CN110152391B - Solid-liquid separation equipment for environmental protection treatment of filth and working method thereof - Google Patents
Solid-liquid separation equipment for environmental protection treatment of filth and working method thereof Download PDFInfo
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- CN110152391B CN110152391B CN201810211158.1A CN201810211158A CN110152391B CN 110152391 B CN110152391 B CN 110152391B CN 201810211158 A CN201810211158 A CN 201810211158A CN 110152391 B CN110152391 B CN 110152391B
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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
- B01D36/04—Combinations of filters with settling tanks
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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Abstract
A solid-liquid separation device for environmental protection treatment of filth and a working method thereof, a control mechanism comprises a processor and a driving device, a filtering mechanism comprises a filtering tank, the filtering tank comprises a feed inlet, a spiral body, a suspended matter concentration meter and a first drainage hole, the spiral body accelerates the precipitation of solid matters in excrement when rotating, the suspended matter concentration meter is arranged on the side wall of the filtering tank in a dispersion shape, the vertical distance between every two suspended matter concentration meters is equal, the position of the first drainage hole corresponds to the position of the suspended matter concentration meter one by one, the first drainage hole comprises a second electric control valve, the second electric control valve at the same vertical height establishes a corresponding relation with the suspended matter concentration meter, the pushing mechanism comprises a plurality of pushing hand devices, an extruding mechanism is arranged on the opposite surface of the pushing hand mechanism, the extruding mechanism comprises a discharge pipeline, a storage groove, a lifting device and an extruding device, the storage groove is arranged at the bottom of the discharge pipeline and is communicated with the filtering tank, the extrusion device comprises at least two groups of electric rollers which rotate oppositely.
Description
Technical Field
The invention relates to the field of fecal treatment, in particular to solid-liquid separation equipment for environment-friendly treatment of filth and a working method thereof.
Background
China is a large breeding country, and in recent years, China vigorously develops large-scale farms, greatly improves the productivity and the survival rate of the farms, and improves the economic benefit. In scale plant, the excrement and urine to poultry exhaust handles the main difficult point that the plant faces, simultaneously, china is still big country of population, and human excrement and urine is also one and big volume, if handle not well, then can cause the pollution to the environment, can get up near plant farmland when serious, causes the farmland to accept absolutely, influences people's normal life.
In the prior art, various apparatuses for independently treating excrement or sewage are all in the shape of five doors, but most of the apparatuses are formed by modifying a solid-liquid separation device in the sewage treatment industry. The improved device is not suitable for special substances such as excrement, is difficult to efficiently utilize the excrement, performs solid-liquid separation on pollutants such as the excrement and urine, sends the separated solid to a feed enterprise for producing organic fertilizers, sends the separated liquid to a transfer tank for producing methane, and can be used for lighting, heating, cooking and the like, so that the comprehensive utilization rate of the pollutants is improved, the improved device is a feasible pollutant treatment process, the environment is effectively protected, and the pollutants can be well applied again.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the background art, the embodiment of the invention provides solid-liquid separation equipment for environment-friendly treatment of pollutants and a working method thereof, which can effectively solve the problems in the background art.
The technical scheme is as follows: a solid-liquid separation equipment for environmental protection treatment of filth, includes filtering mechanism, pushing hands mechanism, extrusion mechanism and control mechanism, control mechanism includes treater and drive arrangement, drive arrangement with the treater is connected, filtering mechanism includes the filtering ponds, the filtering ponds include feed inlet, spirochaeta, suspended solid concentration meter and first drainage hole, the feed inlet sets up in the top of filtering ponds, the feed inlet includes first automatically controlled valve, first automatically controlled valve with drive arrangement is connected for control the switching of feed inlet, the spirochaeta set up in the center of filtering ponds and with drive arrangement is connected, the suspended solid concentration meter is the dispersion form and sets up on the filtering ponds lateral wall, and the vertical distance between two liang of suspended solid concentration meters is equal, the position in first drainage hole with the position one-to-one of suspended solid concentration meter, namely the vertical height of the first drainage hole is equal to that of the suspended matter concentration meter, the first drainage hole comprises a second electric control valve, the second electric control valve is connected with the driving device and is used for controlling the opening and closing of the first drainage hole, the second electric control valve positioned at the same vertical height establishes a corresponding relation with the suspended matter concentration meter, the pushing mechanism is arranged on the side surface of the filtering tank and comprises a plurality of pushing devices, the pushing devices are connected with the driving device and transversely push precipitates, the extruding mechanism is arranged on the opposite surface of the pushing mechanism, the extruding mechanism comprises a discharge pipeline, an object placing groove, a lifting device and an extruding device, the discharge pipeline is arranged to be of an L-shaped structure, the object placing groove is arranged at the bottom of the discharge pipeline and communicated with the filtering tank, and the object placing groove is lower than the bottom surface of the filtering tank, the lifting device and the extruding device are respectively connected with the driving device, the bottom of the storage groove is served by the lifting device, the extruding device comprises at least two groups of electric rollers which rotate in opposite directions, and the electric rollers are arranged at the corners of the discharging pipeline.
In a preferred aspect of the present invention, the bottom surface of the filtration tank is inclined, and one end of the pushing mechanism is higher than one end of the pressing mechanism.
In a preferred mode of the present invention, the stroke track of the pushing device is parallel to the bottom surface of the filtering tank.
As a preferable mode of the present invention, the squeezing mechanism further includes a laser distance meter and a second drain hole, the laser distance meter is configured to detect a distance from the squeezing mechanism to a water surface and send the distance to the processor, the second drain hole is communicated with the squeezing mechanism and the filtering basin, and the second drain hole includes a third electrically controlled valve, and the third electrically controlled valve is connected to the driving device.
As a preferable mode of the present invention, the extruding mechanism further includes a drying device, the drying device is disposed at a corner of the discharging pipe and located obliquely above the extruding device, and the drying device is connected to the driving device and is configured to dry the solid feces.
The method comprises the following working steps:
a) the processor outputs a first opening signal to the driving device, the driving device drives the first electric control valve to open, and the first electric control valve is closed when no object passes through the feeding hole;
b) the processor outputs a rotation signal to the driving device, and the driving device drives the spiral body to rotate;
c) the suspended matter concentration meter detects the concentration of the liquid dung in the horizontal area in real time and sends the measured concentration to the processor;
d) the processor judges whether the received concentration is less than or equal to a preset concentration;
e) if yes, the processor marks a suspended matter concentration meter with a measurement value smaller than or equal to a preset concentration, and extracts a second electric control valve corresponding to the suspended matter concentration meter;
f) the processor outputs a second opening signal to the driving device, and the driving device drives the second electric control valve to open;
g) the processor outputs a pushing signal to the driving device, and the driving device drives the pushing device to transversely push;
h) the processor outputs a rising signal to the driving device, the driving device drives the lifting device to rise for a preset distance, and the preset distance is equal to the height from the object placing groove to the extruding device;
i) the processor outputs extrusion signals to the driving device, and the driving device drives the two electric rollers in the extrusion device to rotate upwards in opposite directions;
j) when the lifting device rises to reach the preset height, the processor outputs a falling signal to the driving device, and the driving device drives the lifting device to fall for the preset distance.
As a preferable mode of the present invention, the pressing device further includes, after the pressing device is activated:
the condensation distance meter detects the distance from the condensation distance meter to the water surface and sends the distance to the processor;
the processor calculates the height of the liquid dung in the filter tank and extracts all the third electric control valves above the height;
the processor outputs a third signal to the driving device, and the driving device drives the third electric valve to open.
As a preferred mode of the present invention, after the water level in the filtration tank rises, the processor closes part of the third electrically controlled valve:
the condensation distance meter detects the distance from the condensation distance meter to the water surface and sends the distance to the processor;
the processor calculates the height of the liquid dung in the filter tank and judges whether the distance is gradually reduced;
if yes, the processor extracts a third electric control valve which is located above the height and is closest to the water surface;
the processor outputs a closing signal to the driving device, and the driving device drives the third electric control valve to close.
As a preferable mode of the present invention, the pressing device further includes, after the pressing device is activated:
the processor outputs a drying signal to the driving device, and the driving device drives the drying device to start.
As a preferable mode of the present invention, when the lifting device is in a lifting process, the drying device keeps an open state;
and when the lifting device is in a descending process, the drying device enters a standby state.
The invention realizes the following beneficial effects:
the solid-liquid separation equipment for the environmental protection treatment of the filth can separate the solid and the liquid in the excrement to a large extent, dry and discharge the solid for preparing the feed, and discharge the liquid to the methane tank; the filtering tank is divided into a plurality of horizontal areas, the suspended matter concentration meter is used for detecting the liquid dung concentration in the horizontal areas, and when the concentration is lower than the preset concentration, the second electric control valve in the horizontal areas can be opened to discharge qualified liquid dung to the methane tank; solid precipitates in the excrement fall into the bottom of the filter tank, the pushing mechanism pushes the precipitates to the extrusion mechanism of the opposite surface, the extrusion device further extrudes and dehydrates the precipitates, discharged water is discharged into the filter tank again through the third electric control valve for further separation, and the concentration of the excrement can be further reduced in the circulating process; the drying device can dry the excrement discharged from the extrusion device and accelerate the excrement to be discharged from the discharge pipeline.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. FIG. 1 is a schematic structural diagram of a solid-liquid separation device for environmental protection treatment of filth provided by the invention;
FIG. 2 is a schematic view of a filtration tank according to the present invention;
FIG. 3 is a schematic structural view of an extrusion mechanism provided in the present invention;
FIG. 4 is a flow chart of a working method of a solid-liquid separation device for environmental protection treatment of filth provided by the invention;
FIG. 5 is a flow chart of a third method for opening an electrically controlled valve according to the present invention;
FIG. 6 is a flow chart of a third method for closing an electronically controlled valve according to the present invention;
fig. 7 is a flowchart of a method for operating the drying apparatus according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
As shown in fig. 1, 2 and 3, a solid-liquid separation device for environmental protection treatment of filth comprises a filtering mechanism 1, a pushing handle mechanism 2, an extruding mechanism 3 and a control mechanism 4, wherein the control mechanism 4 comprises a processor 5 and a driving device 6, the driving device 6 is connected with the processor 5, the filtering mechanism 1 comprises a filtering tank 7, the filtering tank 7 comprises a feeding hole 8, a spiral body 9, a suspended matter concentration meter 10 and a first drainage hole 11, the feeding hole 8 is arranged at the top of the filtering tank 7, the feeding hole 8 comprises a first electric control valve 12, the first electric control valve 12 is connected with the driving device 6 and is used for controlling the opening and closing of the feeding hole 8, the spiral body 9 is arranged at the center of the filtering tank 7 and is connected with the driving device 6, the suspended matter concentration meters 10 are arranged on the side wall of the filtering tank 7 in a dispersed manner, the vertical distances between every two suspended matter concentration meters 10 are equal, the positions of the first drainage hole 11 correspond to the positions of the suspended matter concentration meters 10 one to one, namely, the vertical height of the first drainage hole 11 is equal to that of the suspended matter concentration meter 10, the first drainage hole 11 comprises a second electric control valve 13, the second electric control valve 13 is connected with the driving device 6 and is used for controlling the opening and closing of the first drainage hole 11, the second electric control valve 13 positioned at the same vertical height is in corresponding relation with the suspended matter concentration meter 10, the pushing mechanism 2 is arranged on the side surface of the filtering tank 7, the pushing mechanism 2 comprises a plurality of pushing devices 14, the pushing devices 14 are connected with the driving device 6 and transversely push sediment, the extruding mechanism 3 is arranged on the opposite surface of the pushing mechanism 2, the extruding mechanism 3 comprises a discharge pipeline 15, a storage groove 16, a lifting device 17 and an extruding device 18, the discharge pipeline 15 is arranged in an L-shaped structure, the storage groove 16 is arranged at the bottom of the discharge pipeline 15 and is communicated with the filtering tank 7, the storage groove 16 is lower than the bottom surface of the filtering tank 7, the lifting device 17 and the extruding device 18 are respectively connected with the driving device 6, the bottom of the storage groove 16 is served by a lifting device 17, the extruding device 18 comprises at least two groups of electric rollers 19 which rotate oppositely, and the electric rollers 19 are arranged at the corners of the discharge pipeline 15.
The bottom surface of the filter tank 7 is inclined, and one end of the pushing mechanism 2 is higher than one end of the extruding mechanism 3.
The stroke track of the pushing hand device 14 is kept parallel to the bottom surface of the filter tank 7.
The extrusion mechanism 3 further comprises a laser range finder 20 and a second drain hole 21, the laser range finder 20 is used for detecting the distance from the laser range finder to the water surface and sending the distance to the processor 5, the second drain hole 21 is communicated with the extrusion mechanism 3 and the filtering tank 7, the second drain hole 21 comprises a third electric control valve 22, and the third electric control valve 22 is connected with the driving device 6.
The extruding mechanism 3 further comprises a drying device 23, the drying device 23 is arranged at a corner of the discharging pipeline 15 and is positioned above the extruding device 18 in an inclined manner, and the drying device 23 is connected with the driving device 6 and is used for drying solid excrement.
The solid-liquid separation equipment comprises a filtering mechanism 1, a pushing handle mechanism 2, an extrusion mechanism 3 and a control mechanism 4, wherein the control mechanism 4 comprises a processor 5 and a driving device 6, the filtering mechanism 1 comprises a filtering tank 7, the filtering tank 7 comprises a feeding hole 8, a spiral body 9, a suspended matter concentration meter 10 and a first drainage hole 11, the feeding hole 8 comprises a first electric control valve 12, the first drainage hole 11 comprises a second electric control valve 13, the pushing handle mechanism 2 comprises a plurality of pushing handle devices 14, the extrusion mechanism 3 comprises a discharge pipeline 15, a storage tank 16, a lifting device 17, an extrusion device 18, a laser range finder 20, a second drainage hole 21 and a drying device 23, the extrusion device 18 comprises an electric roller 19, and the second drainage hole 21 comprises a third electric control valve 22.
The solid-liquid separation equipment provided by the invention is of a three-section structure, the three-section structure is horizontally arranged and comprises a filtering mechanism 1, a pushing handle mechanism 2 and an extrusion mechanism 3 respectively, the filtering mechanism 1 is positioned in the middle section, the pushing handle mechanism 2 and the extrusion mechanism 3 are positioned on two symmetrical sides of the filtering mechanism 1 respectively, and a control mechanism 4 is positioned below the filtering mechanism 1. In the filtering ponds 7, the top is provided with one or more feed inlets 8, be convenient for liquid dung to get into filtering ponds 7, filtering ponds 7 divide into the even horizontal area of a plurality of according to vertical height, be provided with a suspended solid concentration meter 10 and at least one first drainage hole 11 in every horizontal area, and suspended solid concentration meter 10 in every area is highly unanimous with first drainage hole 11, suspended solid concentration meter 10 is used for detecting the liquid dung concentration in this horizontal area, first drainage hole 11 is used for discharging the liquid dung in this horizontal area, first drainage hole 11 and methane-generating pit intercommunication, after second electric control valve 13 in first drainage hole 11 opens, the liquid dung in this horizontal area will flow into the methane-generating pit. The center of the filtering tank 7 is provided with a spiral body 9, the top end of the spiral body 9 is connected with the top of the filtering tank 7, the bottom end of the spiral body 9 keeps a first distance with the bottom of the filtering tank 7, the spiral body 9 drives water to rotate towards the lower part of the water, solid matters in the excrement are accelerated to precipitate, the excrement at the bottom of the filtering tank 7 is not influenced by the spiral body 9 at the upper part, the pushing hand device 14 is positioned inside the filtering tank 7, when the sediment at the bottom of the filtering tank 7 reaches a certain amount, the pushing hand device 14 transversely pushes the sediment to the opposite surface of the pushing hand mechanism 2, namely the extrusion mechanism 3, one side of the storage tank 16 communicated with the filtering tank 7 is provided with a turnover baffle plate, the turnover baffle plate is connected with the driving device 6, the turnover baffle plate comprises a pressure sensor, the pressure sensor is connected with the processor 5 and is used for detecting the pressure of the pushing hand device 14 on the turnover baffle plate and sending the pressure to the processor 5, when the processor 5 judges that the pressure is greater than the preset pressure, the processor 5 outputs a first turning signal to the driving device 6, the driving device 6 drives the turning baffle to turn 180 degrees outwards, the pushing hand device 14 pushes the sediments covered by the turning baffle into the extruding mechanism 3, the amount of liquid entering the extruding mechanism 3 can be greatly reduced in the process, when the pushing hand device 14 begins to withdraw from the extruding mechanism 3, the processor 5 outputs a second turning signal to the driving device 6, the driving device 6 drives the turning baffle to turn 180 degrees inwards, the lifting device 17 performs lifting and descending once when the turning baffle turns once, the lifting device 17 sends the sediments to the extruding device 18 when the lifting device 17 rises, the extruding device 18 discharges the moisture in the sediments, the discharged moisture enters the filtering tank 7 again, the sediments pass through the extruding device 18 and are discharged from the corner of the discharging pipeline 15 under the action of the drying device 23, the upgrading device is at the in-process that descends, and the upset baffle can't overturn.
Example two
As shown in fig. 4, a working method of a solid-liquid separation device for environmental protection treatment of filth comprises the following working steps:
a) the processor 5 outputs a first opening signal to the driving device 6, the driving device 6 drives the first electric control valve 12 to open, and the first electric control valve 12 is closed when no matter passes through the feeding hole 8;
b) the processor 5 outputs a rotation signal to the driving device 6, and the driving device 6 drives the spiral body 9 to rotate;
c) the suspended matter concentration meter 10 detects the concentration of the liquid dung in the horizontal area in real time and sends the measured concentration to the processor 5;
d) the processor 5 judges whether the received concentration is less than or equal to a preset concentration;
e) if yes, the processor 5 marks the suspended matter concentration meter 10 with the measurement value smaller than or equal to the preset concentration, and extracts a second electric control valve 13 corresponding to the suspended matter concentration meter 10;
f) the processor 5 outputs a second opening signal to the driving device 6, and the driving device 6 drives the second electric control valve 13 to open;
g) the processor 5 outputs a shifting signal to the driving device 6, and the driving device 6 drives the pushing device 14 to shift transversely;
h) the processor 5 outputs a rising signal to the driving device 6, and the driving device 6 drives the lifting device 17 to rise for a preset distance which is equal to the height from the object placing groove 16 to the extruding device 18;
i) the processor 5 outputs a squeezing signal to the driving device 6, and the driving device 6 drives the two electric rollers 19 in the squeezing device 18 to rotate upwards and oppositely;
j) when the lifting device 17 rises to reach the preset height, the processor 5 outputs a falling signal to the driving device 6, and the driving device 6 drives the lifting device 17 to fall for the preset distance.
As shown in fig. 5, after the pressing device 18 is activated, it further includes:
the laser distance meter detects the distance from the laser distance meter to the water surface and sends the distance to the processor 5;
the processor 5 calculates the height of the liquid dung in the filter tank 7 and extracts all the third electric control valves 22 above the height;
the processor 5 outputs a third signal to the driving device 6, and the driving device 6 drives the third electric valve to open.
As shown in fig. 6, when the water level in the filtering tank 7 rises, the processor 5 closes part of the third electrically controlled valve 22:
the laser distance meter detects the distance from the laser distance meter to the water surface and sends the distance to the processor 5;
the processor 5 calculates the height of the liquid dung in the filter tank 7 and judges whether the distance is gradually reduced;
if yes, the processor 5 extracts a third electric control valve 22 which is positioned above the height and is closest to the water surface;
the processor 5 outputs a closing signal to the driving device 6, and the driving device 6 drives the third electrically controlled valve 22 to close.
Specifically, the feed port 8 is communicated with the septic tank to receive a liquid manure mixture in the septic tank, when liquid manure in the filter tank 7 overflows one-half of the spiral body 9, the processor 5 controls the spiral body 9 to rotate, when the liquid manure is lower than one-half of the spiral body 9, the processor 5 controls the spiral body 9 to stop rotating, a preset concentration is preset in the processor 5, the preset concentration is an acceptable concentration of the liquid manure concentration, the suspended matter concentration meters 10 in each horizontal area respectively send the measured concentration to the processor 5, the processor 5 compares the received concentration with the preset concentration, when the concentration is less than or equal to the preset concentration, the liquid manure in the area can be discharged, the processor 5 extracts the suspended matter concentration meter 10 with the acceptable measured data and a second electric control valve 13 corresponding to the suspended matter concentration meter 10, and controls to open the second valve 13, and when the measured data of the suspended matter concentration meter 10 is greater than the preset concentration, controlling to close the second electric control valve 13. After the spiral body 9 rotates for a period of time or a certain amount of sediment is accumulated at the bottom of the filtering tank 7, the pushing device 14 pushes the sediment to the extruding device 18, meanwhile, the extruding device 18 is started, the extruding device 18 is arranged vertically above the lifting device 17, the maximum height which can be reached by the lifting device 17 is the lowest height of the extruding device 18, a preset distance is arranged in the processor 5, when the lifting device 17 rises for the preset distance, the maximum height which can be reached by the lifting device 17 is reached, then the lifting device descends for the preset distance, the pushing device 14 is waited to push the next wave sediment into the storage tank 16, the discharging pipeline 15 is arranged to be in an inverted L shape, the extruding device 18 outputs the excrement upwards, the moisture in the excrement is discharged downwards, the moisture flows into the filtering tank 7 again through the second water discharging hole 21 on the side wall of the discharging pipeline 15 for multiple filtration, and (3) reducing the concentration of the liquid dung, and in order to prevent the liquid dung in the filter tank 7 from entering the extrusion device 18 in the second process, only opening the third electric control valve 22 above the water level in the filter tank 7, detecting the height of the water level in the filter tank 7 in real time in the process, and closing the third electric control valve 22 closest to the water level in time.
EXAMPLE III
As shown in fig. 7, after the pressing device 18 is activated, it further includes:
the processor 5 outputs a drying signal to the driving device 6, and the driving device 6 drives the drying device 23 to start.
When the lifting device 17 is in the lifting process, the drying device 23 is kept in the opening state;
when the lifting device 17 is in the descending process, the drying device 23 enters a standby state.
Specifically, the drying device 23 is located obliquely above the extruding device 18, and horizontally outputs the drying airflow, and the airflow output direction is consistent with the outlet direction of the discharging pipeline 15, so that the drying of the excrement can be accelerated, and the discharging of the excrement can be accelerated.
In the process of ascending the lifting device 17, the excrement is pushed to the extruding device 18, the extruding device 18 discharges the excrement from the upper part of the extruding device, then the drying device 23 is started, when the lifting device 17 ascends to the maximum height, the excrement completely passes through the extruding device 18, and at the moment, the drying device 23 is closed, so that the useless energy consumption is reduced.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. A solid-liquid separation equipment for environmental protection treatment of filth comprises a filtering mechanism, a pushing hand mechanism, an extrusion mechanism and a control mechanism, and is characterized in that the control mechanism comprises a processor and a driving device, the driving device is connected with the processor, the filtering mechanism comprises a filtering tank, the filtering tank comprises a feed inlet, a spiral body, a suspended matter concentration meter and a first drainage hole, the feed inlet is arranged at the top of the filtering tank and comprises a first electric control valve, the first electric control valve is connected with the driving device and used for controlling the opening and closing of the feed inlet, the spiral body is arranged at the center of the filtering tank and connected with the driving device, the suspended matter concentration meter is arranged on the side wall of the filtering tank in a dispersion manner, and the vertical distance between every two suspended matter concentration meters is equal, the position of the first drainage hole corresponds to the position of the suspended matter concentration meter one by one, namely the first drainage hole is equal to the vertical height of the suspended matter concentration meter, the first drainage hole comprises a second electric control valve, the second electric control valve is connected with the driving device and is used for controlling the opening and closing of the first drainage hole, the second electric control valve positioned at the same vertical height establishes a corresponding relation with the suspended matter concentration meter, the pushing mechanism is arranged on the side surface of the filtering tank and comprises a plurality of pushing devices, the pushing devices are connected with the driving device and transversely push sediments, the extruding mechanism is arranged on the opposite surface of the pushing mechanism and comprises a discharge pipeline, a storage groove, a lifting device, an extruding device, a laser range finder and a second drainage hole, and the discharge pipeline is arranged in an L-shaped structure, the object placing groove is arranged at the bottom of the discharge pipeline and communicated with the filtering tank, the object placing groove is lower than the bottom surface of the filtering tank, the lifting device and the extruding device are respectively connected with the driving device, the bottom of the object placing groove is served by the lifting device, the extruding device comprises at least two groups of electric rollers which rotate in opposite directions, the electric rollers are arranged at the corners of the discharge pipeline, the laser range finder is used for detecting the distance between the laser range finder and the water surface and sending the distance to the processor, the second drain hole is communicated with the extruding mechanism and the filtering tank, the second drain hole comprises a third electric control valve, and the third electric control valve is connected with the driving device.
2. The solid-liquid separation equipment for environmental protection treatment of the filth according to claim 1, characterized in that: the bottom surface of the filtering tank is inclined, and one end of the pushing mechanism is higher than one end of the extruding mechanism.
3. The solid-liquid separation equipment for environmental protection treatment of the filth according to claim 2, characterized in that: the stroke track of the pushing device is parallel to the bottom surface of the filter tank.
4. The solid-liquid separation equipment for environmental protection treatment of the filth according to claim 1, characterized in that: the extruding mechanism further comprises a drying device, the drying device is arranged at the corner of the discharging pipeline and is positioned above the extruding device in an inclined mode, and the drying device is connected with the driving device and used for drying solid excrement.
5. The working method of the solid-liquid separation equipment for the environmental protection treatment of the filth according to any one of claims 1 to 4, is characterized in that: the method comprises the following working steps:
a) the processor outputs a first opening signal to the driving device, the driving device drives the first electric control valve to open, and the first electric control valve is closed when no object passes through the feeding hole;
b) the processor outputs a rotation signal to the driving device, and the driving device drives the spiral body to rotate;
c) the suspended matter concentration meter detects the concentration of the liquid dung in the horizontal area in real time and sends the measured concentration to the processor;
d) the processor judges whether the received concentration is less than or equal to a preset concentration;
e) if yes, the processor marks a suspended matter concentration meter with a measurement value smaller than or equal to a preset concentration, and extracts a second electric control valve corresponding to the suspended matter concentration meter;
f) the processor outputs a second opening signal to the driving device, and the driving device drives the second electric control valve to open;
g) the processor outputs a pushing signal to the driving device, and the driving device drives the pushing device to transversely push;
h) the processor outputs a rising signal to the driving device, the driving device drives the lifting device to rise for a preset distance, and the preset distance is equal to the height from the object placing groove to the extruding device;
i) the processor outputs extrusion signals to the driving device, and the driving device drives the two electric rollers in the extrusion device to rotate upwards in opposite directions;
j) when the lifting device rises to reach the preset height, the processor outputs a falling signal to the driving device, and the driving device drives the lifting device to fall for the preset distance.
6. The working method of the solid-liquid separation equipment for the environmental protection treatment of the filth according to claim 5, is characterized in that: after the squeezing device is started, the device further comprises:
the laser range finder detects the distance from the laser range finder to the water surface and sends the distance to the processor;
the processor calculates the height of the liquid dung in the filter tank and extracts all the third electric control valves above the height;
the processor outputs a third signal to the driving device, and the driving device drives the third electric valve to open.
7. The working method of the solid-liquid separation equipment for the environmental protection treatment of the filth according to claim 6, characterized in that: when the water level in the filter tank rises, the processor closes part of the third electric control valves:
the laser range finder detects the distance from the laser range finder to the water surface and sends the distance to the processor;
the processor calculates the height of the liquid dung in the filter tank and judges whether the distance is gradually reduced;
if yes, the processor extracts a third electric control valve which is located above the height and is closest to the water surface;
the processor outputs a closing signal to the driving device, and the driving device drives the third electric control valve to close.
8. The working method of the solid-liquid separation equipment for the environmental protection treatment of the filth according to claim 5, is characterized in that: after the squeezing device is started, the device further comprises:
the processor outputs a drying signal to the driving device, and the driving device drives the drying device to start.
9. The working method of the solid-liquid separation equipment for the environmental protection treatment of the filth according to claim 8, characterized in that: when the lifting device is in the lifting process, the drying device keeps the opening state;
and when the lifting device is in a descending process, the drying device enters a standby state.
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| CN110152391B true CN110152391B (en) | 2021-12-14 |
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