CN113185080A - Tympanic membrane filter pressing plate for magnetic-thermal diaphragm airflow sludge dewatering and drying integrated equipment - Google Patents
Tympanic membrane filter pressing plate for magnetic-thermal diaphragm airflow sludge dewatering and drying integrated equipment Download PDFInfo
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- CN113185080A CN113185080A CN202110015581.6A CN202110015581A CN113185080A CN 113185080 A CN113185080 A CN 113185080A CN 202110015581 A CN202110015581 A CN 202110015581A CN 113185080 A CN113185080 A CN 113185080A
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/28—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating
- B01D25/282—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating for drying
- B01D25/284—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating for drying by gases or by heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/32—Removal of the filter cakes
- B01D25/325—Removal of the filter cakes counter-current flushing, e.g. by air bumps
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
- C02F11/131—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating using electromagnetic or ultrasonic waves
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
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- Life Sciences & Earth Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filtration Of Liquid (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the field of filter pressing equipment, in particular to a tympanic membrane filter pressing plate for a magnetic-thermal diaphragm airflow sludge dewatering and drying integrated device. The filter cloth is fixed on the diaphragm by the feed inlet fastening ring and covers two side surfaces of the tympanic membrane pressing filter plate, the edge of the filter cloth is fixed on the frame of the pressing core plate, and the filtrate discharge mechanism is sequentially butted with a pressing core plate through seam slots, a filtrate seam, a filtrate concealed pipe and a pressing plate filtrate pipe by a plurality of diaphragm through seam slots; the filter liquor is discharged from the filter cloth holes through the filter cloth holes sequentially from one surface of the diaphragm far away from the pressing core plate, the diaphragm through seam groove, the pressing core plate through seam groove, the filter liquor seam, the pressing plate filter liquor concealed pipe and the pressing plate filter liquor pipe.
Description
Technical Field
The invention relates to the field of filter pressing equipment, in particular to a tympanic membrane filter pressing plate for a magnetic-thermal diaphragm airflow sludge dewatering and drying integrated device.
Background
The filter press is a mechanical device which applies a certain pressure to a target by using a special filter medium to dialyze liquid, and is a common solid-liquid separation device. The method is applied to chemical production at the beginning of the eighteenth century, and is still widely applied to industries such as chemical industry, pharmacy, metallurgy, dye, food, brewing, ceramics, environmental protection and the like until now. In order to achieve better performance of the filter press, various auxiliary devices are required to be matched and automatic production is realized under the control of a program. The prior art is partially automatic and manual, some of the prior art can basically realize automatic production, but the equipment is complex and large, the energy consumption is high, the operation is complex and the cost is high. The applicant has applied for the integrated equipment for dewatering and drying sludge by magnetic heat diaphragm airflow in 12-31/2020, with the application numbers as follows: 202011640385X; in 2021, 6.1, a production method of integrated equipment for dewatering and drying sludge by using airflow with a magnetic-thermal diaphragm is applied, and the application number is as follows: 2021100106468.
disclosure of Invention
In order to overcome the defects in the prior art, a filter pressing integration device with high integration level, low energy consumption and simple operation is needed, and the filter pressing integration device is more efficient and lower in cost when applied to filter pressing object treatment.
A magnetic-thermal diaphragm airflow sludge dewatering and drying integrated device comprises a filter press, a feeding facility, a squeezing facility, an electromagnetic drying facility, a back-flushing self-cleaning facility, a waste gas treatment facility, a deslagging facility, a dry air facility and a program control facility; the gas and liquid between the machine and the equipment are communicated through a pipeline, and the power supply and the control are communicated through a circuit.
Furthermore, the filter press is provided with a frame, the frame is provided with a plurality of filter pressing units consisting of tympanic membrane filter pressing plates and electromagnetic heating plates to form an array, the feed inlets of the tympanic membrane filter pressing plates and the electromagnetic heating plates are superposed in the formed array to form feed pipes, the feed pipes and the external connection part form feed pipe interfaces, the frames at two ends of the array are provided with a hydraulic mechanism and a plate opening mechanism, and the hydraulic mechanism comprises a push plate and a hydraulic cylinder.
Furthermore, the feeding facility is provided with a slurry mixing tank with a raw material input port, a dosing device is arranged and connected with the slurry mixing tank through a pipeline in an input mode, a manual valve is arranged between pipelines, an output end pipeline of the slurry mixing tank is connected with a feeding pipe interface of the filter press, the pipeline is sequentially provided with the manual valve, a pressure pump, a pneumatic ball valve, a pressure gauge, a pressure sensor and a pressure transmitter, wherein a return pipe which is communicated with an inlet at the top end of the slurry mixing tank and is provided with the pneumatic ball valve is connected with the pressure gauge and the pneumatic ball valve in a common end mode.
Furthermore, the squeezing facility is composed of a medium-pressure air compressor, a medium-pressure air storage tank and the tympanic membrane filter plate in an isomorphic mode, a manual ball valve, an electric ball valve and a pneumatic ball valve are further arranged on a pipeline between the medium-pressure air compressor and the medium-pressure air storage tank, the common end of the electric ball valve and the pneumatic ball valve is connected with a high-pressure end of a pressure reducing valve, the low-pressure end of the pressure reducing valve is sequentially connected with a throttling valve, the pneumatic ball valve and a pressure sensor, and then the low-pressure end of the pressure reducing valve reaches a squeezing inlet of the tympanic membrane filter plate, and the pneumatic ball valve is further connected between the pneumatic ball valve and the pressure sensor and connected with a filtrate outlet.
Furthermore, the electromagnetic drying facility is composed of an electromagnetic power supply and an electromagnetic heating plate, and the output end of the electromagnetic power supply is connected with the coil terminal of the electromagnetic heating plate through a power line.
Furthermore, the back-flushing self-cleaning facility comprises a low-pressure air compressor, a low-pressure air storage tank and a feed pipe interface of the filter press, the output end of the low-pressure air compressor is sequentially connected with a pneumatic ball valve, the low-pressure air storage tank and the pneumatic ball valve and then divided into three paths, one path of the three paths is sequentially connected with the low-pressure end of a pressure reducing valve, and the high-pressure end of the pressure reducing valve is connected with the pneumatic ball valve and then connected with a throttle valve of a medium-pressure air storage tank and the common end of the pneumatic ball valve; the second path is communicated with the pneumatic ball valve, the check valve and the inlet pipe interface of the filter press in sequence, and the third path is connected with the pneumatic ball valve, the pneumatic ball valve and the pressing inlet of the tympanic membrane filter press plate in sequence; the back-flushing self-cleaning facility also comprises a flushing mechanism consisting of a water tank and a hydraulic pump, wherein the outlet of the water tank is sequentially connected with the hydraulic pump, a check valve, a pneumatic ball valve and a check valve to the inlet pipe interface of the filter press.
The waste gas treatment facility comprises a heat exchanger, a gas-liquid separator, a vacuum pump and a cooling tower, wherein the upper and lower filter liquid pipes of the tympanic membrane filter pressing plate and the electromagnetic heating plate are connected in parallel through a pneumatic angle valve and a pneumatic ball valve and then through the pneumatic ball valve, a temperature sensor and a humidity sensor to the upper inlet of the heat exchanger, the lower outlet of the heat exchanger, the humidity sensor, the temperature sensor, the inlet of the gas-liquid separator, the upper outlet of the gas-liquid separator, the vacuum pump and the other end of the pneumatic ball valve connected with the lower outlet of the gas-liquid separator through the manual ball valve are combined to a filtrate outlet; and an outlet at the upper end of the heat exchanger enters the upper layer of the cooling tower, the vacuum pump cooling box, the pneumatic ball valve, the hydraulic pump, the pneumatic ball valve, the lower layer of the cooling tower, the pneumatic ball valve, the hydraulic pump and the pneumatic ball valve and returns to an inlet at the lower end of the heat exchanger.
Furthermore, the slag removal facility is an air blower, and a pipeline is sequentially connected with a pneumatic angle valve in two ways from an air outlet of the air blower and the rear part of the pneumatic ball valve and enters the tympanic membrane filter press plate and the upper and lower filter liquid pipes of the electromagnetic heating plate.
Furthermore, the dry air facility is provided with a dry air tank and a freezing type dryer, and the output end of the low-pressure air tank, the pneumatic ball valve, the humidity sensor, the freezing type dryer, the dry air tank and the pneumatic ball valve are connected in sequence and then connected to the other end of the other pneumatic ball valve connected with the output end of the low-pressure air compressor.
Further, the program control facility controls all the devices, start-stop switches and valves of the facility and receives and processes data transmitted by all the sensors through programs.
All the pneumatic ball valves, the hydraulic pump and other valves which can realize the same function can be used for replacing the pneumatic ball valves and the hydraulic pump, and the number of the various valves can be increased or decreased.
The production method of the integrated device for dewatering and drying sludge by utilizing the magneto-thermal diaphragm airflow can be carried out by the following steps, and the sludge treatment process or method is carried out by utilizing the invention by taking an environment-friendly action example.
Conveying the concentrated sludge to a slurry mixing tank, adding a flocculating agent from a dosing device through a hydraulic pump, feeding the sludge into the slurry mixing tank to enable the water content of the sludge to be about 95%, feeding the sludge into a filter chamber formed by combining a tympanic membrane filter plate of a filter press and an electromagnetic heating plate, feeding gas input by a medium-pressure air compressor into a filter pressing cavity formed by a diaphragm of the tympanic membrane filter plate and a core plate of the tympanic membrane filter plate to generate tympanic membrane pressure to squeeze a filter cake in the filter chamber, discharging filtrate through a pipeline, flushing sludge in a feeding pipeline and refluxing the sludge into the slurry mixing tank when the sludge filter cake (mud cake) is squeezed by the filter press to the water content of 60%, reversely blowing accumulated water in a feeding pipe by using gas generated by a low-pressure air compressor, opening an electromagnetic power supply after the reverse blowing is finished, starting the electromagnetic heating plate to work, performing electromagnetic heating for about 20-40 minutes until the water content of the sludge is about 45%, starting a water vacuum pump, simultaneously starting a low-pressure air compressor and starting a pneumatic ball valve of a low-pressure drying air tank, blowing and exhausting air while blowing, blowing hot air near a heating plate onto the mud cake for 10-15 minutes, stopping heating the heating plate, vacuumizing and blowing air for 5-10 minutes, continuously drying the filter cake by using waste heat in the heating plate until the water content of the sludge is truly 30% (+/-5%), stopping blowing air and vacuumizing the filter cake, then opening the plate, blowing air into a filtrate port by an air blower to blow off the mud cake and blow off the filter cloth completely.
The invention relates to a tympanic membrane filter pressing plate for a magnetic-thermal diaphragm airflow sludge dewatering and drying integrated device.
The tympanic membrane pressing filter plate comprises a pressing core plate, a membrane, a feed inlet fastening ring, a filtrate discharge mechanism and filter cloth, wherein the feed inlet is positioned at the center of each element, the membrane and the feed inlet fastening ring are sequentially stacked from near to far in a mirror symmetry mode by taking the pressing core plate as the center, all the elements are arranged in a right-to-right mode, vertical center lines are overlapped, the center of the filter cloth is fixed on the membrane through the feed inlet fastening ring and covers two side faces of the tympanic membrane pressing filter plate, and the edge of the filter cloth is fixed on a frame of the pressing core plate.
Furthermore, the filtrate discharge mechanism is formed by sequentially butting a plurality of diaphragm through-slit grooves with a squeezing core plate through-slit groove, a filtrate slit, a filtrate concealed pipe and a squeezing plate filtrate pipe; the filter liquor is discharged from the filter cloth holes through the filter cloth holes sequentially from one surface of the diaphragm far away from the pressing core plate, the diaphragm through seam groove, the pressing core plate through seam groove, the filter liquor seam, the pressing plate filter liquor concealed pipe and the pressing plate filter liquor pipe.
Further, the diaphragm is of a groove structure, and the periphery of the diaphragm is higher than the middle part of the diaphragm.
Furthermore, a pressing core plate collecting annular groove which is communicated with the pressing core plate through-slit groove and is arranged above the filtrate slit and surrounds the diaphragm is further arranged above the pressing core plate through-slit groove and the filtrate slit.
Furthermore, two squeezing plate filtrate pipes are arranged on the squeezing core plate and comprise a squeezing plate upper filtrate pipe and a squeezing plate lower filtrate pipe; the filtrate pipe on the squeezing plate is communicated with the filtrate concealed pipe and the filtrate seam on the squeezing plate; and the lower filter liquor pipe of the pressing plate is communicated with the lower filter liquor concealed pipe and the filter liquor seam of the pressing plate.
Furthermore, a plurality of squeezing core plate filtrate holes are also formed in the frame of the squeezing core plate, the left side of the squeezing core plate filtrate hole is communicated with a squeezing plate upper filtrate concealed pipe, and the right side of the squeezing core plate filtrate hole is communicated with a squeezing plate lower filtrate concealed pipe; and a plurality of diaphragm through hole grooves corresponding to the filtrate holes are arranged on the diaphragm and are butted.
Furthermore, the filtrate concealed pipe on the squeezing board and the filtrate concealed pipe under the squeezing board are independently arranged.
Furthermore, one of the upper filter liquor pipe and the lower filter liquor pipe of the squeezing plate is connected with dry air, and the other is connected with a vacuum negative pressure device in the heating and drying process.
Furthermore, four core plate extrusion bosses and four diaphragm extrusion bosses are symmetrically arranged on the pressing core plate and the diaphragm at corresponding positions respectively.
Furthermore, a diaphragm assembling strip is arranged on the contact surface of the diaphragm and the pressing core plate and is matched and hermetically connected with a diaphragm assembling groove on the pressing core plate correspondingly arranged on the diaphragm assembling strip; the filter membrane is provided with a diaphragm fastening ring groove and a feed inlet fastening ring which are corresponding to each other and overlapped to form a closed connection, wherein the feed inlet of the filter press plate, the diaphragm feed inlet and the fastening ring are opposite to each other and overlapped to form a feed inlet of the filter press plate; a pressing cavity with sealed periphery is formed between the filter membrane and the pressing core plate; the squeezing core plate is also provided with squeezing ports which are communicated with the two side surfaces of the squeezing core plate, and the squeezing ports are connected with squeezing inlets arranged on the frame of the squeezing core plate and communicated with the squeezing cavity.
Furthermore, an elastic feeding ring is arranged around the feed inlet fastening ring on the diaphragm, and a core plate feeding convex ring is arranged at a corresponding position on the pressing core plate and is in sealing fit with the pressing core plate.
The electromagnetic heating plate used by the magnetic-thermal diaphragm airflow sludge dewatering and drying integrated equipment comprises an electromagnetic core plate, a heating plate frame, a feeder, a heating plate filtrate discharging mechanism and filter cloth, wherein a feed inlet is positioned in the center of each element, the heating plate frame and the feeder are sequentially stacked from near to far in a mirror symmetry mode by taking the electromagnetic heating core plate as the center, all the elements are arranged in a right-to-side mode, vertical center lines of the elements are overlapped, the center of the filter cloth is fixed on the heating plate through the feeder and covers two side faces of the electromagnetic heating plate, and the edge of the filter cloth is fixed on a frame of the electromagnetic core plate.
The heating plate filtrate discharge mechanism is formed by sequentially butting an electromagnetic core plate liquid through groove, an electromagnetic core plate water collecting groove, an electromagnetic core plate liquid guide hole, a filtrate immersed tube and a heating core plate filtrate tube by a plurality of heating plate liquid outlet holes; the filtrate is discharged from the filter cloth hole and sequentially flows out from the heating plate liquid outlet hole, the electromagnetic core plate liquid through groove, the electromagnetic core plate liquid guide hole, the filtrate settling pipe to the heating core plate filtrate pipe.
The inner side of the heating plate frame is a heating plate filtering chamber formed by the inner side of the heating plate frame and one surface of the heating plate far away from the electromagnetic core plate.
And one side of the feeder, which faces the heating plate filter chamber, is provided with a plurality of feeder grooves, a feeder port at the center of the feeder is sequentially in sealed connection with the notch at the center of the filter cloth, the heating plate feed port and the electromagnetic core plate feed port, which are opposite to the overlapped periphery, and the other side of the electromagnetic core plate is arranged in a mirror symmetry manner.
The heating plate is a flat plate, the liquid outlet holes of the heating plate are fully distributed on the flat plate, and the center of the heating plate is provided with a feeding hole of the heating plate.
The heating plate filtrate discharge mechanism is characterized in that the upper ends and the lower ends of a plurality of electromagnetic core plate liquid passing grooves are communicated with electromagnetic core plate liquid collecting grooves with electromagnetic core plate liquid guide holes, the electromagnetic core plate upper liquid collecting groove is positioned at the upper end, and the electromagnetic core plate lower liquid collecting groove is positioned at the lower end; the electromagnetic core plate liquid guide hole in the liquid collecting tank on the electromagnetic core plate is communicated with the filtrate upper immersed tube and the filtrate pipe on the electromagnetic core plate, and the electromagnetic core plate liquid guide hole in the liquid collecting tank under the electromagnetic core plate is communicated with the filtrate lower immersed tube and the filtrate pipe under the electromagnetic core plate.
The filtrate upper immersed tube and the filtrate lower immersed tube are arranged independently, and filtrate or gas flows between the filtrate upper immersed tube and the filtrate lower immersed tube and needs to pass through the electromagnetic core plate liquid guide hole, the electromagnetic core plate liquid through groove and the electromagnetic core plate liquid collecting groove.
And one of the electromagnetic core plate upper filtrate pipe and the electromagnetic core plate lower filtrate pipe is connected with dry air in the heating and drying process, and the other one is connected with a vacuum negative pressure device.
And an electromagnetic coil is arranged in the central plane of the electromagnetic core plate, and an electromagnetic coil terminal is arranged on a frame of the electromagnetic core plate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without creative efforts.
FIG. 1 is a schematic view of a topology of an integrated apparatus for dewatering and drying sludge by magnetic-thermal diaphragm airflow according to an embodiment of the present invention;
FIG. 2 is a view of area A of FIG. 1;
FIG. 3 is a view of area A of FIG. 1;
FIG. 4 is a production flow chart of an integrated sludge dewatering and drying apparatus utilizing a magnetic thermal diaphragm airflow according to an embodiment of the present invention.
FIG. 5 is a schematic exploded view of a tympanic membrane filter plate of the integrated apparatus for dewatering and drying sludge by magnetic-thermal diaphragm air flow according to an embodiment of the present disclosure;
FIG. 6 is a schematic front view of a tympanic membrane filter plate of the integrated apparatus for dewatering and drying sludge by magnetic-thermal diaphragm airflow according to an embodiment of the present disclosure;
FIG. 7 is an enlarged perspective view of area D of FIG. 6;
FIG. 8 is a schematic front view of a septum;
FIG. 9 is a schematic front view of a press core;
fig. 10 is a schematic view of the opposite side of fig. 9 taken in the direction M.
FIG. 11 is a schematic exploded view of an electromagnetic heating plate used in an integrated apparatus for dewatering and drying sludge by magnetic-thermal diaphragm airflow according to an embodiment of the present invention;
FIG. 12 is a schematic front view of a heating plate in the electromagnetic heating plate;
FIG. 13 is a front perspective view of an electromagnetic heating plate used in an integrated apparatus for dewatering and drying sludge by magnetic-thermal diaphragm airflow according to an embodiment of the present invention;
FIG. 14 is a front view of an electromagnet core in the electromagnetic heating plate;
FIG. 15 is an enlarged perspective view of area E of FIG. 14;
fig. 16 is a schematic view of the reverse side of fig. 14 taken in the middle of the direction N.
Notation in the figure: the filter press 100, a frame 101, a hydraulic cylinder 102, a tympanic membrane filter press plate 103, an electromagnetic heating plate 104, a pneumatic angle valve 105, a pressing inlet 109, a feed pipe interface 110, a push plate 112, a slurry mixing tank 201, a drug adding device 202, a medium pressure air compressor 211, a medium pressure air storage tank 212, an electromagnetic power supply 221, a heat exchanger 231, a gas-liquid separator 232, a vacuum pump 233, a cooling tower 234, a blower 244, a low pressure air compressor 251, a low pressure air storage tank 252, a vacuum pump,
The system comprises a water tank 261, a freeze dryer 271, a drying air tank 272, pneumatic ball valves 1-26, hydraulic pumps 36-39, manual ball valves 31-34, pressure reducing valves 41-42, humidity sensors 51-53, check valves 61-62, pressure sensors 71-72, filtrate discharge ports 81-83, a pressure gauge 91, an electromagnetic flowmeter 92, an electric ball valve 93, a throttle valve 94 and a temperature sensor 95;
a press core plate 300, a press core plate feed inlet 301, a core plate fastening annular groove 302, a filtrate seam 303, a press core plate through seam groove 304, a press core plate filtrate hole 305, a core plate pressing boss 306, a core plate feed convex ring 307, a diaphragm assembling groove 308, a press plate upper filtrate pipe 309, a press plate lower filtrate pipe 310, a press port 312, a press core plate collecting annular groove 313, a press plate upper filtrate concealed pipe 314, a press plate lower filtrate concealed pipe 315, a diaphragm 340, a diaphragm feed inlet 341, a diaphragm fastening annular groove 342, a diaphragm through seam groove 344, a diaphragm through hole groove 345, a diaphragm pressing boss 346, a feed ring 347, a diaphragm assembling strip 348, a feed inlet fastening ring 352 and a fastening annular port 351;
the electromagnetic core plate comprises an electromagnetic core plate 410, an electromagnetic core plate feeding hole 411, an electromagnetic core plate fixing hole 412, an electromagnetic core plate liquid passing groove 413, an electromagnetic core plate liquid separation wall 414, an electromagnetic core plate upper liquid collecting groove 415, an electromagnetic core plate lower liquid collecting groove 415, an electromagnetic core plate liquid guide hole 417, a filtrate upper immersed tube 418, an electromagnetic core plate upper filtrate tube 419, an electromagnetic core plate lower filtrate tube 420, an electromagnetic coil 421, an electromagnetic coil terminal 422, a feeder 423, a feeder groove 424, a filtrate lower immersed tube 425, a feeder opening 426, a heating plate 440, a heating plate liquid outlet hole 442, a heating plate feeding hole 441, a heating plate frame 450, a heating plate frame inner side 451 and a heating plate frame fixing hole 452.
Detailed Description
In order that the invention may be readily understood, reference will now be made to the following description taken in conjunction with the accompanying drawings. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 to 3, the filter press 100 has a frame 101, the frame 101 is provided with a plurality of filter press units composed of a tympanic membrane filter plate 103 and an electromagnetic heating plate 104 in an array (only one filter press unit composed of the tympanic membrane filter plate 103 and the electromagnetic heating plate 104 is described below as an example), a feed pipe is formed by stacking a feed inlet of the tympanic membrane filter plate and a feed inlet of the electromagnetic heating plate in the formed array, the feed pipe interfaces 110 and 111 are formed with an external connection part, and the frame 101 at both ends of the array is provided with a hydraulic mechanism including a push plate 112, a hydraulic cylinder 102 and a plate opening mechanism (not shown in the figure).
In the example, the feeding facility is provided with a slurry mixing tank 201 with a raw material input port, the provided dosing device 202 is connected to the slurry mixing tank 201 through pipeline input, a manual valve 34 is arranged between pipelines, the output end of the slurry mixing tank 201 is connected with the feeding pipe interface 110 of the filter press 100 through a pipeline, the pipeline is sequentially provided with the manual valve 31, a hydraulic pump 36, a pneumatic ball valve 1, a pressure gauge 91, a pressure sensor 71 and a pressure transmitter 92, wherein the pressure gauge 91 and the pneumatic ball valve 1 are connected with a return pipe which is communicated with the inlet at the top end of the slurry mixing tank 201 and is provided with a pneumatic ball valve 2.
In an example, the squeezing facility is composed of a medium-pressure air compressor 211, a medium-pressure air storage tank 212 and the tympanic membrane filter plate 103, a manual ball valve 32 and an electric ball valve 93 are further arranged on a pipeline between the medium-pressure air compressor 211 and the medium-pressure air storage tank 212, wherein the electric ball valve 93 is connected with the electric ball valve 22 and then connected with the medium-pressure air storage tank 212, the common end of the electric ball valve 93 and the pneumatic ball valve 22 is connected with a pressure reducing valve 41, a throttle valve 94, and a pneumatic ball valve 25 is connected to the squeezing inlet 109 of the tympanic membrane filter plate 103 through a pressure sensor 72, and a pneumatic ball valve 23 is further connected between the pneumatic ball valve 25 and the pressure sensor 72 and connected with a filtrate outlet 83.
In an example, the electromagnetic drying facility is composed of an electromagnetic power supply 221 and an electromagnetic heating plate 104, and an output end of the electromagnetic power supply 221 is connected with a coil terminal of the electromagnetic heating plate 104 through a power line.
In the example, the back-flushing self-cleaning facility comprises a low-pressure air compressor 251, a low-pressure air storage tank 252 and a feeding pipe interface 111, wherein the output end of the low-pressure air compressor 251 is sequentially connected with a pneumatic ball valve 10, a low-pressure air storage tank 252 and a pneumatic ball valve 20, and then is divided into three paths, one path of the three paths is sequentially connected with a pressure reducing valve 42 and a pneumatic ball valve 21 and then is connected with the common end of a throttle valve 94 and a pneumatic ball valve 25; the second path is communicated with the pneumatic ball valve 8, the check valve 61 and the feeding pipe interface 111 of the filter press 100 in sequence, and the third path is connected with the pneumatic ball valve 7, the pneumatic ball valve 26 and the pressing inlet 109 of the tympanic membrane filter press plate 103 in sequence. The back-flushing self-cleaning facility also comprises a flushing mechanism consisting of a water tank 261 and a hydraulic pump 37, and the outlet of the water tank is sequentially connected with the hydraulic pump 37, a check valve 62, a pneumatic ball valve 11 and a check valve 61 to the feed pipe interface 111 of the filter press.
In the example, the waste gas treatment facility includes a heat exchanger 231, a gas-liquid separator 232, a water vacuum pump 233 and a cooling tower 234, the upper and lower filtrate pipes of the tympanic membrane filter plate 103 and the electromagnetic heating plate 104 are connected by a pneumatic angle valve 105 and a pneumatic ball valve 3 and then are connected by a pneumatic ball valve 14, a temperature sensor 95, a humidity sensor 52 to the upper inlet of the heat exchanger 231, the lower outlet of the heat exchanger 231, a humidity sensor 53 to the inlet of the gas-liquid separator 232 by a temperature sensor 96, the upper outlet of the gas-liquid separator 232, the vacuum pump 233, the manual ball valve 33 and the other end of the pneumatic ball valve 12 connected with the lower outlet of the gas-liquid separator 232 are merged to the filtrate outlet 82, wherein the gas-liquid separator 232 is also connected with a pneumatic ball valve 13; the outlet at the upper end of the heat exchanger 231 enters the upper layer of the cooling tower 234, enters the water vacuum pump 233 to cool the tank to the pneumatic ball valve 18, the hydraulic pump 39, the pneumatic ball valve 17, the lower layer of the cooling tower 234, the pneumatic ball valve 16, the hydraulic pump 38 and the pneumatic ball valve 15, and returns to the inlet at the lower end of the heat exchanger 231.
In the example, the slag removal facility is a blower 244, the pipeline is divided into two paths from a blower outlet of the blower 244 and the pneumatic ball valve 6 in sequence, one path is connected with the pneumatic ball valve 24 and then respectively connected with the pneumatic angle valves 106 and 108, the other path is connected with the pneumatic ball valve 4 and then respectively connected with the pneumatic angle valves 105 and 107, the pneumatic angle valve 105 and 108 respectively enter the tympanic membrane filter plate 103 and the filtrate pipe of the electromagnetic heating plate 104, wherein the common end of the pneumatic ball valve 26 and the pneumatic angle valves 105 and 107 is connected with the pneumatic ball valve 3 in a tapping mode, and is connected with the pneumatic ball valve 5 and then connected with the filtrate outlet 81.
In the example, the dry air tank 272 and the freeze dryer 271 are connected in parallel by the output end of the low pressure air tank 252, the pneumatic ball valve 19, the humidity sensor 51, the freeze dryer 271, the dry air tank 272, and the pneumatic ball valve 9, in turn, with the other end of the pneumatic ball valve 20 connected to the output end of the low pressure air tank 252.
The program control facility is arranged in an electric box (not shown in the figure), and is used for controlling all equipment, start-stop switches and valves of the facility and receiving and processing data transmitted by all sensors through a program.
The general production flow of the integrated device for dewatering and drying sludge by using the magneto-caloric diaphragm airflow is shown in figure 4.
The specific operation method is shown in figures 1-3.
Before feeding, a hydraulic mechanism is started, a push plate 112 is pushed by a hydraulic cylinder 102 to close a filter-pressing series formed by a tympanic membrane filter pressing plate 103 and an electromagnetic heating plate 104, and then feeding is carried out, wherein the feeding step comprises the steps of opening a manual ball valve 31, a pneumatic ball valve 1 and closing a pneumatic ball valve 2, starting a hydraulic pump 36, displaying feeding pressure by a pressure gauge 91, controlling the opening degree of the pneumatic ball valve 2 of a return pipe by a pressure sensor 71, and displaying feeding speed by an electromagnetic flowmeter 92; the feeding time is controlled within 15-20 minutes.
And starting squeezing after the feeding is finished, wherein the squeezing step comprises the steps of opening the manual ball valve 32, the electric ball valve 93, the pressure reducing valve 41, the throttle valve 94 and the manual ball valve 2, closing the pneumatic ball valves 21 and 22, and starting the medium-pressure air compressor 211 to start squeezing for 15-20 minutes. The excess gas generated by the medium-pressure air compressor 211 can be stored in the medium-pressure air storage tank 212, and the opening and closing of the electric ball valve 93 and the pneumatic ball valve 22 are controlled by the pressure sensor 72, so that the pressure reaches 25.5kg ^ er
The pneumatic ball valve 22 is opened to store air in the medium-pressure air storage tank, and the pressure is lower than 24kg
The medium pressure air compressor 211 and the electric ball valve 93 are opened, the pneumatic ball valve 22 is closed, the pressure reducing valve 41 is arranged in the pipeline to limit the overlarge pressure introduced into the pressure filtering cavity, and the pressure in the medium pressure air storage tank 212 reaches 25.5 kg-
The medium-pressure air compressor 211 can be closed and the air supply and the squeezing can be switched to the medium-pressure air storage tank 212.
During the pressing process, the filtrate is discharged by opening the pneumatic angle valves 105 and 108, the pneumatic ball valves 4, 5, 23, 24 and 26, closing the pneumatic ball valves 1, 2, 3, 14, 6, 7 and 25 and discharging the filtrate through the filtrate discharge ports 81 and 83.
After the squeezing is finished, the filtrate is drained, and compressed air recovery is started, wherein the compressed air recovery used in the squeezing comprises the steps of closing the pneumatic ball valves 4, 23, 7, 8, 9 and 19 and the throttle valve 94, opening the pneumatic ball valves 20, 21 and 25, and enabling compressed air to enter a low-pressure air storage tank 252. Wherein the pressure is approximately 8kg
。
The step of flushing the feed tube is to close the pneumatic ball valves 1 and 8, open the pneumatic ball valves 2 and 11, allow water in the water tank 261 to enter the tube, and activate the hydraulic pump 37 to flush the feed tube; the feeding pipe is a channel for the sludge to enter the filtering chamber, contains the sludge, and is washed by clean water for 2-5 minutes.
And starting to blow back the feeding pipe after the feeding pipe is flushed, wherein the steps of blowing back the feeding pipe comprise opening the pneumatic ball valves 2, 10, 20 and 8, closing the pneumatic ball valves 1, 9, 19, 7, 21 and 11, starting the air blow-back feeding pipe generated by the air compressor 251, further cleaning the feeding pipe, and controlling blow-back time to be 2-3 minutes.
The electromagnetic heating step is to connect the electromagnetic power supply 221 to the connecting terminal of the electromagnetic heating plate 104, and the heating time is within 20-40 minutes.
Simultaneously performing vacuum drying on the filter cake in the electromagnetic heating process, and closing the pneumatic ball valves 1, 2, 4, 5, 8, 11, 24 and 26 in the first step when the water content of the filter cake is 43-46%; the second step is that: opening the pneumatic angle valve 105 and 108, the pneumatic ball valves 3 and 14, the cooling tower 234 and the vacuum pump 233; controlling the working time of the vacuum pump 233 according to the moisture content of the gas measured by the humidity sensor 72, finally achieving the required water content of the residual sludge, simultaneously starting the pneumatic ball valves 15-18 and the hydraulic pumps 38, 39 to cool the vacuum pump 233, starting the pneumatic ball valves 12, 13, and discharging the liquid condensed from the waste gas to the filtrate outlet 82; the third step: the vacuum pump 233 is stopped first, and the process is carried out for 3 to 10 minutes; and at the same time, drying air and vacuumizing are performed, the pneumatic ball valves 9, 7 and 26 and the pneumatic angle valves 106 and 107 are opened, the pneumatic ball valves 20, 21, 8, 5, 4 and 24 and the pneumatic angle valves 105 and 108 are closed, the temperature is kept for 5 to 10 minutes, the electromagnetic power supply 221 is closed, the cooling tower is stopped after delaying for 3 to 12 minutes, and the pneumatic ball valve 14 is closed. Here, the connection of the pipeline may be changed such that the dry air is introduced from the upper and lower filtrate pipes of the electromagnetic core plate of the electromagnetic heating plate 103 and is exhausted by vacuum-pumping from the upper and lower filtrate pipes of the filter press plate of the tympanic membrane filter press plate 103.
The method for removing filter cakes and cleaning filter cloth comprises the steps of closing the pneumatic ball valves 4, 5, 7, 14 and 26, opening the pneumatic ball valves 3, 6 and 24, opening the pneumatic angle valve 105 and 108, and opening the blower 244 to blow air between the filter cloth and the diaphragm of the tympanic membrane filter press plate 103 and between the heating plate 440 and the filter cloth of the electromagnetic heating plate 104 through the filtrate pipe orifice.
Referring to fig. 5 to 10, in an example, a tympanic membrane filter press plate 103 is used in the integrated apparatus for dewatering and drying sludge by magnetic-thermal diaphragm airflow of the present invention.
In an example, the filter comprises a pressing core plate 300, a membrane 340, a feed inlet fastening ring 352, a filtrate discharge mechanism and filter cloth (not shown in the figure), wherein the feed inlet is positioned at the center of the pressing core plate 300, the membrane 340 and the feed inlet fastening ring 352, the two sides of the pressing core plate 300 are sequentially laminated with the membrane 340 and the feed inlet fastening ring 352 from near to far in a mirror symmetry manner, all elements are arranged oppositely, vertical central lines (shown as P-P in fig. 5) are overlapped, the center of the filter cloth is fixed on the membrane 340 by the feed inlet fastening ring 352 and covers two side surfaces of the tympanic membrane pressing plate 103, the edges of the filter cloth are fixed on a frame of the pressing core plate 300, clamping grooves are formed in the frame of the pressing core plate 300, and then the edges of the filter cloth are clamped into the clamping grooves by clamping strips to be fixed.
In the example, the filtrate discharging mechanism is formed by sequentially butting a plurality of diaphragm through-slit grooves 344 against a press core plate through-slit groove 304, a filtrate slit 303, a filtrate concealed pipe (see fig. 10, including a press plate upper filtrate concealed pipe 314 and a press plate lower filtrate concealed pipe 315) and a press plate filtrate pipe (including a press plate upper filtrate pipe 309 and a press plate lower filtrate pipe 310); the filter liquor is discharged from the filter cloth holes through the filter cloth holes sequentially from one surface of the diaphragm 340 far away from the pressing core plate 300, the diaphragm through seam groove 344, the pressing core plate through seam groove 304, the filter liquor seam 303, the pressing plate filter liquor concealed pipe and the pressing plate filter liquor pipe.
In the example, the diaphragm 340 is a groove structure with a higher periphery than the middle portion.
In the example, the press core through slot 304 and the filtrate slot 303 are also provided with a press core collection annular groove 313 surrounding the diaphragm 340 in communication therewith.
Two press plate filtrate pipes are arranged on the press core plate 300 and comprise a press plate upper filtrate pipe 309 and a press plate lower filtrate pipe 310; the filtrate pipe 309 on the pressing plate is communicated with the filtrate concealed pipe 314 on the pressing plate and the filtrate seam 303; the press plate lower filtrate pipe 310 is communicated with the press plate lower filtrate concealed pipe 315 and the filtrate seam 303.
The frame of the press core plate 300 is also provided with a plurality of press core plate filtrate holes 305, the left side of the press core plate filtrate holes is communicated with a press plate upper filtrate concealed pipe 314, and the right side of the press core plate filtrate holes is communicated with a press plate lower filtrate concealed pipe 315; the membrane 340 is provided with a plurality of membrane through-hole slots 345 that interface with corresponding press core filtrate holes 305.
The filtrate closed pipe 314 on the press board and the filtrate closed pipe 315 under the press board are independently arranged.
In the heating and drying process, one of the upper filter liquor pipe 309 and the lower filter liquor pipe 310 is connected with dry air, and the other is connected with a vacuum negative pressure device.
The press core plate 300 and the diaphragm 340 are symmetrically provided with four core plate pressing bosses 306 and diaphragm pressing bosses 346, respectively, at corresponding positions.
The contact surface of the diaphragm 340 and the press core plate 300 is provided with a diaphragm assembling strip 348 which is matched and hermetically connected with a diaphragm assembling groove 308 on the press core plate 300 correspondingly arranged; the core plate fastening ring groove 302 is arranged on the press core plate 300, the membrane fastening ring groove 342 and the feed inlet fastening ring 352 are arranged on the filter membrane 340, and the three are corresponding and overlapped to form a closed connection, wherein the press core plate feed inlet 301, the membrane feed inlet 341 and the fastening ring opening 351 are opposite to and overlapped to form a press filter plate feed inlet; a pressing cavity with sealed periphery is formed between the filter membrane 340 and the pressing core plate 300; the press core plate 300 is also provided with press ports 312 leading to both side faces thereof, and press inlets 109 provided on the frame of the press core plate 300 are connected to the press ports 312, the press ports 312 communicating with the press cavity.
An elastic feed ring 347 is also provided around the feed inlet clamp ring 352 of the diaphragm 340, and a core feed raised ring 307 is provided at a corresponding location on the press core 300 to fit snugly therewith.
The electromagnetic heating filter comprises an electromagnetic core plate 410, a heating plate 440, a heating plate frame 450, a feeder 423, a heating plate filtrate discharge mechanism and filter cloth, wherein a feed inlet is positioned in the center of each element, the heating plate 440, the heating plate frame 450 and the feeder 423 are sequentially stacked from near to far in a mirror symmetry mode by taking the electromagnetic heating core plate as the center, all the elements are arranged in an opposite mode, vertical center lines are overlapped, the edges of the elements are fixed through bolts by an electromagnetic core plate fixing hole 412 and a heating plate frame fixing hole 452, the center of the filter cloth is fixed on the heating plate 440 by the feeder 423 and covers two side faces of the electromagnetic heating plate, and the edges of the filter cloth are fixed on a frame of the electromagnetic core plate 410.
The heating plate filtrate discharge mechanism is formed by sequentially butting an electromagnetic core plate liquid through groove 413, an electromagnetic core plate water collecting groove, an electromagnetic core plate liquid guide hole 417, a filtrate immersed tube and a heating core plate filtrate tube through a plurality of heating plate liquid outlet holes 442; the filtrate is discharged from the filter cloth hole, and sequentially flows out from the heating plate liquid outlet hole 442, the electromagnetic core plate liquid through groove 413, the electromagnetic core plate liquid guide hole 417 and the filtrate settling pipe to the heating core plate filtrate pipe. The electromagnetic core plate liquid passing grooves 413 are separated by electromagnetic core plate liquid separating walls 414.
The inner side of the heating plate frame 450 is the heating plate frame inner side 451, and the surface of the heating plate 440 far away from the electromagnetic core plate 410 forms a heating plate filtering chamber.
A plurality of feeder grooves 424 are formed in one side, facing the heating plate filter chamber, of the feeder 423, a feeder port 426 in the center of the feeder 423 is sequentially in dead-against overlapping and surrounding sealing connection with a notch in the center of the filter cloth, a heating plate feed port 441 and an electromagnetic core plate feed port 411, and the other side of the electromagnetic core plate 410 is arranged in mirror symmetry.
The heating plate 440 is a flat plate, liquid outlet holes 442 are distributed on the heating plate, and a heating plate feed inlet 441 is arranged at the center of the heating plate 440.
A heating plate filtrate discharge mechanism, wherein the upper ends and the lower ends of a plurality of electromagnetic core plate liquid through grooves 413 are communicated with electromagnetic core plate liquid collecting grooves with electromagnetic core plate liquid guide holes 417, the upper ends are provided with electromagnetic core plate upper liquid collecting grooves 415, and the lower ends are provided with electromagnetic core plate lower liquid collecting grooves 416; the electromagnetic core plate liquid guide hole 417 in the upper liquid collecting tank of the electromagnetic core plate 410 is communicated with the filtrate upper immersed tube 418 and the filtrate pipe on the electromagnetic core plate 410, and the electromagnetic core plate liquid guide hole 417 in the lower liquid collecting tank 416 of the electromagnetic core plate is communicated with the filtrate lower immersed tube 425 and the filtrate pipe 420.
The filtrate upper-sinking pipe 418 and the filtrate lower-sinking pipe 425 are independently arranged, and the filtrate or gas flows between the two pipes and needs to pass through the electromagnetic core plate liquid guide hole 417, the electromagnetic core plate liquid through groove 413 and the electromagnetic core plate liquid collecting groove.
In the heating and drying process, one of the electromagnetic core plate upper filtrate pipe 419 and the electromagnetic core plate lower filtrate pipe 420 is connected with dry air, and the other is connected with a vacuum negative pressure device. Therefore, air can be blown and exhausted at the same time, so that the filtrate or steam can be rapidly discharged, and the filter cake can be rapidly dried.
An electromagnetic coil 421 is arranged in the central plane of the electromagnetic core plate 410, and an electromagnetic coil terminal 422 is arranged on the frame of the electromagnetic core plate 410. So as to be convenient for connecting an external electromagnetic power supply.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A tympanic membrane pressing filter plate for magnetic-thermal diaphragm airflow sludge dewatering and drying integrated equipment comprises a pressing core plate, a diaphragm, a feed inlet fastening ring, a filtrate discharge mechanism and filter cloth, wherein the feed inlet is positioned at the center of each element, the diaphragm and the feed inlet fastening ring are sequentially laminated from near to far in a mirror symmetry mode by taking the pressing core plate as the center, all the elements are arranged in an opposite mode, vertical center lines are overlapped, the center of the filter cloth is fixed on the diaphragm by the feed inlet fastening ring and covers two side surfaces of the tympanic membrane pressing filter plate, and the edge of the filter cloth is fixed on a frame of the pressing core plate; the filter liquor is discharged from the filter cloth holes through the filter cloth holes sequentially from one surface of the diaphragm far away from the pressing core plate, the diaphragm through seam groove, the pressing core plate through seam groove, the filter liquor seam, the pressing plate filter liquor concealed pipe and the pressing plate filter liquor pipe.
2. The tympanic membrane filter press plate for the integrated device for dewatering and drying sludge by magnetic thermal diaphragm airflow according to claim 2, wherein the diaphragm has a groove structure, and the periphery of the diaphragm is higher than the middle part of the diaphragm.
3. The tympanic membrane filter press plate for the integrated device for dewatering and drying sludge by magnetic thermal diaphragm airflow according to claim 3, wherein a pressing core plate collecting ring groove surrounding the diaphragm is further arranged above the slit groove of the pressing core plate and the filtrate slit and communicated with the slit groove.
4. The tympanic membrane filter press plate for the integrated equipment for dewatering and drying sludge by magnetic thermal diaphragm air flow according to claim 4, wherein the two press plate filtrate pipes arranged on the press core plate comprise an upper press plate filtrate pipe and a lower press plate filtrate pipe; the filtrate pipe on the squeezing plate is communicated with the filtrate concealed pipe and the filtrate seam on the squeezing plate; and the lower filter liquor pipe of the pressing plate is communicated with the lower filter liquor concealed pipe and the filter liquor seam of the pressing plate.
5. The tympanic membrane filter press plate for the integrated equipment for dewatering and drying sludge by the magnetic thermal diaphragm air flow according to claim 5, wherein a plurality of filter holes of the press core plate are further formed on the frame of the press core plate, the left side of the filter holes is communicated with a filter hidden pipe on the press core plate, and the right side of the filter holes is communicated with a filter hidden pipe under the press core plate; and a plurality of diaphragm through hole grooves corresponding to the filtrate holes are arranged on the diaphragm and are butted.
6. The tympanic membrane filter press plate for the integrated equipment for dewatering and drying sludge by magnetic thermal diaphragm air flow according to claim 4, wherein the filtrate concealed pipe on the press plate and the filtrate concealed pipe under the press plate are independently arranged.
7. The tympanic membrane filter press plate for the integrated device for dewatering and drying sludge with the magnetocaloric diaphragm air flow according to claim 6, wherein one of the filtrate pipes on the press plate and the filtrate pipe under the press plate is connected with dry air and the other is connected with a vacuum negative pressure device during the heating and drying process.
8. The tympanic membrane filter press plate for the integrated apparatus for dewatering and drying sludge by magnetic thermal diaphragm airflow according to claim 4, wherein four core plate extrusion bosses and four diaphragm extrusion bosses are symmetrically arranged on the press core plate and the diaphragm at corresponding positions respectively.
9. The tympanic membrane filter press plate for the integrated equipment for dewatering and drying sludge by magnetic thermal diaphragm airflow according to claim 1, wherein a diaphragm assembly strip is arranged on the contact surface of the diaphragm and the pressing core plate and is matched and hermetically connected with a diaphragm assembly groove on the pressing core plate correspondingly arranged on the diaphragm assembly strip; the filter membrane is provided with a diaphragm fastening ring groove and a feed inlet fastening ring which are corresponding to each other and overlapped to form a closed connection, wherein the feed inlet of the filter press plate, the diaphragm feed inlet and the fastening ring are opposite to each other and overlapped to form a feed inlet of the filter press plate; a pressing cavity with sealed periphery is formed between the filter membrane and the pressing core plate; the squeezing core plate is also provided with squeezing ports which are communicated with the two side surfaces of the squeezing core plate, and the squeezing ports are connected with squeezing inlets arranged on the frame of the squeezing core plate and communicated with the squeezing cavity.
10. The tympanic membrane filter press plate for the integrated equipment for dewatering and drying sludge by magnetic thermal diaphragm airflow according to claim 1, wherein an elastic feeding ring is further arranged around the fastening ring of the feeding port on the diaphragm, and a core plate feeding convex ring is arranged at a corresponding position on the pressing core plate to be in sealing fit with the pressing core plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110015581.6A CN113185080A (en) | 2020-12-31 | 2020-12-31 | Tympanic membrane filter pressing plate for magnetic-thermal diaphragm airflow sludge dewatering and drying integrated equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110015581.6A CN113185080A (en) | 2020-12-31 | 2020-12-31 | Tympanic membrane filter pressing plate for magnetic-thermal diaphragm airflow sludge dewatering and drying integrated equipment |
| CN202011640385.XA CN112794603A (en) | 2020-12-31 | 2020-12-31 | Magnetic-thermal diaphragm airflow sludge dewatering and drying integrated equipment |
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| CN202011640385.XA Division CN112794603A (en) | 2020-12-31 | 2020-12-31 | Magnetic-thermal diaphragm airflow sludge dewatering and drying integrated equipment |
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| CN202110015581.6A Pending CN113185080A (en) | 2020-12-31 | 2020-12-31 | Tympanic membrane filter pressing plate for magnetic-thermal diaphragm airflow sludge dewatering and drying integrated equipment |
| CN202110010646.8A Pending CN112851074A (en) | 2020-12-31 | 2020-12-31 | Production method of sludge dewatering and drying integrated equipment by utilizing magneto-thermal diaphragm airflow |
| CN202011640385.XA Pending CN112794603A (en) | 2020-12-31 | 2020-12-31 | Magnetic-thermal diaphragm airflow sludge dewatering and drying integrated equipment |
| CN202110015814.2A Pending CN113233733A (en) | 2020-12-31 | 2020-12-31 | Electromagnetic heating plate for magnetic-thermal diaphragm airflow sludge dewatering and drying integrated equipment |
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| CN202110010646.8A Pending CN112851074A (en) | 2020-12-31 | 2020-12-31 | Production method of sludge dewatering and drying integrated equipment by utilizing magneto-thermal diaphragm airflow |
| CN202011640385.XA Pending CN112794603A (en) | 2020-12-31 | 2020-12-31 | Magnetic-thermal diaphragm airflow sludge dewatering and drying integrated equipment |
| CN202110015814.2A Pending CN113233733A (en) | 2020-12-31 | 2020-12-31 | Electromagnetic heating plate for magnetic-thermal diaphragm airflow sludge dewatering and drying integrated equipment |
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| KR100308407B1 (en) * | 1999-05-20 | 2001-11-07 | - | Drainage sludge dehydration and dry system |
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- 2020-12-31 CN CN202110010646.8A patent/CN112851074A/en active Pending
- 2020-12-31 CN CN202011640385.XA patent/CN112794603A/en active Pending
- 2020-12-31 CN CN202110015814.2A patent/CN113233733A/en active Pending
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Also Published As
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| CN113233733A (en) | 2021-08-10 |
| CN112794603A (en) | 2021-05-14 |
| CN112851074A (en) | 2021-05-28 |
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