WO2011011929A1 - Back-flushing purifying device inside body - Google Patents
Back-flushing purifying device inside body Download PDFInfo
- Publication number
- WO2011011929A1 WO2011011929A1 PCT/CN2009/073157 CN2009073157W WO2011011929A1 WO 2011011929 A1 WO2011011929 A1 WO 2011011929A1 CN 2009073157 W CN2009073157 W CN 2009073157W WO 2011011929 A1 WO2011011929 A1 WO 2011011929A1
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- WIPO (PCT)
- Prior art keywords
- filter
- channel
- backwashing
- drum
- purification device
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/668—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with valves, e.g. rotating valves for coaxially placed filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/69—Filters or screens for the moulding material
- B29C48/694—Cylindrical or conical filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
Definitions
- the present invention relates to a fluid purification device, and in particular to an in-machine backwash purification device.
- the purifying and filtering devices used in various industries and used in various industries generally have the disadvantages of small filtering area, unstable flow of changing nets, incomplete washing, and poor filtration and purification effects, especially the natural use of materials. After the reflow to clean the filter, the cleaning effect is poor, the flow is wasted, and the production cost is increased.
- the present invention provides an in-machine backwashing purification device with good filter cleaning effect, high work efficiency, and good filtration and purification effect.
- the internal backwashing purification device includes a body, and the body is provided with a feeding channel and a discharging channel, and the discharging channel is axially disposed in the center of the body, into A drum filter mechanism is arranged between the outlet end of the material passage and the inlet end of the discharge passage, and the backwashing power mechanism is arranged on the body, and the material input end and the output end of the backwash power mechanism are respectively connected with the discharge passage and the drum type The outlet connection of the filter mechanism.
- the feeding channel is provided with two symmetrically arranged
- the backwashing power mechanism comprises two storage tanks arranged radially symmetrically in the body, a piston is arranged in the storage tank, and the outer end of the piston is connected
- There is a hydraulic cylinder or a pneumatic cylinder and the two storage tanks are respectively connected to the discharge passage through an input passage, and the two storage tanks are respectively connected to the outlet end of the drum filter mechanism through an output passage, and the input passage is provided with a shut-off valve or a single To the valve.
- the drum filter mechanism comprises a hollow cylindrical drum, a ratchet or a gear, the ratchet or the gear is connected with the drum key and arranged concentrically, and the ratchet or gear is connected with the power mechanism through a pawl or a pinion, on the outer circumference of the drum
- a plurality of filter tanks are evenly arranged, and a filter hole is arranged radially between the filter tank and the discharge passage on the drum, and a filter screen and a pressure grid plate are arranged on the outer circumference of the filter tank.
- the filter body is symmetrically provided with two filter mesh replacement ports, and each filter mesh replacement port is respectively provided with a dirty material outlet, and the two filter mesh replacement ports are respectively disposed at a certain angle with the two feeding channels.
- the body is respectively provided with a feeding channel and an exhaust channel, the feeding channel is connected with the feeding channel, and the exhaust channel is connected with the dirty material outlet.
- the filter net on the outer circumference of the filter turntable is divided into a plurality of blocks, and each filter net is provided with a pressure mesh plate having a through hole.
- the backwashing power mechanism can reverse the filter to achieve a good cleaning effect, ensuring the filtration effect and material quality.
- the backwashing power mechanism performs reverse high pressure flushing on the blocked filter through the filtered material.
- the design is reasonable, the structure is simple, no manual operation is required, the net is washed thoroughly, and the filter screen can be reused.
- the filter mesh is divided into multiple pieces, which is more convenient to clean or replace.
- the pressure plate has the function of fixing the filter net firmly.
- the invention has reasonable design, simple structure, small volume, large effective filtering area, good filtering effect, continuous production after cleaning or replacing the filter, less material for washing and good effect, and the filter can be used repeatedly and stably. Reliable, efficient, and easy to promote.
- Figure 1 is a schematic view showing the structure of the present invention
- Figure 2 is a cross-sectional view taken along line A - A of Figure 1;
- Figure 3 is a cross-sectional view taken along line B-B of Figure 1;
- Figure 4 is a cross-sectional view taken along line C C of Figure 2.
- the in-machine backwashing purification device of the present invention comprises a body 1 in which a feed channel 2, a feed channel 3 and a discharge channel 4, a feed channel 2 are provided. It has the same feed port 5 as the feed channel 3 and is symmetrically arranged.
- the discharge channel 4 is axially disposed in the center of the body 1, between the feed channel 2 and the outlet end of the feed channel 3 and the inlet end of the discharge channel 4.
- a drum filter mechanism is provided, and the body 1 is provided with a backwashing power mechanism.
- the backwashing power mechanism includes a storage tank 30 and a storage tank 31 radially disposed symmetrically in the body 1, a storage tank 30 and a storage tank 31.
- a piston 32 and a piston 33 There are respectively a piston 32 and a piston 33.
- the piston 32 and the outer end of the piston 33 are respectively connected with a hydraulic cylinder or a pneumatic cylinder 6 and a hydraulic cylinder or a pneumatic cylinder 7.
- the storage tank 30 and the storage tank 31 respectively pass through the input passage 8 and
- the input channel 9 is connected to the discharge channel 4, and the storage tank 30 and the storage tank 31 are connected to the outlet end of the drum filter mechanism through the output channel 10 and the output channel 11, respectively, and the input channel 10 and the output channel 11 are provided with a cutoff.
- Valve or check valve 13 Valve or check valve 13.
- the drum filter mechanism includes a hollow cylindrical drum 14, a ratchet or gear 15, and a ratchet or gear 15 is keyed and concentrically arranged with the drum 14, and a ratchet or gear 15 is externally provided with a pawl 19.
- the ratchet or gear 15 is driven by a power mechanism.
- a plurality of sieve sinking grooves 35 are uniformly disposed on the outer circumference of the drum 14, and a filter hole 16 is disposed between the screen sinking groove 35 and the discharge passage 4 on the drum 14, and the outer circumference of the sieve sinking groove 35 is installed Filter 17 and platen 18 are provided.
- a filter replacement port 20 and a filter replacement port 21 are symmetrically disposed on the body 1, and a dirty material outlet is respectively disposed at the filter replacement port 20 and the filter replacement port 21, and the filter replacement port 20 and the filter replacement port 21 are respectively It is placed at an angle with the two feed channels.
- the body 1 is provided with a feeding passage 22 and an exhaust passage 23, respectively, and the feeding passage 22 is connected to the feeding passage 2 and the feeding passage 3, respectively, and the exhaust passage 23 is connected to the dirty material outlet 20 and the dirty material outlet 21.
- the fluid material to be filtered enters the feed channel 2 and the feed channel 3 from the feed port 5, and the material then enters the discharge channel 4 through the pressure plate 18, the filter 17, and the filter hole 16 to discharge the body 1 , complete the filtration purification operation.
- the filter 17 contaminates the blockage, the feed pressure rises, and the pressure sensor at the feed channel 2 or the feed channel 3 gives an alarm signal to clean or replace the filter 17, which signals the power mechanism to drive the ratchet or gear 15 to rotate.
- the ratchet or gear 15 drives the filter turntable 14 to rotate at a certain angle, and the filter net 17 is renewed, and the flow pressure is lowered, so that the continuous production is not affected.
- the blocked filter screen rotates synchronously with the drum 14 to the flushing position, the shut-off valve or the check valve 13 is opened, and the filtered clean stream enters the storage tank 30 through the input channel 8 and the input channel 9, respectively.
- the passage 22 fills the filter hole 16 in which the latter filter 17 is located, and the gas therein is discharged through the exhaust passage 23, and then the ratchet or the gear 15 is rotated by a certain angle to start the work smoothly.
- the inlet channel 22 is deep l ⁇ 2mm, and only a small amount of material flows through the feeding crucible, which does not affect the overall working pressure of the whole working stream.
- the exhaust passage 23 is 0.1 to 0.2 mm deep, and the flow will not flow under normal pressure. Pass, so there will be no leakage.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtration Of Liquid (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Description
说明书 机内反冲洗净化装置 Instruction manual In-machine backwashing purification device
[1] 技术领域 [1] Technical field
[2] 本发明涉及一种流体净化设备， 具体涉及一种机内反冲洗净化装置。 [2] The present invention relates to a fluid purification device, and in particular to an in-machine backwash purification device.
[3] 背景技术 [3] Background Art
[4] 目前， 市场上出售的、 各行业使用的净化过滤装置一般存在着过滤面积小， 换 网吋料流不稳定， 洗网不彻底， 过滤净化效果差等缺点， 尤其是利用物料的自 然回流进行清洗滤网作业吋， 清洗效果较差， 料流浪费严重， 而且还会加大生 产成本。 [4] At present, the purifying and filtering devices used in various industries and used in various industries generally have the disadvantages of small filtering area, unstable flow of changing nets, incomplete washing, and poor filtration and purification effects, especially the natural use of materials. After the reflow to clean the filter, the cleaning effect is poor, the flow is wasted, and the production cost is increased.
[5] 发明内容 [5] Summary of the invention
[6] 本发明为了解决现有技术中的不足之处， 提供了一种滤网清洗效果好、 工作效 率高、 过滤净化效果佳的机内反冲洗净化装置。 [6] In order to solve the deficiencies in the prior art, the present invention provides an in-machine backwashing purification device with good filter cleaning effect, high work efficiency, and good filtration and purification effect.
[7] 为解决上述技术问题， 本发明釆用如下技术方案： 机内反冲洗净化装置， 包括 本体， 本体内设有进料通道和出料通道， 出料通道轴向设置在本体中央， 进料 通道的出口端与出料通道进口端之间设有滚筒式过滤机构， 所述本体上设有反 冲洗动力机构， 反冲洗动力机构的物料输入端和输出端分别与出料通道和滚筒 式过滤机构的出口连接。 [7] In order to solve the above technical problem, the present invention uses the following technical solution: The internal backwashing purification device includes a body, and the body is provided with a feeding channel and a discharging channel, and the discharging channel is axially disposed in the center of the body, into A drum filter mechanism is arranged between the outlet end of the material passage and the inlet end of the discharge passage, and the backwashing power mechanism is arranged on the body, and the material input end and the output end of the backwash power mechanism are respectively connected with the discharge passage and the drum type The outlet connection of the filter mechanism.
[8] 所述进料通道设有两条并对称设置， 所述反冲洗动力机构包括径向对称设置在 本体内的两个储料罐， 储料罐内设有活塞， 活塞外端传动连接有液压缸或气压 缸， 两储料罐分别通过一条输入通道与出料通道连接， 两储料罐分别通过一条 输出通道与滚筒式过滤机构的出口端连接， 输入通道上设有截止阀或单向阀。 [8] The feeding channel is provided with two symmetrically arranged, the backwashing power mechanism comprises two storage tanks arranged radially symmetrically in the body, a piston is arranged in the storage tank, and the outer end of the piston is connected There is a hydraulic cylinder or a pneumatic cylinder, and the two storage tanks are respectively connected to the discharge passage through an input passage, and the two storage tanks are respectively connected to the outlet end of the drum filter mechanism through an output passage, and the input passage is provided with a shut-off valve or a single To the valve.
[9] 所述滚筒式过滤机构包括中空圆柱状的滚筒、 棘轮或齿轮， 棘轮或齿轮与滚筒 键连接且同心设置， 棘轮或齿轮通过棘爪或小齿轮与动力机构传动连接， 滚筒 外圆周上均匀设有多个滤网沉槽， 滚筒上径向于滤网沉槽与出料通道之间设有 过滤孔， 滤网沉槽外圆周上装有过滤网和压网板。 [9] The drum filter mechanism comprises a hollow cylindrical drum, a ratchet or a gear, the ratchet or the gear is connected with the drum key and arranged concentrically, and the ratchet or gear is connected with the power mechanism through a pawl or a pinion, on the outer circumference of the drum A plurality of filter tanks are evenly arranged, and a filter hole is arranged radially between the filter tank and the discharge passage on the drum, and a filter screen and a pressure grid plate are arranged on the outer circumference of the filter tank.
[10] 所述本体上对称设有两个滤网更换口， 每个滤网更换口处分别设有一个脏料出 口， 两个滤网更换口分别与两进料通道呈一定夹角设置。 [11] 所述本体上分别设有引料通道和排气通道， 引料通道与进料通道连接， 排气通 道与脏料出口连接。 [10] The filter body is symmetrically provided with two filter mesh replacement ports, and each filter mesh replacement port is respectively provided with a dirty material outlet, and the two filter mesh replacement ports are respectively disposed at a certain angle with the two feeding channels. [11] The body is respectively provided with a feeding channel and an exhaust channel, the feeding channel is connected with the feeding channel, and the exhaust channel is connected with the dirty material outlet.
[12] 所述过滤转盘外圆周上的过滤网均分为多块， 每块过滤网上均设有一块具有通 孔的压网板。 [12] The filter net on the outer circumference of the filter turntable is divided into a plurality of blocks, and each filter net is provided with a pressure mesh plate having a through hole.
[13] 釆用上述结构， 达到的有益效果分别为： [13] With the above structure, the beneficial effects achieved are:
[14] 1、 在需要清洗过滤网吋， 反冲洗动力机构可以对滤网进行反向清洗， 达到良 好的清洗效果， 保证过滤效果和物料质量。 [14] 1. After cleaning the filter, the backwashing power mechanism can reverse the filter to achieve a good cleaning effect, ensuring the filtration effect and material quality.
[15] 2、 反冲洗动力机构通过已过滤的物料对已堵塞的滤网进行反向高压冲洗， 设 计合理、 结构简单、 无需人工操作、 洗网彻底， 滤网可重复使用。 [15] 2. The backwashing power mechanism performs reverse high pressure flushing on the blocked filter through the filtered material. The design is reasonable, the structure is simple, no manual operation is required, the net is washed thoroughly, and the filter screen can be reused.
[16] 3、 当过滤网逐渐被堵塞吋， 料流压力升高， 传感器给出信号， 棘轮带动过滤 转盘转动一定角度， 过滤网更新一部分， 料流压力降低， 这样就保证净化装置 的连续工作， 而不影响生产。 [16] 3. When the filter is gradually blocked, the flow pressure rises, the sensor gives a signal, the ratchet drives the filter turntable to rotate a certain angle, the filter is renewed, and the flow pressure is reduced, thus ensuring continuous operation of the purification device. Without affecting production.
[17] 4、 在进行反冲洗滤网吋， 清洗后的脏料料流连同杂质通过脏料出口排出， 滤 网更换口是更换滤网的地方。 [17] 4. After performing the backwashing filter, the cleaned dirty stream and impurities are discharged through the dirty material outlet, and the filter replacement port is the place to replace the filter.
[18] 5、 在每次清洗或更换过滤网后， 料流通过引料通道将后一块过滤网所在的过 滤孔填满， 其内的气体通过排气通道排出， 使料流压力稳定、 不存在气体而保 证产品质量。 [18] 5. After each cleaning or replacement of the filter, the flow passes through the introduction channel to fill the filter hole where the latter filter is located, and the gas inside it is discharged through the exhaust passage, so that the flow pressure is stable and does not exist. Gas to ensure product quality.
[19] 6、 过滤网均分成多片， 清洗或更换起来更加方便， 压网板起到牢靠固定过滤 网的作用。 [19] 6. The filter mesh is divided into multiple pieces, which is more convenient to clean or replace. The pressure plate has the function of fixing the filter net firmly.
[20] 本发明设计合理、 结构简单、 体积小、 有效过滤面积大、 过滤效果好、 在清洗 或更换过滤网吋可连续生产、 洗网用料少且效果好、 过滤网可反复使用、 稳定 可靠、 工作效率高， 易于推广应用。 [20] The invention has reasonable design, simple structure, small volume, large effective filtering area, good filtering effect, continuous production after cleaning or replacing the filter, less material for washing and good effect, and the filter can be used repeatedly and stably. Reliable, efficient, and easy to promote.
[21] 附图说明 [21] BRIEF DESCRIPTION OF THE DRAWINGS
[22] 图 1是本发明的结构示意图； Figure 1 is a schematic view showing the structure of the present invention;
[23] 图 2是图 1当中的 A— A剖视图； [23] Figure 2 is a cross-sectional view taken along line A - A of Figure 1;
[24] 图 3是图 1当中 B— B剖视图； [24] Figure 3 is a cross-sectional view taken along line B-B of Figure 1;
[25] 图 4是图 2当中 C C剖视图。 [25] Figure 4 is a cross-sectional view taken along line C C of Figure 2.
[26] 具体实施方式 [27] 如图 1〜图 4所示， 本发明的机内反冲洗净化装置， 包括本体 1， 本体 1内设有进 料通道 2、 进料通道 3和出料通道 4， 进料通道 2与进料通道 3具有同一个进料口 5 且其对称设置， 出料通道 4轴向设置在本体 1中央， 进料通道 2和进料通道 3的出 口端与出料通道 4进口端之间设有滚筒式过滤机构， 本体 1上设有反冲洗动力机 构， 反冲洗动力机构包括径向对称设置在本体 1内的储料罐 30和储料罐 31， 储料 罐 30和储料罐 31内分别设有活塞 32和活塞 33， 活塞 32和活塞 33外端分别传动连 接有液压缸或气压缸 6和液压缸或气压缸 7， 储料罐 30和储料罐 31分别通过输入 通道 8和输入通道 9与出料通道 4连接， 储料罐 30和储料罐 31分别通过输出通道 10 和输出通道 11与滚筒式过滤机构的出口端连接， 输入通道 10和输出通道 11上均 设有截止阀或单向阀 13。 滚筒式过滤机构包括中空圆柱状的滚筒 14、 棘轮或齿 轮 15， 棘轮或齿轮 15与滚筒 14键连接且同心设置， 棘轮或齿轮 15外部设有棘爪 1 9, 棘轮或齿轮 15由动力机构带动， 滚筒 14外圆周上均匀设有多个滤网沉槽 35， 滚筒 14上径向于滤网沉槽 35与出料通道 4之间设有过滤孔 16， 滤网沉槽 35外圆周 上装有过滤网 17和压网板 18。 本体 1上对称设有滤网更换口 20和滤网更换口 21， 滤网更换口 20和滤网更换口 21处分别设有一个脏料出口， 滤网更换口 20和滤网 更换口 21分别与两进料通道呈一定夹角设置。 本体 1上分别设有引料通道 22和排 气通道 23， 引料通道 22分别与进料通道 2和进料通道 3连接， 排气通道 23与脏料 出口 20和脏料出口 21连接。 [26] Specific implementation As shown in FIG. 1 to FIG. 4, the in-machine backwashing purification device of the present invention comprises a body 1 in which a feed channel 2, a feed channel 3 and a discharge channel 4, a feed channel 2 are provided. It has the same feed port 5 as the feed channel 3 and is symmetrically arranged. The discharge channel 4 is axially disposed in the center of the body 1, between the feed channel 2 and the outlet end of the feed channel 3 and the inlet end of the discharge channel 4. A drum filter mechanism is provided, and the body 1 is provided with a backwashing power mechanism. The backwashing power mechanism includes a storage tank 30 and a storage tank 31 radially disposed symmetrically in the body 1, a storage tank 30 and a storage tank 31. There are respectively a piston 32 and a piston 33. The piston 32 and the outer end of the piston 33 are respectively connected with a hydraulic cylinder or a pneumatic cylinder 6 and a hydraulic cylinder or a pneumatic cylinder 7. The storage tank 30 and the storage tank 31 respectively pass through the input passage 8 and The input channel 9 is connected to the discharge channel 4, and the storage tank 30 and the storage tank 31 are connected to the outlet end of the drum filter mechanism through the output channel 10 and the output channel 11, respectively, and the input channel 10 and the output channel 11 are provided with a cutoff. Valve or check valve 13. The drum filter mechanism includes a hollow cylindrical drum 14, a ratchet or gear 15, and a ratchet or gear 15 is keyed and concentrically arranged with the drum 14, and a ratchet or gear 15 is externally provided with a pawl 19. The ratchet or gear 15 is driven by a power mechanism. A plurality of sieve sinking grooves 35 are uniformly disposed on the outer circumference of the drum 14, and a filter hole 16 is disposed between the screen sinking groove 35 and the discharge passage 4 on the drum 14, and the outer circumference of the sieve sinking groove 35 is installed Filter 17 and platen 18 are provided. A filter replacement port 20 and a filter replacement port 21 are symmetrically disposed on the body 1, and a dirty material outlet is respectively disposed at the filter replacement port 20 and the filter replacement port 21, and the filter replacement port 20 and the filter replacement port 21 are respectively It is placed at an angle with the two feed channels. The body 1 is provided with a feeding passage 22 and an exhaust passage 23, respectively, and the feeding passage 22 is connected to the feeding passage 2 and the feeding passage 3, respectively, and the exhaust passage 23 is connected to the dirty material outlet 20 and the dirty material outlet 21.
[28] 工作吋， 待过滤的流体物料由进料口 5进入进料通道 2和进料通道 3， 物料接着 通过压网板 18、 过滤网 17、 过滤孔 16进入出料通道 4排出本体 1， 完成过滤净化 作业。 当过滤网 17污染堵塞吋， 进料压力升高， 进料通道 2或进料通道 3处的压 力传感器给出需要清洗或更换过滤网 17的报警信号， 信号指使动力机构驱动棘 轮或齿轮 15转动， 棘轮或齿轮 15带动过滤转盘 14转动一定角度， 过滤网 17更新 一部分， 料流压力降低， 这样就不会影响生产的连续进行。 与此同吋， 被堵塞 的滤网随滚筒 14同步转动进入到冲洗位置， 截止阀或单向阀 13打开， 过滤后的 干净料流通过输入通道 8和输入通道 9分别进入储料罐 30和储料罐 31， 当储料罐 3 0和储料罐 31内充满干净物料并达到一定压力吋， 截止阀或单向阀 13关闭， 液压 缸或气压缸 6和液压缸或气压缸 7快速推进活塞 32和活塞 33， 迫使储料罐 30和储 料罐 31内的干净物料通过输出通道 10和输出通道 11， 然后依次通过过滤孔 16、 过滤网 17、 压网板 18对过滤网 17进行反向高压冲洗， 喷出的料流连同杂质从脏 料出口 20和脏料出口 21排出， 至此完成一次反向清洗。 另外， 在脏料出口 20和 脏料出口 21处更换过滤网 17后， （过滤网 17釆用一块接一块的更换方式， 每更 换一块， 棘轮或齿轮 15需要转动一定角度， ） 料流通过引料通道 22将后一块过 滤网 17所在的过滤孔 16填满， 其内的气体通过排气通道 23排出， 然后棘轮或齿 轮 15转动一定角度后能顺畅地开始工作。 其中引料通道 22深 l〜2mm， 在补料吋 只有很少的料流通过， 不会影响正常工作吋整体料流压力的， 排气通道 23深 0.1 〜0.2mm， 正常压力下料流不会通过， 因此不会出现漏料现象。 [28] Working 吋, the fluid material to be filtered enters the feed channel 2 and the feed channel 3 from the feed port 5, and the material then enters the discharge channel 4 through the pressure plate 18, the filter 17, and the filter hole 16 to discharge the body 1 , complete the filtration purification operation. When the filter 17 contaminates the blockage, the feed pressure rises, and the pressure sensor at the feed channel 2 or the feed channel 3 gives an alarm signal to clean or replace the filter 17, which signals the power mechanism to drive the ratchet or gear 15 to rotate. The ratchet or gear 15 drives the filter turntable 14 to rotate at a certain angle, and the filter net 17 is renewed, and the flow pressure is lowered, so that the continuous production is not affected. At the same time, the blocked filter screen rotates synchronously with the drum 14 to the flushing position, the shut-off valve or the check valve 13 is opened, and the filtered clean stream enters the storage tank 30 through the input channel 8 and the input channel 9, respectively. The storage tank 31, when the storage tank 30 and the storage tank 31 are filled with clean materials and reach a certain pressure, the shut-off valve or the check valve 13 is closed, the hydraulic cylinder or the pneumatic cylinder 6 and the hydraulic cylinder or pneumatic cylinder 7 are rapidly advanced. Piston 32 and piston 33, forcing storage tank 30 and storage The clean material in the tank 31 passes through the output passage 10 and the output passage 11, and then through the filter hole 16, the filter 17, and the pressure plate 18, the filter 17 is subjected to reverse high pressure washing, and the discharged stream together with the impurities are dirty. The material outlet 20 and the dirty material outlet 21 are discharged, and a reverse cleaning is thus completed. In addition, after the filter 17 is replaced at the dirty material outlet 20 and the dirty material outlet 21, (the filter 17 is replaced by one piece by piece, and each time a piece is replaced, the ratchet or the gear 15 needs to be rotated by a certain angle,) The passage 22 fills the filter hole 16 in which the latter filter 17 is located, and the gas therein is discharged through the exhaust passage 23, and then the ratchet or the gear 15 is rotated by a certain angle to start the work smoothly. The inlet channel 22 is deep l~2mm, and only a small amount of material flows through the feeding crucible, which does not affect the overall working pressure of the whole working stream. The exhaust passage 23 is 0.1 to 0.2 mm deep, and the flow will not flow under normal pressure. Pass, so there will be no leakage.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920092076.6 | 2009-07-30 | ||
| CN2009200920766U CN201454232U (en) | 2009-07-30 | 2009-07-30 | Built-in back washing purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011011929A1 true WO2011011929A1 (en) | 2011-02-03 |
Family
ID=42381576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2009/073157 Ceased WO2011011929A1 (en) | 2009-07-30 | 2009-08-10 | Back-flushing purifying device inside body |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201454232U (en) |
| WO (1) | WO2011011929A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921208B (en) * | 2012-10-29 | 2014-09-10 | 济南大学 | Efficient continuous type reverse-particle-size filter device and technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4995968A (en) * | 1985-11-21 | 1991-02-26 | Snelling Peter J | Filters |
| US5362223A (en) * | 1992-05-11 | 1994-11-08 | Gneuss Kunststofftechnik Gmbh | Filter-changing system for molten plastic |
| CN2459063Y (en) * | 2000-10-20 | 2001-11-14 | 山东莱芜塑料制品股份有限公司 | Net type self counter flushing all plastic filter |
| CN2581044Y (en) * | 2002-11-25 | 2003-10-22 | 冯忠 | Back-washing filter |
| CN2762866Y (en) * | 2004-11-03 | 2006-03-08 | 辽宁石油化工大学 | Visualized and pressure-differential type back-washing filter |
| CN1772461A (en) * | 2005-05-27 | 2006-05-17 | 梁斌 | Melt rotating fast filter for extruder |
| CN1853756A (en) * | 2005-04-18 | 2006-11-01 | 同济大学 | Filter |
| CN1880047A (en) * | 2005-06-14 | 2006-12-20 | 王振保 | Filter with washing screen |
| CN201079714Y (en) * | 2006-10-27 | 2008-07-02 | 姜官利 | Inner washing type dirt separator |
-
2009
- 2009-07-30 CN CN2009200920766U patent/CN201454232U/en not_active Expired - Lifetime
- 2009-08-10 WO PCT/CN2009/073157 patent/WO2011011929A1/en not_active Ceased
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4995968A (en) * | 1985-11-21 | 1991-02-26 | Snelling Peter J | Filters |
| US5362223A (en) * | 1992-05-11 | 1994-11-08 | Gneuss Kunststofftechnik Gmbh | Filter-changing system for molten plastic |
| CN2459063Y (en) * | 2000-10-20 | 2001-11-14 | 山东莱芜塑料制品股份有限公司 | Net type self counter flushing all plastic filter |
| CN2581044Y (en) * | 2002-11-25 | 2003-10-22 | 冯忠 | Back-washing filter |
| CN2762866Y (en) * | 2004-11-03 | 2006-03-08 | 辽宁石油化工大学 | Visualized and pressure-differential type back-washing filter |
| CN1853756A (en) * | 2005-04-18 | 2006-11-01 | 同济大学 | Filter |
| CN1772461A (en) * | 2005-05-27 | 2006-05-17 | 梁斌 | Melt rotating fast filter for extruder |
| CN1880047A (en) * | 2005-06-14 | 2006-12-20 | 王振保 | Filter with washing screen |
| CN201079714Y (en) * | 2006-10-27 | 2008-07-02 | 姜官利 | Inner washing type dirt separator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN201454232U (en) | 2010-05-12 |
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