CN111359285A - A filter device, sewage treatment equipment and sewage treatment method - Google Patents

Abstract

The invention discloses a filtering device, sewage treatment equipment and a sewage treatment method, wherein the filtering device comprises a shell, and is characterized in that: be equipped with the water pipe in the casing water pipe upside is equipped with the water inlet the cover is equipped with the filtration drum on the water pipe filter drum and be provided with a plurality of filter chambers along the circumferencial direction interval on the corresponding position of water inlet the filter chamber bottom is equipped with the filter screen the casing downside is equipped with the scum hole with the corresponding position of filter chamber be equipped with in the water pipe and carry out clear clean mechanism to the filter screen be equipped with the first actuating mechanism that can drive the filtration drum and rotate fixed angle outward the casing. The garbage collection device is convenient to use and good in filtering effect, can effectively clear and collect garbage of the filtering device, can squeeze and dewater the garbage before entering the garbage collection box, effectively prevents secondary pollution and effectively improves the storage capacity of the garbage collection box.

Description

A filter device, sewage treatment equipment and sewage treatment method

technical field

The present invention relates to the field of sewage treatment, in particular to a filtration device for sewage treatment. The present invention also relates to a sewage treatment device comprising the above-mentioned filtration device. The present invention also relates to a method for treating sewage using the above-mentioned sewage treatment device.

Background technique

Sewage treatment equipment is an industrial equipment that can effectively treat domestic sewage and industrial wastewater in urban areas, avoiding the direct inflow of sewage and pollutants into water areas, and is of great significance to improving the ecological environment, enhancing urban quality and promoting economic development.

There are often a lot of solid substances in industrial wastewater or domestic sewage. Therefore, in the process of sewage treatment, the solid substances in the sewage need to be filtered first to avoid clogging the sewage treatment equipment.

The Chinese invention patent with the authorization announcement number CN107233761B: A sewage treatment device, including a bracket, a drum surrounded by sieve holes, a filter screen, a slag scraping component, a transmission component and a motor. The slag scraping component is located in the drum, and scrapes the waste residue on the filter screen into the waste residue collection tray in time to avoid accumulation and blockage, so that the drum and the filter screen do not need to be replaced frequently and can be used continuously for a long time, so it can save costs and improve work efficiency.

However, in the above-mentioned technology, the slag scraping component can only scrape off the garbage on the inner surface of the filter screen 3 and send it into the waste slag collection tray, and cannot dredge the smaller meshes. As we all know, after the filter is used for a period of time, dirt will be deposited on the outer wall of the mesh, which will cause the mesh to be blocked. Although the scraper component can clean the garbage on the surface of the filter, in the cleaning process, it is often easy to scrape small garbage such as In the mesh, it will cause blockage and affect the filtering effect.

In addition, in the above technology, since the waste slag collection tray is located in the drum, the garbage scraped into the waste slag collection tray is still in contact with sewage before being taken out, resulting in a relatively high water content in the waste. In other words, when the waste slag is collected When the disc is taken out of the drum, a part of the sewage will be taken out of the drum, causing secondary pollution.

Therefore, the existing filtering devices and sewage treatment equipment for sewage treatment need to be further improved.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies in the prior art, and to provide a filter device with a simple structure, which can easily switch the filter screen, thereby effectively ensuring the filtering effect.

Another object of the present invention is to provide a sewage treatment equipment including the above-mentioned filter device, the sewage treatment equipment has good filtering effect, can squeeze and dehydrate the garbage sent out from the filter device, effectively prevent secondary pollution, and effectively improve sewage treatment. efficiency.

Another object of the present invention is to provide a method for treating sewage using the above-mentioned sewage treatment equipment, which is simple in process and convenient in operation.

As far as the filter device is concerned, in order to achieve the above-mentioned purpose, the present invention adopts the following scheme: a filter device, comprising a casing, characterized in that: a water outlet circular pipe is arranged in the casing, and a water outlet circular pipe is arranged on the upper side of the water outlet circular pipe. A water inlet is provided, a filter cylinder is sleeved on the water outlet pipe, a plurality of filter cavities are arranged at intervals along the circumferential direction at the positions corresponding to the filter cylinder and the water inlet, and a filter cavity is arranged at the bottom of the filter cavity. There is a filter screen, a slag discharge port is arranged on the lower side of the casing and the position corresponding to the filter cavity, a cleaning mechanism capable of cleaning the filter screen is arranged in the water outlet pipe, and a driving mechanism is arranged outside the casing. The filter cylinder rotates a fixed angle of the first drive mechanism.

As another improvement of the filter device of the present invention, the cleaning mechanism includes a cleaning brush, the front end of the cleaning brush extends into the rear side of the water outlet pipe, and a front end of the cleaning brush is provided at a position corresponding to the filter screen. The bristles of the mesh holes of the filter screen, the rear end of the cleaning brush protrudes from the water outlet pipe, and a second driving mechanism that can drive the cleaning brush to move up and down when the filter cylinder rotates is arranged between the housing and the cleaning brush.

As another improvement of the filtering device of the present invention, a partition wall capable of partitioning the water inlet and the slag discharge outlet is arranged in the water outlet circular pipe.

As another improvement of the filtering device of the present invention, a connecting circular pipe is provided at the rear end of the filtering cylinder, the first driving mechanism includes a transmission gear arranged on the connecting circular pipe, and a connecting circular pipe is provided at the rear end of the filtering cylinder. A stepper motor is arranged on the outside, and a drive gear is arranged on the motor shaft of the stepper motor, and the drive gear is meshed with the transmission gear.

As another improvement of the filtering device of the present invention, the second driving mechanism includes a connecting rod disposed on the lower side of the rear end of the cleaning brush, and a limit rod is provided on the connecting rod. There is a telescopic support rod on the upper side of the end, the movable end of the telescopic support rod is connected with the cleaning brush, and a return spring is sleeved on the movable end of the telescopic support rod between the fixed end of the telescopic support rod and the cleaning brush The rear end of the filter cylinder is provided with an annular guide groove which can make the limit rod move up and down when the filter cylinder rotates, and the front end of the limit rod is movably arranged in the annular guide groove.

As far as sewage treatment equipment is concerned, in order to achieve the above purpose, the present invention adopts the following scheme: a sewage treatment equipment, including an organic shell, characterized in that: one side of the shell is provided with the one described in any one of the claims The filter device, the upper part of the casing is provided with a water inlet pipe that communicates with the water inlet end of the filter device, and a garbage collection box is arranged on the other side of the casing, between the filter device and the garbage collection box. The casing is provided with a garbage conveying mechanism that can transport the garbage discharged from the filter device to the garbage collection box, and a garbage conveying mechanism is provided in the casing that can squeeze the garbage on the garbage conveying mechanism so that the garbage enters the garbage collection box. Extrusion mechanism before dehydration.

As another improvement of the sewage treatment equipment of the present invention, the garbage conveying mechanism includes a first rotating shaft and a second rotating shaft disposed in the casing at intervals, the first rotating shaft is disposed below the filtering device, and the first rotating shaft is disposed under the filter device. Two rotating shafts are arranged above the garbage collection box, a conveyor belt is sleeved on the first rotating shaft and the second rotating shaft, drainage holes are arranged on the conveyor belt, and the upper end face of the conveyor belt is evenly spaced There is a baffle plate, and the first rotating shaft is connected with the first driving mechanism through a transmission mechanism.

As another improvement of the sewage treatment equipment of the present invention, an ejection mechanism capable of ejecting the garbage in the drainage hole is provided at the outlet end of the garbage conveying mechanism. Set of thimbles on the axis of rotation.

As another improvement of the sewage treatment equipment of the present invention, the extrusion mechanism includes a support plate that is inserted into the conveyor belt, and one side of the support plate is fixedly connected to the inner wall of the casing. There is an extrusion cylinder, and an extrusion plate is arranged on the cylinder shaft of the extrusion cylinder.

As another improvement of the sewage treatment equipment of the present invention, an air jet pump is provided in the casing, and an air blowing pipe is arranged on the air outlet of the air jet pump, and the air blowing pipe extends into the slag discharge port.

As far as the sewage treatment method is concerned, in order to achieve the above object, the present invention adopts the following scheme: a method for treating sewage based on the sewage treatment equipment described in any one of the above, characterized in that it comprises the following steps:

S1. The sewage to be treated is transported to the water inlet of the filter device through the water inlet pipe on the upper part of the casing for filtering;

S2. Monitor the change of the water level in the water inlet pipe. When the water level continues to be at a high position, control the first drive mechanism to work to make the filter device rotate to switch the filter chamber, and at the same time, drive the second drive mechanism to drive the cleaning mechanism to the slag discharge port. The filter cavity is cleaned and dredged; and the garbage conveying mechanism is driven to rotate towards the garbage collection box for a certain distance;

S3. Control the extrusion mechanism to squeeze and dehydrate the garbage on the garbage conveying mechanism, and send the extruded and dehydrated garbage into the garbage collection box when the garbage conveying mechanism rotates next time.

To sum up, the beneficial effects of the present invention compared with the prior art are as follows: 1. The filtering device of the present invention has a simple structure, a plurality of filtering cavities are arranged on the filtering cylinder, and different filtering cavities can be switched according to the change of the water level at the water inlet. The waste in the filter cavity can be output through the slag discharge port, and the mesh holes of the filter screen can be cleaned and dredged by the cleaning mechanism, so as to effectively ensure the next filtering effect; 2. The sewage treatment equipment of the present invention has a simple structure and is easy to use. It has good filtering effect, can effectively remove and collect the garbage of the filter device, and can squeeze and dehydrate the garbage before entering the garbage collection box, effectively prevent secondary pollution and effectively improve the storage capacity of the garbage collection box; The invented sewage treatment method has the advantages of simple process, convenient operation, high filtering efficiency and good filtering effect.

Description of drawings

FIG. 1 is a schematic perspective view of a filter device of the present invention.

FIG. 2 is a schematic perspective view of the sewage treatment device of the present invention.

FIG. 3 is a schematic view of FIG. 2 from another angle.

FIG. 4 is a schematic top view of FIG. 2 .

FIG. 5 is a schematic cross-sectional view of B-B in FIG. 4 .

FIG. 6 is a schematic cross-sectional view of C-C in FIG. 4 .

FIG. 7 is an enlarged schematic view of D in FIG. 5 .

FIG. 8 is an enlarged schematic view of E in FIG. 6 .

FIG. 9 is an enlarged schematic view of F in FIG. 6 .

Figure 10 is a schematic diagram of the internal structure of the present invention.

In the figure: 1. housing; 10. second driving mechanism; 101, connecting rod; 102, limit rod; 103, telescopic support rod; 104, return spring; 105, annular guide groove; 1051, circular groove body; 1052. Arc-shaped giving way and missing groove; 11. Partition wall; 12. Dynamic sealing mechanism; 121. Vertical long groove; 122. Sealing long plate; 13. Connecting round pipe; , water inlet pipe; 17, garbage conveying mechanism; 171, first rotating shaft; 172, second rotating shaft; 173, conveyor belt; 174, drain hole; 175, baffle; 176, transmission mechanism; 1761, mounting seat; 1762 1763, connecting gear; 1764, drive pulley; 1765, drive pulley; 1766, drive belt; 18, extrusion mechanism; 181, support plate; 1811, water collection tank; 1812, water collection pipe; 1813, drainage pipe; 182, squeeze cylinder; 183, squeeze plate; 184, guide seat; 185, guide rod; 186, movable plate; 187, buffer spring; 2, water outlet pipe; 21, ejector mechanism; 22, thimble group; 220 , jet pump; 3, water inlet; 4, filter cylinder; 5, filter cavity; 6, filter screen; 7, slag outlet; 8, cleaning mechanism; 81, cleaning brush; 82, bristles; 9, first drive mechanism; 91, transmission gear; 92, stepper motor; 93, drive gear.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1, 2, 5, 6, 7, 8 and 10, the present invention provides a technical solution: a filter device, comprising a casing 1, and a water outlet pipe 2 is arranged in the casing 1, A water inlet 3 is provided on the upper side of the water outlet pipe 2, a filter cylinder 4 is sleeved on the water outlet pipe 2, and the filter cylinder 4 is spaced in the circumferential direction at the position corresponding to the water inlet 3 A plurality of filter cavities 5 are provided, a filter screen 6 is arranged at the bottom of the filter cavity 5, a slag discharge port 7 is arranged on the lower side of the casing 1 at a position corresponding to the filter cavity 5, and the water outlet pipe 2 A cleaning mechanism 8 capable of cleaning the mesh holes of the filter screen 6 is provided inside, and a first drive mechanism 9 capable of driving the filter cylinder 4 to rotate at a fixed angle is provided outside the casing 1 .

When the filter device of the present invention is in use, the sewage enters from the filter cavity 5 on the upper side of the filter cylinder 4, passes through the filter screen 6 and then enters the water inlet 3 on the upper side of the water outlet pipe 2, and then is discharged from the front end of the water outlet pipe 2 or flows into the next channel. In the process, when the filter screen 6 at the water inlet 3 accumulates a lot of garbage, the first drive mechanism 9 can be controlled to drive the filter cylinder 4 to rotate by a fixed angle, thereby switching a filter cavity 5, which effectively improves the filtration efficiency. When the filter cavity 5 with a lot of garbage rotates to the slag discharge port 7, the garbage will naturally fall from the slag discharge port 7 under the action of gravity. Thus, it is effectively ensured that the filter screen 6 can be used again.

The cleaning mechanism 8 of the present invention includes a cleaning brush 81 , the front end of the cleaning brush 81 protrudes into the rear side of the water outlet pipe 2 , and the front end of the cleaning brush 81 is provided at a position corresponding to the filter screen 6 that can be inserted into the filter screen 6 The bristles 82 of the mesh holes, the rear end of the cleaning brush 81 protrudes from the water outlet pipe 2, and between the housing 1 and the cleaning brush 81, there is a filter cylinder 4 that can drive the cleaning brush 81 to move up and down when it rotates. The second drive mechanism 10 .

In the present invention, when the filter cylinder 4 rotates, under the action of the second drive mechanism 10, the cleaning brush 81 is first lifted by a certain distance, so that the bristles 82 are separated from the mesh holes of the filter screen at the slag discharge port 7, thereby effectively preventing obstruction of the filter circle. The cylinder 4 rotates. When the filter cylinder 4 rotates to a predetermined angle, the cleaning brush 81 descends again. At this time, the bristles 82 are inserted into the mesh holes of the filter screen switched to the slag discharge port 7, so as to achieve dredging through the filter screen 6 effect.

A partition wall 11 capable of partitioning the water inlet 3 and the slag discharge outlet 7 is arranged in the water outlet circular pipe 2 .

The partition wall 11 described in the present invention divides the water outlet pipe 2 into two areas, which are the water outlet area and the cleaning mechanism 8 accommodating area, wherein the water outlet area can guide the filtered water entering from the water inlet 3 to the water outlet area. At the front end of the water outlet pipe 2 , the accommodating area is used to install the cleaning mechanism 8 , and the partition wall 11 effectively prevents the filtered water from entering the slag discharge port 7 . In another embodiment of the present invention, a dynamic sealing mechanism 12 may be provided between the rear end surface of the water outlet pipe 2 and the cleaning mechanism 8 , wherein the dynamic sealing mechanism 12 includes a The vertical long groove 121 is provided with an interlayer space on the rear end surface of the water outlet pipe 2 outside the vertical long groove 121, and a sealing long plate 122 that can move up and down is movably arranged in the interlayer space. The cleaning mechanism The rear end of the cleaning brush 81 of 8 is sealed in the middle of the sealing long plate 122. When the cleaning brush 81 moves up or down, the sealing long plate 122 moves up or down in the interlayer space accordingly, so as to always keep the closed vertical direction. The long groove 121 achieves the effect of dynamic sealing. Since the bristles 82 on the cleaning brush 81 are inserted into the mesh holes of the filter screen 6 at the slag discharge port 7, at this time, the filter screen 6 there is closed, and the filtered water entering from the water inlet 3 can only flow to the water outlet circle. The front end of the pipe 2 flows. In addition, in the process of switching the filter cavity 5, although the bristles 82 are temporarily separated from the mesh of the filter screen at the slag discharge port 7, the filter cylinder 4 rotates. The connection between them is gradually closed, and then gradually opened. Therefore, only a very small part of the filtered water flows out through the slag discharge port 7, and the water flowing out this time can just backwash the filter screen 6 here.

In the present invention, a connecting circular pipe 13 is provided at the rear end of the filter cylinder 4 , the first driving mechanism 9 includes a transmission gear 91 arranged on the connecting circular pipe 13 , and an outer side of the rear end of the filtering cylinder 4 is provided with The stepping motor 92 is provided with a driving gear 93 on the motor shaft of the stepping motor 92 , and the driving gear 93 meshes with the transmission gear 91 .

The stepping motor 92 described in the present invention can be connected to the controller, and the rotation angle of the stepping motor 92 can be preset before use according to the number of filter chambers 5 and the ratio of the number of teeth of the driving gear 93 to the number of teeth of the transmission gear 91 . When the stepping motor 92 is rotated by a fixed angle or a number of turns, exactly one filter chamber 5 is switched. For example, when the number of filter chambers 5 is 4, and the ratio of the number of teeth of the driving gear 93 to the number of teeth of the transmission gear 91 is 1:2, the stepping motor 92 is set to drive the driving gear 93 to rotate 180°/half a turn each time, At this time, the transmission gear 91 rotates 90°/four times a circle, which just switches one filter cavity 5 .

The second driving mechanism 10 of the present invention includes a connecting rod 101 disposed on the lower side of the rear end of the cleaning brush 81 , a limit rod 102 is provided on the connecting rod 101 , and the upper side of the rear end of the cleaning brush 81 There is a telescopic support rod 103 on it, the movable end of the telescopic support rod 103 is connected with the cleaning brush 81 , and the movable end of the telescopic support rod 103 between the fixed end of the telescopic support rod 103 and the cleaning brush 81 is sleeved There is a return spring 104, and the rear end of the filter cylinder 4 is provided with an annular guide groove 105 that can make the limit rod 102 move up and down when the filter cylinder 4 rotates, and the front end of the limit rod 102 is movably arranged in the annular guide groove. within 105.

The annular guide groove 105 described in the present invention is disposed in the rear side of the transmission gear 91, the annular guide groove 105 includes a circular groove body 1051, and a filter cavity is arranged on the circular groove body 1051 along the circumferential direction. 5. The same number of arc-shaped escaping grooves 1052 are directed to the outer side of the circular groove body 1051, and a transition arc surface is provided between the arc-shaped accommodating grooves 1052 and the circular groove body 1051. In one embodiment of the present invention, the number of the filter chambers 5 is four, and the corresponding arc-shaped escape grooves 1052 are also four, and the arc-shaped escape grooves 1052 are arranged at the positions corresponding to the filter chambers 5 , when the filter cavity 5 on the upper side of the filter cylinder 4 is communicated with the water inlet 3, the limit rod 102 is pressed against the bottom of the lowermost arc-shaped recess 1052 under the action of the return spring 104. At this time, the cleaning The bristles of the brush 81 are inserted into the mesh holes of the filter screen 6 located at the slag discharge port 7, so that the dirt in the mesh holes of the filter screen 6 is pushed out. When the filter cylinder 4 is driven by the first driving mechanism 9, Rotate a fixed angle, for example, rotate 90° in this embodiment. During the rotation process, the limit rod 102 enters the circular groove body 1051 from the bottom of the arc-shaped vacant groove 1052 along the transition arc surface, thereby driving the limit rod 102 to drive the cleaning The brush 81 overcomes the force of the return spring 104 and the telescopic support rod 103 and moves upward as a whole, so that the bristles 82 are separated from the mesh of the filter screen 6. When the filter cylinder 4 completes 90° rotation, the filter cavity 5 of the filter cylinder 4 After one switch, the limit rod 102 falls back into the lowermost arc-shaped recess 1052. At this time, the bristles 82 of the cleaning brush 81 are inserted into the mesh holes of the filter screen 6 newly switched into the slag discharge port 7, Thereby playing a role of dredging.

Referring to Figures 1-10, the present invention provides a technical solution: a sewage treatment equipment, comprising an organic casing 14, a filter device 15 as described above is arranged in one side of the casing 14, The upper part of 14 is provided with a water inlet pipe 160 that communicates with the water inlet end of the filter device 15, and a garbage collection box 16 is provided on the other side of the casing 14. The casing 14 is provided with a garbage conveying mechanism 17 that can transport the garbage discharged from the filter device 15 to the garbage collection box 16 , and the casing 14 is provided with a garbage conveying mechanism 17 capable of squeezing the garbage to make the garbage The squeezing mechanism 18 for dewatering before entering the refuse collection box 16 .

In the present invention, the sewage enters the filter chamber 5 of the filter device 15 from the water inlet pipe 160 on the upper part of the casing 14, passes through the filter screen 6 and then enters the water inlet 3 on the upper side of the water outlet pipe 2, and then is discharged from the front end of the water outlet pipe 2 or flows into the lower side. In one process, when the filter screen 6 at the water inlet 3 accumulates a lot of garbage, the first drive mechanism 9 can be controlled to drive the filter cylinder 4 to rotate at a fixed angle, thereby switching a filter cavity 5, effectively improving the filtration efficiency. When the filter cavity 5 with a lot of garbage rotates to the slag discharge port 7, the garbage will naturally fall from the slag discharge port 7 to the garbage conveying mechanism 17 under the action of gravity, and the garbage conveying mechanism 17 drives the garbage to gradually move towards the garbage collection box 16. , when moving to the extrusion mechanism 18, under the action of the extrusion mechanism 18, the water in the garbage is effectively squeezed out, and the moisture content and volume of the garbage are effectively reduced, so that the garbage collection box 16 can collect more garbage and Treat sewage more thoroughly to avoid secondary pollution.

The garbage conveying mechanism 17 of the present invention includes a first rotating shaft 171 and a second rotating shaft 172 disposed in the casing 14 at intervals, the first rotating shaft 171 is disposed below the filter device 15, and the second rotating shaft 172 It is arranged above the garbage collection box 16, a conveyor belt 173 is sleeved on the first rotating shaft 171 and the second rotating shaft 172, and a drainage hole 174 is set on the conveyor belt 173. Baffles 175 are evenly spaced on the end faces, and the first rotating shaft 171 is connected to the first driving mechanism 9 through a transmission mechanism 176 .

In the present invention, there is a certain height difference between the first rotating shaft 171 and the second rotating shaft 172, so that an inclined angle is formed between the conveyor belt 173 and the horizontal plane. In this embodiment, the first rotating shaft 171 is at a lower level. The second rotating shaft 172 is at a higher position, so that the conveyor belt 173 is inclined upward. In the present invention, a water collecting bucket 19 is provided on the casing 14 below the filtering device 15. The water collecting bucket 19 The front side is provided with a drain pipe 20, the drain pipe 20 is connected with the water outlet pipe 2, when the conveyor belt 173 rotates in the direction of the garbage collection box 16, the water droplets in the garbage will flow to the side of the filter device 15 under the action of gravity The water flows out from the drain hole 174 and then enters the water collecting bucket 19, and then is collected into the water outlet round pipe 2 through the drain pipe 20 and discharged together.

In the first embodiment of the transmission mechanism 176 of the present invention, a mounting seat 1761 is arranged on the rear end of the casing 14 , a rotating shaft 1762 is arranged in the mounting seat 1761 , and a connecting gear 1763 is arranged at the front end of the rotating shaft 1762 , the connecting gear 1763 meshes with the transmission gear 91, the connecting gear 1763 and the rear end of the rotating shaft 1762 are provided with a drive pulley 1764, and the rear end of the first rotating shaft 171 is provided with a drive pulley 1765, between the drive pulley 1764 and the A drive belt 1766 is sleeved on the drive pulley 1765 . In the present invention, when the stepping motor 92 rotates by a fixed angle or a number of turns, just one filter cavity 5 is replaced, and the conveyor belt 173 is moved by a fixed distance. between. In this embodiment, according to the ratio between the number of teeth of the connecting gear 1763 and the number of teeth of the transmission gear 91, it can be determined that when the stepping motor 92 rotates a predetermined angle or number of turns, the conveyor belt 173 moves a fixed distance , thereby setting the position of the baffle 175 according to the fixed distance.

In the second embodiment of the transmission mechanism 176 of the present invention, a mounting seat 1761 is arranged on the rear end of the casing 14 , a rotating shaft 1762 is arranged in the mounting seat 1761 , and a connecting gear 1763 is arranged at the front end of the rotating shaft 1762 , the connecting gear 1763 meshes with the transmission gear 91, the connecting gear 1763 and the rear end of the rotating shaft 1762 are provided with a drive sprocket, and the rear end of the first rotating shaft 171 is provided with a drive sprocket, and the drive sprocket and A transmission chain is sleeved on the transmission sprocket.

In the third embodiment of the transmission mechanism 176 of the present invention, a mounting seat 1761 is provided on the rear end of the casing 14 , a rotating shaft 1762 is provided in the mounting seat 1761 , and a connecting gear 1763 is provided at the front end of the rotating shaft 1762 , the connecting gear 1763 meshes with the driving gear 93, the connecting gear 1763 and the rear end of the rotating shaft 1762 are provided with a driving pulley 1764, and the rear end of the first rotating shaft 171 is provided with a driving pulley 1765, between the driving pulley 1764 and the A drive belt 1766 is sleeved on the drive pulley 1765 . In this embodiment, according to the ratio between the number of teeth of the connecting gear 1763 and the number of teeth of the driving gear 93, it is determined that when the stepping motor 92 rotates a predetermined angle or a number of turns, the conveyor belt 173 moves a fixed distance, so that The position of the shutter 175 is set according to the fixed distance.

In the present invention, an ejector mechanism 21 capable of ejecting the garbage in the drainage hole 174 is provided at the outlet end of the garbage conveying mechanism 17 , and the ejector mechanism 21 includes ejector pins uniformly distributed on the second rotating shaft 172 along the circumferential direction. Group 22.

In the present invention, a plurality of drainage hole groups are evenly spaced on the conveyor belt 173. The drainage hole groups are arranged in balance with the second rotating shaft 172. Each drainage hole group is composed of a plurality of drainage holes 174 arranged at even intervals. The ejector pin group 22 includes ejector pins spaced along the axis direction of the second rotating shaft 172, the distance between the ejector pins is equivalent to the distance between the drain holes 174, and the distance between the ejector pin groups 22 is equal to the distance between the drain hole groups. When the second rotating shaft 172 rotates, the ejector pin just falls into the drain hole 174, thereby effectively ejecting the garbage falling into the ejector pin hole during the extrusion process, so that it can be smoothly sent into the garbage collection box 16, and at the same time effectively The conveyor belt 173 is driven precisely. In the present invention, the same ejecting mechanism 21 can be provided on the first rotating shaft 171. The function of the ejecting mechanism 21 on the first rotating shaft is not to eject the garbage in the drainage hole 174, but to drive the conveyor belt conveniently and accurately. 173 turns.

The extrusion mechanism 18 of the present invention includes a support plate 181 inserted into the conveyor belt 173 , one side of the support plate 181 is fixedly connected to the inner wall of the casing 14 , and an extrusion cylinder is arranged in the casing 14 182, a pressing plate 183 is provided on the cylinder shaft of the pressing cylinder 182.

In one embodiment of the pressing mechanism 18 in the present invention, in addition to the above structure, a water collecting tank 1811 is provided on the support plate 181, and a water collecting pipe 1812 is provided on the casing 14. The water collecting tank 1811 One end is connected to a water collecting pipe 1812 , and one end of the water collecting pipe 1812 is provided with a circular drainage pipe 1813 , the circular drainage pipe 1813 extends out of the casing 14 and is connected to the circular water outlet pipe 2 .

In another embodiment of the pressing mechanism 18 of the present invention, the casing 14 is provided with a guide seat 184 , the guide seat 184 is provided with a guide hole, and the pressing plate 183 is provided with a guide rod 185, the guide rod 185 is movably arranged in the guide hole, the pressing plate 183 is provided with an accommodating groove, the accommodating groove is provided with a movable plate 186, and the movable plate 186 and the A buffer spring 187 is provided between the bottoms of the accommodating grooves.

In the present invention, the squeezing cylinder 182 is connected with the controller, and the controller can accurately control the action time and telescopic length of the squeezing cylinder 182, thereby effectively squeezing and dewatering the garbage on the conveyor belt 173.

An air jet pump 22 is provided in the casing 14 , and an air blowing pipe 23 is arranged on the air outlet of the air jet pump 22 , and the air blowing pipe 23 extends into the slag discharge port 7 .

In the present invention, the jet pump 22 can be connected with the controller, and the controller controls the jet pump 22 to jet the jet into the slag discharge port 7 , so that the garbage can be more easily separated from the filter cavity 5 .

In the present invention, a water level sensor can also be provided on the upper inner wall of the water inlet pipe 160, and the water level sensor is connected with the controller. When too much garbage accumulates in the filter cavity 5 corresponding to the water inlet 3 and the filtration efficiency decreases, the water level will continue to When the water level rises to the water level sensor in the water inlet pipe 160, the water level sensor sends a signal to the controller. After the controller receives the signal, it sends an instruction to the stepping motor 92 to make the stepping motor 92 rotate by a predetermined angle or number of turns. , so that the filter cavity 5 is switched, the conveyor belt 173 is driven to move a certain distance, and the extrusion cylinder 182 is controlled to work to extrude the garbage in the conveyor belt 173 .

In the present invention, the stepper motor 92, the extrusion cylinder 182 and the jet pump 22 may not be connected to the controller, but can be controlled by separate switches. In this case, the sewage treatment equipment is semi-automatic equipment, and different switches can be controlled by hand. , respectively control the stepper motor 92, the extrusion cylinder 182 or the jet pump 22 to work.

In the present invention, an opening is formed on one side of the casing 14, and the garbage collection box 16 is arranged in the opening and can be pulled out from the opening for replacement.

The sewage treatment method of the present invention adopts the above-mentioned sewage treatment equipment, comprising the following steps:

S1, the sewage to be treated is transported to the water inlet 3 of the filter device 15 through the water inlet pipe 160 on the upper part of the casing 14 for filtering;

S2. Monitor the change of the water level in the water inlet pipe 160. When the water level continues to be at a high position, control the first drive mechanism 9 to work, so that the filter device 15 is rotated to switch the filter chamber 5, and at the same time, the second drive mechanism 10 is driven to drive the cleaning mechanism. 8. Clean and dredge the filter cavity 5 at the slag discharge port 7; and drive the garbage conveying mechanism 17 to rotate towards the garbage collection box 16 for a certain distance;

S3. Control the extrusion mechanism 18 to squeeze and dehydrate the garbage on the garbage conveying mechanism 17, and send the extruded and dehydrated garbage into the garbage collection box 16 when the garbage conveying mechanism 17 rotates next time.

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only for illustrating the present invention. In principle, without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A filter device comprising a casing (1), characterized in that: a water outlet circular pipe (2) is arranged in the casing (1), and a water outlet circular pipe (2) is provided on the upper side thereof The water inlet (3) is provided with a filter cylinder (4) on the water outlet pipe (2), and is arranged at intervals along the circumferential direction at the corresponding positions of the filter cylinder (4) and the water inlet (3). There are a plurality of filter chambers (5), a filter screen (6) is arranged at the bottom of the filter chamber (5), and a slag discharge port is arranged on the lower side of the casing (1) at a position corresponding to the filter chamber (5). (7), a cleaning mechanism (8) capable of cleaning the mesh holes of the filter screen (6) is arranged in the water outlet circular pipe (2), and a cleaning mechanism (8) capable of driving the filter circle is arranged outside the casing (1). The cylinder (4) rotates the first drive mechanism (9) of a fixed angle. 2 . The filtering device according to claim 1 , wherein the cleaning mechanism ( 8 ) comprises a cleaning brush ( 81 ), and the front end of the cleaning brush ( 81 ) extends into the water outlet pipe ( 2 ). 3 . In the side, the front end of the cleaning brush (81) is provided with bristles (82) that can be inserted into the mesh holes of the filter screen (6) at the position corresponding to the filter screen (6). The rear end of the cleaning brush (81) extends. The water outlet pipe (2) is provided between the casing (1) and the cleaning brush (81) with a second driving mechanism (10) that can drive the cleaning brush (81) to move up and down when the filter cylinder (4) rotates ). 3. A filter device according to claim 1, characterized in that: a partition wall (11) capable of separating the water inlet (3) and the slag discharge outlet (7) is provided in the water outlet pipe (2) . 4. A filtering device according to claim 1, characterized in that: a connecting circular pipe (13) is provided at the rear end of the filtering cylinder (4), and the first driving mechanism (9) comprises a The transmission gear (91) on the connection round pipe (13) is provided with a stepper motor (92) on the outside of the rear end of the filter cylinder (4), and a motor shaft of the stepper motor (92) is provided with A driving gear (93), the driving gear (93) meshes with the transmission gear (91). 5. A filter device according to claim 2, characterized in that: the second driving mechanism (10) comprises a connecting rod (101) arranged on the lower side of the rear end of the cleaning brush (81), The connecting rod (101) is provided with a limit rod (102), and a telescopic support rod (103) is provided on the upper side surface of the rear end of the cleaning brush (81), and the movable end of the telescopic support rod (103) is connected to the The cleaning brush (81) is connected, and a return spring (104) is sleeved on the movable end of the telescopic support rod (103) between the fixed end of the telescopic support rod (103) and the cleaning brush (81). The rear end of the filter cylinder (4) is provided with an annular guide groove (105) that can move the limit rod (102) up and down when the filter cylinder (4) rotates, and the front end of the limit rod (102) is movably arranged in the annular shape. in the guide groove (105). 6. A sewage treatment equipment, comprising an organic casing (14), characterized in that: a filter device (15) according to any one of claims 1-5 is arranged in one side of the casing (14), The upper part of the casing (14) is provided with a water inlet pipe (16) that communicates with the water inlet end of the filter device (15), and a garbage collection box (16) is arranged on the other side of the casing (14). The casing (14) between the filter device (15) and the garbage collection box (16) is provided with a garbage conveying mechanism (17) capable of transporting the garbage discharged from the filter device (15) to the garbage collection box (16). ), a pressing mechanism (18) capable of squeezing the garbage on the garbage conveying mechanism (17) so as to dewater the garbage before entering the garbage collection box (16) is provided in the casing (14). 7 . The sewage treatment equipment according to claim 6 , wherein the garbage conveying mechanism ( 17 ) comprises a first rotating shaft ( 171 ) and a second rotating shaft arranged in the casing ( 14 ) at intervals. 8 . (172), the first rotation shaft (171) is arranged below the filter device (15), the second rotation shaft (172) is arranged above the refuse collection box (16), and the first rotation shaft (171) ) and the second rotating shaft (172) are sleeved with a conveyor belt (173), a drainage hole (174) is provided on the conveyor belt (173), and the upper end face of the conveyor belt (173) is evenly spaced. A baffle plate (175), the first rotating shaft (171) is connected with the first driving mechanism (9) through a transmission mechanism (176). 8. A sewage treatment equipment according to claim 7, characterized in that: an ejection mechanism (21) capable of ejecting the garbage in the drainage hole (174) is provided at the outlet end of the garbage conveying mechanism (17). ), and the ejection mechanism (21) includes an ejector pin group (22) uniformly distributed on the second rotation shaft (172) along the circumferential direction. 9 . The sewage treatment equipment according to claim 6 , wherein the pressing mechanism ( 18 ) comprises a support plate ( 181 ) inserted into the conveyor belt ( 173 ), and the support plate ( 181) One side is fixedly connected to the inner wall of the casing (14), an extrusion cylinder (182) is arranged in the casing (14), and an extrusion cylinder (182) is provided on the cylinder shaft of the extrusion cylinder (182). plate (183). 10. A method for treating sewage based on the sewage treatment equipment according to any one of claims 6-9, characterized in that it comprises the following steps: S1. The sewage to be treated is transported to the water inlet (3) of the filter device (15) through the water inlet pipe (16) on the upper part of the casing (14) for filtering; S2. Monitor the change of the water level in the water inlet pipe (16), and when the water level continues to be at a high position, control the first drive mechanism (9) to work, so that the filter device (15) rotates to switch the filter chamber (5), and at the same time, drives the The second drive mechanism (10) drives the cleaning mechanism (8) to clean and dredge the filter cavity (5) at the slag discharge port (7); and drives the garbage conveying mechanism (17) to rotate towards the garbage collection box (16) for a certain distance; S3. Control the extrusion mechanism (18) to squeeze and dehydrate the garbage on the garbage conveying mechanism (17), and send the extruded and dehydrated garbage into the garbage collection box (16) when the garbage conveying mechanism (17) rotates next time. ).

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