CN203220801U - Horizontal-belt type vacuum filter switching device - Google Patents
Horizontal-belt type vacuum filter switching device Download PDFInfo
- Publication number
- CN203220801U CN203220801U CN 201320270803 CN201320270803U CN203220801U CN 203220801 U CN203220801 U CN 203220801U CN 201320270803 CN201320270803 CN 201320270803 CN 201320270803 U CN201320270803 U CN 201320270803U CN 203220801 U CN203220801 U CN 203220801U
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- filter
- filter disc
- vacuum
- valve
- switching device
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Abstract
The utility model discloses a horizontal-belt type vacuum filter switching device which is characterized in that a filter disc is included, a filter belt which is in synchronous motion with the filter disc is arranged on the filter disc in a paving mode, a filter cake is arranged on the filter belt, the filter cake is communicated with a vacuum tank through a vacuum valve and communicated with the atmosphere through an atmosphere switching valve, a main cylinder for pulling back the filter disc and a rail for bearing the filter disc are further included, a vacuum advancing limiter and a retreating limit valve are arranged at the two ends of the stroke of filter disc on the rail respectively, and power-off protection switches are arranged at the outer ends of the two ends of the limit valve. Compared with the prior art, the problems that materials shift and the filter belt is torn due to the fact that the filter disc and the filter belt are not synchronous are avoided, and the horizontal-belt type vacuum filter switching device has the advantages that operation and maintenance are convenient, operation of the device is balanced, maintenance cost is low, service life is long, and using is safe.
Description
Technical field
The utility model relates to a kind of improvement of filter, specifically a kind of horizontal vacuum filter switching device shifter.
Background technology
In citric acid and other chemical production field, horizontal vacuum band-type filter machine is adopted in the filtration of material mostly, and operation principle is divided into 4 stages.
1, vacuum stroke: filter process begins, and slip is distributed on the strainer, and filter disc and strainer move forward synchronously, and the slip on the filter bag carries out suction filtration under the effect of pull of vacuum, runs into stroke contact stopping means up to vacuum pan, cuts off till the vacuum.
2. backstroke: this moment, filter bag continued with same speed reach, and after vacuum pan ran into the contact stopping means, the action of vacuum transfer valve made filter disc discharge vacuum immediately, and filtering table is towed back to the home position rapidly by master cylinder.Go round and begin again like this and carry out the suction filtration process.
The washing blot: the slip on the filter bag behind vacuum filtration in order better solution to be taken out from filter cake or to regain, so wash.Washing is adopted clear water to spray and is stirred or the fluid column displacement, through repeatedly countercurrent washing, filter cake can be cleaned.Washing back filter cake blots through blotting the district, and the filter cake water capacity can be different and different according to material.
4. slag dumping: filter cake utilizes devices such as the variation of driving wheel radius of curvature and scraper after blotting, filter cake is peeled off removal from strainer.The weak point of this device is: filter disc and strainer (driving wheel) are asynchronous in running, filter cloth discounting rapid wear, easily causing initiatively, great wheel place's strainer bending causes " escaping material ", cause loss of material, the material recovery rate is reduced, asynchronous with the strainer operation because of filter disc simultaneously, when filter disc returns, easily tear strainer and influence production, even cause whole strainer to use, have no alternative but change again strainer, and when breaking down, be difficult to judge cause of accident, and the maintenance difficulty, maintenance cost increases.
Summary of the invention
The purpose of this utility model is to provide a kind of Operation and Maintenance, easy to maintenance, makes the horizontal belt filter switching device shifter that operates steadily.
For achieving the above object, the technical program is as follows:
A kind of horizontal vacuum belt filter switching device shifter comprises filter disc, is equipped with the strainer of synchronous operation with it on the filter disc, and the driving wheel of the drive strainer operation that an end of strainer is provided with, the other end of strainer are provided with driven pulley; Be communicated with vacuum tank, be communicated with atmosphere by the atmosphere transfer valve by vacuum valve with filter disc, the strainer top is filter cake; Also include the track be used to the master cylinder that retracts filter disc and carrying filter disc, filter disc stroke two ends are provided with move ahead stop and broken sky of vacuum and retreat limit valve on the track; When the tactile logical vacuum of filter disc moved ahead limit valve, vacuum valve was opened, and filter disc is communicated with vacuum tank, and when the tactile logical broken sky of filter disc retreated limit valve, vacuum valve cut out, and the atmosphere transfer valve is opened, and filter disc communicates with atmosphere.
Further, outer end, described limit valve both sides is provided with cut-offing protecting switch, and when the tactile switch on and off protection switch of filter disc, described switching device shifter outage quits work.
Further, described filter disc both sides are provided with baffle plate along the filter disc bearing of trend, and array is provided with filter opening on the filter disc.
Further, be provided with the sealing plate corresponding with the filter disc upper surface above the described filter cake.
Operation principle of the present utility model and the course of work are as follows:
Technical scheme and operation principle that the utility model adopts are:
The utility model makes 4 pneumatic stops (act as move ahead, retreat, vacuum, broken empty) into 3 electronic stops (act as vacuum moves ahead, broken sky retreats, cuts off the power supply insurance), filter disc and vacuum are switched thoroughly to be disconnected, remove damping oil cylinder, 5 vacuum transfer valves are removed 4, and 5 atmosphere transfer valves are removed 4.
This switching device shifter is removed master cylinder source of the gas that moves ahead, and the travel switch that control is moved ahead cuts off, and changes the position, makes it become discharge cock.
Change the vacuum diverter switch position, make filter disc before returning, at first cut off vacuum, avoid tearing strainer.
This switching device shifter, when vacuum switch starts, utilize vacuum to spur filter disc by the filter cake on strainer surface and move ahead, when the vacuum stroke switch cuts out, rely on master cylinder source of the gas pulling filter disc to return, carry out continuously normal operation, in case vacuum diverter switch breaks down, the filter disc shake-up discharge cock that continues to move ahead can cut off the driving wheel power supply immediately, initiatively great wheel and driven pulley are out of service, avoid the generation of equipment fault.
As seen, change the vacuum switching position, make filter disc at first cut off vacuum before returning, filter disc and vacuum are switched thoroughly disconnection.
The novel beneficial effect of this reality is: convenient operating maintenance, device operation balance, maintenance cost is low, long service life, avoid original device to cause because filter disc is asynchronous with strainer escaping expecting and problem that strainer is torn, there is a discharge cock to play safety effect in addition, avoided the generation of device security accident, the generation of having avoided return speed to produce the bump accident soon simultaneously.
To sum up, this utility model can make level band filter operate steadily, convenient operating maintenance, and maintenance cost is low, has overcome the some shortcomings part that original device exists really.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings;
Fig. 1 is device schematic diagram of the present utility model;
Fig. 2 is filter plate plan structure schematic diagram.
The specific embodiment
The correlation technique content of not addressing below all can adopt or use for reference prior art.
In order to make those skilled in the art person understand technical scheme among the application better, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all should belong to the scope of the application's protection.
Make the utility model with reference to accompanying drawing 1,2.
Make the utility model with reference to accompanying drawing 1,2, at first remove the cylinder cylinder that moves ahead, the travel switch that the control filter disc is moved ahead cuts off, change its installation site, be positioned over horizontal vacuum belt filter, initiatively the great wheel end becomes discharge cock, vacuum is opened switch close the both sides that are installed in the filter disc Returning switch before the make and break respectively with other, fixes getting final product with set bolt.
After the improvement, be communicated with vacuum tank, be communicated with atmosphere by an atmosphere transfer valve by a vacuum valve with filter disc.
So just formed following structure: a kind of horizontal vacuum belt filter switching device shifter, comprise filter disc 1, filter disc 1 both sides are provided with baffle plate along filter disc 1 bearing of trend, and array is provided with filter opening 11 on the filter disc 1.
Be equipped with the strainer 2 of synchronous operation with it on the filter disc 1, the driving wheel 3 of the drive strainer operation that an end of strainer 2 is provided with, the other end of strainer 2 are provided with driven pulley 4; Be communicated with vacuum tank 5, be communicated with atmosphere by the atmosphere transfer valve by vacuum valve with filter disc 1, strainer 2 tops are filter cake 6; Described filter cake 6 tops are provided with the sealing plate 9 corresponding with filter disc 1 and filter cake 6 upper surfaces.
Also include the track 8 be used to the master cylinder 7 that retracts filter disc and carrying filter disc.
Filter disc stroke two ends are provided with move ahead stop and broken sky of vacuum and retreat limit valve on the track 8; When the tactile logical vacuum of filter disc moved ahead limit valve, vacuum valve was opened, and filter disc is communicated with vacuum tank, and when the tactile logical broken sky of filter disc retreated limit valve, vacuum valve cut out, and the atmosphere transfer valve is opened, and filter disc communicates with atmosphere.
Filter disc stroke two ends are provided with move ahead stop and broken sky of a vacuum and retreat limit valve on the track; Utilizing vacuum to spur filter disc by the filter cake on strainer surface moves ahead, when the tactile logical broken sky of filter disc retreats limit valve, vacuum valve cuts out, the atmosphere transfer valve is opened, and filter disc communicates with atmosphere when the vacuum stroke switch cuts out, and relies on master cylinder source of the gas pulling filter disc to return, when the tactile logical vacuum of filter disc moves ahead limit valve, vacuum valve is opened, and filter disc is communicated with vacuum tank, carries out continuously normal operation.
Outer end, described limit valve both sides is provided with cut-offing protecting switch, when filter disc touches the switch on and off protection switch, in case vacuum diverter switch breaks down; the filter disc shake-up discharge cock that continues to move ahead; can cut off the electricity supply immediately, avoid the generation of equipment fault, initiatively great wheel and driven pulley are out of service.
The above only is the application's preferred embodiment, makes those skilled in the art can understand or realize the application.Multiple modification to these embodiment will be apparent to one skilled in the art, and defined General Principle can realize under the situation of the spirit or scope that do not break away from the application in other embodiments herein.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. horizontal vacuum belt filter switching device shifter is characterized in that: comprise filter disc, be equipped with the strainer of synchronous operation with it on the filter disc, the driving wheel of the drive strainer operation that an end of strainer is provided with, the other end of strainer are provided with driven pulley; Be communicated with vacuum tank, be communicated with atmosphere by the atmosphere transfer valve by vacuum valve with filter disc, the strainer top is filter cake; Also include the track be used to the master cylinder that retracts filter disc and carrying filter disc, filter disc stroke two ends are provided with move ahead stop and broken sky of vacuum and retreat limit valve on the track; When the tactile logical vacuum of filter disc moved ahead limit valve, vacuum valve was opened, and filter disc is communicated with vacuum tank, and when the tactile logical broken sky of filter disc retreated limit valve, vacuum valve cut out, and the atmosphere transfer valve is opened, and filter disc communicates with atmosphere.
2. horizontal vacuum belt filter switching device shifter according to claim 1, it is characterized in that: outer end, described limit valve both sides is provided with cut-offing protecting switch, and when filter disc touches the switch on and off protection switch, described switching device shifter outage quits work.
3. horizontal vacuum belt filter switching device shifter according to claim 1, it is characterized in that: described filter disc both sides are provided with baffle plate along the filter disc bearing of trend, and array is provided with filter opening on the filter disc.
4. according to claim 1 or 3 described horizontal vacuum belt filter switching device shifters, it is characterized in that: described filter cake top is provided with the sealing plate corresponding with the filter disc upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320270803 CN203220801U (en) | 2013-05-17 | 2013-05-17 | Horizontal-belt type vacuum filter switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320270803 CN203220801U (en) | 2013-05-17 | 2013-05-17 | Horizontal-belt type vacuum filter switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203220801U true CN203220801U (en) | 2013-10-02 |
Family
ID=49247819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320270803 Expired - Fee Related CN203220801U (en) | 2013-05-17 | 2013-05-17 | Horizontal-belt type vacuum filter switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203220801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178661A (en) * | 2016-08-13 | 2016-12-07 | 安徽东至广信农化有限公司 | A kind of carbendazim production vacuum band-type filter machine |
-
2013
- 2013-05-17 CN CN 201320270803 patent/CN203220801U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178661A (en) * | 2016-08-13 | 2016-12-07 | 安徽东至广信农化有限公司 | A kind of carbendazim production vacuum band-type filter machine |
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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: 20131002 Termination date: 20160517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |