CN112452037A - Belt filter press for sludge dewatering with backwash function - Google Patents
Belt filter press for sludge dewatering with backwash function Download PDFInfo
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- CN112452037A CN112452037A CN202011271253.4A CN202011271253A CN112452037A CN 112452037 A CN112452037 A CN 112452037A CN 202011271253 A CN202011271253 A CN 202011271253A CN 112452037 A CN112452037 A CN 112452037A
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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
- B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
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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
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/461—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element brushes
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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
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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
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
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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
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the field of belt type filter presses for sludge dewatering, in particular to a belt type filter press for sludge dewatering with a backwashing function, which comprises a main body, a throwing-off mechanism, a feeding mechanism, a circulating mechanism, a flushing mechanism and a separating mechanism, wherein the throwing-off mechanism is arranged on the main body; through get rid of the inside that takes off the separating mechanism of being convenient for get rid of the mud through centrifugal force is automatic to take off the separating mechanism through the setting of getting rid of taking off the mechanism, be convenient for at the uniform velocity with the inside of mud mixture injection main part through the setting of feed mechanism, be convenient for pick through separating mechanism's setting and get rid of the inside mud that gets rid of the internal conveyor part of taking off the mechanism, thereby be convenient for its next use, make it be in sustainable running state, be convenient for wash getting rid of the internal conveyor part of taking off the mechanism through the setting of circulation mechanism, and can be filtered the cleaning solution that is doped with impurity, the recycling effect of main part has been improved, be convenient for continuously wash for getting rid of the internal conveyor part of taking off the mechanism through the setting.
Description
Technical Field
The invention relates to the field of belt type filter presses for sludge dewatering, in particular to a belt type filter press for sludge dewatering with a backwashing function.
Background
A mechanical device for dialyzing liquid by applying a certain pressure to a subject by using a special filter medium in a filter press is a common solid-liquid separation device. The method is applied to chemical production at the beginning of the 18 th century, and is still widely applied to the industries of chemical industry, pharmacy, metallurgy, dye, food, brewing, ceramics, environmental protection and the like until now.
With the increasing development of industrialization, the yield of various industrial waste water and domestic waste water is increased sharply, which is not only increasingly difficult in treatment, but also causes secondary damage to the environment if sludge contained in the waste water is not properly treated, i.e. randomly dumped, and in order to solve the above problems, dewatering filtration is the most important means for sludge reduction in a sludge treatment system, however, most of the conventional sludge dewatering machines are subjected to a plurality of sludge dewatering procedures, and the internal treatment steps are complicated, so that the method is time-consuming and requires a large amount of manpower and material resources, thereby reducing the practicability and the use economy of the filter press.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a belt filter press for sludge dewatering with a backwashing function.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a belt filter press for sludge dewatering with backwash function, includes the main part, gets rid of off mechanism, feed mechanism, circulation mechanism, washes mechanism and separating mechanism for to mud carry out dehydration work get rid of off the line mechanism and locate the inside of main part for the ration is at the uniform velocity pour into mud into feed mechanism locates the inside of main part, be used for cyclic utilization washing liquid and can filter the mixture automatically and be in the inside impurity of washing liquid circulation mechanism locates the inside bottom of main part is used for right get rid of the inside circulation conveyor parts of off line mechanism and carry out the cleanness wash the mechanism and locate the inside of main part, be used for the separation get rid of off the inside earth of off line mechanism separating mechanism locates the inside of main part one side.
Specifically, the load shedding mechanism comprises a first motor, a protective cover, a first belt pulley, a first connecting belt, a first rotating shaft, a rotating drum, a first filter belt and a second filter belt, the first motor is installed at the top end of the main body, the first rotating shaft is rotated inside the main body, one end of the first rotating shaft extends to the outer side of the main body, one first belt pulley is fixed at one end of the first rotating shaft and the end of the first motor respectively, the first connecting belt is wound between the two first belt pulleys, the protective cover is wrapped on the outer side of the first belt pulley, the rotating drum is fixed at one end of the first rotating shaft located inside the main body, two sets of drums are rotated inside the main body, each set of drums is provided with a plurality of drums, and the first filter belt is wound between one set of drums and the rotating drum, and the second filter belt is wound between the other group of rollers and the rotary drum, and the first filter belt and the second filter belt are wound in an overlapped mode in partial areas.
Specifically, feed mechanism includes feed inlet, ration piece, ration dish, ration groove, second belt pulley, second connecting band and second pivot, the top of main part is equipped with the feed inlet, the bottom of feed inlet is equipped with the ration piece, the ration piece is fixed in the inside and the inside rotation of main part have the ration dish, the inside of ration dish is equipped with a plurality of ration grooves, just the middle part of ration dish is fixed with the second pivot, one of them the tip of cylinder and the one end of second pivot is fixed with one respectively the second belt pulley, two the winding has between the second belt pulley the second connecting band.
Specifically, separating mechanism includes mud discharging port, mud scraper and spring, the one end of main part is equipped with the mud discharging port, the inside of mud discharging port is equipped with the mud scraper, the mud scraper slide in the inside and the bottom mounting of main part have the spring, the bottom mounting of spring in on the inner wall of main part, the tip is three horn shapes the mud scraper contradict in on the lateral wall of first filter belt.
Specifically, the circulating mechanism comprises a liquid storage tank, a suction pipe, a circulating hole, gears, a third rotating shaft, a flushing tank, a differential motor, a fourth rotating shaft, filter discs and a slag discharge pipe, the liquid storage tank is arranged at the bottom end inside the main body, the circulating hole is formed in the main body, the suction pipe is communicated with one end of the circulating hole, the bottom end of the suction pipe is arranged in the liquid storage tank, the two gears rotate inside the circulating hole, the third rotating shaft is fixed at the middle part of one of the gears, the filter discs rotate inside the circulating hole, the fourth rotating shaft is fixed at the middle part of each filter disc, the differential motor is fixed at one end of each fourth rotating shaft, the differential motor is installed inside the side wall of the main body, the bottom side of each filter disc is provided with the flushing tank, and the slag discharge pipe is fixed on the outer side of the main body, the flushing groove is communicated with the slag discharge pipe.
Specifically, the flushing mechanism comprises a second motor, a third belt pulley, a fourth belt pulley, a third connecting belt, a fifth belt pulley, a fourth connecting belt, a rolling brush, a circulating pipe and a fifth connecting belt, the inside of the main body is provided with the second motor, one end of the second motor and one end of a third rotating shaft are respectively fixed with one of the fourth belt pulley, two of the fifth connecting belt are wound between the fourth belt pulleys, one of the rolling brush is arranged on one side of the second filter belt, the rolling brush rotates in the inside of the main body and the end part of the main body and is respectively fixed with one of the fifth belt pulley, two of the fourth connecting belt are wound between the fifth belt pulleys, one of the end part of the fifth belt pulley and the end part of the second motor are respectively fixed with one of the third belt pulley, and two of the third connecting belt is wound between the third belt pulleys, the circulating pipe is fixed on the outer side of the main body, the bottom end of the circulating pipe is communicated with the circulating hole, and the top end of the circulating pipe extends to the inside of the main body.
The invention has the beneficial effects that:
(1) the belt filter press for sludge dewatering with backwashing function is characterized in that the throwing-off mechanism is arranged in the main body, sludge is automatically thrown and taken into the separating mechanism through centrifugal force through the arrangement of the throwing-off mechanism, the feeding mechanism is arranged in the main body, and a sludge mixture is injected into the main body at a constant speed through the arrangement of the feeding mechanism, thereby avoiding the sludge from impacting a conveying component in the throwing-off mechanism disorderly, so that the separating efficiency is improved, namely, when the throwing-off mechanism needs to work, the first motor is started firstly, the first motor drives a rotary drum in the main body to rotate through the first connecting belt and the other first rotary shaft, the rotary drum causes the first filter belt and the second filter belt in the main body to rotate synchronously, and further, the sludge is automatically thrown and taken into the separating mechanism through centrifugal force, because when need to pour into the sludge mixture into promptly, at first with external pipeline butt joint to the feed inlet, the second filtering belt also drives a plurality of cylinders and rotates in the pivoted, then one of them cylinder passes through the second connecting band and drives the rotation of second pivot, then the second pivot is at the uniform velocity causes the inside ration dish of ration piece to revolve, the ration groove constantly makes the sludge mixture fall to the top of second filtering belt according to quantitative volume, and then be convenient for at the uniform velocity with the inside of sludge mixture injection main part, avoided mud unordered impact to get rid of the conveying component of off-line mechanism inside, thereby separation efficiency has been improved.
(2) The belt filter press for sludge dewatering with backwashing function, provided by the invention, has the advantages that the separating mechanism is arranged in one side of the main body, sludge on the conveying component in the throwing and separating mechanism can be conveniently removed through the arrangement of the separating mechanism, so that the belt filter press can be conveniently used next time, the circulating mechanism is arranged at the bottom end in the main body, the conveying component in the throwing and separating mechanism can be conveniently cleaned through the arrangement of the circulating mechanism, the cleaning solution doped with impurities can be filtered, the recycling effect of the main body is improved, namely, as the second filter belt rotates, large sludge attached to the second filter belt is thrown out into the sludge discharge port under the centrifugal action force, certain stubborn stains are attached to the side wall of the second filter belt, and the sludge on the second filter belt can be scraped by the sludge scraping plate under the collision of the spring, so as to be convenient for removing the sludge on the conveying component inside the throwing-off mechanism, thereby being convenient for the next use of the throwing-off mechanism, and leading the throwing-off mechanism to be in a sustainable operation state, namely, when the first filter belt is required to be washed by the cleaning liquid stored inside the liquid storage tank, the power component and the differential motor inside the washing mechanism are started, two gears are meshed with each other to rotate, thereby generating negative pressure inside the circulating hole, the cleaning liquid is sucked through the suction pipe, the cleaning liquid is filtered by the rotating filter disc while passing through, when the differential motor rotates the filter disc to the angle opposite to the previous angle, the water flow inside the washing tank impacts impurities on the filter disc, so that the impurities are discharged outside the main body through the slag discharge pipe, thereby being convenient for continuously playing a filtering role for the cleaning liquid, further being convenient for cleaning the conveying component inside the throwing-off mechanism, and being capable of filtering the cleaning liquid doped with the impurities, the recycling effect of the main body is improved.
(3) The belt filter press for sludge dewatering with backwashing function of the invention is characterized in that the flushing mechanism is arranged inside the main body, the arrangement of the flushing mechanism is further convenient for continuously cleaning the conveying components in the throwing-off mechanism, thereby being convenient for recycling, namely, the second motor in operation drives one of the rolling brushes to rotate through the third belt pulley, the rolling brush also drives the other rolling brush to rotate through the fourth belt pulley, because the first filter belt and the second filter belt have the overlapped parts, the first filter belt can reduce the dirt on the second filter belt during the rotation, thereby the rolling brush continuously cleans the first filter belt at the moment, and the cleaning liquid pumped by the circulating pipe pump is combined to ensure that the first filter belt is more thoroughly cleaned, and then be convenient for continuously wash for getting rid of the conveying part of off the internal portion of line mechanism to be convenient for its recycle.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of the overall structure of a preferred embodiment of a belt filter press for sludge dewatering with backwashing function according to the present invention;
FIG. 2 is a schematic view of the connection structure of the dislodging mechanism, the circulating mechanism, the flushing mechanism and the separating mechanism shown in FIG. 1;
FIG. 3 is a schematic structural view of the trip mechanism shown in FIG. 1;
FIG. 4 is an enlarged view of portion A of FIG. 2;
FIG. 5 is an enlarged view of the portion B shown in FIG. 2;
fig. 6 is an enlarged schematic view of the portion C shown in fig. 2.
In the figure: 1. a main body, 2, a throwing-off mechanism, 21, a first motor, 22, a protective cover, 23, a first belt pulley, 24, a first connecting belt, 25, a first rotating shaft, 26, a rotating drum, 27, a roller, 28, a first filter belt, 29, a second filter belt, 3, a feeding mechanism, 31, a feeding hole, 32, a quantitative block, 33, a quantitative disc, 34, a quantitative groove, 35, a second belt pulley, 36, a second connecting belt, 37, a second rotating shaft, 4, a circulating mechanism, 41, a liquid storage tank, 42, a suction pipe, 43, a circulating hole, 44, a gear, 45, a third rotating shaft, 46, a flushing tank, 47, a differential motor, 48, a fourth rotating shaft, 49, a filter disc, 49a, a slag discharge pipe, 5, a flushing mechanism, 51, a second motor, 52, a third belt pulley, 53, a fourth belt pulley, 54, a third connecting belt, 55, a fifth belt pulley, 56, a fourth connecting belt, 57, a rolling brush, 58, a circulating pipe brush, 59. a fifth connecting belt 6, a separating mechanism 61, a mud discharging port 62, a mud scraper 63 and a spring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in figures 1-6, the belt filter press for sludge dewatering with backwashing function of the invention comprises a main body 1, a throwing-off mechanism 2, a feeding mechanism 3, a circulating mechanism 4, a flushing mechanism 5 and a separating mechanism 6, the throwing-off mechanism 2 for dewatering the sludge is arranged inside the main body 1, the feeding mechanism 3 for quantitatively and uniformly injecting the sludge is arranged inside the main body 1, the circulating mechanism 4 for recycling the cleaning liquid and automatically filtering out impurities mixed in the cleaning liquid is arranged at the bottom end in the main body 1, the flushing mechanism 5 for cleaning the circulating conveying component inside the throwing-off mechanism 2 is arranged inside the main body 1, the separating mechanism 6 for separating soil in the throwing-off mechanism 2 is arranged in one side of the main body 1.
Specifically, the spin-off mechanism 2 includes a first motor 21, a protective cover 22, a first belt pulley 23, a first connecting belt 24, a first rotating shaft 25, a rotating drum 26, a rotating drum 27, a first filtering belt 28 and a second filtering belt 29, the first motor 21 is installed at the top end of the main body 1, the first rotating shaft 25 rotates inside the main body 1, one end of the first rotating shaft 25 extends to the outside of the main body 1, one first belt pulley 23 is fixed to one end of the first rotating shaft 25 and the end of the first motor 21, the first connecting belt 24 is wound between the two first belt pulleys 23, the protective cover 22 is wrapped on the outside of the first belt pulley 23, the rotating drum 26 is fixed to one end of the first rotating shaft 25 located inside the main body 1, two sets of the rotating drums 27 rotate inside the main body 1, and a plurality of the rotating drums 27 are provided for each set, wherein the first filter belt 28 is wound between one set of the rollers 27 and the rotating drum 26, the second filter belt 29 is wound between the other set of the rollers 27 and the rotating drum 26, the first filter belt 28 and the second filter belt 29 are wound in an overlapped manner in a partial area, since when the throwing and separating mechanism 2 needs to work, the first motor 21 is firstly started, the first motor 21 drives the rotating drum 26 inside the main body 1 to rotate through the first connecting belt 24 and the other first rotating shaft 25, the first rotating shaft 25 drives the rotating drum 26 inside the main body 1, and the rotating drum 26 causes the first filter belt 28 and the second filter belt 29 inside the main body 1 to rotate synchronously, thereby facilitating automatic throwing of sludge into the inside of the separating mechanism 6 through centrifugal force.
Specifically, the feeding mechanism 3 includes a feeding hole 31, a quantitative block 32, a quantitative disc 33, a quantitative groove 34, a second belt pulley 35, a second connecting belt 36 and a second rotating shaft 37, the top end of the main body 1 is provided with the feeding hole 31, the bottom end of the feeding hole 31 is provided with the quantitative block 32, the quantitative block 32 is fixed in the main body 1 and the quantitative disc 33 rotates inside, the quantitative disc 33 is provided with a plurality of quantitative grooves 34 inside, the quantitative disc 33 is fixed in the middle part of the second rotating shaft 37, one of the quantitative blocks is fixed in the end of the roller 27 and one end of the second rotating shaft 37 is respectively fixed with one of the second belt pulley 35 and the second connecting belt 36, because when a sludge mixture needs to be injected, an external pipeline is firstly butted to the feeding hole 31, the second filter belt 29 drives the plurality of rollers 27 to rotate at the same time, then one of the rollers 27 drives the second rotating shaft 37 to rotate through the second connecting belt 36, so that the second rotating shaft 37 causes the quantifying disc 33 inside the quantifying block 32 to rotate at a constant speed, the quantifying groove 34 continuously drops the sludge mixture to the top end of the second filtering belt 29 according to a quantitative volume, and then the sludge mixture is injected into the main body 1 at a constant speed, thereby avoiding the sludge from impacting the conveying component inside the throwing-off mechanism 2 in a disordered manner, and further improving the separation efficiency.
Specifically, the separating mechanism 6 includes a sludge discharge port 61, a scraper 62 and a spring 63, the sludge discharge port 61 is disposed at one end of the main body 1, the scraper 62 is disposed inside the sludge discharge port 61, the scraper 62 slides inside the main body 1, the spring 63 is fixed at the bottom end of the scraper 62, the bottom end of the spring 63 is fixed on the inner wall of the main body 1, the scraper 62 with a triangular end portion abuts against the side wall of the first filter belt 28, when the second filter belt 29 rotates, large sludge attached to the second filter belt 29 is thrown out of the inside of the sludge discharge port 61 under the centrifugal force, however, some stubborn stains still attach to the side wall of the second filter belt 29, at this time, the scraper 62 rubs the sludge on the second filter belt 29 under the abutment of the spring 63, so as to further facilitate the removal of the sludge on the conveying component inside the shedding mechanism 2, thereby facilitating the next use thereof and enabling the continuous operation thereof.
Specifically, the circulation mechanism 4 includes a liquid storage tank 41, a suction pipe 42, a circulation hole 43, gears 44, a third rotation shaft 45, a flushing tank 46, a differential motor 47, a fourth rotation shaft 48, two filter discs 49 and a slag discharge pipe 49a, the liquid storage tank 41 is arranged at the bottom end inside the main body 1, the circulation hole 43 is arranged inside the main body 1, one end of the circulation hole 43 is communicated with the suction pipe 42, the bottom end of the suction pipe 42 is arranged inside the liquid storage tank 41, two gears 44 are rotated inside the circulation hole 43, the third rotation shaft 45 is fixed at the middle part of one of the gears 44, the filter disc 49 is rotated inside the circulation hole 43, the fourth rotation shaft 48 is fixed at the middle part of the filter disc 49, the differential motor 47 is fixed at one end of the fourth rotation shaft 48, the differential motor 47 is installed inside the side wall of the main body 1, the washing tank 46 is provided on the bottom side of the filter disc 49, the residue discharge pipe 49a is fixed on the outer side of the main body 1, the washing tank 46 is communicated with the residue discharge pipe 49a, when the washing action of the first filter belt 28 by the washing liquid stored in the reservoir tank 41 is required, the power part inside the washing mechanism 5 and the differential motor 47 are started, the two gears 44 are meshed with each other and rotate, so that negative pressure is generated inside the circulation hole 43, the washing liquid is sucked through the suction pipe 42, the washing liquid is filtered by the rotating filter disc 49 while passing, when the differential motor 47 rotates the filter disc 49 to an angle opposite to the previous angle, the water flow inside the washing tank 46 impacts impurities on the filter disc 49, so that the impurities are discharged out of the main body 1 through the residue discharge pipe 49a, and then be convenient for continuously play the filtering action for the cleaning solution, and then be convenient for right get rid of the inside conveying part of off-line mechanism 2 and wash, and can carry out the filtering action by the cleaning solution that is doped with impurity, improved the recycling effect of main part 1.
Specifically, the flushing mechanism 5 includes a second motor 51, a third belt pulley 52, a fourth belt pulley 53, a third connecting belt 54, a fifth belt pulley 55, a fourth connecting belt 56, a rolling brush 57, a circulating pipe 58, and a fifth connecting belt 59, the inside of the main body 1 is provided with the second motor 51, one end of the second motor 51 and one end of the third rotating shaft 45 are respectively fixed with one of the fourth belt pulley 53, two of the fourth belt pulley 53 are wound with the fifth connecting belt 59, one of the two sides of the second filtering belt 29 is respectively provided with one of the rolling brush 57, the rolling brush 57 rotates in the inside of the main body 1 and the end of the main body is respectively fixed with one of the fifth belt pulley 55, two of the fifth belt pulley 55 are wound with the fourth connecting belt 56, one of the end of the fifth belt pulley 55 and the end of the second motor 51 is respectively fixed with one of the third belt pulley 52, the third connecting belt 54 is wound between the two third belt pulleys 52, the circulating pipe 58 is fixed on the outer side of the main body 1, the bottom end of the circulating pipe 58 is communicated with the circulating hole 43, and the top end of the circulating pipe extends to the inside of the main body 1, since the second motor 51 in operation drives one of the rolling brushes 57 to rotate through the third belt pulley 52, the rolling brush 57 also drives the other rolling brush 57 to rotate through the fourth belt pulley 53, since the first filter belt 28 and the second filter belt 29 have mutually overlapped parts, the first filter belt 28 can reduce the dirt on the second filter belt 29 in rotation, so that the first filter belt 28 is stained with the dirt, at this time, the rolling brush 57 continuously cleans the first filter belt 28, and the cleaning liquid pumped by the circulating pipe 58 is combined, so that the first filter belt 28 is cleaned more thoroughly, and the conveying parts in the throwing-off mechanism 2 can be continuously cleaned, so that the circulating use is facilitated.
When the centrifugal-releasing mechanism 2 is used, as the first motor 21 is started firstly when the centrifugal-releasing mechanism 2 needs to work, the first motor 21 drives the rotary drum 26 in the main body 1 to rotate through the first connecting belt 24 and the second connecting belt 25, and the rotary drum 26 enables the first filter belt 28 and the second filter belt 29 in the main body 1 to synchronously rotate, the sludge is automatically thrown and released into the separating mechanism 6 through centrifugal force; when sludge mixture needs to be injected, an external pipeline is firstly butted to the feed inlet 31, the second filter belt 29 drives the plurality of rollers 27 to rotate while rotating, one roller 27 drives the second rotating shaft 37 to rotate through the second connecting belt 36, the second rotating shaft 37 causes the quantifying disc 33 in the quantifying block 32 to rotate at a constant speed, and the quantifying groove 34 continuously enables the sludge mixture to fall to the top end of the second filter belt 29 according to a quantitative volume, so that the sludge mixture is conveniently injected into the main body 1 at a constant speed, a conveying part in the sludge disordered impact throwing-separating mechanism 2 is avoided, and the separation efficiency is improved; when the second filter belt 29 rotates, large sludge attached to the second filter belt 29 is thrown out into the sludge discharge port 61 under centrifugal action force, however, some stubborn stains are still attached to the side wall of the second filter belt 29, and at this time, the sludge on the second filter belt 29 is scraped under the interference of the spring 63 by the sludge scraper 62, so that the sludge on the conveying component inside the throwing and separating mechanism 2 can be conveniently removed, and the sludge can be conveniently used for the next time, and the sludge is in a sustainable operation state; when the cleaning liquid stored in the liquid storage tank 41 is needed to wash the first filter belt 28, the power part and the differential motor 47 in the washing mechanism 5 are started, the two gears 44 are meshed with each other to rotate, so that negative pressure is generated in the circulating hole 43, the cleaning liquid is sucked through the suction pipe 42, the cleaning liquid is filtered by the rotating filter disc 49 while passing through, when the differential motor 47 rotates the filter disc 49 to an angle opposite to the previous angle, the water flow in the washing tank 46 impacts impurities on the filter disc 49, so that the impurities are discharged out of the main body 1 through the slag discharge pipe 49a, the cleaning liquid can be continuously filtered, the conveying part in the spin-off mechanism 2 can be cleaned conveniently, the impurity-doped cleaning liquid can be filtered, and the recycling effect of the main body 1 is improved; because the second motor 51 in operation drives one of the rolling brushes 57 to rotate through the third belt pulley 52, and the rolling brush 57 also drives the other rolling brush 57 to rotate through the fourth belt pulley 53, because the first filter belt 28 and the second filter belt 29 have the mutually overlapped parts, the first filter belt 28 can reduce the dirt on the second filter belt 29 in rotation, so that the first filter belt 29 is polluted by the dirt, at the moment, the rolling brush 57 continuously cleans the first filter belt 28, and the cleaning liquid pumped out by the circulating pipe 58 is combined, so that the first filter belt 28 is cleaned more thoroughly, and further, the conveying parts inside the offline shaking mechanism 2 can be continuously cleaned, and the offline shaking mechanism is convenient to recycle.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a belt filter press is used in sludge dewatering with backwash function which characterized in that: comprises a main body (1), a throwing-off mechanism (2), a feeding mechanism (3), a circulating mechanism (4), a flushing mechanism (5) and a separating mechanism (6), the throwing-off mechanism (2) for dewatering sludge is arranged in the main body (1), the feeding mechanism (3) for quantitatively and uniformly injecting the sludge is arranged inside the main body (1), the circulating mechanism (4) which is used for recycling the cleaning liquid and can automatically filter out impurities mixed in the cleaning liquid is arranged at the bottom end in the main body (1), the flushing mechanism (5) for cleaning the circulating conveying component inside the throwing-off mechanism (2) is arranged inside the main body (1), the separating mechanism (6) for separating soil in the throwing-off mechanism (2) is arranged in one side of the main body (1).
2. The belt filter press for sludge dewatering with backwashing function according to claim 1, wherein: the throwing-off mechanism (2) comprises a first motor (21), a protective cover (22), first belt pulleys (23), a first connecting belt (24), a first rotating shaft (25), a rotating drum (26), a roller (27), a first filter belt (28) and a second filter belt (29), the first motor (21) is installed at the top end of the main body (1), the first rotating shaft (25) rotates inside the main body (1), one end of the first rotating shaft (25) extends to the outer side of the main body (1), one end of the first rotating shaft (25) and the end of the first motor (21) are respectively fixed with one first belt pulley (23), the first connecting belt (24) is wound between the two first belt pulleys (23), the protective cover (22) wraps the outer side of the first belt pulley (23), and the rotating drum (26) is fixed at one end of the first rotating shaft (25) located inside the main body (1), two groups of rollers (27) rotate inside the main body (1), each group of rollers (27) is provided with a plurality of rollers, the first filter belt (28) is wound between one group of rollers (27) and the rotary drum (26), the second filter belt (29) is wound between the other group of rollers (27) and the rotary drum (26), and the first filter belt (28) and the second filter belt (29) are wound in an overlapped mode in partial areas.
3. The belt filter press for sludge dewatering with backwashing function according to claim 2, wherein: the feeding mechanism (3) comprises a feeding hole (31), a quantifying block (32), a quantifying disc (33), a quantifying groove (34), a second belt pulley (35), a second connecting belt (36) and a second rotating shaft (37), the top end of the main body (1) is provided with the feed inlet (31), the bottom end of the feed inlet (31) is provided with the quantitative block (32), the quantitative block (32) is fixed in the main body (1), the quantitative disc (33) rotates in the quantitative block, a plurality of quantitative grooves (34) are arranged in the quantitative disc (33), and the middle part of the quantitative disc (33) is fixed with the second rotating shaft (37), one end of one of the rollers (27) and one end of the second rotating shaft (37) are respectively fixed with one second belt pulley (35), and a second connecting belt (36) is wound between the two second belt pulleys (35).
4. The belt filter press for sludge dewatering with backwashing function according to claim 2, wherein: separating mechanism (6) are including mud discharging port (61), mud scraper (62) and spring (63), the one end of main part (1) is equipped with mud discharging port (61), the inside of mud discharging port (61) is equipped with mud scraper (62), mud scraper (62) slide in the inside and the bottom mounting of main part (1) have spring (63), the bottom mounting of spring (63) in on the inner wall of main part (1), the tip is three horn shapes mud scraper (62) contradict in on the lateral wall of first filter belt (28).
5. The belt filter press for sludge dewatering with backwashing function according to claim 2, wherein: the circulating mechanism (4) comprises a liquid storage tank (41), a suction pipe (42), a circulating hole (43), gears (44), a third rotating shaft (45), a flushing tank (46), a differential motor (47), a fourth rotating shaft (48), a filter disc (49) and a slag discharge pipe (49 a), the bottom end inside the main body (1) is provided with the liquid storage tank (41), the circulating hole (43) is arranged inside the main body (1), one end of the circulating hole (43) is communicated with the suction pipe (42), the bottom end of the suction pipe (42) is arranged inside the liquid storage tank (41), the inside of the circulating hole (43) is rotated with two gears (44), one of the gears (44) is fixed at the middle part of the third rotating shaft (45), the filter disc (49) is rotated inside the circulating hole (43), and the fourth rotating shaft (48) is fixed at the middle part of the filter disc (49), one end of the fourth rotating shaft (48) is fixed with the differential motor (47), the differential motor (47) is installed inside the side wall of the main body (1), the bottom side of the filter disc (49) is provided with the flushing groove (46), the outer side of the main body (1) is fixed with the slag discharge pipe (49 a), and the flushing groove (46) is communicated with the slag discharge pipe (49 a).
6. The belt filter press for sludge dewatering with backwashing function according to claim 5, wherein: the washing mechanism (5) comprises a second motor (51), a third belt pulley (52), a fourth belt pulley (53), a third connecting belt (54), a fifth belt pulley (55), a fourth connecting belt (56), a rolling brush (57), a circulating pipe (58) and a fifth connecting belt (59), the second motor (51) is arranged in the main body (1), one end of the second motor (51) and one end of the third rotating shaft (45) are respectively fixed with one fourth belt pulley (53), the fifth connecting belt (59) is wound between the two fourth belt pulleys (53), one rolling brush (57) is respectively arranged on two sides of one section of the second filter belt (29), the rolling brush (57) rotates in the main body (1), one fifth belt pulley (55) is respectively fixed on the inner part and the end part of the main body, and the fourth connecting belt (56) is arranged between the two fifth belt pulleys (55), one of the end portions of the fifth belt pulley (55) and the second motor (51) is fixed with one of the third belt pulleys (52), the third connecting belt (54) is wound between the two third belt pulleys (52), the circulating pipe (58) is fixed on the outer side of the main body (1), the bottom end of the circulating pipe (58) is communicated with the circulating hole (43), and the top end of the circulating pipe extends into the main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271253.4A CN112452037A (en) | 2020-11-13 | 2020-11-13 | Belt filter press for sludge dewatering with backwash function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271253.4A CN112452037A (en) | 2020-11-13 | 2020-11-13 | Belt filter press for sludge dewatering with backwash function |
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| Publication Number | Publication Date |
|---|---|
| CN112452037A true CN112452037A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011271253.4A Withdrawn CN112452037A (en) | 2020-11-13 | 2020-11-13 | Belt filter press for sludge dewatering with backwash function |
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| Country | Link |
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| CN (1) | CN112452037A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114455800A (en) * | 2021-12-30 | 2022-05-10 | 山东创新华一环境工程有限公司 | Deep dehydration process for sludge |
| CN114671586A (en) * | 2022-04-25 | 2022-06-28 | 江西经匠建设有限公司 | Municipal administration room is built and is used mud resourceful treatment device |
| CN115304177A (en) * | 2022-07-20 | 2022-11-08 | 芜湖职业技术学院 | An environmentally friendly waste water treatment equipment |
| CN115536235A (en) * | 2022-08-05 | 2022-12-30 | 江苏普利斯环保科技有限公司 | Belt type filter press with backwashing function for sludge dewatering and using method |
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| CN207047076U (en) * | 2017-04-18 | 2018-02-27 | 江苏明轩环保科技有限公司 | One kind is used for continuous high pressure sludge deep dehydrator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114455800A (en) * | 2021-12-30 | 2022-05-10 | 山东创新华一环境工程有限公司 | Deep dehydration process for sludge |
| CN114671586A (en) * | 2022-04-25 | 2022-06-28 | 江西经匠建设有限公司 | Municipal administration room is built and is used mud resourceful treatment device |
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| CN115304177B (en) * | 2022-07-20 | 2023-11-21 | 芜湖职业技术学院 | An environmentally friendly wastewater treatment equipment |
| CN115536235A (en) * | 2022-08-05 | 2022-12-30 | 江苏普利斯环保科技有限公司 | Belt type filter press with backwashing function for sludge dewatering and using method |
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Application publication date: 20210309 |