CN212283182U - Seafood restaurant water circulation system - Google Patents

Abstract

The utility model relates to a seafood restaurant water circulation system, which comprises a waste water tank and a filter tank, wherein the waste water tank is communicated with the filter tank through a water pump and a pipeline, a plurality of filter plates are vertically and sequentially arranged in the filter tank, the aperture of each filter plate is sequentially reduced from top to bottom, the outer peripheral surface of each filter plate is provided with an annular plate, the annular plates are filled with filter materials, and the volumes of the filter materials in the annular plates are sequentially reduced from top to bottom; a plurality of passages are formed in one side of the filtering tank, a first rubber sleeve is fixedly connected to the inner peripheral surface of each passage, the annular plates are connected to the passages in a sliding mode in the width direction of the filtering tank in a one-to-one correspondence mode, a driving device used for driving the annular plates to move towards the outside of the filtering tank is installed outside the filtering tank, and a supporting component is arranged on the inner wall of the filtering tank corresponding to each annular plate. The utility model discloses a carry out periodic replacement to the filter material to can alleviate the influence to the filtration efficiency of water.

Description

Seafood restaurant water circulation system

Technical Field

The utility model belongs to the technical field of water cycle uses technique and specifically relates to a seafood dining room water circulating system is related to.

Background

Geographically, the seafood restaurant is generally located in the sea area, and fresh water is relatively scarce. Compared with a common restaurant, the seafood restaurant has huge water consumption due to the existence of the seafood culture area, and the current water reuse rate is low.

According to survey data, the water discharge is calculated according to the number of people having meals, the catering sewage quantity of a common restaurant is 4 tons/h, the catering water discharge quantity of a seafood restaurant is 6 tons/h, and the water consumption for cleaning a culture area is more. If the wastewater is directly discharged after sewage treatment, the waste water is wasted, so that the wastewater of the seafood restaurant is purified by the drawer type filtering device to reach the water use standard and then is collected for secondary utilization. Restaurant wastewater is uniformly concentrated in a wastewater tank, and then wastewater purification treatment is carried out through a water treatment drawer type filtering device.

The prior art can refer to the chinese utility model patent that the grant bulletin number is CN201930588U, and it discloses a water treatment drawer type filter equipment, including being no less than an independent cell filtering ponds, be provided with inlet tube and water intaking valve on the filtering ponds, be provided with the outlet pipe under the filtering ponds, be equipped with the precoat and the bearing layer of different granularities in the filtering ponds, the bottom of filtering ponds is provided with independent back flush inlet tube, is provided with the water drainage tank in the filtering ponds, and the outside intercommunication of water drainage tank has the back flush drain pipe, and the inlet tube inserts respectively and surpasss the pipe and surpass the valve. The drawer type filtering device effectively improves the sewage interception efficiency of the water treatment filtering layer and improves the filtering precision.

The above prior art solutions have the following drawbacks: according to the principle of 'drip-through stone', the filter material in the filter material layer is easy to break after being used for a period of time, and the crushed materials easily block the drain holes in the bearing layer, so that the filtering efficiency of water can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a seafood restaurant water circulating system, it is through carrying out periodic replacement to the filter material to can alleviate the influence to the filtration efficiency of water.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a water circulation system of a seafood restaurant comprises a wastewater tank and a filtering tank, wherein the wastewater tank is communicated with the filtering tank through a water pump and a pipeline, a plurality of filtering plates are sequentially arranged in the filtering tank along the vertical direction, the pore diameters of the filtering plates are sequentially reduced from top to bottom, an annular plate is arranged on the outer peripheral surface of each filtering plate, filtering materials are filled in the annular plates, and the volumes of the filtering materials in the annular plates are sequentially reduced from top to bottom; a plurality of passages are formed in one side of the filtering tank, a first rubber sleeve is fixedly connected to the inner peripheral surface of each passage, the annular plates are connected to the passages in a sliding mode in the width direction of the filtering tank in a one-to-one correspondence mode, a driving device used for driving the annular plates to move towards the outside of the filtering tank is installed outside the filtering tank, and a supporting component is arranged on the inner wall of the filtering tank corresponding to each annular plate.

Through adopting above-mentioned technical scheme, through setting up drive arrangement, be convenient for drive annular slab removes outside to the filtering ponds, and the annular slab removes and drives the filter material and remove to be convenient for change the filter material, therefore can alleviate the influence to the filtration efficiency of water. Through setting up first rubber sleeve, be convenient for seal the junction of annular plate and filtering ponds. Through setting up supporting component, be convenient for support the annular plate to can reduce the annular plate and take place the possibility that drops.

The present invention may be further configured in a preferred embodiment as: the supporting component comprises supporting plates fixedly connected to two sides of the filtering tank respectively, and two ends of the bottom of the annular plate are attached to the tops of the two supporting plates respectively.

Through adopting above-mentioned technical scheme, through setting up the backup pad, be convenient for support the annular plate to can reduce the annular plate and take place the possibility that drops.

The present invention may be further configured in a preferred embodiment as: the driving device comprises a rack arranged outside the filtering tank and a plurality of horizontal plates which are sequentially arranged in the rack along the vertical direction; the horizontal plate corresponds the annular plate sets up, every the actuating mechanism who is used for driving the annular plate and removes is installed at the top of horizontal plate, actuating mechanism is including installing in the horizontal plate a plurality of electronic jars of keeping away from filtering ponds one end, every the piston rod of electronic jar of first and the one end fixed connection of annular plate.

By adopting the technical scheme, when the filter material in the annular plate needs to be replaced, the first electric cylinder is started, the annular plate is moved towards the direction far away from the filter tank through the piston rod of the first electric cylinder, and then the filter material in the annular plate can be replaced; through setting up multiunit actuating mechanism, every actuating mechanism of group is independent, is convenient for shift out a plurality of annular slabs in proper order to be convenient for change the filter material in a plurality of annular slabs.

The present invention may be further configured in a preferred embodiment as: the filter plate is composed of two plate bodies, through holes are respectively formed in two ends of the annular plate, a second rubber sleeve is fixedly connected in each through hole, and the two plate bodies are connected to the two through holes in a sliding mode along the width direction of the filter tank; the material collecting device is characterized by further comprising a transmission mechanism for driving the two plate bodies to move in the opposite directions or in the opposite directions, and the material collecting device is installed outside the rack.

By adopting the technical scheme, the two plate bodies are driven to move back and forth by the transmission mechanism, so that the filter material in the annular plate can be unloaded, and then the filter material is collected by the material collecting device, thereby being convenient for collecting the filter material in the annular plate; two plate bodies are driven to move in opposite directions through the transmission mechanism, so that the bottom of the annular plate can be closed, and new filter materials can be placed into the annular plate at the moment, so that the filter materials can be conveniently replaced.

The present invention may be further configured in a preferred embodiment as: the transmission mechanism comprises two strip-shaped grooves which are respectively formed in two ends of the annular plate, two ends of each plate body are respectively and fixedly connected with a sliding block, the two sliding blocks are respectively connected to the two strip-shaped grooves in a sliding manner along the length direction of the annular plate, a lead screw is rotatably connected in one strip-shaped groove, the outer side walls of two ends of the lead screw are respectively provided with a left thread and a right thread, and the two sliding blocks positioned on the same side of the two plate bodies are respectively in threaded connection with the left thread and the right thread; and a driving motor is installed on the outer side wall of one end of the annular plate, and an output shaft of the driving motor penetrates through the annular plate and is fixedly connected with one end of the screw rod.

By adopting the technical scheme, the output shaft of the driving motor drives the screw rod to rotate, and at the moment, the two plate bodies move in the opposite direction or in the opposite direction under the action of the left thread and the right thread, so that the bottom of the annular plate can be conveniently opened or closed; through setting up drive mechanism, be convenient for drive two plate bodies and move towards each other or back of the body mutually.

The present invention may be further configured in a preferred embodiment as: the material receiving device comprises a bent pipe fixedly connected to one side of the frame, which is far away from the filter tank, and a material receiving barrel arranged at the bottom of the bent pipe; every the relief hole has been seted up at the top of horizontal plate, the relief hole corresponds the bottom setting of annular plate, the bottom intercommunication of relief hole has the cross-section to be triangular's passage, the bottom intercommunication of passage has the connecting pipe, the one end that the passage was kept away from to the connecting pipe communicates in the pipe of buckling.

By adopting the technical scheme, the material guide pipe and the connecting pipe are arranged, so that the filter material in the annular plate can be conveniently guided into the bending pipe; through setting up the pipe of buckling, be convenient for cushion the filter material to can alleviate the rigid contact of filter material and receipts storage bucket.

The present invention may be further configured in a preferred embodiment as: a plurality of groups of buffer mechanisms which are staggered are vertically arranged in the bent pipe, and each group of buffer mechanisms comprises a rotating shaft which is rotatably connected to the inner wall of the bent pipe and a buffer plate which is fixedly connected to the top of the rotating shaft; the both ends of pivot have cup jointed the torsional spring respectively, two the equal rigid coupling in the lateral wall of pivot in the looks remote from end of torsional spring each other, two the equal rigid coupling in the inner wall of bending tube in the end of keeping away from each other of torsional spring.

By adopting the technical scheme, the filter material applies pressure to the buffer plate in the descending process, at the moment, the buffer plate rotates downwards, the buffer plate rotates to compress the torsional spring, and at the moment, the torsional spring is in a compressed state, so that the filter material can be further buffered; after the filter material passed through the buffer board, the pivot reset under the effect of torsional spring this moment, and the pivot resets and can drive the pipe of buckling and take place the vibration to can reduce the pipe of buckling and take place the possibility of blockking up.

The present invention may be further configured in a preferred embodiment as: the bottom of the bending pipe is provided with a material guide mechanism, and the material guide mechanism comprises a horizontal shaft which is rotatably connected to the bottom of the bending pipe and a material guide plate which is fixedly connected to the horizontal shaft and is arranged obliquely downwards; one end of the material guide plate, which is far away from the bent pipe, extends into the material receiving barrel; the material guiding mechanism further comprises a dredging component arranged below the material guiding pipe.

Through adopting above-mentioned technical scheme, through setting up the stock guide, be convenient for with the leading-in receipts storage bucket of filter material in the bending tube.

The present invention may be further configured in a preferred embodiment as: the dredging component comprises a vertical plate fixedly connected to one side of the rack and a second electric cylinder hinged to the vertical plate; and a piston rod of the second electric cylinder is hinged to the bottom of the material guide plate.

Through adopting above-mentioned technical scheme, through frequently opening and close the electronic jar of second, the drive stock guide of being convenient for rocks to can reduce the possibility that takes place to block up on the stock guide.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through setting up drive arrangement, be convenient for drive annular slab to remove outside the filtering ponds, the annular slab removes and drives the filter material removal to be convenient for change the filter material, therefore can alleviate the filter efficiency's to water influence. Through setting up first rubber sleeve, be convenient for seal the junction of annular plate and filtering ponds. The supporting assembly is arranged, so that the annular plate is conveniently supported, and the possibility of falling off of the annular plate can be reduced;

2. the two plate bodies are driven to move back and forth through the transmission mechanism, so that the filter material in the annular plate can be unloaded, and then the filter material is collected through the material collecting device, so that the filter material in the annular plate can be collected conveniently; the two plate bodies are driven to move oppositely through the transmission mechanism, so that the bottom of the annular plate can be closed, and a new filter material can be placed into the annular plate, so that the filter material can be conveniently replaced;

3. the filter material applies pressure to the buffer plate in the descending process, the buffer plate rotates downwards at the moment, the buffer plate rotates to compress the torsional spring, and the torsional spring is in a compressed state at the moment, so that the filter material can be further buffered; after the filter material passed through the buffer board, the pivot reset under the effect of torsional spring this moment, and the pivot resets and can drive the pipe of buckling and take place the vibration to can reduce the pipe of buckling and take place the possibility of blockking up.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a partial cross-sectional view of a highlighted support assembly of an embodiment;

FIG. 4 is a partial sectional view of the embodiment highlighting the lead screw;

FIG. 5 is a partial cross-sectional view of a highlighted cushioning mechanism in an embodiment.

In the figure, 1, a waste water tank; 2. a filtration tank; 21. filtering the plate; 211. a plate body; 22. an annular plate; 221. a through hole; 222. a second rubber sleeve; 23. a channel; 24. a first rubber sleeve; 25. a support assembly; 251. a support plate; 26. a drain pipe; 261. an electrically operated valve; 3. a drive device; 31. a frame; 32. a horizontal plate; 33. a drive mechanism; 331. a first electric cylinder; 4. a transmission mechanism; 41. a strip-shaped groove; 42. a slider; 43. a lead screw; 44. a drive motor; 5. a material receiving device; 51. bending the tube; 52. a material receiving barrel; 53. a discharge hole; 54. a material guide pipe; 55. a connecting pipe; 6. a buffer mechanism; 61. a rotating shaft; 62. a buffer plate; 63. a torsion spring; 7. a material guiding mechanism; 71. a horizontal axis; 72. a material guide plate; 73. a dredging component; 731. a vertical plate; 732. a second electric cylinder.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, for the utility model discloses a seafood restaurant water circulation system, including wastewater tank 1 and filtering ponds 2, the bottom of filtering ponds 2 communicates with drain pipe 26, install motorised valve 261 on drain pipe 26, wastewater tank 1 communicates with filtering ponds 2 through water pump and pipeline, as shown in fig. 3, have set gradually a plurality of filter plates 21 along vertical in filtering ponds 2, the aperture of filter plate 21 reduces from top to bottom in proper order, the outer peripheral face of each filter plate 21 is provided with annular plate 22, the annular plate 22 intussuseption is filled with the filter material, the volume of the filter material in a plurality of annular plates 22 reduces from top to bottom in proper order; a plurality of passageways 23 have been seted up to one side of filtering ponds 2, the inner peripheral surface rigid coupling of every passageway 23 has first rubber sleeve 24, and annular plate 22 one-to-one slides along the width direction of filtering ponds 2 and connects in passageway 23, and filtering ponds 2 installs outward and is used for driving annular plate 22 to the drive arrangement 3 of the outer removal of filtering ponds 2, corresponds every annular plate 22 and is provided with supporting component 25 on the inner wall of filtering ponds 2. Through setting up drive arrangement 3, be convenient for drive annular plate 22 to the outer removal of filtering ponds 2, annular plate 22 removes and drives the filter material removal to be convenient for change the filter material, therefore can alleviate the influence to the filtration efficiency of water. The first rubber sleeve 24 is arranged, so that the joint of the annular plate 22 and the filter tank 2 is convenient to seal. By providing the support assembly 25, the annular plate 22 is supported easily, and the possibility of the annular plate 22 falling off can be reduced.

The supporting component 25 includes supporting plates 251 respectively and fixedly connected to two sides of the filtering tank 2, and two ends of the bottom of the annular plate 22 are respectively attached to the tops of the two supporting plates 251. By providing the support plate 251, the ring plate 22 is supported easily, so that the possibility of the ring plate 22 falling off can be reduced.

The driving device 3 comprises a frame 31 arranged outside the filtering tank 2 and a plurality of horizontal plates 32 which are sequentially arranged in the frame 31 along the vertical direction; the horizontal plates 32 are arranged corresponding to the annular plates 22, a driving mechanism 33 for driving the annular plates 22 to move is mounted at the top of each horizontal plate 32, the driving mechanism 33 comprises a plurality of first electric cylinders 331 mounted at one end of the horizontal plate 32 far away from the filter tank 2, and a piston rod of each first electric cylinder 331 is fixedly connected with one end of the annular plate 22. When the filter material in the annular plate 22 needs to be replaced, the first electric cylinder 331 is started, the annular plate 22 is moved towards the direction far away from the filter tank 2 through the piston rod of the first electric cylinder 331, and then the filter material in the annular plate 22 can be replaced; through setting up multiunit actuating mechanism 33, every actuating mechanism 33 of group is independent, is convenient for shift out a plurality of annular plates 22 in proper order to be convenient for change the filter material in a plurality of annular plates 22.

As shown in fig. 3 and 4, the filter plate 21 is composed of two plate bodies 211, through holes 221 are respectively formed at two ends of the annular plate 22, a second rubber sleeve 222 is fixedly connected in each through hole 221, and the two plate bodies 211 are respectively connected to the two through holes 221 in a sliding manner along the width direction of the filter tank 2; the automatic feeding and discharging device further comprises a transmission mechanism 4 for driving the two plate bodies 211 to move towards or away from each other, and a material receiving device 5 is installed outside the machine frame 31. The two plate bodies 211 are driven by the transmission mechanism 4 to move back and forth, so that the filter material in the annular plate 22 can be discharged, and then the filter material is collected by the material collecting device 5, so that the filter material in the annular plate 22 can be collected conveniently; two plate bodies 211 are driven to move oppositely through the transmission mechanism 4, so that the bottom of the annular plate 22 can be closed, and at the moment, new filter materials can be placed into the annular plate 22, so that the filter materials can be replaced conveniently.

The transmission mechanism 4 comprises two strip-shaped grooves 41 respectively arranged at two ends of the annular plate 22, two ends of each plate body 211 are respectively and fixedly connected with a sliding block 42, the two sliding blocks 42 are respectively connected with the two strip-shaped grooves 41 in a sliding manner along the length direction of the annular plate 22, a lead screw 43 is rotatably connected in each strip-shaped groove 41 through a bearing, the lead screw 43 can be subjected to rust prevention treatment through chrome plating, the outer side walls of two ends of the lead screw 43 are respectively provided with a left thread and a right thread, and the two sliding blocks 42 positioned on the same side of the two plate bodies 211 are respectively in threaded; the outer side wall of one end of the annular plate 22 is provided with a driving motor 44, and the output shaft of the driving motor 44 penetrates through the annular plate 22 and is fixedly connected with one end of the screw 43. The screw rod 43 is driven to rotate by an output shaft of the driving motor 44, and at the moment, the two plate bodies 211 move towards or away from each other under the action of left threads and right threads, so that the bottom of the annular plate 22 is opened or closed conveniently; by arranging the transmission mechanism 4, the two plate bodies 211 can be driven to move towards or away from each other conveniently.

As shown in fig. 3 and 5, the material receiving device 5 includes a bending pipe 51 fixedly connected to one side of the frame 31 away from the filtering tank 2 and a material receiving barrel 52 installed at the bottom of the bending pipe 51; the top of each horizontal plate 32 is provided with a discharge hole 53, the discharge hole 53 is arranged corresponding to the bottom of the annular plate 22, the bottom of the discharge hole 53 is communicated with a material guide pipe 54 with a triangular section, the bottom of the material guide pipe 54 is communicated with a connecting pipe 55, and one end of the connecting pipe 55 far away from the material guide pipe 54 is communicated with the bending pipe 51. The material guide pipe 54 and the connecting pipe 55 are arranged to facilitate the guiding of the filter material in the annular plate 22 into the bending pipe 51; through setting up bent pipe 51, be convenient for cushion the filter material to can alleviate the rigid contact of filter material and receipts storage bucket 52.

A plurality of groups of buffer mechanisms 6 which are arranged in a staggered mode are vertically arranged in the bent pipe 51, and each group of buffer mechanisms 6 comprises a rotating shaft 61 which is rotatably connected to the inner wall of the bent pipe 51 through a bearing and a buffer plate 62 which is fixedly connected to the top of the rotating shaft 61; the both ends of pivot 61 have cup jointed torsional spring 63 respectively, and the equal rigid coupling in the lateral wall of pivot 61 in the looks remote from end each other of two torsional springs 63, and the equal rigid coupling in the inner wall of bending tube 51 of two torsional springs 63. The filtering material applies pressure to the buffer plate 62 in the descending process, at the moment, the buffer plate 62 rotates downwards, the buffer plate 62 rotates to compress the torsion spring 63, and at the moment, the torsion spring 63 is in a compressed state, so that the filtering material can be further buffered; after the filter material passes through the buffer plate 62, the rotating shaft 61 is reset under the action of the torsion spring 63, and the rotating shaft 61 is reset to drive the bent pipe 51 to vibrate, so that the possibility of blockage of the bent pipe 51 can be reduced.

The bottom of the bending pipe 51 is provided with a material guiding mechanism 7, and the material guiding mechanism 7 comprises a horizontal shaft 71 which is rotatably connected to the bottom of the bending pipe 51 through a bearing and a material guiding plate 72 which is fixedly connected to the horizontal shaft 71 and is arranged obliquely downwards; one end of the material guide plate 72, which is far away from the bending pipe 51, extends into the material receiving barrel 52; the material guiding mechanism 7 further includes a dredging assembly 73 installed below the material guiding pipe 54. The material guide plate 72 is arranged to facilitate the guiding of the filter material in the bending pipe 51 into the material receiving barrel 52.

The dredging component 73 comprises a vertical plate 731 fixedly connected to one side of the frame 31 and a second electric cylinder 732 hinged to the vertical plate 731; a piston rod of the second electric cylinder 732 is hinged to the bottom of the guide plate 72. By frequently opening and closing the second electric cylinder 732, the guide plate 72 can be driven to swing, and the possibility of clogging of the guide plate 72 can be reduced.

In addition, the sealing is prior art, the utility model discloses other sealings that involve in are no longer repeated.

The implementation principle of the embodiment is as follows: through setting up first electronic jar 331, be convenient for drive annular plate 22 and remove outside filtering ponds 2, annular plate 22 removes and drives the filter material and removes to be convenient for change the filter material, therefore can alleviate the influence to the filtration efficiency of water. The first rubber sleeve 24 is arranged, so that the joint of the annular plate 22 and the filter tank 2 is convenient to seal. By providing the support plate 251, the ring plate 22 is supported easily, so that the possibility of the ring plate 22 falling off can be reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides a seafood dining room water circulating system, includes waste water tank (1) and filtering ponds (2), waste water tank (1) passes through water pump and pipeline and filtering ponds (2) intercommunication, its characterized in that: a plurality of filter plates (21) are sequentially arranged in the filter tank (2) along the vertical direction, the aperture of each filter plate (21) is sequentially reduced from top to bottom, an annular plate (22) is arranged on the peripheral surface of each filter plate (21), filter materials are filled in the annular plates (22), and the volume of the filter materials in the annular plates (22) is sequentially reduced from top to bottom; a plurality of passageways (23) have been seted up to one side of filtering ponds (2), every the inner peripheral surface rigid coupling of passageway (23) has first rubber sleeve (24), annular plate (22) one-to-one along the width direction of filtering ponds (2) slide connect in passageway (23), install drive arrangement (3) that are used for driving annular plate (22) to remove outward filtering ponds (2) outside filtering ponds (2), correspond every annular plate (22) are provided with supporting component (25) on the inner wall of filtering ponds (2).

2. The seafood restaurant water circulation system of claim 1, wherein: the supporting component (25) comprises supporting plates (251) which are fixedly connected to two sides of the filtering tank (2) respectively, and two ends of the bottom of the annular plate (22) are attached to the tops of the two supporting plates (251) respectively.

3. The seafood restaurant water circulation system of claim 1, wherein: the driving device (3) comprises a rack (31) arranged outside the filtering tank (2) and a plurality of horizontal plates (32) which are sequentially arranged in the rack (31) along the vertical direction; the horizontal plate (32) corresponds annular plate (22) sets up, every actuating mechanism (33) that are used for driving annular plate (22) to remove are installed to the top of horizontal plate (32), actuating mechanism (33) are including installing in horizontal plate (32) a plurality of electronic jars (331) of keeping away from filtering ponds (2) one end, every the piston rod of electronic jar (331) of first and the one end fixed connection of annular plate (22).

4. The seafood restaurant water circulation system of claim 3, wherein: the filter plate (21) is composed of two plate bodies (211), through holes (221) are respectively formed in two ends of the annular plate (22), a second rubber sleeve (222) is fixedly connected in each through hole (221), and the two plate bodies (211) are connected to the two through holes (221) in a sliding mode along the width direction of the filter tank (2) respectively; still including being used for driving two plate bodies (211) drive mechanism (4) that move towards each other or back on the back, material collecting device (5) are installed outward to frame (31).

5. The seafood restaurant water circulation system of claim 4, wherein: the transmission mechanism (4) comprises two strip-shaped grooves (41) which are respectively arranged at two ends of the annular plate (22), two ends of each plate body (211) are respectively and fixedly connected with a sliding block (42), the two sliding blocks (42) are respectively connected to the two strip-shaped grooves (41) in a sliding manner along the length direction of the annular plate (22), a lead screw (43) is rotatably connected to one strip-shaped groove (41), the outer side walls of two ends of the lead screw (43) are respectively provided with a left thread and a right thread, and the two sliding blocks (42) which are positioned on the same side of the two plate bodies (211) are respectively in threaded connection with the left thread and the right thread; and a driving motor (44) is installed on the outer side wall of one end of the annular plate (22), and an output shaft of the driving motor (44) penetrates through the annular plate (22) and is fixedly connected with one end of the screw rod (43).

6. The seafood restaurant water circulation system of claim 4, wherein: the material receiving device (5) comprises a bent pipe (51) fixedly connected to one side of the frame (31) far away from the filter tank (2) and a material receiving barrel (52) arranged at the bottom of the bent pipe (51); every relief hole (53) have been seted up at the top of horizontal plate (32), relief hole (53) correspond the bottom setting of annular plate (22), the bottom intercommunication of relief hole (53) has passage (54) that the cross-section is triangle-shaped, the bottom intercommunication of passage (54) has connecting pipe (55), the one end that passage (54) were kept away from in connecting pipe (55) communicates in bending tube (51).

7. The seafood restaurant water circulation system of claim 6, wherein: a plurality of groups of buffer mechanisms (6) which are arranged in a staggered mode are vertically arranged in the bent pipe (51), and each group of buffer mechanisms (6) comprises a rotating shaft (61) which is rotatably connected to the inner wall of the bent pipe (51) and a buffer plate (62) which is fixedly connected to the top of the rotating shaft (61); torsional spring (63) have been cup jointed respectively at the both ends of pivot (61), two equal rigid coupling in the lateral wall of pivot (61) in the looks remote end of torsional spring (63), two the equal rigid coupling in the inner wall of bending tube (51) in the end of keeping away from each other of torsional spring (63).

8. The seafood restaurant water circulation system of claim 6, wherein: the bottom of the bending pipe (51) is provided with a material guide mechanism (7), and the material guide mechanism (7) comprises a horizontal shaft (71) which is rotatably connected to the bottom of the bending pipe (51) and a material guide plate (72) which is fixedly connected to the horizontal shaft (71) and is arranged obliquely downwards; one end of the material guide plate (72) far away from the bent pipe (51) extends into the material receiving barrel (52); the material guiding mechanism (7) also comprises a dredging component (73) arranged below the material guiding pipe (54).

9. The seafood restaurant water circulation system of claim 8, wherein: the dredging component (73) comprises a vertical plate (731) fixedly connected to one side of the frame (31) and a second electric cylinder (732) hinged to the vertical plate (731); the piston rod of the second electric cylinder (732) is hinged to the bottom of the material guide plate (72).

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