Circulating filtration device for squid salting wastewater
By designing a Y-shaped treatment channel and an automatic switching mechanism, the problem of filter clogging in squid salt wastewater treatment was solved, achieving efficient automatic backwashing and pump protection, thus improving the treatment efficiency and equipment lifespan of squid salt wastewater.
Patent Information
- Application Number
- CN202511531733.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-24
- Publication Date
- 2026-01-02
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
Figure CN121243852A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of circulating filtration devices, and more particularly to a circulating filtration device for squid salting wastewater. Background Technology
[0002] The squid salting wastewater recycling filtration device is a device used to treat and recycle the salt wastewater generated during the squid salting process.
[0003] Salting squid is a common pretreatment or preservation process in squid processing. By pickling squid in brine, the shelf life can be extended and the taste and flavor can be improved. It is one of the basic technologies in squid processing.
[0004] The brine used for pickling squid can be contaminated by squid fragments and small impurities, which can contaminate the next batch of squid. If the contaminated brine is discharged directly, it will increase the cost of squid pickling and cause environmental pollution. Therefore, the pickling wastewater needs to be treated and reused. However, during the treatment of the pickling wastewater, the presence of squid fragments, small impurities, and other impurities can clog the filter screen during the filtration process.
[0005] The method for cleaning clogged filters is backflushing, which is usually done using automated devices. However, the electronic sensors used in these automated devices are easily corroded in harsh environments such as salty wastewater, causing them to malfunction and preventing the backflushing device from performing automatic backflushing. This results in poor treatment of the pickling wastewater. Furthermore, backflushing requires stopping the filter, leading to low treatment efficiency. In addition, the pump's repeated switching between forward and reverse rotation can also cause some impact damage to the pump itself.
[0006] Therefore, we provide a squid salting wastewater recycling and filtration device. Summary of the Invention
[0007] The purpose of this invention is to address the aforementioned technical problems by providing a circulating filtration device for squid salting wastewater, achieving automatic backwashing, high efficiency in treating pickling wastewater, good treatment effect, and extended service life of the pump body.
[0008] In view of this, the present invention provides a squid salting wastewater recycling and filtration device, including a wastewater treatment body and a treatment channel disposed inside the wastewater treatment body. The wastewater treatment body is provided with a switching mechanism, the treatment channel is provided with a control mechanism, and the peripheral surface of the treatment channel is provided with a triggering mechanism.
[0009] The switching mechanism includes a switching rod and connecting rods disposed at both ends of the switching rod;
[0010] A push rod is provided on the side of the switching lever near the control mechanism, and one end of the push rod extends into the interior of the control mechanism.
[0011] The control mechanism includes a control compartment and a slide rod that extends movably to the outside of the control compartment at both ends. Both ends of the slide rod extend to the outside of the control compartment, and a sealing block is fixedly connected to each end of the slide rod. A control panel is fixedly installed in the middle of the slide rod. Two push blocks are fixedly installed on one side of the control panel. A first spring is fixedly installed on the side of the control panel away from the push blocks. The other end of the first spring is fixedly connected to the inner wall of the control compartment. Two symmetrical trigger discs are fixedly installed on the outside of the slide rod. The trigger discs are located inside the control compartment. Timer switches are fixedly installed on opposite sides of the inner wall of the control compartment.
[0012] Preferably, a second rotating shaft is rotatably mounted in the middle of the switching rod, and the circumference of the second rotating shaft is rotatably connected to one end of the push rod. A first rotating shaft is rotatably mounted at both ends of the switching rod. There are two sets of first rotating shafts, with two shafts in each set. The circumference of the two first rotating shafts is rotatably connected to one end of the connecting rod. The two connecting rods are rotatably connected to the triggering mechanism through the other two first rotating shafts. A support shaft is eccentrically and rotatably mounted on the switching rod, and both ends of the support shaft are rotatably connected to the inner wall of the wastewater treatment body.
[0013] Preferably, the triggering mechanism includes a filter screen, a sliding groove, and a sliding block that is fixedly connected to the periphery of the filter screen and is symmetrical in shape. A support rod is slidably connected inside the sliding block, with both ends of the support rod extending to the outside of the sliding block. Both ends of the support rod are fixedly connected to the inner wall of the sliding groove. A spring is fixedly installed on one side of the sliding block, and the other end of the spring is fixedly connected to the inner wall of the sliding groove. The spring is sleeved on the outer side of the lower half of the support rod. A magnetic ring is provided on the outer side of the processing channel.
[0014] Preferably, the sliding groove is formed on the inner wall of the processing channel, and there are two sliding grooves symmetrically distributed, and there are two triggering mechanisms.
[0015] Preferably, the processing channel is inverted Y-shaped, and a groove is provided on the outer side of the processing channel.
[0016] Preferably, two symmetrically distributed limiting rods are fixedly installed on the inner wall of the magnetic ring. The limiting rods are slidably connected to the inner wall of the slide groove. There are two sets of limiting rods and two slide grooves in each set.
[0017] Preferably, the push rod is Y-shaped, and the upper end of the push rod is provided with an inclination angle, and the control panel is disposed on the upper end of the push rod.
[0018] Preferably, the sealing block is frustoconical, and the sealing block is pressed and adhered to the inner wall of the processing channel.
[0019] Preferably, a sewage pipe is fixedly installed on one side of the treatment channel. There are two sewage pipes, and the inside of each sewage pipe is connected to the treatment channel. The other end of the sewage pipe extends to the outside of the wastewater treatment body and is fixedly installed with a collection chamber. Two backflush pipes are fixedly installed on the outside of the treatment channel, and a pump casing is fixedly installed in the middle of each of the two backflush pipes.
[0020] Preferably, an isolation layer is fixedly installed on the inner wall of the wastewater treatment body, and a storage chamber is provided on the lower side of the isolation layer. The backflushing pipe extends through the isolation layer to the side away from the treatment channel and communicates with the interior of the storage chamber.
[0021] Compared with the prior art, the present invention provides a circulating filtration device for squid salting wastewater, which has the following beneficial effects:
[0022] 1. This invention, by setting the processing channel in a Y-shape, can achieve the purpose of diversion filtration, ensuring that the filtration and backwashing of pickling wastewater are carried out simultaneously, reducing downtime, and thus achieving a high efficiency in pickling wastewater treatment.
[0023] 2. This invention, by setting a switching mechanism, can automatically rotate when one of the filters becomes clogged, eliminating the need for manual control, and allows the other filter to perform the filtering work while the clogged filter stops working. This ensures that the filtration device can complete the filtering and backwashing work without stopping the machine, achieving a high efficiency in treating pickling wastewater.
[0024] 3. This invention, by setting a control mechanism, can control the switching between opening and closing inside the filter tube, ensuring that backwashing and filtration work are carried out simultaneously, while avoiding repeated forward and reverse switching of the pump body used for filtration, thereby achieving the effect of extending the service life of the pump body and achieving high efficiency in treating pickling wastewater.
[0025] 4. In this invention, by setting a triggering mechanism, the switching mechanism can be activated when the filter screen becomes clogged, thereby switching the filter screen, stopping the clogged filter screen and starting the other filter screen, thus achieving the effects of automatic backwashing and high efficiency in treating pickling wastewater.
[0026] 5. This invention, by setting a timer switch, can control the operation of the pump body inside the pump casing for backflushing and the control valve between the sewage pipe and the treatment channel, achieving an automatic backflushing effect. Through backflushing, the filtration effect of the filter screen can be restored to its initial state, thereby achieving the purpose of good treatment effect for pickling wastewater.
[0027] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This invention has a simple structure and is easy to operate. Attached Figure Description
[0028] Figure 1 This is a schematic diagram of the overall structure of a squid salting wastewater recycling and filtration device proposed in this invention;
[0029] Figure 2 This is a schematic cross-sectional view of a squid salting wastewater recycling and filtration device proposed in this invention.
[0030] Figure 3 This is a schematic diagram of the treatment channel structure of a squid salting wastewater recycling filtration device proposed in this invention;
[0031] Figure 4 This is a schematic diagram of the cross-sectional structure of the treatment channel of a squid salting wastewater recycling filtration device proposed in this invention;
[0032] Figure 5 This invention provides a circulating filtration device for squid salting wastewater. Figure 4 Enlarged schematic diagram of the structure at point A in the middle;
[0033] Figure 6 This is a schematic diagram of the switching mechanism of a squid salting wastewater recycling filtration device proposed in this invention;
[0034] Figure 7 This is a side view of the switching mechanism of a squid salt wastewater recycling filtration device proposed in this invention.
[0035] Figure 8 This invention provides a circulating filtration device for squid salting wastewater. Figure 7 Enlarged schematic diagram of the structure at point B;
[0036] Figure 9 This is a schematic diagram of the triggering mechanism of a squid salting wastewater recycling filtration device proposed in this invention;
[0037] Figure 10 This is a schematic diagram of the control mechanism of a squid salting wastewater recycling and filtration device proposed in this invention;
[0038] Figure 11 This is a schematic diagram of the spring cross-section structure of a squid salt wastewater recycling filtration device proposed in this invention.
[0039] In the diagram: 1. Wastewater treatment main body; 2. Treatment channel; 3. Switching mechanism; 4. Triggering mechanism; 5. Pump casing; 6. Storage chamber; 7. Collection chamber; 8. Sewage pipe; 9. Backflush pipe; 10. Control mechanism; 11. Isolation layer; 31. Switching rod; 32. Support shaft; 33. Connecting rod; 34. Push rod; 35. Rotating shaft one; 36. Rotating shaft two; 41. Magnetic ring; 42. Filter screen; 43. Spring; 44. Sliding block; 45. Sliding groove; 46. Slide groove; 47. Limiting rod; 48. Support rod; 101. Sealing block; 102. Sliding rod; 103. First spring; 104. Control panel; 105. Triggering panel; 106. Control chamber; 107. Timer switch; 108. Push block. Detailed Implementation
[0040] The technical solutions 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 some embodiments of the present invention, and not all embodiments.
[0041] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.
[0042] Example: A circulating filtration device for squid salting wastewater, such as Figures 1-11As shown, the system includes a wastewater treatment main body 1, with an isolation layer 11 fixedly installed on the inner wall of the middle section of the wastewater treatment main body 1. A storage chamber 6 is located below the isolation layer 11, used to store the brine solution after treatment of the pickling wastewater. The system also includes a treatment channel 2 located inside the wastewater treatment main body 1. The treatment channel 2 is made of polyethylene and is inverted Y-shaped. This inverted Y-shaped treatment channel 2 can achieve the purpose of diverting the pickling wastewater for treatment. When one of the filters 42 in the treatment channel 2 becomes clogged and undergoes backflushing, the other filter 42 can simultaneously perform filtration, ensuring that filtration and backflushing work are carried out together, reducing downtime, and thus achieving the desired pickling effect. The treatment channel 2 has a high efficiency in treating wastewater. A chute 46 is provided on the outside of the treatment channel 2. The chute 46 can guide and stabilize the movement of the magnetic ring 41, ensuring that the magnetic ring 41 will not deviate or rotate during the movement, thus achieving a stable operation of the magnetic ring 41. A magnetic ring 41 is provided on the outside of the treatment channel 2. Two symmetrically distributed limiting rods 47 are fixedly installed on the inner wall of the magnetic ring 41. The limiting rods 47 can restrict the rotation of the magnetic ring 41, ensuring that the magnetic ring 41 will not rotate during the movement. The limiting rods 47 are slidably connected to the inner wall of the chute 46. There are two sets of limiting rods 47 and chute 46, with two in each set.
[0043] The wastewater treatment unit 1 is equipped with a switching mechanism 3. This mechanism automatically rotates when one of the filter screens 42 becomes clogged, eliminating the need for manual control and allowing the other filter screen 42 to begin filtration. The clogged filter screen 42 stops filtering, ensuring that the wastewater treatment unit 1 can complete filtration and backwashing without shutting down, achieving high efficiency in treating pickling wastewater. The treatment channel 2 is equipped with a control mechanism 10, which maintains a certain distance from the two channel interfaces of the treatment channel 2, thus preventing blockage. When the push rod 34 moves away from the pushing block 108, the pushing block 108 loses the pushing force of the push rod 34 and moves back to its initial position under the support of the first spring 103. Simultaneously, the first spring 103 unfolds, allowing the control panel 104 to slide the slide rod 102. The sealing block 101 moves out of the pipe of the treatment channel 2, and another sealing block 101 enters the pipe of another treatment channel 2. At this time, the push block 108 returns to its initial position, and is positioned above the push rod 34. This ensures that when the control mechanism 10 performs the next switch, the push block 108 can accurately contact the push rod 34. The control mechanism 10 can control the switching between open and closed states inside the treatment channel 2, ensuring that backflushing and filtration work occur simultaneously. This avoids repeated forward and reverse switching of the filtration pump, thus extending the pump's lifespan and achieving high efficiency in treating pickled wastewater. Triggers are provided on the peripheral surface of the treatment channel 2. Mechanism 4, the triggering mechanism 4, can trigger the operation of the switching mechanism 3 when the filter screen 42 becomes clogged, thus completing the filtration switch, stopping the clogged filter screen 42 and starting the filtration of another filter screen 42, thereby achieving the effect of automatic backwashing and high efficiency in treating pickling wastewater. The triggering mechanism 4 includes the filter screen 42, the sliding groove 45, and the sliding block 44, which is fixedly connected to the periphery of the filter screen 42 and is symmetrically arranged. The sliding block 44 is made of magnetic material, so it can attract each other with the magnetic ring 41. A support rod 48 is slidably connected inside the sliding block 44. The support rod 48 provides guidance and stability for the sliding of the sliding block 44 and the contraction and expansion of the spring 43. Both ends of the support rod 48 extend to the outside of the sliding block 44, and both ends of the support rod 48 are attached to the inner wall of the sliding groove 45. A fixed connection is established, with a spring 43 fixedly installed on one side of the sliding block 44. The spring 43 is made of 316 stainless steel, ensuring stable operation in the brine wastewater. The spring 43 maintains the position of the filter screen 42 during filtration, preventing accidental sliding and triggering of the switching mechanism 3, thus ensuring the stability of filtration during brine wastewater treatment. Simultaneously, the spring 43 provides assistance during filter screen 42 switching. The spring force of the spring 43 cannot independently support the operation of the switching mechanism 3; it only assists and stabilizes the filter screen 42. During backwashing, the backwashed filter screen 42 may move slightly, but this will not trigger the switching mechanism 3. The switching mechanism 3 only activates when the filter screen 42 becomes clogged.Only when the saline wastewater exerts a large thrust on the filter screen 42 can the switching mechanism 3 be supported. The switching rod 31 is divided into two parts by the support shaft 32, namely L1 and L2. Since the support shaft 32 is eccentrically installed, the length of L1 is greater than the length of L2. The length of the connecting rod 33 near L1 is less than that near L2. Thus, the difference in length of the two connecting rods 33 can compensate for the displacement difference caused by the difference in the length of the lever arm, thereby ensuring the normal operation of the device. The other end of the spring 43 is fixedly connected to the inner wall of the sliding groove 45, and the spring 43 is sleeved on the outer side of the lower half of the support rod 48. The sliding groove 45 is opened in the inner wall of the treatment channel 2, and the inner wall of the sliding groove 45 is installed with A limiting wedge is provided, with a limiting spring fixedly installed on one side of the limiting wedge. Initially, the filter screen 42 near L1 is at its lowest point. Supported by the limiting spring, the limiting wedge limits the sliding block 44 near L1, thus limiting the filter screen 42 near L1. When the filter screen 42 near L2 becomes clogged, the thrust of the brine wastewater increases, causing the filter screen 42 near L2 to move. This, in turn, moves the sliding block 44 near L2. Simultaneously, both the filter screen 42 and the sliding block 44 near L1 move upwards, pressing against the limiting wedge. When the pressing force exceeds the supporting force of the limiting spring, the limiting wedge... As the filter screen 42 moves further into the sliding groove 45, the sliding block 44 near the L1 end moves the filter screen 42 near the L1 end. When the filter screen 42 and the sliding block 44 near the L2 end move to another limiting inclined block, the sliding block 44 near the L2 end presses against the limiting inclined block, causing the limiting inclined block to enter the sliding groove 45. Simultaneously, the filter screen 42 and the sliding block 44 near the L2 end continue to move downwards. When the groove of the sliding block 44 near the L2 end aligns with the limiting inclined block, the limiting inclined block, supported by a limiting spring, limits the sliding block 44 near the L2 end. At this point, the filter screen 42 near the L2 end stops moving, thus completing the alignment of the filter screen 42. The switching of the filter 42 near L1 and the limiting of the filter 42 near L2 ensure that the filter 42 near L2 will not be accidentally triggered by the thrust during backflow or filtration by the filter 42 near L1. The limiting wedge can only be squeezed into the inner wall of the sliding groove 45 by the greater thrust generated when the filter 42 is clogged. When the filter 42 moves away from the limiting wedge, the limiting wedge is pushed back by the limiting spring, which does not affect the overall operation of the spring 43. When the filter 42 near L1 becomes clogged, the above steps are reversed to complete the switching of the filter 42 and the limiting of the limiting wedge. There are two symmetrically distributed sliding grooves 45, and two triggering mechanisms 4.
[0044] The switching mechanism 3 includes a switching rod 31, which acts as a seesaw, enabling simultaneous switching between open and blocked states in the processing channel 2, thus achieving automatic switching. The switching rod 31 also provides support for the push rod 34, ensuring its accurate operation and stable switching. Connecting rods 33 are located at both ends of the switching rod 31. The push rod 34 is Y-shaped, allowing it to enter the control mechanism 10 and push the push block 108. This push causes the slide bar 102 to move. The Y-shaped push rod 34 provides space for its own movement and that of the slide bar 102, ensuring smooth switching of the control mechanism 10. The two sides of the Y-shaped push rod 34 can push both push blocks 108, preventing one-sided pushing. The eccentricity ensures accurate transmission of thrust, achieving accurate switching of the control mechanism 10. Furthermore, the push rod 34 has an inclined angle at its upper end. This angle, when in contact with the push block 108, allows the vertical pressure to be transmitted along the inclined edge, alleviating the vertical thrust on the push rod 34. Simultaneously, it provides guidance for the movement of the push block 108, ensuring its smooth movement. This results in structural stability of the switching mechanism 3 and stable operation of the control mechanism 10. A push rod 34 is located on the side of the switching rod 31 closest to the control mechanism 10, with one end extending into the control mechanism 10. The control mechanism 10 includes a control chamber 106 and a sliding rod 10 that extends movably through both ends to the outside of the control chamber 106. 2. Both ends of the slide rod 102 extend to the outside of the control chamber 106. A sealing block 101 is fixedly connected to both ends of the slide rod 102. The sealing block 101 is frustoconical. When the frustoconical sealing block 101 is inserted into the processing channel 2, its inclined side can be deformed by compression to fill minor defects in the inner wall of the pipe, reducing dead angles in the seal. The sealing block 101 is made of nitrile rubber to ensure a good seal and prevent impurities from entering the other channel of the normally functioning processing channel 2 when the backflushing filter 42 is used, thus achieving a good seal. The sealing block 101 is pressed and adhered to the inner wall of the processing channel 2. A control panel 104 is fixedly installed in the middle of the slide rod 102. The control panel 104 is located on the upper end of the push rod 34. Two push blocks 108 are fixedly installed on one side of the control panel 104. The push block 108 is half of a sphere. The arc shape of the sphere allows the push rod 34 to move the push block 108 with minimal effort. A first spring 103 is fixedly installed on the side of the control disc 104 away from the push block 108. The other end of the first spring 103 is fixedly connected to the inner wall of the control chamber 106. Two symmetrical trigger discs 105 are fixedly installed on the outer side of the slide rod 102. The trigger discs 105 are located inside the control chamber 106. Timer switches 107 are fixedly installed on opposite sides of the inner wall of the control chamber 106. The timer switches 107 can control the operation of the pump body inside the pump housing 5 for backflushing and the control valve between the sewage pipe 8 and the treatment channel 2. The timer switches 107, the pump body inside the pump housing 5, and the control valve are existing technologies and will not be described in detail here, nor are they shown in the figure.By controlling the pump body and control valve inside the pump casing 5 through the timer switch 107, an automatic backwashing effect can be achieved. Backwashing restores the filtration efficiency of the filter screen 42 to its initial state, thus achieving a good treatment effect for pickling wastewater.
[0045] Among them, a rotating shaft 36 is rotatably installed in the middle of the switching rod 31. The circumference of the rotating shaft 36 is rotatably connected to one end of the push rod 34. Both ends of the switching rod 31 are rotatably installed with rotating shafts 35. There are two sets of rotating shafts 35, with two in each set. The circumference of the two rotating shafts 35 is rotatably connected to one end of the connecting rod 33. The two connecting rods 33 are rotatably connected to the triggering mechanism 4 through the other two rotating shafts 35. The switching rod 31 is eccentrically and through-rotatably installed with a support shaft 32. The eccentrically installed support shaft 32 can provide a turning angle for the push rod 34 to ensure that the push rod 34 can move. Both ends of the support shaft 32 are rotatably connected to the inner wall of the wastewater treatment body 1.
[0046] Among them, a sewage pipe 8 is fixedly installed on one side of the treatment channel 2. There are two sewage pipes 8, and the inside is connected to the treatment channel 2. The other end of the sewage pipe 8 extends to the outside of the wastewater treatment body 1 and is fixedly installed with a collection chamber 7. Two backflush pipes 9 are fixedly installed on the outside of the treatment channel 2. A pump casing 5 is fixedly installed in the middle of each of the two backflush pipes 9. A one-way valve is installed at the connection between the backflush pipe 9 and the treatment channel 2. The one-way valve is existing technology and will not be described in detail here. It is not shown in the figure. The end of the backflush pipe 9 away from the treatment channel 2 extends to the side of the isolation layer 11 and is connected to the inside of the storage chamber 6.
[0047] By setting up a Y-shaped treatment channel 2 to form two independent treatment channels, and with two sets of triggering mechanisms 4 each carrying a filter screen 42, a parallel working mode of one channel filtering and the other channel backflushing can be realized. When one of the filter screens 42 is blocked, the switching mechanism 3 automatically switches it to the backflushing state, and the other filter screen 42 continues to filter, avoiding the problem that traditional single-channel filtration must stop due to backflushing, and the treatment efficiency of pickling wastewater is improved.
[0048] The triggering mechanism 4 triggers the switching mechanism 3 through the thrust of the brine wastewater when the filter screen 42 is blocked. The control mechanism 10 synchronously switches the unblocking state of the sealing block 101. In conjunction with the timer switch 107, the pump body inside the pump casing 5 is controlled to achieve full automation of the process of blockage detection, automatic switching, backflushing cleaning and impurity discharge. No manual intervention is required, and the brine wastewater treatment efficiency is high.
[0049] Traditional backflushing relies on the pump body reversing, while the control mechanism 10 switches the open / closed state through the sealing block 101, eliminating the need for the pump body to repeatedly reverse, thereby reducing the mechanical wear of the pump body and extending its service life.
[0050] In the prior art, the detection of filter screen 42 blockage mostly relies on pressure sensors, which results in high cost and susceptibility to interference from saline wastewater. In addition, it requires manual observation and control. However, this device monitors the position of filter screen 42 by sliding the magnetic ring 41 with the groove 46 on the processing channel 2 and attracting the sliding block 44, thus achieving sensorless, low-cost blockage detection and stronger resistance to interference from saline wastewater.
[0051] In the prior art, the sealing block 101 and the push rod 34 are mostly designed independently, which can easily lead to sealing failure due to thrust eccentricity. However, this device uses a frustum-shaped sealing block 101 and a Y-shaped push rod 34 to cooperate, which fills the pipeline defect through the inclined surface of the frustum and avoids thrust eccentricity through the Y-shaped structure, thus solving the problem of poor sealing during switching.
[0052] In existing technologies, backflushing often relies on frequent forward and reverse rotation of the pump body, resulting in high losses and reduced pump life. This device switches the opening and closing of the channel through the control mechanism 10, and the timer switch 107 controls the pump body inside the pump casing 5 to run in one direction only, using the brine in the storage tank 6 for backflushing. There is no need for the pump body to reverse, which ensures the backflushing effect and extends the pump life. It is an optimization of the traditional backflushing logic.
[0053] The output force of the pump body inside the pump casing 5 is much smaller than the conveying force of the saline wastewater entering the treatment channel 2. It can only be used to clean the impurities on the filter screen 42. Because the unblocked filter screen 42 is subjected to a small thrust, the filter screen 42 at this location will not move in a way that affects the operation of the switching mechanism 3.
[0054] Working principle: When filtering brine wastewater, filter screen 42 filters the wastewater. When filter screen 42 becomes clogged, it moves, simultaneously exerting a pushing force on spring 43. Spring 43 contracts, and filter screen 42 drives sliding block 44 to continue moving. The movement of sliding block 44 drives magnetic ring 41 to move. At this time, the movement of magnetic ring 41 exerts a pushing force on connecting rod 33. The connected rod 33, under the pushing force, presses one end of switching rod 31 downward. At the same time, connected rod 33 rotates under the support of support shaft 32, and the other end of switching rod 31 moves upward. The connecting rod 33 moves upward, pushing the other magnetic ring 41, which has already been flushed, upward. The magnetic ring 41 moves under the support of the limiting rod 47, while the slide groove 46 provides guidance for the limiting rod 47. The movement of the magnetic ring 41 drives the sliding block 44. With the movement of the sliding block 44, the flushed filter screen 42 begins to return to its initial position. Simultaneously, the rotation of the switching rod 31 moves the push rod 34 closer to the inside of the control mechanism 10. When the push rod 34 reaches the pushing block 108, it presses against the pushing block 108. 08 is squeezed and moves to one side. At the same time, the control panel 104 moves. Driven by the control panel 104, the slide rod 102 slides on the inner wall of the control chamber 106. At this time, the sealing block 101 can be driven by the slide rod 102 to move away from one pipe of the processing channel 2 to release the seal. The other sealing block 101 moves at the same time to seal the other pipe of the processing channel 2. The slide rod 102 simultaneously drives the trigger plate 105 to move. The trigger plate 105 squeezes the timer switch 107. The other trigger plate 105 moves away from the other timer switch 107. The squeezed timer switch 107 controls the pump housing 5. The control valve between the pump body and the drain pipe 8 and the treatment channel 2 is opened. At the same time, the pump body inside the pump housing 5 draws out the brine from the storage chamber 6 and enters the treatment channel 2 through the backwash pipe 9, thereby backwashing the impurities on the filter screen 42. The flushed impurities move forward to the treatment channel 2 and the drain pipe 8. The impurities flow through the drain pipe 8 into the collection chamber 7, thus completing the backwash. The timer switch 107 can close the pump body and control valve inside the pump housing 5, and the backwash ends. When another filter screen 42 becomes clogged, the above steps can be used to switch again.
[0055] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.
Claims
1. A circulating filtration device for squid salting wastewater, comprising a wastewater treatment body (1) and a treatment channel (2) disposed inside the wastewater treatment body (1), characterized in that, The wastewater treatment body (1) is equipped with a switching mechanism (3), the treatment channel (2) is equipped with a control mechanism (10), and the treatment channel (2) is equipped with a triggering mechanism (4) on its peripheral surface. The switching mechanism (3) includes a switching rod (31) and connecting rods (33) disposed at both ends of the switching rod (31); The switching lever (31) is provided with a push rod (34) on the side near the control mechanism (10), and one end of the push rod (34) extends into the control mechanism (10); The control mechanism (10) includes a control chamber (106) and a slide rod (102) with both ends extending movably to the outside of the control chamber (106). Both ends of the slide rod (102) are fixedly connected to sealing blocks (101). A control disk (104) is fixedly installed in the middle of the slide rod (102). Two push blocks (108) are fixedly installed on one side of the control disk (104). A first spring (103) is fixedly installed on the side of the control disk (104) away from the push blocks (108). The other end of the first spring (103) is fixedly connected to the inner wall of the control chamber (106). Two symmetrical trigger disks (105) are fixedly installed on the outside of the slide rod (102). The trigger disks (105) are located inside the control chamber (106). Timer switches (107) are fixedly installed on opposite sides of the inner wall of the control chamber (106).
2. The squid salting wastewater recycling and filtration device according to claim 1, characterized in that, The switching rod (31) is rotatably mounted with a support shaft (32), and the connection between the support shaft (32) and the switching rod (31) is eccentrically set. Both ends of the support shaft (32) are rotatably connected to the inner wall of the wastewater treatment body (1).
3. The squid salting wastewater recycling and filtration device according to claim 2, characterized in that, A second rotating shaft (36) is rotatably mounted in the middle of the switching rod (31). The second rotating shaft (36) is rotatably connected to one end of the push rod (34). A first rotating shaft (35) is rotatably mounted at both ends of the switching rod (31). There are two sets of first rotating shafts (35), with two shafts in each set. The two first rotating shafts (35) are rotatably connected to one end of the connecting rod (33). The two connecting rods (33) are rotatably connected to the triggering mechanism (4) through the other two first rotating shafts (35).
4. The squid salting wastewater recycling and filtration device according to claim 3, characterized in that, The triggering mechanism (4) includes a filter screen (42), a sliding groove (45), and a sliding block (44) fixedly connected to the periphery of the filter screen (42) and symmetrically arranged. A support rod (48) is slidably connected inside the sliding block (44). Both ends of the support rod (48) extend to the outside of the sliding block (44). Both ends of the support rod (48) are fixedly connected to the inner wall of the sliding groove (45). A spring (43) is fixedly installed on one side of the sliding block (44). The other end of the spring (43) is fixedly connected to the inner wall of the sliding groove (45). The spring (43) is sleeved on the outer side of the lower half of the support rod (48). A magnetic ring (41) is provided on the outside of the processing channel (2). The sliding groove (45) is opened on the inner wall of the processing channel (2). There are two sliding grooves (45) symmetrically distributed. There are two triggering mechanisms (4).
5. The squid salting wastewater recycling and filtration device according to claim 4, characterized in that, The processing channel (2) is inverted Y-shaped, and a groove (46) is provided on the outer side of the processing channel (2).
6. The squid salting wastewater recycling and filtration device according to claim 5, characterized in that, Two symmetrically distributed limiting rods (47) are fixedly installed on the inner wall of the magnetic ring (41). The limiting rods (47) are slidably connected to the inner wall of the slide groove (46). The limiting rods (47) and the slide groove (46) are in two sets, with two rods in each set.
7. The squid salting wastewater recycling and filtration device according to claim 1, characterized in that, The push rod (34) is Y-shaped and has an inclined angle at its upper end. The control panel (104) is located at the upper end of the push rod (34).
8. The squid salting wastewater recycling and filtration device according to claim 1, characterized in that, The sealing block (101) is frustoconical, and the sealing block (101) is pressed and adhered to the inner wall of the processing channel (2).
9. A squid salting wastewater recycling and filtration device according to claim 5, characterized in that, A sewage pipe (8) is fixedly installed on one side of the treatment channel (2). There are two sewage pipes (8) and their interiors are connected to the treatment channel (2). The other end of the sewage pipe (8) extends to the outside of the wastewater treatment body (1) and a collection chamber (7) is fixedly installed thereon. Two backflush pipes (9) are fixedly installed on the outside of the treatment channel (2). A pump casing (5) is fixedly installed in the middle of each of the two backflush pipes (9).
10. A squid salting wastewater recycling and filtration device according to claim 9, characterized in that, An isolation layer (11) is fixedly installed on the inner wall of the wastewater treatment body (1). A storage chamber (6) is provided on the lower side of the isolation layer (11). The two backflushing pipes (9) extend from the treatment channel (2) to the side of the isolation layer (11) and communicate with the inside of the storage chamber (6).