CN110541452A - Pump station multistage filtration system - Google Patents
Pump station multistage filtration system Download PDFInfo
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- CN110541452A CN110541452A CN201910870840.6A CN201910870840A CN110541452A CN 110541452 A CN110541452 A CN 110541452A CN 201910870840 A CN201910870840 A CN 201910870840A CN 110541452 A CN110541452 A CN 110541452A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B5/00—Use of pumping plants or installations; Layouts thereof
Abstract
The invention discloses a pump station multistage filtering system.A water inlet filtering station is arranged between a water pump and a water tank, water obtained from a mine is filtered and then is sent to the water tank, impurities, microorganisms and some metal ions in the water are removed, and the cleanness of the water used in a pump station is ensured; a back-flushing clear water filtering station is connected between the water tank and the spraying pump as well as the automatic emulsion proportioning system, and is used for further filtering water used by the spraying pump and the automatic emulsion proportioning system, so that the service life of the spraying pump and the quality of emulsion proportioned by the automatic emulsion proportioning system are ensured; and a back-washing high-pressure filtering station is connected between the emulsion liquid tank and the emulsion pump and is used for obtaining high-precision emulsion used by the emulsion pump. The whole scheme can ensure the normal operation of the whole pump station, reduce the maintenance and replacement of pump station equipment and achieve the purposes of energy conservation, high efficiency and cost reduction.
Description
Technical Field
the invention relates to the field of filtration, in particular to a multistage filtration system of a pump station.
background
at present, in order to reduce the cost and improve the benefit, coal enterprises have to compress the cost of each ton of coal, and adopt a series of methods for dealing with the low-coal-content market, such as energy conservation, consumption reduction, recycling, technological innovation and the like. In the past production, each enterprise has little concern about the medium used by the hydraulic support. Often, the raw water of the mine is directly and singly used as a liquid supply medium of the hydraulic support. The water contains a large amount of impurities, microorganisms and metal ions. The substances cause blockage of a backwashing filter element of the hydraulic support, and scratches on a valve core of the operating valve and a cylinder barrel of the hydraulic cylinder. The cylinder barrel of the hydraulic cylinder is scratched to cause the plating layer of the cylinder barrel to fall off in different degrees, so that the cylinder barrel is rusted, and finally, the inside liquid of the hydraulic cylinder is scurried to cause the whole hydraulic system to be paralyzed, and the hydraulic support stops working. The general solution is to frequently replace the hydraulic parts such as the filter element, the hydraulic cylinder, the valve, the lock and the like of the back-washing filter of the hydraulic support. The problem is not solved fundamentally. Endless input causes a rise in cost per ton of coal.
Secondly, among the current pump station, filtration system is simple, and liquid cleanliness can not well be controlled. The emulsion can produce the pollution in the production process in the support of retaining, and current filtration system can't clear away and discharge, leads to the filter core easily to block up, the trouble condition such as cluster liquid, influences production efficiency, probably must shut down the change maintenance even. Therefore, the filtering system used by the liquid in the existing pump station is not enough to meet the production requirements of energy conservation, high efficiency and low maintenance cost.
disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a pump station multistage filtering system which is energy-saving, efficient and low in maintenance cost.
the technical scheme adopted by the invention for solving the technical problems is as follows:
A pump station multistage filtering system comprises a water pump, a water tank, a spray pump, an emulsion tank, an emulsion pump and an emulsion automatic proportioning system, wherein the water pump is used for pumping water from a mine to the water tank, the water tank is used for supplying water to the spray pump and the emulsion automatic proportioning system, and the emulsion tank is used for obtaining emulsion from the emulsion automatic proportioning system and providing emulsion for the emulsion pump;
a water inlet filtering station is connected between the water pump and the water tank;
A back-flushing clean water filtering station is connected between the water tank and the spray pump as well as between the water tank and the automatic emulsion proportioning system;
and a back-washing high-pressure filtering station is connected between the emulsion liquid tank and the emulsion pump.
furthermore, the water tank is also connected with a first liquid return tank, the first liquid return tank is connected with the water inlet filtering station, a low-pressure liquid return filtering station is connected between the first liquid return tank and the water tank, and the low-pressure liquid return filtering station is used for filtering water flowing into the water tank from the first liquid return tank.
further, the emulsion tank is connected with a second liquid return tank, and the second liquid return tank is connected with the automatic emulsion proportioning system.
further, the influent water filtration station comprises: the water extracted from the mine is sequentially conveyed to the water tank through a Y-shaped filter, an electric ball valve, a pressure reducing valve, a safety valve, an explosion tank, a primary TD filter material filtering tank, a secondary SS filter material filtering tank, a multi-medium filter material tank and a precision filter tank.
Further, a spare pipeline is arranged between the Y-shaped filter and the pressure reducing valve.
further, the backwash clear water filtration station comprises: the device comprises a water inlet, a backwashing filter, a backwashing water inlet, a backwashing water outlet, a spraying water outlet, an emulsifying water outlet and a sewage outlet; the back-flushing water inlet is arranged at the water outlet end of the back-flushing filter, the back-flushing water outlet is arranged at the water inlet end of the back-flushing filter, and the drain outlet is arranged near the back-flushing water outlet;
When the water is normally filtered, the water in the liquid tank enters the backwashing filter through the water inlet, and after being filtered by the backwashing filter, the water respectively enters the spraying water outlet for a spraying pump or enters the emulsified water outlet for the automatic emulsion proportioning system;
during back washing, the back washing water inlet is filled with water, the water flows from the water outlet end of the back washing filter to the water inlet end of the back washing filter, the back washing filter is cleaned and then flows into a pipeline through the back washing water outlet, and the cleaned waste is discharged through the sewage outlet.
The backwashing high-pressure filtering station comprises a machine base and a high-pressure filter, wherein a rotary machine base is additionally arranged on the upper portion of the machine base, an integrated valve seat device is installed on the rotary machine base, the bottom of the integrated valve seat device is connected with the high-pressure filter and an energy accumulator, the lower portion of the high-pressure filter is connected with a blow-down valve, and a dirty liquid recovery device on the lower portion of the blow-down valve is connected with a recovery filter; a transmission mechanism is arranged at the joint of one side of the rotary base and the upper part of the base;
The integrated valve seat device comprises a check valve, an alternating valve and a recoil valve which are mutually communicated through a main channel of the valve body, and two channels are arranged in the alternating valve and are respectively communicated with two groups of high-pressure filters; the integrated valve seat device is provided with a liquid inlet on the valve body on one side of the alternate valve and a liquid outlet on the other side.
Furthermore, detection pressure gauges are installed on the liquid outlet, the liquid inlet and the energy accumulator.
further, the automatic proportioning system of emulsion includes: the device comprises an emulsion mixer, a control system, an emulsified oil tank, an oiling device and an emulsified oil barrel;
The control system is used for controlling the automatic emulsion proportioning system, and the emulsion mixer is used for being connected with the backwashing clear water filtering station; the emulsified oil barrel is connected with the oil inlet end of the oiling device, the oil outlet end of the oiling device is connected with the emulsified oil tank, and the emulsified oil tank is connected with the emulsified oil mixer; the emulsion mixer is connected with the emulsion tank.
Furthermore, a filtering and pressure reducing device is connected between the backwashing clear water filtering station and the emulsion mixer, and the filtering and pressure reducing device is a filtering and pressure reducing valve and is used for filtering clear water between the water pump and the emulsion mixer and stabilizing the water pressure of the clear water.
has the advantages that:
the technical scheme of the invention provides a pump station multistage filtering system, wherein a water inlet filtering station is arranged between a water pump and a water tank, water obtained from a mine is filtered and then is sent to the water tank, impurities, microorganisms and some metal ions in the water are removed, and the cleanness of the water used in the pump station is ensured; a back-flushing clear water filtering station is connected between the water tank and the spraying pump as well as the automatic emulsion proportioning system, and is used for further filtering water used by the spraying pump and the automatic emulsion proportioning system, so that the service life of the spraying pump and the quality of emulsion proportioned by the automatic emulsion proportioning system are ensured; and a back-washing high-pressure filtering station is connected between the emulsion liquid tank and the emulsion pump and is used for obtaining high-precision emulsion used by the emulsion pump. The whole scheme can ensure the normal operation of the whole pump station, reduce the maintenance and replacement of pump station equipment and achieve the purposes of energy conservation, high efficiency and cost reduction.
Drawings
FIG. 1 is a schematic structural diagram of a multi-stage filtration system of a pump station according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of another pump station multi-stage filtration system according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a backwash high-pressure filtering station provided by the embodiment of the invention;
FIG. 4 is a schematic structural diagram of a backwash clear water filtering station provided by the embodiment of the invention;
FIG. 5 is a schematic structural diagram of a filtering and pressure reducing part in an influent water filtering station according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a low-pressure liquid-returning filtering station according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an automatic emulsion proportioning system according to an embodiment of the present invention.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
referring to fig. 1, an embodiment of the present invention provides a pump station multistage filtration system, in which a water pump, a water tank, a spray pump, an emulsion tank, an emulsion pump, and an emulsion automatic proportioning system are included, the water pump is used for pumping water from a mine to the water tank, the water tank supplies water to the spray pump and the emulsion automatic proportioning system, and the emulsion tank obtains emulsion from the emulsion automatic proportioning system and provides emulsion to the emulsion pump;
A water inlet filtering station is connected between the water pump and the water tank;
A back-flushing clear water filtering station is connected between the water tank and the spraying pump as well as between the water tank and the automatic emulsion proportioning system;
a back-washing high-pressure filtering station is connected between the emulsion liquid tank and the emulsion pump.
the embodiment of the invention provides a pump station multistage filtering system, wherein a water inlet filtering station is arranged between a water pump and a water tank, water obtained from a mine is filtered and then is sent to the water tank, impurities, microorganisms and some metal ions in the water are removed, and the cleanness of the water used in the pump station is ensured; a back-flushing clear water filtering station is connected between the water tank and the spraying pump as well as the automatic emulsion proportioning system, and is used for further filtering water used by the spraying pump and the automatic emulsion proportioning system, so that the service life of the spraying pump and the quality of emulsion proportioned by the automatic emulsion proportioning system are ensured; and a back-washing high-pressure filtering station is connected between the emulsion liquid tank and the emulsion pump and is used for obtaining high-precision emulsion used by the emulsion pump. The whole scheme can ensure the normal operation of the whole pump station, reduce the maintenance and replacement of pump station equipment and achieve the purposes of energy conservation, high efficiency and cost reduction.
as an improved description of the above embodiment, the present invention provides another embodiment of a multistage filtration system for a pump station, where the pump station includes a water pump, a water tank, a spray pump, an emulsion tank, an emulsion pump, and an emulsion auto-proportioning system, the water pump is used to pump water from a mine to the water tank, the water tank supplies water to the spray pump and the emulsion auto-proportioning system, and the emulsion tank obtains emulsion from the emulsion auto-proportioning system and provides emulsion to the emulsion pump;
A water inlet filtering station is connected between the water pump and the water tank;
As a preferred implementation of the embodiment of the present invention, as shown in fig. 5, the incoming water filtering station includes: the water extracted from the mine is subjected to pressure reduction filtration through a first Y-strainer 51, a first electric ball valve 52, a pressure reducing valve 53, a safety valve 54, a second Y-strainer 55 and a second electric ball valve 56 in this order.
the water after pressure reduction and filtration is finally conveyed to a water tank through an aeration tank, a first-stage sand filtering tank, a second-stage SS filtering tank, a multi-medium filtering tank and a precise filtering tank.
Wherein a spare pipeline is arranged between the Y-shaped filter 51 and the pressure reducing valve 53. The used pipeline is prevented from being broken, and the normal work of the whole water inlet filtering station is ensured.
A back-flushing clear water filtering station is connected between the water tank and the spraying pump as well as between the water tank and the automatic emulsion proportioning system;
as a preferred implementation manner of the embodiment of the present invention, as shown in fig. 4, the backwash clear water filtering station includes: a water inlet 41, a backwashing filter 42, a backwashing water inlet 43, a backwashing water outlet 44, a spray water outlet 45, an emulsification water outlet 46 and a sewage outlet 47; the back washing water inlet 43 is used for back washing the water outlet end of the filter 42, the back washing water outlet 44 is arranged at the water inlet end of the back washing filter 42, and the sewage outlet 47 is arranged near the back washing water outlet 44.
During normal filtration, water in the liquid tank enters the backwashing filter 42 through the water inlet 41, and after being filtered by the backwashing filter 42, the water respectively enters the spray water outlet 45 for a spray pump or enters the emulsion water outlet 46 for an emulsion automatic proportioning system;
During back flushing, water enters the back flushing water inlet 43, flows from the water outlet end of the back flushing filter 42 to the water inlet end of the back flushing filter 42, the back flushing filter 42 is cleaned and then flows into a pipeline through the back flushing water outlet 44, and the cleaned waste is discharged through the sewage outlet 47.
The backwash clear water filter station is also called as a clear water backwash filter station, and illustratively, the backwash clear water filter station has a nominal inlet liquid flow of 50 tons/hour, and is divided into two branches after being filtered by an automatic backwash filter of 80 microns:
a spray water outlet: 40 tons/hour, emulsion outlet: 10 tons/hour.
The main performance parameters are:
Power supply: three phases (660VAC/50HZ), 2 KW;
The working environment is as follows: the method is suitable for coal mines containing methane explosive gas;
Backwashing the motor: mining 660V/50HZ, 550W;
a sewage discharge motor: mining direct current 24V;
And (3) backwashing at a fixed time: setting the time of 0-99 hours 59 minutes at will, and setting the time of leaving the factory to 4 hours;
Backwashing time: 0-99 minutes, 59 seconds and 2 minutes after factory setting;
motor insulation grade: f grade;
explosion-proof grade; mining flame-proof ExdI;
The control mode is as follows: timing control;
designing pressure: 3.2 MPa;
Total flow of the system: 50 tons/hour;
Water spray system flow: 40 tons/hour;
emulsion system flow: 10 tons/hour;
the filtering precision of the automatic back-cleaning filter is as follows: 80 microns;
filtering precision of an emulsion water inlet filter: 25 microns;
The external dimension of the case is as follows: 690X 430X 20.
A back-washing high-pressure filtering station is connected between the emulsion liquid tank and the emulsion pump.
as a preferred implementation manner of the embodiment of the present invention, as shown in fig. 3, the backwashing high-pressure filtering station includes a base and a high-pressure filter, a rotary base is additionally provided on the base, an integrated valve seat device is installed on the rotary base, the bottom of the integrated valve seat device is connected to the high-pressure filter and an energy accumulator, the lower part of the high-pressure filter is connected to a blowdown valve, and a dirty liquid recovery device on the lower part of the blowdown valve is connected to a recovery filter; a transmission mechanism is arranged at the joint of one side of the rotary machine base and the upper part of the machine base;
The integrated valve seat device comprises a check valve, an alternating valve and a recoil valve which are mutually communicated through a main channel of the valve body, and two channels are arranged in the alternating valve and are respectively communicated with two groups of high-pressure filters; the integrated valve seat device is provided with a liquid inlet on the valve body on one side of the alternate valve and a liquid outlet on the other side.
it should be noted that the liquid outlet, the liquid inlet and the energy accumulator are all provided with a detection pressure gauge.
optionally, the water tank is further connected with a first liquid return tank, the first liquid return tank is connected with the water inlet filtering station, and a low-pressure liquid return filtering station is connected between the first liquid return tank and the water tank, as shown in fig. 6, the low-pressure liquid return filtering station is used for filtering water flowing into the water tank from the first liquid return tank. The low pressure filter station both sides are the same, and one side of them includes: a sewage outlet 61, a liquid return inlet 62, a high-pressure water inlet 63, a backwashing inlet 64, a flushing inlet 65, a filter element 66, a support seat 67, a filtered water outlet 68 and a backwashing liquid distributor 69. The sewage outlet 61, the liquid return inlet 62, the high-pressure water inlet 63, the backwashing inlet 64, the flushing inlet 65 and the filtered water outlet 68 are provided with valves.
The low-pressure liquid return filtering station comprises two working states, wherein the first working state is a forward filtering state: in forward filtration, water enters the filter cartridge 66 from the return inlet 62, passes from outside the filter cartridge 66, and exits the filtered water outlet 68. During forward filtration, the valves at the liquid return inlet 62 and the filtered water outlet 68 are opened, and the other valves are closed.
The second is a back washing state, when in the back washing state, water enters from the high-pressure water inlet 63 and then enters into the washing inlet 65 and the back washing inlet 64 respectively, and the water entering from the washing inlet 65 washes the inside of the filter element 66; water entering through the backwash inlet 64 enters the backwash liquid distributor 69, which is provided with fine holes through which water is ejected to flush the outside of the filter element 66, and then water flows out through the sewage outlet 61.
Optionally, the emulsion tank is connected to a second liquid return tank, and the second liquid return tank is connected to the automatic emulsion proportioning system. The second liquid return box obtains the emulsion from the automatic emulsion proportioning system, and when the liquid level in the emulsion box is insufficient, the emulsion is automatically returned, so that the emulsion in the emulsion box is sufficient.
As a preferred implementation manner of the embodiment of the present invention, as shown in fig. 7, the automatic emulsion proportioning system includes: the device comprises an emulsion mixer, a control system, an emulsified oil tank, an oiling device and an emulsified oil barrel;
The control system is used for controlling the automatic proportioning system of the emulsion, and the emulsion mixer is used for being connected with the backwashing clear water filtering station; the emulsified oil barrel is connected with the oil inlet end of the oiling device, the oil outlet end of the oiling device is connected with an emulsified oil tank, and the emulsified oil tank is connected with an emulsified oil mixer; the emulsion mixer is connected with the emulsion tank.
preferably, a filtering and pressure reducing device is further connected between the backwashing clear water filtering station and the emulsion mixer, and the filtering and pressure reducing device is a filtering and pressure reducing valve and is used for filtering clear water between the water pump and the emulsion mixer and stabilizing the water pressure of the clear water.
the automatic proportioning system of emulsion is installed in the emulsion pump station, and an important reason that the automatic proportioning device of emulsion can't effectively use is that domestic pump station system does not have the filling device of easy and simple to handle, and the workman can only use hand pump to refuel in the emulsified oil tank, and intensity of labour is big. The working efficiency is low. For the convenience of drawing, a lot of workers use the hand pump to directly pour oil into the emulsion tank, and even some workers directly pour the emulsified oil into the liquid inlet tank. This phenomenon causes the automatic proportioning device of emulsion to be unused for a long time, and emulsion concentration can't be effectively controlled, and emulsion case lid is open for a long time simultaneously, and the pollutant gets into hydraulic system very easily.
in order to solve the above problems, as a preferred implementation manner of the embodiment of the present invention, the oil feeding device is a hydraulic pump, and the hydraulic pump is a full hydraulic automatic oil feeding device, and is configured to pump the emulsified oil in the emulsified oil drum into the emulsified oil tank.
Illustratively, the technical parameters of the full-hydraulic automatic oiling device are as follows:
Driving pressure: 31.5 MPa;
maximum output pressure of emulsified oil: 2.5 MPa;
output flow of emulsified oil: 40L/min.
Wherein, be equipped with the filter in the filling device for filter the impurity in the emulsified oil, ensure that the emulsified oil that refuels in the emulsified oil tank does not receive the pollution.
In the above embodiment, preferably, the emulsion tank includes a liquid suction port, a liquid return port, a high-pressure liquid outlet, a high-pressure liquid filtering device, and an energy accumulator, the liquid suction port is connected to the emulsion mixer and is used for obtaining the emulsion, the liquid return port is used for communicating with the outside air and balancing the pressure in the emulsion tank, the high-pressure liquid outlet is used for the outflow of the emulsion, the high-pressure liquid filtering device is disposed at the high-pressure liquid outlet and is used for filtering the emulsion, and the energy accumulator is connected to the liquid suction port. The energy storage ware stores energy, and when detecting the emulsion liquid level of emulsion liquid incasement lower, the energy storage ware is used for the imbibition of imbibition mouth follow emulsion mixer imbibition with the energy release of storage to emulsion liquid case can automatic fluid infusion, guarantees that emulsion liquid level is normal in the emulsion liquid case.
The emulsion tank, the oiling device, and the pipeline for connection are provided with on-off valves.
as a preferred implementation manner in the embodiment of the present invention, the control system includes a control box and a sensor, and the control box is provided with a display screen, an indicator light and a button; the sensor comprises a concentration sensor and a liquid level sensor which are electrically connected with the control box. The control box collects sensor information of the pumps and peripheral equipment, and according to actual requirements of a workshop, in some embodiments, one control box is used for every two pumps; in other embodiments, one pump and one emulsion tank use one control tank.
Illustratively, the control box includes a 7 "industrial display screen that displays the associated status of the attached equipment, such as the pump, and/or the emulsion tank. In some embodiments, the control box may also display some statistical information, such as the current oil temperature, oil pressure, liquid level of the liquid tank, emulsion concentration of the pump station, the continuous start-up time of the current pump station, and the total working time of the current day and week.
wherein, the pilot lamp on the control box can be used for showing the operating condition of pump station. For example red for stop, green for active, yellow for pause.
It should be noted that the buttons include a start-stop button for local start-stop control, an emergency stop button for emergency stop in case of emergency, and an enable and disable toggle button for local and remote control.
wherein, concentration sensor sets up in the emulsion liquid case, and exemplarily, concentration sensor adopts the present highest, the most reliable refractive formula concentration sensor of permission of precision for detect the concentration of emulsion. The scheme of adopting the refractive concentration sensor can realize the online detection of the concentration of the emulsion and has the real-time communication function with a control system.
the technical parameters of the refractive index concentration sensor are as follows:
Concentration measurement range: 0% -10%;
And (3) measuring precision: plus or minus 0.2 percent.
meanwhile, the liquid level sensor adopts a diffused silicon isolated assembly, and the hydraulic sensor is installed at the bottom of the emulsion tank in a throwing-in or external mode and is used for detecting the liquid level in the emulsion tank and preventing air suction.
Illustratively, the liquid level sensor adopts an American-import diffusion silicon isolated sensitive component, the pressure of liquid is converted into a DC 4mA-20mA current signal through a high-reliability amplifying circuit, and the current signal is output to a control system, the liquid level sensor is a stainless steel shell, and a circuit is sealed in the shell. In some embodiments, the liquid level sensor can be installed in a throw-in type, the sensor is thrown to the bottom of the emulsion tank, the pressure at the bottom of the emulsion tank is measured, the pressure signal and the liquid level height are converted, and the liquid level height in the liquid outlet tank is calculated.
In other embodiments, the liquid level sensor may be mounted externally, and fixed to the bottom of the emulsion tank by welding or the like.
the main technical parameters of the liquid level sensor are as follows:
Working voltage: DC 12V;
measurement range: 0KPa to 20 KPa;
Measuring the liquid level height: 0mm-2000 mm;
quality: about 0.25 kg;
the external dimension is as follows: phi 27mm 124 mm;
The installation mode is as follows: throw-in or external;
Electrical interface: leading in a horn mouth;
A hydraulic interface: phi 20 mm.
Output signal
Analog circuit output type: DC 4mA-20 mA;
basic error of pressure sensor output: 2.5% (F.S).
In the automatic emulsion proportioning system provided by the embodiment, the filtering and pressure reducing device is connected between the water pump and the emulsion mixer, and the filtering and pressure reducing device provides clear water and stabilizes the water pressure of the clear water for the emulsion mixer; the water pump adopts a booster pump to provide water with stable pressure for the emulsion mixer. The adaptability of the proportioning device to water pressure change is improved. The oiling device adopts a hydraulic pump to pump emulsified oil into the emulsion tank; be equipped with the filter in the filling device, filter unnecessary impurity, provide clear emulsified oil. The cleaning and the stability of the inlet water and the inlet oil are realized. Emulsion liquid case can automatic monitoring liquid level and automatic fluid infusion, has solved the storage and the management problem of emulsion. The whole system can automatically mix the emulsion without manual mixing of workers, thereby reducing the labor intensity of the workers, improving the stability of the mixing concentration of the emulsion and improving the production efficiency.
according to the embodiment of the pump station multistage filtering system, the first liquid return tank and the second liquid return tank can ensure that water in the water tank and emulsion in the emulsion tank can be supplemented at any time when the water and the emulsion are insufficient, so that the normal work of the pump station is ensured, the emulsion automatic proportioning system can automatically proportion the emulsion without manual proportioning by workers, the labor intensity of the workers is reduced, the stability of the proportioning concentration of the emulsion is improved, and the production efficiency is improved. The filtering and pressure reducing device has the filtering function, and can play a role in stabilizing water pressure aiming at the working condition with small pressure fluctuation. The whole system is subjected to multi-stage filtration, so that the normal operation of the whole pump station is ensured, the maintenance and replacement of pump station equipment are reduced, and the purposes of energy conservation, high efficiency and cost reduction are achieved.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and further embodiments of the present application are within the scope of such additional implementations, in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware that is related to instructions of a program, and the program may be stored in a computer-readable storage medium, and when executed, the program includes one or a combination of the steps of the method embodiments.
in addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a separate product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. The utility model provides a multistage filtration system of pump station which characterized in that: the pump station comprises a water pump, a water tank, a spray pump, an emulsion tank, an emulsion pump and an emulsion automatic proportioning system, wherein the water pump is used for pumping water from a mine to the water tank, the water tank is used for supplying water to the spray pump and the emulsion automatic proportioning system, and the emulsion tank is used for obtaining emulsion from the emulsion automatic proportioning system and providing emulsion for the emulsion pump;
A water inlet filtering station is connected between the water pump and the water tank;
a back-flushing clean water filtering station is connected between the water tank and the spray pump as well as between the water tank and the automatic emulsion proportioning system;
And a back-washing high-pressure filtering station is connected between the emulsion liquid tank and the emulsion pump.
2. The system of claim 1, wherein: the water tank is further connected with a first liquid return tank, the first liquid return tank is connected with the water inlet filtering station, a low-pressure liquid return filtering station is connected between the first liquid return tank and the water tank, and the low-pressure liquid return filtering station is used for filtering water flowing into the water tank from the first liquid return tank.
3. The system of claim 1, wherein: the emulsion tank is connected with a second liquid return tank, and the second liquid return tank is connected with the automatic emulsion proportioning system.
4. the system of claim 1, wherein: the influent water filtration station comprises: the water extracted from the mine is sequentially conveyed to the water tank through a Y-shaped filter, an electric ball valve, a pressure reducing valve, a safety valve, an explosion tank, a primary filtering sand filtering tank, a secondary SS filtering tank, a multi-medium filtering tank and a precise filtering tank.
5. the system of claim 4, wherein: and a spare pipeline is arranged between the Y-shaped filter and the pressure reducing valve.
6. The system of claim 1, wherein: the backwash clear water filtering station comprises: the device comprises a water inlet, a backwashing filter, a backwashing water inlet, a backwashing water outlet, a spraying water outlet, an emulsifying water outlet and a sewage outlet; the back-flushing water inlet is arranged at the water outlet end of the back-flushing filter, the back-flushing water outlet is arranged at the water inlet end of the back-flushing filter, and the drain outlet is arranged near the back-flushing water outlet;
When the water is normally filtered, the water in the liquid tank enters the backwashing filter through the water inlet, and after being filtered by the backwashing filter, the water respectively enters the spraying water outlet for a spraying pump or enters the emulsified water outlet for the automatic emulsion proportioning system;
During back washing, the back washing water inlet is filled with water, the water flows from the water outlet end of the back washing filter to the water inlet end of the back washing filter, the back washing filter is cleaned and then flows into a pipeline through the back washing water outlet, and the cleaned waste is discharged through the sewage outlet.
7. the system of claim 1, wherein: the backwashing high-pressure filtering station comprises a base and a high-pressure filter, wherein a rotary base is additionally arranged on the upper part of the base, an integrated valve seat device is installed on the rotary base, the bottom of the integrated valve seat device is connected with the high-pressure filter and an energy accumulator, the lower part of the high-pressure filter is connected with a blow-down valve, and a dirty liquid recovery device on the lower part of the blow-down valve is connected with a recovery filter; a transmission mechanism is arranged at the joint of one side of the rotary base and the upper part of the base;
The integrated valve seat device comprises a check valve, an alternating valve and a recoil valve which are mutually communicated through a main channel of the valve body, and two channels are arranged in the alternating valve and are respectively communicated with two groups of high-pressure filters; the integrated valve seat device is provided with a liquid inlet on the valve body on one side of the alternate valve and a liquid outlet on the other side.
8. The system of claim 7, wherein: and detection pressure gauges are arranged on the liquid outlet, the liquid inlet and the energy accumulator.
9. the system of claim 1, wherein: the automatic proportioning system of emulsion includes: the device comprises an emulsion mixer, a control system, an emulsified oil tank, an oiling device and an emulsified oil barrel;
the control system is used for controlling the automatic emulsion proportioning system, and the emulsion mixer is used for being connected with the backwashing clear water filtering station; the emulsified oil barrel is connected with the oil inlet end of the oiling device, the oil outlet end of the oiling device is connected with the emulsified oil tank, and the emulsified oil tank is connected with the emulsified oil mixer; the emulsion mixer is connected with the emulsion tank.
10. a system according to claim 9, characterized in that: and a filtering pressure reducing device is also connected between the backwashing clear water filtering station and the emulsion mixer, and the filtering pressure reducing device is a filtering pressure reducing valve and is used for filtering clear water between the water pump and the emulsion mixer and stabilizing the water pressure of the clear water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910870840.6A CN110541452A (en) | 2019-09-16 | 2019-09-16 | Pump station multistage filtration system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910870840.6A CN110541452A (en) | 2019-09-16 | 2019-09-16 | Pump station multistage filtration system |
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| CN110541452A true CN110541452A (en) | 2019-12-06 |
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Application publication date: 20191206 |