WO2015126011A1 - Appareil multi-tamis pour équipement de traitement d'impuretés sur lequel est monté un dispositif de lavage haute pression pour améliorer la fonction d'élimination d'impuretés fines - Google Patents

Appareil multi-tamis pour équipement de traitement d'impuretés sur lequel est monté un dispositif de lavage haute pression pour améliorer la fonction d'élimination d'impuretés fines Download PDF

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Publication number
WO2015126011A1
WO2015126011A1 PCT/KR2014/004433 KR2014004433W WO2015126011A1 WO 2015126011 A1 WO2015126011 A1 WO 2015126011A1 KR 2014004433 W KR2014004433 W KR 2014004433W WO 2015126011 A1 WO2015126011 A1 WO 2015126011A1
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WO
WIPO (PCT)
Prior art keywords
screen
washing
device housing
washing water
fine
Prior art date
Application number
PCT/KR2014/004433
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English (en)
Korean (ko)
Inventor
강동석
Original Assignee
강동석
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Filing date
Publication date
Application filed by 강동석 filed Critical 강동석
Publication of WO2015126011A1 publication Critical patent/WO2015126011A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50—Cleaning
    • B07B1/55—Cleaning with fluid jets

Definitions

  • the present invention relates to a multi-stage screen device which is installed in a complex integrated processor for separating various contaminants from filtrate and manure from filtrate and removes fine contaminants such as seeds and animal hairs, and which rotates inside the device housing of the screen device.
  • Washing means is installed to spray the washing water or compressed air to the surface of the cylindrical screen to perform the washing operation of the screen, but the washing water through the short length of the reciprocating movement in the longitudinal direction of the screen in connection with the expansion coil hose
  • a high pressure washer that alternately injects compressed air, thereby increasing the injection pressure of the washing water and compressed air, greatly improving the washing function of the cylindrical screen, and overflow due to severe clogging inside the screen by fine contaminants.
  • a pressure washer for fine impurities removal function so as to improve a conversation mounted impurities synthesis process relates to a multi-stage unit for screening machines.
  • the screen device for separating the fine components such as the seed component or animal hair from the cyclone with the filtrate is a device housing, the filtrate discharge duct is provided at the bottom, It comprises a cylindrical screen installed to rotate by the power of the drive motor therein, the outlet of the micro-clenches are formed on the front side of the device housing and the cylindrical screen, the screw screw is installed in the interior of the cylindrical screen
  • the input tube of the contaminant extending from the cyclone extends through the rear wall portion of the device housing and extends to the inside of the cylindrical screen.
  • the upper side of the cylindrical screen is a spray pipe for spraying the washing water toward the surface of the screen is installed as the washing means for the screen, the cylindrical screen is the first application and patent registration by the present applicant (Registration No .: 10-0928559)
  • the first screen for the primary removal of fine contaminants, and the second screen disposed outside of the first screen to perform the secondary removal of the fine contaminants in this case
  • the injection pipe is located on the upper side of the second screen.
  • the cylindrical screen is rotated to periodically spray the washing water to the surface of the screen in the process of separating the fine contaminants from the filtrate.
  • the pump motor of the wash water pump should be rotated at high speed, or the wash water pump itself should be replaced with an expensive high pressure pump.
  • the above countermeasures not only cause unnecessary waste of washing water, but also increase the processing load of the filtrate according to the input of a large amount of washing water, and the failure or malfunction of the washing device due to the overload of the washing water pump is caused.
  • the application of expensive high-pressure pump is not preferable because it increases the cost of equipment of the contaminant processing system including the screen device, which puts an economic burden on the buyer.
  • the present invention has been made to solve the above problems of the prior application, and alternately spraying the washing water and compressed air through a short length injector reciprocating along the longitudinal direction of the cylindrical screen in the state connected to the expansion coil hose
  • the spray pressure of washing water and compressed air is greatly increased to prevent extreme clogging of the screen due to fine contaminants and consequent overflow, and to clean the screen and remove fine contaminants.
  • the same injection pressure is used to reduce the amount of washing water and compressed air, reduce the processing load of the filtrate, and prevent the failure or malfunction of the washing device due to the overload of the washing water pump and air compressor. More economical and reasonable screen cleaning The ever possible to remove the fine impurities effectively work as a technical problem of the first.
  • the present invention forms an opening in the device housing portion corresponding to the upper side of the screen in the longitudinal direction of the screen, and by attaching and detachably attaching the washing machine casing in which the high-pressure cleaner is built in the opening in the form of a cover, Easy installation, maintenance, and replacement of the high pressure washer is possible, and the flexible coil hose is wound around the hose support arranged parallel to the screen, so that the flexible coil hose, which is a flexible material, does not sag downward.
  • the second technical problem is to stably expand and contract along the support, thereby preventing damage or short-circuit of the expansion coil hose in advance and to make the operation of the high-pressure cleaner safer and more accurate.
  • the present invention is a rotating type that rotates in the axial direction in contact with the first screen between each screen, while the two dewatering screen consisting of the first screen and the second screen is rotated at different speeds (
  • the roller brush By installing the roller brush, the high pressure washer and the roller brush can be used together to fundamentally block the phenomenon of the dehydration hole or the dewatering slit formed in each screen being blocked by fine contaminants, as well as the cleaning brush. It is possible to extend the replacement cycle of the roller brush to the maximum by preventing local wear and tear, thereby ensuring the continuous and stable operation of the multi-stage screen device while maximizing the removal of fine contaminants. It is a task.
  • the present invention as a means for solving the above technical problem, the first screen for the primary removal of the fine contaminants containing seeds or animal hair, and is disposed outside the first screen to perform the secondary removal of the fine contaminants
  • the second screen is inserted into the device housing in a concentric manner and installed on the inner circumferential surface of the first screen and the second screen, the fine screw conveying screw is installed, the front of the device housing and the first screen and the second screen A discharge port of fine contaminants is formed at the side, and a filtrate discharge duct is installed at the lower side of the device housing, and at the rear side of the device housing, a drive mechanism for rotating the first screen and the second screen and a device housing penetrate the inside of the first screen.
  • the washing means may include a plurality of transfer sprockets connected to the inner upper end of the device housing at regular intervals along the length direction of the second screen, a reciprocating transfer chain wound along the transfer sprocket, and a lower portion of the reciprocating transfer chain.
  • An injector is connected to the side chain and sprays the washing water or compressed air to the second screen side, and one end is connected to the injecting body, and the other end is connected to the injection line of the washing water or the compressed air through the wall of the device housing.
  • the high-pressure washing machine comprising a stretch coil hose and a washing motor installed on the outside or inside the upper surface of the device housing and rotating the transfer sprocket to drive the reciprocating transfer chain.
  • an opening is formed in the upper side of the device housing along the longitudinal direction of the second screen, the opening of the high-pressure cleaner washer detachably assembled in the form of a cover, the transfer sprocket for forming the high-pressure cleaner and
  • the reciprocating feed chain and the spraying body and the expansion coil hose are disposed inside the washer casing, and the washing motor is fixedly installed at the outside or inside of the washer casing, and the high pressure washer is a hose support on which the expansion coil hose is wound.
  • the hose support is characterized in that it is installed in a direction parallel to the second screen in the inner space of the device housing or the inner space of the washer casing corresponding to the upper side of the second screen, the expansion
  • the injection line connected to the coil hose is provided with a valve mechanism from the wash water pump.
  • the drive mechanism the drive motor is provided on the outside of the device housing, a pair of drive sprocket fixed to the output shaft of the drive motor, and connected to the rear side of the first screen and the second screen and the double pipe And a rear support shaft extending outwardly of the device housing, a driven sprocket fixed to each of the rear support shafts, and a pair of electric chains connecting the drive sprocket to the driven sprocket, each of which The driven sprockets are connected to the driving sprockets to have different reduction ratios, and the injection pipe is inserted into the first screen through the rear support shaft of the first screen and installed inside the second screen.
  • the rotating roller brush is installed in the axial direction in contact with the surface of the first screen when the first screen and the second screen is rotated
  • the roller brush comprises a rotating shaft connected to the front and rear walls of the second screen, and a cleaning brush radially installed at close intervals along the longitudinal direction of the rotating shaft to be in close contact with the surface of the first screen. It features.
  • the washer casing by embedding the high pressure washer in the washer casing, while providing a modularized washing structure that the washer casing is detachably assembled with the device housing of the screen device, easy installation and maintenance of the high pressure washer And replacement work, and the flexible coil hose, which is a flexible material, can be stably stretched along the hose support without sagging in the downward direction, thereby preventing damage or short-circuit of the expansion coil hose in advance. It provides the effect of safer and more accurate operation.
  • the dehydration hole or dewatering slit formed in each screen is fine It is possible to fundamentally block the phenomenon clogged by contaminants, and also to prevent the local wear of the cleaning brush, thereby extending the replacement cycle of the roller brush to the maximum, thereby making the continuous and stable operation of the multi-stage screen device possible. It provides very useful effects such as maximizing the removal of fine contaminants while ensuring operation.
  • FIG. 1 is a partial cutaway plan view of a multi-stage screen device according to the present invention.
  • Figure 2 is a side cross-sectional view of a multi-stage screen device according to the present invention.
  • Figure 3 is a side cross-sectional view of the injection body of the high pressure washer in FIG.
  • FIG. 4 is a back side cross-sectional view of FIG.
  • Figure 5 is a state of use of the high pressure cleaner mounted on the multi-stage screen device of the present invention.
  • Figure 6 is an external perspective view of the first screen applied to the multi-stage screen device of the present invention.
  • Figure 7 is an external perspective view of a second screen applied to the multi-stage screen device of the present invention.
  • Figure 8 is an external perspective view of the roller brush applied to the multi-stage screen device of the present invention.
  • the multi-stage screen device according to the present invention can be applied to various types of equipment used for the treatment of manure, livestock wastewater or sewage, as well as a pre-claimed contaminant comprehensive processor.
  • the multi-stage screen device of the present invention can be widely applied not only to the treatment of manure, animal husbandry wastewater or sewage, but also to various kinds of dehydration treatments for the separation of contaminants contained in various wastewaters or for the separation of solids from liquid.
  • dehydration treatments for the separation of contaminants contained in various wastewaters or for the separation of solids from liquid.
  • the external configuration of the multi-stage screen device 10 according to the present invention is inserted into the dewatering screen means for removal of fine contaminants, and the screen means is moved to the front, It includes a device housing 16 for rotationally supported by the rotation support portion 17 of the rear side (left and right on the drawing), and a drive mechanism provided on the outside of the device housing 16 to rotate the screen means.
  • the device housing 16 is formed of a substantially cylindrical housing, while the upper side thereof has an operating state of the exhaust pipe 19 and the screen means for discharging odor generated during the treatment of manure or livestock wastewater or sewage.
  • Check door (16a) is installed to grasp the, the funnel-shaped filtrate discharge duct (18) is installed in the lower side of the device housing 16 as the discharge passage of the filtrate in which fine contaminants are removed.
  • the screen means includes: a first screen 20 installed at an inner center of the device housing 16 to perform primary removal of fine contaminants;
  • the second screen 30 is installed outside the first screen 20 to perform secondary removal of fine contaminants.
  • Each of the screens 20 and 30 includes cylindrical dewatering screens 21 and 31 provided between the front walls 22 and 32 and the rear walls 29 and 39, and the dewatering screen. (21) and (31) are connected along the periphery of the transfer screw (23) (33) of the fine condensate provided along the inner circumferential surface and the opening (22a) (32a) formed in the front wall (22) (32) It will include the discharge caps (24, 34) of the fine contaminants as main components.
  • the front and rear walls 29 and 39 of the discharge caps 24 and 34 have bearings 28 ( The front support shafts 25 and 35 and the rear support shafts 26 and 36 which penetrate the rotary support portion 17 of the device housing 16 with the interposed portion 38 interposed therebetween are fixedly installed. 26 and 36, fixed sprockets 27 and 37 for the first screen 20 and the second screen 30 are fixedly installed.
  • the drive mechanism includes a pair of drive sprockets 12 fixed to the output shaft of the drive motor 11, driven driven sprockets 27 and 37 of the first screen 20 and the second screen 30. ) Is connected to the transmission chain 12a as a representative example, but if it is possible to rotate the respective screen 20, 30 installed in the interior of the device housing 16, belt and pulley or gear transmission method and It should be noted that other types of drive mechanisms may be installed.
  • the drive mechanism is installed on the drive unit mount 15 which is fixed integrally with the device housing 16 at the rear side (right side in the drawing) of the device housing 16, the drive unit mount 15
  • An injection pipe support 14 for supporting the pipe 13 is additionally provided, and the injection pipe 13 is for introducing a manure or a livestock wastewater filtrate or sewage into the first screen 20. .
  • the multi-stage screen device 10 of the present invention has a structure in which the first screen 20 is inserted into the second screen 30 and arranged concentrically, so that the front support shaft of the first screen 20 ( 25 and the discharge cap 24 and the rear support shaft 26 are likewise coaxially inserted into the front support shaft 35 and the discharge cap 34 and the rear support shaft 36 of the second screen 30. ( ⁇ ) Will form an arrangement structure.
  • the inlet pipe 13 passes through the inlet passage 26a formed along the center of the rear support shaft 26 of the first screen 20 to the inside of the dewatering screen 21 for the first screen 20.
  • the rotation operation of each screen 20, 30 is made so as not to be disturbed by the input pipe 13, the rear support shaft 26 of the first screen 20 is the second screen 30
  • the driven sprockets 27, 37 fixed to each of the rear support shafts 26, 36 are spaced at regular intervals.
  • each driven sprocket 27, 37 is formed with a different diameter Accordingly, the rotational speeds generated from the driving sprockets 12 are formed at different reduction ratios, and then transmitted to each screen 20 and 30.
  • roller brush 48 when the roller brush 48 is not applied between the first screen 20 and the second screen 30, the rear support shafts 26 (of the first screen 20 and the second screen 30) ( 36) to form one rotary support shaft, and then it is clear that one driven sprocket may be installed on the support shaft, in which case each screen 20, 30 rotates at the same speed as each other. Done.
  • the seed component, animal hair, or other fine contaminants are dehydrated and separated from the filtrate or sewage introduced through the input pipe 13.
  • the dehydration screen 21 of the first screen 20 the contaminants of rather large particles such as seed components are mainly separated, and the dewatering screen 31 of the second screen 30 is filtered out of the first screen 20. It allows the fine contaminants such as fine seeds or animal hairs to be separated.
  • the multi-stage screen device 10 of the present invention when used to remove seed components or animal hair contained in the manure and livestock wastewater filtrate, it may be applied to the dewatering screen 21 of the first screen 20.
  • the diameter of the dehydration hole is about 2mm ⁇ 2.5mm, the diameter of the dehydration hole that can be applied to the dehydration screen 31 of the second screen 30 can be said to be about 1mm.
  • the dewatering screen 21 of the first screen 20 forms a conventional dewatering hole 21a over the entire body surface of the cylindrical body.
  • the dehydration screen 31 of the two screens 30 forms a dehydration slit 31a in the form of a long hole over the entire surface of the cylindrical body.
  • a substantial component of the present invention is that the high pressure cleaner 40 is applied on the upper side of the device housing 16 of the multi-stage screen device 10, and the high pressure cleaner 40 is shown in FIGS. 1 and 2.
  • a plurality of transfer sprockets 43 are connected to and installed on the inner upper end of the device housing 16 at regular intervals along the length direction of the second screen 30, and the reciprocating transfer wound along the transfer sprockets 43.
  • the other end includes an expansion coil hose 46 which is connected to an injection line 47 of washing water or compressed air through the wall of the device housing 16.
  • a total of three transfer sprockets 43 are installed on the upper side of the second screen 30 as shown in FIG. 2, but one transfer sprocket is provided on each of the front and rear ends of the second screen 30. Under the condition that 43 is installed, the number of installation of the transfer sprockets 43 can be adjusted arbitrarily, and each transfer sprocket 43 is rotated on the chain bracket 43a fixed to the inner top of the device housing 16. It is possible to install.
  • the reciprocating transfer chain 44 is installed in a manner wound along the front end side transfer sprocket 43 and the rear end side transfer sprocket 43, and the central side transfer sprocket 43 of the reciprocating transfer chain 44 It prevents sag and performs a function to make a smooth cleaning work.
  • the injector 45 is installed in such a way as to hang on a chain located on the lower side of the reciprocating transfer chain 44 by a connecting bracket 45a, and the rear end side transfer sprocket 43 is a speed reducer.
  • the injector 45 is installed in such a way as to hang on a chain located on the lower side of the reciprocating transfer chain 44 by a connecting bracket 45a, and the rear end side transfer sprocket 43 is a speed reducer.
  • a drive sprocket 42 installed on the drive shaft of the washing motor 41 is connected to the driven sprocket 42a by the electric chain 42b, and the driven sprocket ( 42a) is installed to share the same rotational shaft of the same chain bracket 43a together with the rear end side feed sprocket 43, and the driving sprocket 42 and the electric chain 42b are protected by the driving part cover 41b. It is preferable.
  • the cleaning motor 41 may be installed inside the device housing 16, but it may be installed outside the upper end of the device housing 16 rather than an internal space of the device housing 16 containing a large amount of moisture and odor components.
  • the driving sprocket 42 and the driven sprocket 42a may be pulleys or gears, and the transmission chain 42b may be a belt, and the drive shaft of the washing motor 41 having the reduction gear 41a may be used. It is also possible to connect directly to the rotating shaft of the transfer sprocket 43.
  • the injection body 45 has a pipe-shaped body into which the washing water and the compressed air can be injected, and a plurality of injection nozzles (6 in the drawing) for spraying the washing water and the compressed air in the lower part of the body. It is also possible to form an injection hole in the bottom of the pipe body of the injector 45 instead of the injection nozzle, and the expansion coil hose 46 is provided at the front end of the injector 45 (left end in the drawing). ) Is provided with a connection port 45b which serves as an inlet for washing water and compressed air, and the rear end (right end in the drawing) of the injecting body 45 corresponding to the opposite side is blocked.
  • the flexible coil hose 46 is a flexible material, but it is preferable to use a high-pressure tube made of plastic or synthetic resin material that is capable of injecting high-pressure washing water and compressed air, and the coil having a predetermined length by spirally twisting the high-pressure tube ( As the coil is manufactured in the form of a coil, the stretch coil hose 46 is extended or originally from the initial position of the injector 45 shown in FIG. 2 to the maximum moving position of the injector 45 shown in FIG. Repeatedly shrinking as it is to supply the washing water and compressed air to the interior of the injection body (45).
  • one end of the expansion coil hose 46 is connected to the connection port 45b of the injector 45, while the other end of the expansion coil hose 46 penetrates the wall of the device housing 16. Then, the connector 47a is connected to the inlet line 47 of the washing water and the compressed air, and the connector 47a is connected to the wall of the device housing 16 so as to support the stretching operation of the expansion coil hose 46. It is firmly assembled and installed.
  • the expansion coil hose 46 is a passage for injecting high-pressure washing water and compressed air into the injection body 45, the connection port 45b and the connector 47a to which the expansion coil hose 46 is connected.
  • the connector 47a is a means for fixing the hose.
  • the opening is cut along the longitudinal direction of the second screen 30 in the upper surface of the device housing (16)
  • the high pressure washer 40 is modularized together with the washing machine casing 40a,
  • the washer casing 40a is preferably in the shape of a rectangular case with an open bottom.
  • the chain bracket 43a is installed on the inner upper surface of the washer casing 40a to transfer the sprocket 43 and the reciprocating transfer chain 44. It is arranged in the inner center of the washer casing (40a), while the movable injector (45) and expansion coil hose 46 is also connected based on the reciprocating transfer chain (44) installed inside the washer casing (40a). Is installed, the washing motor 41 is fixedly installed on the outside of the washing machine casing (40a) based on the bracket, it is also possible to install the washing motor (41) inside the washing machine casing (40a) if necessary. .
  • the modular high pressure washer 40 can be easily mounted on the upper surface of the device housing 16 of the screen device 10.
  • maintenance or replacement of the high pressure washer 40 can also be easily performed by separating only the washer casing 40a.
  • the hose support 46a is further applied as a means for preventing the flexible coil hose 46, which is a flexible material, from sagging downward.
  • the hose support 46a is in the form of a rod having a circular cross section, the second screen in the internal space of the device housing 16 corresponding to the upper side of the second screen 30 or in the internal space of the washer casing 40a. It is installed to be connected in a horizontal direction in parallel with the 30, the expansion coil hose 46 is to be wound along the tip side portion of the hose support (46a), but also for smooth stretching operation of the expansion coil hose 46 As in 4, it is preferable to provide a clearance between the inner peripheral surface of the flexible coil hose 46 and the hose support (46a).
  • FIG. 5 is a piping diagram showing a state in which the high-pressure cleaner 40 of the multi-stage screen device 10 according to the present invention is substantially used.
  • the washing water line extends from the washing water pump 50 to the valve mechanism V.
  • FIG. 52 and the compressed air line 53 extending from the air compressor 51 with the valve mechanism V are integrated into one injection line 47 and then connected to the expansion coil hose 46. have.
  • washing water pump 50, the air compressor 51 and the washing motor 41 of the high pressure cleaner 40 is connected to the control panel 54 by a cable
  • the valve mechanism V of the 53 is also connected to the control panel 54 by a cable, and includes the moving speed, the reciprocating cycle, and the number of reciprocations of the injector 45 necessary for the operation of the high pressure cleaner 40, It is made to automatically control the injection state and cross cycle of washing water and compressed air.
  • valve mechanism V of the washing water line 52 and the compressed air line 53 is preferably an automatic control solenoid valve or a solenoid valve, and the valve mechanism V installed in the injection line 47 is a manual valve. It is preferable to apply for emergency shut off, and the screen cleaning operation by the control panel 54 may be performed periodically by a timer, and the screen cleaning operation by the user operating the control panel 54 whenever necessary. It is also possible to do this.
  • the process of cleaning the screen using the high pressure washer 40 having the above configuration is performed in accordance with the operation of the cleaning motor 41, as shown in FIG. 5. Along with (44) is carried out in a manner of spraying the washing water and compressed air to the surface side of the second screen 30 while moving in the front and rear directions (left and right directions on the drawing), after the washing operation according to the spray of the washing water Compressed air is injected into the
  • the expansion coil hose from the washing water pump 50 and the air compressor 51 is used. 46) the pressures of the washing water and the compressed air introduced into the inlet of the spraying body 45 are dispersed only through a very small number of spray nozzles, so that the pressure of the washing water and the compressed air sprayed from the respective spray nozzles is injected. It is maintained at about the same level as the inlet pressure of (45).
  • the modular washing structure that can be detachably assembled with the washing machine casing (40a) on the upper surface of the device housing (16) of the screen device (10).
  • the flexible coil hose 46 which is a flexible material, is stably stretched along the hose support 46a without sagging downward. By doing so, it is possible to prevent damage or short-circuit of the expansion coil hose 46 in advance and to operate the high pressure cleaner 40 more safely and accurately.
  • the transfer sprocket 43 and the reciprocating transfer chain 44 are applied as a means for moving the injection body 45.
  • the transfer pulley and the reciprocating transfer belt may also be applied.
  • two dewatering screens composed of the first screen 20 and the second screen 30 are different from each other.
  • a rotating roller brush 48 which rotates in the axial direction in contact with the surface of the dewatering screen 21 of the first screen 20 between the respective screens 20 and 30 while being rotated at a speed. You can also install).
  • the roller brush 48 has a front wall 32 and a rear wall 39 of the second screen 30 with bearing joints 48a at both ends thereof.
  • Rotating shaft 49a which is installed in a direction parallel to the screen, and radially spaced apart at close intervals along the longitudinal direction of the rotating shaft 49a to closely contact the surface of the dewatering screen 21 of the first screen 20. It consists of a washing brush (49).
  • the roller brush 48 provided with the cleaning brush 49 along the rotating shaft 49a has a function of removing general contaminants to scrape the surface of the dewatering screen 21 of the first screen 20, and to clean the respective brushes.
  • the sole 49 can easily penetrate into the dehydration passage (dehydration hole or dewatering slit) of the dewatering screen 21 in the process of rotating together with the rotary shaft 49a, thereby being inserted into the dehydration passage of the dewatering screen 21. Contaminants can also be effectively eliminated.
  • dehydration is formed on the dehydration screens 21 and 31 of the first screen 20 and the second screen 30. Not only can the ball 21a or the dehydration slit 31a be blocked by the fine contaminant fundamentally, but also prevent the local abrasion of the cleaning brush 49, thereby replacing the roller brush 48. It can be extended to the maximum, thereby ensuring the continuous and stable operation of the multi-stage screen device 10 will be able to further maximize the removal function of fine contaminants.
  • the above descriptions relate to the two-stage screen device 10 by the first screen 20 and the second screen 30, but inside, outside or the second screen 30 of the first screen 20.
  • a cylindrical screen may be additionally installed on the outside to provide a three-stage screen device.
  • the roller brush 48 may be disposed between the outer screen and the center screen and between the center screen and the inner screen. Each will be installed.
  • the present invention can be used as a multi-stage screen device that can be installed in a complex comprehensive processing for separating various contaminants from the manure or livestock waste water and the filtrate to remove fine contaminants such as seeds and animal hair.

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  • Filtration Of Liquid (AREA)

Abstract

La présente invention concerne un appareil multi-tamis destiné à un équipement de traitement d'impuretés sur lequel est monté un dispositif de lavage haute pression pour améliorer la fonction d'élimination d'impuretés fines. Un moyen de lavage est installé pour effectuer une opération de lavage sur un tamis par pulvérisation d'eau de lavage et d'air comprimé sur la surface du tamis cylindrique tournant à l'intérieur d'un boîtier de dispositif de l'appareil à tamis, auquel cas un dispositif de lavage haute pression, pulvérisant alternativement de l'eau de lavage et de l'air comprimé par un corps de pulvérisation de courte longueur qui se déplace en va-et-vient dans la direction longitudinale du tamis tout en étant relié à un tuyau flexible spiralé, est appliqué. Par conséquent, la fonction de lavage du tamis cylindrique peut être sensiblement améliorée par augmentation de la pression de pulvérisation de l'eau de lavage et de l'air comprimé, et un débordement en cas de forte obstruction à l'intérieur du tamis due à des impuretés fines peut être évité, ce qui permet en outre de maximiser la fonction d'élimination des impuretés fines. Sur la base de la même pression de pulvérisation, la quantité d'eau de lavage et d'air comprimé à utiliser peut être réduite, la charge de traitement pour un filtrat peut être réduite, et une défaillance ou un dysfonctionnement du dispositif de lavage en raison de la surcharge d'une pompe à eau de lavage et d'un compresseur d'air peuvent être évités au préalable. En conséquence, l'opération de lavage de tamis peut être effectuée d'une manière plus économique et rationnelle et les impuretés fines peuvent être retirées d'une manière efficace.
PCT/KR2014/004433 2014-02-21 2014-05-17 Appareil multi-tamis pour équipement de traitement d'impuretés sur lequel est monté un dispositif de lavage haute pression pour améliorer la fonction d'élimination d'impuretés fines WO2015126011A1 (fr)

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KR1020140020609A KR20140122174A (ko) 2013-04-09 2014-02-21 미세협잡물 제거기능 향상을 위한 고압세척기가 장착된 협잡물 종합처리기용 다단 스크린장치
KR10-2014-0020609 2014-02-21

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