CN215927463U - Integrated electro-hydraulic integrated system - Google Patents
Integrated electro-hydraulic integrated system Download PDFInfo
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- CN215927463U CN215927463U CN202122285633.XU CN202122285633U CN215927463U CN 215927463 U CN215927463 U CN 215927463U CN 202122285633 U CN202122285633 U CN 202122285633U CN 215927463 U CN215927463 U CN 215927463U
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Abstract
The utility model provides an integrated electro-hydraulic integrated system, which comprises a water inlet reverse osmosis water treatment device, a stainless steel purification water tank, an emulsion automatic proportioning station, an emulsion auxiliary tank, a return automatic backwashing filter station, an emulsion main tank, a first pressure accumulation station, a second pressure accumulation station, a high-pressure automatic backwashing filter station, an emulsion pump, a clear water tank and a spray pump, and further comprises a control main station, a switch and a combination switch; the utility model realizes the omnibearing functional guarantee of constant-pressure liquid supply, greatly improves the production efficiency, reliability and safety compared with the mode of mechanization and electric appliance control processing, realizes the source reduction and cost reduction, and is a high-yield, high-efficiency, long-time stable working and energy-saving guarantee system for the fully mechanized coal mining face.
Description
Technical Field
The utility model belongs to the field of integrated electro-hydraulic design, and particularly relates to an integrated electro-hydraulic integrated system.
Background
The existing high-end pump station mainly adopts an imported pump station, and occupies the market first of the domestic high-end emulsion pump station according to the characteristics of strong manufacturing technology, advanced manufacturing process, reliable product performance, low failure rate, high automation degree, long service life and the like. However, the factors of high price, delayed after-sale service, long supply period of accessories (vulnerable parts), high maintenance cost and the like need to carefully absorb the design concept and technology of the foreign high-end emulsion pump station, make an effort to overcome the key innovation, explore the localization of the high-end emulsion pump station, reduce the dependence on the foreign high-end emulsion pump station, have important theoretical significance and practical value, research and develop fully mechanized mining equipment with independent intellectual property rights, and the development of the high-end emulsion pump station is one of the key points of research in the field of coal mine automation. The existing emulsion liquid supply system generally has the problems of low pump station flow, incapability of realizing large-flow liquid supply, incapability of accurately controlling the concentration of emulsion, incapability of cooperatively starting and stopping an emulsion pump set, incapability of adapting to the adjustment of the running state of pump feet by the pump station, incomplete protection function and the like.
For example, chinese patent CN201020001909.6 discloses an emulsion preparation system, which comprises a preparation water tank and an automatic proportioning device, wherein the automatic proportioning device comprises an oil pump, an electromagnetic valve and a control box; the system filters and softens supplied water, automatically matches and backflushs high-pressure filtration and other treatments, so that impurities in the emulsion matching water are removed, the water hardness is softened, the emulsion can be automatically prepared according to the concentration requirement, clean, efficient, safe and reliable high-pressure emulsion is provided for fully mechanized coal mining face hydraulic system equipment, the function of the system is limited to automatic matching of the emulsion, functions of communication, fault detection and the like are omitted, and all-round functionality cannot be achieved.
For example, Chinese patent CN200610068517.X discloses an intelligent emulsion pump station for mining, which comprises an emulsion tank, an emulsion pump, an emulsion pipeline and an emulsion pump station controller; the emulsion pump station controller comprises a main control circuit, an auxiliary control circuit and a PLC (programmable logic controller) system control circuit, wherein a pressure sensor, a liquid level sensor, a concentration sensor and an oil level sensor are arranged in an emulsion tank, a temperature sensor is arranged on the emulsion pump, and the sensors are connected with the emulsion pump station controller through cables; the pump station adopts constant-pressure variable liquid supply, variable-frequency speed regulation and intelligent control, has reliable working performance and economical and energy-saving operation, but because underground equipment is complex and many and has a long distance, the pump station does not adopt measures to perform local substation division, so that real-time data cannot be obtained at the first time, and the use condition of the current equipment is not easy to observe.
Therefore, how to provide a guarantee system which can provide all-round functional guarantee for constant-pressure liquid supply, improve the production efficiency, reliability and safety, and can also be a high-yield, high-efficiency, long-time stable working and energy-saving guarantee system for a fully mechanized coal mining face is a technical problem to be solved urgently by technical staff in the field at present.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model aims to design an integrated electro-hydraulic integrated system, and provides a high-yield, high-efficiency, long-time stable working and energy-saving guarantee system for a coal mine fully-mechanized coal mining face.
In order to achieve the above purpose, the present application provides the following technical solutions:
an integrated electro-hydraulic integrated system is characterized in that: the system comprises a water inlet reverse osmosis water treatment device, a stainless steel purification water tank, an emulsion automatic proportioning station, an emulsion auxiliary tank, a return automatic backwashing filter station, an emulsion main tank, a first pressure accumulation station, a second pressure accumulation station, a high-pressure automatic backwashing filter station, an emulsion pump, a clear water tank and a spray pump;
the water inlet reverse osmosis water treatment device, the stainless steel purified water tank, the automatic emulsion proportioning station, the auxiliary emulsion tank, the main emulsion tank, the first pressure accumulation station and the high-pressure automatic backwashing filter station are sequentially connected;
the emulsion auxiliary tank is also connected with the return liquid automatic backwashing filter station;
the emulsion main tank is also connected with the emulsion pump;
the water inlet reverse osmosis water treatment device is also connected with the second pressure accumulating station through the clear water tank;
the clean water tank is also connected with the spraying station.
Preferably, the number of the emulsion pumps is 4, and the number of the spray pumps is 2.
Preferably, the emulsion pump and the spray pump are both provided with a frequency converter.
Preferably, the water inlet reverse osmosis water treatment device, the emulsion main tank, the emulsion pump, the clear water tank and the spray pump are all provided with control substations.
Preferably, the integrated electro-hydraulic integrated system further comprises a control master station, a switch and a combination switch; and the control master station, the switch and the combined switch are connected with each other.
Preferably, the exchanger communicates with a user upper computer to transmit the working data of the pump station and the liquid tank to each other.
Preferably, the control master station consists of a master control box and a master power supply box.
Preferably, the main control box consists of a safety grid plate, a PLC and an isolation optocoupler plate; the industrial control display, the safety grid plate, the PLC and the isolation optical coupling plate are connected with each other and used for signal transmission.
Preferably, the control substation consists of an intrinsic safety controller and a control substation.
Preferably, the local controller comprises an intrinsically safe touch screen, an anti-reverse-connection channel board and a gigabit switch board; the intrinsic safety touch screen, the reverse connection preventing channel plate and the first kilomega switch plate are connected with each other and used for signal transmission; the control substation comprises a power supply, a safety grid plate, a PLC, an isolation optocoupler plate and a kilomega switch plate; the power supply, the safety grid plate, the PLC, the isolation optical coupling plate and the second kilomega switch plate are connected with each other and used for signal transmission.
Compared with the prior art, the utility model has the following beneficial effects:
1. the integrated electro-hydraulic integrated system provided by the utility model realizes liquid supply of a multi-angle system with liquid flow and pressure change by establishing an action model for controlling various action types, time, liquid consumption flow and liquid pressure conductivity of the support, develops an organic fusion system with centralized and distributed control, adopts two driving modes of centralized and independent, reduces the possibility of out-of-control safety, and meets the requirements of intelligent mine construction.
2. The integrated electro-hydraulic integrated system provided by the utility model realizes the omnibearing functional guarantee of automatic control, detection, monitoring, communication, calculation, PID regulation and digital pulse of constant-pressure liquid supply, greatly improves the production efficiency, reliability and safety and realizes the source and cost reduction compared with the mode of mechanization and electric appliance control processing, is a high-yield, high-efficiency, long-time stable working and energy-saving guarantee system for a coal mine fully-mechanized mining working face, and meets the requirements of automatic pushing, pulling and the like of single and grouped supports of an intelligent working face.
3. The integrated electro-hydraulic integrated system, the switch and the like provided by the utility model provide safe and reliable network communication under a coal mine, the equipment can be ensured to upload real-time data in time, the intrinsic safety screen unit is used for on-site display and operation of the substation, the underground equipment is complex and many, the distance is far away, the application of on-site substation is favorable for obtaining first-hand on-site real-time data and observing the use condition of the current equipment, and then the on-site fault detection can be carried out on-site through on-site locking during maintenance, so that the processing work of workers is convenient and safe.
The foregoing description is only an overview of the technical solutions of the present application, so that the technical means of the present application can be more clearly understood and the present application can be implemented according to the content of the description, and in order to make the above and other objects, features and advantages of the present application more clearly understood, the following detailed description is made with reference to the preferred embodiments of the present application and the accompanying drawings.
The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a flow chart of an integrated electro-hydraulic integrated system provided by the utility model;
FIG. 2 is a flow chart of a control master station in an integrated electro-hydraulic integrated system according to the present invention;
FIG. 3 is a flow chart of a control substation in the integrated electro-hydraulic integrated system provided by the utility model;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "the embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrase "one embodiment" or "the present embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Further, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.
The term "at least one" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, at least one of a and B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion.
Example 1
The embodiment introduces an integrated electro-hydraulic integrated system.
Referring to fig. 1, fig. 1 is a flowchart of an integrated electro-hydraulic integrated system according to the present invention.
An integrated electro-hydraulic integrated system is characterized in that: the system comprises a water inlet reverse osmosis water treatment device, a stainless steel purification water tank, an emulsion automatic proportioning station, an emulsion auxiliary tank, a return automatic backwashing filter station, an emulsion main tank, a first pressure accumulation station, a second pressure accumulation station, a high-pressure automatic backwashing filter station, an emulsion pump, a clear water tank and a spray pump;
the water inlet reverse osmosis water treatment device, the stainless steel purified water tank, the automatic emulsion proportioning station, the auxiliary emulsion tank, the main emulsion tank, the first pressure accumulation station and the high-pressure automatic backwashing filter station are sequentially connected;
the emulsion auxiliary tank is also connected with the return liquid automatic backwashing filter station;
the emulsion main tank is also connected with the emulsion pump;
the water inlet reverse osmosis water treatment device is also connected with the second pressure accumulating station through the clear water tank;
the clean water tank is also connected with the spraying station.
Further, the emulsion pump is provided with 4, and the atomizing pump is provided with 2.
Furthermore, frequency converters are arranged on the emulsion pump and the spray pump.
Furthermore, control substations are arranged on the water inlet reverse osmosis water treatment device, the emulsion main tank, the emulsion pump, the clear water tank and the spray pump.
Furthermore, the integrated electro-hydraulic integrated system also comprises a control master station, a switch and a combination switch; the combination switch is connected with a control main station and an exchanger, the control main station, the exchanger and each control substation are in communication connection through a profinet protocol, and the exchanger and the control center are in optical fiber communication connection through a TCP/IP protocol.
Furthermore, the exchanger is communicated with a user upper computer to transmit the working data of the pump station and the liquid tank to each other.
The water source supplied from the mine is purified by the water inlet reverse osmosis water treatment device and then is used as the water source of the emulsification pump station and the spraying pump station. Purified water and emulsified oil are mixed into emulsion in an automatic proportioning station and then enter an emulsion tank, and an emulsion pump outputs the emulsion to provide power sources for coal face hydraulic supports and coal seam water injection, drilling, cutting and the like, and the device is also suitable for ground high-pressure water jet cleaning equipment, underground water injection and other hydraulic equipment. And the support return liquid is filtered by a return liquid automatic back-flushing filter station and then enters an emulsion auxiliary box for recycling. The spraying pump station outputs pressure water to provide power sources for coal mining, tunneling working faces and other places needing spraying and dust removal.
The technical scheme of this embodiment is to pass through the ethernet communication control mode with above-mentioned integrated electricity liquid integration system, the reliable network access of RS485 communication control mode is expanded simultaneously, guarantee the real-time effectual big data of equipment and gather, thereby utilize this ampere of screen unit to be used for the substation to show on the spot and operate, because the equipment is of a great variety in the pit, the distance interval is far away, on the spot substation is favorable to obtaining real-time first hand data, be favorable to observing current equipment in service behavior, secondly on the spot maintenance is through on-the-spot shutting not only convenient but also safe.
Example 2
Based on above-mentioned embodiment 1, this embodiment has introduced the pump station control in integrated electricity liquid integration system, and the pump station control includes the control substation that sets up on control main website and emulsion pump, the spray pump.
Referring to fig. 2, fig. 2 is a flowchart illustrating a control master station in an integrated electro-hydraulic integrated system according to the present invention.
The control main station consists of a main control box and a main power supply box. Signals such as pump station and liquid tank operation, temperature, liquid level, pressure (this ampere) pass through master control case safety grid tray, output safety signal and give PLC processing, and PLC output signal passes through isolation opto-coupler plate, and load such as output safety signal control solenoid valve, switch, main website and ground control center pass through switch optical fiber communication.
Referring to fig. 3, fig. 3 is a flowchart illustrating a control substation in an integrated electro-hydraulic integrated system according to the present invention.
The control substation consists of an intrinsic safety controller and a control substation. Signals such as pump station and liquid tank operation, temperature, liquid level, pressure (intrinsic safety) and the like are transmitted to a safety grid plate of a control substation device through an intrinsic safety controller channel plate (stable electric signal), safety signals are output to an input/output (I/O) module of a Programmable Logic Controller (PLC), PLC output signals are communicated through a switch plate and a main control box, and the safety signals are output to control loads such as an electromagnetic valve and a switch.
The pump station control realizes the automatic proportioning of the pump station emulsion by detecting the proportioning solubility and PID adjusting the proportioning amount of the clear water and the emulsified oil, and the proportioning concentration precision is high.
The pump station control can be according to the working face support with the liquid flow size to the automatic main pump station main pump of opening and close of main pump dynamic and static operating characteristic research of main pump and auxiliary pump, realizes the linkage of many pumps intelligence, "main, time, be equipped with" control, audio-visual the running fatigue degree and the health status of showing the main pump, effectively improved main pump operational reliability, realize emulsion constant voltage output control. And the pressure curve function display is adopted, the stable condition of the pressure is vividly and vividly displayed, the capability of data memory and storage is provided, the use condition of external hardware is effectively displayed, and a good guiding effect is realized on the overhaul and maintenance.
The pump station control can automatically detect the pressure difference of the emulsion outlet filtering device to realize the automatic cleaning of the filtering device, and the control mode comprises a pressure difference mode, a time mode, a pressure difference + time mode and a manual mode.
The pump station control can detect the oil temperature, oil pressure, rotating speed (vibration) and oil level of the emulsion pump station, and the good working state of the pump station is realized.
The pump station control can collect all sensor data, and monitors the working state of the working face in real time on an upper computer system interface, so that self-diagnosis, prejudgment, fault alarm and safe locking are realized, and full-automatic intelligent control of the operation process is realized. The main controller in the integrated electro-hydraulic integrated application system transmits data to each single device on a working face through a network, meanwhile, the same human-computer interface of the main controller can be monitored underground and on the well, remote control operation on the well can be realized, the running condition of the devices can be monitored in real time, the controllability of intelligent unmanned operation of engineering devices is greatly improved, in each set of system, each substation can be in communication data exchange with a main controller ring network, process parameters and protection can be independently acquired and set on site, and in addition, the pumping station can be locked on site during maintenance.
Example 3
Based on the above embodiment 1, the present embodiment introduces an automatic emulsion proportioning station in an integrated electro-hydraulic integrated system.
The automatic emulsion proportioning station mainly comprises a box body, an electric control system, a water supply booster pump, a water supply one-way valve, a water supply filter, a water supply electric valve, a water supply spherical stop valve, a hydraulic automatic proportioning device, a proportional oil filling device, an oil quantity control filtering device, an emulsion conveying pipeline pump, a water supply pressure sensor, a water supply flow sensor, an oil storage chamber oil level sensor, a liquid storage chamber liquid level sensor and the like.
The box body is mainly used for storing emulsified oil and prepared emulsion, is a base frame for mounting various components and parts, is formed by welding stainless steel plates, has enough strength and rigidity, and has the oil storage capacity of 1000L and the liquid storage capacity of 1500L. The oil level and the liquid level observation windows are respectively arranged at the rear part of the right end and two sides of the front end of the box body, so that the height of the oil liquid level can be conveniently observed, the lower part of the box body is provided with a liquid discharging opening, and an oil discharging plug can be screwed off to completely discharge oil in the box body when necessary. The emulsion conveying pipeline pump is arranged at the lower part of the front end of the box body; the water supply booster pump, the water supply filter, the oil quantity control filter device, the water supply check valve, the water supply electric valve, the water supply spherical stop valve and the water supply pressure sensor are arranged at the right end of the box body; the proportional oiling device is arranged at the rear end of the box body; a liquid level sensor is arranged at the top of the liquid storage chamber; the hydraulic automatic liquid distribution device, the water supply flow sensor and the oil supply flow sensor are arranged in the cavity at the upper part of the oil storage chamber; the explosion-proof and intrinsic safety type control box is arranged on the upper part of an oil storage chamber at the rear end of the box body, and an oil level sensor and a manual oil filling port filter are arranged on the front side of the control box.
The automatic proportioning station of emulsion is the integral arrangement, has compact structure, pleasing to the eye, ratio stable performance, receives water supply pressure to influence for a short time, and the oil water stirring mixes characteristics such as even and convenient operation.
The automatic emulsion proportioning station has a data acquisition function and can acquire real-time data of the liquid level of a liquid tank, the oil level of an oil tank, the oil temperature, the emulsion concentration, the state of an electromagnetic valve and the state of an electric valve.
The automatic emulsion proportioning station has a control function and can control the concentration detection range to be 1-15%.
Emulsion automatic ratio station can also protect the emulsified oil level, forbids when the emulsified oil level is not enough to start automatic ratio, can realize the suggestion adds the emulsified oil. After a user puts an oil pipe into the emulsified oil barrel, the emulsified oil in the oil barrel can be automatically pumped, then the emulsified oil is conveyed to the emulsified oil tank to be stored, and the oil pumping is stopped after the oil pipe reaches a set oil level; the proportioning concentration of the emulsion can be accurately controlled to be in a set concentration according to a feedback signal of a concentration sensor; the liquid preparation process realizes full-automatic unattended operation; the device has the acousto-optic alarm function, and can realize the acquisition of liquid level sensor real-time data and liquid level abnormal alarm information such as the liquid level of a liquid distribution box, the oil level of an emulsified oil tank, the liquid level of a working surface liquid tank, the liquid level of a water tank and the like.
The volume design formula of the emulsification tank of the pump station is as follows: v is V1+V2+V3+V4
V1: the volume of water in the box body when the lowest liquid suction port of the booster pump is arranged. Generally, the length, width and lowest height of the liquid tank are taken as Q0The calculation result is 150-200L.
V2: the volume of liquid in all of the conduits,
in the formula: d1Inner diameter of inlet pipe, h1-the total length of the inlet pipe,
d2inner diameter of liquid return pipe h2-total length of return pipe.
V3: volume in pump chamber x number of pumps
V4: the liquid consumption required by the upright post of the bracket during normal work,
in the formula: d3Internal diameter of hydraulic cylinder of stand column, h3-the height of the lifting column is such that,
k1of each standNumber of columns, k2-the number of stents moved at a time.
The design of the volume of the emulsion tank of the pump station: selecting the volume according to the working flow of a pump station:
V1≥3Q+Q0＝1550L
in the formula: q-number of pumps;
Q0flow rate from bottom of liquid tank to lowest liquid level at liquid suction port, taking Q0＝150～200L。
The flow rate of all liquid return pipe refluxes possibly caused by stopping the pump is met.
In the formula: d1、d2Internal diameter of the main inlet pipe and return pipe, d1＝5cm、d2＝6.3cm；
L1、L2The length of the main liquid inlet pipe and the main liquid return pipe is 4500cm in L1 and 4500cm in L2.
The flow difference caused by the expansion of the stand column of the support due to the change of the thickness of the coal bed is met.
V3≥D2hnz1×10-3＝2122.14L
In the formula: d, the inner diameter of the cylinder body of the upright column, wherein D is 32 cm;
h, changing the thickness of the coal seam, wherein H is 110 cm;
n is the number of columns of each bracket, and N is 4;
Z1number of simultaneous supports, z1＝6；
Volume of emulsion tank: v is V1+V2+V3＝4100.66L。
Example 4
Based on the above embodiment 1, the present embodiment introduces a reverse osmosis water treatment device for influent water in an integrated electro-hydraulic integrated system.
The water inlet reverse osmosis water treatment device carries out filtration and adds medicaments to treat hard water through a control system, medicaments, a filter barrel and a water storage tank. 3 MPa-4 MPa high water pressure of raw water directly entering an underground working surface from a ground water source through a shaft due to gravity is collected by a water inlet reverse osmosis water treatment device in an integrated electro-hydraulic integrated application system, and then is fed back to a proportional pressure reducing valve device to reduce the working pressure to about 0.3 MPa-0.5 MPa so as to be used as a water source, and the water source is filtered and purified by a precision filter and then is stored in a soft water tank, reverse osmosis water softening control has softened water tank liquid level protection, and when the softened water level is insufficient, a booster pump is started according to a feedback signal of the liquid level sensor to automatically extract softened purified water. After the user connects water pipe and emulsion case, can realize that the demineralized water in the automatic extraction softened water case supplies water for the emulsion pump. The water inlet reverse osmosis water treatment device can accurately control the pressure of water and remove impurity particles in raw water; the system can also realize the acquisition of real-time data of sensors such as well water pressure, soft water tank liquid level and the like and abnormal liquid level alarm information in the process of softening water, and realize full-automatic unattended operation.
Example 5
Based on the foregoing embodiment 1, this embodiment introduces a frequency converter in an integrated electro-hydraulic integrated system.
And a main CPU module in the integrated electro-hydraulic integrated application system acquires a pressure value supplied to the support system from a pressure sensor. When the pressure of the support hydraulic system exceeds the preset unloading pressure of the electronic unloading valve, the control circuit in the integrated electro-hydraulic integrated application system cuts off the power supply of the electromagnet, the electromagnetic valve is in an opening state, and the slide valve opens the unloading valve to unload. When the pressure of the support hydraulic system is reduced to the preset recovery pressure, a control circuit in the integrated electro-hydraulic integrated application system supplies power to an electromagnet power supply, an electromagnetic pilot valve is closed, a slide valve is closed, and an unloading valve pressurizes the hydraulic system of the working face.
The frequency converter is used as a main controller to program through a CPU (Central processing Unit) to control the field pressure flow, the service life and the stabilizing effect of the equipment are realized through the technical index requirement of the unloading valve for pushing force with small force, the constant pressure control of the liquid supply system is improved through the timeliness of pressure relief, and the effect that the circulation of the liquid using equipment is not wasted is effectively achieved. The magnetic unloading valve can realize two unloading functions of electric control and hydraulic control, can realize automatic switching of the two functions, can be manually or automatically operated, improves the recovery pressure of a pump station to more than 85 percent from the original 70 percent, improves the liquid supply efficiency of the pump station by 10 percent, increases the average supporting force of a hydraulic support by more than 10 percent (about 3MPa), and improves the support moving speed by 15 percent. Meanwhile, even if the electromagnetic valve fails, the electromagnetic pilot valve can be completely in a closed state and always in a high-pressure liquid supply state by adjusting the overload spiral rod on the electromagnetic valve, and the electromagnetic pilot valve completely loses the effect. The system pressure can only control the main valve to unload through the mechanical pilot valve, so that the mechanical unloading valve can also automatically unload, and the overall safety guarantee capability of the pump station is improved; the electromagnetic unloading valve can be operated manually or automatically, and the mechanical unloading valve can be protected by a mechanical unloading valve while the electromagnetic unloading valve protects a pump station system.
The above description is only a preferred embodiment of the present invention, and it is not intended to limit the scope of the present invention, and various modifications and changes may be made by those skilled in the art. Variations, modifications, substitutions, integrations and parameter changes of the embodiments may be made without departing from the principle and spirit of the utility model, which may be within the spirit and principle of the utility model, by conventional substitution or may realize the same function.
Claims (10)
1. An integrated electro-hydraulic integrated system is characterized in that: the system comprises a water inlet reverse osmosis water treatment device, a stainless steel purification water tank, an emulsion automatic proportioning station, an emulsion auxiliary tank, a return automatic backwashing filter station, an emulsion main tank, a first pressure accumulation station, a second pressure accumulation station, a high-pressure automatic backwashing filter station, an emulsion pump, a clear water tank and a spray pump;
the water inlet reverse osmosis water treatment device, the stainless steel purified water tank, the automatic emulsion proportioning station, the auxiliary emulsion tank, the main emulsion tank, the first pressure accumulation station and the high-pressure automatic backwashing filter station are sequentially connected;
the emulsion auxiliary tank is also connected with the return liquid automatic backwashing filter station;
the emulsion main tank is also connected with the emulsion pump;
the water inlet reverse osmosis water treatment device is also connected with the second pressure accumulating station through the clear water tank;
the clean water tank is also connected with the spraying station.
2. The integrated electro-hydraulic integrated system of claim 1, wherein: the emulsion pump is provided with 4, the atomizing pump is provided with 2.
3. The integrated electro-hydraulic integrated system of claim 2, wherein: and frequency converters are arranged on the emulsion pump and the spray pump.
4. The integrated electro-hydraulic integrated system of claim 1, wherein: and control substations are arranged on the water inlet reverse osmosis water treatment device, the emulsion main tank, the emulsion pump, the clear water tank and the spray pump.
5. The integrated electro-hydraulic integrated system of claim 4, wherein: the integrated electro-hydraulic integrated system also comprises a control master station, a switch and a combination switch; and the control master station, the switch and the combined switch are connected with each other.
6. The integrated electro-hydraulic integrated system of claim 5, wherein: the exchanger communicates with a user upper computer to transmit the working data of the pump station and the liquid tank.
7. The integrated electro-hydraulic integrated system of claim 5, wherein: the control main station consists of a main control box and a main power supply box.
8. The integrated electro-hydraulic integrated system of claim 7, wherein: the main control box consists of an industrial control display, a safety grid plate, a PLC and an isolation optocoupler plate; the industrial control display, the safety grid plate, the PLC and the isolation optical coupling plate are connected with each other and used for signal transmission.
9. The integrated electro-hydraulic integrated system of claim 5, wherein: the control substation consists of an intrinsic safety controller and a substation controller.
10. An integrated electro-hydraulic integrated system according to claim 9, wherein: the intrinsic safety controller comprises an intrinsic safety touch screen, an anti-reverse connection channel plate and a first kilomega switch plate; the intrinsic safety touch screen, the reverse connection preventing channel plate and the first kilomega switch plate are connected with each other and used for signal transmission; the substation controller comprises a power supply, a safety grid plate, a PLC, an isolation optical coupling plate and a second kilomega switch plate; the power supply, the safety grid plate, the PLC, the isolation optical coupling plate and the second kilomega switch plate are connected with each other and used for signal transmission.
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| CN202122285633.XU CN215927463U (en) | 2021-09-22 | 2021-09-22 | Integrated electro-hydraulic integrated system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023173390A1 (en) * | 2022-03-18 | 2023-09-21 | 山东科技大学 | Intelligent control system for high-pressure and high-flow emulsion pump station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023173390A1 (en) * | 2022-03-18 | 2023-09-21 | 山东科技大学 | Intelligent control system for high-pressure and high-flow emulsion pump station |
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