Screening and culturing device of phosphorus uptake strain for biological phosphorus removal of sewage

Abstract

The invention relates to a screening culture device of phosphorus intake strains for biological phosphorus removal of sewage, which comprises a screening culture box, a screening culture shelf is arranged in the screening culture box, the screening culture shelf comprises a longitudinal n-shaped base, the lower end of the base is fixedly connected with a rectangular bottom plate, the middle part of the bottom plate is fixedly connected with a central support column, and the central support column is fixedly connected with the bottom plate. The center supporting column penetrates through the base and is sleeved with a rotating base and an annular bearing bottom plate, the bearing bottom plate is fixed to the upper end face of the rotating base, and the rotating base is connected to the center supporting column through a bearing. A plurality of circular through holes are formed in the bearing bottom plate on the periphery of the rotating seat, a plurality of annularly-distributed limiting stop levers are fixedly connected to the bearing bottom plate on the periphery of the through holes, an annular top plate is fixedly connected to the upper ends of the limiting stop levers, and a plurality of feeding holes right opposite to the through holes are formed in the outer ring of the top plate. An automatic screening structure is arranged at the top of the placement frame in the screening culture device, so that the culture dishes can be screened and arranged, and the designated culture dishes can be conveniently taken out in cooperation with a manipulator.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of screening incubators, and more particularly to a screening culture device for phosphorus-accumulating bacteria used for biological phosphorus removal from sewage. BACKGROUND

[0002] The biological bacteria screening incubator is a key equipment in microbial research and industrial production, and its core function is to provide precise environmental control for the cultivation, screening and function verification of bacteria. When actually cultivating bacteria, the bacteria are placed in a culture dish, and then the culture dish is placed in a biological bacteria screening incubator for cultivation. Some incubators currently have empty culture dish storage racks and bacteria culture dish storage racks. The storage rack is a rotating support with a plurality of rotating storage positions. Each rotating storage position can hold a plurality of stacked culture dishes. For example, different culture conditions can be set in the culture dishes to cultivate bacteria of the same type, such as phosphorus-accumulating bacteria used for biological phosphorus removal from sewage. The optimal culture basis for the bacteria can be obtained by testing. However, when testing, a specified culture dish needs to be selected. The specified culture dish is located between the stacked culture dishes, so all the culture dishes above the specified culture dish need to be removed before the specified culture dish can be removed, which is inconvenient. Therefore, a culture dish storage rack with automatic screening function is needed. SUMMARY

[0003] The present application is aimed at the deficiencies of the prior art and provides a screening culture device for phosphorus-accumulating bacteria used for biological phosphorus removal from sewage. The top of the built-in storage rack of the screening culture device is provided with an automatic screening structure, which can screen and arrange the culture dishes, facilitating the removal of the specified culture dish by the mechanical hand.

[0004] A screening culture device for phosphorus-accumulating bacteria used for biological phosphorus removal from sewage includes a screening incubator. The screening incubator is provided with a screening culture storage rack. The screening culture storage rack includes a longitudinal and "D" shaped base. A rectangular bottom plate is fixed to the lower end of the base. A central support column is fixed to the middle of the bottom plate. The central support column is provided with a rotating seat and a circular supporting bottom plate. The supporting bottom plate is fixed to the upper end face of the rotating seat. The rotating seat is connected to the central support column through a bearing. A plurality of circular through holes are formed in the supporting bottom plate around the rotating seat. A plurality of annular limiting rods are fixed to the supporting bottom plate around the through holes. A circular top plate is fixed to the upper end of the limiting rods. A plurality of feed holes are formed in the outer circle of the top plate and opposite to the through holes.

[0005] The upper end surface of the top plate abuts against a circular positioning disc, the upper end of the central support column extends out of the top plate and is inserted and fixed on the positioning disc, the rear side of the positioning disc is formed with a through hole opposite to the feeding hole on the top plate; the upper end surface of the outer circle of the positioning disc abuts against a plurality of annular screening frames opposite to the through hole, adjacent screening frames are fixedly connected with radial rods, the inner ends of the radial rods are fixedly connected with T-shaped rotary seats, the upper end surface of the rotary seat is fixedly connected with a rotary motor, the rotating shaft of the rotary motor is inserted and fixed on the central support column, and the rotary seat is connected with the central support column at the upper end through a bearing;

[0006] The through hole of the positioning disc is inserted with a lifting disc, the lower end surface of the lifting disc is fixedly connected with a limiting prism, a vertical threaded hole is formed in the limiting prism, the lower end of the limiting prism is inserted into the base through the feeding hole of the top plate and the through hole of the supporting bottom plate, the lower end surface of the rear side of the bottom plate is fixedly connected with a protective sleeve opposite to the limiting prism, a lead screw is inserted into the protective sleeve, the upper end of the lead screw is screwed into the threaded hole of the limiting prism, the lower end of the lead screw is fixedly connected with the rotating shaft of a lifting motor through a shaft coupling, and the lifting motor is fixedly connected to the bottom of the protective sleeve.

[0007] Preferably, the lower end of the rotary seat is inserted and fixedly connected with a gear ring, and the front side of the gear ring is engaged with a gear; the base is fixedly connected with a rotating motor, and the rotating shaft of the rotating motor extends out of the base and is inserted and fixed in the gear;

[0008] The lead screw and the protective sleeve are located on the rear side of the gear ring, and the bottom plate is formed with an avoiding hole opposite to the lead screw and the limiting prism.

[0009] Preferably, the central axis of the central support column, the central axis of the rotary seat, the central axis of the supporting bottom plate, the central axis of the positioning disc and the central axis of the rotary seat are on the same straight line, and the screening frames and the through holes on the supporting bottom plate are annularly and uniformly distributed around the central axis of the central support column.

[0010] Preferably, the diameter of the inner wall of the screening frame is greater than the hole diameter of the through hole, the diameter of the inner wall of the screening frame is equal to the hole diameter of the feeding hole on the top plate, and the hole diameter of the feeding hole on the top plate is equal to the hole diameter of the through hole on the positioning disc.

[0011] Preferably, the limiting stop rods around the through hole are at least three, and the limiting stop rods are annularly and uniformly distributed around the central axis of the through hole, and the central axes of the through holes coincide with the central axes of the feeding holes on the top plate, respectively.

[0012] The limiting stop rod adopts a round rod, and the outer wall of the limiting stop rod is tangent to the inner wall of the feeding hole.

[0013] Preferably, the diameter of the lifting disc is smaller than the hole diameter of the through hole on the supporting bottom plate.

[0014] The frame wall of the screening frame is formed with three groups of outward and arc-shaped clamping avoiding openings; the clamping avoiding openings are evenly distributed in a ring shape around the central axis of the screening frame.

[0015] Preferably, the limiting prism is a circular column, and the opposite two side walls of the limiting prism are respectively formed with planar cutting grooves; the base is formed with a plug hole with the same horizontal section as the limiting prism, and the limiting prism is inserted into the plug hole of the base.

[0016] The length of the protective sleeve is greater than the distance from the upper end surface of the positioning disc to the lower end surface of the supporting bottom plate.

[0017] Preferably, the two sides of the bottom plate respectively extend the side walls of the base and are formed with a plurality of longitudinally distributed mounting holes.

[0018] The beneficial effects of the present application are:

[0019] The top of the built-in shelf of the screening culture device is provided with an automatic screening structure, which can screen and arrange the culture dishes, and facilitate the cooperation of the mechanical hand to take out the specified culture dish. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a three-dimensional structural schematic diagram of the present application;

[0021] Fig. 2 It is another angle of the three-dimensional structural schematic diagram of the present application;

[0022] Fig. 3 It is a front view structural schematic diagram of the present application;

[0023] Fig. 4 It is a side view structural schematic diagram of the present application;

[0024] Fig. 5 It is Fig. 4 It is a sectional view schematic diagram of A-A.

[0025] In the figure: 1, base; 2, bottom plate; 21, mounting hole; 3, central support column; 4, rotating seat; 5, supporting bottom plate; 51, perforation; 6, limiting stop rod; 7, top plate; 71, feeding hole; 8, positioning disc; 81, via hole; 9, screening frame; 91, clamping avoiding opening; 10, spoke; 11, rotary seat; 12, rotary motor; 13, gear ring; 14, gear; 15, rotating motor; 16, lifting disc; 17, limiting prism; 18, lead screw; 19, protective sleeve; 20, lifting motor. DETAILED DESCRIPTION

[0026] Embodiment: see Figs. 1 to 5As shown, a kind of sewage biological phosphorus removal with phosphorus bacteria screening culture device, including screening culture box, screening culture box is equipped with screening culture shelf, screening culture shelf includes the base 1 of longitudinal and " " shape, the lower end of base 1 is fixedly connected with the rectangular bottom plate 2, the middle part of bottom plate 2 is fixedly connected with center support column 3, center support column 3 is equipped with rotating seat 4 and circular supporting bottom plate 5 through base 1, supporting bottom plate 5 is fixed on the upper end surface of rotating seat 4, rotating seat 4 is connected on center support column 3 by bearing;Rotating seat 4 around the supporting bottom plate 5 of supporting bottom plate 5 is formed with a plurality of circular perforations 51, the supporting bottom plate 5 around the perforation 51 is respectively fixedly connected with a plurality of annularly distributed limit stop bar 6, the upper end of limit stop bar 6 is fixedly connected with the circular top plate 7 of annular, the outer circle of top plate 7 is formed with a plurality of feed holes 71 opposite to perforation 51;

[0027] The upper end surface of top plate 7 abuts against the circular positioning disc 8, the upper end of center support column 3 extends the top plate 7 and is inserted and fixed on positioning disc 8, the rear side of positioning disc 8 is formed with the through hole 81 opposite to the feed hole 71 on top plate 7;The upper end surface of the outer circle of positioning disc 8 abuts against a plurality of circular annular screening frames 9 opposite to through hole 81, adjacent screening frames 9 are fixedly connected with spoke 10, the inner end of spoke 10 is fixedly connected on T-shaped rotary seat 11, the upper end surface of rotary seat 11 is fixedly connected with rotary motor 12, the rotating shaft of rotary motor 12 is inserted and fixed on center support column 3, the rotary seat 11 is connected on the upper end of center support column 3 by bearing;

[0028] The through hole 81 of positioning disc 8 is inserted with lifting disc 16, the lower end surface of lifting disc 16 is fixedly connected with limit prism 17, the inner part of limit prism 17 is formed with vertical screw hole;The lower end of limit prism 17 is inserted on base 1 through the feed hole 71 of top plate 7 and the perforation 51 of supporting bottom plate 5;The lower end surface of the rear side of bottom plate 2 is fixedly connected with the protective sleeve 19 opposite to limit prism 17, the protective sleeve 19 is inserted with lead screw 18, the upper end of lead screw 18 is screwed into the screw hole of limit prism 17, the lower end is fixedly connected with the rotating shaft of lifting motor 20 through coupling, and lifting motor 20 is fixedly connected at the bottom of protective sleeve 19.

[0029] The lower end of rotating seat 4 is inserted and fixedly connected with gear ring 13, and the front side of gear ring 13 is engaged with gear 14;The base 1 is fixedly connected with rotating motor 15, and the rotating shaft of rotating motor 15 extends out of the base 1 and is inserted and fixed in the gear 14;Rotating motor 15 can drive rotating seat 4 to rotate based on gear transmission, and rotating seat 4 drives supporting bottom plate 5 to rotate, and the supporting bottom plate 5 between limit stop bar 6 can store circular culture dishes arranged in layers, and supporting bottom plate 5 can move circular culture dishes to the lower side of through hole 81 on positioning disc 8.

[0030] The screw rod 18 and the protective sleeve 19 are located at the rear side of the gear ring 13, and the bottom plate 2 is formed with a avoiding hole opposite to the screw rod 18 and the limiting prism 17, which can pass through the avoiding hole and enter the protective sleeve 19 when the protective sleeve 19 moves downward.

[0031] The center axis of the center support column 3, the center axis of the rotating seat 4, the center axis of the supporting bottom plate 5, the center axis of the positioning disc 8 and the center axis of the rotary seat 11 are on the same straight line, and the perforations 51 on the screening frame 9 and the supporting bottom plate 5 are uniformly distributed in a ring shape around the center axis of the center support column 3.

[0032] The diameter of the inner wall of the screening frame 9 is greater than the hole diameter of the perforations 51, the diameter of the inner wall of the screening frame 9 is equal to the hole diameter of the feeding hole 71 on the top plate 7, and the hole diameter of the feeding hole 71 on the top plate 7 is equal to the hole diameter of the through hole 81 on the positioning disc 8; the circular culture dish needs to pass through the feeding hole 71 and the through hole 81 to be moved out of the screening culture placement rack under the lifting of the lifting disc 16.

[0033] The limiting stop lever 6 around the perforations 51 is at least provided with three limiting stop levers 6, which are uniformly distributed in a ring shape around the center axis of the perforations 51, and the center axis of the perforations 51 coincides with the center axis of the feeding hole 71 on the top plate 7; the limiting stop lever 6 can position the position of the circular culture dish to prevent it from being separated from the screening culture placement rack.

[0034] The limiting stop lever 6 adopts a round rod, and the outer wall of the limiting stop lever 6 is tangent to the inner wall of the feeding hole 71, and the limiting stop lever 6 has a guiding effect in addition to the above-mentioned limiting effect, which can prevent the circular culture dish from interfering with the top plate 7 during upward movement.

[0035] The diameter of the lifting disc 16 is less than the hole diameter of the perforations 51 on the supporting bottom plate 5;

[0036] The frame wall of the screening frame 9 is formed with three groups of outwardly arc-shaped clamping avoiding openings 91; the clamping avoiding openings 91 are uniformly distributed in a ring shape around the center axis of the screening frame 9, and the clamping avoiding openings 91 are provided with clamping jaws in which a mechanical hand can be inserted, so that the mechanical hand can realize the grabbing and placing of the circular culture dish.

[0037] The limiting prism 17 is a circular ring-shaped column, and the opposite two side walls of the limiting prism 17 are respectively formed with planar grooves, and the base 1 is formed with an insertion hole with the same horizontal section as the limiting prism 17, and the limiting prism 17 is inserted into the insertion hole of the base 1.

[0038] The length of the protective sleeve 19 is greater than the distance from the upper end surface of the positioning disc 8 to the lower end surface of the supporting bottom plate 5.

[0039] The bottom plate 2 is provided with a plurality of longitudinal installation holes 21 on both sides of the base 1, and bolts are arranged in the installation holes 21, so that the bottom plate 2 is fixedly connected in the screening incubator through the bolts.

[0040] Working principle: the structure is a screening and culturing device for phosphorus-accumulating bacteria used for biological phosphorus removal of sewage, and the top of the screening and culturing device is provided with the structure of the positioning disc 8, the screening frame 9, the radial rod 10 and the rotating seat 11.

[0041] Under normal circumstances, the circular culture dish arranged on the top of the supporting bottom plate 5 in the placing frame is rotated under the action of the rotating motor 15, the circular culture dish on the top is moved to the position directly below the through hole 81 of the positioning disc 8, and then the circular culture dish on the top is moved out of the top of the positioning disc 8 into the screening frame 9 through the upward movement of the limiting prism 17, so that the mechanical hand can grab the circular culture dish in the screening frame 9.

[0042] When the specified circular culture dish is not on the top, the column with the specified circular culture dish is also moved to the position directly below the through hole 81, and after the circular culture dish is moved into the screening frame 9, the rotating motor 12 is started, the circular culture dish is moved to the top of the positioning disc 8 based on the screening frame 9, and then the next circular culture dish is pushed into the next screening frame 9 by the limiting prism 17, and through the one-by-one pushing of the limiting prism 17 and the one-by-one movement of the screening frame 9, the specified circular culture dish is moved into the screening frame 9 directly above the through hole 81, so that the mechanical claw can be used for grabbing.

[0043] Moreover, the other circular culture dishes arranged on the positioning disc 8 can be moved one by one to the lifting disc 16, and then the lifting disc 16 is moved downward layer by layer, and then the circular culture dishes in the screening frame 9 are moved to the position directly above the through hole 81; and gradually the circular culture dishes are reset.

[0044] The embodiments are used to exemplarily illustrate the present application, but are not used to limit the present application. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the present application, and therefore the protection scope of the present application should be subject to the claims of the present application.

Claims

1. A screening and cultivation device for phosphorus-absorbing bacteria strains for biological phosphorus removal in wastewater, comprising a screening culture chamber, a screening culture placement rack inside the screening culture chamber, the screening culture placement rack comprising a longitudinally arranged "U"-shaped base (1), a rectangular base plate (2) fixedly connected to the lower end of the base (1), a central support column (3) fixedly connected to the middle of the base plate (2), the central support column (3) passing through the base (1) and fitted with a rotating seat (4) and an annular supporting base plate (5), the supporting base plate (5) being fixed to the upper end surface of the rotating seat (4), the rotating seat (4) being connected to the central support column (3) via bearings; characterized in that: The rotating seat (4) has several circular perforations (51) formed on the supporting base plate (5) around it. Several ring-shaped limiting rods (6) are fixedly connected to the supporting base plate (5) around the perforations (51). A ring-shaped top plate (7) is fixedly connected to the upper end of the limiting rod (6). Several feed holes (71) are formed on the outer ring of the top plate (7) and are directly opposite to the perforations (51). A circular positioning plate (8) is abutted on the upper surface of the top plate (7). The upper end of the central support column (3) extends out of the top plate (7) and is inserted and fixed on the positioning plate (8). A through hole (81) is formed on the rear side of the positioning plate (8) and is opposite to the feed hole (71) on the top plate (7). Several circular screening frames (9) are abutted on the upper surface of the outer ring of the positioning plate (8) and are opposite to the through hole (81). A spoke (10) is fixedly connected between adjacent screening frames (9). The inner end of the spoke (10) is fixedly connected to the T-shaped rotary seat (11). A rotary motor (12) is fixedly connected to the upper surface of the rotary seat (11). The shaft of the rotary motor (12) is inserted and fixed on the central support column (3). The rotary seat (11) is connected to the upper end of the central support column (3) through a bearing. A lifting plate (16) is inserted into the through hole (81) of the positioning plate (8). A limiting prism (17) is fixedly attached to the lower end face of the lifting plate (16). A vertical threaded hole is formed in the limiting prism (17). The lower end of the limiting prism (17) passes through the feed hole (71) of the top plate (7) and the through hole (51) of the supporting base plate (5) and is inserted into the base (1). A protective sleeve (19) opposite to the limiting prism (17) is fixedly attached to the lower end face of the rear side of the base plate (2). A lead screw (18) is inserted in the protective sleeve (19). The upper end of the lead screw (18) is screwed into the threaded hole of the limiting prism (17), and the lower end is fixedly connected to the shaft of the lifting motor (20) through a coupling. The lifting motor (20) is fixedly attached to the bottom of the protective sleeve (19).

2. The screening and cultivation device for phosphorus-absorbing bacteria for biological phosphorus removal in wastewater according to claim 1, characterized in that: The lower end of the rotating seat (4) is fitted with a gear ring (13), and the front side of the gear ring (13) is engaged with a gear (14); a rotary motor (15) is fixedly connected to the base (1), and the shaft of the rotary motor (15) extends out of the base (1) and is inserted and fixed in the gear (14). The lead screw (18) and the protective sleeve (19) are both located on the rear side of the gear ring (13), and the base plate (2) has clearance holes that are opposite to the lead screw (18) and the limiting prism (17).

3. The screening and cultivation device for phosphorus-absorbing bacteria strains for biological phosphorus removal in wastewater according to claim 1, characterized in that: The central axis of the central support column (3), the central axis of the rotating seat (4), the central axis of the supporting base plate (5), the central axis of the positioning plate (8), and the central axis of the rotating seat (11) are all on the same straight line. The perforations (51) on the screening frame (9) and the supporting base plate (5) are evenly distributed in a ring around the central axis of the central support column (3).

4. The screening and cultivation device for phosphorus-absorbing bacteria for biological phosphorus removal in wastewater according to claim 3, characterized in that: The diameter of the inner wall of the screening frame (9) is greater than the diameter of the through hole (51). The diameter of the inner wall of the screening frame (9) is equal to the diameter of the feed hole (71) on the top plate (7). The diameter of the feed hole (71) on the top plate (7) is equal to the diameter of the through hole (81) on the positioning plate (8).

5. The screening and cultivation device for phosphorus-absorbing bacteria strains for biological phosphorus removal in wastewater according to claim 3, characterized in that: At least three limiting rods (6) are provided around the perforation (51). The limiting rods (6) are evenly distributed in a ring around the central axis of the perforation (51). The central axis of the perforation (51) coincides with the central axis of the feed hole (71) on the top plate (7). The limiting stop (6) is a round rod, and the outer wall of the limiting stop (6) is tangent to the inner wall of the feed hole (71).

6. The screening and cultivation device for phosphorus-absorbing bacteria for biological phosphorus removal in wastewater according to claim 4, characterized in that: The diameter of the lifting plate (16) is smaller than the diameter of the through hole (51) on the supporting base plate (5); The screening frame (9) has three sets of outwardly protruding, arc-shaped clamping and clearance openings (91) formed on its frame wall; the clamping and clearance openings (91) are evenly distributed in a ring around the central axis of the screening frame (9).

7. The screening and cultivation device for phosphorus-absorbing bacteria for biological phosphorus removal in wastewater according to claim 1, characterized in that: The limiting prism (17) is a ring-shaped prism. Planar grooves are formed on the outer walls of the opposite sides of the limiting prism (17). The base (1) has a socket with the same horizontal cross section as the limiting prism (17). The limiting prism (17) is inserted into the socket of the base (1). The length of the protective sleeve (19) is greater than the distance from the upper end face of the positioning plate (8) to the lower end face of the supporting base plate (5).

8. The screening and cultivation device for phosphorus-absorbing bacteria for biological phosphorus removal in wastewater according to claim 1, characterized in that: The base plate (2) has several longitudinally distributed mounting holes (21) extending from the side walls of the base (1) on both sides.

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