CN115671811A - Automatic water storage flushing anti-blocking dirt cleaning device for water film dust removal bin and water film dust removal mechanism - Google Patents
Automatic water storage flushing anti-blocking dirt cleaning device for water film dust removal bin and water film dust removal mechanism Download PDFInfo
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- CN115671811A CN115671811A CN202211443107.4A CN202211443107A CN115671811A CN 115671811 A CN115671811 A CN 115671811A CN 202211443107 A CN202211443107 A CN 202211443107A CN 115671811 A CN115671811 A CN 115671811A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 529
- 239000000428 dust Substances 0.000 title claims abstract description 132
- 238000004140 cleaning Methods 0.000 title claims abstract description 64
- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 18
- 238000003860 storage Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 19
- 239000010802 sludge Substances 0.000 claims abstract description 16
- 239000012065 filter cake Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000008234 soft water Substances 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 1
- 210000004907 gland Anatomy 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000010865 sewage Substances 0.000 description 17
- 238000001035 drying Methods 0.000 description 11
- 238000000746 purification Methods 0.000 description 11
- 239000008213 purified water Substances 0.000 description 11
- 239000000835 fiber Substances 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 230000008021 deposition Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to an automatic water storage and flushing anti-blocking and dirt removing device of a water film dust removing bin and a water film dust removing mechanism, and the key points of the innovative scheme are as follows: the self-cleaning device is additionally arranged and comprises a cylinder seat, a lifting cylinder, a valve closing adjusting rod, a lifting valve rod and a water outlet valve cover; the water film dedusting bin is connected with the water outlet in sequence, the lifting cylinder is arranged on the top of the water film dedusting bin and is communicated with the PLC program control system in parallel, other parts are positioned in the water film dedusting bin and are aligned with the water outlet, and the water outlet valve cover is normally covered on the water outlet; the lifting cylinder drives the water outlet valve cover to move up and down; the valve can be automatically closed to store water in the water film dedusting bin and cover the water film dedusting bin to prevent the water outlet from being blocked, dirt on the upper edge of the water outlet can be washed away by the lower end of the valve rod in the valve closing process, and the valve can be automatically opened at regular time to wash sludge at the bottom of the bin and dirt on the water outlet, so that the bottom of the bin and the water outlet are automatically cleaned. The water film dedusting mechanism, using the self-cleaning device, overcomes the technical prejudice that the automatic cleaning of the water outlet of the wet narrow water film dedusting bin is impossible, and improves the automation level and the production efficiency of the water film dedusting mechanism.
Description
Technical Field
The invention belongs to the technical field of closed filter cake dryers, and relates to a self-cleaning water film dust removal mechanism and a self-cleaning device of a water film dust removal bin thereof.
Background
The drier is a mechanical device which reduces the moisture of materials by using heat energy; the filter cake dryer is equipment for continuously drying and subsequently treating a filter cake formed by the operation of the filter press; the closed filter cake dryer is an environment-friendly normal-pressure continuous convection type filter cake dryer with a fully closed structure; the device mainly comprises a closed compartment, a filter cake crushing and slitting mechanism, a double-layer mesh belt material conveying mechanism, a high-low temperature drying system, a dry material spiral output mechanism, a water film dedusting mechanism and a PLC program control system; is suitable for drying the material with the water content of 55-83 percent into the material with the water content of 3-45 percent (the drying rate is freely adjustable).
The closed compartment body comprises a filter cake drying box and an airflow heat exchange compartment; the filter cake drying box is used for arranging a filter cake crushing and slitting mechanism, a double-layer mesh belt conveying mechanism and a dry material spiral output mechanism on the filter cake drying box, and preventing dust from diffusing and polluting the environment (dust is inevitably generated in the working process of the filter cake drying machine); the airflow heat exchange chamber is used for main equipment (a heat circulation mechanism and a dehumidification mechanism) and a water film dedusting mechanism (except a circulating water supply device) of a built-in high-low temperature drying system. The airflow circulation path is as follows: circulating air heater → filter cake drying chamber → air flow heat exchange chamber → water film dust removing mechanism → heat recovery device → circulating air cooler → evaporative type refrigerator → heat recovery device → condensing type heater → circulating air heater.
The water film dedusting mechanism comprises a water film dedusting device (a water spraying film forming device) and a circulating water supply device; the water film dust removal device is arranged at the upper part in the airflow heat exchange chamber, the circulating water supply device is arranged outside the airflow heat exchange chamber, and the water film dust removal device and the circulating water supply device are communicated through a pipeline; the water film dust removal device comprises a water film dust removal bin, a water outlet and a water spray pipe, water is sprayed in the closed heat exchange chamber to form a film, the water film is adsorbed on dust to enable the dust to settle, and therefore a large amount of dust is prevented from entering the airflow heat exchange chamber to block a dust filter and an air convection channel and influence the heat exchange effect; the circulating water supply device is a multi-stage water purification circulating water supply device and comprises a bracket with a base, a high-level purified water tank, a middle-level purified water tank, a low-level sewage discharge water tank, an electric water supply pump, a sewage discharge submersible pump, a water supply pipeline and a sewage discharge pipeline; the circulating water can bring dust sediment in the water spraying film forming device into the high-level purification water tank. The water circulation path is as follows: the high-position water purifying tank → the middle-position water purifying tank → the electric water supply pump → the water spray pipe → the water film dust removing bin and the water outlet thereof → the high-position water purifying tank → the middle-position water purifying tank; the sediment in the high-level purified water tank and the middle-level purified water tank enters the low-level sewage draining water tank through a sewage draining pipeline, and the submersible sewage draining pump periodically drains the sewage in the low-level sewage draining water tank.
The existing water film dust removal device has the following defects: because hot air flow in the filter cake drying box carries a large amount of dust and a small amount of short fibers in the filter cake, when the hot air flow passes through the water film dust removal device, the hot air flow is adsorbed by a water film along with the dust and the short fibers and is settled to the bottom of the water film dust removal bin to gradually form a layer of sludge, and the dust and the short fibers are accumulated into dirt at a water outlet for a long time; because the water quantity of the circulating water forming the water film is small and the flow speed is slow, the energy of the circulating water cannot flush dirt at the bottom of the bin and dirt at a water outlet out of the water film dedusting bin (namely self-cleaning cannot be realized); therefore, a water outlet of the water film dedusting bin is easy to be blocked and overflow, and the overflow of the water film dedusting bin causes the failure of an electric appliance in the airflow heat exchange compartment, so that potential safety hazards exist; because the water film dust removal bin has a moist environment and a narrow space, a technical bias that 'the water discharge port of the water film dust removal bin cannot be automatically cleared up' generally exists for a long time by technical personnel in the field; the water film dust removal bin water outlet is manually cleared, the machine needs to be stopped to influence continuous production, and particularly, the space of the closed airflow heat exchange chamber is limited, and manual clearing is very difficult.
Disclosure of Invention
The invention aims to overcome the defects of the built-in water film dust removal device of the existing closed filter cake dryer, and solves the problems that the water film dust removal device is lack of self-cleaning function, the water outlet of a water film dust removal bin is easy to block, and overflow causes electric appliance failure, and the manual blockage removal of the water outlet is very difficult; how to overcome the technical problem that the technical prejudice is that the automatic blockage removal of the water outlet is realized in the wet and narrow water film dedusting bin, and provides an automatic water storage, flushing, blockage prevention and pollution removal device of the water film dedusting bin and a water film dedusting mechanism; the water film dust removing mechanism refers to a self-cleaning water film dust removing mechanism with the automatic water storage flushing anti-blocking and dirt removing device of the water film dust removing bin, and is called for short because the number of characters of the patent name is limited.
The invention solves the problems of the prior art and adopts the brand new technical scheme that: the key point of the overall technical scheme is that compared with the prior art, the innovative overall structure has the prominent substantive characteristics that: the device is additionally provided with a water film dedusting bin self-cleaning device, namely a blockage cleaning device which can automatically close the valve of the water film dedusting bin, accumulate water (store water) and open the valve at regular time to wash sludge at the bottom of the bin and can wash dirt at a water outlet by utilizing a valve rod to loosen the dirt and accumulate water to wash the dirt, and the blockage cleaning device comprises a lifting cylinder, a cylinder seat, a valve closing adjusting rod, a lifting valve rod and a water outlet valve cover; the water outlet valve cover is arranged at the lower end of the lifting valve rod to form a lifting valve rod with a valve; the valve closing adjusting rod is connected with the lifting cylinder piston rod and the lifting valve rod with the valve, so that the automatic accumulated water blockage removing device is formed, and the structure is simple; the lifting cylinder of the automatic accumulated water blockage removing device is arranged on the top of the water film dedusting bin and is communicated with the PLC program control system in parallel, and the lifting valve rod with the valve is positioned on the water film dedusting bin and is aligned with the water outlet; under the control of the PLC program control system, a piston rod of the lifting cylinder extends out of a valve cover of a driving water outlet to automatically close the water outlet, simultaneously, the lower end of the lifting valve rod flushes dirt on the water outlet loose, and circulating water is gradually accumulated in the water film dedusting bin; when circulating water is accumulated in a 1/4 chamber in the water film dedusting chamber (an airflow channel of the water film dedusting chamber is ensured not to be submerged), a piston rod of the lifting cylinder is contracted to drive a water outlet valve cover to automatically open a water outlet, a large amount of accumulated water in the water film dedusting chamber intensively flows out of the water outlet, and due to the fact that the large amount of accumulated water has certain pressure intensity and potential energy, the flowing water automatically washes away (takes away) sludge at the bottom of the water film dedusting chamber, dirt of the water outlet is washed away at the same time, automatic blockage removal of the water outlet is achieved, and use is convenient; therefore, the problems that the water film dust removal device is lack of a self-cleaning function, a water outlet of the water film dust removal bin is easy to block, and the water overflow causes electric appliance faults, and the water outlet is very difficult to manually block; how to overcome the technical problem of realizing automatic blockage removal of a water outlet in a wet and narrow water film dust removal bin by the technical prejudice.
The specific design scheme of the invention is as follows: (1) The lifting cylinder is an SDA 32X 30 type ultrathin cylinder for driving a lifting valve rod, the stroke of a piston rod of the lifting cylinder is 30mm, and the lifting cylinder is connected with an air source pipeline and an electromagnetic valve thereof; (2) The cylinder seat is a square plate type cylinder seat, a piston rod hole is formed in the center of the cylinder seat, mounting holes are formed in four corners of the cylinder seat, and the length and width of the cylinder seat are larger than the width of a top hole of the water film dedusting bin; (3) The valve closing adjusting rod is used for adjusting the tightness of the valve cover of the water outlet during the assembly of the automatic accumulated water blockage removing device, and comprises an adjusting rod main body and a compression nut, wherein the adjusting rod is made of stainless steel materials; the upper end of the adjusting rod main body is provided with an internal thread cylinder matched with a piston rod of the air cylinder, the middle of the adjusting rod main body is provided with a wrench square section matched with a wrench, and the lower end of the adjusting rod main body is provided with an external thread section matched with a screw hole of the valve rod; the compression nut is arranged at the lower end of the adjusting rod main body to form a valve closing adjusting rod; (4) The upper end of the lifting valve rod is provided with a valve rod screw hole matched with the external thread section of the valve closing adjusting rod, the lower end of the lifting valve rod is provided with external threads, the length of the lifting valve rod corresponds to the height of the water film dedusting bin, and the lifting valve rod is made of stainless steel materials; (5) The water outlet valve cover is a round soft water outlet valve cover, the center of the water outlet valve cover is provided with a valve rod hole, the diameter of the valve rod hole is larger than that of the water outlet, and the water outlet valve cover is made of polyurethane materials.
The connection relation of the main parts of the invention is as follows: for convenience of explanation, a water film dedusting bin closely related to the invention is additionally arranged; (1) Assembly of the invention: the lifting cylinder is vertically arranged on the cylinder seat, the valve closing adjusting rod is arranged at the lower end of a cylinder piston rod, the lifting valve rod is arranged at the lower end of the valve closing adjusting rod, and the water outlet valve cover is arranged at the lower end of the lifting valve rod to form a water film dedusting bin self-cleaning device; (2) final assembly of the invention: a lifting valve rod with a valve of the water film dust removing bin self-cleaning device extends into the water film dust removing bin and is aligned with the water outlet, a cylinder seat is arranged on a top hole of the water film dust removing bin, a lifting cylinder is positioned on the top of the water film dust removing bin and is connected with an air source pipeline and an electromagnetic valve thereof, and the electromagnetic valve is communicated with a PLC program control system; (3) debugging of the invention: under the extending state of the piston rod of the lifting cylinder, adjusting a valve closing adjusting rod to enable a water outlet valve cover to close the water outlet, and screwing a compression nut; the lifting cylinder extends or contracts to drive the valve cover of the water outlet to close or open the water outlet; (4) dynamic relationships of the invention: under the control of the PLC program control system, the piston rod of the lifting cylinder extends out of the water outlet valve cover to drive the water outlet valve cover to automatically close the water outlet so as to store water (the water outlet is normally closed), and when circulating water is fully accumulated in the water film dedusting bin for 1/4 (an airflow channel which does not submerge the water film dedusting bin is ensured), the piston rod of the lifting cylinder contracts to drive the water outlet valve cover to automatically open the water outlet so as to discharge water and clean the sewage.
Dust deposition and self-cleaning process: (1) deposition and blockage prevention of dust: when the water outlet is closed to store water, (1.1) deposition of dust: circulating water is gradually accumulated in the water film dedusting bin, hot air flows through the water film dedusting device, dust and short fibers carried by the hot air flow are adsorbed by a water film and subside to the bottom of the water film dedusting bin and the water outlet valve cover to gradually form a layer of sludge; (1.2) drain outlet blocking prevention: because the valve cover of the water outlet is covered on the water outlet (the water outlet is mainly blocked, and the vertical section of the water outlet is not easy to block due to the gravity action), the blockage caused by the accumulation of dirt on the water outlet by dust and short fibers is effectively prevented; meanwhile, in the valve closing process, the lower end of the lifting valve rod can loosen dirt (possibly formed dirt in the water discharging process) on the upper edge of the water discharging opening so as to facilitate washing; (2) self-cleaning the bin bottom and the water outlet: when the water outlet is opened to discharge water, (2.1) the valve cover is cleaned: dirt deposited on the water outlet valve cover is cleaned in the cover opening movement process; (2.2) washing the bin bottom and a water outlet: a large amount of accumulated water in the water film dedusting bin flows out of the water outlet in a centralized manner, and due to the fact that the large amount of accumulated water has certain pressure and potential energy, the flowing water automatically washes away (takes away) sludge at the bottom of the water film dedusting bin and simultaneously washes away dirt of the water outlet; the drain outlet is covered to prevent blockage, and the drain outlet is automatically cleared by utilizing two modes of flushing loose dirt and flushing dirt by accumulated water of the valve rod.
The invention also provides a water film dust removing mechanism, namely a self-cleaning water film dust removing mechanism of the closed filter cake dryer, and the water film dust removing bin automatic water storage flushing anti-blocking dirt cleaning device provided by the invention is used; the water film dedusting mechanism consists of a water film dedusting device (a water spraying film forming device), a water film dedusting bin self-cleaning device and a circulating water supply device; the dust-removing device has the functions of spraying water to form a film, adsorbing dust, preventing the dust from entering a heat exchange chamber and automatically cleaning a dust removing bin.
The invention provides an automatic water storage, flushing, anti-blocking and dirt cleaning device of a water film dust removal bin and a water film dust removal mechanism, which have the prominent substantive characteristics and remarkable progresses that: by additionally arranging the water film dust removal bin self-cleaning device, a valve can be automatically closed to store water in the water film dust removal bin and cover the water film dust removal bin to prevent the water outlet from being blocked, dirt on the upper edge of the water outlet can be washed away by the lower end of the valve rod in the valve closing process, and sludge at the bottom of the bin and dirt on the water outlet can be automatically opened at regular time to wash the bottom of the bin and the dirt on the water outlet, so that the self-cleaning of the bin bottom and the water outlet is realized, and the development trend of a self-cleaning water film dust removal mechanism of a closed filter cake dryer is represented; the automatic water film dust removal device overcomes the technical bias that the automatic blockage removal of the water outlet of the wet and narrow water film dust removal bin is impossible, improves the automation level and the production efficiency of the water film dust removal mechanism, eliminates the potential safety hazard of the water overflow of the water film dust removal bin blocked by the water outlet, reduces the fault rate of related heat exchange equipment, ensures the continuous and safe production of the closed filter cake dryer, and has obvious technical effect.
Drawings
FIG. 1 is a schematic view of a water film dust removing bin self-cleaning device according to the present invention.
FIG. 2 is a schematic view of a valve closing adjusting rod of the water film dust removing bin self-cleaning device of the present invention.
FIG. 3 is a schematic view of a lifting valve rod of the self-cleaning device for a water film dust removing bin of the present invention.
FIG. 4 is a side view of the assembly of the water film dust removing bin self-cleaning device and the corresponding water film dust removing device.
FIG. 5 is a front view of the assembly of the water film dust removing bin self-cleaning device and the corresponding water film dust removing device of the present invention.
FIG. 6 is a schematic view of the assembly of the water film dust removing mechanism and the corresponding closed filter cake dryer of the present invention.
Reference numerals: 1-lifting cylinder, 2-cylinder seat, 3-closing valve adjusting rod, 4-lifting valve rod, 5-water outlet valve cover, 6-internal thread cylinder, 7-wrench square section, 8-external thread section, 9-compression nut, 10-valve rod screw hole, 11-water film dedusting bin self-cleaning device (the invention), 12-water film dedusting bin, 13-water outlet, 14-water film dedusting device, 15-heat exchange compartment, 16-PLC program control system (comprising PLC program control cabinet) and 17-multistage circulating water supply device.
14-water film dust removing device, including 12-water film dust removing bin and 13-water outlet and water spraying pipe.
The lifting valve rod with valve includes 4-lifting valve rod and 5-water outlet valve cover.
Detailed Description
The technical solution in the embodiment of the present invention is described below with reference to the accompanying drawings in the embodiment of the water film dust removal bin automatic water storage flushing anti-blocking dirt removing device and the water film dust removal mechanism of the present invention, and the described embodiment is only a part of preferred embodiments of the present invention, but not all embodiments. Based on the embodiment of the present invention, all other embodiments without inventive creativity, such as an automatic accumulated water block-removing device with the same automatic water storage and cleaning manner and similar structure, which are made by those skilled in the art, belong to the protection scope of the present invention.
Example 1
The main points of the innovative overall implementation scheme of the automatic water storage flushing anti-blocking cleaning device 11 (short for: water film dust removal bin self-cleaning device) of the water film dust removal bin are as follows: the water film dedusting bin self-cleaning device 11 is additionally arranged, namely the water film dedusting bin self-closing accumulated water (water storage) is automatically closed and opened at regular time to wash the sludge at the bottom of the bin, and the water outlet is cleaned in two modes of utilizing a valve rod to wash loose dirt and accumulated water to wash dirt, and comprises a lifting cylinder 1, a cylinder seat 2, a valve closing adjusting rod 3, a lifting valve rod 4 and a water outlet valve cover 5; the water outlet valve cover 5 is arranged at the lower end of the lifting valve rod 4 to form a lifting valve rod with a valve; the valve closing adjusting rod 3 is connected with a piston rod of the lifting cylinder 1 and a lifting valve rod with a valve to form a water film dust removing bin self-cleaning device 11, and the structure is simple; a lifting cylinder 1 of a water film dedusting bin self-cleaning device 11 is arranged on the top of a water film dedusting bin 12 and is communicated with a PLC program control system 16 in parallel, and a lifting valve rod with a valve is positioned on the water film dedusting bin 12 and is aligned with a water outlet 13; under the control of a PLC (programmable logic controller) system 16, a piston rod of the lifting cylinder 1 extends out to drive a water outlet valve cover 5 to automatically close a water outlet 13, meanwhile, the lower end of the lifting valve rod 4 washes dirt on the water outlet 13 loose, and circulating water is gradually accumulated in the water film dedusting bin 12; when circulating water is accumulated in 1/4 of the water film dedusting bin 12 (an airflow channel of the water film dedusting bin 12 is ensured not to be submerged), a piston rod of the lifting cylinder 1 contracts to drive the water outlet valve cover 5 to automatically open the water outlet 13, a large amount of accumulated water in the water film dedusting bin 12 flows out of the water outlet 13 in a concentrated manner, and due to the fact that the large amount of accumulated water has certain pressure and potential energy, flowing water automatically washes away (takes away) sludge at the bin bottom of the water film dedusting bin 12, dirt of the water outlet 13 is washed away, automatic blockage removal of the water outlet is achieved, and the water outlet is convenient to use; the technical problems that the water film dedusting device 14 is lack of a self-cleaning function, the water discharge port 13 of the water film dedusting bin 12 is easy to block, the water overflow is easy to cause electric appliance faults, the manual blockage removal of the water discharge port 13 is very difficult, and the technical bias is overcome to realize the automatic blockage removal of the water discharge port 13 in the wet and narrow water film dedusting bin 12 are solved; specific embodiments are described in detail below.
The lifting cylinder 1 is an SDA 32X 30 type ultrathin cylinder for driving a lifting valve rod, the stroke of the piston rod is 30mm, and the lifting cylinder 1 is connected with an air source pipeline and an electromagnetic valve thereof; the lifting cylinder 1 is vertically arranged on the cylinder seat 2 and used for driving the lifting valve rod 4 to move up and down.
The cylinder seat 2 is a square plate type cylinder seat 2, the center of the cylinder seat is provided with a piston rod hole, four corners of the cylinder seat are provided with mounting holes, and the length and width of the cylinder seat are larger than the width of a top hole of the water film dust removal bin 12; the cylinder block 2 is arranged on the top hole of the water film dust removal bin 12 and is used for vertically installing the lifting cylinder 1 and the lifting valve rod with the valve in a suspension type.
The valve closing adjusting rod 3 is an adjusting rod for adjusting the tightness of the water outlet valve cover 5 during the assembly of the automatic accumulated water blockage removing device 11, and comprises an adjusting rod main body and a compression nut 9 which are made of stainless steel materials; the upper end of the adjusting rod main body is provided with an internal thread cylinder 6 matched with a piston rod of the air cylinder, the middle of the adjusting rod main body is provided with a wrench square section 7 matched with a wrench (tool), and the lower end of the adjusting rod main body is provided with an external thread section 8 matched with a screw hole 10 of the valve rod; the compression nut 9 is arranged at the lower end of the adjusting rod main body to form a valve closing adjusting rod 3; the valve closing adjusting rod 3 is arranged at the lower end of a piston rod of the cylinder and used for adjusting the tightness of the water outlet 13 closed by the water outlet valve cover 5.
The upper end of the lifting valve rod 4 is provided with a valve rod screw hole 10 matched with the external thread section 8 of the valve closing adjusting rod 3, the lower end of the lifting valve rod 4 is provided with external threads, the length of the lifting valve rod corresponds to the height of the water film dedusting bin 12, and the lifting valve rod is made of stainless steel materials; the lifting valve rod 4 is arranged at the lower end of the valve closing adjusting rod 3 and is used for transmitting the power of the lifting cylinder 1 and driving the water outlet valve cover 5 to move up and down, and the lower end of the lifting valve rod 4 loosens dirt on the upper edge of the water outlet 13 (dirt possibly formed in the water discharging process) in the valve closing process so as to facilitate washing.
The water outlet valve cover 5 is a round soft water outlet valve cover 5, the center of the water outlet valve cover 5 is provided with a valve rod hole, the diameter of the valve rod hole is larger than that of the water outlet 13, and polyurethane materials are adopted; the water outlet valve cover 5 is arranged at the lower end of the lifting valve rod 4, normally covers the water outlet 13, is used for opening and closing the valve cover of the water outlet 13, and is covered to prevent dust and short fibers from accumulating on the water outlet 13 to form dirt and causing blockage.
The final assembly of the invention: a lifting valve rod with a valve of a water film dedusting bin self-cleaning device 11 extends into a water film dedusting bin 12 and is aligned with a water outlet 13, a cylinder seat 2 is installed on a top hole of the water film dedusting bin 12, a lifting cylinder 1 is positioned on the top of the water film dedusting bin 12 and is connected with an air source pipeline and an electromagnetic valve thereof, and the electromagnetic valve is communicated with a PLC program control system 16.
Debugging of the invention: under the extending state of a piston rod of the lifting cylinder 1, adjusting the valve closing adjusting rod 3 to enable the water outlet valve cover 5 to close the water outlet, and screwing the compression nut 9; the extension or contraction of the piston rod of the lifting cylinder 1 can drive the water outlet valve cover 5 to close or open the water outlet 13.
The main working process of the invention is as follows: under the control of the PLC program control system 16, the piston rod of the lifting cylinder 1 extends out to drive the water outlet valve cover 5 to automatically close the water outlet 13 so as to store water (the water outlet 13 is normally closed), and when circulating water is accumulated in the water film dedusting bin 13 for 1/4 of the bin (an airflow channel of the water film dedusting bin 12 is not submerged), the piston rod of the lifting cylinder 1 contracts to drive the water outlet valve cover 5 to automatically open the water outlet 13 so as to discharge water and clean dirt.
12 dust deposition process and self-cleaning principle of the water film dedusting bin: (1) deposition and blockage prevention of dust: when the drain port 13 is closed to store water, (1.1) deposition of dust: circulating water is gradually accumulated in the water film dust removing bin 12, hot air flows pass through the water film dust removing device 14, dust and short fibers carried by the hot air flow are adsorbed by a water film and are settled on the bin bottom of the water film dust removing bin 12 and the water outlet valve cover 5, and a layer of sludge is gradually accumulated; (1.2) drain port 13 is anti-clogging: because the water outlet valve cover 5 covers the water outlet 13 (the water outlet 13 is mainly blocked, and the vertical section of the water outlet is not easy to block due to the gravity action), the water outlet 13 is effectively prevented from being blocked due to the accumulation of dust and short fibers on the water outlet 13; meanwhile, in the valve closing process, the lower end of the lifting valve rod 4 washes away dirt on the upper edge of the water outlet 13 (dirt possibly formed in the water discharging process) so as to facilitate washing; (2) self-cleaning of the bin bottom and the water outlet 13: when the water outlet 13 is opened to discharge water, (2.1) the valve cover is cleaned: the dirt on the water outlet valve cover 5 is cleaned in the cover opening process; (2.2) washing the bin bottom and a water outlet 13: a large amount of accumulated water in the water film dedusting bin 12 intensively flows back to the multistage circulating water supply device 17 from the water discharge port 13, and because the large amount of accumulated water has certain pressure intensity and potential energy, the flowing water automatically washes away (takes away) the sludge at the bin bottom of the water film dedusting bin 12 and simultaneously washes away dirt at the water discharge port 13; the drain opening 13 is covered to prevent blockage, and the automatic blockage clearing of the drain opening 13 is realized by utilizing two modes of dirt flushing by using the lifting valve rod 4 and dirt flushing by using accumulated water.
The automatic water storage, flushing, anti-blocking and dirt cleaning device 11 for the water film dust removal bin, provided by the invention, has the prominent substantive characteristics and remarkable progress that: by additionally arranging the water film dedusting bin self-cleaning device 11, a valve can be automatically closed to enable the water film dedusting bin 12 to store water and cover the water outlet 13 to prevent blockage, dirt on the upper edge of the water outlet 13 is washed loose at the lower end of the lifting valve rod 4 in the valve closing process, and the valve can be automatically opened at regular time to wash sludge at the bin bottom and the dirt on the water outlet 13, so that the self-cleaning of the bin bottom and the water outlet 13 is realized, and the development trend of a self-cleaning water film dedusting mechanism of a closed filter cake dryer is represented; the technical bias that the water outlet 13 of the wet and narrow water film dedusting bin 12 cannot be automatically cleared is overcome, the automation level and the production efficiency of the water film dedusting mechanism are improved, the potential safety hazard caused by the overflow of the water outlet 13 blocking the water film dedusting bin 12 is eliminated, the fault rate of related heat exchange equipment is reduced, and the technical effect is remarkable.
Example 2
A water film dust removing mechanism, namely the self-cleaning water film dust removing mechanism of the enclosed filter cake dryer, uses the automatic water storage flushing anti-blocking cleaning device 11 (short for water film dust removing cabin self-cleaning device) of the water film dust removing cabin provided by the invention; the water film dedusting mechanism consists of a water film dedusting device 14 (a water spraying film forming device), a water film dedusting bin self-cleaning device 11 and a circulating water supply device 17; has the functions of spraying water to form a film, adsorbing dust, preventing the dust from entering the heat exchange chamber 15 and automatically cleaning the dust removal bin. The invention is manufactured according to the relevant standard of the drier in the mechanical industry in China, which is a common technical part with the prior art.
The water film dust removal device 14 comprises a water spray pipe and a water spray nozzle thereof, a water film dust removal bin 12 and a condensate water recovery tank, is integrally arranged at the upper part in the heat exchange compartment 15, and can spray water to form a film and adsorb dust so as to prevent the dust from blocking a dust filter and an air convection channel and influencing the heat exchange effect; the condensed water recovery tank can recover the sprayed water, so that the recovered water with dust flows back to the high-level purification water tank.
The water film dedusting bin self-cleaning device 11 comprises a lifting cylinder 1, a cylinder seat 2, a valve closing adjusting rod 3, a lifting valve rod 4 and a water outlet valve cover 5 which are sequentially connected into a whole, wherein the cylinder seat 2 and the lifting cylinder 1 are arranged on the top of a water film dedusting bin 12 and are communicated with a PLC (programmable logic controller) system 16 in parallel, other parts are positioned in the water film dedusting bin 12 and are aligned with a water outlet 13, and the water outlet valve cover 5 is normally covered on the water outlet 13; the lifting cylinder 1 drives the lifting valve rod 4 and the water outlet valve cover 5 to move up and down; the valve can be automatically closed to enable the water film dedusting bin 12 to store water and cover the water outlet 13 to prevent the water outlet 13 from being blocked, dirt on the upper edge of the water outlet 13 is washed loose at the lower end of the valve rod in the valve closing process, sludge at the bin bottom and the dirt on the water outlet 13 can be washed by automatically opening the valve at regular time, and the bin bottom and the water outlet 13 are self-cleaned.
The circulating water supply device 17 is a multi-stage water purification circulating water supply device 17 and comprises a bracket with a base, a high-level purification water tank, a middle-level purification water tank, a low-level sewage discharge water tank, an electric water supply pump, a sewage discharge submersible pump, a water supply pipeline and a sewage discharge pipeline; the integral device is arranged outside the heat exchange chamber 15 and is communicated with the water film dust removal device 14 through a circulating water supply pipeline; is used for circularly supplying water for the water film dust removal device 14 and precipitating, purifying and overflowing return water with dust into clean water reaching the standard for recycling.
The working process of the water film dedusting mechanism is as follows: (1) circulating water supply: the high-level purified water tank and the middle-level purified water tank are filled with clean water for the first time, and the electric water supply pump continuously pumps the clean water to the water film dust removal device 14; (2) spraying a film and absorbing dust: the water film dust removal device 14 sprays water to form a film and adsorb dust; the condensate water recycling tank can recycle sprayed water, and the recycled water with dust is temporarily stored in the water film dedusting bin 12 and flows back to the high-level purification water tank at regular time; (3) self-cleaning of the dust removal bin: the self-cleaning device 11 of the water film dust removing bin automatically closes the valve to enable the water film dust removing bin 12 to store water and cover the water outlet 13 to prevent the water outlet 13 from being blocked, the lower end of the lifting valve rod 4 is opened to wash away dirt on the upper edge of the water outlet 13 in the valve closing process, and the valve is automatically opened at regular time to wash sludge at the bin bottom and the dirt on the water outlet 13, so that the self-cleaning of the bin bottom and the water outlet 13 is realized; (4) multi-stage water purification: the return water with dust is precipitated, purified and overflows to a middle purification water tank through three compartments of the high purification water tank, and then is precipitated and purified by the middle purification water tank to form standard-reaching circulating clean water so as to prevent a water spray nozzle of the water film dust removal device from being blocked; (5) diving pollution discharge: the sediment in the high-level purified water tank and the middle-level purified water tank enters the low-level sewage draining water tank through a sewage draining pipeline, the sewage in the low-level sewage draining water tank is drained by a submersible sewage draining pump at regular intervals, and manual slag removal is avoided at the bottom of the water tank; (6) the water circulation path is: the middle purified water tank → the electric water supply pump → the spray pipe → the water film dust removing cabin 12 (temporary storage and timed discharge) → the high purified water tank → the middle purified water tank.
The water film dedusting mechanism provided by the invention has the beneficial effects that the automatic water storage flushing anti-blocking and dirt removing device 11 of the water film dedusting bin has the following advantages: by additionally arranging the water film dedusting bin self-cleaning device 11, a valve can be automatically closed to enable the water film dedusting bin 12 to store water and cover the water outlet 13 to prevent blockage, dirt on the upper edge of the water outlet 13 is washed loose at the lower end of a valve rod in the valve closing process, and a valve can be automatically opened at regular time to wash sludge at the bin bottom and dirt on the water outlet 13, so that the bin bottom and the water outlet 13 are self-cleaned, and the development trend of a self-cleaning water film dedusting mechanism of a closed filter cake dryer is represented; the technical bias that the water outlet 13 of the wet and narrow water film dedusting bin 12 cannot be automatically cleared is overcome, the performance, the automation level and the production efficiency of a water film dedusting mechanism are improved, the potential safety hazards of blockage of the water outlet 13 and overflow of the water film dedusting bin 12 are eliminated, the fault rate of related heat exchange equipment is reduced, continuous safe production of a closed filter cake dryer is guaranteed, and the product is improved, upgraded and developed to increase efficiency.
Claims (3)
1. An automatic water storage, washing, anti-blocking and dirt cleaning device of a water film dust removal bin comprises a lifting cylinder, a cylinder seat, a valve closing adjusting rod, a lifting valve rod and a water outlet valve cover; the method is characterized in that: the lifting cylinder is an SDA 32X 30 type ultrathin cylinder for driving a lifting valve rod, the stroke of a piston rod of the lifting cylinder is 30mm, and the lifting cylinder is connected with an air source pipeline and an electromagnetic valve thereof; the cylinder seat is a square plate type cylinder seat, the center of the cylinder seat is provided with a piston rod hole, four corners of the cylinder seat are provided with mounting holes, and the length and width of the cylinder seat are larger than the width of a top hole of the water film dust removal bin; the valve closing adjusting rod is used for adjusting the tightness of the valve cover of the water outlet during the assembly of the automatic accumulated water blockage removing device, and comprises an adjusting rod main body and a compression nut, wherein the adjusting rod is made of stainless steel materials; the upper end of the lifting valve rod is provided with a valve rod screw hole matched with the external thread section of the valve closing adjusting rod, the lower end of the lifting valve rod is provided with external threads, the length of the lifting valve rod corresponds to the height of the water film dedusting bin, and the lifting valve rod is made of stainless steel materials; the water outlet valve cover is a round soft water outlet valve cover, the center of the water outlet valve cover is provided with a valve rod hole, the diameter of the valve rod hole is larger than that of the water outlet, and the water outlet valve cover is made of polyurethane material; the interconnection relationship is: the lifting cylinder is vertically arranged on the cylinder seat, the valve closing adjusting rod is arranged at the lower end of a cylinder piston rod, the lifting valve rod is arranged at the lower end of the valve closing adjusting rod, and the water outlet valve cover is arranged at the lower end of the lifting valve rod to form the automatic accumulated water and dust dual blockage removing device; the lifting valve rod with the valve of the automatic accumulated water and dust cleaning double blockage removal device extends into the water film dedusting bin and is aligned with the water outlet, the cylinder seat is arranged on the top hole of the water film dedusting bin, the lifting cylinder is positioned at the top of the water film dedusting bin and is connected with the air source pipeline and the electromagnetic valve thereof, and the electromagnetic valve is communicated with the PLC program control system; the valve can be automatically closed to store water in the water film dedusting bin and cover the water film dedusting bin to prevent the water outlet from being blocked, dirt on the upper edge of the water outlet is washed loose at the lower end of the valve rod in the valve closing process, and the valve can be automatically opened at regular time to wash sludge at the bottom of the bin and dirt on the water outlet, so that the bottom of the water film dedusting bin and the water outlet are automatically cleaned.
2. The automatic water storage, flushing, anti-blocking and dirt removing device for the water film dust removing bin according to claim 1, which is characterized in that: the valve closing adjusting rod is provided with an adjusting rod main body, the upper end of the adjusting rod main body is provided with an internal thread cylinder matched with a piston rod of the air cylinder, the middle of the adjusting rod main body is provided with a wrench square section matched with a wrench, and the lower end of the adjusting rod main body is provided with an external thread section matched with a screw hole of the valve rod; the gland nut is arranged at the lower end of the adjusting rod main body to form a valve closing adjusting rod.
3. A water film dust removing mechanism, namely a self-cleaning water film dust removing mechanism of a closed filter cake dryer, comprises a water film dust removing mechanism, a water film dust removing device, a water film dust removing bin self-cleaning device and a circulating water supply device; the method is characterized in that: the water film dust removal bin self-cleaning device is the water film dust removal bin automatic water storage flushing anti-blocking cleaning device in claim 1; the water film dedusting mechanism has the functions of spraying water to form a film, adsorbing dust, preventing the dust from entering a heat exchange chamber and automatically cleaning a dedusting bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211443107.4A CN115671811A (en) | 2022-11-18 | 2022-11-18 | Automatic water storage flushing anti-blocking dirt cleaning device for water film dust removal bin and water film dust removal mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211443107.4A CN115671811A (en) | 2022-11-18 | 2022-11-18 | Automatic water storage flushing anti-blocking dirt cleaning device for water film dust removal bin and water film dust removal mechanism |
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| CN115671811A true CN115671811A (en) | 2023-02-03 |
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| CN202211443107.4A Pending CN115671811A (en) | 2022-11-18 | 2022-11-18 | Automatic water storage flushing anti-blocking dirt cleaning device for water film dust removal bin and water film dust removal mechanism |
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| CN219072165U (en) * | 2022-11-18 | 2023-05-26 | 景津装备股份有限公司 | Automatic water accumulation and dust flushing dual blocking clearing device for water film dust removal bin of closed dryer |
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- 2022-11-18 CN CN202211443107.4A patent/CN115671811A/en active Pending
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| DE202012006401U1 (en) * | 2012-07-04 | 2012-10-08 | Biogest Ag | Duct flusher for cleaning a drainage channel for rain or mixed water in a flushing shaft |
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