CN212119140U - Automatic filter pressing system - Google Patents
Automatic filter pressing system Download PDFInfo
- Publication number
- CN212119140U CN212119140U CN202020310384.8U CN202020310384U CN212119140U CN 212119140 U CN212119140 U CN 212119140U CN 202020310384 U CN202020310384 U CN 202020310384U CN 212119140 U CN212119140 U CN 212119140U
- Authority
- CN
- China
- Prior art keywords
- unit
- control valve
- liquid
- outlet
- cleaning
- 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.)
- Active
Links
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model relates to an automatic filter-pressing system, the system includes: the device comprises a liquid-solid storage device, a conveying unit, a filter pressing unit, a cleaning unit, a tailing conveying unit and a PLC (programmable logic controller) control unit; the discharge hole of the liquid-solid storage device is connected with the feed hole of the conveying unit; a control valve is also arranged between the liquid-solid storage device and the conveying unit; the discharge hole of the conveying unit is connected with the feed hole of the filter pressing unit; a flow meter and a liquid inlet valve are sequentially arranged between the conveying unit and the filter pressing unit; the discharge hole of the filter pressing unit is connected with the tailing conveying unit; a filtrate outlet of the filter pressing unit is connected with the cleaning unit; the PLC control unit is connected with the control valve, the flowmeter and the liquid inlet valve; and the PLC control unit is connected with the conveying unit, the filter pressing unit, the cleaning unit and the tailing unit.
Description
Technical Field
The utility model relates to a filter-pressing system, concretely relates to automatic filter-pressing system.
Background
Isophthalonitrile is catalyzed and hydrogenated to prepare m-xylylenediamine, which is used as an aromatic amide and has wide application in the chemical industry. The m-xylylenediamine is mainly used as an epoxy resin curing agent and can also be used as a fine chemical raw material. With the development of chemical industry and aerospace industry in China, the demand of m-xylylenediamine is increasing continuously. The m-phthalonitrile is a manufacturing intermediate of a high-efficiency, low-toxicity, broad-spectrum and low-residue protective bactericide, and the technical production of the m-phthalonitrile comprises an air compressor, a liquid ammonia vaporizer, an ammonia heater, a front-section preheater, a rear-section preheater, a fluidized bed, a material collector, a material collecting spraying device, a filter and a dryer; for example, CN109761851A discloses a method for preparing isophthalonitrile, which comprises adding isophthalic acid into a cyanation reactor, and adding ethylmethylimidazole dihydrogen phosphate ionic liquid, wherein the amount of the ionic liquid is 15-50% of the volume of the isophthalic acid; introducing ammonia, and then reacting; after the reaction is finished, rectifying and purifying the m-phthalonitrile crude product to obtain the m-phthalonitrile. The method adopts ethyl methyl imidazole dihydrogen phosphate ionic liquid as a solvent and a catalyst for preparing isophthalonitrile by using isophthalic acid cyanation, and compared with the prior art, the method has the advantages of easily obtained raw materials, simple operation, simple catalyst preparation and reaction temperature reduction. CN107513026A discloses an automatic discharging process for isophthalonitrile by dry capture, which comprises the steps of cooling mixed gas at an outlet of an oil cooler through a water cooler, enabling the mixed gas to enter a dry trap, controlling the outlet temperature of the dry trap to be 85-135 ℃, separating out gaseous isophthalonitrile into a solid in the dry trap, crushing the isophthalonitrile, conveying the solid to a refining section, enabling tail gas at an outlet of the dry trap to enter a wet trap, enabling sprayed isophthalonitrile slurry to enter a pulping kettle, sending the suspended matter slurry in the pulping kettle to a filter press for filtering through a pulping pump, drying filter residues to obtain a semi-finished product, putting filtrate into a production system for use, and enabling the tail gas at an outlet of the wet trap to enter a tail gas burning device for treatment. Compared with the prior art, the device has the advantages of improving the trapping rate, realizing continuous discharge, reducing the labor intensity of workers, improving the field working environment, reducing the generation amount of waste water and the like.
However, the plate-and-frame type filter is used in the current system, after the filter back plate frame is loosened, harmful gas is easily generated on site, and further, a manual control mode is adopted in the whole filter pressing operation in the prior art, the control is not accurate enough, the materials are easily dispersed in the filter pressing process, the efficiency of the filter pressing process is low, and the filter pressing is not thorough.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, the utility model aims to provide an automatic filter pressing system and application method thereof through changing the artifical manual control mode of original multi-functional filter press, through to feed control, clamp plate hydraulic system control, stirring lift and material crushing control, bleeder valve control and back flush control, the setting and the control of each parameter reach automatic control's purpose.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an automatic filter-pressing system, the system includes: the device comprises a liquid-solid storage device, a conveying unit, a filter pressing unit, a cleaning unit, a tailing conveying unit and a PLC (programmable logic controller) control unit;
the discharge hole of the liquid-solid storage device is connected with the feed hole of the conveying unit;
a control valve is also arranged between the liquid-solid storage device and the conveying unit;
the discharge hole of the conveying unit is connected with the feed hole of the filter pressing unit;
a flow meter and a liquid inlet valve are sequentially arranged between the conveying unit and the filter pressing unit;
the discharge hole of the filter pressing unit is connected with the tailing conveying unit;
a filtrate outlet of the filter pressing unit is connected with the cleaning unit;
the PLC control unit is connected with the control valve, the flowmeter and the liquid inlet valve;
and the PLC control unit is connected with the conveying unit, the filter pressing unit, the cleaning unit and the tailing unit.
As the preferred technical scheme of the utility model, the control valve is pneumatic control valve.
Preferably, the liquid inlet valve is a pneumatic control valve.
As the utility model discloses preferred technical scheme, the conveying unit includes the feed liquor pump.
Preferably, the liquid inlet pump is connected with the PLC control unit.
As the utility model discloses preferred technical scheme, the filter pressing unit includes the pressure filter.
Preferably, the filter press comprises a filter cake outlet, a filtrate upper outlet and a filtrate lower outlet.
Preferably, the filtrate upper outlet is provided with a first pneumatic control valve.
Preferably, the lower filtrate outlet is provided with a second pneumatic control valve.
Preferably, the washing unit is provided with a first liquid outlet and a second liquid outlet.
Preferably, the first liquid outlet is provided with a third pneumatic control valve.
Preferably, the second liquid outlet is provided with a fourth pneumatic control valve.
Preferably, the first liquid outlet of the cleaning unit is connected with a pipeline connecting the first pneumatic control valve and the filtrate upper outlet.
Preferably, the second liquid outlet of the cleaning unit is connected with a pipeline connecting the second pneumatic control valve and the lower filtrate outlet.
Preferably, the first pneumatic control valve, the second pneumatic control valve and the filter press are connected with a PLC controller.
As the utility model discloses preferred technical scheme, the cleaning unit includes clear solution groove and scavenging pump.
Preferably, a fifth pneumatic control valve is arranged between the cleaning liquid tank and the cleaning pump.
Preferably, the washing pump and the fifth pneumatic control valve are connected with a PLC controller.
As the utility model discloses preferred technical scheme, the tails transport unit includes screw feeder.
Preferably, the screw feeder conveys the filter cake to a drying process.
The utility model discloses in, according to the production condition of reality a preset feed liquor volume parameter in PLC control system: lifting a pressure plate in a filter press of the filter press to a set highest point position; the stirrer of the filter pressing surface is lowered to the set lowest point position; the filtrate upper outlet valve and the filtrate lower outlet valve of the filter press are in an automatic opening state; after filter pressing is finished, the stirrer of the filter press is automatically jacked upwards to a set position, and after the stirrer of the stirring motor is automatically started to rotate reversely for 2-3 minutes, the stirrer is automatically switched to rotate forwards to break up materials; the stirrer automatically falls to the lowest point position in the process of rotating and scattering materials; adjusting the rotation direction of the stirrer to be reverse: namely, the material is discharged, and the material automatically falls to the spiral discharging feeder and is sent to the drying system. Determining whether to start a backwashing device according to the feeding and discharging conditions of the filter press, and closing a valve of a discharging port after discharging is finished when cleaning is needed; automatically closing the upper liquid valve, automatically opening the lower liquid outlet valve, starting the cleaning pump, automatically opening the upper cleaning valve to reversely inject cleaning liquid into the machine, cleaning the filter screen of the upper pressing plate for 2-3 minutes, and then automatically closing the upper cleaning valve; automatically opening a filtrate upper outlet valve, automatically closing a filtrate lower outlet valve, automatically opening a lower cleaning valve to reversely inject cleaning fluid into the machine, cleaning a lower filter screen for 2-3 minutes, and then automatically closing the lower cleaning valve;
compared with the prior art, the utility model discloses following beneficial effect has at least:
the utility model discloses in change original multi-functional pressure filter manual control mode, through to feeding control, clamp plate hydraulic system control, stirring lift and material crushing control, bleeder valve control and back flush control, the setting and the control of each parameter reach automatic control's purpose.
Drawings
Fig. 1 is a schematic view of an automatic filter pressing system provided in embodiment 1 of the present invention.
The present invention will be described in further detail below. However, the following examples are only simple examples of the present invention, and do not represent or limit the scope of the present invention, which is defined by the appended claims.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
To better illustrate the present invention, facilitating the understanding of the technical solutions of the present invention, typical but not limiting embodiments of the present invention are as follows:
example 1
This embodiment provides an automatic filter pressing system, the system includes: the device comprises a liquid-solid storage device, a conveying unit, a filter pressing unit, a cleaning unit, a tailing conveying unit and a PLC (programmable logic controller) control unit;
the discharge hole of the liquid-solid storage device is connected with the feed hole of the conveying unit;
a control valve is also arranged between the liquid-solid storage device and the conveying unit;
the discharge hole of the conveying unit is connected with the feed hole of the filter pressing unit;
a flow meter and a liquid inlet valve are sequentially arranged between the conveying unit and the filter pressing unit;
the discharge hole of the filter pressing unit is connected with the tailing conveying unit;
a filtrate outlet of the filter pressing unit is connected with the cleaning unit;
the PLC control unit is connected with the control valve, the flowmeter and the liquid inlet valve;
and the PLC control unit is connected with the conveying unit, the filter pressing unit, the cleaning unit and the tailing unit.
Furthermore, the control valve is a pneumatic control valve, and the liquid inlet valve is a pneumatic control valve.
Further, the conveying unit comprises a liquid inlet pump; the liquid inlet pump is connected with the PLC control unit.
Further, the filter pressing unit comprises a filter press; the filter press comprises a filter cake outlet, a filtrate upper outlet and a filtrate lower outlet; a first pneumatic control valve is arranged at the upper outlet of the filtrate; a second pneumatic control valve is arranged at the lower outlet of the filtrate; the cleaning unit is provided with a first liquid outlet and a second liquid outlet; the first liquid outlet is provided with a third pneumatic control valve; the second liquid outlet is provided with a fourth pneumatic control valve; a first liquid outlet of the cleaning unit is connected with a pipeline which is connected with the first pneumatic control valve and the filtrate upper outlet; a second liquid outlet of the cleaning unit is connected with a pipeline which is connected with a second pneumatic control valve and a filtrate lower outlet; and the first pneumatic control valve, the second pneumatic control valve and the filter press are connected with the PLC.
Further, the cleaning unit comprises a cleaning solution tank and a cleaning pump; a fifth pneumatic control valve is arranged between the clear liquid tank and the cleaning pump; and the cleaning pump and the fifth pneumatic control valve are connected with the PLC.
Further, the tailing conveying unit comprises a spiral feeder; and the spiral feeder conveys the filter cake to a drying process.
According to the above embodiment, the utility model discloses in change original multi-functional pressure filter manual control mode, through to feeding control, clamp plate hydraulic system control, stirring lift and material crushing control, bleeder valve control and back flush control, the setting and the control of each parameter reach automatic control's purpose.
The applicant states that the present invention is described by the above embodiments, but the present invention is not limited to the above detailed structural features, i.e. the present invention can be implemented only by relying on the above detailed structural features. It should be clear to those skilled in the art that any modifications to the present invention, to the equivalent replacement of selected parts and the addition of auxiliary parts, the selection of specific modes, etc., all fall within the scope of protection and disclosure of the present invention.
The above detailed description describes the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be within the scope of the present invention, and can be right to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (6)
1. An automated pressure filtration system, the system comprising: the device comprises a liquid-solid storage device, a conveying unit, a filter pressing unit, a cleaning unit, a tailing conveying unit and a PLC (programmable logic controller) control unit;
the discharge hole of the liquid-solid storage device is connected with the feed hole of the conveying unit;
a control valve is also arranged between the liquid-solid storage device and the conveying unit;
the discharge hole of the conveying unit is connected with the feed hole of the filter pressing unit;
a flow meter and a liquid inlet valve are sequentially arranged between the conveying unit and the filter pressing unit;
the discharge hole of the filter pressing unit is connected with the tailing conveying unit;
a filtrate outlet of the filter pressing unit is connected with the cleaning unit;
the PLC control unit is connected with the control valve, the flowmeter and the liquid inlet valve;
and the PLC control unit is connected with the conveying unit, the filter pressing unit, the cleaning unit and the tailing unit.
2. The automatic filter pressing system of claim 1 wherein the control valve is a pneumatic control valve;
the liquid inlet valve is a pneumatic control valve.
3. The automatic pressure filtration system of claim 1, wherein the delivery unit comprises a liquid inlet pump;
the liquid inlet pump is connected with the PLC control unit.
4. The automated pressure filtration system of claim 1, wherein the pressure filtration unit comprises a filter press;
the filter press comprises a filter cake outlet, a filtrate upper outlet and a filtrate lower outlet;
a first pneumatic control valve is arranged at the upper outlet of the filtrate;
a second pneumatic control valve is arranged at the lower outlet of the filtrate;
the cleaning unit is provided with a first liquid outlet and a second liquid outlet;
the first liquid outlet is provided with a third pneumatic control valve;
the second liquid outlet is provided with a fourth pneumatic control valve;
a first liquid outlet of the cleaning unit is connected with a pipeline which is connected with the first pneumatic control valve and the filtrate upper outlet;
a second liquid outlet of the cleaning unit is connected with a pipeline which is connected with a second pneumatic control valve and a filtrate lower outlet;
and the first pneumatic control valve, the second pneumatic control valve and the filter press are connected with the PLC.
5. The automatic pressure filtration system of claim 1, wherein the cleaning unit comprises a cleaning tank and a cleaning pump;
a fifth pneumatic control valve is arranged between the clear liquid tank and the cleaning pump;
and the cleaning pump and the fifth pneumatic control valve are connected with the PLC.
6. The automated press filtration system of claim 1, wherein the tailings delivery unit comprises a screw feeder;
and the spiral feeder conveys the filter cake to a drying process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020310384.8U CN212119140U (en) | 2020-03-13 | 2020-03-13 | Automatic filter pressing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020310384.8U CN212119140U (en) | 2020-03-13 | 2020-03-13 | Automatic filter pressing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212119140U true CN212119140U (en) | 2020-12-11 |
Family
ID=73674137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020310384.8U Active CN212119140U (en) | 2020-03-13 | 2020-03-13 | Automatic filter pressing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212119140U (en) |
-
2020
- 2020-03-13 CN CN202020310384.8U patent/CN212119140U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208980475U (en) | A kind of wastewater treatment equipment of the production of lithium battery containing N-Methyl pyrrolidone | |
| CN212119140U (en) | Automatic filter pressing system | |
| CN108201934B (en) | Stone grinding device for engineering and working method thereof | |
| CN205913879U (en) | Ceramic raw materials sludge -water separation device | |
| CN111167196A (en) | Automatic filter pressing system and using method thereof | |
| CN110652779A (en) | Plate-and-frame filter press for wastewater treatment | |
| CN207169708U (en) | A kind of mixing arrangement of chemical reaction kettle | |
| CN214612142U (en) | Spiral mixing and feeding mechanism for replacing slurry flocculation stirrer and filter press unit | |
| CN212877552U (en) | Particle forming device for chicken feed processing production | |
| CN211566551U (en) | Epoxy apparatus for producing | |
| CN213222508U (en) | Grinder for thick liquids | |
| CN218811312U (en) | Drilling waste mud treatment device | |
| CN218421240U (en) | Automatic back-blowing system device of filter press | |
| CN216396923U (en) | Thick liquids automatic feed device warms up graphite alkene | |
| CN219110934U (en) | Washing, spraying and filtering device for 4,4' -dinitrodiphenyl ether | |
| CN206661208U (en) | A kind of heterogeneous catalytic reaction separation coupling device | |
| CN209317147U (en) | Feed lard, slag separation equipment | |
| CN219399206U (en) | Acid washing device of ceramic filter | |
| CN209696715U (en) | The anti-spilled constant temperature agitator tank of chemical industry | |
| CN212632041U (en) | High-efficiency filtering device | |
| CN205055989U (en) | Industrial cleaning agent preparation system | |
| CN218827248U (en) | Production system of fuel cell platinum-carbon catalyst | |
| CN219186596U (en) | Tank wall descaling system of material dissolving tank | |
| CN114702020B (en) | Production line for preparing nano lithium iron phosphate from titanium dioxide auxiliary waste ferrous sulfate | |
| CN220976937U (en) | Two schizosaccharomyces cerevisiae fermentation product filter equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |