀枝花钢铁研究院有限公司 Acidolysis pot and the acid hydrolysis method of titaniferous material
CN109092554A (en) * 2018-06-12 2018-12-28 张日养 Cross-flow sand mud washs isolated method and device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102921201A (en) * 2012-10-26 2013-02-13 江苏通用环保集团有限公司 Air sand extraction device for horizontal flow aeration grit chamber sand sucker
CN106241864A (en) * 2016-07-21 2016-12-21 攀钢集团攀枝花钢铁研究院有限公司 Acidolysis pot and the acid hydrolysis method of titaniferous material
CN109092554A (en) * 2018-06-12 2018-12-28 张日养 Cross-flow sand mud washs isolated method and device
CN109092554B (en) * 2018-06-12 2020-06-19 张日养 Cross-flow type sand-mud washing and separating method and device

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Granted publication date: 20091118