Sewage pretreatment device with separation and recovery functions

Abstract

The invention relates to the technical field of sewage pretreatment, and particularly discloses a sewage pretreatment device with separation and recovery functions, which comprises a body, avoidance bulges are arranged on two side walls of the body, a filter assembly positioned at the upper parts of the avoidance bulges is rotatably arranged on the body, and an adjusting assembly matched with the avoidance bulges is rotatably arranged on the body. A spraying assembly matched with the filtering assembly is arranged on the upper portion of the body, and a recycling box matched with the adjusting assembly is arranged on the lower portion of the body. The first gear motor drives the two filter plates in the filter assembly to continuously turn over at a low speed through the driven wheel, so that the filter plates are subsequently sprayed and cleaned in multiple directions by the spraying pipe, and sundries such as plastic bags attached to the filter plates are easily washed away; the filtering performance of the filter plate can be guaranteed while the effect of recycling sundries such as plastic bags is achieved, high-frequency manual dismounting and cleaning operation is not needed, convenience is brought to operators, and the filtering efficiency of sewage pretreatment is also improved.

Description

Technical Field

[0001] The invention relates to the technical field of sewage pretreatment, and in particular to a sewage pretreatment device with separation and recovery functions. Background Art

[0002] Wastewater treatment refers to the process of purifying wastewater to meet the water quality requirements for drainage or reuse. Wastewater treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical care, and catering. Wastewater treatment mainly includes two processes: pretreatment and deep treatment. Pretreatment is mainly to isolate particulate matter or bagged materials in wastewater, and deep treatment is mainly to aerate, oxidize, and disinfect wastewater.

[0003] A Chinese patent document CN107973459A discloses a sewage pretreatment device, including a water inlet mechanism, a filtering mechanism and a collecting mechanism, wherein the water inlet mechanism includes a water storage tank, a water pump and a water inlet pipe; the filtering mechanism includes a filter box, a filter barrel and a water guide channel, wherein a filter screen is provided in the water guide channel; the device also includes a rotating shaft, one end of which is provided with blades, and the other end of which is fixed to the filter barrel; the collecting mechanism includes a water collecting ring, a pressing sheet is provided on the filter barrel, and a baffle is provided above the clean water pool; a pressurizing mechanism is provided on the baffle, and the pressurizing mechanism includes an air storage chamber, a piston and a stopper, wherein the piston is in an "L" shape consisting of a vertical rod and a horizontal plate, and the horizontal plate is slidably connected in the air storage chamber; the stopper is a first magnet hinged on the inner side of the air storage chamber, and a second magnet is provided on the lower surface of the horizontal plate. The present invention solves the problem that the prior art can only clean up the impurities with larger particles, so that the impurities with smaller particles will remain in the water; however, the technical content only processes the particulate matter in the sewage, but ignores the isolation and recovery operation of the bagged materials such as plastic bags mixed in the sewage pretreatment. If the plastic bags and other bagged debris on the filter plate are not cleaned up in time, the plastic bags will be laid on the surface of the filter plate, thereby seriously affecting the filtering effect of the filter plate and the sewage pretreatment effect; Therefore, we provide a sewage pretreatment device with separation and recovery functions to solve the above problems. Summary of the invention

[0004] 1. Technical issues to be resolved The problem to be solved by the present invention is to provide a sewage pretreatment device with separation and recovery functions to overcome the defects in the prior art.

[0005] (II) Technical solution In order to solve the technical problem, the present invention provides a sewage pretreatment device with separation and recovery function, comprising a body, a water inlet is arranged at the upper part of the body, a water outlet is arranged at the lower part of the body, avoidance convexities are arranged on both side walls of the body, a filter assembly located at the upper part of the avoidance convexity is rotatably arranged on the body, an adjustment assembly matched with the avoidance convexity is rotatably arranged on the body, a spray assembly matched with the filter assembly is arranged at the upper part of the body, and a recovery box matched with the adjustment assembly is arranged at the lower part of the body; The filter assembly includes a first gear and a second gear meshingly connected on the body, the axles of the first gear and the second gear are rotatably connected to the body, the axles of the first gear and the second gear are respectively fixedly connected to square shafts, each of the square shafts is connected to a filter plate, both ends of the filter plate are provided with magnetic strips, the filter plate is located at the lower side of the water inlet, two receiving plates are symmetrically arranged on the second gear, sensors corresponding to the receiving plates are arranged on the body, one end of each of the square shafts is fixedly connected to a driven wheel rotatably connected to the body, a first reduction motor connected to the driven wheel is arranged on the body, and when the sensor in the filter assembly detects the receiving plate, the two filter plates are flush and on the same horizontal line; The adjusting assembly comprises a rotating shaft rotatably connected to the body, a baffle located inside the body is fixedly connected to the rotating shaft, so that the side end of the baffle cooperates with the avoidance protrusion, an adjusting disk located outside the body is provided at one end of the rotating shaft, a handle and a locking groove are provided on the adjusting disk, two groups of limit slides are provided on the body, a locking rod is slidably connected in each group of the limit slides, one end of the locking rod cooperates with the locking groove, and a first spring is provided between the other end of the locking rod and the limit slide, so that the adjusting disk in the adjusting assembly drives the baffle to flip between the two avoidance protrusions; The spray assembly comprises a function box arranged at the side end of the body, a reciprocating screw rod is rotatably connected to the function box, a matching block is matched on the reciprocating screw rod, and a spray pipe located above the filter plate is connected to the matching block; The two side walls of the body are provided with matching grooves, a pressure plate is slidably connected to the matching groove, a second spring is connected between the pressure plate and the matching groove, and when one end of the baffle presses down the pressure plate, an opening is connected between the baffle and the recovery box.

[0006] When the filter assembly is filtering, one of the receiving plates on the second gear is always detected by the sensor, and the first reduction motor stops running. At this time, the two filter plates are in a flush state, and the adjacent magnetic strips of the two filter plates attract each other, so that there is no gap between the two filter plates; at the same time, the lock slot on the adjustment disk is matched with the lock rod on the limit slide arranged in the vertical direction, so that the baffle is parallel to the center line of the body, and the baffle is perpendicular to the two filter plates. The second reduction motor drives the reciprocating screw rod to operate, so that the spray pipe on the matching block moves to a side wall inside the body to prevent plastic bags, long objects and other waste garbage in the sewage entering the water inlet from falling around the spray pipe. The sewage preliminarily filtered by the filter plate falls into the bottom of the body, and the external water pump then transports the pre-filtered water at the bottom of the body to the subsequent purification equipment through the water outlet for purification treatment; When the body needs to be recycled, the locking rod arranged vertically on the body is first disengaged from the locking groove, and then the adjusting disk is rotated to make the locking groove on the adjusting disk cooperate with the tilted locking rod. In this process, the baffle follows the adjusting disk to flip from the vertical state to the tilted state, and one end of the baffle presses the pressure plate along the arc-shaped wall of the avoidance convexity. The pressure plate applies a force to the second spring to form an opening between the avoidance convexity and the recycling box, and the lower end of the inclined baffle is connected to the recycling box through the opening; then the first reduction motor is controlled to operate by the controller, and the control sensor stops working, so that the first reduction motor drives the two filter plates in the filter assembly to flip slowly and continuously through the driven wheel; at the same time, the controller controls the second reduction motor and the external water pump to operate, and the second reduction motor drives the reciprocating screw to operate, and the reciprocating screw drives the spray pipe on the matching block to move back and forth in a straight line above the filter plate, and the external water pump passes Clean water is extracted and transported to the first fixed pipe through the clean water pipe, and the first fixed pipe transports the clean water to the second fixed pipe through the spring pipe, and the clean water in the second fixed pipe is transported to the spray pipe through the inclined pipe, and the nozzle of the spray pipe flushes the two flipped filter plates, so that impurities such as plastic bags on the filter plates are washed and fall onto the inclined baffle plate, and the plastic bags and other impurities on the baffle plate slide into the recovery box under the action of gravity and water flow, and the water in the recovery box flows back to the bottom of the main body through the inclined hole; when the recovery operation is completed, the baffle plate is restored to its vertical original position, and the pressure plate is restored to its original position under the action of the second spring, so that the recovery box and the inner cabin of the main body are separated by the accordion cover, and the sensor is turned on again. When the sensor detects the receiving plate on the second gear, the first reduction motor stops running, and the two filter plates are in a working state to be filtered. When the matching block is in the initial position, the second reduction motor stops running.

[0007] Furthermore, a square hole is opened in the middle of the filter plate, the width of the square hole is slightly larger than the width of the square shaft, and the two filter plates are relatively rotated in the body through the first gear and the second gear.

[0008] Furthermore, the axis of the sensor and the filter plate are located on the same horizontal line, and when the second gear rotates half a circle, the filter plate turns over.

[0009] Furthermore, the two groups of the limiting slides are staggeredly installed on the main body, wherein one group of the limiting slides is vertically arranged relative to the center line of the main body, and the other group of the limiting slides is inclined relative to the center line of the main body.

[0010] Furthermore, the main body is also provided with an inclined hole connected with the bottom of the recovery box, and a filter is installed on the inclined hole.

[0011] Furthermore, the pressure plate is arranged in a convex shape, the convex end of the pressure plate cooperates with one end of the baffle, and an accordion cover is connected between the pressure plate and the bottom end of the matching groove.

[0012] Furthermore, one end of the function box is provided with a second reduction motor connected to the reciprocating screw rod, the lower end of the function box is provided with a limiting slide groove, and the lower end of the matching block is provided with a limiting protrusion matching with the limiting slide groove.

[0013] Furthermore, a second fixed tube is fixedly connected to the upper end of the matching block, an inclined tube is connected between the second fixed tube and the spray tube, a first fixed tube is connected to one side wall of the functional box, and a spring tube is connected between the first fixed tube and the second fixed tube.

[0014] Furthermore, the first fixed pipe is connected to an external clean water pipe, a bypass groove for avoiding the filter plate is arranged in the body, and an observation window is arranged on the function box.

[0015] (III) Beneficial effects Compared with the prior art, the sewage pretreatment device with separation and recovery function provided by the present invention has the following beneficial effects: 1. When the filter assembly of the present invention performs filtering work, one of the receiving plates on the second gear is always detected by the sensor, and the first reduction motor stops running. At this time, the two filter plates are in a flush state, and the adjacent magnetic strips of the two filter plates attract each other, so that there is no gap between the two filter plates; at the same time, the lock groove on the adjusting disk is matched with the lock rod on the limit slide arranged in the vertical direction, so that the baffle is parallel to the center line of the body, and the baffle is perpendicular to the two filter plates. The second reduction motor drives the reciprocating screw rod to operate, so that the spray pipe on the matching block moves to one side wall in the body, so as to avoid plastic bags, long strips and other waste garbage in the sewage entering the water inlet from falling around the spray pipe, and the sewage preliminarily filtered by the filter plate falls into the bottom of the body, and the external water pump then transports the pre-filtered water at the bottom of the body to the subsequent purification equipment through the water outlet for purification treatment, so as to achieve the effect of isolating long strips of debris such as plastic bags in sewage pretreatment, and avoid the situation where plastic bags and other easily entangled debris enter the purification equipment and cause damage to the equipment.

[0016] The cam is then rotated to move the locking plate in a direction of rotation so that the locking plate is in a state of rotation relative to the locking plate, and the locking plate is engaged with the locking plate by the spring, so that the cam is in a state of rotation relative to the locking plate.

[0017] 3. When the filter plate is washed, the controller controls the second reduction motor and the external water pump to operate. The second reduction motor drives the reciprocating screw to operate. The reciprocating screw drives the spray pipe on the matching block to move linearly above the filter plate. The external water pump extracts clean water and transports it to the first fixed pipe through the clean water pipe. The first fixed pipe transports the clean water to the second fixed pipe through the spring pipe. The clean water in the second fixed pipe is transported to the spray pipe through the inclined pipe. The nozzle of the spray pipe washes the two flipped filter plates, so that impurities such as plastic bags on the filter plates are washed and fall onto the inclined baffle. The impurities such as plastic bags on the baffle are washed and fall onto the inclined baffle. The particles slide down into the recovery box under the action of gravity and water flow, and the water in the recovery box flows back to the bottom of the main body through the inclined hole; when the recovery operation is completed, the baffle is restored to its vertical original position, and the pressure plate is restored to its original position under the action of the second spring, so that the recovery box and the inner cabin of the main body are separated by the accordion cover, and then the sensor is turned on until the sensor detects the receiving plate on the second gear, the first reduction motor stops running, and the two filter plates are in the working state to be filtered. When the matching block is in the initial position, the second reduction motor stops running, and the whole device returns to the filtering working state. The switching operation between the two working states of the device is simple and convenient, which brings convenience to the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 is a first stereogram of the present invention; Figure 2 is a second stereogram of the present invention; Figure 3 It is a front view of the present invention; Figure 4 is a side view of the present invention; Figure 5 is a cross-sectional view of the present invention; Figure 6 This is a diagram of the present invention in a recovery working state; Figure 7 This is a diagram of the present invention in a filtering working state; Figure 8 It is a schematic diagram of the structure of the filter assembly of the present invention; Fig. 9 It is a schematic diagram of the structure of the spray assembly of the present invention; Fig.10 It is a schematic diagram of the structure of the regulating component of the present invention; Fig.11 It is a schematic diagram of the structure of another state of the adjustment component of the present invention; The corresponding component names of the various reference numerals in the figure are: 1. Main body; 101. Water inlet; 102. Water outlet; 103. Avoidance convex; 104. Matching groove; 105. Oblique hole; 106. Avoidance groove; 2. Recycling bin; 3. Function box; 301. Observation window; 302. Reciprocating screw; 303. Matching block; 304. Limiting convex; 305. Spray pipe; 306. Oblique pipe; 307. Spray head; 4. Spring tube; 401. First fixed tube; 402. Second fixed tube; 5. Filter assembly; 501. First gear; 502. Second gear; 503. Receiving plate; 504. Square shaft; 505. Driven wheel; 6. Adjustment assembly; 601. baffle; 602. adjustment plate; 603. handle; 604. lock slot; 605. limit slide; 606. first spring; 607. lock rod; 7. First reduction motor; 8. Second reduction motor; 9. Sensor; 10. Filter plate; 11. Magnetic strip; 12. Square hole; 13. Pressing plate; 1301. Organ cover; 1302. Second spring. DETAILED DESCRIPTION

[0020] The present application is described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0022] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0023] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The drawings only show components related to the present application rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0024] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the examples can be practiced without these specific details.

[0025] The technical solutions provided by various embodiments of the present application are described below in conjunction with the accompanying drawings.

[0026] See also Figures 1 to 11The present invention provides a sewage pretreatment device with separation and recovery functions, including a body 1, a water inlet 101 is arranged on the upper part of the body 1, a water outlet 102 is arranged on the lower part of the body 1, avoidance protrusions 103 are arranged on both side walls of the body 1, a filter assembly 5 located on the upper part of the avoidance protrusion 103 is rotatably arranged on the body 1, an adjustment assembly 6 matched with the avoidance protrusion 103 is rotatably arranged on the body 1, a spray assembly matched with the filter assembly 5 is arranged on the upper part of the body 1, and a recovery box 2 matched with the adjustment assembly 6 is arranged on the lower part of the body 1; The filter assembly 5 includes a first gear 501 and a second gear 502 meshingly connected on the body 1, the axles of the first gear 501 and the second gear 502 are rotatably connected to the body 1, square shafts 504 are fixedly connected to the axles of the first gear 501 and the second gear 502 respectively, a filter plate 10 is connected to each square shaft 504, magnetic strips 11 are arranged at both ends of the filter plate 10, the filter plate 10 is located at the lower side of the water inlet 101, two receiving plates 503 are symmetrically arranged on the second gear 502, a sensor 9 corresponding to the receiving plates 503 is arranged on the body 1, one end of each square shaft 504 is fixedly connected to a driven wheel 505 rotatably connected to the body 1, a first reduction motor 7 connected to the driven wheel 505 is arranged on the body 1, and when the sensor 9 in the filter assembly 5 detects the receiving plate 503, the two filter plates 10 are flush and on the same horizontal line; The adjusting assembly 6 includes a rotating shaft rotatably connected to the body 1, and a baffle 601 located inside the body 1 is fixedly connected to the rotating shaft, so that the side end of the baffle 601 cooperates with the avoidance protrusion 103, and an adjusting disk 602 located outside the body 1 is provided at one end of the rotating shaft, and a handle 603 and a locking groove 604 are provided on the adjusting disk 602. Two groups of limiting slides 605 are provided on the body 1, and a locking rod 607 is slidably connected in each group of limiting slides 605, and one end of the locking rod 607 cooperates with the locking groove 604, and a first spring 606 is provided between the other end of the locking rod 607 and the limiting slide 605. The adjusting disk 602 in the adjusting assembly 6 drives the baffle 601 to flip between the two avoidance protrusions 103; The spray assembly includes a function box 3 arranged at the side end of the body 1, a reciprocating screw rod 302 is rotatably connected to the function box 3, a matching block 303 is matched on the reciprocating screw rod 302, and a spray pipe 305 located above the filter plate 10 is connected to the matching block 303; The two side walls of the body 1 are provided with matching grooves 104, and a pressure plate 13 is slidably connected to the matching grooves 104. A second spring 1302 is connected between the pressure plate 13 and the matching grooves 104. When one end of the baffle 601 presses down the pressure plate 13, an opening is connected between the baffle 601 and the recovery box 2. When the filter assembly 5 performs filtering work, one of the receiving plates 503 on the second gear 502 is always detected by the sensor 9, and the first reduction motor 7 stops running. At this time, the two filter plates 10 are in a flush state, and the adjacent magnetic strips 11 of the two filter plates 10 attract each other, so that there is no gap between the two filter plates 10; at the same time, the lock slot 604 on the adjustment disk 602 is matched with the lock rod 607 on the limit slide 605 arranged in the vertical direction, so that the baffle 601 is parallel to the center line of the body 1, and the baffle 601 is perpendicular to the two filter plates 10, and the second reduction motor 8 drives the reciprocating screw rod 302 to operate, so that the spray pipe 305 on the matching block 303 moves to a side wall in the body 1, so as to prevent plastic bags, long objects and other waste garbage in the sewage entering the water inlet 101 from falling around the spray pipe 305, and the sewage preliminarily filtered by the filter plate 10 falls into the bottom of the body 1, and the external water pump then transports the pre-filtered water at the bottom of the body 1 to the subsequent purification equipment through the water outlet 102 for purification treatment; When the body 1 needs to be recycled, the locking rod 607 arranged vertically on the body 1 is first disengaged from the locking groove 604, and then the adjusting disk 602 is rotated to make the locking groove 604 on the adjusting disk 602 cooperate with the tilted locking rod 607. In this process, the baffle 601 follows the adjusting disk 602 to flip from the vertical state to the tilted state, and one end of the baffle 601 presses the pressing plate 13 along the arc-shaped wall of the avoidance protrusion 103. The pressing plate 13 applies a force to the second spring 1302 to form an opening between the avoidance protrusion 103 and the recycling box 2, and the tilted baffle 601 is opened. The lower end of the plate 601 is connected to the recovery box 2 through an opening; the controller then controls the first reduction motor 7 to operate and controls the sensor 9 to stop working, so that the first reduction motor 7 drives the two filter plates 10 in the filter assembly 5 to perform slow and continuous flipping through the driven wheel 505; at the same time, the controller controls the second reduction motor 8 and the external water pump to operate, the second reduction motor 8 drives the reciprocating screw 302 to operate, and the reciprocating screw 302 drives the spray pipe 305 on the matching block 303 to perform a linear reciprocating movement above the filter plate 10, and the external water pump Clean water is extracted and transported to the first fixed pipe 401 through the clean water pipe, and the first fixed pipe 401 transports the clean water to the second fixed pipe 402 through the spring pipe 4, and the clean water in the second fixed pipe 402 is transported to the spray pipe 305 through the inclined pipe 306, and the nozzle 307 of the spray pipe 305 flushes the two flipped filter plates 10, so that impurities such as plastic bags on the filter plates 10 are flushed and fall onto the inclined baffle 601, and the impurities such as plastic bags on the baffle 601 slide into the recovery box 2 under the action of gravity and water flow, and the recovered The water in the collection box 2 flows back to the bottom of the main body 1 through the inclined hole 105; when the recovery operation is completed, the baffle 601 is restored to its vertical original position, and the pressure plate 13 is restored to its original position under the action of the second spring 1302, so that the recovery box 2 and the inner cabin of the main body 1 are separated by the accordion cover 1301, and then the sensor 9 is turned on until the sensor 9 detects the receiving plate 503 on the second gear 502, the first reduction motor 7 stops running, the two filter plates 10 are in a working state to be filtered, and when the matching block 303 is in the initial position, the second reduction motor 8 stops running.

[0027] See also Figures 1 to 9A square hole 12 is provided in the middle of the filter plate 10, and the width of the square hole 12 is slightly larger than the width of the square shaft 504. The two filter plates 10 are relatively operated in the body 1 through the first gear 501 and the second gear 502. The axis of the sensor 9 is located on the same horizontal line as the filter plate 10. The second gear 502 rotates half a circle, and the filter plate 10 turns over on one side. Two groups of limit slides 605 are installed on the body 1 in an offset manner, one group of limit slides 605 is vertically arranged relative to the center line of the body 1, and the other group of limit slides 605 is inclined relative to the center line of the body 1. The body 1 is also provided with an inclined hole 105 connected to the bottom of the recovery box 2, and a filter screen is installed on the inclined hole 105. The pressing plate 13 is arranged in a convex shape, and the convex end of the pressing plate 13 cooperates with one end of the baffle 601. An accordion cover 1301 is connected between the pressing plate 13 and the bottom end of the groove of the matching groove 104.

[0028] See also Figures 2 to 11 A second reduction motor 8 is provided at one end of the function box 3, which is transmission-connected to the reciprocating screw rod 302. A limiting slide groove is provided at the lower end of the function box 3. A limiting protrusion 304 which cooperates with the limiting slide groove is provided at the lower end of the matching block 303. A second fixed pipe 402 is fixedly connected to the upper end of the matching block 303. An inclined pipe 306 is connected between the second fixed pipe 402 and the spray pipe 305. A first fixed pipe 401 is connected to one side wall of the function box 3. A spring pipe 4 is connected between the first fixed pipe 401 and the second fixed pipe 402. The first fixed pipe 401 is connected to an external clean water pipe. An avoidance groove 106 for avoiding the filter plate 10 is provided in the main body 1. An observation window 301 is provided on the function box 3.

[0029] This embodiment provides a sewage pretreatment device with separation and recovery functions: When the body 1 needs to be recycled, the locking rod 607 arranged vertically on the body 1 is first disengaged from the locking groove 604, and then the adjusting disk 602 is rotated to make the locking groove 604 on the adjusting disk 602 cooperate with the tilted locking rod 607. In this process, the baffle 601 follows the adjusting disk 602 to flip from the vertical state to the tilted state, and one end of the baffle 601 presses the pressing plate 13 along the arc-shaped wall of the avoidance protrusion 103. The pressing plate 13 applies a force to the second spring 1302 to form an opening between the avoidance protrusion 103 and the recycling box 2, and the tilted baffle 601 is opened. The lower end of the plate 601 is connected to the recovery box 2 through an opening; the controller then controls the first reduction motor 7 to operate and controls the sensor 9 to stop working, so that the first reduction motor 7 drives the two filter plates 10 in the filter assembly 5 to perform slow and continuous flipping through the driven wheel 505; at the same time, the controller controls the second reduction motor 8 and the external water pump to operate, the second reduction motor 8 drives the reciprocating screw 302 to operate, and the reciprocating screw 302 drives the spray pipe 305 on the matching block 303 to perform a linear reciprocating movement above the filter plate 10, and the external water pump Clean water is extracted and transported to the first fixed pipe 401 through the clean water pipe, and the first fixed pipe 401 transports the clean water to the second fixed pipe 402 through the spring pipe 4, and the clean water in the second fixed pipe 402 is transported to the spray pipe 305 through the inclined pipe 306, and the nozzle 307 of the spray pipe 305 flushes the two flipped filter plates 10, so that impurities such as plastic bags on the filter plates 10 are flushed and fall onto the inclined baffle 601, and the impurities such as plastic bags on the baffle 601 slide into the recovery box 2 under the action of gravity and water flow, and the recovered The water in the collection box 2 flows back to the bottom of the main body 1 through the inclined hole 105; when the recovery operation is completed, the baffle 601 is restored to its vertical original position, and the pressure plate 13 is restored to its original position under the action of the second spring 1302, so that the recovery box 2 and the inner cabin of the main body 1 are separated by the accordion cover 1301, and then the sensor 9 is turned on until the sensor 9 detects the receiving plate 503 on the second gear 502, the first reduction motor 7 stops running, the two filter plates 10 are in a working state to be filtered, and when the matching block 303 is in the initial position, the second reduction motor 8 stops running.

[0030] The same and similar parts between the various embodiments in this specification can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0031] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A sewage pretreatment device with separation and recovery functions, comprising a main body (1), characterized in that: The upper part of the body (1) is provided with a water inlet (101), the lower part of the body (1) is provided with a water outlet (102), both side walls of the body (1) are provided with avoidance protrusions (103), a filter assembly (5) located above the avoidance protrusion (103) is rotatably provided on the body (1), an adjustment assembly (6) cooperating with the avoidance protrusion (103) is rotatably provided on the body (1), a spray assembly cooperating with the filter assembly (5) is provided on the upper part of the body (1), and a recovery box (2) cooperating with the adjustment assembly (6) is provided on the lower part of the body (1); The filter assembly (5) comprises a first gear (501) and a second gear (502) meshingly connected to the body (1); the axles of the first gear (501) and the second gear (502) are rotatably connected to the body (1); square shafts (504) are respectively fixedly connected to the axles of the first gear (501) and the second gear (502); each of the square shafts (504) is connected to a filter plate (10); both ends of the filter plate (10) are provided with magnetic strips (11); the filter plate (10) is located at the lower side of the water inlet (101). , two receiving plates (503) are symmetrically arranged on the second gear (502), a sensor (9) corresponding to the receiving plates (503) is arranged on the body (1), one end of each of the square shafts (504) is fixedly connected to a driven wheel (505) rotatably connected to the body (1), and a first reduction motor (7) connected to the driven wheel (505) is arranged on the body (1), and when the sensor (9) in the filter assembly (5) detects the receiving plates (503), the two filter plates (10) are flush and on the same horizontal line; The adjustment component (6) comprises a rotating shaft rotatably connected to the body (1), a baffle (601) located inside the body (1) being fixedly connected to the rotating shaft, so that the side end of the baffle (601) cooperates with the avoidance protrusion (103), one end of the rotating shaft is provided with an adjustment disk (602) located outside the body (1), the adjustment disk (602) is provided with a handle (603) and a locking groove (604), two groups of limit slides (605) are provided on the body (1), each group of the limit slides (605) is slidably connected with a locking rod (607), one end of the locking rod (607) cooperates with the locking groove (604), and a first spring (606) is provided between the other end of the locking rod (607) and the limit slide (605), and the adjustment disk (602) in the adjustment component (6) drives the baffle (601) to flip between the two avoidance protrusions (103); The spray assembly comprises a function box (3) arranged at a side end of the body (1), a reciprocating screw rod (302) being rotatably connected to the function box (3), a matching block (303) being matched to the reciprocating screw rod (302), and a spray pipe (305) located above the filter plate (10) being connected to the matching block (303); The two side walls of the body (1) are provided with matching grooves (104), a pressure plate (13) is slidably connected to the matching groove (104), a second spring (1302) is connected between the pressure plate (13) and the matching groove (104), and when one end of the baffle (601) presses down the pressure plate (13), an opening is connected between the baffle (601) and the recovery box (2).

2. The sewage pretreatment device with separation and recovery function as claimed in claim 1, characterized in that: A square hole (12) is provided in the middle of the filter plate (10), the width of the square hole (12) being slightly larger than the width of the square shaft (504). The two filter plates (10) are relatively rotated in the body (1) via a first gear (501) and a second gear (502).

3. The sewage pretreatment device with separation and recovery function as claimed in claim 1, characterized in that: The axis of the sensor (9) and the filter plate (10) are located on the same horizontal line, and when the second gear (502) rotates half a circle, the filter plate (10) turns over on one side.

4. The sewage pretreatment device with separation and recovery function as claimed in claim 1, characterized in that: The two groups of limit slides (605) are staggeredly installed on the body (1), one group of the limit slides (605) is vertically arranged relative to the center line of the body (1), and the other group of the limit slides (605) is inclined relative to the center line of the body (1).

5. The sewage pretreatment device with separation and recovery function as claimed in claim 1, characterized in that: The body (1) is also provided with an inclined hole (105) which is in communication with the bottom of the recovery box (2), and a filter screen is installed on the inclined hole (105).

6. The sewage pretreatment device with separation and recovery function as claimed in claim 1, characterized in that: The pressing plate (13) is arranged in a convex shape, the convex end of the pressing plate (13) cooperates with one end of the baffle (601), and an accordion cover (1301) is connected between the pressing plate (13) and the bottom end of the matching groove (104).

7. The sewage pretreatment device with separation and recovery function as claimed in claim 1, characterized in that: A second reduction motor (8) drivingly connected to the reciprocating screw (302) is disposed at one end of the function box (3), a limiting slide groove is provided at the lower end of the function box (3), and a limiting protrusion (304) cooperating with the limiting slide groove is provided at the lower end of the matching block (303).

8. The sewage pretreatment device with separation and recovery function as claimed in claim 7, characterized in that: The upper end of the matching block (303) is fixedly connected to a second fixed pipe (402), an inclined pipe (306) is connected between the second fixed pipe (402) and the spray pipe (305), a side wall of the functional box (3) is connected to a first fixed pipe (401), and a spring pipe (4) is connected between the first fixed pipe (401) and the second fixed pipe (402).

9. The sewage pretreatment device with separation and recovery function as claimed in claim 8, characterized in that: The first fixed pipe (401) is connected to an external clean water pipe, a bypass groove (106) for bypassing the filter plate (10) is provided in the body (1), and an observation window (301) is provided on the function box (3).

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