CN202860205U - Plate-frame press filter for solid-liquid separation of silicon slice cutting liquid - Google Patents
Plate-frame press filter for solid-liquid separation of silicon slice cutting liquid Download PDFInfo
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- CN202860205U CN202860205U CN2012204342413U CN201220434241U CN202860205U CN 202860205 U CN202860205 U CN 202860205U CN 2012204342413 U CN2012204342413 U CN 2012204342413U CN 201220434241 U CN201220434241 U CN 201220434241U CN 202860205 U CN202860205 U CN 202860205U
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- press filter
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Abstract
The utility model discloses a plate-frame press filter for solid-liquid separation of silicon slice cutting liquid. The press filter comprises a press filter main body composed of a movable plate frame, a fixed plate frame, a feeding tube, and a valve on the feeding tube, wherein the feeding tube comprises a first feeding tube and a second feeding tube, the first feeding tube is connected with the movable plate frame, and the second feeding tube is connected with the fixed plate frame; and a discharge groove is formed below the press filter main body, the discharge groove is communicated with a discharge box in the press filter, a feeding belt is arranged in the discharge box, a rotary scraping plate device is arranged on the surface of the feeding belt, and a liquid drainage tube is arranged at the lower end of the discharge box. The time for filtering, water washing and pressing of the press filter are obviously shortened under a same pressure condition, so that the use efficiency of the press filter is improved; the water washing for a filter cake is more adequate, and the recovery rate of feed liquid is high; the water content of the filter cake is low and uniform, and energy consumption in subsequent comprehensive utilization is low; the energy-saving effect is good; and the flow is simple and is easy to operate. Because a discharge mode is realized by an automatically discharge structure with a pulling plate and a scraping plate, the automation degree of the press filter is enhanced.
Description
Technical field
The utility model relates to the solid-liquid separation technique field, is specifically related to a kind of silicon wafer cutting fluid Separation of Solid and Liquid plate and frame filter press.
Background technology
At present when using plate thick stick filter press to carry out the silicon wafer cutting fluid Separation of Solid and Liquid, solid-liquid separation method is one endfeed of fixedly sheet frame, the washing from filter, the shortcoming that the method exists is, material is skewness between filter plate, and feed time is longer, and the squeezing time is longer, and through after the long period press filtration, the filter cake moulding is hard, greatly reduces the service efficiency of filter press, has indirectly improved production cost; Charging rear 2/3rds filter cakes terminal even whole filter can not fully be washed, and cause that filter cake moisture content is higher, fluctuation is larger, and follow-up integrated treatment energy consumption is higher; The feed liquid remaining quantity is higher and inhomogeneous in the filter cake, has reduced the feed liquid rate of recovery, thereby has reduced the material yield.For the problem of above existence, equipment or the technique of being badly in need of a kind of rational optimization of searching are improved.Have and play traditional discharge method present and that plate thick stick filter press forms a complete set of: artificial discharging, conveying worm discharging, belt conveyor discharging etc.Its shortcoming is, automaticity is low, and labour intensity is large, and material large to viscosity, that contain organic solvent etc. is had relatively high expectations, thereby has reduced the application efficiency of plate and frame filter press.
The utility model content
The purpose of this utility model is to overcome the defective that exists in the prior art, provides a kind of rational in infrastructure, the plate thick stick filter press of favorable working performance, and this technical scheme adopts the filter-pressing method of two endfeeds, washing.The fixedly sheet frame of sheet frame filter is connected to charging aperture, and movable sheet frame is connected to the continuous charging aperture that is flexible coupling, and the middle filter plate place of filter press utilizes blind plate or utilizes channel-less filter cloth to cut off, and material can be from two ends throat-fed and the washing of filter.The utilization rate of filter press is improved, can realize the filter cake between whole all filter plates of filter press is washed, improve the feed liquid rate of recovery and reduce filter cake moisture content.
For achieving the above object, the technical solution of the utility model is a kind of silicon wafer cutting fluid Separation of Solid and Liquid plate and frame filter press of design, it is characterized in that, described filter press comprises by movable sheet frame, fixedly sheet frame, feed pipe and be positioned at the filter press main body that the valve on the feed pipe consists of, described feed pipe comprises the first feed pipe and the second feed pipe, described the first feed pipe is connected with movable sheet frame, and described the second feed pipe is connected with fixing sheet frame; Be provided with blow tank below described filter press main body, described blow tank communicates with feed box in the filter press, in described feed box feeding belt is set, and is provided with rotary type material scraping plate device on described feeding belt surface, in described feed box lower end discharging tube is set.
Wherein preferred technical scheme is to be fixedly connected with blind plate between two filter plates of the middle part of described filter press main body.Blind plate is separated into two independent sectors with filter press, and blind plate can be with filter plate and filter frame motion, and blind plate is fixedly connected with filter plate.
Preferred technical scheme also has, and described material scraping plate device comprises rotating to be with, and plays the material scraping plate of scraper effect in the setting of described rotation belt surface.
Preferred technical scheme also has, and described feed box tilting can be arranged.
Advantage of the present utility model and beneficial effect are: this filter press is under same pressure condition, and filtration, washing, squeezing time obviously shorten, and the filter press service efficiency improves; The filter cake washing is more abundant, and the feed liquid rate of recovery is high; Filter cake moisture content is low and even, and follow-up comprehensive utilization energy consumption is low; Good energy-conserving effect; The flow process letter is bought, easy operating.Because discharge method adopts automatic pulling plate to add the scraper plate discharging structure, has improved automaticity.With the discharging of scraper plate discharging mechanism, to the wide adaptability of filter cake, discharging large to viscosity and that contain organic solvent material also can be readily solved, and this combination has thoroughly solved spiral discharging machine and has not been suitable for viscous material, and belt conveyor is the difficult problem of organic solvent-resistant not.Because this scraper plate discharging mechanism is provided with discharging tube in minimum point, the feed liquid that sheet frame leaks can be collected into the feed liquid pond by this discharging tube.According to the Liquified gas tanker of material, the material of scraper plate discharging mechanism can be selected stainless steel or ordinary carbon steel.The supporting scraper plate discharging mechanism of an available platen frame filter press, the combination that also can share a scraper plate discharging mechanism according to two of characteristics employings or many platens frame filter press of erecting bed situation or technique.
Description of drawings
Fig. 1 is the structural representation of the utility model plate and frame filter press.
Among the figure: 1, movable sheet frame; 2, fixing sheet frame; 3, valve; 4, the first feed pipe; 5, the second feed pipe; 6, blind plate; 7, blow tank; 8, feed box; 9, feeding belt; 10, discharging tube; 11, rotate band; 12, material scraping plate.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is further described.Following examples only are used for the technical solution of the utility model more clearly is described, and can not limit protection domain of the present utility model with this.
As shown in Figure 1, the utility model is a kind of silicon wafer cutting fluid Separation of Solid and Liquid plate and frame filter press, this filter press comprises by movable sheet frame 1, fixedly sheet frame 2, feed pipe and be positioned at the filter press main body that the valve 3 on the feed pipe consists of, feed pipe comprises the first feed pipe 4 and the second feed pipe 5, the first feed pipe 4 is connected with movable sheet frame 1, and the second feed pipe 5 is connected with fixing sheet frame 2; Be provided with blow tank 7 below the filter press main body, blow tank 7 communicates with feed box 8 in the filter press, and feeding belt 9 is set in feed box 8, is provided with rotary type material scraping plate device on feeding belt 9 surfaces, in feed box 8 lower ends discharging tube 10 is set.
Preferred embodiment is to be fixedly connected with blind plate 6 between two filter plates of the middle part of filter press main body in the utility model.Blind plate is separated into two independent sectors with filter press, and blind plate can be with filter plate and filter frame motion, and blind plate is fixedly connected with filter plate.
Preferred embodiment also has in the utility model, and the material scraping plate device comprises rotating is with 11, plays the material scraping plate 12 of scraper effect in the setting of rotation belt surface.
Preferred embodiment also has in the utility model, feed box 8 tiltings can be arranged.
To be cutting fluid pending in the use procedure from the first feed pipe and the second feed pipe enter simultaneously carries out Separation of Solid and Liquid in the plate and frame filter press, after press filtration is finished, filter cake is washed and reclaims feed liquid from the first feed pipe and the second feed pipe water flowing.Press filtration after the simultaneously charging of two ends of employing plate and frame filter press, under same pressure condition, filtration, washing, squeezing time obviously shorten, and the filter press service efficiency improves.
Pending cutting fluid enters from the first feed pipe or the second feed pipe carries out Separation of Solid and Liquid in the plate and frame filter press, after press filtration is finished, filter cake is washed and reclaims feed liquid from the first feed pipe or the second feed pipe water flowing.Owing to being positioned at the blind plate in the middle of the plate and frame filter press, make press filtration be separated into two parts, can use simultaneously, also can only use separately an end wherein, also can be used alternatingly two ends, this side pressure filter, the other end cleans filter cake, begins to clean filter cake after this side pressure filter is finished, and the other end begins again press filtration, so just can realize continuously uninterrupted press filtration, when having improved the press filtration quality, also improve the operating efficiency of filter press.
The specific embodiment of the application of this filter press in the silicon wafer cutting fluid Separation of Solid and Liquid is:
Utilize pump to enter in oneself the ready plate and frame filter press from the feed pipe at plate and frame filter press two ends simultaneously at silicon wafer cutting fluid in machine, feed pressure is controlled at 0.45MPa and carries out Separation of Solid and Liquid, continue charging after 3 hours, stop feed pump, the feed pipe of high-temperature-hot-water by two ends entered the sheet frame filter filter cake is washed the recovery dilture acid, washed 15 minutes, every leaf filter plate all has hot water to flow out, air blowing 10min, detect the residual acid of filter cake≤0.8%, than equal charging, one endfeed mode time of filter pressing shorten in average 1h of washing condition, the residual acid of filter cake is on average low more than 50%, and filter cake moisture is on average low more than 10%.
The above only is preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. silicon wafer cutting fluid Separation of Solid and Liquid plate and frame filter press, it is characterized in that, described filter press comprises by movable sheet frame, fixedly sheet frame, feed pipe and be positioned at the filter press main body that the valve on the feed pipe consists of, described feed pipe comprises the first feed pipe and the second feed pipe, described the first feed pipe is connected with movable sheet frame, and described the second feed pipe is connected with fixing sheet frame; Be provided with blow tank below described filter press main body, described blow tank communicates with feed box in the filter press, in described feed box feeding belt is set, and is provided with rotary type material scraping plate device on described feeding belt surface, in described feed box lower end discharging tube is set.
2. silicon wafer cutting fluid Separation of Solid and Liquid plate and frame filter press as claimed in claim 1 is characterized in that, is fixedly connected with blind plate between two filter plates of the middle part of described filter press main body.
3. silicon wafer cutting fluid Separation of Solid and Liquid plate and frame filter press as claimed in claim 1 is characterized in that, described material scraping plate device comprises rotating to be with, and plays the material scraping plate of scraper effect in the setting of described rotation belt surface.
4. such as claim 1 or 3 described silicon wafer cutting fluid Separation of Solid and Liquid plate and frame filter press, it is characterized in that, described feed box tilting is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204342413U CN202860205U (en) | 2012-08-30 | 2012-08-30 | Plate-frame press filter for solid-liquid separation of silicon slice cutting liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204342413U CN202860205U (en) | 2012-08-30 | 2012-08-30 | Plate-frame press filter for solid-liquid separation of silicon slice cutting liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202860205U true CN202860205U (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204342413U Expired - Fee Related CN202860205U (en) | 2012-08-30 | 2012-08-30 | Plate-frame press filter for solid-liquid separation of silicon slice cutting liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202860205U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512498A (en) * | 2016-11-18 | 2017-03-22 | 广西金邦泰科技有限公司 | Solid-liquid separation filter pressing equipment with filter plate damping and dislocation-preventing function |
-
2012
- 2012-08-30 CN CN2012204342413U patent/CN202860205U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512498A (en) * | 2016-11-18 | 2017-03-22 | 广西金邦泰科技有限公司 | Solid-liquid separation filter pressing equipment with filter plate damping and dislocation-preventing function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20150830 |
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| EXPY | Termination of patent right or utility model |