CN211914095U

CN211914095U - Kitchen waste treatment equipment

Info

Publication number: CN211914095U
Application number: CN201922147072.XU
Authority: CN
Inventors: 周培玉; 孙慧
Original assignee: Central Summit Environmental Technology Beijing Co ltd
Current assignee: Central Summit Environmental Technology Beijing Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-11-13
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a kitchen waste treatment facility, including the broken bag machine that sets gradually, the breaker, screening air separator and ferromagnetic sieve separator, between broken bag machine and the breaker, between breaker and the screening air separator, all be provided with the belt conveyor between screening air separator and the ferromagnetic sieve separator, screening air separator has plastic refuse export and other rubbish exports, ferromagnetic sieve separator has surplus rubbish export in kitchen and ferromagnetic rubbish export, the plastic refuse export, other rubbish exports, the below of surplus rubbish export in kitchen and ferromagnetic rubbish export all is provided with weighing device, broken bag machine, the belt conveyor, the breaker, screening air separator, ferromagnetic sieve separator and weighing device all connect the PLC controller, the PLC controller has high in the clouds server through thing networking module communication connection. Can automatically sort out other kinds of garbage such as non-woven fabrics, plastic garbage, ferromagnetic garbage and the like mixed in the kitchen garbage, and has good treatment effect.

Description

Kitchen waste treatment equipment

Technical Field

The utility model relates to a technical field of refuse handling installation particularly, relates to a kitchen garbage treatment equipment.

Background

Along with the acceleration of economic and urbanization processes, the discharge amount of municipal solid waste is larger and larger, and the proportion of kitchen waste accounts for 37% -62% of the municipal solid waste, which is increased day by day. Improper treatment of the kitchen waste can easily cause deterioration, putrefaction, breeding of harmful microorganisms and mosquitoes and flies, generation of a large amount of toxins, emission of foul smell and serious pollution to water and the atmospheric environment.

The kitchen waste refers to kitchen waste and waste edible oil and fat such as leftover, leftovers, vegetable roots and leaves, peels and kernels of melons and fruits, waste animal tissues and the like generated in families, schools, public dining halls of offices and catering industries. The main components of the kitchen waste comprise organic substances such as protein, starch, dietary fiber, animal fat and the like. Compared with other garbage, the garbage has the characteristics of high water content, high organic matter proportion, high grease component, high salinity and the like, is easy to rot and ferment, can breed bacteria, and has the dual characteristics of typical resources and wastes.

The existing kitchen waste treatment equipment can only carry out simple extrusion crushing treatment on the waste, and can not effectively separate the non-woven fabric, plastic waste, ferromagnetic waste and other types of waste mixed in the kitchen waste.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem among the correlation technique, the utility model provides a kitchen garbage treatment equipment can sort out other kinds of rubbish such as the non-woven fabrics, plastic refuse and ferromagnetic waste that thoughtlessly have among the kitchen garbage, and the treatment effect is good.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:

a kitchen waste treatment device, which comprises a bag breaking machine, a crusher, a screening winnowing machine and a ferromagnetic screening machine which are arranged in sequence, belt conveyors are arranged between the bag breaking machine and the crusher, between the crusher and the screening winnowing machine and between the screening winnowing machine and the ferromagnetic screening machine, the screening winnowing machine is provided with a plastic garbage outlet and other garbage outlets, the ferromagnetic screening machine is provided with a kitchen garbage outlet and a ferromagnetic garbage outlet, weighing devices are arranged below the plastic garbage outlet, the other garbage outlets, the kitchen garbage outlet and the ferromagnetic garbage outlet, the bag breaking machine belt conveyor the breaker screening air separator ferromagnetic screening machine and weighing device all connect the PLC controller, the PLC controller has the high in the clouds server through thing networking module communication connection.

Further, a driving motor in the bag breaker is a three-phase alternating current asynchronous motor M1, three head ends of U1, V1 and W1 of the three-phase alternating current asynchronous motor M1 are all connected with a power grid through an alternating current contactor KM1, three tail ends of W2, U2 and V2 of the three-phase alternating current asynchronous motor M1 are all connected with an alternating current contactor KM4, the alternating current contactor KM1 is connected in parallel with the alternating current contactor KM2, the three-phase alternating current asynchronous motor M1 is connected in parallel with an alternating current contactor KM3, and a control end of the alternating current contactor KM1, a control end of the alternating current contactor KM2, a control end of the alternating current contactor KM3 and a control end of the alternating current contactor KM4 are all connected with the PLC.

Further, the driving motor in the crusher is a variable frequency motor M2, the variable frequency motor M2 is connected with U, V, W three terminals of a first frequency converter, three terminals L1, L2 and L3 of the first frequency converter are connected with a power grid, a MI1 terminal of the first frequency converter is connected with a DCM terminal of the first frequency converter through a relay KA1, the MI2 terminal of the first frequency converter is connected with the DCM terminal of the first frequency converter through a relay KA2, the MI3 terminal of the first frequency converter is connected with the DCM terminal of the first frequency converter through a relay KA3, the MI4 terminal of the first frequency converter is connected with the DCM terminal of the first frequency converter through a relay KA4, the PLC controller comprises four terminals of ACI, ACM, RA and RC of the first frequency converter, a control end of the relay KA1, a control end of the relay KA2, a control end of the relay KA3 and a control end of the relay KA4 which are all connected with the PLC controller.

Furthermore, a roller screen driving motor in the screening and winnowing machine is a three-phase alternating current variable frequency motor M3, the three-phase alternating current variable frequency motor M3 is connected with U, V, W three terminals of a second frequency converter, three terminals of the second frequency converter, namely L1, L2 and L3, are connected with a power grid, the MI1 terminal of the second frequency converter is connected with the DCM terminal of the second frequency converter through a relay KA5, the MI2 terminal of the second frequency converter is connected with the DCM terminal of the second frequency converter through a relay KA6, the MI3 terminal of the second frequency converter is connected with the DCM terminal of the second frequency converter through a relay KA7, the MI4 terminal of the second frequency converter is connected with the DCM terminal of the second frequency converter through a relay KA8, the control end of the relay KA5, the control end of the relay KA6, the control end of the relay KA7 and the control end of the relay KA8 are all connected with the PLC controller.

Further, the belt conveyer between the crusher and the screening winnowing machine comprises a belt driving motor, the belt driving motor is a speed regulating motor M4, the speed regulating motor M4 is connected with the output end of a speed regulator, the input end of the speed regulator is connected with a mains supply, a forward and reverse control end of the speed regulator comprises a CW end, a CCW end and a COM end, the CW end and the CCW end are respectively connected with the COM end through a circuit provided with a relay, and the control end of the relay is connected with a PLC.

Further, the weighing device comprises a weight sensor, the weight sensor is connected with a weighing controller, and the weighing controller is connected with the PLC.

Further, the internet of things module comprises a 4G wireless network card module, an RJ45 network port module and an RS485 serial port module.

Further, the PLC is connected with a touch screen.

Further, the PLC controller is connected with the power grid.

The utility model has the advantages that: degree of automation is high, can sort out other kinds of rubbish such as nonwoven cloth, plastic refuse and ferromagnetic rubbish thoughtlessly in the kitchen garbage is automatic, and the treatment effect is good, can weigh all kinds of rubbish to upload to cloud ware, carry out big data record.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a kitchen waste treatment device according to an embodiment of the present invention;

fig. 2 is a top view of a kitchen waste treatment device according to an embodiment of the present invention;

fig. 3 is a side view of the kitchen waste treatment equipment according to the embodiment of the present invention;

fig. 4 is a first circuit diagram of the kitchen waste treatment equipment according to the embodiment of the present invention;

fig. 5 is a circuit diagram ii of the kitchen waste treatment device according to the embodiment of the present invention;

fig. 6 is a third circuit diagram of the kitchen waste treatment equipment according to the embodiment of the present invention;

fig. 7 is a circuit diagram four of the kitchen waste treatment equipment according to the embodiment of the present invention;

fig. 8 is a fifth circuit diagram of the kitchen waste treatment equipment according to the embodiment of the present invention;

fig. 9 is a sixth circuit diagram of the kitchen waste treatment equipment according to the embodiment of the present invention.

In the figure:

1. a bag breaking machine; 2. a belt conveyor; 3. a crusher; 4. screening and winnowing machine; 5. a ferromagnetic screening machine; 6. and a weighing device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

As shown in figures 1-9, according to the embodiment of the utility model provides a kitchen waste treatment equipment, including bag-breaking machine 1, breaker 3, screening air separator 4 and ferromagnetic sieve separator 5 that set gradually, bag-breaking machine 1 with between breaker 3 with between screening air separator 4 with all be provided with belt conveyor 2 between ferromagnetic sieve separator 5, screening air separator 4 has plastic refuse export and other rubbish export, ferromagnetic sieve separator 5 has kitchen garbage export and ferromagnetic rubbish export, plastic refuse export other rubbish export, kitchen garbage export with the below of ferromagnetic rubbish export all is provided with weighing device 6, bag-breaking machine 1 belt conveyor 2, breaker 3 screening machine 4, Ferromagnetic sieve separator 5 and weighing device 6 all connects the PLC controller, the PLC controller has the high in the clouds server through thing networking module communication connection.

In a specific embodiment of the present invention, the driving motor in the bag breaking machine 1 is a three-phase ac asynchronous motor M1, three head ends of U1, V1, and W1 of the three-phase ac asynchronous motor M1 are all connected to the power grid through an ac contactor KM1, three tail ends of W2, U2, and V2 of the three-phase ac asynchronous motor M1 are all connected to each other through an ac contactor KM4, the ac contactor KM1 is connected in parallel to the ac contactor KM2, the three-phase ac asynchronous motor M1 is connected in parallel to the ac contactor KM3, the control end of the ac contactor KM1, the control end of the ac contactor KM2, the control end of the ac contactor KM3, and the control end of the ac contactor KM4 are all connected to the PLC controller.

In one embodiment of the present invention, the driving motor in the crusher 3 is a variable frequency motor M2, the variable frequency motor M2 is connected with U, V, W three terminals of a first frequency converter, the three terminals of the first frequency converter, namely L1, L2 and L3, are connected with a power grid, the MI1 terminal of the first frequency converter is connected with the DCM terminal of the first frequency converter through a relay KA1, the MI2 terminal of the first frequency converter is connected with the DCM terminal of the first frequency converter through a relay KA2, the MI3 terminal of the first frequency converter is connected with the DCM terminal of the first frequency converter through a relay KA3, the MI4 terminal of the first frequency converter is connected with the DCM terminal of the first frequency converter through a relay KA4, the PLC controller comprises four terminals of ACI, ACM, RA and RC of the first frequency converter, a control end of the relay KA1, a control end of the relay KA2, a control end of the relay KA3 and a control end of the relay KA4 which are all connected with the PLC controller.

In a specific embodiment of the utility model, the roller screen driving motor in screening air separator 4 is three-phase AC variable frequency motor M3, three-phase AC variable frequency motor M3 connects the U, V, W three terminals of second converter, the three terminals of L1, L2, L3 of second converter connect the electric wire netting, the MI1 terminal of second converter passes through relay KA5 and connects the DCM terminal of second converter, the MI2 terminal of second converter passes through relay KA6 and connects the DCM terminal of second converter, the MI3 terminal of second converter passes through relay KA7 and connects the DCM terminal of second converter, the MI4 terminal of second converter passes through relay KA8 and connects the DCM terminal of second converter, the ACI of second converter, ACM, RA, RC four terminals, the control end of relay KA5, the control end of relay 6, The control end of the relay KA7 and the control end of the relay KA8 are both connected with the PLC.

The utility model discloses a concrete embodiment, be located breaker 3 with between screening air separator 4 belt conveyor 2 includes belt drive motor, belt drive motor is buncher M4, the output of speed regulator is connected to buncher M4, the commercial power is connected to the input of speed regulator, the positive reverse control end of speed regulator includes CW end, CCW end and COM end, the CW end with the CCW end is respectively through the line connection that is provided with the relay the COM end, the PLC controller is connected to the control end of relay.

In an embodiment of the present invention, the weighing device 6 comprises a weight sensor, the weight sensor is connected to a weighing controller, and the weighing controller is connected to the PLC controller.

In a specific embodiment of the utility model, the thing networking module includes 4G wireless network card module, RJ45 net gape module, RS485 serial module.

In an embodiment of the present invention, the PLC controller is connected to a touch screen.

In a specific embodiment of the present invention, the PLC controller is connected to the power grid.

For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention will be described in detail through specific use modes.

Kitchen garbage treatment facility include bag-breaking machine 1, belt conveyor 2 breaker 3, screening air separator 4, ferromagnetic sieve separator 5, weighing device 6 and PLC controller.

The bag breaking machine 1 comprises a rack, a bag breaking mechanism and a driving motor, wherein the bag breaking mechanism is installed on the rack and is driven by the driving motor. The bag breaking mechanism consists of a fixed cutter and a material shifting rotary cutter fixed on a rotary hub, and a driving motor drives the rotary hub to rotate so as to drive the material shifting rotary cutter to rotate relative to the fixed cutter. A conveying belt is arranged at the discharge port below the fixed cutter. When the kitchen waste bag breaking device is used, bagged kitchen waste is conveyed to the position below the material shifting rotary cutter, and at the moment, the material shifting rotary cutter lifts and conveys the bagged kitchen waste and breaks the bag through the fixed cutter.

The driving motor of the bag breaking machine 1 is a three-phase alternating current asynchronous motor M1, three head ends of a U1, a V1 and a W1 of the three-phase alternating current asynchronous motor M1 are sequentially connected with a motor protector FM in series, an alternating current contactor KM1 and a breaker QF in series and then connected with a power grid, the power grid comprises three live wires and a zero line, the three live wires are connected with the breaker QF, three tail ends of the W2, the U2 and the V2 of the three-phase alternating current asynchronous motor M1 are connected through an alternating current contactor KM4, the alternating current contactor KM1 is connected with an alternating current contactor KM2 in parallel, and the three-phase alternating current asynchronous motor. The control ends of the breaker QF, the motor protector FM, the alternating current contactors KM1, KM2, KM3 and KM4 are all connected with a PLC controller.

The working principle is as follows: the touch screen sends an instruction to the PLC through an RJ45 port, and when the PLC controls the AC contactor KM4 to be closed and controls the AC contactor KM1 to be closed (other AC contactors are in an open state when the other AC contactors are not closed, and the same is true below), the three-phase AC asynchronous motor M1 is started in a star-connection forward rotation mode. When the PLC controller controls the AC contactor KM1 or KM2 to be disconnected, the three-phase AC asynchronous motor M1 stops rotating. When the PLC controls the AC contactor KM4 to be closed and controls the AC contactor KM2 to be closed, the three-phase AC asynchronous motor M1 is started in star connection and reverse rotation. When the PLC controller controls the AC contactor KM4 to be disconnected and the star switch to be disconnected, when the PLC controller controls the AC contactor KM3 to be closed and controls the AC contactor KM1 to be closed, the three-phase AC asynchronous motor M1 is in angle connection and positive rotation starting, and when the PLC controller controls the AC contactor KM3 to be closed and controls the AC contactor KM2 to be closed, the three-phase AC asynchronous motor M1 is in angle connection and negative rotation starting. When the breaker QF and the motor protector FM break down, the PLC controller can disconnect all the alternating current contactors, and the staff can also control the PLC controller through the Internet of things module so as to remotely control the starting and stopping of the bag breaking machine and start the star-delta voltage reduction.

Star-delta step-down starting process: the PLC controller firstly controls the corresponding AC contactor to be closed to enable the three-phase AC asynchronous motor M1 to be started in an angle connection mode, and then after a period of time is delayed, the PLC controller controls the corresponding AC contactor to be closed to enable the three-phase AC asynchronous motor M1 to be started in a star connection mode.

The belt conveyor 2 comprises a rack, a belt roller and a belt driving motor, wherein the belt roller is installed on the rack, the belt driving motor is fixed on the rack, and the belt driving motor drives the belt roller through a chain and a chain wheel so as to drive the belt to move. The belt conveyer 2 (for convenience of description, the belt conveyer 2 is named as an air separation conveying belt below) between the crusher 3 and the screening air separator 4 needs to rotate forwards and backwards, so that a driving motor of the air separation conveying belt is set to be an adjustable speed motor M4, the adjustable speed motor M4 is connected with the output end of the speed regulator, the input end of the speed regulator and the PLC are both connected with a mains supply, the forward and reverse rotation control end of the speed regulator comprises a CW end, a CCW end and a COM end, the CW end and the CCW end are respectively connected with the COM end through a circuit provided with relays (KA 9, KA10 and KA 11), and the control end of the relay is connected with the PLC. The PLC controller enables the CW end and the CCW end to be communicated with the COM end respectively by controlling the closing of the relay, and further the forward and reverse rotation of the speed regulating motor M4 is realized. Specifically, the CW end is communicated with the COM end to control the rotation of the adjustable speed motor M4, and the CCW end is communicated with the COM end to control the rotation of the adjustable speed motor M4.

The working principle is as follows: the touch screen transmits an instruction to the PLC through the RJ45 port, the PLC opens the speed regulator by controlling the relay KA3 to be closed, and the speed regulator can be opened to rotate forwards when the PLC controls the relay KA1 to be closed; when the PLC controller controls the relays KA1 and KA3 to reset, the speed regulator is closed. When the PLC controller controls the relays KA3 and KA2 to be closed, the reverse rotation of the speed regulator can be started. The forward and reverse rotation of the speed regulator can control the forward and reverse rotation of the speed regulating motor M4, and further drives the forward and reverse rotation of the roller screen. The PLC controller can adjust the rotating speed of the speed regulating motor M4 by controlling the speed regulator, thereby controlling the rotating speed of the winnowing conveyor belt. The staff can also control the PLC controller through the Internet of things module, and the process can be controlled as well.

The crusher 3 comprises a case, two mutually matched knife rolls are arranged in the case, a plurality of crushing teeth are arranged on the knife rolls, the knife rolls are connected with a driving motor used for driving the knife rolls to run through a belt, and kitchen waste entering the case is crushed and extruded through the two rotating knife rolls.

The driving motor of the crusher 3 is a variable frequency motor M2, three phases of a variable frequency motor M2 are connected with U, V, W three terminals of a first frequency converter, the model of the first frequency converter is a step MS300, the L1, L2 and L3 three terminals of the first frequency converter are connected with a breaker QF in series and then connected with a power grid, the power grid comprises three live wires and a zero wire, the three live wires are connected with the breaker QF, the first frequency converter is provided with MI1, MI2, MI3, MI4, DCM, ACI, ACM, RA and RC nine terminals, the MI1 terminal is connected with the DCM terminal through a relay KA1, the MI2 terminal is connected with the DCM terminal through a relay KA2, the MI3 terminal is connected with the DCM terminal through a relay KA3, and the MI4 terminal is connected with the DCM terminal through a relay KA 4. The control ends of the ACI terminal, the ACM terminal, the RA terminal, the RC terminal, the breaker QF, the relays KA1, KA2, KA3 and KA4 are connected with the PLC, specifically, the ACI terminal is connected with an AQ0.0+ terminal of the PLC, the ACM terminal is connected with an AQ 0.0-terminal of the PLC, the RA terminal is connected with an I1.0 terminal of the PLC, and the RC terminal is connected with a 24V terminal of the PLC.

The relay KA1 is used for controlling the forward rotation of the variable frequency motor M2. And the relay KA2 is used for controlling the inverter motor M2 to rotate reversely. The relay KA3 and the relay KA4 are used for achieving speed setting of the variable frequency motor M2. The ACI terminal is used to achieve a positive output of the analog quantity. The ACM terminal is used to realize the negative output of the analog quantity. RA terminal and RC terminal are a set of switch, and the RA terminal inserts the input of PLC controller, and the RC terminal inserts PLC controller common port, and the RA terminal can be closed when the converter breaks down and reports to the police.

The working principle is as follows: the touch screen sends an instruction to the PLC through the RJ45 port, and the PLC outputs an analog quantity signal to the ACI terminal and the ACM terminal of the first frequency converter from the AQ terminal after calculation so as to adjust the output frequency of the first frequency converter to a set value of the PLC, thereby controlling the speed of the driving motor. When the driving motor needs to be controlled to start, rotate forwards, stop or rotate backwards, the PLC controls the on-off of the relays KA1, KA2, KA3 and KA4 through the DQ terminal so as to control the first frequency converter, and the first frequency converter controls the driving motor to complete corresponding actions through the U, V, W three terminals. The staff can also control the PLC controller through the Internet of things module, and the process can be controlled as well.

Screening air separator 4 includes the frame, is equipped with double-deck roller screen in the frame, and the import one end of double-deck roller screen sets up the selection by winnowing conveyer belt, and one side of selection by winnowing conveyer belt is equipped with the fan, and the export one end of double-deck roller screen is equipped with the plastic refuse export, and double-deck roller screen lower part is equipped with belt conveyor 2 and all the other rubbish exports. Multiple types of screening of broken rubbish can be conveniently carried out through the fan and the double-layer roller screen. The air outlet of the fan is opposite to the inlet of the double-layer roller screen. This setting makes wastepaper, plastic sheet class rubbish blow the plastic refuse export through the fan, is convenient for collect the processing to its unification. The double-layer roller screen comprises a coarse screen roller and a fine screen roller, the coarse screen roller is sleeved outside the fine screen roller, one side of the coarse screen roller is provided with other garbage outlets, and one side of the fine screen roller is provided with a belt conveyor 2. According to the general type of the garbage, a coarse screening roller and a fine screening roller are arranged, so that the screening treatment of different types of garbage can be facilitated. When the garbage separating and screening machine is used, crushed garbage enters the double-layer rolling sieve from the air separation conveyor belt, the double-layer rolling sieve is driven by the rolling sieve driving motor to rotate to screen the garbage, meanwhile, the fan blows strong wind into the double-layer rolling sieve to blow out the paper-plastic light garbage from the plastic garbage outlet, the kitchen garbage is screened to the belt conveyor 2 and then conveyed to the ferromagnetic screening machine 5, and other garbage is screened out from other garbage outlets.

The roller screen driving motor is a three-phase alternating-current variable-frequency motor M3, three phases of the three-phase alternating-current variable-frequency motor M3 are connected with three terminals U, V, W of a second frequency converter, the model of the second frequency converter is a step MS300, three terminals L1, L2 and L3 of the second frequency converter are connected with a power grid after being connected with a breaker QF in series, the power grid comprises three live wires and one zero line, the three live wires are connected with the breaker QF, the second frequency converter is provided with nine terminals MI1, MI2, MI3, MI4, DCM, ACI, ACM, RA and RC, the MI1 terminal is connected with the DCM terminal through a relay KA5, the MI2 terminal is connected with the DCM terminal through a relay KA6, the MI3 terminal is connected with the DCM terminal through a relay KA7, and the MI4 terminal is connected with the DCM terminal through. Control ends of the ACI terminal, the ACM terminal, the RA terminal, the RC terminal, the breaker QF, the relays KA5, KA6, KA7 and KA8 are all connected with the PLC. Specifically, the ACI terminal is connected with an AQ0.1+ terminal of the PLC controller, the ACM terminal is connected with an AQ 0.1-terminal of the PLC controller, the RA terminal is connected with an I1.1 terminal of the PLC controller, and the RC terminal is connected with a 24V terminal of the PLC controller.

The relay KA5 is used for controlling the roller screen driving motor to rotate forwards. The relay KA6 is used for controlling the rotary screen driving motor to rotate reversely. And the relay KA7 and the relay KA8 are used for realizing the speed setting of the roller screen driving motor. The ACI terminal is used to achieve a positive output of the analog quantity. The ACM terminal is used to realize the negative output of the analog quantity. RA terminal and RC terminal are a set of switch, and the RA terminal inserts the input of PLC controller, and the RC terminal inserts PLC controller common port, and the RA terminal can be closed when the converter breaks down and reports to the police.

The working principle is as follows: the touch screen sends an instruction to the PLC through the RJ45 port, and the PLC outputs an analog quantity signal to the ACI terminal and the ACM terminal of the second frequency converter from the AQ terminal after calculation so as to adjust the output frequency of the second frequency converter to a set value of the PLC, thereby controlling the speed of the roller screen driving motor. When the rolling screen driving motor needs to be controlled to start, rotate forwards, stop or rotate backwards, the PLC controls the on-off of the relays KA5, KA6, KA7 and KA8 through a DQ terminal so as to control the second frequency converter, and the second frequency converter controls the rolling screen driving motor to complete corresponding actions through U, V, W three terminals. The PLC controller can adjust the rotating speed of the roller screen driving motor by controlling the second frequency converter, and further control the rotating speed of the double-layer roller screen. The staff can also control the PLC controller through the Internet of things module, and the process can be controlled as well.

Ferromagnetic sieve separator 5 includes the casing, and casing upper portion sets up to the hopper, and the export of the rubbish from cooking of casing bottom, one side of casing are ferromagnetic rubbish export, are provided with metal sieving mechanism in the casing, and metal sieving mechanism includes conveyer belt, conveying roller, driving motor and polylith electro-magnet. The driving motor drives the conveying roller to further drive the conveying belt to move, the metal screening device is installed between the hopper and the kitchen waste outlet and corresponds to the ferromagnetic waste outlet, and the electromagnets are distributed on the conveying belt and used for adsorbing the iron type waste; metal sieving mechanism slope sets up, during the use, the rubbish that drops from the hopper can drop on metal sieving mechanism earlier, and slide along metal sieving mechanism under the action of gravity, at the slip in-process, the iron class metal in the rubbish can be adsorbed by the electro-magnet and live, and rubbish is left in the kitchen then can be under the action of gravity downwards roll-off metal sieving mechanism and drop to the rubbish exit in kitchen, the conveyer belt drives the electro-magnet rebound to ferromagnetic rubbish exit that has adsorbed iron class rubbish, then the electro-magnet outage, iron class rubbish drops to ferromagnetic rubbish exit.

Weighing device 6 is used for measuring the weight of plastic refuse, surplus rubbish of meal, ferromagnetic rubbish and other rubbish, and weighing device 6 includes weight sensor, weighing controller, PLC controller and thing networking module. The weight sensor is used for measuring the weight of the kitchen waste and generating a corresponding analog signal, and the model of the weight sensor is YZC-320C/500 KG. The weighing controller comprises a single chip microcomputer, an A/D conversion module and a digital filter, and is used for converting analog signals into digital signals, carrying out normalized filtering on the digital signals and calculating to obtain weight data. The weighing controller is XK3190-C801

The model of the PLC is SIEMENS S7-1200, the PLC is connected with a display screen, the model of the display screen is TPC1061Ti, the model of the display screen connected with the PLC Internet of things module through an RJ45 port is USR-G781, the Internet of things module is connected with the PLC through an RS485 interface, and the Internet of things module is used for transmitting nearby base stations which receive weight data to be transmitted to a cloud server for storage, so that the weight data are shared.

The model of the PLC controller is SIEMENS S7-1200, the PLC controller is connected with the touch-sensitive screen and the thing networking module respectively, the model of touch-sensitive screen is TPC1061Ti, the touch-sensitive screen passes through RJ45 port connection PLC controller, the touch-sensitive screen is used for realizing demonstration and local control, the PLC controller can show weight data on the display screen, and give thing networking module with weight data transmission, thing networking module' S model is USR-G781, thing networking module passes through RS485 interface connection PLC controller, thing networking module is used for connecting the sharing of high in the clouds server in order to realize remote control and weight data, thing networking module can send weight data to near basic station earlier then conveys the high in the clouds server and saves, so that weight data sharing.

The PLC controller is also connected with a plurality of sensors, and any fault occurring in the operation process is monitored by each sensor. When the sensors collect that the equipment is overheated, the brake is automatically switched off, people enter a dangerous area, and parts do not operate, the automatic brake switching-off alarm is given out and the alarm is uploaded to a cloud server.

When the kitchen waste treatment equipment is used specifically, bagged kitchen waste is firstly broken by the bag breaking machine 1 and then is conveyed to the crusher 3 for extrusion and crushing, the kitchen waste after extrusion and crushing is conveyed to the screening winnowing machine 4 through the winnowing conveyor belt for screening and winnowing, small kitchen waste and ferromagnetic waste are screened out by the fine screening roller of the double-layer roller screen and then are transmitted to the ferromagnetic screening machine 5, the kitchen waste and the ferromagnetic waste are separated out through the ferromagnetic screening machine 5, and paper-plastic waste (namely plastic waste) is winnowed out through the fan; and other garbage of the non-woven fabrics is sorted out by the coarse screening roller of the double-layer roller screen.

Kitchen garbage treatment facility's start-up process: after the machine is started, the PLC controller firstly controls the ferromagnetic screening machine 5 to start, then controls the screening winnowing machine 4 to start in a frequency conversion mode, then controls the winnowing conveyor belt to start, then controls the crusher 3 to start in a frequency conversion mode, then controls the rest belt conveyors 2 to start, and finally controls the bag breaking machine 1 to start in a star-delta connection mode.

To sum up, with the help of the above technical scheme of the utility model, degree of automation is high, can with thoughtlessly in the kitchen garbage other kinds of rubbish such as non-woven fabrics, plastic refuse and ferromagnetic rubbish automatic sorting come out, the treatment effect is good, can weigh all kinds of rubbish to upload to cloud ware, carry out big data record.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a kitchen garbage treatment equipment, its characterized in that, including bag-breaking machine (1), breaker (3), screening air separator (4) and ferromagnetic sieve separator (5) that set gradually, bag-breaking machine (1) with between breaker (3) with between screening air separator (4) with all be provided with belt conveyor (2) between ferromagnetic sieve separator (5), screening air separator (4) have plastic refuse export and other rubbish exports, ferromagnetic sieve separator (5) have kitchen surplus rubbish export and ferromagnetic rubbish export, the plastic refuse export other rubbish exports kitchen surplus rubbish export with the below of ferromagnetic rubbish export all is provided with weighing device (6), bag-breaking machine (1) belt conveyor (2), The crusher (3), screening air separator (4), ferromagnetic sieve separator (5) and weighing device (6) all connect the PLC controller, the PLC controller has the high in the clouds server through thing networking module communication connection.

2. The kitchen waste treatment equipment according to claim 1, characterized in that the driving motor in the bag breaker (1) is a three-phase ac asynchronous motor M1, three head ends of U1, V1 and W1 of the three-phase ac asynchronous motor M1 are all connected to the power grid through ac contactors KM1, three tail ends of W2, U2 and V2 of the three-phase ac asynchronous motor M1 are all connected to the ac contactors KM4, the ac contactors KM1 are connected in parallel with the ac contactors KM2, the three-phase ac asynchronous motor M1 is connected in parallel with the ac contactors KM3, and the control ends of the ac contactors KM1, KM2, KM3 and KM4 are all connected to the PLC controller.

3. The kitchen waste treatment equipment according to claim 1, characterized in that the driving motor in the crusher (3) is an inverter motor M2, the inverter motor M2 is connected with three terminals of U, V, W of a first frequency converter, three terminals of L1, L2 and L3 of the first frequency converter are connected with a power grid, a MI1 terminal of the first frequency converter is connected with a DCM terminal of the first frequency converter through a relay KA1, a MI2 terminal of the first frequency converter is connected with a DCM terminal of the first frequency converter through a relay KA2, a MI3 terminal of the first frequency converter is connected with a DCM terminal of the first frequency converter through a relay KA3, a MI4 terminal of the first frequency converter is connected with a DCM terminal of the first frequency converter through a relay KA4, and an ACI, an ACM, an RA and an RC terminal of the first frequency converter, a control end of the relay 1, a control end of the relay 2, The control end of the relay KA3 and the control end of the relay KA4 are both connected with the PLC.

4. The kitchen waste treatment facility according to claim 1, characterized in that the roller screen driving motor in the screening air separator (4) is a three-phase AC variable frequency motor M3, the three-phase AC variable frequency motor M3 is connected with U, V, W three terminals of the second frequency converter, the three terminals L1, L2 and L3 of the second frequency converter are connected with the power grid, the MI1 terminal of the second frequency converter is connected with the DCM terminal of the second frequency converter through a relay KA5, the MI2 terminal of the second frequency converter is connected with the DCM terminal of the second frequency converter through a relay KA6, the MI3 terminal of the second frequency converter is connected with the DCM terminal of the second frequency converter through a relay KA7, the MI4 terminal of the second frequency converter is connected with the DCM terminal of the second frequency converter through a relay KA8, the ACI, ACM, RA and RC four terminals of the second frequency converter, the control terminal of the relay 5, The control end of the relay KA6, the control end of the relay KA7 and the control end of the relay KA8 are connected with the PLC.

5. The kitchen waste treatment equipment according to claim 1, wherein the belt conveyer (2) between the crusher (3) and the screening air separator (4) comprises a belt driving motor, the belt driving motor is an adjustable speed motor M4, the adjustable speed motor M4 is connected with the output end of a speed regulator, the input end of the speed regulator is connected with a mains supply, the forward and reverse rotation control ends of the speed regulator comprise a CW end, a CCW end and a COM end, the CW end and the CCW end are respectively connected with the COM end through a circuit provided with a relay, and the control end of the relay is connected with a PLC controller.

6. The kitchen waste treatment equipment according to claim 1, characterized in that the weighing device (6) comprises a weight sensor connected with a weighing controller connected with the PLC controller.

7. The kitchen waste treatment device according to claim 1, wherein the internet of things module comprises a 4G wireless network card module, an RJ45 network port module and an RS485 serial port module.

8. The kitchen waste treatment equipment according to claim 1, wherein the PLC is connected with a touch screen.

9. The kitchen waste treatment facility according to claim 1, wherein said PLC controller is connected to an electrical grid.