WO2016161595A1 - 循环自搓洗过滤器 - Google Patents
循环自搓洗过滤器 Download PDFInfo
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- WO2016161595A1 WO2016161595A1 PCT/CN2015/076158 CN2015076158W WO2016161595A1 WO 2016161595 A1 WO2016161595 A1 WO 2016161595A1 CN 2015076158 W CN2015076158 W CN 2015076158W WO 2016161595 A1 WO2016161595 A1 WO 2016161595A1
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- WIPO (PCT)
- Prior art keywords
- backwashing
- filter
- tank
- washing
- pump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D41/00—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
- B01D41/02—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of loose filtering material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
Definitions
- the present invention relates to filters, and in particular to circulating self-cleaning filters.
- the washing pump is placed on the top platform of the tank, which has large vibration, high noise and inconvenient maintenance and repair.
- the scrubber is installed vertically, the screen cylinder is easy to block, difficult to remove and wash, labor intensive, and high cleaning cost.
- the existing external rinsing filter The device generally has problems such as high vibration noise, inconvenient maintenance, no drug washing process, large energy consumption and large wear.
- the technical problem to be solved by the present invention is that the existing external wash filter has the problems of large vibration noise, inconvenient maintenance, no drug washing process, poor backwashing effect, large energy consumption and large wear.
- the technical solution adopted by the present invention is to provide a circulating self-washing filter, comprising:
- the filter device comprises a filter tank, an inlet pipe and an outlet pipe, wherein the upper and lower ends of the filter can are respectively provided with a filter tank water inlet and a filter tank water outlet, and the inlet pipe connects the filter tank water inlet.
- the water pipe is connected to the water outlet of the filter tank, and the oily sewage to be treated enters the filter tank from the water inlet pipe, and after filtering, the filter residue is discharged from the water outlet pipe;
- a backwashing device comprising a backwashing pump, a backwashing inlet pipe and a sewage pipe, wherein the backwashing inlet pipe and the sewage pipe respectively open the filter tank water outlet and the filter tank water inlet, the backwashing
- the backwashing pump is disposed on the water pipe, and the backwashing water flows into the backwashing inlet pipe and is pumped into the filter tank through the backwashing pump to backwash the filter material in the filter tank. After backwashing, oil, suspended matter and machine impurities are sprayed into the sewage pipe from the filter tank outlet and are eliminated;
- a rinsing device comprising a tiltingly disposed rinsing pump and a rinsing pump, the rinsing pump being mounted on a bottom platform of the canister, the upper and lower portions of one side of the canister being respectively provided with a first circulation opening and a second circulation Opening, a mixture of water and filter material exits through the first circulation opening, is pumped into the scrubber through the rinsing pump, and the washed oil and suspended matter are discharged through the sputum drain pipe, and the water and the filter material are discharged.
- a second circulation opening enters the filter tank and is circulated and washed;
- the medicine washing device comprises a medicine washing tank and a medicine washing pump, wherein a lower part of the medicine washing tank is provided with a medicine washing tank liquid outlet, and an upper end is provided with a medicine washing tank liquid inlet, and the medicine liquid is discharged from the medicine washing tank
- the liquid port is pumped into the scrubber through the drug washing pump, and the medicament is thoroughly mixed with the filter material in the scrubber, and then flows into the filter tank through the second circulation opening, and is mixed with the sewage and reacted.
- the first circulation opening flows out, flows into the medicine washing tank from the liquid inlet of the medicine washing tank through a pipeline, and is circulated and washed.
- the scrubber includes a scrubber housing and a screen cylinder installed in the scrubber housing, and both ends of the scrubber housing are respectively sealed and fixed by a front cover and a rear cover, the scrubber a rear end of the casing is provided with a motor for driving the sieve cylinder, the motor is connected to the sieve cylinder through a transmission shaft, and a water inlet of the toilet is provided in a middle portion of the front cover of the toilet shell, the scrubber A sump drain port is disposed below the one side of the casing near the rear cover, and a sluice water outlet provided on the same side of the sump drain port is opened on the back cover of the sumper housing.
- one end of the transmission shaft is fixed on the sieve cylinder, and the other end passes through a central hole outside the rear cover and is connected to the motor through a coupling, the transmission shaft and the rear A seal assembly is provided at the joint of the cover.
- the outer side of the sealing assembly and one end of the hollow bracket are fixed by bolts, and the other end of the bracket is fixed on the motor, and the inner side of the bracket is provided with the coupling, the joint A key connection is made between the shaft and the drive shaft.
- the water inlet of the scrubber is provided with a dispersing cap for uniformly dispersing the filter material.
- a wire brush for cleaning the screen cylinder is disposed between the scrubber housing and the outer side wall of the screen cylinder.
- the can body of the canister is provided with a plurality of plate frame mirrors at intervals.
- the top of the filter tank is provided with a filter material sampling port, and the filter material sampling port is provided with a ball valve.
- control valves are respectively disposed on the two sides of the backwashing pump, the rinsing pump and the medicinal washing pump.
- a pipeline sight glass is respectively disposed on the water inlet pipe of the rinsing pump and the return pipeline of the rinsing tank.
- a backwashing device, a washing device and a drug washing device are arranged in the filter, and the washing pump in the washing device is installed on the bottom platform of the filter tank, thereby reducing vibration noise and facilitating maintenance, and forming a backwashing process between the devices.
- the washing process and the washing process can select the appropriate recoil regeneration process according to the pollution program of the filter material.
- This multi-process recoil regeneration method solves the problem of unstable water quality, high polymer content in water, and filtration.
- Figure 1 is a schematic view of the structure of the present invention
- Figure 2 is a side view of the canister of the present invention
- Figure 3 is a cross-sectional view of the scrubber of the present invention.
- Figure 4 is an enlarged view of a portion C in Figure 3;
- Figure 5 is a cross-sectional view of Figure 3 taken along the line A-A.
- the invention provides a circulating self-washing filter comprising a filtering device, a backwashing device, a washing device and a drug washing device, respectively forming a filtering process, a backwashing process, a washing process and a drug washing process, which can be selected according to the pollution degree of the filter material.
- Suitable recoil regeneration process this multi-process recoil regeneration method solves the problem of filter material stagnation caused by unstable water quality, high polymer content in water, and long backwashing time and backwash caused by single external rinsing process
- the utility model has the advantages of large energy consumption, poor backwashing effect, large filter material wear and large wear of the washing pump.
- the filtering device includes a filter tank 100, an inlet pipe 110, and an outlet pipe 130.
- the upper and lower ends of the canister 100 are respectively provided with a filter tank water inlet 160 and a filter tank water outlet 161, and the inlet pipe 110 is connected.
- the canister inlet 160, the outlet pipe 130 is connected to the canister outlet 161, and the inlet pipe 110 and the outlet pipe 130 are respectively provided with valves, and the oily sewage to be treated enters the canister 100 from the inlet pipe 110, in the canister Filtration is carried out in 100, oil and suspended matter are retained by the filter material, and the filtered water is discharged from the water outlet pipe 130.
- the backwashing device includes a backwashing pump 140, a backwashing inlet pipe 120 and a drain pipe 150.
- the backwashing inlet pipe 120 is connected to the canister outlet 161 from the lower end of the canister 100, and the drain pipe 150 is filtered from the upper end of the canister 100.
- the backwater inlet 160 is provided with a backwashing pump 140, and the backwashing pipelines on both sides of the backwashing pump 140 are respectively provided with a first backwashing control valve 121 and a second backwashing control valve 122, backwashing
- the incoming water flows into the backwashing inlet pipe 120, and is pumped into the canister 100 through the backwashing pump 140, and the backwashing water is used to backwash the filter material in the canister 100.
- the oil, suspended matter and organic matter generated after the backwashing are sprayed from the canister inlet 160 into the drain pipe 150 and are removed.
- a plurality of plate frame mirrors 190 are disposed on the can body of the canister 100 for observing the backwashing condition inside the canister 100.
- the top of the canister 100 is provided with a filter material sampling port 162.
- a ball valve 163 is arranged on the material sampling port 162 for sampling and observing the pollution condition of the filter material and the cleaning effect, so that the operator can grasp the information at any time.
- the rinsing device includes a slanted squeegee 200 and a sputum pump 210, and the squeegee 200 is installed obliquely, which can effectively solve the problem that the vertical installation of the screen cylinder is easy to block, difficult to remove and wash, labor intensity of cleaning and washing, and high cleaning cost.
- 200 is provided with a water purifier inlet 230, a scrubber water outlet 250 and a scrubber drain port 240.
- the scrubber drain port 240 is connected to the scrubber drain pipe 220, and the scrubbing pump 210 is mounted on the bottom platform of the canister 100 to reduce vibration. Degree and noise, and good for maintenance.
- the upper part of one side of the canister 100 is provided with a first circulation opening 180, and the lower part is provided with a second circulation opening 170.
- the outer circulation line of the first circulation opening 180 is provided with a first circulation control valve 181, and the outer side of the second circulation opening 170 is provided.
- the rinsing pump 210 sucks the mixture of the water and the filter material through the first circulation control valve 181, pressurizes it, and flows into the retort 200 from the rinsing water inlet 230, water and filtration.
- the mixture of materials is mechanically stirred in the scrubber 200, and the oil and suspended matter on the filter material are detached under the action of hydraulic force.
- the oil and suspended matter are discharged from the scrubber drain port 240 and discharged through the valve through the scrubbing drain pipe 220.
- the water and filter mixture is discharged from the scrubber outlet 250 and then passed through the second circulation opening 170 into the canister 100 for cyclic rinsing.
- a washing pipe sight glass 211 is provided on the water inlet pipe outside the rinsing pump 210 to observe whether or not the filter material enters the rinsing pump 210.
- the medicine washing device comprises a medicine washing tank 300 and a medicine washing pump 330.
- the lower part of the medicine washing tank 300 is provided with a medicine washing tank liquid outlet 310, the upper end is provided with a medicine washing tank liquid inlet 320, and the medicine washing pump 330 is provided on both sides.
- the first washing control valve 311 and the second medicine washing control valve 312 are respectively disposed on the medicine washing pipeline for controlling the medicine washing pump
- the utility model is opened and conveniently disassembled to clean or replace the medicine washing pump 330.
- the medicine washing process is started, the medicine liquid flows out from the medicine washing tank outlet port 310, and is pumped into the scrubber 200 through the medicine washing pump 330.
- the chemical solution is mixed with the mixture of the filter material and the water in the rinser 200, and the mixture with the chemical liquid flows out from the water outlet 250 of the scrubber, flows into the canister 100 through the second circulation opening 170, and is realized in the canister 100.
- the drug solution, the water and the filter material are thoroughly mixed, and then flow out through the first circulation opening 180, through the pipeline and through the drug washing tank inlet valve 322, and then flow into the drug washing and filling port 300 from the drug washing tank inlet port 320, and the medicine is washed.
- a tubing mirror 321 is provided on the pipeline between the medicine washing tank 300 inlet valve 322 and the medicine tank inlet 320 for observing the drug washing effect.
- the scrubber 200 includes a scrubber housing 230 and a screen cylinder 240 mounted in the scrubber housing 230, the outer side of the scrubber housing 230 and the screen cylinder 240 A wire brush 235 is provided between the walls for cleaning the screen cylinder 240 to keep it clean.
- the two ends of the scrubber housing 230 are respectively sealed and fixed by the front cover 250 and the rear cover 260.
- the rear end of the scrubber housing 230 is provided with a motor 280 for rotating the screen cylinder 240.
- the filter material is in the screen cylinder 240. The internal washing and rinsing greatly improves the backwashing effect of the filter material.
- the motor 280 is connected to the screen cylinder 240 through the transmission shaft 270.
- One end of the transmission shaft 270 is fixed on the screen cylinder 240, and the other end passes through the center hole of the outer side of the rear cover 260 and passes through.
- the coupling 291 is connected to the motor 280.
- the joint between the transmission shaft 270 and the rear cover 260 is provided with a sealing assembly.
- the outer side of the sealing assembly and one end of the hollow bracket 290 are fixed by bolts, and the other end of the bracket 290 is fixed on the motor 280.
- the coupling 290 is sleeved on the inner side of the bracket 290, and the coupling 290 and the transmission shaft 270 are connected by a flat key 291.
- the power of the motor 280 is transmitted from the motor output shaft to the coupling 290 and the transmission shaft 270 and drives the screen cylinder 240. Rotating, stable structure, is conducive to transmission.
- the scrubber water inlet 231 is disposed in the middle of the front cover 250 of the scrubber housing 230, and the scrubber drain port 232 is disposed below the side of the scrubber housing 230 near the rear cover 260, the scrubber water outlet 233 and the scrubber drain port
- the 232 is disposed on the same side and is opened on the back cover 260 of the toilet housing 230.
- a dispersing cap 234 is provided at the rinsing water inlet 231 to uniformly disperse the filter material. In the rinsing process, the water and filter mixture enters the rinsing device 200 from the rinsing water inlet 231, and is mechanically stirred and washed.
- the oil and suspended solid particles trapped on the filter material are detached, and are discharged through the sieve cylinder 240 into the rinsing sewage pipe 220.
- the immersed water and the filter mixture are flowed into the canister 100 from the rinsing water outlet 233.
- the sealing assembly includes a mechanical seal 262, a self-lubricating seal 263, an oil seal 264 and a shaft circlip 265.
- the drive shaft 270 is sealed by a mechanical seal 262, an oil seal 264 and a rear cover 260, and the oil seal 264 is sealed.
- the scrubber housing 230 and the rear cover 260 are connected by bolts and sealed by a first O-ring seal 261.
- the scrubber housing 230 and the front cover 250 are bolted and sealed by a second O-ring seal 251.
- the ends are respectively self-lubricating bearings 252, and the self-lubricating bearings 252 are respectively embedded in the front cover 250 and the rear cover 260.
- a backwashing device, a washing device and a drug washing device are arranged in the filter, and the washing pump in the washing device is installed on the bottom platform of the filter tank, thereby reducing vibration noise and facilitating maintenance, and the process flow formed by each device is performed.
- the invention solves the problem that the water quality of the incoming water is unstable, the polymer content in the water is high, the filter material is knotted, and the backwashing time caused by the single external washing process is long, the backwashing energy consumption is large, the backwashing effect is poor, the filter material is worn, and the washing is performed.
- the pump has large defects such as wear and has high practical value.
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Abstract
一种循环自搓洗过滤器，包括过滤装置、反冲洗装置、搓洗装置和药洗装置，过滤装置包括过滤罐（100）、进水管（110）和出水管（130），还设有过滤罐出水口（161）和过滤罐进水口（160），反冲洗装置包括反冲洗进水管（120）和排污管（150），反冲洗进水管（120）上设有反冲洗泵（140）；搓洗装置包括安装在过滤罐（100）的底部平台上的搓洗泵（210）和倾斜设置的搓洗器（200），药洗装置包括药洗罐（300）和药洗泵（330）。其中搓洗器（200）包括安装在其壳体（230）内的筛筒（240）。各装置之间形成反冲洗、搓洗和药洗流程，根据滤料的污染程度，选择合适的反洗流程及多种反洗流程结合的方式，解决来水水质不稳定、水中聚合物含量高造成的滤料板结问题，及单一体外搓洗流程反洗时间长、能耗大、效果差和搓洗泵磨损大等缺陷。
Description
本发明涉及过滤器，具体涉及循环自搓洗过滤器。
随着三采注聚工程的进行，油田含聚合物的污水处理一直是研究和解决的对象。由于来水水质不稳定，水中聚合物含量较高，传统的反冲洗方式多为体内搓洗式、叶轮搅拌式等，普遍存在反冲洗用水量大、反冲洗不彻底和滤料板结等问题。中国专利ZL200320116025.5公布了一种外搓洗式过滤器，也存在以下问题：
搓洗泵放置在罐顶部平台，震动大，噪音高，维修维护不方便。
搓洗器垂直安装，筛筒易堵死、拆洗困难、劳动强度大，清洗成本高。
无药洗流程，滤料重度污染后再生困难，容易造成滤层板结，无法再生而报废。
仅采用体外搓洗器，无正常反冲洗流程、药洗流程造成反洗时间长、能耗大、反洗效果差，而且滤料磨损大、搓洗泵磨损大，因此，现有的外搓洗式过滤器普遍存在震动噪音大、维修不方便、无药洗流程、能耗大和磨损大等问题。
发明内容
本发明所要解决的技术问题是现有的外搓洗式过滤器存在震动噪音大、维修不方便、无药洗流程、反洗效果差、能耗大和磨损大的问题。
为了解决上述技术问题，本发明所采用的技术方案是提供循环自搓洗过滤器，包括：
过滤装置，包括过滤罐、进水管和出水管，所述过滤罐的上、下两端分别设有过滤罐进水口和过滤罐出水口，所述进水管接通所述过滤罐进水口，所述出水管接通所述过滤罐出水口，需要处理的含油污水自进水管进入所述过滤罐中，经过滤后，滤渣自所述出水管排出；
反冲洗装置，包括反冲洗泵、反冲洗进水管和排污管，所述反冲洗进水管和所述排污管分别接通所述过滤罐出水口和所述过滤罐进水口，所述反冲洗进水管上设有所述反冲洗泵，反冲洗来水流入所述反冲洗进水管内并经所述反冲洗泵泵入所述过滤罐内，对所述过滤罐内的滤料进行反冲洗，经反冲洗后将油、悬浮物和机杂自所述过滤罐出水口喷入所述排污管中并排除；
搓洗装置，包括倾斜设置的搓洗器和搓洗泵，所述搓洗泵安装在所述过滤罐的底部平台上，所述过滤罐的一侧的上部和下部分别设有第一循环开口和第二循环开口，水和滤料的混合物经所述第一循环开口出来，经所述搓洗泵泵入所述搓洗器内，搓洗后的油、悬浮物经搓洗排污管排出，水和滤料经所述第二循环开口进入所述过滤罐，循环搓洗；
药洗装置，包括药洗罐和药洗泵，所述药洗罐的一侧下部设有药洗罐出液口，上端设有药洗罐进液口，药液从所述药洗罐出液口经所述药洗泵泵入所述搓洗器内，在所述搓洗器内药剂与滤料充分混合，再经过所述第二循环开口流入所述过滤罐内，与污水混合反应后经所述第一循环开口流出，经管道自所述药洗罐进液口流入所述药洗罐内，循环药洗。
在上述方案中，所述搓洗器包括搓洗器壳体和安装在所述搓洗器壳体内的筛筒，所述搓洗器壳体的两端分别通过前盖和后盖密封固定，所述搓洗器壳体的后端设有带动所述筛筒转动的电机，所述电机通过传动轴与所述筛筒连接，所述搓洗器壳体的前盖中部设有搓洗器进水口，所述搓洗器壳体靠近后盖的一侧下方设有搓洗器排污口，所述搓洗器壳体的后盖上开有与所述搓洗器排污口同侧设置的搓洗器出水口。
在上述方案中，所述传动轴的一端固定在所述筛筒上，另一端穿过所述后盖外侧的中心孔并通过联轴器与所述电机连接，所述传动轴与所述后盖的连接处设有密封组件。
在上述方案中，所述密封组件的外侧与中空的支架的一端通过螺栓固定，所述支架的另一端固定在所述电机上，所述支架的内侧套装有所述联轴器，所述联轴器与所述传动轴之间采用键连接。
在上述方案中，所述搓洗器进水口处设有可使滤料均匀分散的分散帽。
在上述方案中，所述搓洗器壳体与所述筛筒的外侧壁之间设有用于清扫所述筛筒的钢丝刷。
在上述方案中，所述过滤罐的罐体上间隔设有多个板框视镜。
在上述方案中，所述过滤罐的顶部设有滤料取样口，所述滤料取样口上设有球阀。
在上述方案中，所述反冲洗泵、搓洗泵和所述药洗泵的两侧管路上分别设有控制阀门。
在上述方案中，所述搓洗泵的进水管路和所述药洗罐的回流管路上分别设有管道视镜。
本发明，通过在过滤器内设置反冲洗装置、搓洗装置和药洗装置，搓洗装置中搓洗泵安装在过滤罐的底部平台上，降低震动噪音大、方便维修，各装置之间形成反冲洗流程、搓洗流程和药洗流程，可根据滤料的污染程序，选择合适的反冲再生流程，这种多流程反冲再生的方法解决了来水水质不稳定、水中聚合物含量高、造成的滤料板结问题，以及单一体外搓洗流程造成的反洗时间长、反洗能耗大、反洗效果差、滤料磨损大、搓洗泵磨损大等缺陷，具有很高的实用价值。
图1为本发明的结构示意图；
图2为本发明中过滤罐的侧视图；
图3为本发明中搓洗器的剖视图；
图4为图3中C处的放大图；
图5为图3沿A-A方向的剖视图。
本发明提供了循环自搓洗过滤器包括过滤装置、反冲洗装置、搓洗装置和药洗装置，分别可以形成过滤流程、反冲洗流程、搓洗流程和药洗流程，可根据滤料的污染程度，选择合适的反冲再生流程，这种多流程反冲再生的方法解决了来水水质不稳定、水中聚合物含量高造成的滤料板结问题，以及单一体外搓洗流程造成的反洗时间长、反洗能耗大、反洗效果差、滤料磨损大、搓洗泵磨损大等缺陷。下面结合说明书附图对本发明做出详细说明。
如图1所示，过滤装置包括过滤罐100、进水管110和出水管130，过滤罐100的上、下两端分别设有过滤罐进水口160和过滤罐出水口161，进水管110接通滤罐进水口160，出水管130接通过滤罐出水口161，进水管路110和出水管130管路上分别设有阀门，需要处理的含油污水自进水管110进入过滤罐100内，在过滤罐100内进行过滤，油、悬浮物被滤料截留，过滤后的水从出水管130排出。
反冲洗装置包括反冲洗泵140、反冲洗进水管120和排污管150，反冲洗进水管120自过滤罐100的下端接通过滤罐出水口161，排污管150自过滤罐100的上端接通过滤罐进水口160，反冲洗进水管120上设有反冲洗泵140，反冲洗泵140两侧的反冲洗管路上分别设有第一反冲洗控制阀121和第二反冲洗控制阀122，反冲洗来水流入反冲洗进水管120内，并经反冲洗泵140泵入过滤罐100内，反冲洗来水对过滤罐100内的滤料进行反冲洗，
反冲洗后产生的油、悬浮物和机杂自过滤罐进水口160喷入排污管150中并排除。
如图2所示，过滤罐100的罐体上间隔设有多个板框视镜190，用于观察过滤罐100内部的反冲洗情况，过滤罐100的顶部设有滤料取样口162，滤料取样口162上设有球阀163，用以取样观察滤料污染情况及清洗效果，方便操作者随时掌握信息。
结合图1，搓洗装置包括倾斜设置的搓洗器200和搓洗泵210，搓洗器200倾斜安装，能够有效解决垂直安装筛筒易堵死、拆洗困难、拆洗劳动强度大和清洗成本高的问题，搓洗器200上设有搓洗器进水口230、搓洗器出水口250和搓洗器排污口240，搓洗器排污口240接通搓洗排污管220，搓洗泵210安装在过滤罐100的底部平台上，降低了震动程度和噪音，而且利于维修。过滤罐100的一侧上部设有第一循环开口180，下部设有第二循环开口170，第一循环开口180的外侧管路上设有第一循环控制阀181，第二循环开口170的外侧设有第二循环控制阀171，当滤料中度污染时，开启搓洗流程，每周清洗一次，搓洗时，滤前水由进水管110通过过滤罐出水口161不断向过滤罐100内补水，水和滤料的混合物经第一循环开口180流出，搓洗泵210将水和滤料的混合物经第一循环控制阀181吸出、增压后自搓洗器进水口230流入搓洗器200内，水和滤料的混合物在搓洗器200内机械搅拌，并在水力作用下使滤料上的油和悬浮物脱落，油和悬浮物自搓洗器排污口240排除后经阀门由搓洗排污管220排出，搓洗后的水和滤料混合物自搓洗器出水口250排出，后经第二循环开口170进入过滤罐100，进行循环搓洗。本发明中，搓洗泵210外侧的进水管路上设有搓洗管道视镜211，可观察是否有滤料进入搓洗泵210。
药洗装置包括药洗罐300和药洗泵330，药洗罐300的一侧下部设有药洗罐出液口310，上端设有药洗罐进液口320，药洗泵330两侧的药洗管路上分别设有第一药洗控制阀311和第二药洗控制阀312，用于控制药洗泵的
开启，并方便拆卸对药洗泵330进行清理或更换，当滤料重度污染时，开启药洗流程，药液从药洗罐出液口310流出，经药洗泵330泵入搓洗器200内，药液在搓洗器200内与滤料和水的混合液混合，带有药液的混合物自搓洗器出水口250流出，经过第二循环开口170流入过滤罐100内，在过滤罐100内实现药液、水和滤料充分混合，之后经第一循环开口180流出，经管道并通过药洗罐进液阀门322后自药洗罐进液口320流入药洗灌300内，循环药洗。药洗罐300进液阀门322与药洗罐进液口320之间的管路上设有药洗管道视镜321，用于观察药洗效果。
结合图3、图4和图5所示，本发明中，搓洗器200包括搓洗器壳体230和安装在搓洗器壳体230内的筛筒240，搓洗器壳体230与筛筒240的外侧壁之间设有钢丝刷235，用于清扫筛筒240的，保持清洁。搓洗器壳体230的两端分别通过前盖250和后盖260密封固定，搓洗器壳体230的后端设有带动筛筒240转动的电机280，反冲洗流程中，滤料在筛筒240内搅拌搓洗，大大提高了滤料的反洗效果，电机280通过传动轴270与筛筒240连接，传动轴270的一端固定在筛筒240上，另一端穿过后盖260外侧的中心孔并通过联轴器291与电机280连接，传动轴270与后盖260的连接处设有密封组件，密封组件的外侧与中空的支架290的一端通过螺栓固定，支架290的另一端固定在电机280上，联轴器290套装在支架290的内侧，联轴器290与传动轴270之间通过平键291连接，电机280的动力由电机输出轴传递给联轴器290和传动轴270并带动筛筒240转动，结构稳定，利于传动。
搓洗器进水口231设置在搓洗器壳体230的前盖250的中部，搓洗器排污口232设置在搓洗器壳体230靠近后盖260的一侧下方，搓洗器出水口233与搓洗器排污口232同侧设置，开在搓洗器壳体230的后盖260上。搓洗器进水口231处设有可使滤料均匀分散的分散帽234。在搓洗流程中，水和滤料混合物由搓洗器进水口231进入搓洗器200，在机械搅拌搓洗的作
用下使滤料上截留的油和悬浮物固体颗粒脱落，透过筛筒240进入搓洗排污管220排出，搓洗后的水和滤料混合物由搓洗器出水口233流入过滤罐100。
如图3、图4所示，密封组件包括机械密封262、自润滑密封263、油封264和轴用弹性挡圈265，传动轴270通过机械密封262、油封264与后盖260进行密封，油封264通过轴用弹性挡圈265进行定位，机械密封262由后盖260与支架290通过螺栓压紧。搓洗器壳体230与后盖260通过螺栓连接并由第一O型圈密封261密封，搓洗器壳体230与前盖250通过螺栓连接并由第二O型圈密封251密封，筛筒240两端分别采用自润滑轴承252，自润滑轴承252分别镶嵌在前盖250和后盖260内。通过采用密封组件，大大提高了密封性，有效防止液体遗漏。
本发明，通过在过滤器内设置反冲洗装置、搓洗装置和药洗装置，搓洗装置中搓洗泵安装在过滤罐的底部平台上，降低震动噪音大、方便维修，各装置形成的流程循环操作，解决了来水水质不稳定、水中聚合物含量高、造成的滤料板结问题，以及单一体外搓洗流程造成的反洗时间长、反洗能耗大、反洗效果差、滤料磨损大、搓洗泵磨损大等缺陷，具有很高的实用价值。
本发明不局限于上述最佳实施方式，任何人应该得知在本发明的启示下作出的结构变化，凡是与本发明具有相同或相近的技术方案，均落入本发明的保护范围之内。
Claims (10)
- 循环自搓洗过滤器，其特征在于，包括：过滤装置，包括过滤罐、进水管和出水管，所述过滤罐的上、下两端分别设有过滤罐进水口和过滤罐出水口，所述进水管接通所述过滤罐进水口，所述出水管接通所述过滤罐出水口，需要处理的含油污水自所述进水管进入所述过滤罐中，经过滤后，滤渣自所述出水管排出；反冲洗装置，包括反冲洗泵、反冲洗进水管和排污管，所述反冲洗进水管和所述排污管分别接通所述过滤罐出水口和所述过滤罐进水口，所述反冲洗进水管上设有所述反冲洗泵，反冲洗来水流入所述反冲洗进水管内并经所述反冲洗泵泵入所述过滤罐内，对所述过滤罐内的滤料进行反冲洗，经反冲洗后将油、悬浮物和机杂自所述过滤罐出水口喷入所述排污管中并排除；搓洗装置，包括倾斜设置的搓洗器和搓洗泵，所述搓洗泵安装在所述过滤罐的底部平台上，所述过滤罐的一侧的上部和下部分别设有第一循环开口和第二循环开口，水和滤料的混合物经所述第一循环开口出来，经所述搓洗泵泵入所述搓洗器内，搓洗后的油、悬浮物经搓洗排污管排出，水和滤料经所述第二循环开口进入所述过滤罐，循环搓洗；药洗装置，包括药洗罐和药洗泵，所述药洗罐的一侧下部设有药洗罐出液口，上端设有药洗罐进液口，药液从所述药洗罐出液口经所述药洗泵泵入所述搓洗器内，在所述搓洗器内药剂与滤料充分混合，再经过所述第二循环开口流入所述过滤罐内，与污水混合反应后经所述第一循环开口流出，经管道自所述药洗罐进液口流入所述药洗罐内，循环药洗。
- 如权利要求1所述的循环自搓洗过滤器，其特征在于，所述搓洗器包括搓洗器壳体和安装在所述搓洗器壳体内的筛筒，所述搓洗器壳体的两端分别通过前盖和后盖密封固定，所述搓洗器壳体的后端设有带动所述筛筒转动的电机，所述电机通过传动轴与所述筛筒连接，所述搓洗器壳体的 前盖中部设有搓洗器进水口，所述搓洗器壳体靠近后盖的一侧下方设有搓洗器排污口，所述搓洗器壳体的后盖上开有与所述搓洗器排污口同侧设置的搓洗器出水口。
- 如权利要求2所述的循环自搓洗过滤器，其特征在于，所述传动轴的一端固定在所述筛筒上，另一端穿过所述后盖外侧的中心孔并通过联轴器与所述电机连接，所述传动轴与所述后盖的连接处设有密封组件。
- 如权利要求3所述的循环自搓洗过滤器，其特征在于，所述密封组件的外侧与中空的支架的一端通过螺栓固定，所述支架的另一端固定在所述电机上，所述支架的内侧套装有所述联轴器，所述联轴器与所述传动轴之间采用键连接。
- 如权利要求2所述的循环自搓洗过滤器，其特征在于，所述搓洗器进水口处设有可使滤料均匀分散的分散帽。
- 如权利要求2所述的循环自搓洗过滤器，其特征在于，所述搓洗器壳体与所述筛筒的外侧壁之间设有用于清扫所述筛筒的钢丝刷。
- 如权利要求1所述的循环自搓洗过滤器，其特征在于，所述过滤罐的罐体上间隔设有多个板框视镜。
- 如权利要求1所述的循环自搓洗过滤器，其特征在于，所述过滤罐的顶部设有滤料取样口，所述滤料取样口上设有球阀。
- 如权利要求1所述的循环自搓洗过滤器，其特征在于，所述反冲洗泵、搓洗泵和所述药洗泵的两侧管路上分别设有控制阀门。
- 如权利要求1所述的循环自搓洗过滤器，其特征在于，所述搓洗泵的进水管路和所述药洗罐的回流管路上分别设有管道视镜。
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